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authormarha <marha@users.sourceforge.net>2011-01-29 19:45:53 +0000
committermarha <marha@users.sourceforge.net>2011-01-29 19:45:53 +0000
commitf04df7c7d4200343558dc9a14b6f48d10dedefcb (patch)
treea988fc1e4d433fbbbeb98915f611d5bf557465a9 /mesalib/src
parent1c4b85ef1eee929ccef4fb91f9f87f996b7b9e2d (diff)
parentcacf23d832a26e35851c9cc666304ac72cf8fe34 (diff)
downloadvcxsrv-f04df7c7d4200343558dc9a14b6f48d10dedefcb.tar.gz
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svn merge ^/branches/released .
Diffstat (limited to 'mesalib/src')
-rw-r--r--mesalib/src/glsl/glcpp/README87
-rw-r--r--mesalib/src/glsl/glcpp/glcpp-parse.c8432
-rw-r--r--mesalib/src/glsl/glcpp/glcpp-parse.y3780
-rw-r--r--mesalib/src/mapi/glapi/Makefile144
-rw-r--r--mesalib/src/mesa/main/extensions.c1830
-rw-r--r--mesalib/src/mesa/main/fbobject.c4973
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c2
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_bitmap.c4
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_drawpixels.c2
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_texture.c4054
-rw-r--r--mesalib/src/mesa/state_tracker/st_gen_mipmap.c1
-rw-r--r--mesalib/src/mesa/state_tracker/st_texture.c94
-rw-r--r--mesalib/src/mesa/state_tracker/st_texture.h456
13 files changed, 11978 insertions, 11881 deletions
diff --git a/mesalib/src/glsl/glcpp/README b/mesalib/src/glsl/glcpp/README
index 9cc00e927..735b27d44 100644
--- a/mesalib/src/glsl/glcpp/README
+++ b/mesalib/src/glsl/glcpp/README
@@ -1,55 +1,32 @@
-glcpp -- GLSL "C" preprocessor
-
-This is a simple preprocessor designed to provide the preprocessing
-needs of the GLSL language. The requirements for this preprocessor are
-specified in the GLSL 1.30 specification availble from:
-
-http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.30.10.pdf
-
-This specification is not precise on some semantics, (for example,
-#define and #if), defining these merely "as is standard for C++
-preprocessors". To fill in these details, I've been using a draft of
-the C99 standard as available from:
-
-http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
-
-Any downstream compiler accepting output from glcpp should be prepared
-to encounter and deal with the following preprocessor macros:
-
- #line
- #pragma
- #extension
-
-All other macros will be handles according to the GLSL specification
-and will not appear in the output.
-
-Known limitations
------------------
-The __LINE__ and __FILE__ macros are not yet supported.
-
-A file that ends with a function-like macro name as the last
-non-whitespace token will result in a parse error, (where it should be
-passed through as is).
-
-Known deviations from the specification
----------------------------------------
-As mentoned above, the GLSL specification (as of 1.30.10) is fairly
-vague on some aspects of the preprocessor, and we've been using C99 to
-fill in details. Here is a list of cases where we have deviated from
-the behavior specified in C99 to obtain better compatibility with
-other GLSL implementations:
-
- * Redefining a macro with a different value
-
- C89 says that a macro "may be redefined ... provided that the
- second definition [is equivalent]" (Section 3.8.3 Macro
- Replacement/constraints)
-
- C99 is even more explicit, saying tthat a macro "shall not be
- redefined by another #define preprocessing directive unless the
- second definition [is equivalent]" (Section 6.10.3 Macro
- Replacement/Constraints)
-
- In spite of this, glcpp emits a warning rather than an error for
- non-equivalent redefinition of macros since this matches the
- behavior of other, widely-used implementations.
+glcpp -- GLSL "C" preprocessor
+
+This is a simple preprocessor designed to provide the preprocessing
+needs of the GLSL language. The requirements for this preprocessor are
+specified in the GLSL 1.30 specification availble from:
+
+http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.30.10.pdf
+
+This specification is not precise on some semantics, (for example,
+#define and #if), defining these merely "as is standard for C++
+preprocessors". To fill in these details, I've been using a draft of
+the C99 standard as available from:
+
+http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
+
+Any downstream compiler accepting output from glcpp should be prepared
+to encounter and deal with the following preprocessor macros:
+
+ #line
+ #pragma
+ #extension
+
+All other macros will be handles according to the GLSL specification
+and will not appear in the output.
+
+Known limitations
+-----------------
+The __LINE__ and __FILE__ macros are not yet supported.
+
+A file that ends with a function-like macro name as the last
+non-whitespace token will result in a parse error, (where it should be
+passed through as is). \ No newline at end of file
diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.c b/mesalib/src/glsl/glcpp/glcpp-parse.c
index 2bf96e035..e46fc91e1 100644
--- a/mesalib/src/glsl/glcpp/glcpp-parse.c
+++ b/mesalib/src/glsl/glcpp/glcpp-parse.c
@@ -1,4216 +1,4216 @@
-/* A Bison parser, made by GNU Bison 2.4.3. */
-
-/* Skeleton implementation for Bison's Yacc-like parsers in C
-
- Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
- 2009, 2010 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-/* As a special exception, you may create a larger work that contains
- part or all of the Bison parser skeleton and distribute that work
- under terms of your choice, so long as that work isn't itself a
- parser generator using the skeleton or a modified version thereof
- as a parser skeleton. Alternatively, if you modify or redistribute
- the parser skeleton itself, you may (at your option) remove this
- special exception, which will cause the skeleton and the resulting
- Bison output files to be licensed under the GNU General Public
- License without this special exception.
-
- This special exception was added by the Free Software Foundation in
- version 2.2 of Bison. */
-
-/* C LALR(1) parser skeleton written by Richard Stallman, by
- simplifying the original so-called "semantic" parser. */
-
-/* All symbols defined below should begin with yy or YY, to avoid
- infringing on user name space. This should be done even for local
- variables, as they might otherwise be expanded by user macros.
- There are some unavoidable exceptions within include files to
- define necessary library symbols; they are noted "INFRINGES ON
- USER NAME SPACE" below. */
-
-/* Identify Bison output. */
-#define YYBISON 1
-
-/* Bison version. */
-#define YYBISON_VERSION "2.4.3"
-
-/* Skeleton name. */
-#define YYSKELETON_NAME "yacc.c"
-
-/* Pure parsers. */
-#define YYPURE 1
-
-/* Push parsers. */
-#define YYPUSH 0
-
-/* Pull parsers. */
-#define YYPULL 1
-
-/* Using locations. */
-#define YYLSP_NEEDED 1
-
-
-
-/* Copy the first part of user declarations. */
-
-/* Line 189 of yacc.c */
-#line 1 "glcpp/glcpp-parse.y"
-
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-#include <inttypes.h>
-
-#include "glcpp.h"
-#include "main/core.h" /* for struct gl_extensions */
-#include "main/mtypes.h" /* for gl_api enum */
-
-#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str)
-#define glcpp_printf(stream, fmt, args, ...) \
- stream = talloc_asprintf_append(stream, fmt, args)
-
-static void
-yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error);
-
-static void
-_define_object_macro (glcpp_parser_t *parser,
- YYLTYPE *loc,
- const char *macro,
- token_list_t *replacements);
-
-static void
-_define_function_macro (glcpp_parser_t *parser,
- YYLTYPE *loc,
- const char *macro,
- string_list_t *parameters,
- token_list_t *replacements);
-
-static string_list_t *
-_string_list_create (void *ctx);
-
-static void
-_string_list_append_item (string_list_t *list, const char *str);
-
-static int
-_string_list_contains (string_list_t *list, const char *member, int *index);
-
-static int
-_string_list_length (string_list_t *list);
-
-static int
-_string_list_equal (string_list_t *a, string_list_t *b);
-
-static argument_list_t *
-_argument_list_create (void *ctx);
-
-static void
-_argument_list_append (argument_list_t *list, token_list_t *argument);
-
-static int
-_argument_list_length (argument_list_t *list);
-
-static token_list_t *
-_argument_list_member_at (argument_list_t *list, int index);
-
-/* Note: This function talloc_steal()s the str pointer. */
-static token_t *
-_token_create_str (void *ctx, int type, char *str);
-
-static token_t *
-_token_create_ival (void *ctx, int type, int ival);
-
-static token_list_t *
-_token_list_create (void *ctx);
-
-/* Note: This function calls talloc_steal on token. */
-static void
-_token_list_append (token_list_t *list, token_t *token);
-
-static void
-_token_list_append_list (token_list_t *list, token_list_t *tail);
-
-static int
-_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b);
-
-static active_list_t *
-_active_list_push (active_list_t *list,
- const char *identifier,
- token_node_t *marker);
-
-static active_list_t *
-_active_list_pop (active_list_t *list);
-
-int
-_active_list_contains (active_list_t *list, const char *identifier);
-
-static void
-_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list);
-
-static void
-_glcpp_parser_expand_token_list (glcpp_parser_t *parser,
- token_list_t *list);
-
-static void
-_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser,
- token_list_t *list);
-
-static void
-_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc,
- int condition);
-
-static void
-_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc,
- const char *type, int condition);
-
-static void
-_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc);
-
-#define yylex glcpp_parser_lex
-
-static int
-glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser);
-
-static void
-glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list);
-
-static void
-add_builtin_define(glcpp_parser_t *parser, const char *name, int value);
-
-
-
-/* Line 189 of yacc.c */
-#line 220 "glcpp/glcpp-parse.c"
-
-/* Enabling traces. */
-#ifndef YYDEBUG
-# define YYDEBUG 0
-#endif
-
-/* Enabling verbose error messages. */
-#ifdef YYERROR_VERBOSE
-# undef YYERROR_VERBOSE
-# define YYERROR_VERBOSE 1
-#else
-# define YYERROR_VERBOSE 1
-#endif
-
-/* Enabling the token table. */
-#ifndef YYTOKEN_TABLE
-# define YYTOKEN_TABLE 0
-#endif
-
-
-/* Tokens. */
-#ifndef YYTOKENTYPE
-# define YYTOKENTYPE
- /* Put the tokens into the symbol table, so that GDB and other debuggers
- know about them. */
- enum yytokentype {
- COMMA_FINAL = 258,
- DEFINED = 259,
- ELIF_EXPANDED = 260,
- HASH = 261,
- HASH_DEFINE_FUNC = 262,
- HASH_DEFINE_OBJ = 263,
- HASH_ELIF = 264,
- HASH_ELSE = 265,
- HASH_ENDIF = 266,
- HASH_IF = 267,
- HASH_IFDEF = 268,
- HASH_IFNDEF = 269,
- HASH_UNDEF = 270,
- HASH_VERSION = 271,
- IDENTIFIER = 272,
- IF_EXPANDED = 273,
- INTEGER = 274,
- INTEGER_STRING = 275,
- NEWLINE = 276,
- OTHER = 277,
- PLACEHOLDER = 278,
- SPACE = 279,
- PASTE = 280,
- OR = 281,
- AND = 282,
- NOT_EQUAL = 283,
- EQUAL = 284,
- GREATER_OR_EQUAL = 285,
- LESS_OR_EQUAL = 286,
- RIGHT_SHIFT = 287,
- LEFT_SHIFT = 288,
- UNARY = 289
- };
-#endif
-
-
-
-#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
-
-# define yystype YYSTYPE /* obsolescent; will be withdrawn */
-# define YYSTYPE_IS_DECLARED 1
-#endif
-
-#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
-typedef struct YYLTYPE
-{
- int first_line;
- int first_column;
- int last_line;
- int last_column;
-} YYLTYPE;
-# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
-# define YYLTYPE_IS_DECLARED 1
-# define YYLTYPE_IS_TRIVIAL 1
-#endif
-
-
-/* Copy the second part of user declarations. */
-
-
-/* Line 264 of yacc.c */
-#line 308 "glcpp/glcpp-parse.c"
-
-#ifdef short
-# undef short
-#endif
-
-#ifdef YYTYPE_UINT8
-typedef YYTYPE_UINT8 yytype_uint8;
-#else
-typedef unsigned char yytype_uint8;
-#endif
-
-#ifdef YYTYPE_INT8
-typedef YYTYPE_INT8 yytype_int8;
-#elif (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-typedef signed char yytype_int8;
-#else
-typedef short int yytype_int8;
-#endif
-
-#ifdef YYTYPE_UINT16
-typedef YYTYPE_UINT16 yytype_uint16;
-#else
-typedef unsigned short int yytype_uint16;
-#endif
-
-#ifdef YYTYPE_INT16
-typedef YYTYPE_INT16 yytype_int16;
-#else
-typedef short int yytype_int16;
-#endif
-
-#ifndef YYSIZE_T
-# ifdef __SIZE_TYPE__
-# define YYSIZE_T __SIZE_TYPE__
-# elif defined size_t
-# define YYSIZE_T size_t
-# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
-# define YYSIZE_T size_t
-# else
-# define YYSIZE_T unsigned int
-# endif
-#endif
-
-#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
-
-#ifndef YY_
-# if defined YYENABLE_NLS && YYENABLE_NLS
-# if ENABLE_NLS
-# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
-# define YY_(msgid) dgettext ("bison-runtime", msgid)
-# endif
-# endif
-# ifndef YY_
-# define YY_(msgid) msgid
-# endif
-#endif
-
-/* Suppress unused-variable warnings by "using" E. */
-#if ! defined lint || defined __GNUC__
-# define YYUSE(e) ((void) (e))
-#else
-# define YYUSE(e) /* empty */
-#endif
-
-/* Identity function, used to suppress warnings about constant conditions. */
-#ifndef lint
-# define YYID(n) (n)
-#else
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static int
-YYID (int yyi)
-#else
-static int
-YYID (yyi)
- int yyi;
-#endif
-{
- return yyi;
-}
-#endif
-
-#if ! defined yyoverflow || YYERROR_VERBOSE
-
-/* The parser invokes alloca or malloc; define the necessary symbols. */
-
-# ifdef YYSTACK_USE_ALLOCA
-# if YYSTACK_USE_ALLOCA
-# ifdef __GNUC__
-# define YYSTACK_ALLOC __builtin_alloca
-# elif defined __BUILTIN_VA_ARG_INCR
-# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
-# elif defined _AIX
-# define YYSTACK_ALLOC __alloca
-# elif defined _MSC_VER
-# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
-# define alloca _alloca
-# else
-# define YYSTACK_ALLOC alloca
-# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
-# ifndef _STDLIB_H
-# define _STDLIB_H 1
-# endif
-# endif
-# endif
-# endif
-# endif
-
-# ifdef YYSTACK_ALLOC
- /* Pacify GCC's `empty if-body' warning. */
-# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
-# ifndef YYSTACK_ALLOC_MAXIMUM
- /* The OS might guarantee only one guard page at the bottom of the stack,
- and a page size can be as small as 4096 bytes. So we cannot safely
- invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
- to allow for a few compiler-allocated temporary stack slots. */
-# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
-# endif
-# else
-# define YYSTACK_ALLOC YYMALLOC
-# define YYSTACK_FREE YYFREE
-# ifndef YYSTACK_ALLOC_MAXIMUM
-# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
-# endif
-# if (defined __cplusplus && ! defined _STDLIB_H \
- && ! ((defined YYMALLOC || defined malloc) \
- && (defined YYFREE || defined free)))
-# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
-# ifndef _STDLIB_H
-# define _STDLIB_H 1
-# endif
-# endif
-# ifndef YYMALLOC
-# define YYMALLOC malloc
-# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
-# endif
-# endif
-# ifndef YYFREE
-# define YYFREE free
-# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-void free (void *); /* INFRINGES ON USER NAME SPACE */
-# endif
-# endif
-# endif
-#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
-
-
-#if (! defined yyoverflow \
- && (! defined __cplusplus \
- || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
- && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
-
-/* A type that is properly aligned for any stack member. */
-union yyalloc
-{
- yytype_int16 yyss_alloc;
- YYSTYPE yyvs_alloc;
- YYLTYPE yyls_alloc;
-};
-
-/* The size of the maximum gap between one aligned stack and the next. */
-# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
-
-/* The size of an array large to enough to hold all stacks, each with
- N elements. */
-# define YYSTACK_BYTES(N) \
- ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
- + 2 * YYSTACK_GAP_MAXIMUM)
-
-/* Copy COUNT objects from FROM to TO. The source and destination do
- not overlap. */
-# ifndef YYCOPY
-# if defined __GNUC__ && 1 < __GNUC__
-# define YYCOPY(To, From, Count) \
- __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
-# else
-# define YYCOPY(To, From, Count) \
- do \
- { \
- YYSIZE_T yyi; \
- for (yyi = 0; yyi < (Count); yyi++) \
- (To)[yyi] = (From)[yyi]; \
- } \
- while (YYID (0))
-# endif
-# endif
-
-/* Relocate STACK from its old location to the new one. The
- local variables YYSIZE and YYSTACKSIZE give the old and new number of
- elements in the stack, and YYPTR gives the new location of the
- stack. Advance YYPTR to a properly aligned location for the next
- stack. */
-# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
- do \
- { \
- YYSIZE_T yynewbytes; \
- YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
- Stack = &yyptr->Stack_alloc; \
- yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
- yyptr += yynewbytes / sizeof (*yyptr); \
- } \
- while (YYID (0))
-
-#endif
-
-/* YYFINAL -- State number of the termination state. */
-#define YYFINAL 2
-/* YYLAST -- Last index in YYTABLE. */
-#define YYLAST 606
-
-/* YYNTOKENS -- Number of terminals. */
-#define YYNTOKENS 57
-/* YYNNTS -- Number of nonterminals. */
-#define YYNNTS 17
-/* YYNRULES -- Number of rules. */
-#define YYNRULES 101
-/* YYNRULES -- Number of states. */
-#define YYNSTATES 162
-
-/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
-#define YYUNDEFTOK 2
-#define YYMAXUTOK 289
-
-#define YYTRANSLATE(YYX) \
- ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
-
-/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
-static const yytype_uint8 yytranslate[] =
-{
- 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 47, 2, 2, 2, 43, 30, 2,
- 45, 46, 41, 39, 49, 40, 54, 42, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 55,
- 33, 56, 34, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 50, 2, 51, 29, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 52, 28, 53, 48, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
- 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
- 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 26, 27, 31, 32, 35, 36, 37, 38, 44
-};
-
-#if YYDEBUG
-/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
- YYRHS. */
-static const yytype_uint16 yyprhs[] =
-{
- 0, 0, 3, 4, 7, 9, 11, 13, 16, 20,
- 24, 29, 36, 44, 48, 52, 55, 60, 65, 69,
- 72, 75, 78, 82, 85, 87, 89, 91, 95, 99,
- 103, 107, 111, 115, 119, 123, 127, 131, 135, 139,
- 143, 147, 151, 155, 159, 163, 166, 169, 172, 175,
- 179, 181, 185, 187, 190, 193, 194, 196, 197, 199,
- 202, 207, 209, 211, 214, 216, 219, 221, 223, 225,
- 227, 229, 231, 233, 235, 237, 239, 241, 243, 245,
- 247, 249, 251, 253, 255, 257, 259, 261, 263, 265,
- 267, 269, 271, 273, 275, 277, 279, 281, 283, 285,
- 287, 289
-};
-
-/* YYRHS -- A `-1'-separated list of the rules' RHS. */
-static const yytype_int8 yyrhs[] =
-{
- 58, 0, -1, -1, 58, 59, -1, 61, -1, 65,
- -1, 60, -1, 6, 66, -1, 18, 63, 21, -1,
- 5, 63, 21, -1, 8, 17, 67, 21, -1, 7,
- 17, 45, 46, 67, 21, -1, 7, 17, 45, 64,
- 46, 67, 21, -1, 15, 17, 21, -1, 12, 70,
- 21, -1, 12, 21, -1, 13, 17, 68, 21, -1,
- 14, 17, 68, 21, -1, 9, 70, 21, -1, 9,
- 21, -1, 10, 21, -1, 11, 21, -1, 16, 62,
- 21, -1, 6, 21, -1, 20, -1, 19, -1, 62,
- -1, 63, 26, 63, -1, 63, 27, 63, -1, 63,
- 28, 63, -1, 63, 29, 63, -1, 63, 30, 63,
- -1, 63, 31, 63, -1, 63, 32, 63, -1, 63,
- 35, 63, -1, 63, 36, 63, -1, 63, 34, 63,
- -1, 63, 33, 63, -1, 63, 37, 63, -1, 63,
- 38, 63, -1, 63, 40, 63, -1, 63, 39, 63,
- -1, 63, 43, 63, -1, 63, 42, 63, -1, 63,
- 41, 63, -1, 47, 63, -1, 48, 63, -1, 40,
- 63, -1, 39, 63, -1, 45, 63, 46, -1, 17,
- -1, 64, 49, 17, -1, 21, -1, 71, 21, -1,
- 71, 21, -1, -1, 71, -1, -1, 71, -1, 4,
- 17, -1, 4, 45, 17, 46, -1, 72, -1, 69,
- -1, 70, 69, -1, 72, -1, 71, 72, -1, 17,
- -1, 20, -1, 73, -1, 22, -1, 24, -1, 50,
- -1, 51, -1, 45, -1, 46, -1, 52, -1, 53,
- -1, 54, -1, 30, -1, 41, -1, 39, -1, 40,
- -1, 48, -1, 47, -1, 42, -1, 43, -1, 38,
- -1, 37, -1, 33, -1, 34, -1, 36, -1, 35,
- -1, 32, -1, 31, -1, 29, -1, 28, -1, 27,
- -1, 26, -1, 55, -1, 49, -1, 56, -1, 25,
- -1
-};
-
-/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
-static const yytype_uint16 yyrline[] =
-{
- 0, 185, 185, 187, 191, 194, 199, 200, 204, 207,
- 213, 216, 219, 222, 230, 249, 259, 264, 269, 288,
- 303, 306, 309, 330, 334, 343, 348, 349, 352, 355,
- 358, 361, 364, 367, 370, 373, 376, 379, 382, 385,
- 388, 391, 394, 397, 405, 408, 411, 414, 417, 420,
- 426, 431, 439, 440, 444, 450, 451, 454, 456, 463,
- 467, 471, 476, 480, 487, 492, 499, 503, 507, 511,
- 515, 522, 523, 524, 525, 526, 527, 528, 529, 530,
- 531, 532, 533, 534, 535, 536, 537, 538, 539, 540,
- 541, 542, 543, 544, 545, 546, 547, 548, 549, 550,
- 551, 552
-};
-#endif
-
-#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
-/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
- First, the terminals, then, starting at YYNTOKENS, nonterminals. */
-static const char *const yytname[] =
-{
- "$end", "error", "$undefined", "COMMA_FINAL", "DEFINED",
- "ELIF_EXPANDED", "HASH", "HASH_DEFINE_FUNC", "HASH_DEFINE_OBJ",
- "HASH_ELIF", "HASH_ELSE", "HASH_ENDIF", "HASH_IF", "HASH_IFDEF",
- "HASH_IFNDEF", "HASH_UNDEF", "HASH_VERSION", "IDENTIFIER", "IF_EXPANDED",
- "INTEGER", "INTEGER_STRING", "NEWLINE", "OTHER", "PLACEHOLDER", "SPACE",
- "PASTE", "OR", "AND", "'|'", "'^'", "'&'", "NOT_EQUAL", "EQUAL", "'<'",
- "'>'", "GREATER_OR_EQUAL", "LESS_OR_EQUAL", "RIGHT_SHIFT", "LEFT_SHIFT",
- "'+'", "'-'", "'*'", "'/'", "'%'", "UNARY", "'('", "')'", "'!'", "'~'",
- "','", "'['", "']'", "'{'", "'}'", "'.'", "';'", "'='", "$accept",
- "input", "line", "expanded_line", "control_line", "integer_constant",
- "expression", "identifier_list", "text_line", "non_directive",
- "replacement_list", "junk", "conditional_token", "conditional_tokens",
- "pp_tokens", "preprocessing_token", "operator", 0
-};
-#endif
-
-# ifdef YYPRINT
-/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
- token YYLEX-NUM. */
-static const yytype_uint16 yytoknum[] =
-{
- 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
- 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
- 275, 276, 277, 278, 279, 280, 281, 282, 124, 94,
- 38, 283, 284, 60, 62, 285, 286, 287, 288, 43,
- 45, 42, 47, 37, 289, 40, 41, 33, 126, 44,
- 91, 93, 123, 125, 46, 59, 61
-};
-# endif
-
-/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
-static const yytype_uint8 yyr1[] =
-{
- 0, 57, 58, 58, 59, 59, 59, 59, 60, 60,
- 61, 61, 61, 61, 61, 61, 61, 61, 61, 61,
- 61, 61, 61, 61, 62, 62, 63, 63, 63, 63,
- 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
- 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
- 64, 64, 65, 65, 66, 67, 67, 68, 68, 69,
- 69, 69, 70, 70, 71, 71, 72, 72, 72, 72,
- 72, 73, 73, 73, 73, 73, 73, 73, 73, 73,
- 73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
- 73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
- 73, 73
-};
-
-/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
-static const yytype_uint8 yyr2[] =
-{
- 0, 2, 0, 2, 1, 1, 1, 2, 3, 3,
- 4, 6, 7, 3, 3, 2, 4, 4, 3, 2,
- 2, 2, 3, 2, 1, 1, 1, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 2, 2, 2, 2, 3,
- 1, 3, 1, 2, 2, 0, 1, 0, 1, 2,
- 4, 1, 1, 2, 1, 2, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1
-};
-
-/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
- STATE-NUM when YYTABLE doesn't specify something else to do. Zero
- means the default is an error. */
-static const yytype_uint8 yydefact[] =
-{
- 2, 0, 1, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 66, 0, 67, 52, 69,
- 70, 101, 97, 96, 95, 94, 78, 93, 92, 88,
- 89, 91, 90, 87, 86, 80, 81, 79, 84, 85,
- 73, 74, 83, 82, 99, 71, 72, 75, 76, 77,
- 98, 100, 3, 6, 4, 5, 0, 64, 68, 25,
- 24, 0, 0, 0, 0, 0, 26, 0, 23, 7,
- 0, 0, 55, 0, 19, 62, 0, 61, 20, 21,
- 15, 0, 57, 57, 0, 0, 0, 53, 65, 48,
- 47, 0, 45, 46, 9, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 54, 0, 0, 56, 59, 0, 18,
- 63, 14, 0, 58, 0, 13, 22, 8, 49, 27,
- 28, 29, 30, 31, 32, 33, 37, 36, 34, 35,
- 38, 39, 41, 40, 44, 43, 42, 50, 55, 0,
- 10, 0, 16, 17, 0, 55, 0, 60, 11, 0,
- 51, 12
-};
-
-/* YYDEFGOTO[NTERM-NUM]. */
-static const yytype_int16 yydefgoto[] =
-{
- -1, 1, 52, 53, 54, 66, 67, 149, 55, 69,
- 115, 122, 75, 76, 116, 57, 58
-};
-
-/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
- STATE-NUM. */
-#define YYPACT_NINF -147
-static const yytype_int16 yypact[] =
-{
- -147, 112, -147, 28, -10, 55, 62, 152, -15, 59,
- 192, 85, 86, 87, 51, -147, 28, -147, -147, -147,
- -147, -147, -147, -147, -147, -147, -147, -147, -147, -147,
- -147, -147, -147, -147, -147, -147, -147, -147, -147, -147,
- -147, -147, -147, -147, -147, -147, -147, -147, -147, -147,
- -147, -147, -147, -147, -147, -147, 312, -147, -147, -147,
- -147, 28, 28, 28, 28, 28, -147, 428, -147, -147,
- 352, 63, 392, 17, -147, -147, 232, -147, -147, -147,
- -147, 272, 392, 392, 84, 89, 451, -147, -147, -147,
- -147, 469, -147, -147, -147, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, -147, 60, 90, 392, -147, 96, -147,
- -147, -147, 93, 392, 94, -147, -147, -147, -147, 489,
- 505, 520, 534, 547, 558, 558, 18, 18, 18, 18,
- 563, 563, 23, 23, -147, -147, -147, -147, 392, 32,
- -147, 61, -147, -147, 110, 392, 118, -147, -147, 149,
- -147, -147
-};
-
-/* YYPGOTO[NTERM-NUM]. */
-static const yytype_int16 yypgoto[] =
-{
- -147, -147, -147, -147, -147, 157, -11, -147, -147, -147,
- -146, 92, -68, 200, 0, -7, -147
-};
-
-/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
- positive, shift that token. If negative, reduce the rule which
- number is the opposite. If zero, do what YYDEFACT says.
- If YYTABLE_NINF, syntax error. */
-#define YYTABLE_NINF -1
-static const yytype_uint8 yytable[] =
-{
- 77, 56, 154, 77, 70, 86, 78, 15, 120, 159,
- 17, 68, 19, 120, 20, 21, 22, 23, 24, 25,
- 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 117, 40, 41, 42, 43, 44,
- 45, 46, 47, 48, 49, 50, 51, 59, 60, 88,
- 89, 90, 91, 92, 93, 106, 107, 108, 109, 110,
- 111, 112, 118, 88, 110, 111, 112, 61, 62, 77,
- 59, 60, 71, 63, 77, 64, 65, 147, 155, 72,
- 79, 156, 123, 123, 129, 130, 131, 132, 133, 134,
- 135, 136, 137, 138, 139, 140, 141, 142, 143, 144,
- 145, 146, 82, 83, 84, 125, 148, 157, 114, 88,
- 126, 150, 2, 151, 152, 153, 88, 3, 4, 5,
- 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 158, 17, 18, 19, 160, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 39, 73, 40, 41, 42,
- 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
- 161, 85, 17, 74, 19, 124, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 39, 73, 40, 41, 42,
- 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
- 81, 0, 17, 80, 19, 0, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 39, 73, 40, 41, 42,
- 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
- 0, 0, 17, 119, 19, 0, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 39, 73, 40, 41, 42,
- 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
- 0, 0, 17, 121, 19, 0, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 39, 0, 40, 41, 42,
- 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
- 0, 0, 17, 87, 19, 0, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 39, 0, 40, 41, 42,
- 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
- 0, 0, 17, 113, 19, 0, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 39, 0, 40, 41, 42,
- 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
- 0, 0, 17, 0, 19, 0, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 39, 0, 40, 41, 42,
- 43, 44, 45, 46, 47, 48, 49, 50, 51, 94,
- 0, 0, 0, 0, 95, 96, 97, 98, 99, 100,
- 101, 102, 103, 104, 105, 106, 107, 108, 109, 110,
- 111, 112, 127, 0, 0, 0, 0, 95, 96, 97,
- 98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
- 108, 109, 110, 111, 112, 95, 96, 97, 98, 99,
- 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
- 110, 111, 112, 0, 0, 128, 96, 97, 98, 99,
- 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
- 110, 111, 112, 97, 98, 99, 100, 101, 102, 103,
- 104, 105, 106, 107, 108, 109, 110, 111, 112, 98,
- 99, 100, 101, 102, 103, 104, 105, 106, 107, 108,
- 109, 110, 111, 112, 99, 100, 101, 102, 103, 104,
- 105, 106, 107, 108, 109, 110, 111, 112, 100, 101,
- 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
- 112, 102, 103, 104, 105, 106, 107, 108, 109, 110,
- 111, 112, 108, 109, 110, 111, 112
-};
-
-static const yytype_int16 yycheck[] =
-{
- 7, 1, 148, 10, 4, 16, 21, 17, 76, 155,
- 20, 21, 22, 81, 24, 25, 26, 27, 28, 29,
- 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
- 40, 41, 42, 43, 17, 45, 46, 47, 48, 49,
- 50, 51, 52, 53, 54, 55, 56, 19, 20, 56,
- 61, 62, 63, 64, 65, 37, 38, 39, 40, 41,
- 42, 43, 45, 70, 41, 42, 43, 39, 40, 76,
- 19, 20, 17, 45, 81, 47, 48, 17, 46, 17,
- 21, 49, 82, 83, 95, 96, 97, 98, 99, 100,
- 101, 102, 103, 104, 105, 106, 107, 108, 109, 110,
- 111, 112, 17, 17, 17, 21, 46, 46, 45, 116,
- 21, 21, 0, 17, 21, 21, 123, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
- 18, 21, 20, 21, 22, 17, 24, 25, 26, 27,
- 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, 4, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
- 21, 14, 20, 21, 22, 83, 24, 25, 26, 27,
- 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, 4, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
- 10, -1, 20, 21, 22, -1, 24, 25, 26, 27,
- 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, 4, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
- -1, -1, 20, 21, 22, -1, 24, 25, 26, 27,
- 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, 4, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
- -1, -1, 20, 21, 22, -1, 24, 25, 26, 27,
- 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, -1, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
- -1, -1, 20, 21, 22, -1, 24, 25, 26, 27,
- 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, -1, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
- -1, -1, 20, 21, 22, -1, 24, 25, 26, 27,
- 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, -1, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
- -1, -1, 20, -1, 22, -1, 24, 25, 26, 27,
- 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
- 38, 39, 40, 41, 42, 43, -1, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55, 56, 21,
- -1, -1, -1, -1, 26, 27, 28, 29, 30, 31,
- 32, 33, 34, 35, 36, 37, 38, 39, 40, 41,
- 42, 43, 21, -1, -1, -1, -1, 26, 27, 28,
- 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
- 39, 40, 41, 42, 43, 26, 27, 28, 29, 30,
- 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
- 41, 42, 43, -1, -1, 46, 27, 28, 29, 30,
- 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
- 41, 42, 43, 28, 29, 30, 31, 32, 33, 34,
- 35, 36, 37, 38, 39, 40, 41, 42, 43, 29,
- 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
- 40, 41, 42, 43, 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 40, 41, 42, 43, 31, 32,
- 33, 34, 35, 36, 37, 38, 39, 40, 41, 42,
- 43, 33, 34, 35, 36, 37, 38, 39, 40, 41,
- 42, 43, 39, 40, 41, 42, 43
-};
-
-/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
- symbol of state STATE-NUM. */
-static const yytype_uint8 yystos[] =
-{
- 0, 58, 0, 5, 6, 7, 8, 9, 10, 11,
- 12, 13, 14, 15, 16, 17, 18, 20, 21, 22,
- 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
- 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
- 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,
- 55, 56, 59, 60, 61, 65, 71, 72, 73, 19,
- 20, 39, 40, 45, 47, 48, 62, 63, 21, 66,
- 71, 17, 17, 4, 21, 69, 70, 72, 21, 21,
- 21, 70, 17, 17, 17, 62, 63, 21, 72, 63,
- 63, 63, 63, 63, 21, 26, 27, 28, 29, 30,
- 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
- 41, 42, 43, 21, 45, 67, 71, 17, 45, 21,
- 69, 21, 68, 71, 68, 21, 21, 21, 46, 63,
- 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
- 63, 63, 63, 63, 63, 63, 63, 17, 46, 64,
- 21, 17, 21, 21, 67, 46, 49, 46, 21, 67,
- 17, 21
-};
-
-#define yyerrok (yyerrstatus = 0)
-#define yyclearin (yychar = YYEMPTY)
-#define YYEMPTY (-2)
-#define YYEOF 0
-
-#define YYACCEPT goto yyacceptlab
-#define YYABORT goto yyabortlab
-#define YYERROR goto yyerrorlab
-
-
-/* Like YYERROR except do call yyerror. This remains here temporarily
- to ease the transition to the new meaning of YYERROR, for GCC.
- Once GCC version 2 has supplanted version 1, this can go. However,
- YYFAIL appears to be in use. Nevertheless, it is formally deprecated
- in Bison 2.4.2's NEWS entry, where a plan to phase it out is
- discussed. */
-
-#define YYFAIL goto yyerrlab
-#if defined YYFAIL
- /* This is here to suppress warnings from the GCC cpp's
- -Wunused-macros. Normally we don't worry about that warning, but
- some users do, and we want to make it easy for users to remove
- YYFAIL uses, which will produce warnings from Bison 2.5. */
-#endif
-
-#define YYRECOVERING() (!!yyerrstatus)
-
-#define YYBACKUP(Token, Value) \
-do \
- if (yychar == YYEMPTY && yylen == 1) \
- { \
- yychar = (Token); \
- yylval = (Value); \
- yytoken = YYTRANSLATE (yychar); \
- YYPOPSTACK (1); \
- goto yybackup; \
- } \
- else \
- { \
- yyerror (&yylloc, parser, YY_("syntax error: cannot back up")); \
- YYERROR; \
- } \
-while (YYID (0))
-
-
-#define YYTERROR 1
-#define YYERRCODE 256
-
-
-/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
- If N is 0, then set CURRENT to the empty location which ends
- the previous symbol: RHS[0] (always defined). */
-
-#define YYRHSLOC(Rhs, K) ((Rhs)[K])
-#ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N) \
- do \
- if (YYID (N)) \
- { \
- (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
- (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
- (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
- (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
- } \
- else \
- { \
- (Current).first_line = (Current).last_line = \
- YYRHSLOC (Rhs, 0).last_line; \
- (Current).first_column = (Current).last_column = \
- YYRHSLOC (Rhs, 0).last_column; \
- } \
- while (YYID (0))
-#endif
-
-
-/* YY_LOCATION_PRINT -- Print the location on the stream.
- This macro was not mandated originally: define only if we know
- we won't break user code: when these are the locations we know. */
-
-#ifndef YY_LOCATION_PRINT
-# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
-# define YY_LOCATION_PRINT(File, Loc) \
- fprintf (File, "%d.%d-%d.%d", \
- (Loc).first_line, (Loc).first_column, \
- (Loc).last_line, (Loc).last_column)
-# else
-# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
-# endif
-#endif
-
-
-/* YYLEX -- calling `yylex' with the right arguments. */
-
-#ifdef YYLEX_PARAM
-# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
-#else
-# define YYLEX yylex (&yylval, &yylloc, parser)
-#endif
-
-/* Enable debugging if requested. */
-#if YYDEBUG
-
-# ifndef YYFPRINTF
-# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
-# define YYFPRINTF fprintf
-# endif
-
-# define YYDPRINTF(Args) \
-do { \
- if (yydebug) \
- YYFPRINTF Args; \
-} while (YYID (0))
-
-# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
-do { \
- if (yydebug) \
- { \
- YYFPRINTF (stderr, "%s ", Title); \
- yy_symbol_print (stderr, \
- Type, Value, Location, parser); \
- YYFPRINTF (stderr, "\n"); \
- } \
-} while (YYID (0))
-
-
-/*--------------------------------.
-| Print this symbol on YYOUTPUT. |
-`--------------------------------*/
-
-/*ARGSUSED*/
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static void
-yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser)
-#else
-static void
-yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser)
- FILE *yyoutput;
- int yytype;
- YYSTYPE const * const yyvaluep;
- YYLTYPE const * const yylocationp;
- glcpp_parser_t *parser;
-#endif
-{
- if (!yyvaluep)
- return;
- YYUSE (yylocationp);
- YYUSE (parser);
-# ifdef YYPRINT
- if (yytype < YYNTOKENS)
- YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
-# else
- YYUSE (yyoutput);
-# endif
- switch (yytype)
- {
- default:
- break;
- }
-}
-
-
-/*--------------------------------.
-| Print this symbol on YYOUTPUT. |
-`--------------------------------*/
-
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static void
-yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser)
-#else
-static void
-yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp, parser)
- FILE *yyoutput;
- int yytype;
- YYSTYPE const * const yyvaluep;
- YYLTYPE const * const yylocationp;
- glcpp_parser_t *parser;
-#endif
-{
- if (yytype < YYNTOKENS)
- YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
- else
- YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
-
- YY_LOCATION_PRINT (yyoutput, *yylocationp);
- YYFPRINTF (yyoutput, ": ");
- yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser);
- YYFPRINTF (yyoutput, ")");
-}
-
-/*------------------------------------------------------------------.
-| yy_stack_print -- Print the state stack from its BOTTOM up to its |
-| TOP (included). |
-`------------------------------------------------------------------*/
-
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static void
-yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
-#else
-static void
-yy_stack_print (yybottom, yytop)
- yytype_int16 *yybottom;
- yytype_int16 *yytop;
-#endif
-{
- YYFPRINTF (stderr, "Stack now");
- for (; yybottom <= yytop; yybottom++)
- {
- int yybot = *yybottom;
- YYFPRINTF (stderr, " %d", yybot);
- }
- YYFPRINTF (stderr, "\n");
-}
-
-# define YY_STACK_PRINT(Bottom, Top) \
-do { \
- if (yydebug) \
- yy_stack_print ((Bottom), (Top)); \
-} while (YYID (0))
-
-
-/*------------------------------------------------.
-| Report that the YYRULE is going to be reduced. |
-`------------------------------------------------*/
-
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static void
-yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule, glcpp_parser_t *parser)
-#else
-static void
-yy_reduce_print (yyvsp, yylsp, yyrule, parser)
- YYSTYPE *yyvsp;
- YYLTYPE *yylsp;
- int yyrule;
- glcpp_parser_t *parser;
-#endif
-{
- int yynrhs = yyr2[yyrule];
- int yyi;
- unsigned long int yylno = yyrline[yyrule];
- YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
- yyrule - 1, yylno);
- /* The symbols being reduced. */
- for (yyi = 0; yyi < yynrhs; yyi++)
- {
- YYFPRINTF (stderr, " $%d = ", yyi + 1);
- yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
- &(yyvsp[(yyi + 1) - (yynrhs)])
- , &(yylsp[(yyi + 1) - (yynrhs)]) , parser);
- YYFPRINTF (stderr, "\n");
- }
-}
-
-# define YY_REDUCE_PRINT(Rule) \
-do { \
- if (yydebug) \
- yy_reduce_print (yyvsp, yylsp, Rule, parser); \
-} while (YYID (0))
-
-/* Nonzero means print parse trace. It is left uninitialized so that
- multiple parsers can coexist. */
-int yydebug;
-#else /* !YYDEBUG */
-# define YYDPRINTF(Args)
-# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
-# define YY_STACK_PRINT(Bottom, Top)
-# define YY_REDUCE_PRINT(Rule)
-#endif /* !YYDEBUG */
-
-
-/* YYINITDEPTH -- initial size of the parser's stacks. */
-#ifndef YYINITDEPTH
-# define YYINITDEPTH 200
-#endif
-
-/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
- if the built-in stack extension method is used).
-
- Do not make this value too large; the results are undefined if
- YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
- evaluated with infinite-precision integer arithmetic. */
-
-#ifndef YYMAXDEPTH
-# define YYMAXDEPTH 10000
-#endif
-
-
-
-#if YYERROR_VERBOSE
-
-# ifndef yystrlen
-# if defined __GLIBC__ && defined _STRING_H
-# define yystrlen strlen
-# else
-/* Return the length of YYSTR. */
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static YYSIZE_T
-yystrlen (const char *yystr)
-#else
-static YYSIZE_T
-yystrlen (yystr)
- const char *yystr;
-#endif
-{
- YYSIZE_T yylen;
- for (yylen = 0; yystr[yylen]; yylen++)
- continue;
- return yylen;
-}
-# endif
-# endif
-
-# ifndef yystpcpy
-# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
-# define yystpcpy stpcpy
-# else
-/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
- YYDEST. */
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static char *
-yystpcpy (char *yydest, const char *yysrc)
-#else
-static char *
-yystpcpy (yydest, yysrc)
- char *yydest;
- const char *yysrc;
-#endif
-{
- char *yyd = yydest;
- const char *yys = yysrc;
-
- while ((*yyd++ = *yys++) != '\0')
- continue;
-
- return yyd - 1;
-}
-# endif
-# endif
-
-# ifndef yytnamerr
-/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
- quotes and backslashes, so that it's suitable for yyerror. The
- heuristic is that double-quoting is unnecessary unless the string
- contains an apostrophe, a comma, or backslash (other than
- backslash-backslash). YYSTR is taken from yytname. If YYRES is
- null, do not copy; instead, return the length of what the result
- would have been. */
-static YYSIZE_T
-yytnamerr (char *yyres, const char *yystr)
-{
- if (*yystr == '"')
- {
- YYSIZE_T yyn = 0;
- char const *yyp = yystr;
-
- for (;;)
- switch (*++yyp)
- {
- case '\'':
- case ',':
- goto do_not_strip_quotes;
-
- case '\\':
- if (*++yyp != '\\')
- goto do_not_strip_quotes;
- /* Fall through. */
- default:
- if (yyres)
- yyres[yyn] = *yyp;
- yyn++;
- break;
-
- case '"':
- if (yyres)
- yyres[yyn] = '\0';
- return yyn;
- }
- do_not_strip_quotes: ;
- }
-
- if (! yyres)
- return yystrlen (yystr);
-
- return yystpcpy (yyres, yystr) - yyres;
-}
-# endif
-
-/* Copy into YYRESULT an error message about the unexpected token
- YYCHAR while in state YYSTATE. Return the number of bytes copied,
- including the terminating null byte. If YYRESULT is null, do not
- copy anything; just return the number of bytes that would be
- copied. As a special case, return 0 if an ordinary "syntax error"
- message will do. Return YYSIZE_MAXIMUM if overflow occurs during
- size calculation. */
-static YYSIZE_T
-yysyntax_error (char *yyresult, int yystate, int yychar)
-{
- int yyn = yypact[yystate];
-
- if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
- return 0;
- else
- {
- int yytype = YYTRANSLATE (yychar);
- YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
- YYSIZE_T yysize = yysize0;
- YYSIZE_T yysize1;
- int yysize_overflow = 0;
- enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
- char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
- int yyx;
-
-# if 0
- /* This is so xgettext sees the translatable formats that are
- constructed on the fly. */
- YY_("syntax error, unexpected %s");
- YY_("syntax error, unexpected %s, expecting %s");
- YY_("syntax error, unexpected %s, expecting %s or %s");
- YY_("syntax error, unexpected %s, expecting %s or %s or %s");
- YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
-# endif
- char *yyfmt;
- char const *yyf;
- static char const yyunexpected[] = "syntax error, unexpected %s";
- static char const yyexpecting[] = ", expecting %s";
- static char const yyor[] = " or %s";
- char yyformat[sizeof yyunexpected
- + sizeof yyexpecting - 1
- + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
- * (sizeof yyor - 1))];
- char const *yyprefix = yyexpecting;
-
- /* Start YYX at -YYN if negative to avoid negative indexes in
- YYCHECK. */
- int yyxbegin = yyn < 0 ? -yyn : 0;
-
- /* Stay within bounds of both yycheck and yytname. */
- int yychecklim = YYLAST - yyn + 1;
- int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
- int yycount = 1;
-
- yyarg[0] = yytname[yytype];
- yyfmt = yystpcpy (yyformat, yyunexpected);
-
- for (yyx = yyxbegin; yyx < yyxend; ++yyx)
- if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
- {
- if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
- {
- yycount = 1;
- yysize = yysize0;
- yyformat[sizeof yyunexpected - 1] = '\0';
- break;
- }
- yyarg[yycount++] = yytname[yyx];
- yysize1 = yysize + yytnamerr (0, yytname[yyx]);
- yysize_overflow |= (yysize1 < yysize);
- yysize = yysize1;
- yyfmt = yystpcpy (yyfmt, yyprefix);
- yyprefix = yyor;
- }
-
- yyf = YY_(yyformat);
- yysize1 = yysize + yystrlen (yyf);
- yysize_overflow |= (yysize1 < yysize);
- yysize = yysize1;
-
- if (yysize_overflow)
- return YYSIZE_MAXIMUM;
-
- if (yyresult)
- {
- /* Avoid sprintf, as that infringes on the user's name space.
- Don't have undefined behavior even if the translation
- produced a string with the wrong number of "%s"s. */
- char *yyp = yyresult;
- int yyi = 0;
- while ((*yyp = *yyf) != '\0')
- {
- if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
- {
- yyp += yytnamerr (yyp, yyarg[yyi++]);
- yyf += 2;
- }
- else
- {
- yyp++;
- yyf++;
- }
- }
- }
- return yysize;
- }
-}
-#endif /* YYERROR_VERBOSE */
-
-
-/*-----------------------------------------------.
-| Release the memory associated to this symbol. |
-`-----------------------------------------------*/
-
-/*ARGSUSED*/
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-static void
-yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp, glcpp_parser_t *parser)
-#else
-static void
-yydestruct (yymsg, yytype, yyvaluep, yylocationp, parser)
- const char *yymsg;
- int yytype;
- YYSTYPE *yyvaluep;
- YYLTYPE *yylocationp;
- glcpp_parser_t *parser;
-#endif
-{
- YYUSE (yyvaluep);
- YYUSE (yylocationp);
- YYUSE (parser);
-
- if (!yymsg)
- yymsg = "Deleting";
- YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
-
- switch (yytype)
- {
-
- default:
- break;
- }
-}
-
-/* Prevent warnings from -Wmissing-prototypes. */
-#ifdef YYPARSE_PARAM
-#if defined __STDC__ || defined __cplusplus
-int yyparse (void *YYPARSE_PARAM);
-#else
-int yyparse ();
-#endif
-#else /* ! YYPARSE_PARAM */
-#if defined __STDC__ || defined __cplusplus
-int yyparse (glcpp_parser_t *parser);
-#else
-int yyparse ();
-#endif
-#endif /* ! YYPARSE_PARAM */
-
-
-
-
-
-/*-------------------------.
-| yyparse or yypush_parse. |
-`-------------------------*/
-
-#ifdef YYPARSE_PARAM
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-int
-yyparse (void *YYPARSE_PARAM)
-#else
-int
-yyparse (YYPARSE_PARAM)
- void *YYPARSE_PARAM;
-#endif
-#else /* ! YYPARSE_PARAM */
-#if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
-int
-yyparse (glcpp_parser_t *parser)
-#else
-int
-yyparse (parser)
- glcpp_parser_t *parser;
-#endif
-#endif
-{
-/* The lookahead symbol. */
-int yychar;
-
-/* The semantic value of the lookahead symbol. */
-YYSTYPE yylval;
-
-/* Location data for the lookahead symbol. */
-YYLTYPE yylloc;
-
- /* Number of syntax errors so far. */
- int yynerrs;
-
- int yystate;
- /* Number of tokens to shift before error messages enabled. */
- int yyerrstatus;
-
- /* The stacks and their tools:
- `yyss': related to states.
- `yyvs': related to semantic values.
- `yyls': related to locations.
-
- Refer to the stacks thru separate pointers, to allow yyoverflow
- to reallocate them elsewhere. */
-
- /* The state stack. */
- yytype_int16 yyssa[YYINITDEPTH];
- yytype_int16 *yyss;
- yytype_int16 *yyssp;
-
- /* The semantic value stack. */
- YYSTYPE yyvsa[YYINITDEPTH];
- YYSTYPE *yyvs;
- YYSTYPE *yyvsp;
-
- /* The location stack. */
- YYLTYPE yylsa[YYINITDEPTH];
- YYLTYPE *yyls;
- YYLTYPE *yylsp;
-
- /* The locations where the error started and ended. */
- YYLTYPE yyerror_range[3];
-
- YYSIZE_T yystacksize;
-
- int yyn;
- int yyresult;
- /* Lookahead token as an internal (translated) token number. */
- int yytoken;
- /* The variables used to return semantic value and location from the
- action routines. */
- YYSTYPE yyval;
- YYLTYPE yyloc;
-
-#if YYERROR_VERBOSE
- /* Buffer for error messages, and its allocated size. */
- char yymsgbuf[128];
- char *yymsg = yymsgbuf;
- YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
-#endif
-
-#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N))
-
- /* The number of symbols on the RHS of the reduced rule.
- Keep to zero when no symbol should be popped. */
- int yylen = 0;
-
- yytoken = 0;
- yyss = yyssa;
- yyvs = yyvsa;
- yyls = yylsa;
- yystacksize = YYINITDEPTH;
-
- YYDPRINTF ((stderr, "Starting parse\n"));
-
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
-
- /* Initialize stack pointers.
- Waste one element of value and location stack
- so that they stay on the same level as the state stack.
- The wasted elements are never initialized. */
- yyssp = yyss;
- yyvsp = yyvs;
- yylsp = yyls;
-
-#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
- /* Initialize the default location before parsing starts. */
- yylloc.first_line = yylloc.last_line = 1;
- yylloc.first_column = yylloc.last_column = 1;
-#endif
-
-/* User initialization code. */
-
-/* Line 1251 of yacc.c */
-#line 152 "glcpp/glcpp-parse.y"
-{
- yylloc.first_line = 1;
- yylloc.first_column = 1;
- yylloc.last_line = 1;
- yylloc.last_column = 1;
- yylloc.source = 0;
-}
-
-/* Line 1251 of yacc.c */
-#line 1622 "glcpp/glcpp-parse.c"
- yylsp[0] = yylloc;
-
- goto yysetstate;
-
-/*------------------------------------------------------------.
-| yynewstate -- Push a new state, which is found in yystate. |
-`------------------------------------------------------------*/
- yynewstate:
- /* In all cases, when you get here, the value and location stacks
- have just been pushed. So pushing a state here evens the stacks. */
- yyssp++;
-
- yysetstate:
- *yyssp = yystate;
-
- if (yyss + yystacksize - 1 <= yyssp)
- {
- /* Get the current used size of the three stacks, in elements. */
- YYSIZE_T yysize = yyssp - yyss + 1;
-
-#ifdef yyoverflow
- {
- /* Give user a chance to reallocate the stack. Use copies of
- these so that the &'s don't force the real ones into
- memory. */
- YYSTYPE *yyvs1 = yyvs;
- yytype_int16 *yyss1 = yyss;
- YYLTYPE *yyls1 = yyls;
-
- /* Each stack pointer address is followed by the size of the
- data in use in that stack, in bytes. This used to be a
- conditional around just the two extra args, but that might
- be undefined if yyoverflow is a macro. */
- yyoverflow (YY_("memory exhausted"),
- &yyss1, yysize * sizeof (*yyssp),
- &yyvs1, yysize * sizeof (*yyvsp),
- &yyls1, yysize * sizeof (*yylsp),
- &yystacksize);
-
- yyls = yyls1;
- yyss = yyss1;
- yyvs = yyvs1;
- }
-#else /* no yyoverflow */
-# ifndef YYSTACK_RELOCATE
- goto yyexhaustedlab;
-# else
- /* Extend the stack our own way. */
- if (YYMAXDEPTH <= yystacksize)
- goto yyexhaustedlab;
- yystacksize *= 2;
- if (YYMAXDEPTH < yystacksize)
- yystacksize = YYMAXDEPTH;
-
- {
- yytype_int16 *yyss1 = yyss;
- union yyalloc *yyptr =
- (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
- if (! yyptr)
- goto yyexhaustedlab;
- YYSTACK_RELOCATE (yyss_alloc, yyss);
- YYSTACK_RELOCATE (yyvs_alloc, yyvs);
- YYSTACK_RELOCATE (yyls_alloc, yyls);
-# undef YYSTACK_RELOCATE
- if (yyss1 != yyssa)
- YYSTACK_FREE (yyss1);
- }
-# endif
-#endif /* no yyoverflow */
-
- yyssp = yyss + yysize - 1;
- yyvsp = yyvs + yysize - 1;
- yylsp = yyls + yysize - 1;
-
- YYDPRINTF ((stderr, "Stack size increased to %lu\n",
- (unsigned long int) yystacksize));
-
- if (yyss + yystacksize - 1 <= yyssp)
- YYABORT;
- }
-
- YYDPRINTF ((stderr, "Entering state %d\n", yystate));
-
- if (yystate == YYFINAL)
- YYACCEPT;
-
- goto yybackup;
-
-/*-----------.
-| yybackup. |
-`-----------*/
-yybackup:
-
- /* Do appropriate processing given the current state. Read a
- lookahead token if we need one and don't already have one. */
-
- /* First try to decide what to do without reference to lookahead token. */
- yyn = yypact[yystate];
- if (yyn == YYPACT_NINF)
- goto yydefault;
-
- /* Not known => get a lookahead token if don't already have one. */
-
- /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
- if (yychar == YYEMPTY)
- {
- YYDPRINTF ((stderr, "Reading a token: "));
- yychar = YYLEX;
- }
-
- if (yychar <= YYEOF)
- {
- yychar = yytoken = YYEOF;
- YYDPRINTF ((stderr, "Now at end of input.\n"));
- }
- else
- {
- yytoken = YYTRANSLATE (yychar);
- YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
- }
-
- /* If the proper action on seeing token YYTOKEN is to reduce or to
- detect an error, take that action. */
- yyn += yytoken;
- if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
- goto yydefault;
- yyn = yytable[yyn];
- if (yyn <= 0)
- {
- if (yyn == 0 || yyn == YYTABLE_NINF)
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
- }
-
- /* Count tokens shifted since error; after three, turn off error
- status. */
- if (yyerrstatus)
- yyerrstatus--;
-
- /* Shift the lookahead token. */
- YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
-
- /* Discard the shifted token. */
- yychar = YYEMPTY;
-
- yystate = yyn;
- *++yyvsp = yylval;
- *++yylsp = yylloc;
- goto yynewstate;
-
-
-/*-----------------------------------------------------------.
-| yydefault -- do the default action for the current state. |
-`-----------------------------------------------------------*/
-yydefault:
- yyn = yydefact[yystate];
- if (yyn == 0)
- goto yyerrlab;
- goto yyreduce;
-
-
-/*-----------------------------.
-| yyreduce -- Do a reduction. |
-`-----------------------------*/
-yyreduce:
- /* yyn is the number of a rule to reduce with. */
- yylen = yyr2[yyn];
-
- /* If YYLEN is nonzero, implement the default value of the action:
- `$$ = $1'.
-
- Otherwise, the following line sets YYVAL to garbage.
- This behavior is undocumented and Bison
- users should not rely upon it. Assigning to YYVAL
- unconditionally makes the parser a bit smaller, and it avoids a
- GCC warning that YYVAL may be used uninitialized. */
- yyval = yyvsp[1-yylen];
-
- /* Default location. */
- YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
- YY_REDUCE_PRINT (yyn);
- switch (yyn)
- {
- case 4:
-
-/* Line 1464 of yacc.c */
-#line 191 "glcpp/glcpp-parse.y"
- {
- glcpp_print(parser->output, "\n");
- ;}
- break;
-
- case 5:
-
-/* Line 1464 of yacc.c */
-#line 194 "glcpp/glcpp-parse.y"
- {
- _glcpp_parser_print_expanded_token_list (parser, (yyvsp[(1) - (1)].token_list));
- glcpp_print(parser->output, "\n");
- talloc_free ((yyvsp[(1) - (1)].token_list));
- ;}
- break;
-
- case 8:
-
-/* Line 1464 of yacc.c */
-#line 204 "glcpp/glcpp-parse.y"
- {
- _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), (yyvsp[(2) - (3)].ival));
- ;}
- break;
-
- case 9:
-
-/* Line 1464 of yacc.c */
-#line 207 "glcpp/glcpp-parse.y"
- {
- _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]), "elif", (yyvsp[(2) - (3)].ival));
- ;}
- break;
-
- case 10:
-
-/* Line 1464 of yacc.c */
-#line 213 "glcpp/glcpp-parse.y"
- {
- _define_object_macro (parser, & (yylsp[(2) - (4)]), (yyvsp[(2) - (4)].str), (yyvsp[(3) - (4)].token_list));
- ;}
- break;
-
- case 11:
-
-/* Line 1464 of yacc.c */
-#line 216 "glcpp/glcpp-parse.y"
- {
- _define_function_macro (parser, & (yylsp[(2) - (6)]), (yyvsp[(2) - (6)].str), NULL, (yyvsp[(5) - (6)].token_list));
- ;}
- break;
-
- case 12:
-
-/* Line 1464 of yacc.c */
-#line 219 "glcpp/glcpp-parse.y"
- {
- _define_function_macro (parser, & (yylsp[(2) - (7)]), (yyvsp[(2) - (7)].str), (yyvsp[(4) - (7)].string_list), (yyvsp[(6) - (7)].token_list));
- ;}
- break;
-
- case 13:
-
-/* Line 1464 of yacc.c */
-#line 222 "glcpp/glcpp-parse.y"
- {
- macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (3)].str));
- if (macro) {
- hash_table_remove (parser->defines, (yyvsp[(2) - (3)].str));
- talloc_free (macro);
- }
- talloc_free ((yyvsp[(2) - (3)].str));
- ;}
- break;
-
- case 14:
-
-/* Line 1464 of yacc.c */
-#line 230 "glcpp/glcpp-parse.y"
- {
- /* Be careful to only evaluate the 'if' expression if
- * we are not skipping. When we are skipping, we
- * simply push a new 0-valued 'if' onto the skip
- * stack.
- *
- * This avoids generating diagnostics for invalid
- * expressions that are being skipped. */
- if (parser->skip_stack == NULL ||
- parser->skip_stack->type == SKIP_NO_SKIP)
- {
- _glcpp_parser_expand_if (parser, IF_EXPANDED, (yyvsp[(2) - (3)].token_list));
- }
- else
- {
- _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), 0);
- parser->skip_stack->type = SKIP_TO_ENDIF;
- }
- ;}
- break;
-
- case 15:
-
-/* Line 1464 of yacc.c */
-#line 249 "glcpp/glcpp-parse.y"
- {
- /* #if without an expression is only an error if we
- * are not skipping */
- if (parser->skip_stack == NULL ||
- parser->skip_stack->type == SKIP_NO_SKIP)
- {
- glcpp_error(& (yylsp[(1) - (2)]), parser, "#if with no expression");
- }
- _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (2)]), 0);
- ;}
- break;
-
- case 16:
-
-/* Line 1464 of yacc.c */
-#line 259 "glcpp/glcpp-parse.y"
- {
- macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str));
- talloc_free ((yyvsp[(2) - (4)].str));
- _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro != NULL);
- ;}
- break;
-
- case 17:
-
-/* Line 1464 of yacc.c */
-#line 264 "glcpp/glcpp-parse.y"
- {
- macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str));
- talloc_free ((yyvsp[(2) - (4)].str));
- _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro == NULL);
- ;}
- break;
-
- case 18:
-
-/* Line 1464 of yacc.c */
-#line 269 "glcpp/glcpp-parse.y"
- {
- /* Be careful to only evaluate the 'elif' expression
- * if we are not skipping. When we are skipping, we
- * simply change to a 0-valued 'elif' on the skip
- * stack.
- *
- * This avoids generating diagnostics for invalid
- * expressions that are being skipped. */
- if (parser->skip_stack &&
- parser->skip_stack->type == SKIP_TO_ELSE)
- {
- _glcpp_parser_expand_if (parser, ELIF_EXPANDED, (yyvsp[(2) - (3)].token_list));
- }
- else
- {
- _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]),
- "elif", 0);
- }
- ;}
- break;
-
- case 19:
-
-/* Line 1464 of yacc.c */
-#line 288 "glcpp/glcpp-parse.y"
- {
- /* #elif without an expression is an error unless we
- * are skipping. */
- if (parser->skip_stack &&
- parser->skip_stack->type == SKIP_TO_ELSE)
- {
- glcpp_error(& (yylsp[(1) - (2)]), parser, "#elif with no expression");
- }
- else
- {
- _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]),
- "elif", 0);
- glcpp_warning(& (yylsp[(1) - (2)]), parser, "ignoring illegal #elif without expression");
- }
- ;}
- break;
-
- case 20:
-
-/* Line 1464 of yacc.c */
-#line 303 "glcpp/glcpp-parse.y"
- {
- _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]), "else", 1);
- ;}
- break;
-
- case 21:
-
-/* Line 1464 of yacc.c */
-#line 306 "glcpp/glcpp-parse.y"
- {
- _glcpp_parser_skip_stack_pop (parser, & (yylsp[(1) - (2)]));
- ;}
- break;
-
- case 22:
-
-/* Line 1464 of yacc.c */
-#line 309 "glcpp/glcpp-parse.y"
- {
- macro_t *macro = hash_table_find (parser->defines, "__VERSION__");
- if (macro) {
- hash_table_remove (parser->defines, "__VERSION__");
- talloc_free (macro);
- }
- add_builtin_define (parser, "__VERSION__", (yyvsp[(2) - (3)].ival));
-
- if ((yyvsp[(2) - (3)].ival) == 100)
- add_builtin_define (parser, "GL_ES", 1);
-
- /* Currently, all ES2 implementations support highp in the
- * fragment shader, so we always define this macro in ES2.
- * If we ever get a driver that doesn't support highp, we'll
- * need to add a flag to the gl_context and check that here.
- */
- if ((yyvsp[(2) - (3)].ival) >= 130 || (yyvsp[(2) - (3)].ival) == 100)
- add_builtin_define (parser, "GL_FRAGMENT_PRECISION_HIGH", 1);
-
- glcpp_printf(parser->output, "#version %" PRIiMAX, (yyvsp[(2) - (3)].ival));
- ;}
- break;
-
- case 24:
-
-/* Line 1464 of yacc.c */
-#line 334 "glcpp/glcpp-parse.y"
- {
- if (strlen ((yyvsp[(1) - (1)].str)) >= 3 && strncmp ((yyvsp[(1) - (1)].str), "0x", 2) == 0) {
- (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str) + 2, NULL, 16);
- } else if ((yyvsp[(1) - (1)].str)[0] == '0') {
- (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 8);
- } else {
- (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 10);
- }
- ;}
- break;
-
- case 25:
-
-/* Line 1464 of yacc.c */
-#line 343 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (1)].ival);
- ;}
- break;
-
- case 27:
-
-/* Line 1464 of yacc.c */
-#line 349 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) || (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 28:
-
-/* Line 1464 of yacc.c */
-#line 352 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) && (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 29:
-
-/* Line 1464 of yacc.c */
-#line 355 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) | (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 30:
-
-/* Line 1464 of yacc.c */
-#line 358 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) ^ (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 31:
-
-/* Line 1464 of yacc.c */
-#line 361 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) & (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 32:
-
-/* Line 1464 of yacc.c */
-#line 364 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) != (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 33:
-
-/* Line 1464 of yacc.c */
-#line 367 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) == (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 34:
-
-/* Line 1464 of yacc.c */
-#line 370 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) >= (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 35:
-
-/* Line 1464 of yacc.c */
-#line 373 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) <= (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 36:
-
-/* Line 1464 of yacc.c */
-#line 376 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) > (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 37:
-
-/* Line 1464 of yacc.c */
-#line 379 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) < (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 38:
-
-/* Line 1464 of yacc.c */
-#line 382 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) >> (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 39:
-
-/* Line 1464 of yacc.c */
-#line 385 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) << (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 40:
-
-/* Line 1464 of yacc.c */
-#line 388 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) - (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 41:
-
-/* Line 1464 of yacc.c */
-#line 391 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) + (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 42:
-
-/* Line 1464 of yacc.c */
-#line 394 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) % (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 43:
-
-/* Line 1464 of yacc.c */
-#line 397 "glcpp/glcpp-parse.y"
- {
- if ((yyvsp[(3) - (3)].ival) == 0) {
- yyerror (& (yylsp[(1) - (3)]), parser,
- "division by 0 in preprocessor directive");
- } else {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) / (yyvsp[(3) - (3)].ival);
- }
- ;}
- break;
-
- case 44:
-
-/* Line 1464 of yacc.c */
-#line 405 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(1) - (3)].ival) * (yyvsp[(3) - (3)].ival);
- ;}
- break;
-
- case 45:
-
-/* Line 1464 of yacc.c */
-#line 408 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = ! (yyvsp[(2) - (2)].ival);
- ;}
- break;
-
- case 46:
-
-/* Line 1464 of yacc.c */
-#line 411 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = ~ (yyvsp[(2) - (2)].ival);
- ;}
- break;
-
- case 47:
-
-/* Line 1464 of yacc.c */
-#line 414 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = - (yyvsp[(2) - (2)].ival);
- ;}
- break;
-
- case 48:
-
-/* Line 1464 of yacc.c */
-#line 417 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = + (yyvsp[(2) - (2)].ival);
- ;}
- break;
-
- case 49:
-
-/* Line 1464 of yacc.c */
-#line 420 "glcpp/glcpp-parse.y"
- {
- (yyval.ival) = (yyvsp[(2) - (3)].ival);
- ;}
- break;
-
- case 50:
-
-/* Line 1464 of yacc.c */
-#line 426 "glcpp/glcpp-parse.y"
- {
- (yyval.string_list) = _string_list_create (parser);
- _string_list_append_item ((yyval.string_list), (yyvsp[(1) - (1)].str));
- talloc_steal ((yyval.string_list), (yyvsp[(1) - (1)].str));
- ;}
- break;
-
- case 51:
-
-/* Line 1464 of yacc.c */
-#line 431 "glcpp/glcpp-parse.y"
- {
- (yyval.string_list) = (yyvsp[(1) - (3)].string_list);
- _string_list_append_item ((yyval.string_list), (yyvsp[(3) - (3)].str));
- talloc_steal ((yyval.string_list), (yyvsp[(3) - (3)].str));
- ;}
- break;
-
- case 52:
-
-/* Line 1464 of yacc.c */
-#line 439 "glcpp/glcpp-parse.y"
- { (yyval.token_list) = NULL; ;}
- break;
-
- case 54:
-
-/* Line 1464 of yacc.c */
-#line 444 "glcpp/glcpp-parse.y"
- {
- yyerror (& (yylsp[(1) - (2)]), parser, "Invalid tokens after #");
- ;}
- break;
-
- case 55:
-
-/* Line 1464 of yacc.c */
-#line 450 "glcpp/glcpp-parse.y"
- { (yyval.token_list) = NULL; ;}
- break;
-
- case 58:
-
-/* Line 1464 of yacc.c */
-#line 456 "glcpp/glcpp-parse.y"
- {
- glcpp_warning(&(yylsp[(1) - (1)]), parser, "extra tokens at end of directive");
- ;}
- break;
-
- case 59:
-
-/* Line 1464 of yacc.c */
-#line 463 "glcpp/glcpp-parse.y"
- {
- int v = hash_table_find (parser->defines, (yyvsp[(2) - (2)].str)) ? 1 : 0;
- (yyval.token) = _token_create_ival (parser, INTEGER, v);
- ;}
- break;
-
- case 60:
-
-/* Line 1464 of yacc.c */
-#line 467 "glcpp/glcpp-parse.y"
- {
- int v = hash_table_find (parser->defines, (yyvsp[(3) - (4)].str)) ? 1 : 0;
- (yyval.token) = _token_create_ival (parser, INTEGER, v);
- ;}
- break;
-
- case 62:
-
-/* Line 1464 of yacc.c */
-#line 476 "glcpp/glcpp-parse.y"
- {
- (yyval.token_list) = _token_list_create (parser);
- _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token));
- ;}
- break;
-
- case 63:
-
-/* Line 1464 of yacc.c */
-#line 480 "glcpp/glcpp-parse.y"
- {
- (yyval.token_list) = (yyvsp[(1) - (2)].token_list);
- _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token));
- ;}
- break;
-
- case 64:
-
-/* Line 1464 of yacc.c */
-#line 487 "glcpp/glcpp-parse.y"
- {
- parser->space_tokens = 1;
- (yyval.token_list) = _token_list_create (parser);
- _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token));
- ;}
- break;
-
- case 65:
-
-/* Line 1464 of yacc.c */
-#line 492 "glcpp/glcpp-parse.y"
- {
- (yyval.token_list) = (yyvsp[(1) - (2)].token_list);
- _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token));
- ;}
- break;
-
- case 66:
-
-/* Line 1464 of yacc.c */
-#line 499 "glcpp/glcpp-parse.y"
- {
- (yyval.token) = _token_create_str (parser, IDENTIFIER, (yyvsp[(1) - (1)].str));
- (yyval.token)->location = yylloc;
- ;}
- break;
-
- case 67:
-
-/* Line 1464 of yacc.c */
-#line 503 "glcpp/glcpp-parse.y"
- {
- (yyval.token) = _token_create_str (parser, INTEGER_STRING, (yyvsp[(1) - (1)].str));
- (yyval.token)->location = yylloc;
- ;}
- break;
-
- case 68:
-
-/* Line 1464 of yacc.c */
-#line 507 "glcpp/glcpp-parse.y"
- {
- (yyval.token) = _token_create_ival (parser, (yyvsp[(1) - (1)].ival), (yyvsp[(1) - (1)].ival));
- (yyval.token)->location = yylloc;
- ;}
- break;
-
- case 69:
-
-/* Line 1464 of yacc.c */
-#line 511 "glcpp/glcpp-parse.y"
- {
- (yyval.token) = _token_create_str (parser, OTHER, (yyvsp[(1) - (1)].str));
- (yyval.token)->location = yylloc;
- ;}
- break;
-
- case 70:
-
-/* Line 1464 of yacc.c */
-#line 515 "glcpp/glcpp-parse.y"
- {
- (yyval.token) = _token_create_ival (parser, SPACE, SPACE);
- (yyval.token)->location = yylloc;
- ;}
- break;
-
- case 71:
-
-/* Line 1464 of yacc.c */
-#line 522 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '['; ;}
- break;
-
- case 72:
-
-/* Line 1464 of yacc.c */
-#line 523 "glcpp/glcpp-parse.y"
- { (yyval.ival) = ']'; ;}
- break;
-
- case 73:
-
-/* Line 1464 of yacc.c */
-#line 524 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '('; ;}
- break;
-
- case 74:
-
-/* Line 1464 of yacc.c */
-#line 525 "glcpp/glcpp-parse.y"
- { (yyval.ival) = ')'; ;}
- break;
-
- case 75:
-
-/* Line 1464 of yacc.c */
-#line 526 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '{'; ;}
- break;
-
- case 76:
-
-/* Line 1464 of yacc.c */
-#line 527 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '}'; ;}
- break;
-
- case 77:
-
-/* Line 1464 of yacc.c */
-#line 528 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '.'; ;}
- break;
-
- case 78:
-
-/* Line 1464 of yacc.c */
-#line 529 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '&'; ;}
- break;
-
- case 79:
-
-/* Line 1464 of yacc.c */
-#line 530 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '*'; ;}
- break;
-
- case 80:
-
-/* Line 1464 of yacc.c */
-#line 531 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '+'; ;}
- break;
-
- case 81:
-
-/* Line 1464 of yacc.c */
-#line 532 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '-'; ;}
- break;
-
- case 82:
-
-/* Line 1464 of yacc.c */
-#line 533 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '~'; ;}
- break;
-
- case 83:
-
-/* Line 1464 of yacc.c */
-#line 534 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '!'; ;}
- break;
-
- case 84:
-
-/* Line 1464 of yacc.c */
-#line 535 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '/'; ;}
- break;
-
- case 85:
-
-/* Line 1464 of yacc.c */
-#line 536 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '%'; ;}
- break;
-
- case 86:
-
-/* Line 1464 of yacc.c */
-#line 537 "glcpp/glcpp-parse.y"
- { (yyval.ival) = LEFT_SHIFT; ;}
- break;
-
- case 87:
-
-/* Line 1464 of yacc.c */
-#line 538 "glcpp/glcpp-parse.y"
- { (yyval.ival) = RIGHT_SHIFT; ;}
- break;
-
- case 88:
-
-/* Line 1464 of yacc.c */
-#line 539 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '<'; ;}
- break;
-
- case 89:
-
-/* Line 1464 of yacc.c */
-#line 540 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '>'; ;}
- break;
-
- case 90:
-
-/* Line 1464 of yacc.c */
-#line 541 "glcpp/glcpp-parse.y"
- { (yyval.ival) = LESS_OR_EQUAL; ;}
- break;
-
- case 91:
-
-/* Line 1464 of yacc.c */
-#line 542 "glcpp/glcpp-parse.y"
- { (yyval.ival) = GREATER_OR_EQUAL; ;}
- break;
-
- case 92:
-
-/* Line 1464 of yacc.c */
-#line 543 "glcpp/glcpp-parse.y"
- { (yyval.ival) = EQUAL; ;}
- break;
-
- case 93:
-
-/* Line 1464 of yacc.c */
-#line 544 "glcpp/glcpp-parse.y"
- { (yyval.ival) = NOT_EQUAL; ;}
- break;
-
- case 94:
-
-/* Line 1464 of yacc.c */
-#line 545 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '^'; ;}
- break;
-
- case 95:
-
-/* Line 1464 of yacc.c */
-#line 546 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '|'; ;}
- break;
-
- case 96:
-
-/* Line 1464 of yacc.c */
-#line 547 "glcpp/glcpp-parse.y"
- { (yyval.ival) = AND; ;}
- break;
-
- case 97:
-
-/* Line 1464 of yacc.c */
-#line 548 "glcpp/glcpp-parse.y"
- { (yyval.ival) = OR; ;}
- break;
-
- case 98:
-
-/* Line 1464 of yacc.c */
-#line 549 "glcpp/glcpp-parse.y"
- { (yyval.ival) = ';'; ;}
- break;
-
- case 99:
-
-/* Line 1464 of yacc.c */
-#line 550 "glcpp/glcpp-parse.y"
- { (yyval.ival) = ','; ;}
- break;
-
- case 100:
-
-/* Line 1464 of yacc.c */
-#line 551 "glcpp/glcpp-parse.y"
- { (yyval.ival) = '='; ;}
- break;
-
- case 101:
-
-/* Line 1464 of yacc.c */
-#line 552 "glcpp/glcpp-parse.y"
- { (yyval.ival) = PASTE; ;}
- break;
-
-
-
-/* Line 1464 of yacc.c */
-#line 2661 "glcpp/glcpp-parse.c"
- default: break;
- }
- YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
-
- YYPOPSTACK (yylen);
- yylen = 0;
- YY_STACK_PRINT (yyss, yyssp);
-
- *++yyvsp = yyval;
- *++yylsp = yyloc;
-
- /* Now `shift' the result of the reduction. Determine what state
- that goes to, based on the state we popped back to and the rule
- number reduced by. */
-
- yyn = yyr1[yyn];
-
- yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
- if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTOKENS];
-
- goto yynewstate;
-
-
-/*------------------------------------.
-| yyerrlab -- here on detecting error |
-`------------------------------------*/
-yyerrlab:
- /* If not already recovering from an error, report this error. */
- if (!yyerrstatus)
- {
- ++yynerrs;
-#if ! YYERROR_VERBOSE
- yyerror (&yylloc, parser, YY_("syntax error"));
-#else
- {
- YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
- if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
- {
- YYSIZE_T yyalloc = 2 * yysize;
- if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
- yyalloc = YYSTACK_ALLOC_MAXIMUM;
- if (yymsg != yymsgbuf)
- YYSTACK_FREE (yymsg);
- yymsg = (char *) YYSTACK_ALLOC (yyalloc);
- if (yymsg)
- yymsg_alloc = yyalloc;
- else
- {
- yymsg = yymsgbuf;
- yymsg_alloc = sizeof yymsgbuf;
- }
- }
-
- if (0 < yysize && yysize <= yymsg_alloc)
- {
- (void) yysyntax_error (yymsg, yystate, yychar);
- yyerror (&yylloc, parser, yymsg);
- }
- else
- {
- yyerror (&yylloc, parser, YY_("syntax error"));
- if (yysize != 0)
- goto yyexhaustedlab;
- }
- }
-#endif
- }
-
- yyerror_range[1] = yylloc;
-
- if (yyerrstatus == 3)
- {
- /* If just tried and failed to reuse lookahead token after an
- error, discard it. */
-
- if (yychar <= YYEOF)
- {
- /* Return failure if at end of input. */
- if (yychar == YYEOF)
- YYABORT;
- }
- else
- {
- yydestruct ("Error: discarding",
- yytoken, &yylval, &yylloc, parser);
- yychar = YYEMPTY;
- }
- }
-
- /* Else will try to reuse lookahead token after shifting the error
- token. */
- goto yyerrlab1;
-
-
-/*---------------------------------------------------.
-| yyerrorlab -- error raised explicitly by YYERROR. |
-`---------------------------------------------------*/
-yyerrorlab:
-
- /* Pacify compilers like GCC when the user code never invokes
- YYERROR and the label yyerrorlab therefore never appears in user
- code. */
- if (/*CONSTCOND*/ 0)
- goto yyerrorlab;
-
- yyerror_range[1] = yylsp[1-yylen];
- /* Do not reclaim the symbols of the rule which action triggered
- this YYERROR. */
- YYPOPSTACK (yylen);
- yylen = 0;
- YY_STACK_PRINT (yyss, yyssp);
- yystate = *yyssp;
- goto yyerrlab1;
-
-
-/*-------------------------------------------------------------.
-| yyerrlab1 -- common code for both syntax error and YYERROR. |
-`-------------------------------------------------------------*/
-yyerrlab1:
- yyerrstatus = 3; /* Each real token shifted decrements this. */
-
- for (;;)
- {
- yyn = yypact[yystate];
- if (yyn != YYPACT_NINF)
- {
- yyn += YYTERROR;
- if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
- {
- yyn = yytable[yyn];
- if (0 < yyn)
- break;
- }
- }
-
- /* Pop the current state because it cannot handle the error token. */
- if (yyssp == yyss)
- YYABORT;
-
- yyerror_range[1] = *yylsp;
- yydestruct ("Error: popping",
- yystos[yystate], yyvsp, yylsp, parser);
- YYPOPSTACK (1);
- yystate = *yyssp;
- YY_STACK_PRINT (yyss, yyssp);
- }
-
- *++yyvsp = yylval;
-
- yyerror_range[2] = yylloc;
- /* Using YYLLOC is tempting, but would change the location of
- the lookahead. YYLOC is available though. */
- YYLLOC_DEFAULT (yyloc, yyerror_range, 2);
- *++yylsp = yyloc;
-
- /* Shift the error token. */
- YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
-
- yystate = yyn;
- goto yynewstate;
-
-
-/*-------------------------------------.
-| yyacceptlab -- YYACCEPT comes here. |
-`-------------------------------------*/
-yyacceptlab:
- yyresult = 0;
- goto yyreturn;
-
-/*-----------------------------------.
-| yyabortlab -- YYABORT comes here. |
-`-----------------------------------*/
-yyabortlab:
- yyresult = 1;
- goto yyreturn;
-
-#if !defined(yyoverflow) || YYERROR_VERBOSE
-/*-------------------------------------------------.
-| yyexhaustedlab -- memory exhaustion comes here. |
-`-------------------------------------------------*/
-yyexhaustedlab:
- yyerror (&yylloc, parser, YY_("memory exhausted"));
- yyresult = 2;
- /* Fall through. */
-#endif
-
-yyreturn:
- if (yychar != YYEMPTY)
- yydestruct ("Cleanup: discarding lookahead",
- yytoken, &yylval, &yylloc, parser);
- /* Do not reclaim the symbols of the rule which action triggered
- this YYABORT or YYACCEPT. */
- YYPOPSTACK (yylen);
- YY_STACK_PRINT (yyss, yyssp);
- while (yyssp != yyss)
- {
- yydestruct ("Cleanup: popping",
- yystos[*yyssp], yyvsp, yylsp, parser);
- YYPOPSTACK (1);
- }
-#ifndef yyoverflow
- if (yyss != yyssa)
- YYSTACK_FREE (yyss);
-#endif
-#if YYERROR_VERBOSE
- if (yymsg != yymsgbuf)
- YYSTACK_FREE (yymsg);
-#endif
- /* Make sure YYID is used. */
- return YYID (yyresult);
-}
-
-
-
-/* Line 1684 of yacc.c */
-#line 555 "glcpp/glcpp-parse.y"
-
-
-string_list_t *
-_string_list_create (void *ctx)
-{
- string_list_t *list;
-
- list = talloc (ctx, string_list_t);
- list->head = NULL;
- list->tail = NULL;
-
- return list;
-}
-
-void
-_string_list_append_item (string_list_t *list, const char *str)
-{
- string_node_t *node;
-
- node = talloc (list, string_node_t);
- node->str = talloc_strdup (node, str);
-
- node->next = NULL;
-
- if (list->head == NULL) {
- list->head = node;
- } else {
- list->tail->next = node;
- }
-
- list->tail = node;
-}
-
-int
-_string_list_contains (string_list_t *list, const char *member, int *index)
-{
- string_node_t *node;
- int i;
-
- if (list == NULL)
- return 0;
-
- for (i = 0, node = list->head; node; i++, node = node->next) {
- if (strcmp (node->str, member) == 0) {
- if (index)
- *index = i;
- return 1;
- }
- }
-
- return 0;
-}
-
-int
-_string_list_length (string_list_t *list)
-{
- int length = 0;
- string_node_t *node;
-
- if (list == NULL)
- return 0;
-
- for (node = list->head; node; node = node->next)
- length++;
-
- return length;
-}
-
-int
-_string_list_equal (string_list_t *a, string_list_t *b)
-{
- string_node_t *node_a, *node_b;
-
- if (a == NULL && b == NULL)
- return 1;
-
- if (a == NULL || b == NULL)
- return 0;
-
- for (node_a = a->head, node_b = b->head;
- node_a && node_b;
- node_a = node_a->next, node_b = node_b->next)
- {
- if (strcmp (node_a->str, node_b->str))
- return 0;
- }
-
- /* Catch the case of lists being different lengths, (which
- * would cause the loop above to terminate after the shorter
- * list). */
- return node_a == node_b;
-}
-
-argument_list_t *
-_argument_list_create (void *ctx)
-{
- argument_list_t *list;
-
- list = talloc (ctx, argument_list_t);
- list->head = NULL;
- list->tail = NULL;
-
- return list;
-}
-
-void
-_argument_list_append (argument_list_t *list, token_list_t *argument)
-{
- argument_node_t *node;
-
- node = talloc (list, argument_node_t);
- node->argument = argument;
-
- node->next = NULL;
-
- if (list->head == NULL) {
- list->head = node;
- } else {
- list->tail->next = node;
- }
-
- list->tail = node;
-}
-
-int
-_argument_list_length (argument_list_t *list)
-{
- int length = 0;
- argument_node_t *node;
-
- if (list == NULL)
- return 0;
-
- for (node = list->head; node; node = node->next)
- length++;
-
- return length;
-}
-
-token_list_t *
-_argument_list_member_at (argument_list_t *list, int index)
-{
- argument_node_t *node;
- int i;
-
- if (list == NULL)
- return NULL;
-
- node = list->head;
- for (i = 0; i < index; i++) {
- node = node->next;
- if (node == NULL)
- break;
- }
-
- if (node)
- return node->argument;
-
- return NULL;
-}
-
-/* Note: This function talloc_steal()s the str pointer. */
-token_t *
-_token_create_str (void *ctx, int type, char *str)
-{
- token_t *token;
-
- token = talloc (ctx, token_t);
- token->type = type;
- token->value.str = talloc_steal (token, str);
-
- return token;
-}
-
-token_t *
-_token_create_ival (void *ctx, int type, int ival)
-{
- token_t *token;
-
- token = talloc (ctx, token_t);
- token->type = type;
- token->value.ival = ival;
-
- return token;
-}
-
-token_list_t *
-_token_list_create (void *ctx)
-{
- token_list_t *list;
-
- list = talloc (ctx, token_list_t);
- list->head = NULL;
- list->tail = NULL;
- list->non_space_tail = NULL;
-
- return list;
-}
-
-void
-_token_list_append (token_list_t *list, token_t *token)
-{
- token_node_t *node;
-
- node = talloc (list, token_node_t);
- node->token = talloc_steal (list, token);
-
- node->next = NULL;
-
- if (list->head == NULL) {
- list->head = node;
- } else {
- list->tail->next = node;
- }
-
- list->tail = node;
- if (token->type != SPACE)
- list->non_space_tail = node;
-}
-
-void
-_token_list_append_list (token_list_t *list, token_list_t *tail)
-{
- if (tail == NULL || tail->head == NULL)
- return;
-
- if (list->head == NULL) {
- list->head = tail->head;
- } else {
- list->tail->next = tail->head;
- }
-
- list->tail = tail->tail;
- list->non_space_tail = tail->non_space_tail;
-}
-
-static token_list_t *
-_token_list_copy (void *ctx, token_list_t *other)
-{
- token_list_t *copy;
- token_node_t *node;
-
- if (other == NULL)
- return NULL;
-
- copy = _token_list_create (ctx);
- for (node = other->head; node; node = node->next) {
- token_t *new_token = talloc (copy, token_t);
- *new_token = *node->token;
- _token_list_append (copy, new_token);
- }
-
- return copy;
-}
-
-static void
-_token_list_trim_trailing_space (token_list_t *list)
-{
- token_node_t *tail, *next;
-
- if (list->non_space_tail) {
- tail = list->non_space_tail->next;
- list->non_space_tail->next = NULL;
- list->tail = list->non_space_tail;
-
- while (tail) {
- next = tail->next;
- talloc_free (tail);
- tail = next;
- }
- }
-}
-
-int
-_token_list_is_empty_ignoring_space (token_list_t *l)
-{
- token_node_t *n;
-
- if (l == NULL)
- return 1;
-
- n = l->head;
- while (n != NULL && n->token->type == SPACE)
- n = n->next;
-
- return n == NULL;
-}
-
-int
-_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b)
-{
- token_node_t *node_a, *node_b;
-
- if (a == NULL || b == NULL) {
- int a_empty = _token_list_is_empty_ignoring_space(a);
- int b_empty = _token_list_is_empty_ignoring_space(b);
- return a_empty == b_empty;
- }
-
- node_a = a->head;
- node_b = b->head;
-
- while (1)
- {
- if (node_a == NULL && node_b == NULL)
- break;
-
- if (node_a == NULL || node_b == NULL)
- return 0;
-
- if (node_a->token->type == SPACE) {
- node_a = node_a->next;
- continue;
- }
-
- if (node_b->token->type == SPACE) {
- node_b = node_b->next;
- continue;
- }
-
- if (node_a->token->type != node_b->token->type)
- return 0;
-
- switch (node_a->token->type) {
- case INTEGER:
- if (node_a->token->value.ival !=
- node_b->token->value.ival)
- {
- return 0;
- }
- break;
- case IDENTIFIER:
- case INTEGER_STRING:
- case OTHER:
- if (strcmp (node_a->token->value.str,
- node_b->token->value.str))
- {
- return 0;
- }
- break;
- }
-
- node_a = node_a->next;
- node_b = node_b->next;
- }
-
- return 1;
-}
-
-static void
-_token_print (char **out, token_t *token)
-{
- if (token->type < 256) {
- glcpp_printf (*out, "%c", token->type);
- return;
- }
-
- switch (token->type) {
- case INTEGER:
- glcpp_printf (*out, "%" PRIiMAX, token->value.ival);
- break;
- case IDENTIFIER:
- case INTEGER_STRING:
- case OTHER:
- glcpp_print (*out, token->value.str);
- break;
- case SPACE:
- glcpp_print (*out, " ");
- break;
- case LEFT_SHIFT:
- glcpp_print (*out, "<<");
- break;
- case RIGHT_SHIFT:
- glcpp_print (*out, ">>");
- break;
- case LESS_OR_EQUAL:
- glcpp_print (*out, "<=");
- break;
- case GREATER_OR_EQUAL:
- glcpp_print (*out, ">=");
- break;
- case EQUAL:
- glcpp_print (*out, "==");
- break;
- case NOT_EQUAL:
- glcpp_print (*out, "!=");
- break;
- case AND:
- glcpp_print (*out, "&&");
- break;
- case OR:
- glcpp_print (*out, "||");
- break;
- case PASTE:
- glcpp_print (*out, "##");
- break;
- case COMMA_FINAL:
- glcpp_print (*out, ",");
- break;
- case PLACEHOLDER:
- /* Nothing to print. */
- break;
- default:
- assert(!"Error: Don't know how to print token.");
- break;
- }
-}
-
-/* Return a new token (talloc()ed off of 'token') formed by pasting
- * 'token' and 'other'. Note that this function may return 'token' or
- * 'other' directly rather than allocating anything new.
- *
- * Caution: Only very cursory error-checking is performed to see if
- * the final result is a valid single token. */
-static token_t *
-_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other)
-{
- token_t *combined = NULL;
-
- /* Pasting a placeholder onto anything makes no change. */
- if (other->type == PLACEHOLDER)
- return token;
-
- /* When 'token' is a placeholder, just return 'other'. */
- if (token->type == PLACEHOLDER)
- return other;
-
- /* A very few single-character punctuators can be combined
- * with another to form a multi-character punctuator. */
- switch (token->type) {
- case '<':
- if (other->type == '<')
- combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT);
- else if (other->type == '=')
- combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL);
- break;
- case '>':
- if (other->type == '>')
- combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT);
- else if (other->type == '=')
- combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL);
- break;
- case '=':
- if (other->type == '=')
- combined = _token_create_ival (token, EQUAL, EQUAL);
- break;
- case '!':
- if (other->type == '=')
- combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL);
- break;
- case '&':
- if (other->type == '&')
- combined = _token_create_ival (token, AND, AND);
- break;
- case '|':
- if (other->type == '|')
- combined = _token_create_ival (token, OR, OR);
- break;
- }
-
- if (combined != NULL) {
- /* Inherit the location from the first token */
- combined->location = token->location;
- return combined;
- }
-
- /* Two string-valued tokens can usually just be mashed
- * together.
- *
- * XXX: This isn't actually legitimate. Several things here
- * should result in a diagnostic since the result cannot be a
- * valid, single pre-processing token. For example, pasting
- * "123" and "abc" is not legal, but we don't catch that
- * here. */
- if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) &&
- (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING))
- {
- char *str;
-
- str = talloc_asprintf (token, "%s%s", token->value.str,
- other->value.str);
- combined = _token_create_str (token, token->type, str);
- combined->location = token->location;
- return combined;
- }
-
- glcpp_error (&token->location, parser, "");
- glcpp_print (parser->info_log, "Pasting \"");
- _token_print (&parser->info_log, token);
- glcpp_print (parser->info_log, "\" and \"");
- _token_print (&parser->info_log, other);
- glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n");
-
- return token;
-}
-
-static void
-_token_list_print (glcpp_parser_t *parser, token_list_t *list)
-{
- token_node_t *node;
-
- if (list == NULL)
- return;
-
- for (node = list->head; node; node = node->next)
- _token_print (&parser->output, node->token);
-}
-
-void
-yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error)
-{
- glcpp_error(locp, parser, "%s", error);
-}
-
-static void add_builtin_define(glcpp_parser_t *parser,
- const char *name, int value)
-{
- token_t *tok;
- token_list_t *list;
-
- tok = _token_create_ival (parser, INTEGER, value);
-
- list = _token_list_create(parser);
- _token_list_append(list, tok);
- _define_object_macro(parser, NULL, name, list);
-}
-
-glcpp_parser_t *
-glcpp_parser_create (const struct gl_extensions *extensions, int api)
-{
- glcpp_parser_t *parser;
- int language_version;
-
- parser = talloc (NULL, glcpp_parser_t);
-
- glcpp_lex_init_extra (parser, &parser->scanner);
- parser->defines = hash_table_ctor (32, hash_table_string_hash,
- hash_table_string_compare);
- parser->active = NULL;
- parser->lexing_if = 0;
- parser->space_tokens = 1;
- parser->newline_as_space = 0;
- parser->in_control_line = 0;
- parser->paren_count = 0;
-
- parser->skip_stack = NULL;
-
- parser->lex_from_list = NULL;
- parser->lex_from_node = NULL;
-
- parser->output = talloc_strdup(parser, "");
- parser->info_log = talloc_strdup(parser, "");
- parser->error = 0;
-
- /* Add pre-defined macros. */
- add_builtin_define(parser, "GL_ARB_draw_buffers", 1);
- add_builtin_define(parser, "GL_ARB_texture_rectangle", 1);
-
- if (api == API_OPENGLES2)
- add_builtin_define(parser, "GL_ES", 1);
-
- if (extensions != NULL) {
- if (extensions->EXT_texture_array) {
- add_builtin_define(parser, "GL_EXT_texture_array", 1);
- }
-
- if (extensions->ARB_fragment_coord_conventions)
- add_builtin_define(parser, "GL_ARB_fragment_coord_conventions",
- 1);
-
- if (extensions->ARB_explicit_attrib_location)
- add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1);
- if (extensions->AMD_conservative_depth)
- add_builtin_define(parser, "GL_AMD_conservative_depth", 1);
- }
-
- language_version = 110;
- add_builtin_define(parser, "__VERSION__", language_version);
-
- return parser;
-}
-
-int
-glcpp_parser_parse (glcpp_parser_t *parser)
-{
- return yyparse (parser);
-}
-
-void
-glcpp_parser_destroy (glcpp_parser_t *parser)
-{
- glcpp_lex_destroy (parser->scanner);
- hash_table_dtor (parser->defines);
- talloc_free (parser);
-}
-
-typedef enum function_status
-{
- FUNCTION_STATUS_SUCCESS,
- FUNCTION_NOT_A_FUNCTION,
- FUNCTION_UNBALANCED_PARENTHESES
-} function_status_t;
-
-/* Find a set of function-like macro arguments by looking for a
- * balanced set of parentheses.
- *
- * When called, 'node' should be the opening-parenthesis token, (or
- * perhaps preceeding SPACE tokens). Upon successful return *last will
- * be the last consumed node, (corresponding to the closing right
- * parenthesis).
- *
- * Return values:
- *
- * FUNCTION_STATUS_SUCCESS:
- *
- * Successfully parsed a set of function arguments.
- *
- * FUNCTION_NOT_A_FUNCTION:
- *
- * Macro name not followed by a '('. This is not an error, but
- * simply that the macro name should be treated as a non-macro.
- *
- * FUNCTION_UNBALANCED_PARENTHESES
- *
- * Macro name is not followed by a balanced set of parentheses.
- */
-static function_status_t
-_arguments_parse (argument_list_t *arguments,
- token_node_t *node,
- token_node_t **last)
-{
- token_list_t *argument;
- int paren_count;
-
- node = node->next;
-
- /* Ignore whitespace before first parenthesis. */
- while (node && node->token->type == SPACE)
- node = node->next;
-
- if (node == NULL || node->token->type != '(')
- return FUNCTION_NOT_A_FUNCTION;
-
- node = node->next;
-
- argument = _token_list_create (arguments);
- _argument_list_append (arguments, argument);
-
- for (paren_count = 1; node; node = node->next) {
- if (node->token->type == '(')
- {
- paren_count++;
- }
- else if (node->token->type == ')')
- {
- paren_count--;
- if (paren_count == 0)
- break;
- }
-
- if (node->token->type == ',' &&
- paren_count == 1)
- {
- _token_list_trim_trailing_space (argument);
- argument = _token_list_create (arguments);
- _argument_list_append (arguments, argument);
- }
- else {
- if (argument->head == NULL) {
- /* Don't treat initial whitespace as
- * part of the arguement. */
- if (node->token->type == SPACE)
- continue;
- }
- _token_list_append (argument, node->token);
- }
- }
-
- if (paren_count)
- return FUNCTION_UNBALANCED_PARENTHESES;
-
- *last = node;
-
- return FUNCTION_STATUS_SUCCESS;
-}
-
-static token_list_t *
-_token_list_create_with_one_space (void *ctx)
-{
- token_list_t *list;
- token_t *space;
-
- list = _token_list_create (ctx);
- space = _token_create_ival (list, SPACE, SPACE);
- _token_list_append (list, space);
-
- return list;
-}
-
-static void
-_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list)
-{
- token_list_t *expanded;
- token_t *token;
-
- expanded = _token_list_create (parser);
- token = _token_create_ival (parser, type, type);
- _token_list_append (expanded, token);
- _glcpp_parser_expand_token_list (parser, list);
- _token_list_append_list (expanded, list);
- glcpp_parser_lex_from (parser, expanded);
-}
-
-/* This is a helper function that's essentially part of the
- * implementation of _glcpp_parser_expand_node. It shouldn't be called
- * except for by that function.
- *
- * Returns NULL if node is a simple token with no expansion, (that is,
- * although 'node' corresponds to an identifier defined as a
- * function-like macro, it is not followed with a parenthesized
- * argument list).
- *
- * Compute the complete expansion of node (which is a function-like
- * macro) and subsequent nodes which are arguments.
- *
- * Returns the token list that results from the expansion and sets
- * *last to the last node in the list that was consumed by the
- * expansion. Specifically, *last will be set as follows: as the
- * token of the closing right parenthesis.
- */
-static token_list_t *
-_glcpp_parser_expand_function (glcpp_parser_t *parser,
- token_node_t *node,
- token_node_t **last)
-
-{
- macro_t *macro;
- const char *identifier;
- argument_list_t *arguments;
- function_status_t status;
- token_list_t *substituted;
- int parameter_index;
-
- identifier = node->token->value.str;
-
- macro = hash_table_find (parser->defines, identifier);
-
- assert (macro->is_function);
-
- arguments = _argument_list_create (parser);
- status = _arguments_parse (arguments, node, last);
-
- switch (status) {
- case FUNCTION_STATUS_SUCCESS:
- break;
- case FUNCTION_NOT_A_FUNCTION:
- return NULL;
- case FUNCTION_UNBALANCED_PARENTHESES:
- glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier);
- return NULL;
- }
-
- /* Replace a macro defined as empty with a SPACE token. */
- if (macro->replacements == NULL) {
- talloc_free (arguments);
- return _token_list_create_with_one_space (parser);
- }
-
- if (! ((_argument_list_length (arguments) ==
- _string_list_length (macro->parameters)) ||
- (_string_list_length (macro->parameters) == 0 &&
- _argument_list_length (arguments) == 1 &&
- arguments->head->argument->head == NULL)))
- {
- glcpp_error (&node->token->location, parser,
- "Error: macro %s invoked with %d arguments (expected %d)\n",
- identifier,
- _argument_list_length (arguments),
- _string_list_length (macro->parameters));
- return NULL;
- }
-
- /* Perform argument substitution on the replacement list. */
- substituted = _token_list_create (arguments);
-
- for (node = macro->replacements->head; node; node = node->next)
- {
- if (node->token->type == IDENTIFIER &&
- _string_list_contains (macro->parameters,
- node->token->value.str,
- &parameter_index))
- {
- token_list_t *argument;
- argument = _argument_list_member_at (arguments,
- parameter_index);
- /* Before substituting, we expand the argument
- * tokens, or append a placeholder token for
- * an empty argument. */
- if (argument->head) {
- token_list_t *expanded_argument;
- expanded_argument = _token_list_copy (parser,
- argument);
- _glcpp_parser_expand_token_list (parser,
- expanded_argument);
- _token_list_append_list (substituted,
- expanded_argument);
- } else {
- token_t *new_token;
-
- new_token = _token_create_ival (substituted,
- PLACEHOLDER,
- PLACEHOLDER);
- _token_list_append (substituted, new_token);
- }
- } else {
- _token_list_append (substituted, node->token);
- }
- }
-
- /* After argument substitution, and before further expansion
- * below, implement token pasting. */
-
- _token_list_trim_trailing_space (substituted);
-
- node = substituted->head;
- while (node)
- {
- token_node_t *next_non_space;
-
- /* Look ahead for a PASTE token, skipping space. */
- next_non_space = node->next;
- while (next_non_space && next_non_space->token->type == SPACE)
- next_non_space = next_non_space->next;
-
- if (next_non_space == NULL)
- break;
-
- if (next_non_space->token->type != PASTE) {
- node = next_non_space;
- continue;
- }
-
- /* Now find the next non-space token after the PASTE. */
- next_non_space = next_non_space->next;
- while (next_non_space && next_non_space->token->type == SPACE)
- next_non_space = next_non_space->next;
-
- if (next_non_space == NULL) {
- yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n");
- return NULL;
- }
-
- node->token = _token_paste (parser, node->token, next_non_space->token);
- node->next = next_non_space->next;
- if (next_non_space == substituted->tail)
- substituted->tail = node;
-
- node = node->next;
- }
-
- substituted->non_space_tail = substituted->tail;
-
- return substituted;
-}
-
-/* Compute the complete expansion of node, (and subsequent nodes after
- * 'node' in the case that 'node' is a function-like macro and
- * subsequent nodes are arguments).
- *
- * Returns NULL if node is a simple token with no expansion.
- *
- * Otherwise, returns the token list that results from the expansion
- * and sets *last to the last node in the list that was consumed by
- * the expansion. Specifically, *last will be set as follows:
- *
- * As 'node' in the case of object-like macro expansion.
- *
- * As the token of the closing right parenthesis in the case of
- * function-like macro expansion.
- */
-static token_list_t *
-_glcpp_parser_expand_node (glcpp_parser_t *parser,
- token_node_t *node,
- token_node_t **last)
-{
- token_t *token = node->token;
- const char *identifier;
- macro_t *macro;
-
- /* We only expand identifiers */
- if (token->type != IDENTIFIER) {
- /* We change any COMMA into a COMMA_FINAL to prevent
- * it being mistaken for an argument separator
- * later. */
- if (token->type == ',') {
- token->type = COMMA_FINAL;
- token->value.ival = COMMA_FINAL;
- }
-
- return NULL;
- }
-
- /* Look up this identifier in the hash table. */
- identifier = token->value.str;
- macro = hash_table_find (parser->defines, identifier);
-
- /* Not a macro, so no expansion needed. */
- if (macro == NULL)
- return NULL;
-
- /* Finally, don't expand this macro if we're already actively
- * expanding it, (to avoid infinite recursion). */
- if (_active_list_contains (parser->active, identifier)) {
- /* We change the token type here from IDENTIFIER to
- * OTHER to prevent any future expansion of this
- * unexpanded token. */
- char *str;
- token_list_t *expansion;
- token_t *final;
-
- str = talloc_strdup (parser, token->value.str);
- final = _token_create_str (parser, OTHER, str);
- expansion = _token_list_create (parser);
- _token_list_append (expansion, final);
- *last = node;
- return expansion;
- }
-
- if (! macro->is_function)
- {
- *last = node;
-
- /* Replace a macro defined as empty with a SPACE token. */
- if (macro->replacements == NULL)
- return _token_list_create_with_one_space (parser);
-
- return _token_list_copy (parser, macro->replacements);
- }
-
- return _glcpp_parser_expand_function (parser, node, last);
-}
-
-/* Push a new identifier onto the active list, returning the new list.
- *
- * Here, 'marker' is the token node that appears in the list after the
- * expansion of 'identifier'. That is, when the list iterator begins
- * examinging 'marker', then it is time to pop this node from the
- * active stack.
- */
-active_list_t *
-_active_list_push (active_list_t *list,
- const char *identifier,
- token_node_t *marker)
-{
- active_list_t *node;
-
- node = talloc (list, active_list_t);
- node->identifier = talloc_strdup (node, identifier);
- node->marker = marker;
- node->next = list;
-
- return node;
-}
-
-active_list_t *
-_active_list_pop (active_list_t *list)
-{
- active_list_t *node = list;
-
- if (node == NULL)
- return NULL;
-
- node = list->next;
- talloc_free (list);
-
- return node;
-}
-
-int
-_active_list_contains (active_list_t *list, const char *identifier)
-{
- active_list_t *node;
-
- if (list == NULL)
- return 0;
-
- for (node = list; node; node = node->next)
- if (strcmp (node->identifier, identifier) == 0)
- return 1;
-
- return 0;
-}
-
-/* Walk over the token list replacing nodes with their expansion.
- * Whenever nodes are expanded the walking will walk over the new
- * nodes, continuing to expand as necessary. The results are placed in
- * 'list' itself;
- */
-static void
-_glcpp_parser_expand_token_list (glcpp_parser_t *parser,
- token_list_t *list)
-{
- token_node_t *node_prev;
- token_node_t *node, *last = NULL;
- token_list_t *expansion;
-
- if (list == NULL)
- return;
-
- _token_list_trim_trailing_space (list);
-
- node_prev = NULL;
- node = list->head;
-
- while (node) {
-
- while (parser->active && parser->active->marker == node)
- parser->active = _active_list_pop (parser->active);
-
- /* Find the expansion for node, which will replace all
- * nodes from node to last, inclusive. */
- expansion = _glcpp_parser_expand_node (parser, node, &last);
- if (expansion) {
- token_node_t *n;
-
- for (n = node; n != last->next; n = n->next)
- while (parser->active &&
- parser->active->marker == n)
- {
- parser->active = _active_list_pop (parser->active);
- }
-
- parser->active = _active_list_push (parser->active,
- node->token->value.str,
- last->next);
-
- /* Splice expansion into list, supporting a
- * simple deletion if the expansion is
- * empty. */
- if (expansion->head) {
- if (node_prev)
- node_prev->next = expansion->head;
- else
- list->head = expansion->head;
- expansion->tail->next = last->next;
- if (last == list->tail)
- list->tail = expansion->tail;
- } else {
- if (node_prev)
- node_prev->next = last->next;
- else
- list->head = last->next;
- if (last == list->tail)
- list->tail = NULL;
- }
- } else {
- node_prev = node;
- }
- node = node_prev ? node_prev->next : list->head;
- }
-
- while (parser->active)
- parser->active = _active_list_pop (parser->active);
-
- list->non_space_tail = list->tail;
-}
-
-void
-_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser,
- token_list_t *list)
-{
- if (list == NULL)
- return;
-
- _glcpp_parser_expand_token_list (parser, list);
-
- _token_list_trim_trailing_space (list);
-
- _token_list_print (parser, list);
-}
-
-static void
-_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc,
- const char *identifier)
-{
- /* According to the GLSL specification, macro names starting with "__"
- * or "GL_" are reserved for future use. So, don't allow them.
- */
- if (strncmp(identifier, "__", 2) == 0) {
- glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n");
- }
- if (strncmp(identifier, "GL_", 3) == 0) {
- glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n");
- }
-}
-
-static int
-_macro_equal (macro_t *a, macro_t *b)
-{
- if (a->is_function != b->is_function)
- return 0;
-
- if (a->is_function) {
- if (! _string_list_equal (a->parameters, b->parameters))
- return 0;
- }
-
- return _token_list_equal_ignoring_space (a->replacements,
- b->replacements);
-}
-
-void
-_define_object_macro (glcpp_parser_t *parser,
- YYLTYPE *loc,
- const char *identifier,
- token_list_t *replacements)
-{
- macro_t *macro, *previous;
-
- if (loc != NULL)
- _check_for_reserved_macro_name(parser, loc, identifier);
-
- macro = talloc (parser, macro_t);
-
- macro->is_function = 0;
- macro->parameters = NULL;
- macro->identifier = talloc_strdup (macro, identifier);
- macro->replacements = talloc_steal (macro, replacements);
-
- previous = hash_table_find (parser->defines, identifier);
- if (previous) {
- if (_macro_equal (macro, previous)) {
- talloc_free (macro);
- return;
- }
- glcpp_warning (loc, parser, "Redefinition of macro %s\n",
- identifier);
- }
-
- hash_table_insert (parser->defines, macro, identifier);
-}
-
-void
-_define_function_macro (glcpp_parser_t *parser,
- YYLTYPE *loc,
- const char *identifier,
- string_list_t *parameters,
- token_list_t *replacements)
-{
- macro_t *macro, *previous;
-
- _check_for_reserved_macro_name(parser, loc, identifier);
-
- macro = talloc (parser, macro_t);
-
- macro->is_function = 1;
- macro->parameters = talloc_steal (macro, parameters);
- macro->identifier = talloc_strdup (macro, identifier);
- macro->replacements = talloc_steal (macro, replacements);
-
- previous = hash_table_find (parser->defines, identifier);
- if (previous) {
- if (_macro_equal (macro, previous)) {
- talloc_free (macro);
- return;
- }
- glcpp_warning (loc, parser, "Redefinition of macro %s\n",
- identifier);
- }
-
- hash_table_insert (parser->defines, macro, identifier);
-}
-
-static int
-glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser)
-{
- token_node_t *node;
- int ret;
-
- if (parser->lex_from_list == NULL) {
- ret = glcpp_lex (yylval, yylloc, parser->scanner);
-
- /* XXX: This ugly block of code exists for the sole
- * purpose of converting a NEWLINE token into a SPACE
- * token, but only in the case where we have seen a
- * function-like macro name, but have not yet seen its
- * closing parenthesis.
- *
- * There's perhaps a more compact way to do this with
- * mid-rule actions in the grammar.
- *
- * I'm definitely not pleased with the complexity of
- * this code here.
- */
- if (parser->newline_as_space)
- {
- if (ret == '(') {
- parser->paren_count++;
- } else if (ret == ')') {
- parser->paren_count--;
- if (parser->paren_count == 0)
- parser->newline_as_space = 0;
- } else if (ret == NEWLINE) {
- ret = SPACE;
- } else if (ret != SPACE) {
- if (parser->paren_count == 0)
- parser->newline_as_space = 0;
- }
- }
- else if (parser->in_control_line)
- {
- if (ret == NEWLINE)
- parser->in_control_line = 0;
- }
- else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC ||
- ret == HASH_UNDEF || ret == HASH_IF ||
- ret == HASH_IFDEF || ret == HASH_IFNDEF ||
- ret == HASH_ELIF || ret == HASH_ELSE ||
- ret == HASH_ENDIF || ret == HASH)
- {
- parser->in_control_line = 1;
- }
- else if (ret == IDENTIFIER)
- {
- macro_t *macro;
- macro = hash_table_find (parser->defines,
- yylval->str);
- if (macro && macro->is_function) {
- parser->newline_as_space = 1;
- parser->paren_count = 0;
- }
- }
-
- return ret;
- }
-
- node = parser->lex_from_node;
-
- if (node == NULL) {
- talloc_free (parser->lex_from_list);
- parser->lex_from_list = NULL;
- return NEWLINE;
- }
-
- *yylval = node->token->value;
- ret = node->token->type;
-
- parser->lex_from_node = node->next;
-
- return ret;
-}
-
-static void
-glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list)
-{
- token_node_t *node;
-
- assert (parser->lex_from_list == NULL);
-
- /* Copy list, eliminating any space tokens. */
- parser->lex_from_list = _token_list_create (parser);
-
- for (node = list->head; node; node = node->next) {
- if (node->token->type == SPACE)
- continue;
- _token_list_append (parser->lex_from_list, node->token);
- }
-
- talloc_free (list);
-
- parser->lex_from_node = parser->lex_from_list->head;
-
- /* It's possible the list consisted of nothing but whitespace. */
- if (parser->lex_from_node == NULL) {
- talloc_free (parser->lex_from_list);
- parser->lex_from_list = NULL;
- }
-}
-
-static void
-_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc,
- int condition)
-{
- skip_type_t current = SKIP_NO_SKIP;
- skip_node_t *node;
-
- if (parser->skip_stack)
- current = parser->skip_stack->type;
-
- node = talloc (parser, skip_node_t);
- node->loc = *loc;
-
- if (current == SKIP_NO_SKIP) {
- if (condition)
- node->type = SKIP_NO_SKIP;
- else
- node->type = SKIP_TO_ELSE;
- } else {
- node->type = SKIP_TO_ENDIF;
- }
-
- node->next = parser->skip_stack;
- parser->skip_stack = node;
-}
-
-static void
-_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc,
- const char *type, int condition)
-{
- if (parser->skip_stack == NULL) {
- glcpp_error (loc, parser, "%s without #if\n", type);
- return;
- }
-
- if (parser->skip_stack->type == SKIP_TO_ELSE) {
- if (condition)
- parser->skip_stack->type = SKIP_NO_SKIP;
- } else {
- parser->skip_stack->type = SKIP_TO_ENDIF;
- }
-}
-
-static void
-_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc)
-{
- skip_node_t *node;
-
- if (parser->skip_stack == NULL) {
- glcpp_error (loc, parser, "#endif without #if\n");
- return;
- }
-
- node = parser->skip_stack;
- parser->skip_stack = node->next;
- talloc_free (node);
-}
-
+/* A Bison parser, made by GNU Bison 2.4.3. */
+
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+
+ Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2009, 2010 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* As a special exception, you may create a larger work that contains
+ part or all of the Bison parser skeleton and distribute that work
+ under terms of your choice, so long as that work isn't itself a
+ parser generator using the skeleton or a modified version thereof
+ as a parser skeleton. Alternatively, if you modify or redistribute
+ the parser skeleton itself, you may (at your option) remove this
+ special exception, which will cause the skeleton and the resulting
+ Bison output files to be licensed under the GNU General Public
+ License without this special exception.
+
+ This special exception was added by the Free Software Foundation in
+ version 2.2 of Bison. */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+ simplifying the original so-called "semantic" parser. */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+/* Identify Bison output. */
+#define YYBISON 1
+
+/* Bison version. */
+#define YYBISON_VERSION "2.4.3"
+
+/* Skeleton name. */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers. */
+#define YYPURE 1
+
+/* Push parsers. */
+#define YYPUSH 0
+
+/* Pull parsers. */
+#define YYPULL 1
+
+/* Using locations. */
+#define YYLSP_NEEDED 1
+
+
+
+/* Copy the first part of user declarations. */
+
+/* Line 189 of yacc.c */
+#line 1 "glcpp/glcpp-parse.y"
+
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <inttypes.h>
+
+#include "glcpp.h"
+#include "main/core.h" /* for struct gl_extensions */
+#include "main/mtypes.h" /* for gl_api enum */
+
+#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str)
+#define glcpp_printf(stream, fmt, args, ...) \
+ stream = talloc_asprintf_append(stream, fmt, args)
+
+static void
+yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error);
+
+static void
+_define_object_macro (glcpp_parser_t *parser,
+ YYLTYPE *loc,
+ const char *macro,
+ token_list_t *replacements);
+
+static void
+_define_function_macro (glcpp_parser_t *parser,
+ YYLTYPE *loc,
+ const char *macro,
+ string_list_t *parameters,
+ token_list_t *replacements);
+
+static string_list_t *
+_string_list_create (void *ctx);
+
+static void
+_string_list_append_item (string_list_t *list, const char *str);
+
+static int
+_string_list_contains (string_list_t *list, const char *member, int *index);
+
+static int
+_string_list_length (string_list_t *list);
+
+static int
+_string_list_equal (string_list_t *a, string_list_t *b);
+
+static argument_list_t *
+_argument_list_create (void *ctx);
+
+static void
+_argument_list_append (argument_list_t *list, token_list_t *argument);
+
+static int
+_argument_list_length (argument_list_t *list);
+
+static token_list_t *
+_argument_list_member_at (argument_list_t *list, int index);
+
+/* Note: This function talloc_steal()s the str pointer. */
+static token_t *
+_token_create_str (void *ctx, int type, char *str);
+
+static token_t *
+_token_create_ival (void *ctx, int type, int ival);
+
+static token_list_t *
+_token_list_create (void *ctx);
+
+/* Note: This function calls talloc_steal on token. */
+static void
+_token_list_append (token_list_t *list, token_t *token);
+
+static void
+_token_list_append_list (token_list_t *list, token_list_t *tail);
+
+static int
+_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b);
+
+static active_list_t *
+_active_list_push (active_list_t *list,
+ const char *identifier,
+ token_node_t *marker);
+
+static active_list_t *
+_active_list_pop (active_list_t *list);
+
+int
+_active_list_contains (active_list_t *list, const char *identifier);
+
+static void
+_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list);
+
+static void
+_glcpp_parser_expand_token_list (glcpp_parser_t *parser,
+ token_list_t *list);
+
+static void
+_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser,
+ token_list_t *list);
+
+static void
+_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc,
+ int condition);
+
+static void
+_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc,
+ const char *type, int condition);
+
+static void
+_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc);
+
+#define yylex glcpp_parser_lex
+
+static int
+glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser);
+
+static void
+glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list);
+
+static void
+add_builtin_define(glcpp_parser_t *parser, const char *name, int value);
+
+
+
+/* Line 189 of yacc.c */
+#line 220 "glcpp/glcpp-parse.c"
+
+/* Enabling traces. */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+/* Enabling verbose error messages. */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 1
+#endif
+
+/* Enabling the token table. */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 0
+#endif
+
+
+/* Tokens. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ /* Put the tokens into the symbol table, so that GDB and other debuggers
+ know about them. */
+ enum yytokentype {
+ COMMA_FINAL = 258,
+ DEFINED = 259,
+ ELIF_EXPANDED = 260,
+ HASH = 261,
+ HASH_DEFINE_FUNC = 262,
+ HASH_DEFINE_OBJ = 263,
+ HASH_ELIF = 264,
+ HASH_ELSE = 265,
+ HASH_ENDIF = 266,
+ HASH_IF = 267,
+ HASH_IFDEF = 268,
+ HASH_IFNDEF = 269,
+ HASH_UNDEF = 270,
+ HASH_VERSION = 271,
+ IDENTIFIER = 272,
+ IF_EXPANDED = 273,
+ INTEGER = 274,
+ INTEGER_STRING = 275,
+ NEWLINE = 276,
+ OTHER = 277,
+ PLACEHOLDER = 278,
+ SPACE = 279,
+ PASTE = 280,
+ OR = 281,
+ AND = 282,
+ NOT_EQUAL = 283,
+ EQUAL = 284,
+ GREATER_OR_EQUAL = 285,
+ LESS_OR_EQUAL = 286,
+ RIGHT_SHIFT = 287,
+ LEFT_SHIFT = 288,
+ UNARY = 289
+ };
+#endif
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
+typedef struct YYLTYPE
+{
+ int first_line;
+ int first_column;
+ int last_line;
+ int last_column;
+} YYLTYPE;
+# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
+# define YYLTYPE_IS_DECLARED 1
+# define YYLTYPE_IS_TRIVIAL 1
+#endif
+
+
+/* Copy the second part of user declarations. */
+
+
+/* Line 264 of yacc.c */
+#line 308 "glcpp/glcpp-parse.c"
+
+#ifdef short
+# undef short
+#endif
+
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
+#endif
+
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#elif (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+typedef signed char yytype_int8;
+#else
+typedef short int yytype_int8;
+#endif
+
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
+
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
+#endif
+
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+# define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+# define YYSIZE_T size_t
+# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# else
+# define YYSIZE_T unsigned int
+# endif
+#endif
+
+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
+
+#ifndef YY_
+# if defined YYENABLE_NLS && YYENABLE_NLS
+# if ENABLE_NLS
+# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+# define YY_(msgid) dgettext ("bison-runtime", msgid)
+# endif
+# endif
+# ifndef YY_
+# define YY_(msgid) msgid
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E. */
+#if ! defined lint || defined __GNUC__
+# define YYUSE(e) ((void) (e))
+#else
+# define YYUSE(e) /* empty */
+#endif
+
+/* Identity function, used to suppress warnings about constant conditions. */
+#ifndef lint
+# define YYID(n) (n)
+#else
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static int
+YYID (int yyi)
+#else
+static int
+YYID (yyi)
+ int yyi;
+#endif
+{
+ return yyi;
+}
+#endif
+
+#if ! defined yyoverflow || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# ifdef YYSTACK_USE_ALLOCA
+# if YYSTACK_USE_ALLOCA
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# elif defined __BUILTIN_VA_ARG_INCR
+# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+# elif defined _AIX
+# define YYSTACK_ALLOC __alloca
+# elif defined _MSC_VER
+# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+# define alloca _alloca
+# else
+# define YYSTACK_ALLOC alloca
+# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
+# ifndef YYSTACK_ALLOC_MAXIMUM
+ /* The OS might guarantee only one guard page at the bottom of the stack,
+ and a page size can be as small as 4096 bytes. So we cannot safely
+ invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
+ to allow for a few compiler-allocated temporary stack slots. */
+# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+# endif
+# else
+# define YYSTACK_ALLOC YYMALLOC
+# define YYSTACK_FREE YYFREE
+# ifndef YYSTACK_ALLOC_MAXIMUM
+# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+# endif
+# if (defined __cplusplus && ! defined _STDLIB_H \
+ && ! ((defined YYMALLOC || defined malloc) \
+ && (defined YYFREE || defined free)))
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# ifndef YYFREE
+# define YYFREE free
+# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# endif
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
+
+
+#if (! defined yyoverflow \
+ && (! defined __cplusplus \
+ || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
+ && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ yytype_int16 yyss_alloc;
+ YYSTYPE yyvs_alloc;
+ YYLTYPE yyls_alloc;
+};
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+ + 2 * YYSTACK_GAP_MAXIMUM)
+
+/* Copy COUNT objects from FROM to TO. The source and destination do
+ not overlap. */
+# ifndef YYCOPY
+# if defined __GNUC__ && 1 < __GNUC__
+# define YYCOPY(To, From, Count) \
+ __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+# else
+# define YYCOPY(To, From, Count) \
+ do \
+ { \
+ YYSIZE_T yyi; \
+ for (yyi = 0; yyi < (Count); yyi++) \
+ (To)[yyi] = (From)[yyi]; \
+ } \
+ while (YYID (0))
+# endif
+# endif
+
+/* Relocate STACK from its old location to the new one. The
+ local variables YYSIZE and YYSTACKSIZE give the old and new number of
+ elements in the stack, and YYPTR gives the new location of the
+ stack. Advance YYPTR to a properly aligned location for the next
+ stack. */
+# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
+ Stack = &yyptr->Stack_alloc; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
+ while (YYID (0))
+
+#endif
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL 2
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 606
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 57
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 17
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 101
+/* YYNRULES -- Number of states. */
+#define YYNSTATES 162
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
+#define YYUNDEFTOK 2
+#define YYMAXUTOK 289
+
+#define YYTRANSLATE(YYX) \
+ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
+static const yytype_uint8 yytranslate[] =
+{
+ 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 47, 2, 2, 2, 43, 30, 2,
+ 45, 46, 41, 39, 49, 40, 54, 42, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 55,
+ 33, 56, 34, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 50, 2, 51, 29, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 52, 28, 53, 48, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
+ 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+ 25, 26, 27, 31, 32, 35, 36, 37, 38, 44
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+ YYRHS. */
+static const yytype_uint16 yyprhs[] =
+{
+ 0, 0, 3, 4, 7, 9, 11, 13, 16, 20,
+ 24, 29, 36, 44, 48, 52, 55, 60, 65, 69,
+ 72, 75, 78, 82, 85, 87, 89, 91, 95, 99,
+ 103, 107, 111, 115, 119, 123, 127, 131, 135, 139,
+ 143, 147, 151, 155, 159, 163, 166, 169, 172, 175,
+ 179, 181, 185, 187, 190, 193, 194, 196, 197, 199,
+ 202, 207, 209, 211, 214, 216, 219, 221, 223, 225,
+ 227, 229, 231, 233, 235, 237, 239, 241, 243, 245,
+ 247, 249, 251, 253, 255, 257, 259, 261, 263, 265,
+ 267, 269, 271, 273, 275, 277, 279, 281, 283, 285,
+ 287, 289
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yytype_int8 yyrhs[] =
+{
+ 58, 0, -1, -1, 58, 59, -1, 61, -1, 65,
+ -1, 60, -1, 6, 66, -1, 18, 63, 21, -1,
+ 5, 63, 21, -1, 8, 17, 67, 21, -1, 7,
+ 17, 45, 46, 67, 21, -1, 7, 17, 45, 64,
+ 46, 67, 21, -1, 15, 17, 21, -1, 12, 70,
+ 21, -1, 12, 21, -1, 13, 17, 68, 21, -1,
+ 14, 17, 68, 21, -1, 9, 70, 21, -1, 9,
+ 21, -1, 10, 21, -1, 11, 21, -1, 16, 62,
+ 21, -1, 6, 21, -1, 20, -1, 19, -1, 62,
+ -1, 63, 26, 63, -1, 63, 27, 63, -1, 63,
+ 28, 63, -1, 63, 29, 63, -1, 63, 30, 63,
+ -1, 63, 31, 63, -1, 63, 32, 63, -1, 63,
+ 35, 63, -1, 63, 36, 63, -1, 63, 34, 63,
+ -1, 63, 33, 63, -1, 63, 37, 63, -1, 63,
+ 38, 63, -1, 63, 40, 63, -1, 63, 39, 63,
+ -1, 63, 43, 63, -1, 63, 42, 63, -1, 63,
+ 41, 63, -1, 47, 63, -1, 48, 63, -1, 40,
+ 63, -1, 39, 63, -1, 45, 63, 46, -1, 17,
+ -1, 64, 49, 17, -1, 21, -1, 71, 21, -1,
+ 71, 21, -1, -1, 71, -1, -1, 71, -1, 4,
+ 17, -1, 4, 45, 17, 46, -1, 72, -1, 69,
+ -1, 70, 69, -1, 72, -1, 71, 72, -1, 17,
+ -1, 20, -1, 73, -1, 22, -1, 24, -1, 50,
+ -1, 51, -1, 45, -1, 46, -1, 52, -1, 53,
+ -1, 54, -1, 30, -1, 41, -1, 39, -1, 40,
+ -1, 48, -1, 47, -1, 42, -1, 43, -1, 38,
+ -1, 37, -1, 33, -1, 34, -1, 36, -1, 35,
+ -1, 32, -1, 31, -1, 29, -1, 28, -1, 27,
+ -1, 26, -1, 55, -1, 49, -1, 56, -1, 25,
+ -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const yytype_uint16 yyrline[] =
+{
+ 0, 185, 185, 187, 191, 194, 199, 200, 204, 207,
+ 213, 216, 219, 222, 230, 249, 259, 264, 269, 288,
+ 303, 306, 309, 330, 334, 343, 348, 349, 352, 355,
+ 358, 361, 364, 367, 370, 373, 376, 379, 382, 385,
+ 388, 391, 394, 397, 405, 408, 411, 414, 417, 420,
+ 426, 431, 439, 440, 444, 450, 451, 454, 456, 463,
+ 467, 471, 476, 480, 487, 492, 499, 503, 507, 511,
+ 515, 522, 523, 524, 525, 526, 527, 528, 529, 530,
+ 531, 532, 533, 534, 535, 536, 537, 538, 539, 540,
+ 541, 542, 543, 544, 545, 546, 547, 548, 549, 550,
+ 551, 552
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ "$end", "error", "$undefined", "COMMA_FINAL", "DEFINED",
+ "ELIF_EXPANDED", "HASH", "HASH_DEFINE_FUNC", "HASH_DEFINE_OBJ",
+ "HASH_ELIF", "HASH_ELSE", "HASH_ENDIF", "HASH_IF", "HASH_IFDEF",
+ "HASH_IFNDEF", "HASH_UNDEF", "HASH_VERSION", "IDENTIFIER", "IF_EXPANDED",
+ "INTEGER", "INTEGER_STRING", "NEWLINE", "OTHER", "PLACEHOLDER", "SPACE",
+ "PASTE", "OR", "AND", "'|'", "'^'", "'&'", "NOT_EQUAL", "EQUAL", "'<'",
+ "'>'", "GREATER_OR_EQUAL", "LESS_OR_EQUAL", "RIGHT_SHIFT", "LEFT_SHIFT",
+ "'+'", "'-'", "'*'", "'/'", "'%'", "UNARY", "'('", "')'", "'!'", "'~'",
+ "','", "'['", "']'", "'{'", "'}'", "'.'", "';'", "'='", "$accept",
+ "input", "line", "expanded_line", "control_line", "integer_constant",
+ "expression", "identifier_list", "text_line", "non_directive",
+ "replacement_list", "junk", "conditional_token", "conditional_tokens",
+ "pp_tokens", "preprocessing_token", "operator", 0
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+ token YYLEX-NUM. */
+static const yytype_uint16 yytoknum[] =
+{
+ 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
+ 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
+ 275, 276, 277, 278, 279, 280, 281, 282, 124, 94,
+ 38, 283, 284, 60, 62, 285, 286, 287, 288, 43,
+ 45, 42, 47, 37, 289, 40, 41, 33, 126, 44,
+ 91, 93, 123, 125, 46, 59, 61
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const yytype_uint8 yyr1[] =
+{
+ 0, 57, 58, 58, 59, 59, 59, 59, 60, 60,
+ 61, 61, 61, 61, 61, 61, 61, 61, 61, 61,
+ 61, 61, 61, 61, 62, 62, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
+ 64, 64, 65, 65, 66, 67, 67, 68, 68, 69,
+ 69, 69, 70, 70, 71, 71, 72, 72, 72, 72,
+ 72, 73, 73, 73, 73, 73, 73, 73, 73, 73,
+ 73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
+ 73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
+ 73, 73
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const yytype_uint8 yyr2[] =
+{
+ 0, 2, 0, 2, 1, 1, 1, 2, 3, 3,
+ 4, 6, 7, 3, 3, 2, 4, 4, 3, 2,
+ 2, 2, 3, 2, 1, 1, 1, 3, 3, 3,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 3, 3, 3, 3, 3, 2, 2, 2, 2, 3,
+ 1, 3, 1, 2, 2, 0, 1, 0, 1, 2,
+ 4, 1, 1, 2, 1, 2, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+ STATE-NUM when YYTABLE doesn't specify something else to do. Zero
+ means the default is an error. */
+static const yytype_uint8 yydefact[] =
+{
+ 2, 0, 1, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 66, 0, 67, 52, 69,
+ 70, 101, 97, 96, 95, 94, 78, 93, 92, 88,
+ 89, 91, 90, 87, 86, 80, 81, 79, 84, 85,
+ 73, 74, 83, 82, 99, 71, 72, 75, 76, 77,
+ 98, 100, 3, 6, 4, 5, 0, 64, 68, 25,
+ 24, 0, 0, 0, 0, 0, 26, 0, 23, 7,
+ 0, 0, 55, 0, 19, 62, 0, 61, 20, 21,
+ 15, 0, 57, 57, 0, 0, 0, 53, 65, 48,
+ 47, 0, 45, 46, 9, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 54, 0, 0, 56, 59, 0, 18,
+ 63, 14, 0, 58, 0, 13, 22, 8, 49, 27,
+ 28, 29, 30, 31, 32, 33, 37, 36, 34, 35,
+ 38, 39, 41, 40, 44, 43, 42, 50, 55, 0,
+ 10, 0, 16, 17, 0, 55, 0, 60, 11, 0,
+ 51, 12
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yytype_int16 yydefgoto[] =
+{
+ -1, 1, 52, 53, 54, 66, 67, 149, 55, 69,
+ 115, 122, 75, 76, 116, 57, 58
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+#define YYPACT_NINF -147
+static const yytype_int16 yypact[] =
+{
+ -147, 112, -147, 28, -10, 55, 62, 152, -15, 59,
+ 192, 85, 86, 87, 51, -147, 28, -147, -147, -147,
+ -147, -147, -147, -147, -147, -147, -147, -147, -147, -147,
+ -147, -147, -147, -147, -147, -147, -147, -147, -147, -147,
+ -147, -147, -147, -147, -147, -147, -147, -147, -147, -147,
+ -147, -147, -147, -147, -147, -147, 312, -147, -147, -147,
+ -147, 28, 28, 28, 28, 28, -147, 428, -147, -147,
+ 352, 63, 392, 17, -147, -147, 232, -147, -147, -147,
+ -147, 272, 392, 392, 84, 89, 451, -147, -147, -147,
+ -147, 469, -147, -147, -147, 28, 28, 28, 28, 28,
+ 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
+ 28, 28, 28, -147, 60, 90, 392, -147, 96, -147,
+ -147, -147, 93, 392, 94, -147, -147, -147, -147, 489,
+ 505, 520, 534, 547, 558, 558, 18, 18, 18, 18,
+ 563, 563, 23, 23, -147, -147, -147, -147, 392, 32,
+ -147, 61, -147, -147, 110, 392, 118, -147, -147, 149,
+ -147, -147
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const yytype_int16 yypgoto[] =
+{
+ -147, -147, -147, -147, -147, 157, -11, -147, -147, -147,
+ -146, 92, -68, 200, 0, -7, -147
+};
+
+/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
+ positive, shift that token. If negative, reduce the rule which
+ number is the opposite. If zero, do what YYDEFACT says.
+ If YYTABLE_NINF, syntax error. */
+#define YYTABLE_NINF -1
+static const yytype_uint8 yytable[] =
+{
+ 77, 56, 154, 77, 70, 86, 78, 15, 120, 159,
+ 17, 68, 19, 120, 20, 21, 22, 23, 24, 25,
+ 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
+ 36, 37, 38, 39, 117, 40, 41, 42, 43, 44,
+ 45, 46, 47, 48, 49, 50, 51, 59, 60, 88,
+ 89, 90, 91, 92, 93, 106, 107, 108, 109, 110,
+ 111, 112, 118, 88, 110, 111, 112, 61, 62, 77,
+ 59, 60, 71, 63, 77, 64, 65, 147, 155, 72,
+ 79, 156, 123, 123, 129, 130, 131, 132, 133, 134,
+ 135, 136, 137, 138, 139, 140, 141, 142, 143, 144,
+ 145, 146, 82, 83, 84, 125, 148, 157, 114, 88,
+ 126, 150, 2, 151, 152, 153, 88, 3, 4, 5,
+ 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 158, 17, 18, 19, 160, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 73, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
+ 161, 85, 17, 74, 19, 124, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 73, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
+ 81, 0, 17, 80, 19, 0, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 73, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
+ 0, 0, 17, 119, 19, 0, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 73, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
+ 0, 0, 17, 121, 19, 0, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 0, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
+ 0, 0, 17, 87, 19, 0, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 0, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
+ 0, 0, 17, 113, 19, 0, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 0, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, 15,
+ 0, 0, 17, 0, 19, 0, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 0, 40, 41, 42,
+ 43, 44, 45, 46, 47, 48, 49, 50, 51, 94,
+ 0, 0, 0, 0, 95, 96, 97, 98, 99, 100,
+ 101, 102, 103, 104, 105, 106, 107, 108, 109, 110,
+ 111, 112, 127, 0, 0, 0, 0, 95, 96, 97,
+ 98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
+ 108, 109, 110, 111, 112, 95, 96, 97, 98, 99,
+ 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+ 110, 111, 112, 0, 0, 128, 96, 97, 98, 99,
+ 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+ 110, 111, 112, 97, 98, 99, 100, 101, 102, 103,
+ 104, 105, 106, 107, 108, 109, 110, 111, 112, 98,
+ 99, 100, 101, 102, 103, 104, 105, 106, 107, 108,
+ 109, 110, 111, 112, 99, 100, 101, 102, 103, 104,
+ 105, 106, 107, 108, 109, 110, 111, 112, 100, 101,
+ 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
+ 112, 102, 103, 104, 105, 106, 107, 108, 109, 110,
+ 111, 112, 108, 109, 110, 111, 112
+};
+
+static const yytype_int16 yycheck[] =
+{
+ 7, 1, 148, 10, 4, 16, 21, 17, 76, 155,
+ 20, 21, 22, 81, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 17, 45, 46, 47, 48, 49,
+ 50, 51, 52, 53, 54, 55, 56, 19, 20, 56,
+ 61, 62, 63, 64, 65, 37, 38, 39, 40, 41,
+ 42, 43, 45, 70, 41, 42, 43, 39, 40, 76,
+ 19, 20, 17, 45, 81, 47, 48, 17, 46, 17,
+ 21, 49, 82, 83, 95, 96, 97, 98, 99, 100,
+ 101, 102, 103, 104, 105, 106, 107, 108, 109, 110,
+ 111, 112, 17, 17, 17, 21, 46, 46, 45, 116,
+ 21, 21, 0, 17, 21, 21, 123, 5, 6, 7,
+ 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+ 18, 21, 20, 21, 22, 17, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, 4, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
+ 21, 14, 20, 21, 22, 83, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, 4, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
+ 10, -1, 20, 21, 22, -1, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, 4, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
+ -1, -1, 20, 21, 22, -1, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, 4, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
+ -1, -1, 20, 21, 22, -1, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, -1, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
+ -1, -1, 20, 21, 22, -1, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, -1, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
+ -1, -1, 20, 21, 22, -1, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, -1, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55, 56, 17,
+ -1, -1, 20, -1, 22, -1, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41, 42, 43, -1, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55, 56, 21,
+ -1, -1, -1, -1, 26, 27, 28, 29, 30, 31,
+ 32, 33, 34, 35, 36, 37, 38, 39, 40, 41,
+ 42, 43, 21, -1, -1, -1, -1, 26, 27, 28,
+ 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
+ 39, 40, 41, 42, 43, 26, 27, 28, 29, 30,
+ 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+ 41, 42, 43, -1, -1, 46, 27, 28, 29, 30,
+ 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+ 41, 42, 43, 28, 29, 30, 31, 32, 33, 34,
+ 35, 36, 37, 38, 39, 40, 41, 42, 43, 29,
+ 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 30, 31, 32, 33, 34, 35,
+ 36, 37, 38, 39, 40, 41, 42, 43, 31, 32,
+ 33, 34, 35, 36, 37, 38, 39, 40, 41, 42,
+ 43, 33, 34, 35, 36, 37, 38, 39, 40, 41,
+ 42, 43, 39, 40, 41, 42, 43
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+ symbol of state STATE-NUM. */
+static const yytype_uint8 yystos[] =
+{
+ 0, 58, 0, 5, 6, 7, 8, 9, 10, 11,
+ 12, 13, 14, 15, 16, 17, 18, 20, 21, 22,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
+ 45, 46, 47, 48, 49, 50, 51, 52, 53, 54,
+ 55, 56, 59, 60, 61, 65, 71, 72, 73, 19,
+ 20, 39, 40, 45, 47, 48, 62, 63, 21, 66,
+ 71, 17, 17, 4, 21, 69, 70, 72, 21, 21,
+ 21, 70, 17, 17, 17, 62, 63, 21, 72, 63,
+ 63, 63, 63, 63, 21, 26, 27, 28, 29, 30,
+ 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+ 41, 42, 43, 21, 45, 67, 71, 17, 45, 21,
+ 69, 21, 68, 71, 68, 21, 21, 21, 46, 63,
+ 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
+ 63, 63, 63, 63, 63, 63, 63, 17, 46, 64,
+ 21, 17, 21, 21, 67, 46, 49, 46, 21, 67,
+ 17, 21
+};
+
+#define yyerrok (yyerrstatus = 0)
+#define yyclearin (yychar = YYEMPTY)
+#define YYEMPTY (-2)
+#define YYEOF 0
+
+#define YYACCEPT goto yyacceptlab
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrorlab
+
+
+/* Like YYERROR except do call yyerror. This remains here temporarily
+ to ease the transition to the new meaning of YYERROR, for GCC.
+ Once GCC version 2 has supplanted version 1, this can go. However,
+ YYFAIL appears to be in use. Nevertheless, it is formally deprecated
+ in Bison 2.4.2's NEWS entry, where a plan to phase it out is
+ discussed. */
+
+#define YYFAIL goto yyerrlab
+#if defined YYFAIL
+ /* This is here to suppress warnings from the GCC cpp's
+ -Wunused-macros. Normally we don't worry about that warning, but
+ some users do, and we want to make it easy for users to remove
+ YYFAIL uses, which will produce warnings from Bison 2.5. */
+#endif
+
+#define YYRECOVERING() (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value) \
+do \
+ if (yychar == YYEMPTY && yylen == 1) \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ yytoken = YYTRANSLATE (yychar); \
+ YYPOPSTACK (1); \
+ goto yybackup; \
+ } \
+ else \
+ { \
+ yyerror (&yylloc, parser, YY_("syntax error: cannot back up")); \
+ YYERROR; \
+ } \
+while (YYID (0))
+
+
+#define YYTERROR 1
+#define YYERRCODE 256
+
+
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+ If N is 0, then set CURRENT to the empty location which ends
+ the previous symbol: RHS[0] (always defined). */
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ do \
+ if (YYID (N)) \
+ { \
+ (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
+ (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
+ (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
+ (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
+ } \
+ else \
+ { \
+ (Current).first_line = (Current).last_line = \
+ YYRHSLOC (Rhs, 0).last_line; \
+ (Current).first_column = (Current).last_column = \
+ YYRHSLOC (Rhs, 0).last_column; \
+ } \
+ while (YYID (0))
+#endif
+
+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+ This macro was not mandated originally: define only if we know
+ we won't break user code: when these are the locations we know. */
+
+#ifndef YY_LOCATION_PRINT
+# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
+# define YY_LOCATION_PRINT(File, Loc) \
+ fprintf (File, "%d.%d-%d.%d", \
+ (Loc).first_line, (Loc).first_column, \
+ (Loc).last_line, (Loc).last_column)
+# else
+# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
+#endif
+
+
+/* YYLEX -- calling `yylex' with the right arguments. */
+
+#ifdef YYLEX_PARAM
+# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
+#else
+# define YYLEX yylex (&yylval, &yylloc, parser)
+#endif
+
+/* Enable debugging if requested. */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
+} while (YYID (0))
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yy_symbol_print (stderr, \
+ Type, Value, Location, parser); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (YYID (0))
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser)
+#else
+static void
+yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser)
+ FILE *yyoutput;
+ int yytype;
+ YYSTYPE const * const yyvaluep;
+ YYLTYPE const * const yylocationp;
+ glcpp_parser_t *parser;
+#endif
+{
+ if (!yyvaluep)
+ return;
+ YYUSE (yylocationp);
+ YYUSE (parser);
+# ifdef YYPRINT
+ if (yytype < YYNTOKENS)
+ YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# else
+ YYUSE (yyoutput);
+# endif
+ switch (yytype)
+ {
+ default:
+ break;
+ }
+}
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, glcpp_parser_t *parser)
+#else
+static void
+yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp, parser)
+ FILE *yyoutput;
+ int yytype;
+ YYSTYPE const * const yyvaluep;
+ YYLTYPE const * const yylocationp;
+ glcpp_parser_t *parser;
+#endif
+{
+ if (yytype < YYNTOKENS)
+ YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+ else
+ YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
+
+ YY_LOCATION_PRINT (yyoutput, *yylocationp);
+ YYFPRINTF (yyoutput, ": ");
+ yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, parser);
+ YYFPRINTF (yyoutput, ")");
+}
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included). |
+`------------------------------------------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
+#else
+static void
+yy_stack_print (yybottom, yytop)
+ yytype_int16 *yybottom;
+ yytype_int16 *yytop;
+#endif
+{
+ YYFPRINTF (stderr, "Stack now");
+ for (; yybottom <= yytop; yybottom++)
+ {
+ int yybot = *yybottom;
+ YYFPRINTF (stderr, " %d", yybot);
+ }
+ YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top) \
+do { \
+ if (yydebug) \
+ yy_stack_print ((Bottom), (Top)); \
+} while (YYID (0))
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced. |
+`------------------------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule, glcpp_parser_t *parser)
+#else
+static void
+yy_reduce_print (yyvsp, yylsp, yyrule, parser)
+ YYSTYPE *yyvsp;
+ YYLTYPE *yylsp;
+ int yyrule;
+ glcpp_parser_t *parser;
+#endif
+{
+ int yynrhs = yyr2[yyrule];
+ int yyi;
+ unsigned long int yylno = yyrline[yyrule];
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
+ yyrule - 1, yylno);
+ /* The symbols being reduced. */
+ for (yyi = 0; yyi < yynrhs; yyi++)
+ {
+ YYFPRINTF (stderr, " $%d = ", yyi + 1);
+ yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
+ &(yyvsp[(yyi + 1) - (yynrhs)])
+ , &(yylsp[(yyi + 1) - (yynrhs)]) , parser);
+ YYFPRINTF (stderr, "\n");
+ }
+}
+
+# define YY_REDUCE_PRINT(Rule) \
+do { \
+ if (yydebug) \
+ yy_reduce_print (yyvsp, yylsp, Rule, parser); \
+} while (YYID (0))
+
+/* Nonzero means print parse trace. It is left uninitialized so that
+ multiple parsers can coexist. */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks. */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used).
+
+ Do not make this value too large; the results are undefined if
+ YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+# if defined __GLIBC__ && defined _STRING_H
+# define yystrlen strlen
+# else
+/* Return the length of YYSTR. */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static YYSIZE_T
+yystrlen (const char *yystr)
+#else
+static YYSIZE_T
+yystrlen (yystr)
+ const char *yystr;
+#endif
+{
+ YYSIZE_T yylen;
+ for (yylen = 0; yystr[yylen]; yylen++)
+ continue;
+ return yylen;
+}
+# endif
+# endif
+
+# ifndef yystpcpy
+# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
+# define yystpcpy stpcpy
+# else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+ YYDEST. */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static char *
+yystpcpy (char *yydest, const char *yysrc)
+#else
+static char *
+yystpcpy (yydest, yysrc)
+ char *yydest;
+ const char *yysrc;
+#endif
+{
+ char *yyd = yydest;
+ const char *yys = yysrc;
+
+ while ((*yyd++ = *yys++) != '\0')
+ continue;
+
+ return yyd - 1;
+}
+# endif
+# endif
+
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+ quotes and backslashes, so that it's suitable for yyerror. The
+ heuristic is that double-quoting is unnecessary unless the string
+ contains an apostrophe, a comma, or backslash (other than
+ backslash-backslash). YYSTR is taken from yytname. If YYRES is
+ null, do not copy; instead, return the length of what the result
+ would have been. */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+ if (*yystr == '"')
+ {
+ YYSIZE_T yyn = 0;
+ char const *yyp = yystr;
+
+ for (;;)
+ switch (*++yyp)
+ {
+ case '\'':
+ case ',':
+ goto do_not_strip_quotes;
+
+ case '\\':
+ if (*++yyp != '\\')
+ goto do_not_strip_quotes;
+ /* Fall through. */
+ default:
+ if (yyres)
+ yyres[yyn] = *yyp;
+ yyn++;
+ break;
+
+ case '"':
+ if (yyres)
+ yyres[yyn] = '\0';
+ return yyn;
+ }
+ do_not_strip_quotes: ;
+ }
+
+ if (! yyres)
+ return yystrlen (yystr);
+
+ return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+/* Copy into YYRESULT an error message about the unexpected token
+ YYCHAR while in state YYSTATE. Return the number of bytes copied,
+ including the terminating null byte. If YYRESULT is null, do not
+ copy anything; just return the number of bytes that would be
+ copied. As a special case, return 0 if an ordinary "syntax error"
+ message will do. Return YYSIZE_MAXIMUM if overflow occurs during
+ size calculation. */
+static YYSIZE_T
+yysyntax_error (char *yyresult, int yystate, int yychar)
+{
+ int yyn = yypact[yystate];
+
+ if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
+ return 0;
+ else
+ {
+ int yytype = YYTRANSLATE (yychar);
+ YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+ YYSIZE_T yysize = yysize0;
+ YYSIZE_T yysize1;
+ int yysize_overflow = 0;
+ enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+ char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+ int yyx;
+
+# if 0
+ /* This is so xgettext sees the translatable formats that are
+ constructed on the fly. */
+ YY_("syntax error, unexpected %s");
+ YY_("syntax error, unexpected %s, expecting %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+# endif
+ char *yyfmt;
+ char const *yyf;
+ static char const yyunexpected[] = "syntax error, unexpected %s";
+ static char const yyexpecting[] = ", expecting %s";
+ static char const yyor[] = " or %s";
+ char yyformat[sizeof yyunexpected
+ + sizeof yyexpecting - 1
+ + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+ * (sizeof yyor - 1))];
+ char const *yyprefix = yyexpecting;
+
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = YYLAST - yyn + 1;
+ int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+ int yycount = 1;
+
+ yyarg[0] = yytname[yytype];
+ yyfmt = yystpcpy (yyformat, yyunexpected);
+
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+ {
+ yycount = 1;
+ yysize = yysize0;
+ yyformat[sizeof yyunexpected - 1] = '\0';
+ break;
+ }
+ yyarg[yycount++] = yytname[yyx];
+ yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+ yysize_overflow |= (yysize1 < yysize);
+ yysize = yysize1;
+ yyfmt = yystpcpy (yyfmt, yyprefix);
+ yyprefix = yyor;
+ }
+
+ yyf = YY_(yyformat);
+ yysize1 = yysize + yystrlen (yyf);
+ yysize_overflow |= (yysize1 < yysize);
+ yysize = yysize1;
+
+ if (yysize_overflow)
+ return YYSIZE_MAXIMUM;
+
+ if (yyresult)
+ {
+ /* Avoid sprintf, as that infringes on the user's name space.
+ Don't have undefined behavior even if the translation
+ produced a string with the wrong number of "%s"s. */
+ char *yyp = yyresult;
+ int yyi = 0;
+ while ((*yyp = *yyf) != '\0')
+ {
+ if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+ {
+ yyp += yytnamerr (yyp, yyarg[yyi++]);
+ yyf += 2;
+ }
+ else
+ {
+ yyp++;
+ yyf++;
+ }
+ }
+ }
+ return yysize;
+ }
+}
+#endif /* YYERROR_VERBOSE */
+
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp, glcpp_parser_t *parser)
+#else
+static void
+yydestruct (yymsg, yytype, yyvaluep, yylocationp, parser)
+ const char *yymsg;
+ int yytype;
+ YYSTYPE *yyvaluep;
+ YYLTYPE *yylocationp;
+ glcpp_parser_t *parser;
+#endif
+{
+ YYUSE (yyvaluep);
+ YYUSE (yylocationp);
+ YYUSE (parser);
+
+ if (!yymsg)
+ yymsg = "Deleting";
+ YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+ switch (yytype)
+ {
+
+ default:
+ break;
+ }
+}
+
+/* Prevent warnings from -Wmissing-prototypes. */
+#ifdef YYPARSE_PARAM
+#if defined __STDC__ || defined __cplusplus
+int yyparse (void *YYPARSE_PARAM);
+#else
+int yyparse ();
+#endif
+#else /* ! YYPARSE_PARAM */
+#if defined __STDC__ || defined __cplusplus
+int yyparse (glcpp_parser_t *parser);
+#else
+int yyparse ();
+#endif
+#endif /* ! YYPARSE_PARAM */
+
+
+
+
+
+/*-------------------------.
+| yyparse or yypush_parse. |
+`-------------------------*/
+
+#ifdef YYPARSE_PARAM
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (void *YYPARSE_PARAM)
+#else
+int
+yyparse (YYPARSE_PARAM)
+ void *YYPARSE_PARAM;
+#endif
+#else /* ! YYPARSE_PARAM */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (glcpp_parser_t *parser)
+#else
+int
+yyparse (parser)
+ glcpp_parser_t *parser;
+#endif
+#endif
+{
+/* The lookahead symbol. */
+int yychar;
+
+/* The semantic value of the lookahead symbol. */
+YYSTYPE yylval;
+
+/* Location data for the lookahead symbol. */
+YYLTYPE yylloc;
+
+ /* Number of syntax errors so far. */
+ int yynerrs;
+
+ int yystate;
+ /* Number of tokens to shift before error messages enabled. */
+ int yyerrstatus;
+
+ /* The stacks and their tools:
+ `yyss': related to states.
+ `yyvs': related to semantic values.
+ `yyls': related to locations.
+
+ Refer to the stacks thru separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* The state stack. */
+ yytype_int16 yyssa[YYINITDEPTH];
+ yytype_int16 *yyss;
+ yytype_int16 *yyssp;
+
+ /* The semantic value stack. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs;
+ YYSTYPE *yyvsp;
+
+ /* The location stack. */
+ YYLTYPE yylsa[YYINITDEPTH];
+ YYLTYPE *yyls;
+ YYLTYPE *yylsp;
+
+ /* The locations where the error started and ended. */
+ YYLTYPE yyerror_range[3];
+
+ YYSIZE_T yystacksize;
+
+ int yyn;
+ int yyresult;
+ /* Lookahead token as an internal (translated) token number. */
+ int yytoken;
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+ YYLTYPE yyloc;
+
+#if YYERROR_VERBOSE
+ /* Buffer for error messages, and its allocated size. */
+ char yymsgbuf[128];
+ char *yymsg = yymsgbuf;
+ YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
+
+#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N))
+
+ /* The number of symbols on the RHS of the reduced rule.
+ Keep to zero when no symbol should be popped. */
+ int yylen = 0;
+
+ yytoken = 0;
+ yyss = yyssa;
+ yyvs = yyvsa;
+ yyls = yylsa;
+ yystacksize = YYINITDEPTH;
+
+ YYDPRINTF ((stderr, "Starting parse\n"));
+
+ yystate = 0;
+ yyerrstatus = 0;
+ yynerrs = 0;
+ yychar = YYEMPTY; /* Cause a token to be read. */
+
+ /* Initialize stack pointers.
+ Waste one element of value and location stack
+ so that they stay on the same level as the state stack.
+ The wasted elements are never initialized. */
+ yyssp = yyss;
+ yyvsp = yyvs;
+ yylsp = yyls;
+
+#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
+ /* Initialize the default location before parsing starts. */
+ yylloc.first_line = yylloc.last_line = 1;
+ yylloc.first_column = yylloc.last_column = 1;
+#endif
+
+/* User initialization code. */
+
+/* Line 1251 of yacc.c */
+#line 152 "glcpp/glcpp-parse.y"
+{
+ yylloc.first_line = 1;
+ yylloc.first_column = 1;
+ yylloc.last_line = 1;
+ yylloc.last_column = 1;
+ yylloc.source = 0;
+}
+
+/* Line 1251 of yacc.c */
+#line 1622 "glcpp/glcpp-parse.c"
+ yylsp[0] = yylloc;
+
+ goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate. |
+`------------------------------------------------------------*/
+ yynewstate:
+ /* In all cases, when you get here, the value and location stacks
+ have just been pushed. So pushing a state here evens the stacks. */
+ yyssp++;
+
+ yysetstate:
+ *yyssp = yystate;
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ {
+ /* Get the current used size of the three stacks, in elements. */
+ YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+ {
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into
+ memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ yytype_int16 *yyss1 = yyss;
+ YYLTYPE *yyls1 = yyls;
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. This used to be a
+ conditional around just the two extra args, but that might
+ be undefined if yyoverflow is a macro. */
+ yyoverflow (YY_("memory exhausted"),
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+ &yyls1, yysize * sizeof (*yylsp),
+ &yystacksize);
+
+ yyls = yyls1;
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+ goto yyexhaustedlab;
+# else
+ /* Extend the stack our own way. */
+ if (YYMAXDEPTH <= yystacksize)
+ goto yyexhaustedlab;
+ yystacksize *= 2;
+ if (YYMAXDEPTH < yystacksize)
+ yystacksize = YYMAXDEPTH;
+
+ {
+ yytype_int16 *yyss1 = yyss;
+ union yyalloc *yyptr =
+ (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyexhaustedlab;
+ YYSTACK_RELOCATE (yyss_alloc, yyss);
+ YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+ YYSTACK_RELOCATE (yyls_alloc, yyls);
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
+# endif
+#endif /* no yyoverflow */
+
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
+ yylsp = yyls + yysize - 1;
+
+ YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+ (unsigned long int) yystacksize));
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ YYABORT;
+ }
+
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+ if (yystate == YYFINAL)
+ YYACCEPT;
+
+ goto yybackup;
+
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
+
+ /* Do appropriate processing given the current state. Read a
+ lookahead token if we need one and don't already have one. */
+
+ /* First try to decide what to do without reference to lookahead token. */
+ yyn = yypact[yystate];
+ if (yyn == YYPACT_NINF)
+ goto yydefault;
+
+ /* Not known => get a lookahead token if don't already have one. */
+
+ /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
+ if (yychar == YYEMPTY)
+ {
+ YYDPRINTF ((stderr, "Reading a token: "));
+ yychar = YYLEX;
+ }
+
+ if (yychar <= YYEOF)
+ {
+ yychar = yytoken = YYEOF;
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
+ }
+ else
+ {
+ yytoken = YYTRANSLATE (yychar);
+ YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+ }
+
+ /* If the proper action on seeing token YYTOKEN is to reduce or to
+ detect an error, take that action. */
+ yyn += yytoken;
+ if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
+ goto yydefault;
+ yyn = yytable[yyn];
+ if (yyn <= 0)
+ {
+ if (yyn == 0 || yyn == YYTABLE_NINF)
+ goto yyerrlab;
+ yyn = -yyn;
+ goto yyreduce;
+ }
+
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
+
+ /* Shift the lookahead token. */
+ YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
+
+ /* Discard the shifted token. */
+ yychar = YYEMPTY;
+
+ yystate = yyn;
+ *++yyvsp = yylval;
+ *++yylsp = yylloc;
+ goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
+ yyn = yydefact[yystate];
+ if (yyn == 0)
+ goto yyerrlab;
+ goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction. |
+`-----------------------------*/
+yyreduce:
+ /* yyn is the number of a rule to reduce with. */
+ yylen = yyr2[yyn];
+
+ /* If YYLEN is nonzero, implement the default value of the action:
+ `$$ = $1'.
+
+ Otherwise, the following line sets YYVAL to garbage.
+ This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
+
+ /* Default location. */
+ YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
+ YY_REDUCE_PRINT (yyn);
+ switch (yyn)
+ {
+ case 4:
+
+/* Line 1464 of yacc.c */
+#line 191 "glcpp/glcpp-parse.y"
+ {
+ glcpp_print(parser->output, "\n");
+ ;}
+ break;
+
+ case 5:
+
+/* Line 1464 of yacc.c */
+#line 194 "glcpp/glcpp-parse.y"
+ {
+ _glcpp_parser_print_expanded_token_list (parser, (yyvsp[(1) - (1)].token_list));
+ glcpp_print(parser->output, "\n");
+ talloc_free ((yyvsp[(1) - (1)].token_list));
+ ;}
+ break;
+
+ case 8:
+
+/* Line 1464 of yacc.c */
+#line 204 "glcpp/glcpp-parse.y"
+ {
+ _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), (yyvsp[(2) - (3)].ival));
+ ;}
+ break;
+
+ case 9:
+
+/* Line 1464 of yacc.c */
+#line 207 "glcpp/glcpp-parse.y"
+ {
+ _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]), "elif", (yyvsp[(2) - (3)].ival));
+ ;}
+ break;
+
+ case 10:
+
+/* Line 1464 of yacc.c */
+#line 213 "glcpp/glcpp-parse.y"
+ {
+ _define_object_macro (parser, & (yylsp[(2) - (4)]), (yyvsp[(2) - (4)].str), (yyvsp[(3) - (4)].token_list));
+ ;}
+ break;
+
+ case 11:
+
+/* Line 1464 of yacc.c */
+#line 216 "glcpp/glcpp-parse.y"
+ {
+ _define_function_macro (parser, & (yylsp[(2) - (6)]), (yyvsp[(2) - (6)].str), NULL, (yyvsp[(5) - (6)].token_list));
+ ;}
+ break;
+
+ case 12:
+
+/* Line 1464 of yacc.c */
+#line 219 "glcpp/glcpp-parse.y"
+ {
+ _define_function_macro (parser, & (yylsp[(2) - (7)]), (yyvsp[(2) - (7)].str), (yyvsp[(4) - (7)].string_list), (yyvsp[(6) - (7)].token_list));
+ ;}
+ break;
+
+ case 13:
+
+/* Line 1464 of yacc.c */
+#line 222 "glcpp/glcpp-parse.y"
+ {
+ macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (3)].str));
+ if (macro) {
+ hash_table_remove (parser->defines, (yyvsp[(2) - (3)].str));
+ talloc_free (macro);
+ }
+ talloc_free ((yyvsp[(2) - (3)].str));
+ ;}
+ break;
+
+ case 14:
+
+/* Line 1464 of yacc.c */
+#line 230 "glcpp/glcpp-parse.y"
+ {
+ /* Be careful to only evaluate the 'if' expression if
+ * we are not skipping. When we are skipping, we
+ * simply push a new 0-valued 'if' onto the skip
+ * stack.
+ *
+ * This avoids generating diagnostics for invalid
+ * expressions that are being skipped. */
+ if (parser->skip_stack == NULL ||
+ parser->skip_stack->type == SKIP_NO_SKIP)
+ {
+ _glcpp_parser_expand_if (parser, IF_EXPANDED, (yyvsp[(2) - (3)].token_list));
+ }
+ else
+ {
+ _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (3)]), 0);
+ parser->skip_stack->type = SKIP_TO_ENDIF;
+ }
+ ;}
+ break;
+
+ case 15:
+
+/* Line 1464 of yacc.c */
+#line 249 "glcpp/glcpp-parse.y"
+ {
+ /* #if without an expression is only an error if we
+ * are not skipping */
+ if (parser->skip_stack == NULL ||
+ parser->skip_stack->type == SKIP_NO_SKIP)
+ {
+ glcpp_error(& (yylsp[(1) - (2)]), parser, "#if with no expression");
+ }
+ _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (2)]), 0);
+ ;}
+ break;
+
+ case 16:
+
+/* Line 1464 of yacc.c */
+#line 259 "glcpp/glcpp-parse.y"
+ {
+ macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str));
+ talloc_free ((yyvsp[(2) - (4)].str));
+ _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro != NULL);
+ ;}
+ break;
+
+ case 17:
+
+/* Line 1464 of yacc.c */
+#line 264 "glcpp/glcpp-parse.y"
+ {
+ macro_t *macro = hash_table_find (parser->defines, (yyvsp[(2) - (4)].str));
+ talloc_free ((yyvsp[(2) - (4)].str));
+ _glcpp_parser_skip_stack_push_if (parser, & (yylsp[(1) - (4)]), macro == NULL);
+ ;}
+ break;
+
+ case 18:
+
+/* Line 1464 of yacc.c */
+#line 269 "glcpp/glcpp-parse.y"
+ {
+ /* Be careful to only evaluate the 'elif' expression
+ * if we are not skipping. When we are skipping, we
+ * simply change to a 0-valued 'elif' on the skip
+ * stack.
+ *
+ * This avoids generating diagnostics for invalid
+ * expressions that are being skipped. */
+ if (parser->skip_stack &&
+ parser->skip_stack->type == SKIP_TO_ELSE)
+ {
+ _glcpp_parser_expand_if (parser, ELIF_EXPANDED, (yyvsp[(2) - (3)].token_list));
+ }
+ else
+ {
+ _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (3)]),
+ "elif", 0);
+ }
+ ;}
+ break;
+
+ case 19:
+
+/* Line 1464 of yacc.c */
+#line 288 "glcpp/glcpp-parse.y"
+ {
+ /* #elif without an expression is an error unless we
+ * are skipping. */
+ if (parser->skip_stack &&
+ parser->skip_stack->type == SKIP_TO_ELSE)
+ {
+ glcpp_error(& (yylsp[(1) - (2)]), parser, "#elif with no expression");
+ }
+ else
+ {
+ _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]),
+ "elif", 0);
+ glcpp_warning(& (yylsp[(1) - (2)]), parser, "ignoring illegal #elif without expression");
+ }
+ ;}
+ break;
+
+ case 20:
+
+/* Line 1464 of yacc.c */
+#line 303 "glcpp/glcpp-parse.y"
+ {
+ _glcpp_parser_skip_stack_change_if (parser, & (yylsp[(1) - (2)]), "else", 1);
+ ;}
+ break;
+
+ case 21:
+
+/* Line 1464 of yacc.c */
+#line 306 "glcpp/glcpp-parse.y"
+ {
+ _glcpp_parser_skip_stack_pop (parser, & (yylsp[(1) - (2)]));
+ ;}
+ break;
+
+ case 22:
+
+/* Line 1464 of yacc.c */
+#line 309 "glcpp/glcpp-parse.y"
+ {
+ macro_t *macro = hash_table_find (parser->defines, "__VERSION__");
+ if (macro) {
+ hash_table_remove (parser->defines, "__VERSION__");
+ talloc_free (macro);
+ }
+ add_builtin_define (parser, "__VERSION__", (yyvsp[(2) - (3)].ival));
+
+ if ((yyvsp[(2) - (3)].ival) == 100)
+ add_builtin_define (parser, "GL_ES", 1);
+
+ /* Currently, all ES2 implementations support highp in the
+ * fragment shader, so we always define this macro in ES2.
+ * If we ever get a driver that doesn't support highp, we'll
+ * need to add a flag to the gl_context and check that here.
+ */
+ if ((yyvsp[(2) - (3)].ival) >= 130 || (yyvsp[(2) - (3)].ival) == 100)
+ add_builtin_define (parser, "GL_FRAGMENT_PRECISION_HIGH", 1);
+
+ glcpp_printf(parser->output, "#version %" PRIiMAX, (yyvsp[(2) - (3)].ival));
+ ;}
+ break;
+
+ case 24:
+
+/* Line 1464 of yacc.c */
+#line 334 "glcpp/glcpp-parse.y"
+ {
+ if (strlen ((yyvsp[(1) - (1)].str)) >= 3 && strncmp ((yyvsp[(1) - (1)].str), "0x", 2) == 0) {
+ (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str) + 2, NULL, 16);
+ } else if ((yyvsp[(1) - (1)].str)[0] == '0') {
+ (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 8);
+ } else {
+ (yyval.ival) = strtoll ((yyvsp[(1) - (1)].str), NULL, 10);
+ }
+ ;}
+ break;
+
+ case 25:
+
+/* Line 1464 of yacc.c */
+#line 343 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (1)].ival);
+ ;}
+ break;
+
+ case 27:
+
+/* Line 1464 of yacc.c */
+#line 349 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) || (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 28:
+
+/* Line 1464 of yacc.c */
+#line 352 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) && (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 29:
+
+/* Line 1464 of yacc.c */
+#line 355 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) | (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 30:
+
+/* Line 1464 of yacc.c */
+#line 358 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) ^ (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 31:
+
+/* Line 1464 of yacc.c */
+#line 361 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) & (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 32:
+
+/* Line 1464 of yacc.c */
+#line 364 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) != (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 33:
+
+/* Line 1464 of yacc.c */
+#line 367 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) == (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 34:
+
+/* Line 1464 of yacc.c */
+#line 370 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) >= (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 35:
+
+/* Line 1464 of yacc.c */
+#line 373 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) <= (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 36:
+
+/* Line 1464 of yacc.c */
+#line 376 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) > (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 37:
+
+/* Line 1464 of yacc.c */
+#line 379 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) < (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 38:
+
+/* Line 1464 of yacc.c */
+#line 382 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) >> (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 39:
+
+/* Line 1464 of yacc.c */
+#line 385 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) << (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 40:
+
+/* Line 1464 of yacc.c */
+#line 388 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) - (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 41:
+
+/* Line 1464 of yacc.c */
+#line 391 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) + (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 42:
+
+/* Line 1464 of yacc.c */
+#line 394 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) % (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 43:
+
+/* Line 1464 of yacc.c */
+#line 397 "glcpp/glcpp-parse.y"
+ {
+ if ((yyvsp[(3) - (3)].ival) == 0) {
+ yyerror (& (yylsp[(1) - (3)]), parser,
+ "division by 0 in preprocessor directive");
+ } else {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) / (yyvsp[(3) - (3)].ival);
+ }
+ ;}
+ break;
+
+ case 44:
+
+/* Line 1464 of yacc.c */
+#line 405 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(1) - (3)].ival) * (yyvsp[(3) - (3)].ival);
+ ;}
+ break;
+
+ case 45:
+
+/* Line 1464 of yacc.c */
+#line 408 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = ! (yyvsp[(2) - (2)].ival);
+ ;}
+ break;
+
+ case 46:
+
+/* Line 1464 of yacc.c */
+#line 411 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = ~ (yyvsp[(2) - (2)].ival);
+ ;}
+ break;
+
+ case 47:
+
+/* Line 1464 of yacc.c */
+#line 414 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = - (yyvsp[(2) - (2)].ival);
+ ;}
+ break;
+
+ case 48:
+
+/* Line 1464 of yacc.c */
+#line 417 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = + (yyvsp[(2) - (2)].ival);
+ ;}
+ break;
+
+ case 49:
+
+/* Line 1464 of yacc.c */
+#line 420 "glcpp/glcpp-parse.y"
+ {
+ (yyval.ival) = (yyvsp[(2) - (3)].ival);
+ ;}
+ break;
+
+ case 50:
+
+/* Line 1464 of yacc.c */
+#line 426 "glcpp/glcpp-parse.y"
+ {
+ (yyval.string_list) = _string_list_create (parser);
+ _string_list_append_item ((yyval.string_list), (yyvsp[(1) - (1)].str));
+ talloc_steal ((yyval.string_list), (yyvsp[(1) - (1)].str));
+ ;}
+ break;
+
+ case 51:
+
+/* Line 1464 of yacc.c */
+#line 431 "glcpp/glcpp-parse.y"
+ {
+ (yyval.string_list) = (yyvsp[(1) - (3)].string_list);
+ _string_list_append_item ((yyval.string_list), (yyvsp[(3) - (3)].str));
+ talloc_steal ((yyval.string_list), (yyvsp[(3) - (3)].str));
+ ;}
+ break;
+
+ case 52:
+
+/* Line 1464 of yacc.c */
+#line 439 "glcpp/glcpp-parse.y"
+ { (yyval.token_list) = NULL; ;}
+ break;
+
+ case 54:
+
+/* Line 1464 of yacc.c */
+#line 444 "glcpp/glcpp-parse.y"
+ {
+ yyerror (& (yylsp[(1) - (2)]), parser, "Invalid tokens after #");
+ ;}
+ break;
+
+ case 55:
+
+/* Line 1464 of yacc.c */
+#line 450 "glcpp/glcpp-parse.y"
+ { (yyval.token_list) = NULL; ;}
+ break;
+
+ case 58:
+
+/* Line 1464 of yacc.c */
+#line 456 "glcpp/glcpp-parse.y"
+ {
+ glcpp_warning(&(yylsp[(1) - (1)]), parser, "extra tokens at end of directive");
+ ;}
+ break;
+
+ case 59:
+
+/* Line 1464 of yacc.c */
+#line 463 "glcpp/glcpp-parse.y"
+ {
+ int v = hash_table_find (parser->defines, (yyvsp[(2) - (2)].str)) ? 1 : 0;
+ (yyval.token) = _token_create_ival (parser, INTEGER, v);
+ ;}
+ break;
+
+ case 60:
+
+/* Line 1464 of yacc.c */
+#line 467 "glcpp/glcpp-parse.y"
+ {
+ int v = hash_table_find (parser->defines, (yyvsp[(3) - (4)].str)) ? 1 : 0;
+ (yyval.token) = _token_create_ival (parser, INTEGER, v);
+ ;}
+ break;
+
+ case 62:
+
+/* Line 1464 of yacc.c */
+#line 476 "glcpp/glcpp-parse.y"
+ {
+ (yyval.token_list) = _token_list_create (parser);
+ _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token));
+ ;}
+ break;
+
+ case 63:
+
+/* Line 1464 of yacc.c */
+#line 480 "glcpp/glcpp-parse.y"
+ {
+ (yyval.token_list) = (yyvsp[(1) - (2)].token_list);
+ _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token));
+ ;}
+ break;
+
+ case 64:
+
+/* Line 1464 of yacc.c */
+#line 487 "glcpp/glcpp-parse.y"
+ {
+ parser->space_tokens = 1;
+ (yyval.token_list) = _token_list_create (parser);
+ _token_list_append ((yyval.token_list), (yyvsp[(1) - (1)].token));
+ ;}
+ break;
+
+ case 65:
+
+/* Line 1464 of yacc.c */
+#line 492 "glcpp/glcpp-parse.y"
+ {
+ (yyval.token_list) = (yyvsp[(1) - (2)].token_list);
+ _token_list_append ((yyval.token_list), (yyvsp[(2) - (2)].token));
+ ;}
+ break;
+
+ case 66:
+
+/* Line 1464 of yacc.c */
+#line 499 "glcpp/glcpp-parse.y"
+ {
+ (yyval.token) = _token_create_str (parser, IDENTIFIER, (yyvsp[(1) - (1)].str));
+ (yyval.token)->location = yylloc;
+ ;}
+ break;
+
+ case 67:
+
+/* Line 1464 of yacc.c */
+#line 503 "glcpp/glcpp-parse.y"
+ {
+ (yyval.token) = _token_create_str (parser, INTEGER_STRING, (yyvsp[(1) - (1)].str));
+ (yyval.token)->location = yylloc;
+ ;}
+ break;
+
+ case 68:
+
+/* Line 1464 of yacc.c */
+#line 507 "glcpp/glcpp-parse.y"
+ {
+ (yyval.token) = _token_create_ival (parser, (yyvsp[(1) - (1)].ival), (yyvsp[(1) - (1)].ival));
+ (yyval.token)->location = yylloc;
+ ;}
+ break;
+
+ case 69:
+
+/* Line 1464 of yacc.c */
+#line 511 "glcpp/glcpp-parse.y"
+ {
+ (yyval.token) = _token_create_str (parser, OTHER, (yyvsp[(1) - (1)].str));
+ (yyval.token)->location = yylloc;
+ ;}
+ break;
+
+ case 70:
+
+/* Line 1464 of yacc.c */
+#line 515 "glcpp/glcpp-parse.y"
+ {
+ (yyval.token) = _token_create_ival (parser, SPACE, SPACE);
+ (yyval.token)->location = yylloc;
+ ;}
+ break;
+
+ case 71:
+
+/* Line 1464 of yacc.c */
+#line 522 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '['; ;}
+ break;
+
+ case 72:
+
+/* Line 1464 of yacc.c */
+#line 523 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = ']'; ;}
+ break;
+
+ case 73:
+
+/* Line 1464 of yacc.c */
+#line 524 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '('; ;}
+ break;
+
+ case 74:
+
+/* Line 1464 of yacc.c */
+#line 525 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = ')'; ;}
+ break;
+
+ case 75:
+
+/* Line 1464 of yacc.c */
+#line 526 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '{'; ;}
+ break;
+
+ case 76:
+
+/* Line 1464 of yacc.c */
+#line 527 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '}'; ;}
+ break;
+
+ case 77:
+
+/* Line 1464 of yacc.c */
+#line 528 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '.'; ;}
+ break;
+
+ case 78:
+
+/* Line 1464 of yacc.c */
+#line 529 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '&'; ;}
+ break;
+
+ case 79:
+
+/* Line 1464 of yacc.c */
+#line 530 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '*'; ;}
+ break;
+
+ case 80:
+
+/* Line 1464 of yacc.c */
+#line 531 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '+'; ;}
+ break;
+
+ case 81:
+
+/* Line 1464 of yacc.c */
+#line 532 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '-'; ;}
+ break;
+
+ case 82:
+
+/* Line 1464 of yacc.c */
+#line 533 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '~'; ;}
+ break;
+
+ case 83:
+
+/* Line 1464 of yacc.c */
+#line 534 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '!'; ;}
+ break;
+
+ case 84:
+
+/* Line 1464 of yacc.c */
+#line 535 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '/'; ;}
+ break;
+
+ case 85:
+
+/* Line 1464 of yacc.c */
+#line 536 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '%'; ;}
+ break;
+
+ case 86:
+
+/* Line 1464 of yacc.c */
+#line 537 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = LEFT_SHIFT; ;}
+ break;
+
+ case 87:
+
+/* Line 1464 of yacc.c */
+#line 538 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = RIGHT_SHIFT; ;}
+ break;
+
+ case 88:
+
+/* Line 1464 of yacc.c */
+#line 539 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '<'; ;}
+ break;
+
+ case 89:
+
+/* Line 1464 of yacc.c */
+#line 540 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '>'; ;}
+ break;
+
+ case 90:
+
+/* Line 1464 of yacc.c */
+#line 541 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = LESS_OR_EQUAL; ;}
+ break;
+
+ case 91:
+
+/* Line 1464 of yacc.c */
+#line 542 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = GREATER_OR_EQUAL; ;}
+ break;
+
+ case 92:
+
+/* Line 1464 of yacc.c */
+#line 543 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = EQUAL; ;}
+ break;
+
+ case 93:
+
+/* Line 1464 of yacc.c */
+#line 544 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = NOT_EQUAL; ;}
+ break;
+
+ case 94:
+
+/* Line 1464 of yacc.c */
+#line 545 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '^'; ;}
+ break;
+
+ case 95:
+
+/* Line 1464 of yacc.c */
+#line 546 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '|'; ;}
+ break;
+
+ case 96:
+
+/* Line 1464 of yacc.c */
+#line 547 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = AND; ;}
+ break;
+
+ case 97:
+
+/* Line 1464 of yacc.c */
+#line 548 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = OR; ;}
+ break;
+
+ case 98:
+
+/* Line 1464 of yacc.c */
+#line 549 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = ';'; ;}
+ break;
+
+ case 99:
+
+/* Line 1464 of yacc.c */
+#line 550 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = ','; ;}
+ break;
+
+ case 100:
+
+/* Line 1464 of yacc.c */
+#line 551 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = '='; ;}
+ break;
+
+ case 101:
+
+/* Line 1464 of yacc.c */
+#line 552 "glcpp/glcpp-parse.y"
+ { (yyval.ival) = PASTE; ;}
+ break;
+
+
+
+/* Line 1464 of yacc.c */
+#line 2661 "glcpp/glcpp-parse.c"
+ default: break;
+ }
+ YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
+
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+
+ *++yyvsp = yyval;
+ *++yylsp = yyloc;
+
+ /* Now `shift' the result of the reduction. Determine what state
+ that goes to, based on the state we popped back to and the rule
+ number reduced by. */
+
+ yyn = yyr1[yyn];
+
+ yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+ if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yytable[yystate];
+ else
+ yystate = yydefgoto[yyn - YYNTOKENS];
+
+ goto yynewstate;
+
+
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
+ {
+ ++yynerrs;
+#if ! YYERROR_VERBOSE
+ yyerror (&yylloc, parser, YY_("syntax error"));
+#else
+ {
+ YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+ if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+ {
+ YYSIZE_T yyalloc = 2 * yysize;
+ if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+ yyalloc = YYSTACK_ALLOC_MAXIMUM;
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+ yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+ if (yymsg)
+ yymsg_alloc = yyalloc;
+ else
+ {
+ yymsg = yymsgbuf;
+ yymsg_alloc = sizeof yymsgbuf;
+ }
+ }
+
+ if (0 < yysize && yysize <= yymsg_alloc)
+ {
+ (void) yysyntax_error (yymsg, yystate, yychar);
+ yyerror (&yylloc, parser, yymsg);
+ }
+ else
+ {
+ yyerror (&yylloc, parser, YY_("syntax error"));
+ if (yysize != 0)
+ goto yyexhaustedlab;
+ }
+ }
+#endif
+ }
+
+ yyerror_range[1] = yylloc;
+
+ if (yyerrstatus == 3)
+ {
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
+
+ if (yychar <= YYEOF)
+ {
+ /* Return failure if at end of input. */
+ if (yychar == YYEOF)
+ YYABORT;
+ }
+ else
+ {
+ yydestruct ("Error: discarding",
+ yytoken, &yylval, &yylloc, parser);
+ yychar = YYEMPTY;
+ }
+ }
+
+ /* Else will try to reuse lookahead token after shifting the error
+ token. */
+ goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR. |
+`---------------------------------------------------*/
+yyerrorlab:
+
+ /* Pacify compilers like GCC when the user code never invokes
+ YYERROR and the label yyerrorlab therefore never appears in user
+ code. */
+ if (/*CONSTCOND*/ 0)
+ goto yyerrorlab;
+
+ yyerror_range[1] = yylsp[1-yylen];
+ /* Do not reclaim the symbols of the rule which action triggered
+ this YYERROR. */
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+ yystate = *yyssp;
+ goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+yyerrlab1:
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
+
+ for (;;)
+ {
+ yyn = yypact[yystate];
+ if (yyn != YYPACT_NINF)
+ {
+ yyn += YYTERROR;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
+
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
+
+ yyerror_range[1] = *yylsp;
+ yydestruct ("Error: popping",
+ yystos[yystate], yyvsp, yylsp, parser);
+ YYPOPSTACK (1);
+ yystate = *yyssp;
+ YY_STACK_PRINT (yyss, yyssp);
+ }
+
+ *++yyvsp = yylval;
+
+ yyerror_range[2] = yylloc;
+ /* Using YYLLOC is tempting, but would change the location of
+ the lookahead. YYLOC is available though. */
+ YYLLOC_DEFAULT (yyloc, yyerror_range, 2);
+ *++yylsp = yyloc;
+
+ /* Shift the error token. */
+ YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
+
+ yystate = yyn;
+ goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ yyresult = 1;
+ goto yyreturn;
+
+#if !defined(yyoverflow) || YYERROR_VERBOSE
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here. |
+`-------------------------------------------------*/
+yyexhaustedlab:
+ yyerror (&yylloc, parser, YY_("memory exhausted"));
+ yyresult = 2;
+ /* Fall through. */
+#endif
+
+yyreturn:
+ if (yychar != YYEMPTY)
+ yydestruct ("Cleanup: discarding lookahead",
+ yytoken, &yylval, &yylloc, parser);
+ /* Do not reclaim the symbols of the rule which action triggered
+ this YYABORT or YYACCEPT. */
+ YYPOPSTACK (yylen);
+ YY_STACK_PRINT (yyss, yyssp);
+ while (yyssp != yyss)
+ {
+ yydestruct ("Cleanup: popping",
+ yystos[*yyssp], yyvsp, yylsp, parser);
+ YYPOPSTACK (1);
+ }
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
+#endif
+#if YYERROR_VERBOSE
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+#endif
+ /* Make sure YYID is used. */
+ return YYID (yyresult);
+}
+
+
+
+/* Line 1684 of yacc.c */
+#line 555 "glcpp/glcpp-parse.y"
+
+
+string_list_t *
+_string_list_create (void *ctx)
+{
+ string_list_t *list;
+
+ list = talloc (ctx, string_list_t);
+ list->head = NULL;
+ list->tail = NULL;
+
+ return list;
+}
+
+void
+_string_list_append_item (string_list_t *list, const char *str)
+{
+ string_node_t *node;
+
+ node = talloc (list, string_node_t);
+ node->str = talloc_strdup (node, str);
+
+ node->next = NULL;
+
+ if (list->head == NULL) {
+ list->head = node;
+ } else {
+ list->tail->next = node;
+ }
+
+ list->tail = node;
+}
+
+int
+_string_list_contains (string_list_t *list, const char *member, int *index)
+{
+ string_node_t *node;
+ int i;
+
+ if (list == NULL)
+ return 0;
+
+ for (i = 0, node = list->head; node; i++, node = node->next) {
+ if (strcmp (node->str, member) == 0) {
+ if (index)
+ *index = i;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+int
+_string_list_length (string_list_t *list)
+{
+ int length = 0;
+ string_node_t *node;
+
+ if (list == NULL)
+ return 0;
+
+ for (node = list->head; node; node = node->next)
+ length++;
+
+ return length;
+}
+
+int
+_string_list_equal (string_list_t *a, string_list_t *b)
+{
+ string_node_t *node_a, *node_b;
+
+ if (a == NULL && b == NULL)
+ return 1;
+
+ if (a == NULL || b == NULL)
+ return 0;
+
+ for (node_a = a->head, node_b = b->head;
+ node_a && node_b;
+ node_a = node_a->next, node_b = node_b->next)
+ {
+ if (strcmp (node_a->str, node_b->str))
+ return 0;
+ }
+
+ /* Catch the case of lists being different lengths, (which
+ * would cause the loop above to terminate after the shorter
+ * list). */
+ return node_a == node_b;
+}
+
+argument_list_t *
+_argument_list_create (void *ctx)
+{
+ argument_list_t *list;
+
+ list = talloc (ctx, argument_list_t);
+ list->head = NULL;
+ list->tail = NULL;
+
+ return list;
+}
+
+void
+_argument_list_append (argument_list_t *list, token_list_t *argument)
+{
+ argument_node_t *node;
+
+ node = talloc (list, argument_node_t);
+ node->argument = argument;
+
+ node->next = NULL;
+
+ if (list->head == NULL) {
+ list->head = node;
+ } else {
+ list->tail->next = node;
+ }
+
+ list->tail = node;
+}
+
+int
+_argument_list_length (argument_list_t *list)
+{
+ int length = 0;
+ argument_node_t *node;
+
+ if (list == NULL)
+ return 0;
+
+ for (node = list->head; node; node = node->next)
+ length++;
+
+ return length;
+}
+
+token_list_t *
+_argument_list_member_at (argument_list_t *list, int index)
+{
+ argument_node_t *node;
+ int i;
+
+ if (list == NULL)
+ return NULL;
+
+ node = list->head;
+ for (i = 0; i < index; i++) {
+ node = node->next;
+ if (node == NULL)
+ break;
+ }
+
+ if (node)
+ return node->argument;
+
+ return NULL;
+}
+
+/* Note: This function talloc_steal()s the str pointer. */
+token_t *
+_token_create_str (void *ctx, int type, char *str)
+{
+ token_t *token;
+
+ token = talloc (ctx, token_t);
+ token->type = type;
+ token->value.str = talloc_steal (token, str);
+
+ return token;
+}
+
+token_t *
+_token_create_ival (void *ctx, int type, int ival)
+{
+ token_t *token;
+
+ token = talloc (ctx, token_t);
+ token->type = type;
+ token->value.ival = ival;
+
+ return token;
+}
+
+token_list_t *
+_token_list_create (void *ctx)
+{
+ token_list_t *list;
+
+ list = talloc (ctx, token_list_t);
+ list->head = NULL;
+ list->tail = NULL;
+ list->non_space_tail = NULL;
+
+ return list;
+}
+
+void
+_token_list_append (token_list_t *list, token_t *token)
+{
+ token_node_t *node;
+
+ node = talloc (list, token_node_t);
+ node->token = talloc_steal (list, token);
+
+ node->next = NULL;
+
+ if (list->head == NULL) {
+ list->head = node;
+ } else {
+ list->tail->next = node;
+ }
+
+ list->tail = node;
+ if (token->type != SPACE)
+ list->non_space_tail = node;
+}
+
+void
+_token_list_append_list (token_list_t *list, token_list_t *tail)
+{
+ if (tail == NULL || tail->head == NULL)
+ return;
+
+ if (list->head == NULL) {
+ list->head = tail->head;
+ } else {
+ list->tail->next = tail->head;
+ }
+
+ list->tail = tail->tail;
+ list->non_space_tail = tail->non_space_tail;
+}
+
+static token_list_t *
+_token_list_copy (void *ctx, token_list_t *other)
+{
+ token_list_t *copy;
+ token_node_t *node;
+
+ if (other == NULL)
+ return NULL;
+
+ copy = _token_list_create (ctx);
+ for (node = other->head; node; node = node->next) {
+ token_t *new_token = talloc (copy, token_t);
+ *new_token = *node->token;
+ _token_list_append (copy, new_token);
+ }
+
+ return copy;
+}
+
+static void
+_token_list_trim_trailing_space (token_list_t *list)
+{
+ token_node_t *tail, *next;
+
+ if (list->non_space_tail) {
+ tail = list->non_space_tail->next;
+ list->non_space_tail->next = NULL;
+ list->tail = list->non_space_tail;
+
+ while (tail) {
+ next = tail->next;
+ talloc_free (tail);
+ tail = next;
+ }
+ }
+}
+
+int
+_token_list_is_empty_ignoring_space (token_list_t *l)
+{
+ token_node_t *n;
+
+ if (l == NULL)
+ return 1;
+
+ n = l->head;
+ while (n != NULL && n->token->type == SPACE)
+ n = n->next;
+
+ return n == NULL;
+}
+
+int
+_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b)
+{
+ token_node_t *node_a, *node_b;
+
+ if (a == NULL || b == NULL) {
+ int a_empty = _token_list_is_empty_ignoring_space(a);
+ int b_empty = _token_list_is_empty_ignoring_space(b);
+ return a_empty == b_empty;
+ }
+
+ node_a = a->head;
+ node_b = b->head;
+
+ while (1)
+ {
+ if (node_a == NULL && node_b == NULL)
+ break;
+
+ if (node_a == NULL || node_b == NULL)
+ return 0;
+
+ if (node_a->token->type == SPACE) {
+ node_a = node_a->next;
+ continue;
+ }
+
+ if (node_b->token->type == SPACE) {
+ node_b = node_b->next;
+ continue;
+ }
+
+ if (node_a->token->type != node_b->token->type)
+ return 0;
+
+ switch (node_a->token->type) {
+ case INTEGER:
+ if (node_a->token->value.ival !=
+ node_b->token->value.ival)
+ {
+ return 0;
+ }
+ break;
+ case IDENTIFIER:
+ case INTEGER_STRING:
+ case OTHER:
+ if (strcmp (node_a->token->value.str,
+ node_b->token->value.str))
+ {
+ return 0;
+ }
+ break;
+ }
+
+ node_a = node_a->next;
+ node_b = node_b->next;
+ }
+
+ return 1;
+}
+
+static void
+_token_print (char **out, token_t *token)
+{
+ if (token->type < 256) {
+ glcpp_printf (*out, "%c", token->type);
+ return;
+ }
+
+ switch (token->type) {
+ case INTEGER:
+ glcpp_printf (*out, "%" PRIiMAX, token->value.ival);
+ break;
+ case IDENTIFIER:
+ case INTEGER_STRING:
+ case OTHER:
+ glcpp_print (*out, token->value.str);
+ break;
+ case SPACE:
+ glcpp_print (*out, " ");
+ break;
+ case LEFT_SHIFT:
+ glcpp_print (*out, "<<");
+ break;
+ case RIGHT_SHIFT:
+ glcpp_print (*out, ">>");
+ break;
+ case LESS_OR_EQUAL:
+ glcpp_print (*out, "<=");
+ break;
+ case GREATER_OR_EQUAL:
+ glcpp_print (*out, ">=");
+ break;
+ case EQUAL:
+ glcpp_print (*out, "==");
+ break;
+ case NOT_EQUAL:
+ glcpp_print (*out, "!=");
+ break;
+ case AND:
+ glcpp_print (*out, "&&");
+ break;
+ case OR:
+ glcpp_print (*out, "||");
+ break;
+ case PASTE:
+ glcpp_print (*out, "##");
+ break;
+ case COMMA_FINAL:
+ glcpp_print (*out, ",");
+ break;
+ case PLACEHOLDER:
+ /* Nothing to print. */
+ break;
+ default:
+ assert(!"Error: Don't know how to print token.");
+ break;
+ }
+}
+
+/* Return a new token (talloc()ed off of 'token') formed by pasting
+ * 'token' and 'other'. Note that this function may return 'token' or
+ * 'other' directly rather than allocating anything new.
+ *
+ * Caution: Only very cursory error-checking is performed to see if
+ * the final result is a valid single token. */
+static token_t *
+_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other)
+{
+ token_t *combined = NULL;
+
+ /* Pasting a placeholder onto anything makes no change. */
+ if (other->type == PLACEHOLDER)
+ return token;
+
+ /* When 'token' is a placeholder, just return 'other'. */
+ if (token->type == PLACEHOLDER)
+ return other;
+
+ /* A very few single-character punctuators can be combined
+ * with another to form a multi-character punctuator. */
+ switch (token->type) {
+ case '<':
+ if (other->type == '<')
+ combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT);
+ else if (other->type == '=')
+ combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL);
+ break;
+ case '>':
+ if (other->type == '>')
+ combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT);
+ else if (other->type == '=')
+ combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL);
+ break;
+ case '=':
+ if (other->type == '=')
+ combined = _token_create_ival (token, EQUAL, EQUAL);
+ break;
+ case '!':
+ if (other->type == '=')
+ combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL);
+ break;
+ case '&':
+ if (other->type == '&')
+ combined = _token_create_ival (token, AND, AND);
+ break;
+ case '|':
+ if (other->type == '|')
+ combined = _token_create_ival (token, OR, OR);
+ break;
+ }
+
+ if (combined != NULL) {
+ /* Inherit the location from the first token */
+ combined->location = token->location;
+ return combined;
+ }
+
+ /* Two string-valued tokens can usually just be mashed
+ * together.
+ *
+ * XXX: This isn't actually legitimate. Several things here
+ * should result in a diagnostic since the result cannot be a
+ * valid, single pre-processing token. For example, pasting
+ * "123" and "abc" is not legal, but we don't catch that
+ * here. */
+ if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) &&
+ (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING))
+ {
+ char *str;
+
+ str = talloc_asprintf (token, "%s%s", token->value.str,
+ other->value.str);
+ combined = _token_create_str (token, token->type, str);
+ combined->location = token->location;
+ return combined;
+ }
+
+ glcpp_error (&token->location, parser, "");
+ glcpp_print (parser->info_log, "Pasting \"");
+ _token_print (&parser->info_log, token);
+ glcpp_print (parser->info_log, "\" and \"");
+ _token_print (&parser->info_log, other);
+ glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n");
+
+ return token;
+}
+
+static void
+_token_list_print (glcpp_parser_t *parser, token_list_t *list)
+{
+ token_node_t *node;
+
+ if (list == NULL)
+ return;
+
+ for (node = list->head; node; node = node->next)
+ _token_print (&parser->output, node->token);
+}
+
+void
+yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error)
+{
+ glcpp_error(locp, parser, "%s", error);
+}
+
+static void add_builtin_define(glcpp_parser_t *parser,
+ const char *name, int value)
+{
+ token_t *tok;
+ token_list_t *list;
+
+ tok = _token_create_ival (parser, INTEGER, value);
+
+ list = _token_list_create(parser);
+ _token_list_append(list, tok);
+ _define_object_macro(parser, NULL, name, list);
+}
+
+glcpp_parser_t *
+glcpp_parser_create (const struct gl_extensions *extensions, int api)
+{
+ glcpp_parser_t *parser;
+ int language_version;
+
+ parser = talloc (NULL, glcpp_parser_t);
+
+ glcpp_lex_init_extra (parser, &parser->scanner);
+ parser->defines = hash_table_ctor (32, hash_table_string_hash,
+ hash_table_string_compare);
+ parser->active = NULL;
+ parser->lexing_if = 0;
+ parser->space_tokens = 1;
+ parser->newline_as_space = 0;
+ parser->in_control_line = 0;
+ parser->paren_count = 0;
+
+ parser->skip_stack = NULL;
+
+ parser->lex_from_list = NULL;
+ parser->lex_from_node = NULL;
+
+ parser->output = talloc_strdup(parser, "");
+ parser->info_log = talloc_strdup(parser, "");
+ parser->error = 0;
+
+ /* Add pre-defined macros. */
+ add_builtin_define(parser, "GL_ARB_draw_buffers", 1);
+ add_builtin_define(parser, "GL_ARB_texture_rectangle", 1);
+
+ if (api == API_OPENGLES2)
+ add_builtin_define(parser, "GL_ES", 1);
+
+ if (extensions != NULL) {
+ if (extensions->EXT_texture_array) {
+ add_builtin_define(parser, "GL_EXT_texture_array", 1);
+ }
+
+ if (extensions->ARB_fragment_coord_conventions)
+ add_builtin_define(parser, "GL_ARB_fragment_coord_conventions",
+ 1);
+
+ if (extensions->ARB_explicit_attrib_location)
+ add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1);
+ if (extensions->AMD_conservative_depth)
+ add_builtin_define(parser, "GL_AMD_conservative_depth", 1);
+ }
+
+ language_version = 110;
+ add_builtin_define(parser, "__VERSION__", language_version);
+
+ return parser;
+}
+
+int
+glcpp_parser_parse (glcpp_parser_t *parser)
+{
+ return yyparse (parser);
+}
+
+void
+glcpp_parser_destroy (glcpp_parser_t *parser)
+{
+ glcpp_lex_destroy (parser->scanner);
+ hash_table_dtor (parser->defines);
+ talloc_free (parser);
+}
+
+typedef enum function_status
+{
+ FUNCTION_STATUS_SUCCESS,
+ FUNCTION_NOT_A_FUNCTION,
+ FUNCTION_UNBALANCED_PARENTHESES
+} function_status_t;
+
+/* Find a set of function-like macro arguments by looking for a
+ * balanced set of parentheses.
+ *
+ * When called, 'node' should be the opening-parenthesis token, (or
+ * perhaps preceeding SPACE tokens). Upon successful return *last will
+ * be the last consumed node, (corresponding to the closing right
+ * parenthesis).
+ *
+ * Return values:
+ *
+ * FUNCTION_STATUS_SUCCESS:
+ *
+ * Successfully parsed a set of function arguments.
+ *
+ * FUNCTION_NOT_A_FUNCTION:
+ *
+ * Macro name not followed by a '('. This is not an error, but
+ * simply that the macro name should be treated as a non-macro.
+ *
+ * FUNCTION_UNBALANCED_PARENTHESES
+ *
+ * Macro name is not followed by a balanced set of parentheses.
+ */
+static function_status_t
+_arguments_parse (argument_list_t *arguments,
+ token_node_t *node,
+ token_node_t **last)
+{
+ token_list_t *argument;
+ int paren_count;
+
+ node = node->next;
+
+ /* Ignore whitespace before first parenthesis. */
+ while (node && node->token->type == SPACE)
+ node = node->next;
+
+ if (node == NULL || node->token->type != '(')
+ return FUNCTION_NOT_A_FUNCTION;
+
+ node = node->next;
+
+ argument = _token_list_create (arguments);
+ _argument_list_append (arguments, argument);
+
+ for (paren_count = 1; node; node = node->next) {
+ if (node->token->type == '(')
+ {
+ paren_count++;
+ }
+ else if (node->token->type == ')')
+ {
+ paren_count--;
+ if (paren_count == 0)
+ break;
+ }
+
+ if (node->token->type == ',' &&
+ paren_count == 1)
+ {
+ _token_list_trim_trailing_space (argument);
+ argument = _token_list_create (arguments);
+ _argument_list_append (arguments, argument);
+ }
+ else {
+ if (argument->head == NULL) {
+ /* Don't treat initial whitespace as
+ * part of the arguement. */
+ if (node->token->type == SPACE)
+ continue;
+ }
+ _token_list_append (argument, node->token);
+ }
+ }
+
+ if (paren_count)
+ return FUNCTION_UNBALANCED_PARENTHESES;
+
+ *last = node;
+
+ return FUNCTION_STATUS_SUCCESS;
+}
+
+static token_list_t *
+_token_list_create_with_one_space (void *ctx)
+{
+ token_list_t *list;
+ token_t *space;
+
+ list = _token_list_create (ctx);
+ space = _token_create_ival (list, SPACE, SPACE);
+ _token_list_append (list, space);
+
+ return list;
+}
+
+static void
+_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list)
+{
+ token_list_t *expanded;
+ token_t *token;
+
+ expanded = _token_list_create (parser);
+ token = _token_create_ival (parser, type, type);
+ _token_list_append (expanded, token);
+ _glcpp_parser_expand_token_list (parser, list);
+ _token_list_append_list (expanded, list);
+ glcpp_parser_lex_from (parser, expanded);
+}
+
+/* This is a helper function that's essentially part of the
+ * implementation of _glcpp_parser_expand_node. It shouldn't be called
+ * except for by that function.
+ *
+ * Returns NULL if node is a simple token with no expansion, (that is,
+ * although 'node' corresponds to an identifier defined as a
+ * function-like macro, it is not followed with a parenthesized
+ * argument list).
+ *
+ * Compute the complete expansion of node (which is a function-like
+ * macro) and subsequent nodes which are arguments.
+ *
+ * Returns the token list that results from the expansion and sets
+ * *last to the last node in the list that was consumed by the
+ * expansion. Specifically, *last will be set as follows: as the
+ * token of the closing right parenthesis.
+ */
+static token_list_t *
+_glcpp_parser_expand_function (glcpp_parser_t *parser,
+ token_node_t *node,
+ token_node_t **last)
+
+{
+ macro_t *macro;
+ const char *identifier;
+ argument_list_t *arguments;
+ function_status_t status;
+ token_list_t *substituted;
+ int parameter_index;
+
+ identifier = node->token->value.str;
+
+ macro = hash_table_find (parser->defines, identifier);
+
+ assert (macro->is_function);
+
+ arguments = _argument_list_create (parser);
+ status = _arguments_parse (arguments, node, last);
+
+ switch (status) {
+ case FUNCTION_STATUS_SUCCESS:
+ break;
+ case FUNCTION_NOT_A_FUNCTION:
+ return NULL;
+ case FUNCTION_UNBALANCED_PARENTHESES:
+ glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier);
+ return NULL;
+ }
+
+ /* Replace a macro defined as empty with a SPACE token. */
+ if (macro->replacements == NULL) {
+ talloc_free (arguments);
+ return _token_list_create_with_one_space (parser);
+ }
+
+ if (! ((_argument_list_length (arguments) ==
+ _string_list_length (macro->parameters)) ||
+ (_string_list_length (macro->parameters) == 0 &&
+ _argument_list_length (arguments) == 1 &&
+ arguments->head->argument->head == NULL)))
+ {
+ glcpp_error (&node->token->location, parser,
+ "Error: macro %s invoked with %d arguments (expected %d)\n",
+ identifier,
+ _argument_list_length (arguments),
+ _string_list_length (macro->parameters));
+ return NULL;
+ }
+
+ /* Perform argument substitution on the replacement list. */
+ substituted = _token_list_create (arguments);
+
+ for (node = macro->replacements->head; node; node = node->next)
+ {
+ if (node->token->type == IDENTIFIER &&
+ _string_list_contains (macro->parameters,
+ node->token->value.str,
+ &parameter_index))
+ {
+ token_list_t *argument;
+ argument = _argument_list_member_at (arguments,
+ parameter_index);
+ /* Before substituting, we expand the argument
+ * tokens, or append a placeholder token for
+ * an empty argument. */
+ if (argument->head) {
+ token_list_t *expanded_argument;
+ expanded_argument = _token_list_copy (parser,
+ argument);
+ _glcpp_parser_expand_token_list (parser,
+ expanded_argument);
+ _token_list_append_list (substituted,
+ expanded_argument);
+ } else {
+ token_t *new_token;
+
+ new_token = _token_create_ival (substituted,
+ PLACEHOLDER,
+ PLACEHOLDER);
+ _token_list_append (substituted, new_token);
+ }
+ } else {
+ _token_list_append (substituted, node->token);
+ }
+ }
+
+ /* After argument substitution, and before further expansion
+ * below, implement token pasting. */
+
+ _token_list_trim_trailing_space (substituted);
+
+ node = substituted->head;
+ while (node)
+ {
+ token_node_t *next_non_space;
+
+ /* Look ahead for a PASTE token, skipping space. */
+ next_non_space = node->next;
+ while (next_non_space && next_non_space->token->type == SPACE)
+ next_non_space = next_non_space->next;
+
+ if (next_non_space == NULL)
+ break;
+
+ if (next_non_space->token->type != PASTE) {
+ node = next_non_space;
+ continue;
+ }
+
+ /* Now find the next non-space token after the PASTE. */
+ next_non_space = next_non_space->next;
+ while (next_non_space && next_non_space->token->type == SPACE)
+ next_non_space = next_non_space->next;
+
+ if (next_non_space == NULL) {
+ yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n");
+ return NULL;
+ }
+
+ node->token = _token_paste (parser, node->token, next_non_space->token);
+ node->next = next_non_space->next;
+ if (next_non_space == substituted->tail)
+ substituted->tail = node;
+
+ node = node->next;
+ }
+
+ substituted->non_space_tail = substituted->tail;
+
+ return substituted;
+}
+
+/* Compute the complete expansion of node, (and subsequent nodes after
+ * 'node' in the case that 'node' is a function-like macro and
+ * subsequent nodes are arguments).
+ *
+ * Returns NULL if node is a simple token with no expansion.
+ *
+ * Otherwise, returns the token list that results from the expansion
+ * and sets *last to the last node in the list that was consumed by
+ * the expansion. Specifically, *last will be set as follows:
+ *
+ * As 'node' in the case of object-like macro expansion.
+ *
+ * As the token of the closing right parenthesis in the case of
+ * function-like macro expansion.
+ */
+static token_list_t *
+_glcpp_parser_expand_node (glcpp_parser_t *parser,
+ token_node_t *node,
+ token_node_t **last)
+{
+ token_t *token = node->token;
+ const char *identifier;
+ macro_t *macro;
+
+ /* We only expand identifiers */
+ if (token->type != IDENTIFIER) {
+ /* We change any COMMA into a COMMA_FINAL to prevent
+ * it being mistaken for an argument separator
+ * later. */
+ if (token->type == ',') {
+ token->type = COMMA_FINAL;
+ token->value.ival = COMMA_FINAL;
+ }
+
+ return NULL;
+ }
+
+ /* Look up this identifier in the hash table. */
+ identifier = token->value.str;
+ macro = hash_table_find (parser->defines, identifier);
+
+ /* Not a macro, so no expansion needed. */
+ if (macro == NULL)
+ return NULL;
+
+ /* Finally, don't expand this macro if we're already actively
+ * expanding it, (to avoid infinite recursion). */
+ if (_active_list_contains (parser->active, identifier)) {
+ /* We change the token type here from IDENTIFIER to
+ * OTHER to prevent any future expansion of this
+ * unexpanded token. */
+ char *str;
+ token_list_t *expansion;
+ token_t *final;
+
+ str = talloc_strdup (parser, token->value.str);
+ final = _token_create_str (parser, OTHER, str);
+ expansion = _token_list_create (parser);
+ _token_list_append (expansion, final);
+ *last = node;
+ return expansion;
+ }
+
+ if (! macro->is_function)
+ {
+ *last = node;
+
+ /* Replace a macro defined as empty with a SPACE token. */
+ if (macro->replacements == NULL)
+ return _token_list_create_with_one_space (parser);
+
+ return _token_list_copy (parser, macro->replacements);
+ }
+
+ return _glcpp_parser_expand_function (parser, node, last);
+}
+
+/* Push a new identifier onto the active list, returning the new list.
+ *
+ * Here, 'marker' is the token node that appears in the list after the
+ * expansion of 'identifier'. That is, when the list iterator begins
+ * examinging 'marker', then it is time to pop this node from the
+ * active stack.
+ */
+active_list_t *
+_active_list_push (active_list_t *list,
+ const char *identifier,
+ token_node_t *marker)
+{
+ active_list_t *node;
+
+ node = talloc (list, active_list_t);
+ node->identifier = talloc_strdup (node, identifier);
+ node->marker = marker;
+ node->next = list;
+
+ return node;
+}
+
+active_list_t *
+_active_list_pop (active_list_t *list)
+{
+ active_list_t *node = list;
+
+ if (node == NULL)
+ return NULL;
+
+ node = list->next;
+ talloc_free (list);
+
+ return node;
+}
+
+int
+_active_list_contains (active_list_t *list, const char *identifier)
+{
+ active_list_t *node;
+
+ if (list == NULL)
+ return 0;
+
+ for (node = list; node; node = node->next)
+ if (strcmp (node->identifier, identifier) == 0)
+ return 1;
+
+ return 0;
+}
+
+/* Walk over the token list replacing nodes with their expansion.
+ * Whenever nodes are expanded the walking will walk over the new
+ * nodes, continuing to expand as necessary. The results are placed in
+ * 'list' itself;
+ */
+static void
+_glcpp_parser_expand_token_list (glcpp_parser_t *parser,
+ token_list_t *list)
+{
+ token_node_t *node_prev;
+ token_node_t *node, *last = NULL;
+ token_list_t *expansion;
+
+ if (list == NULL)
+ return;
+
+ _token_list_trim_trailing_space (list);
+
+ node_prev = NULL;
+ node = list->head;
+
+ while (node) {
+
+ while (parser->active && parser->active->marker == node)
+ parser->active = _active_list_pop (parser->active);
+
+ /* Find the expansion for node, which will replace all
+ * nodes from node to last, inclusive. */
+ expansion = _glcpp_parser_expand_node (parser, node, &last);
+ if (expansion) {
+ token_node_t *n;
+
+ for (n = node; n != last->next; n = n->next)
+ while (parser->active &&
+ parser->active->marker == n)
+ {
+ parser->active = _active_list_pop (parser->active);
+ }
+
+ parser->active = _active_list_push (parser->active,
+ node->token->value.str,
+ last->next);
+
+ /* Splice expansion into list, supporting a
+ * simple deletion if the expansion is
+ * empty. */
+ if (expansion->head) {
+ if (node_prev)
+ node_prev->next = expansion->head;
+ else
+ list->head = expansion->head;
+ expansion->tail->next = last->next;
+ if (last == list->tail)
+ list->tail = expansion->tail;
+ } else {
+ if (node_prev)
+ node_prev->next = last->next;
+ else
+ list->head = last->next;
+ if (last == list->tail)
+ list->tail = NULL;
+ }
+ } else {
+ node_prev = node;
+ }
+ node = node_prev ? node_prev->next : list->head;
+ }
+
+ while (parser->active)
+ parser->active = _active_list_pop (parser->active);
+
+ list->non_space_tail = list->tail;
+}
+
+void
+_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser,
+ token_list_t *list)
+{
+ if (list == NULL)
+ return;
+
+ _glcpp_parser_expand_token_list (parser, list);
+
+ _token_list_trim_trailing_space (list);
+
+ _token_list_print (parser, list);
+}
+
+static void
+_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc,
+ const char *identifier)
+{
+ /* According to the GLSL specification, macro names starting with "__"
+ * or "GL_" are reserved for future use. So, don't allow them.
+ */
+ if (strncmp(identifier, "__", 2) == 0) {
+ glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n");
+ }
+ if (strncmp(identifier, "GL_", 3) == 0) {
+ glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n");
+ }
+}
+
+static int
+_macro_equal (macro_t *a, macro_t *b)
+{
+ if (a->is_function != b->is_function)
+ return 0;
+
+ if (a->is_function) {
+ if (! _string_list_equal (a->parameters, b->parameters))
+ return 0;
+ }
+
+ return _token_list_equal_ignoring_space (a->replacements,
+ b->replacements);
+}
+
+void
+_define_object_macro (glcpp_parser_t *parser,
+ YYLTYPE *loc,
+ const char *identifier,
+ token_list_t *replacements)
+{
+ macro_t *macro, *previous;
+
+ if (loc != NULL)
+ _check_for_reserved_macro_name(parser, loc, identifier);
+
+ macro = talloc (parser, macro_t);
+
+ macro->is_function = 0;
+ macro->parameters = NULL;
+ macro->identifier = talloc_strdup (macro, identifier);
+ macro->replacements = talloc_steal (macro, replacements);
+
+ previous = hash_table_find (parser->defines, identifier);
+ if (previous) {
+ if (_macro_equal (macro, previous)) {
+ talloc_free (macro);
+ return;
+ }
+ glcpp_error (loc, parser, "Redefinition of macro %s\n",
+ identifier);
+ }
+
+ hash_table_insert (parser->defines, macro, identifier);
+}
+
+void
+_define_function_macro (glcpp_parser_t *parser,
+ YYLTYPE *loc,
+ const char *identifier,
+ string_list_t *parameters,
+ token_list_t *replacements)
+{
+ macro_t *macro, *previous;
+
+ _check_for_reserved_macro_name(parser, loc, identifier);
+
+ macro = talloc (parser, macro_t);
+
+ macro->is_function = 1;
+ macro->parameters = talloc_steal (macro, parameters);
+ macro->identifier = talloc_strdup (macro, identifier);
+ macro->replacements = talloc_steal (macro, replacements);
+
+ previous = hash_table_find (parser->defines, identifier);
+ if (previous) {
+ if (_macro_equal (macro, previous)) {
+ talloc_free (macro);
+ return;
+ }
+ glcpp_error (loc, parser, "Redefinition of macro %s\n",
+ identifier);
+ }
+
+ hash_table_insert (parser->defines, macro, identifier);
+}
+
+static int
+glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser)
+{
+ token_node_t *node;
+ int ret;
+
+ if (parser->lex_from_list == NULL) {
+ ret = glcpp_lex (yylval, yylloc, parser->scanner);
+
+ /* XXX: This ugly block of code exists for the sole
+ * purpose of converting a NEWLINE token into a SPACE
+ * token, but only in the case where we have seen a
+ * function-like macro name, but have not yet seen its
+ * closing parenthesis.
+ *
+ * There's perhaps a more compact way to do this with
+ * mid-rule actions in the grammar.
+ *
+ * I'm definitely not pleased with the complexity of
+ * this code here.
+ */
+ if (parser->newline_as_space)
+ {
+ if (ret == '(') {
+ parser->paren_count++;
+ } else if (ret == ')') {
+ parser->paren_count--;
+ if (parser->paren_count == 0)
+ parser->newline_as_space = 0;
+ } else if (ret == NEWLINE) {
+ ret = SPACE;
+ } else if (ret != SPACE) {
+ if (parser->paren_count == 0)
+ parser->newline_as_space = 0;
+ }
+ }
+ else if (parser->in_control_line)
+ {
+ if (ret == NEWLINE)
+ parser->in_control_line = 0;
+ }
+ else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC ||
+ ret == HASH_UNDEF || ret == HASH_IF ||
+ ret == HASH_IFDEF || ret == HASH_IFNDEF ||
+ ret == HASH_ELIF || ret == HASH_ELSE ||
+ ret == HASH_ENDIF || ret == HASH)
+ {
+ parser->in_control_line = 1;
+ }
+ else if (ret == IDENTIFIER)
+ {
+ macro_t *macro;
+ macro = hash_table_find (parser->defines,
+ yylval->str);
+ if (macro && macro->is_function) {
+ parser->newline_as_space = 1;
+ parser->paren_count = 0;
+ }
+ }
+
+ return ret;
+ }
+
+ node = parser->lex_from_node;
+
+ if (node == NULL) {
+ talloc_free (parser->lex_from_list);
+ parser->lex_from_list = NULL;
+ return NEWLINE;
+ }
+
+ *yylval = node->token->value;
+ ret = node->token->type;
+
+ parser->lex_from_node = node->next;
+
+ return ret;
+}
+
+static void
+glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list)
+{
+ token_node_t *node;
+
+ assert (parser->lex_from_list == NULL);
+
+ /* Copy list, eliminating any space tokens. */
+ parser->lex_from_list = _token_list_create (parser);
+
+ for (node = list->head; node; node = node->next) {
+ if (node->token->type == SPACE)
+ continue;
+ _token_list_append (parser->lex_from_list, node->token);
+ }
+
+ talloc_free (list);
+
+ parser->lex_from_node = parser->lex_from_list->head;
+
+ /* It's possible the list consisted of nothing but whitespace. */
+ if (parser->lex_from_node == NULL) {
+ talloc_free (parser->lex_from_list);
+ parser->lex_from_list = NULL;
+ }
+}
+
+static void
+_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc,
+ int condition)
+{
+ skip_type_t current = SKIP_NO_SKIP;
+ skip_node_t *node;
+
+ if (parser->skip_stack)
+ current = parser->skip_stack->type;
+
+ node = talloc (parser, skip_node_t);
+ node->loc = *loc;
+
+ if (current == SKIP_NO_SKIP) {
+ if (condition)
+ node->type = SKIP_NO_SKIP;
+ else
+ node->type = SKIP_TO_ELSE;
+ } else {
+ node->type = SKIP_TO_ENDIF;
+ }
+
+ node->next = parser->skip_stack;
+ parser->skip_stack = node;
+}
+
+static void
+_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc,
+ const char *type, int condition)
+{
+ if (parser->skip_stack == NULL) {
+ glcpp_error (loc, parser, "%s without #if\n", type);
+ return;
+ }
+
+ if (parser->skip_stack->type == SKIP_TO_ELSE) {
+ if (condition)
+ parser->skip_stack->type = SKIP_NO_SKIP;
+ } else {
+ parser->skip_stack->type = SKIP_TO_ENDIF;
+ }
+}
+
+static void
+_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc)
+{
+ skip_node_t *node;
+
+ if (parser->skip_stack == NULL) {
+ glcpp_error (loc, parser, "#endif without #if\n");
+ return;
+ }
+
+ node = parser->skip_stack;
+ parser->skip_stack = node->next;
+ talloc_free (node);
+}
+
diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.y b/mesalib/src/glsl/glcpp/glcpp-parse.y
index 797e61428..7976101bc 100644
--- a/mesalib/src/glsl/glcpp/glcpp-parse.y
+++ b/mesalib/src/glsl/glcpp/glcpp-parse.y
@@ -1,1890 +1,1890 @@
-%{
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-#include <inttypes.h>
-
-#include "glcpp.h"
-#include "main/core.h" /* for struct gl_extensions */
-#include "main/mtypes.h" /* for gl_api enum */
-
-#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str)
-#define glcpp_printf(stream, fmt, args, ...) \
- stream = talloc_asprintf_append(stream, fmt, args)
-
-static void
-yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error);
-
-static void
-_define_object_macro (glcpp_parser_t *parser,
- YYLTYPE *loc,
- const char *macro,
- token_list_t *replacements);
-
-static void
-_define_function_macro (glcpp_parser_t *parser,
- YYLTYPE *loc,
- const char *macro,
- string_list_t *parameters,
- token_list_t *replacements);
-
-static string_list_t *
-_string_list_create (void *ctx);
-
-static void
-_string_list_append_item (string_list_t *list, const char *str);
-
-static int
-_string_list_contains (string_list_t *list, const char *member, int *index);
-
-static int
-_string_list_length (string_list_t *list);
-
-static int
-_string_list_equal (string_list_t *a, string_list_t *b);
-
-static argument_list_t *
-_argument_list_create (void *ctx);
-
-static void
-_argument_list_append (argument_list_t *list, token_list_t *argument);
-
-static int
-_argument_list_length (argument_list_t *list);
-
-static token_list_t *
-_argument_list_member_at (argument_list_t *list, int index);
-
-/* Note: This function talloc_steal()s the str pointer. */
-static token_t *
-_token_create_str (void *ctx, int type, char *str);
-
-static token_t *
-_token_create_ival (void *ctx, int type, int ival);
-
-static token_list_t *
-_token_list_create (void *ctx);
-
-/* Note: This function calls talloc_steal on token. */
-static void
-_token_list_append (token_list_t *list, token_t *token);
-
-static void
-_token_list_append_list (token_list_t *list, token_list_t *tail);
-
-static int
-_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b);
-
-static active_list_t *
-_active_list_push (active_list_t *list,
- const char *identifier,
- token_node_t *marker);
-
-static active_list_t *
-_active_list_pop (active_list_t *list);
-
-int
-_active_list_contains (active_list_t *list, const char *identifier);
-
-static void
-_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list);
-
-static void
-_glcpp_parser_expand_token_list (glcpp_parser_t *parser,
- token_list_t *list);
-
-static void
-_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser,
- token_list_t *list);
-
-static void
-_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc,
- int condition);
-
-static void
-_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc,
- const char *type, int condition);
-
-static void
-_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc);
-
-#define yylex glcpp_parser_lex
-
-static int
-glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser);
-
-static void
-glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list);
-
-static void
-add_builtin_define(glcpp_parser_t *parser, const char *name, int value);
-
-%}
-
-%pure-parser
-%error-verbose
-
-%locations
-%initial-action {
- @$.first_line = 1;
- @$.first_column = 1;
- @$.last_line = 1;
- @$.last_column = 1;
- @$.source = 0;
-}
-
-%parse-param {glcpp_parser_t *parser}
-%lex-param {glcpp_parser_t *parser}
-
-%expect 0
-%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH HASH_DEFINE_FUNC HASH_DEFINE_OBJ HASH_ELIF HASH_ELSE HASH_ENDIF HASH_IF HASH_IFDEF HASH_IFNDEF HASH_UNDEF HASH_VERSION IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING NEWLINE OTHER PLACEHOLDER SPACE
-%token PASTE
-%type <ival> expression INTEGER operator SPACE integer_constant
-%type <str> IDENTIFIER INTEGER_STRING OTHER
-%type <string_list> identifier_list
-%type <token> preprocessing_token conditional_token
-%type <token_list> pp_tokens replacement_list text_line conditional_tokens
-%left OR
-%left AND
-%left '|'
-%left '^'
-%left '&'
-%left EQUAL NOT_EQUAL
-%left '<' '>' LESS_OR_EQUAL GREATER_OR_EQUAL
-%left LEFT_SHIFT RIGHT_SHIFT
-%left '+' '-'
-%left '*' '/' '%'
-%right UNARY
-
-%%
-
-input:
- /* empty */
-| input line
-;
-
-line:
- control_line {
- glcpp_print(parser->output, "\n");
- }
-| text_line {
- _glcpp_parser_print_expanded_token_list (parser, $1);
- glcpp_print(parser->output, "\n");
- talloc_free ($1);
- }
-| expanded_line
-| HASH non_directive
-;
-
-expanded_line:
- IF_EXPANDED expression NEWLINE {
- _glcpp_parser_skip_stack_push_if (parser, & @1, $2);
- }
-| ELIF_EXPANDED expression NEWLINE {
- _glcpp_parser_skip_stack_change_if (parser, & @1, "elif", $2);
- }
-;
-
-control_line:
- HASH_DEFINE_OBJ IDENTIFIER replacement_list NEWLINE {
- _define_object_macro (parser, & @2, $2, $3);
- }
-| HASH_DEFINE_FUNC IDENTIFIER '(' ')' replacement_list NEWLINE {
- _define_function_macro (parser, & @2, $2, NULL, $5);
- }
-| HASH_DEFINE_FUNC IDENTIFIER '(' identifier_list ')' replacement_list NEWLINE {
- _define_function_macro (parser, & @2, $2, $4, $6);
- }
-| HASH_UNDEF IDENTIFIER NEWLINE {
- macro_t *macro = hash_table_find (parser->defines, $2);
- if (macro) {
- hash_table_remove (parser->defines, $2);
- talloc_free (macro);
- }
- talloc_free ($2);
- }
-| HASH_IF conditional_tokens NEWLINE {
- /* Be careful to only evaluate the 'if' expression if
- * we are not skipping. When we are skipping, we
- * simply push a new 0-valued 'if' onto the skip
- * stack.
- *
- * This avoids generating diagnostics for invalid
- * expressions that are being skipped. */
- if (parser->skip_stack == NULL ||
- parser->skip_stack->type == SKIP_NO_SKIP)
- {
- _glcpp_parser_expand_if (parser, IF_EXPANDED, $2);
- }
- else
- {
- _glcpp_parser_skip_stack_push_if (parser, & @1, 0);
- parser->skip_stack->type = SKIP_TO_ENDIF;
- }
- }
-| HASH_IF NEWLINE {
- /* #if without an expression is only an error if we
- * are not skipping */
- if (parser->skip_stack == NULL ||
- parser->skip_stack->type == SKIP_NO_SKIP)
- {
- glcpp_error(& @1, parser, "#if with no expression");
- }
- _glcpp_parser_skip_stack_push_if (parser, & @1, 0);
- }
-| HASH_IFDEF IDENTIFIER junk NEWLINE {
- macro_t *macro = hash_table_find (parser->defines, $2);
- talloc_free ($2);
- _glcpp_parser_skip_stack_push_if (parser, & @1, macro != NULL);
- }
-| HASH_IFNDEF IDENTIFIER junk NEWLINE {
- macro_t *macro = hash_table_find (parser->defines, $2);
- talloc_free ($2);
- _glcpp_parser_skip_stack_push_if (parser, & @1, macro == NULL);
- }
-| HASH_ELIF conditional_tokens NEWLINE {
- /* Be careful to only evaluate the 'elif' expression
- * if we are not skipping. When we are skipping, we
- * simply change to a 0-valued 'elif' on the skip
- * stack.
- *
- * This avoids generating diagnostics for invalid
- * expressions that are being skipped. */
- if (parser->skip_stack &&
- parser->skip_stack->type == SKIP_TO_ELSE)
- {
- _glcpp_parser_expand_if (parser, ELIF_EXPANDED, $2);
- }
- else
- {
- _glcpp_parser_skip_stack_change_if (parser, & @1,
- "elif", 0);
- }
- }
-| HASH_ELIF NEWLINE {
- /* #elif without an expression is an error unless we
- * are skipping. */
- if (parser->skip_stack &&
- parser->skip_stack->type == SKIP_TO_ELSE)
- {
- glcpp_error(& @1, parser, "#elif with no expression");
- }
- else
- {
- _glcpp_parser_skip_stack_change_if (parser, & @1,
- "elif", 0);
- glcpp_warning(& @1, parser, "ignoring illegal #elif without expression");
- }
- }
-| HASH_ELSE NEWLINE {
- _glcpp_parser_skip_stack_change_if (parser, & @1, "else", 1);
- }
-| HASH_ENDIF NEWLINE {
- _glcpp_parser_skip_stack_pop (parser, & @1);
- }
-| HASH_VERSION integer_constant NEWLINE {
- macro_t *macro = hash_table_find (parser->defines, "__VERSION__");
- if (macro) {
- hash_table_remove (parser->defines, "__VERSION__");
- talloc_free (macro);
- }
- add_builtin_define (parser, "__VERSION__", $2);
-
- if ($2 == 100)
- add_builtin_define (parser, "GL_ES", 1);
-
- /* Currently, all ES2 implementations support highp in the
- * fragment shader, so we always define this macro in ES2.
- * If we ever get a driver that doesn't support highp, we'll
- * need to add a flag to the gl_context and check that here.
- */
- if ($2 >= 130 || $2 == 100)
- add_builtin_define (parser, "GL_FRAGMENT_PRECISION_HIGH", 1);
-
- glcpp_printf(parser->output, "#version %" PRIiMAX, $2);
- }
-| HASH NEWLINE
-;
-
-integer_constant:
- INTEGER_STRING {
- if (strlen ($1) >= 3 && strncmp ($1, "0x", 2) == 0) {
- $$ = strtoll ($1 + 2, NULL, 16);
- } else if ($1[0] == '0') {
- $$ = strtoll ($1, NULL, 8);
- } else {
- $$ = strtoll ($1, NULL, 10);
- }
- }
-| INTEGER {
- $$ = $1;
- }
-
-expression:
- integer_constant
-| expression OR expression {
- $$ = $1 || $3;
- }
-| expression AND expression {
- $$ = $1 && $3;
- }
-| expression '|' expression {
- $$ = $1 | $3;
- }
-| expression '^' expression {
- $$ = $1 ^ $3;
- }
-| expression '&' expression {
- $$ = $1 & $3;
- }
-| expression NOT_EQUAL expression {
- $$ = $1 != $3;
- }
-| expression EQUAL expression {
- $$ = $1 == $3;
- }
-| expression GREATER_OR_EQUAL expression {
- $$ = $1 >= $3;
- }
-| expression LESS_OR_EQUAL expression {
- $$ = $1 <= $3;
- }
-| expression '>' expression {
- $$ = $1 > $3;
- }
-| expression '<' expression {
- $$ = $1 < $3;
- }
-| expression RIGHT_SHIFT expression {
- $$ = $1 >> $3;
- }
-| expression LEFT_SHIFT expression {
- $$ = $1 << $3;
- }
-| expression '-' expression {
- $$ = $1 - $3;
- }
-| expression '+' expression {
- $$ = $1 + $3;
- }
-| expression '%' expression {
- $$ = $1 % $3;
- }
-| expression '/' expression {
- if ($3 == 0) {
- yyerror (& @1, parser,
- "division by 0 in preprocessor directive");
- } else {
- $$ = $1 / $3;
- }
- }
-| expression '*' expression {
- $$ = $1 * $3;
- }
-| '!' expression %prec UNARY {
- $$ = ! $2;
- }
-| '~' expression %prec UNARY {
- $$ = ~ $2;
- }
-| '-' expression %prec UNARY {
- $$ = - $2;
- }
-| '+' expression %prec UNARY {
- $$ = + $2;
- }
-| '(' expression ')' {
- $$ = $2;
- }
-;
-
-identifier_list:
- IDENTIFIER {
- $$ = _string_list_create (parser);
- _string_list_append_item ($$, $1);
- talloc_steal ($$, $1);
- }
-| identifier_list ',' IDENTIFIER {
- $$ = $1;
- _string_list_append_item ($$, $3);
- talloc_steal ($$, $3);
- }
-;
-
-text_line:
- NEWLINE { $$ = NULL; }
-| pp_tokens NEWLINE
-;
-
-non_directive:
- pp_tokens NEWLINE {
- yyerror (& @1, parser, "Invalid tokens after #");
- }
-;
-
-replacement_list:
- /* empty */ { $$ = NULL; }
-| pp_tokens
-;
-
-junk:
- /* empty */
-| pp_tokens {
- glcpp_warning(&@1, parser, "extra tokens at end of directive");
- }
-;
-
-conditional_token:
- /* Handle "defined" operator */
- DEFINED IDENTIFIER {
- int v = hash_table_find (parser->defines, $2) ? 1 : 0;
- $$ = _token_create_ival (parser, INTEGER, v);
- }
-| DEFINED '(' IDENTIFIER ')' {
- int v = hash_table_find (parser->defines, $3) ? 1 : 0;
- $$ = _token_create_ival (parser, INTEGER, v);
- }
-| preprocessing_token
-;
-
-conditional_tokens:
- /* Exactly the same as pp_tokens, but using conditional_token */
- conditional_token {
- $$ = _token_list_create (parser);
- _token_list_append ($$, $1);
- }
-| conditional_tokens conditional_token {
- $$ = $1;
- _token_list_append ($$, $2);
- }
-;
-
-pp_tokens:
- preprocessing_token {
- parser->space_tokens = 1;
- $$ = _token_list_create (parser);
- _token_list_append ($$, $1);
- }
-| pp_tokens preprocessing_token {
- $$ = $1;
- _token_list_append ($$, $2);
- }
-;
-
-preprocessing_token:
- IDENTIFIER {
- $$ = _token_create_str (parser, IDENTIFIER, $1);
- $$->location = yylloc;
- }
-| INTEGER_STRING {
- $$ = _token_create_str (parser, INTEGER_STRING, $1);
- $$->location = yylloc;
- }
-| operator {
- $$ = _token_create_ival (parser, $1, $1);
- $$->location = yylloc;
- }
-| OTHER {
- $$ = _token_create_str (parser, OTHER, $1);
- $$->location = yylloc;
- }
-| SPACE {
- $$ = _token_create_ival (parser, SPACE, SPACE);
- $$->location = yylloc;
- }
-;
-
-operator:
- '[' { $$ = '['; }
-| ']' { $$ = ']'; }
-| '(' { $$ = '('; }
-| ')' { $$ = ')'; }
-| '{' { $$ = '{'; }
-| '}' { $$ = '}'; }
-| '.' { $$ = '.'; }
-| '&' { $$ = '&'; }
-| '*' { $$ = '*'; }
-| '+' { $$ = '+'; }
-| '-' { $$ = '-'; }
-| '~' { $$ = '~'; }
-| '!' { $$ = '!'; }
-| '/' { $$ = '/'; }
-| '%' { $$ = '%'; }
-| LEFT_SHIFT { $$ = LEFT_SHIFT; }
-| RIGHT_SHIFT { $$ = RIGHT_SHIFT; }
-| '<' { $$ = '<'; }
-| '>' { $$ = '>'; }
-| LESS_OR_EQUAL { $$ = LESS_OR_EQUAL; }
-| GREATER_OR_EQUAL { $$ = GREATER_OR_EQUAL; }
-| EQUAL { $$ = EQUAL; }
-| NOT_EQUAL { $$ = NOT_EQUAL; }
-| '^' { $$ = '^'; }
-| '|' { $$ = '|'; }
-| AND { $$ = AND; }
-| OR { $$ = OR; }
-| ';' { $$ = ';'; }
-| ',' { $$ = ','; }
-| '=' { $$ = '='; }
-| PASTE { $$ = PASTE; }
-;
-
-%%
-
-string_list_t *
-_string_list_create (void *ctx)
-{
- string_list_t *list;
-
- list = talloc (ctx, string_list_t);
- list->head = NULL;
- list->tail = NULL;
-
- return list;
-}
-
-void
-_string_list_append_item (string_list_t *list, const char *str)
-{
- string_node_t *node;
-
- node = talloc (list, string_node_t);
- node->str = talloc_strdup (node, str);
-
- node->next = NULL;
-
- if (list->head == NULL) {
- list->head = node;
- } else {
- list->tail->next = node;
- }
-
- list->tail = node;
-}
-
-int
-_string_list_contains (string_list_t *list, const char *member, int *index)
-{
- string_node_t *node;
- int i;
-
- if (list == NULL)
- return 0;
-
- for (i = 0, node = list->head; node; i++, node = node->next) {
- if (strcmp (node->str, member) == 0) {
- if (index)
- *index = i;
- return 1;
- }
- }
-
- return 0;
-}
-
-int
-_string_list_length (string_list_t *list)
-{
- int length = 0;
- string_node_t *node;
-
- if (list == NULL)
- return 0;
-
- for (node = list->head; node; node = node->next)
- length++;
-
- return length;
-}
-
-int
-_string_list_equal (string_list_t *a, string_list_t *b)
-{
- string_node_t *node_a, *node_b;
-
- if (a == NULL && b == NULL)
- return 1;
-
- if (a == NULL || b == NULL)
- return 0;
-
- for (node_a = a->head, node_b = b->head;
- node_a && node_b;
- node_a = node_a->next, node_b = node_b->next)
- {
- if (strcmp (node_a->str, node_b->str))
- return 0;
- }
-
- /* Catch the case of lists being different lengths, (which
- * would cause the loop above to terminate after the shorter
- * list). */
- return node_a == node_b;
-}
-
-argument_list_t *
-_argument_list_create (void *ctx)
-{
- argument_list_t *list;
-
- list = talloc (ctx, argument_list_t);
- list->head = NULL;
- list->tail = NULL;
-
- return list;
-}
-
-void
-_argument_list_append (argument_list_t *list, token_list_t *argument)
-{
- argument_node_t *node;
-
- node = talloc (list, argument_node_t);
- node->argument = argument;
-
- node->next = NULL;
-
- if (list->head == NULL) {
- list->head = node;
- } else {
- list->tail->next = node;
- }
-
- list->tail = node;
-}
-
-int
-_argument_list_length (argument_list_t *list)
-{
- int length = 0;
- argument_node_t *node;
-
- if (list == NULL)
- return 0;
-
- for (node = list->head; node; node = node->next)
- length++;
-
- return length;
-}
-
-token_list_t *
-_argument_list_member_at (argument_list_t *list, int index)
-{
- argument_node_t *node;
- int i;
-
- if (list == NULL)
- return NULL;
-
- node = list->head;
- for (i = 0; i < index; i++) {
- node = node->next;
- if (node == NULL)
- break;
- }
-
- if (node)
- return node->argument;
-
- return NULL;
-}
-
-/* Note: This function talloc_steal()s the str pointer. */
-token_t *
-_token_create_str (void *ctx, int type, char *str)
-{
- token_t *token;
-
- token = talloc (ctx, token_t);
- token->type = type;
- token->value.str = talloc_steal (token, str);
-
- return token;
-}
-
-token_t *
-_token_create_ival (void *ctx, int type, int ival)
-{
- token_t *token;
-
- token = talloc (ctx, token_t);
- token->type = type;
- token->value.ival = ival;
-
- return token;
-}
-
-token_list_t *
-_token_list_create (void *ctx)
-{
- token_list_t *list;
-
- list = talloc (ctx, token_list_t);
- list->head = NULL;
- list->tail = NULL;
- list->non_space_tail = NULL;
-
- return list;
-}
-
-void
-_token_list_append (token_list_t *list, token_t *token)
-{
- token_node_t *node;
-
- node = talloc (list, token_node_t);
- node->token = talloc_steal (list, token);
-
- node->next = NULL;
-
- if (list->head == NULL) {
- list->head = node;
- } else {
- list->tail->next = node;
- }
-
- list->tail = node;
- if (token->type != SPACE)
- list->non_space_tail = node;
-}
-
-void
-_token_list_append_list (token_list_t *list, token_list_t *tail)
-{
- if (tail == NULL || tail->head == NULL)
- return;
-
- if (list->head == NULL) {
- list->head = tail->head;
- } else {
- list->tail->next = tail->head;
- }
-
- list->tail = tail->tail;
- list->non_space_tail = tail->non_space_tail;
-}
-
-static token_list_t *
-_token_list_copy (void *ctx, token_list_t *other)
-{
- token_list_t *copy;
- token_node_t *node;
-
- if (other == NULL)
- return NULL;
-
- copy = _token_list_create (ctx);
- for (node = other->head; node; node = node->next) {
- token_t *new_token = talloc (copy, token_t);
- *new_token = *node->token;
- _token_list_append (copy, new_token);
- }
-
- return copy;
-}
-
-static void
-_token_list_trim_trailing_space (token_list_t *list)
-{
- token_node_t *tail, *next;
-
- if (list->non_space_tail) {
- tail = list->non_space_tail->next;
- list->non_space_tail->next = NULL;
- list->tail = list->non_space_tail;
-
- while (tail) {
- next = tail->next;
- talloc_free (tail);
- tail = next;
- }
- }
-}
-
-int
-_token_list_is_empty_ignoring_space (token_list_t *l)
-{
- token_node_t *n;
-
- if (l == NULL)
- return 1;
-
- n = l->head;
- while (n != NULL && n->token->type == SPACE)
- n = n->next;
-
- return n == NULL;
-}
-
-int
-_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b)
-{
- token_node_t *node_a, *node_b;
-
- if (a == NULL || b == NULL) {
- int a_empty = _token_list_is_empty_ignoring_space(a);
- int b_empty = _token_list_is_empty_ignoring_space(b);
- return a_empty == b_empty;
- }
-
- node_a = a->head;
- node_b = b->head;
-
- while (1)
- {
- if (node_a == NULL && node_b == NULL)
- break;
-
- if (node_a == NULL || node_b == NULL)
- return 0;
-
- if (node_a->token->type == SPACE) {
- node_a = node_a->next;
- continue;
- }
-
- if (node_b->token->type == SPACE) {
- node_b = node_b->next;
- continue;
- }
-
- if (node_a->token->type != node_b->token->type)
- return 0;
-
- switch (node_a->token->type) {
- case INTEGER:
- if (node_a->token->value.ival !=
- node_b->token->value.ival)
- {
- return 0;
- }
- break;
- case IDENTIFIER:
- case INTEGER_STRING:
- case OTHER:
- if (strcmp (node_a->token->value.str,
- node_b->token->value.str))
- {
- return 0;
- }
- break;
- }
-
- node_a = node_a->next;
- node_b = node_b->next;
- }
-
- return 1;
-}
-
-static void
-_token_print (char **out, token_t *token)
-{
- if (token->type < 256) {
- glcpp_printf (*out, "%c", token->type);
- return;
- }
-
- switch (token->type) {
- case INTEGER:
- glcpp_printf (*out, "%" PRIiMAX, token->value.ival);
- break;
- case IDENTIFIER:
- case INTEGER_STRING:
- case OTHER:
- glcpp_print (*out, token->value.str);
- break;
- case SPACE:
- glcpp_print (*out, " ");
- break;
- case LEFT_SHIFT:
- glcpp_print (*out, "<<");
- break;
- case RIGHT_SHIFT:
- glcpp_print (*out, ">>");
- break;
- case LESS_OR_EQUAL:
- glcpp_print (*out, "<=");
- break;
- case GREATER_OR_EQUAL:
- glcpp_print (*out, ">=");
- break;
- case EQUAL:
- glcpp_print (*out, "==");
- break;
- case NOT_EQUAL:
- glcpp_print (*out, "!=");
- break;
- case AND:
- glcpp_print (*out, "&&");
- break;
- case OR:
- glcpp_print (*out, "||");
- break;
- case PASTE:
- glcpp_print (*out, "##");
- break;
- case COMMA_FINAL:
- glcpp_print (*out, ",");
- break;
- case PLACEHOLDER:
- /* Nothing to print. */
- break;
- default:
- assert(!"Error: Don't know how to print token.");
- break;
- }
-}
-
-/* Return a new token (talloc()ed off of 'token') formed by pasting
- * 'token' and 'other'. Note that this function may return 'token' or
- * 'other' directly rather than allocating anything new.
- *
- * Caution: Only very cursory error-checking is performed to see if
- * the final result is a valid single token. */
-static token_t *
-_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other)
-{
- token_t *combined = NULL;
-
- /* Pasting a placeholder onto anything makes no change. */
- if (other->type == PLACEHOLDER)
- return token;
-
- /* When 'token' is a placeholder, just return 'other'. */
- if (token->type == PLACEHOLDER)
- return other;
-
- /* A very few single-character punctuators can be combined
- * with another to form a multi-character punctuator. */
- switch (token->type) {
- case '<':
- if (other->type == '<')
- combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT);
- else if (other->type == '=')
- combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL);
- break;
- case '>':
- if (other->type == '>')
- combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT);
- else if (other->type == '=')
- combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL);
- break;
- case '=':
- if (other->type == '=')
- combined = _token_create_ival (token, EQUAL, EQUAL);
- break;
- case '!':
- if (other->type == '=')
- combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL);
- break;
- case '&':
- if (other->type == '&')
- combined = _token_create_ival (token, AND, AND);
- break;
- case '|':
- if (other->type == '|')
- combined = _token_create_ival (token, OR, OR);
- break;
- }
-
- if (combined != NULL) {
- /* Inherit the location from the first token */
- combined->location = token->location;
- return combined;
- }
-
- /* Two string-valued tokens can usually just be mashed
- * together.
- *
- * XXX: This isn't actually legitimate. Several things here
- * should result in a diagnostic since the result cannot be a
- * valid, single pre-processing token. For example, pasting
- * "123" and "abc" is not legal, but we don't catch that
- * here. */
- if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) &&
- (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING))
- {
- char *str;
-
- str = talloc_asprintf (token, "%s%s", token->value.str,
- other->value.str);
- combined = _token_create_str (token, token->type, str);
- combined->location = token->location;
- return combined;
- }
-
- glcpp_error (&token->location, parser, "");
- glcpp_print (parser->info_log, "Pasting \"");
- _token_print (&parser->info_log, token);
- glcpp_print (parser->info_log, "\" and \"");
- _token_print (&parser->info_log, other);
- glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n");
-
- return token;
-}
-
-static void
-_token_list_print (glcpp_parser_t *parser, token_list_t *list)
-{
- token_node_t *node;
-
- if (list == NULL)
- return;
-
- for (node = list->head; node; node = node->next)
- _token_print (&parser->output, node->token);
-}
-
-void
-yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error)
-{
- glcpp_error(locp, parser, "%s", error);
-}
-
-static void add_builtin_define(glcpp_parser_t *parser,
- const char *name, int value)
-{
- token_t *tok;
- token_list_t *list;
-
- tok = _token_create_ival (parser, INTEGER, value);
-
- list = _token_list_create(parser);
- _token_list_append(list, tok);
- _define_object_macro(parser, NULL, name, list);
-}
-
-glcpp_parser_t *
-glcpp_parser_create (const struct gl_extensions *extensions, int api)
-{
- glcpp_parser_t *parser;
- int language_version;
-
- parser = talloc (NULL, glcpp_parser_t);
-
- glcpp_lex_init_extra (parser, &parser->scanner);
- parser->defines = hash_table_ctor (32, hash_table_string_hash,
- hash_table_string_compare);
- parser->active = NULL;
- parser->lexing_if = 0;
- parser->space_tokens = 1;
- parser->newline_as_space = 0;
- parser->in_control_line = 0;
- parser->paren_count = 0;
-
- parser->skip_stack = NULL;
-
- parser->lex_from_list = NULL;
- parser->lex_from_node = NULL;
-
- parser->output = talloc_strdup(parser, "");
- parser->info_log = talloc_strdup(parser, "");
- parser->error = 0;
-
- /* Add pre-defined macros. */
- add_builtin_define(parser, "GL_ARB_draw_buffers", 1);
- add_builtin_define(parser, "GL_ARB_texture_rectangle", 1);
-
- if (api == API_OPENGLES2)
- add_builtin_define(parser, "GL_ES", 1);
-
- if (extensions != NULL) {
- if (extensions->EXT_texture_array) {
- add_builtin_define(parser, "GL_EXT_texture_array", 1);
- }
-
- if (extensions->ARB_fragment_coord_conventions)
- add_builtin_define(parser, "GL_ARB_fragment_coord_conventions",
- 1);
-
- if (extensions->ARB_explicit_attrib_location)
- add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1);
- if (extensions->AMD_conservative_depth)
- add_builtin_define(parser, "GL_AMD_conservative_depth", 1);
- }
-
- language_version = 110;
- add_builtin_define(parser, "__VERSION__", language_version);
-
- return parser;
-}
-
-int
-glcpp_parser_parse (glcpp_parser_t *parser)
-{
- return yyparse (parser);
-}
-
-void
-glcpp_parser_destroy (glcpp_parser_t *parser)
-{
- glcpp_lex_destroy (parser->scanner);
- hash_table_dtor (parser->defines);
- talloc_free (parser);
-}
-
-typedef enum function_status
-{
- FUNCTION_STATUS_SUCCESS,
- FUNCTION_NOT_A_FUNCTION,
- FUNCTION_UNBALANCED_PARENTHESES
-} function_status_t;
-
-/* Find a set of function-like macro arguments by looking for a
- * balanced set of parentheses.
- *
- * When called, 'node' should be the opening-parenthesis token, (or
- * perhaps preceeding SPACE tokens). Upon successful return *last will
- * be the last consumed node, (corresponding to the closing right
- * parenthesis).
- *
- * Return values:
- *
- * FUNCTION_STATUS_SUCCESS:
- *
- * Successfully parsed a set of function arguments.
- *
- * FUNCTION_NOT_A_FUNCTION:
- *
- * Macro name not followed by a '('. This is not an error, but
- * simply that the macro name should be treated as a non-macro.
- *
- * FUNCTION_UNBALANCED_PARENTHESES
- *
- * Macro name is not followed by a balanced set of parentheses.
- */
-static function_status_t
-_arguments_parse (argument_list_t *arguments,
- token_node_t *node,
- token_node_t **last)
-{
- token_list_t *argument;
- int paren_count;
-
- node = node->next;
-
- /* Ignore whitespace before first parenthesis. */
- while (node && node->token->type == SPACE)
- node = node->next;
-
- if (node == NULL || node->token->type != '(')
- return FUNCTION_NOT_A_FUNCTION;
-
- node = node->next;
-
- argument = _token_list_create (arguments);
- _argument_list_append (arguments, argument);
-
- for (paren_count = 1; node; node = node->next) {
- if (node->token->type == '(')
- {
- paren_count++;
- }
- else if (node->token->type == ')')
- {
- paren_count--;
- if (paren_count == 0)
- break;
- }
-
- if (node->token->type == ',' &&
- paren_count == 1)
- {
- _token_list_trim_trailing_space (argument);
- argument = _token_list_create (arguments);
- _argument_list_append (arguments, argument);
- }
- else {
- if (argument->head == NULL) {
- /* Don't treat initial whitespace as
- * part of the arguement. */
- if (node->token->type == SPACE)
- continue;
- }
- _token_list_append (argument, node->token);
- }
- }
-
- if (paren_count)
- return FUNCTION_UNBALANCED_PARENTHESES;
-
- *last = node;
-
- return FUNCTION_STATUS_SUCCESS;
-}
-
-static token_list_t *
-_token_list_create_with_one_space (void *ctx)
-{
- token_list_t *list;
- token_t *space;
-
- list = _token_list_create (ctx);
- space = _token_create_ival (list, SPACE, SPACE);
- _token_list_append (list, space);
-
- return list;
-}
-
-static void
-_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list)
-{
- token_list_t *expanded;
- token_t *token;
-
- expanded = _token_list_create (parser);
- token = _token_create_ival (parser, type, type);
- _token_list_append (expanded, token);
- _glcpp_parser_expand_token_list (parser, list);
- _token_list_append_list (expanded, list);
- glcpp_parser_lex_from (parser, expanded);
-}
-
-/* This is a helper function that's essentially part of the
- * implementation of _glcpp_parser_expand_node. It shouldn't be called
- * except for by that function.
- *
- * Returns NULL if node is a simple token with no expansion, (that is,
- * although 'node' corresponds to an identifier defined as a
- * function-like macro, it is not followed with a parenthesized
- * argument list).
- *
- * Compute the complete expansion of node (which is a function-like
- * macro) and subsequent nodes which are arguments.
- *
- * Returns the token list that results from the expansion and sets
- * *last to the last node in the list that was consumed by the
- * expansion. Specifically, *last will be set as follows: as the
- * token of the closing right parenthesis.
- */
-static token_list_t *
-_glcpp_parser_expand_function (glcpp_parser_t *parser,
- token_node_t *node,
- token_node_t **last)
-
-{
- macro_t *macro;
- const char *identifier;
- argument_list_t *arguments;
- function_status_t status;
- token_list_t *substituted;
- int parameter_index;
-
- identifier = node->token->value.str;
-
- macro = hash_table_find (parser->defines, identifier);
-
- assert (macro->is_function);
-
- arguments = _argument_list_create (parser);
- status = _arguments_parse (arguments, node, last);
-
- switch (status) {
- case FUNCTION_STATUS_SUCCESS:
- break;
- case FUNCTION_NOT_A_FUNCTION:
- return NULL;
- case FUNCTION_UNBALANCED_PARENTHESES:
- glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier);
- return NULL;
- }
-
- /* Replace a macro defined as empty with a SPACE token. */
- if (macro->replacements == NULL) {
- talloc_free (arguments);
- return _token_list_create_with_one_space (parser);
- }
-
- if (! ((_argument_list_length (arguments) ==
- _string_list_length (macro->parameters)) ||
- (_string_list_length (macro->parameters) == 0 &&
- _argument_list_length (arguments) == 1 &&
- arguments->head->argument->head == NULL)))
- {
- glcpp_error (&node->token->location, parser,
- "Error: macro %s invoked with %d arguments (expected %d)\n",
- identifier,
- _argument_list_length (arguments),
- _string_list_length (macro->parameters));
- return NULL;
- }
-
- /* Perform argument substitution on the replacement list. */
- substituted = _token_list_create (arguments);
-
- for (node = macro->replacements->head; node; node = node->next)
- {
- if (node->token->type == IDENTIFIER &&
- _string_list_contains (macro->parameters,
- node->token->value.str,
- &parameter_index))
- {
- token_list_t *argument;
- argument = _argument_list_member_at (arguments,
- parameter_index);
- /* Before substituting, we expand the argument
- * tokens, or append a placeholder token for
- * an empty argument. */
- if (argument->head) {
- token_list_t *expanded_argument;
- expanded_argument = _token_list_copy (parser,
- argument);
- _glcpp_parser_expand_token_list (parser,
- expanded_argument);
- _token_list_append_list (substituted,
- expanded_argument);
- } else {
- token_t *new_token;
-
- new_token = _token_create_ival (substituted,
- PLACEHOLDER,
- PLACEHOLDER);
- _token_list_append (substituted, new_token);
- }
- } else {
- _token_list_append (substituted, node->token);
- }
- }
-
- /* After argument substitution, and before further expansion
- * below, implement token pasting. */
-
- _token_list_trim_trailing_space (substituted);
-
- node = substituted->head;
- while (node)
- {
- token_node_t *next_non_space;
-
- /* Look ahead for a PASTE token, skipping space. */
- next_non_space = node->next;
- while (next_non_space && next_non_space->token->type == SPACE)
- next_non_space = next_non_space->next;
-
- if (next_non_space == NULL)
- break;
-
- if (next_non_space->token->type != PASTE) {
- node = next_non_space;
- continue;
- }
-
- /* Now find the next non-space token after the PASTE. */
- next_non_space = next_non_space->next;
- while (next_non_space && next_non_space->token->type == SPACE)
- next_non_space = next_non_space->next;
-
- if (next_non_space == NULL) {
- yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n");
- return NULL;
- }
-
- node->token = _token_paste (parser, node->token, next_non_space->token);
- node->next = next_non_space->next;
- if (next_non_space == substituted->tail)
- substituted->tail = node;
-
- node = node->next;
- }
-
- substituted->non_space_tail = substituted->tail;
-
- return substituted;
-}
-
-/* Compute the complete expansion of node, (and subsequent nodes after
- * 'node' in the case that 'node' is a function-like macro and
- * subsequent nodes are arguments).
- *
- * Returns NULL if node is a simple token with no expansion.
- *
- * Otherwise, returns the token list that results from the expansion
- * and sets *last to the last node in the list that was consumed by
- * the expansion. Specifically, *last will be set as follows:
- *
- * As 'node' in the case of object-like macro expansion.
- *
- * As the token of the closing right parenthesis in the case of
- * function-like macro expansion.
- */
-static token_list_t *
-_glcpp_parser_expand_node (glcpp_parser_t *parser,
- token_node_t *node,
- token_node_t **last)
-{
- token_t *token = node->token;
- const char *identifier;
- macro_t *macro;
-
- /* We only expand identifiers */
- if (token->type != IDENTIFIER) {
- /* We change any COMMA into a COMMA_FINAL to prevent
- * it being mistaken for an argument separator
- * later. */
- if (token->type == ',') {
- token->type = COMMA_FINAL;
- token->value.ival = COMMA_FINAL;
- }
-
- return NULL;
- }
-
- /* Look up this identifier in the hash table. */
- identifier = token->value.str;
- macro = hash_table_find (parser->defines, identifier);
-
- /* Not a macro, so no expansion needed. */
- if (macro == NULL)
- return NULL;
-
- /* Finally, don't expand this macro if we're already actively
- * expanding it, (to avoid infinite recursion). */
- if (_active_list_contains (parser->active, identifier)) {
- /* We change the token type here from IDENTIFIER to
- * OTHER to prevent any future expansion of this
- * unexpanded token. */
- char *str;
- token_list_t *expansion;
- token_t *final;
-
- str = talloc_strdup (parser, token->value.str);
- final = _token_create_str (parser, OTHER, str);
- expansion = _token_list_create (parser);
- _token_list_append (expansion, final);
- *last = node;
- return expansion;
- }
-
- if (! macro->is_function)
- {
- *last = node;
-
- /* Replace a macro defined as empty with a SPACE token. */
- if (macro->replacements == NULL)
- return _token_list_create_with_one_space (parser);
-
- return _token_list_copy (parser, macro->replacements);
- }
-
- return _glcpp_parser_expand_function (parser, node, last);
-}
-
-/* Push a new identifier onto the active list, returning the new list.
- *
- * Here, 'marker' is the token node that appears in the list after the
- * expansion of 'identifier'. That is, when the list iterator begins
- * examinging 'marker', then it is time to pop this node from the
- * active stack.
- */
-active_list_t *
-_active_list_push (active_list_t *list,
- const char *identifier,
- token_node_t *marker)
-{
- active_list_t *node;
-
- node = talloc (list, active_list_t);
- node->identifier = talloc_strdup (node, identifier);
- node->marker = marker;
- node->next = list;
-
- return node;
-}
-
-active_list_t *
-_active_list_pop (active_list_t *list)
-{
- active_list_t *node = list;
-
- if (node == NULL)
- return NULL;
-
- node = list->next;
- talloc_free (list);
-
- return node;
-}
-
-int
-_active_list_contains (active_list_t *list, const char *identifier)
-{
- active_list_t *node;
-
- if (list == NULL)
- return 0;
-
- for (node = list; node; node = node->next)
- if (strcmp (node->identifier, identifier) == 0)
- return 1;
-
- return 0;
-}
-
-/* Walk over the token list replacing nodes with their expansion.
- * Whenever nodes are expanded the walking will walk over the new
- * nodes, continuing to expand as necessary. The results are placed in
- * 'list' itself;
- */
-static void
-_glcpp_parser_expand_token_list (glcpp_parser_t *parser,
- token_list_t *list)
-{
- token_node_t *node_prev;
- token_node_t *node, *last = NULL;
- token_list_t *expansion;
-
- if (list == NULL)
- return;
-
- _token_list_trim_trailing_space (list);
-
- node_prev = NULL;
- node = list->head;
-
- while (node) {
-
- while (parser->active && parser->active->marker == node)
- parser->active = _active_list_pop (parser->active);
-
- /* Find the expansion for node, which will replace all
- * nodes from node to last, inclusive. */
- expansion = _glcpp_parser_expand_node (parser, node, &last);
- if (expansion) {
- token_node_t *n;
-
- for (n = node; n != last->next; n = n->next)
- while (parser->active &&
- parser->active->marker == n)
- {
- parser->active = _active_list_pop (parser->active);
- }
-
- parser->active = _active_list_push (parser->active,
- node->token->value.str,
- last->next);
-
- /* Splice expansion into list, supporting a
- * simple deletion if the expansion is
- * empty. */
- if (expansion->head) {
- if (node_prev)
- node_prev->next = expansion->head;
- else
- list->head = expansion->head;
- expansion->tail->next = last->next;
- if (last == list->tail)
- list->tail = expansion->tail;
- } else {
- if (node_prev)
- node_prev->next = last->next;
- else
- list->head = last->next;
- if (last == list->tail)
- list->tail = NULL;
- }
- } else {
- node_prev = node;
- }
- node = node_prev ? node_prev->next : list->head;
- }
-
- while (parser->active)
- parser->active = _active_list_pop (parser->active);
-
- list->non_space_tail = list->tail;
-}
-
-void
-_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser,
- token_list_t *list)
-{
- if (list == NULL)
- return;
-
- _glcpp_parser_expand_token_list (parser, list);
-
- _token_list_trim_trailing_space (list);
-
- _token_list_print (parser, list);
-}
-
-static void
-_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc,
- const char *identifier)
-{
- /* According to the GLSL specification, macro names starting with "__"
- * or "GL_" are reserved for future use. So, don't allow them.
- */
- if (strncmp(identifier, "__", 2) == 0) {
- glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n");
- }
- if (strncmp(identifier, "GL_", 3) == 0) {
- glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n");
- }
-}
-
-static int
-_macro_equal (macro_t *a, macro_t *b)
-{
- if (a->is_function != b->is_function)
- return 0;
-
- if (a->is_function) {
- if (! _string_list_equal (a->parameters, b->parameters))
- return 0;
- }
-
- return _token_list_equal_ignoring_space (a->replacements,
- b->replacements);
-}
-
-void
-_define_object_macro (glcpp_parser_t *parser,
- YYLTYPE *loc,
- const char *identifier,
- token_list_t *replacements)
-{
- macro_t *macro, *previous;
-
- if (loc != NULL)
- _check_for_reserved_macro_name(parser, loc, identifier);
-
- macro = talloc (parser, macro_t);
-
- macro->is_function = 0;
- macro->parameters = NULL;
- macro->identifier = talloc_strdup (macro, identifier);
- macro->replacements = talloc_steal (macro, replacements);
-
- previous = hash_table_find (parser->defines, identifier);
- if (previous) {
- if (_macro_equal (macro, previous)) {
- talloc_free (macro);
- return;
- }
- glcpp_warning (loc, parser, "Redefinition of macro %s\n",
- identifier);
- }
-
- hash_table_insert (parser->defines, macro, identifier);
-}
-
-void
-_define_function_macro (glcpp_parser_t *parser,
- YYLTYPE *loc,
- const char *identifier,
- string_list_t *parameters,
- token_list_t *replacements)
-{
- macro_t *macro, *previous;
-
- _check_for_reserved_macro_name(parser, loc, identifier);
-
- macro = talloc (parser, macro_t);
-
- macro->is_function = 1;
- macro->parameters = talloc_steal (macro, parameters);
- macro->identifier = talloc_strdup (macro, identifier);
- macro->replacements = talloc_steal (macro, replacements);
-
- previous = hash_table_find (parser->defines, identifier);
- if (previous) {
- if (_macro_equal (macro, previous)) {
- talloc_free (macro);
- return;
- }
- glcpp_warning (loc, parser, "Redefinition of macro %s\n",
- identifier);
- }
-
- hash_table_insert (parser->defines, macro, identifier);
-}
-
-static int
-glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser)
-{
- token_node_t *node;
- int ret;
-
- if (parser->lex_from_list == NULL) {
- ret = glcpp_lex (yylval, yylloc, parser->scanner);
-
- /* XXX: This ugly block of code exists for the sole
- * purpose of converting a NEWLINE token into a SPACE
- * token, but only in the case where we have seen a
- * function-like macro name, but have not yet seen its
- * closing parenthesis.
- *
- * There's perhaps a more compact way to do this with
- * mid-rule actions in the grammar.
- *
- * I'm definitely not pleased with the complexity of
- * this code here.
- */
- if (parser->newline_as_space)
- {
- if (ret == '(') {
- parser->paren_count++;
- } else if (ret == ')') {
- parser->paren_count--;
- if (parser->paren_count == 0)
- parser->newline_as_space = 0;
- } else if (ret == NEWLINE) {
- ret = SPACE;
- } else if (ret != SPACE) {
- if (parser->paren_count == 0)
- parser->newline_as_space = 0;
- }
- }
- else if (parser->in_control_line)
- {
- if (ret == NEWLINE)
- parser->in_control_line = 0;
- }
- else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC ||
- ret == HASH_UNDEF || ret == HASH_IF ||
- ret == HASH_IFDEF || ret == HASH_IFNDEF ||
- ret == HASH_ELIF || ret == HASH_ELSE ||
- ret == HASH_ENDIF || ret == HASH)
- {
- parser->in_control_line = 1;
- }
- else if (ret == IDENTIFIER)
- {
- macro_t *macro;
- macro = hash_table_find (parser->defines,
- yylval->str);
- if (macro && macro->is_function) {
- parser->newline_as_space = 1;
- parser->paren_count = 0;
- }
- }
-
- return ret;
- }
-
- node = parser->lex_from_node;
-
- if (node == NULL) {
- talloc_free (parser->lex_from_list);
- parser->lex_from_list = NULL;
- return NEWLINE;
- }
-
- *yylval = node->token->value;
- ret = node->token->type;
-
- parser->lex_from_node = node->next;
-
- return ret;
-}
-
-static void
-glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list)
-{
- token_node_t *node;
-
- assert (parser->lex_from_list == NULL);
-
- /* Copy list, eliminating any space tokens. */
- parser->lex_from_list = _token_list_create (parser);
-
- for (node = list->head; node; node = node->next) {
- if (node->token->type == SPACE)
- continue;
- _token_list_append (parser->lex_from_list, node->token);
- }
-
- talloc_free (list);
-
- parser->lex_from_node = parser->lex_from_list->head;
-
- /* It's possible the list consisted of nothing but whitespace. */
- if (parser->lex_from_node == NULL) {
- talloc_free (parser->lex_from_list);
- parser->lex_from_list = NULL;
- }
-}
-
-static void
-_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc,
- int condition)
-{
- skip_type_t current = SKIP_NO_SKIP;
- skip_node_t *node;
-
- if (parser->skip_stack)
- current = parser->skip_stack->type;
-
- node = talloc (parser, skip_node_t);
- node->loc = *loc;
-
- if (current == SKIP_NO_SKIP) {
- if (condition)
- node->type = SKIP_NO_SKIP;
- else
- node->type = SKIP_TO_ELSE;
- } else {
- node->type = SKIP_TO_ENDIF;
- }
-
- node->next = parser->skip_stack;
- parser->skip_stack = node;
-}
-
-static void
-_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc,
- const char *type, int condition)
-{
- if (parser->skip_stack == NULL) {
- glcpp_error (loc, parser, "%s without #if\n", type);
- return;
- }
-
- if (parser->skip_stack->type == SKIP_TO_ELSE) {
- if (condition)
- parser->skip_stack->type = SKIP_NO_SKIP;
- } else {
- parser->skip_stack->type = SKIP_TO_ENDIF;
- }
-}
-
-static void
-_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc)
-{
- skip_node_t *node;
-
- if (parser->skip_stack == NULL) {
- glcpp_error (loc, parser, "#endif without #if\n");
- return;
- }
-
- node = parser->skip_stack;
- parser->skip_stack = node->next;
- talloc_free (node);
-}
+%{
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <inttypes.h>
+
+#include "glcpp.h"
+#include "main/core.h" /* for struct gl_extensions */
+#include "main/mtypes.h" /* for gl_api enum */
+
+#define glcpp_print(stream, str) stream = talloc_strdup_append(stream, str)
+#define glcpp_printf(stream, fmt, args, ...) \
+ stream = talloc_asprintf_append(stream, fmt, args)
+
+static void
+yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error);
+
+static void
+_define_object_macro (glcpp_parser_t *parser,
+ YYLTYPE *loc,
+ const char *macro,
+ token_list_t *replacements);
+
+static void
+_define_function_macro (glcpp_parser_t *parser,
+ YYLTYPE *loc,
+ const char *macro,
+ string_list_t *parameters,
+ token_list_t *replacements);
+
+static string_list_t *
+_string_list_create (void *ctx);
+
+static void
+_string_list_append_item (string_list_t *list, const char *str);
+
+static int
+_string_list_contains (string_list_t *list, const char *member, int *index);
+
+static int
+_string_list_length (string_list_t *list);
+
+static int
+_string_list_equal (string_list_t *a, string_list_t *b);
+
+static argument_list_t *
+_argument_list_create (void *ctx);
+
+static void
+_argument_list_append (argument_list_t *list, token_list_t *argument);
+
+static int
+_argument_list_length (argument_list_t *list);
+
+static token_list_t *
+_argument_list_member_at (argument_list_t *list, int index);
+
+/* Note: This function talloc_steal()s the str pointer. */
+static token_t *
+_token_create_str (void *ctx, int type, char *str);
+
+static token_t *
+_token_create_ival (void *ctx, int type, int ival);
+
+static token_list_t *
+_token_list_create (void *ctx);
+
+/* Note: This function calls talloc_steal on token. */
+static void
+_token_list_append (token_list_t *list, token_t *token);
+
+static void
+_token_list_append_list (token_list_t *list, token_list_t *tail);
+
+static int
+_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b);
+
+static active_list_t *
+_active_list_push (active_list_t *list,
+ const char *identifier,
+ token_node_t *marker);
+
+static active_list_t *
+_active_list_pop (active_list_t *list);
+
+int
+_active_list_contains (active_list_t *list, const char *identifier);
+
+static void
+_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list);
+
+static void
+_glcpp_parser_expand_token_list (glcpp_parser_t *parser,
+ token_list_t *list);
+
+static void
+_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser,
+ token_list_t *list);
+
+static void
+_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc,
+ int condition);
+
+static void
+_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc,
+ const char *type, int condition);
+
+static void
+_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc);
+
+#define yylex glcpp_parser_lex
+
+static int
+glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser);
+
+static void
+glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list);
+
+static void
+add_builtin_define(glcpp_parser_t *parser, const char *name, int value);
+
+%}
+
+%pure-parser
+%error-verbose
+
+%locations
+%initial-action {
+ @$.first_line = 1;
+ @$.first_column = 1;
+ @$.last_line = 1;
+ @$.last_column = 1;
+ @$.source = 0;
+}
+
+%parse-param {glcpp_parser_t *parser}
+%lex-param {glcpp_parser_t *parser}
+
+%expect 0
+%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH HASH_DEFINE_FUNC HASH_DEFINE_OBJ HASH_ELIF HASH_ELSE HASH_ENDIF HASH_IF HASH_IFDEF HASH_IFNDEF HASH_UNDEF HASH_VERSION IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING NEWLINE OTHER PLACEHOLDER SPACE
+%token PASTE
+%type <ival> expression INTEGER operator SPACE integer_constant
+%type <str> IDENTIFIER INTEGER_STRING OTHER
+%type <string_list> identifier_list
+%type <token> preprocessing_token conditional_token
+%type <token_list> pp_tokens replacement_list text_line conditional_tokens
+%left OR
+%left AND
+%left '|'
+%left '^'
+%left '&'
+%left EQUAL NOT_EQUAL
+%left '<' '>' LESS_OR_EQUAL GREATER_OR_EQUAL
+%left LEFT_SHIFT RIGHT_SHIFT
+%left '+' '-'
+%left '*' '/' '%'
+%right UNARY
+
+%%
+
+input:
+ /* empty */
+| input line
+;
+
+line:
+ control_line {
+ glcpp_print(parser->output, "\n");
+ }
+| text_line {
+ _glcpp_parser_print_expanded_token_list (parser, $1);
+ glcpp_print(parser->output, "\n");
+ talloc_free ($1);
+ }
+| expanded_line
+| HASH non_directive
+;
+
+expanded_line:
+ IF_EXPANDED expression NEWLINE {
+ _glcpp_parser_skip_stack_push_if (parser, & @1, $2);
+ }
+| ELIF_EXPANDED expression NEWLINE {
+ _glcpp_parser_skip_stack_change_if (parser, & @1, "elif", $2);
+ }
+;
+
+control_line:
+ HASH_DEFINE_OBJ IDENTIFIER replacement_list NEWLINE {
+ _define_object_macro (parser, & @2, $2, $3);
+ }
+| HASH_DEFINE_FUNC IDENTIFIER '(' ')' replacement_list NEWLINE {
+ _define_function_macro (parser, & @2, $2, NULL, $5);
+ }
+| HASH_DEFINE_FUNC IDENTIFIER '(' identifier_list ')' replacement_list NEWLINE {
+ _define_function_macro (parser, & @2, $2, $4, $6);
+ }
+| HASH_UNDEF IDENTIFIER NEWLINE {
+ macro_t *macro = hash_table_find (parser->defines, $2);
+ if (macro) {
+ hash_table_remove (parser->defines, $2);
+ talloc_free (macro);
+ }
+ talloc_free ($2);
+ }
+| HASH_IF conditional_tokens NEWLINE {
+ /* Be careful to only evaluate the 'if' expression if
+ * we are not skipping. When we are skipping, we
+ * simply push a new 0-valued 'if' onto the skip
+ * stack.
+ *
+ * This avoids generating diagnostics for invalid
+ * expressions that are being skipped. */
+ if (parser->skip_stack == NULL ||
+ parser->skip_stack->type == SKIP_NO_SKIP)
+ {
+ _glcpp_parser_expand_if (parser, IF_EXPANDED, $2);
+ }
+ else
+ {
+ _glcpp_parser_skip_stack_push_if (parser, & @1, 0);
+ parser->skip_stack->type = SKIP_TO_ENDIF;
+ }
+ }
+| HASH_IF NEWLINE {
+ /* #if without an expression is only an error if we
+ * are not skipping */
+ if (parser->skip_stack == NULL ||
+ parser->skip_stack->type == SKIP_NO_SKIP)
+ {
+ glcpp_error(& @1, parser, "#if with no expression");
+ }
+ _glcpp_parser_skip_stack_push_if (parser, & @1, 0);
+ }
+| HASH_IFDEF IDENTIFIER junk NEWLINE {
+ macro_t *macro = hash_table_find (parser->defines, $2);
+ talloc_free ($2);
+ _glcpp_parser_skip_stack_push_if (parser, & @1, macro != NULL);
+ }
+| HASH_IFNDEF IDENTIFIER junk NEWLINE {
+ macro_t *macro = hash_table_find (parser->defines, $2);
+ talloc_free ($2);
+ _glcpp_parser_skip_stack_push_if (parser, & @1, macro == NULL);
+ }
+| HASH_ELIF conditional_tokens NEWLINE {
+ /* Be careful to only evaluate the 'elif' expression
+ * if we are not skipping. When we are skipping, we
+ * simply change to a 0-valued 'elif' on the skip
+ * stack.
+ *
+ * This avoids generating diagnostics for invalid
+ * expressions that are being skipped. */
+ if (parser->skip_stack &&
+ parser->skip_stack->type == SKIP_TO_ELSE)
+ {
+ _glcpp_parser_expand_if (parser, ELIF_EXPANDED, $2);
+ }
+ else
+ {
+ _glcpp_parser_skip_stack_change_if (parser, & @1,
+ "elif", 0);
+ }
+ }
+| HASH_ELIF NEWLINE {
+ /* #elif without an expression is an error unless we
+ * are skipping. */
+ if (parser->skip_stack &&
+ parser->skip_stack->type == SKIP_TO_ELSE)
+ {
+ glcpp_error(& @1, parser, "#elif with no expression");
+ }
+ else
+ {
+ _glcpp_parser_skip_stack_change_if (parser, & @1,
+ "elif", 0);
+ glcpp_warning(& @1, parser, "ignoring illegal #elif without expression");
+ }
+ }
+| HASH_ELSE NEWLINE {
+ _glcpp_parser_skip_stack_change_if (parser, & @1, "else", 1);
+ }
+| HASH_ENDIF NEWLINE {
+ _glcpp_parser_skip_stack_pop (parser, & @1);
+ }
+| HASH_VERSION integer_constant NEWLINE {
+ macro_t *macro = hash_table_find (parser->defines, "__VERSION__");
+ if (macro) {
+ hash_table_remove (parser->defines, "__VERSION__");
+ talloc_free (macro);
+ }
+ add_builtin_define (parser, "__VERSION__", $2);
+
+ if ($2 == 100)
+ add_builtin_define (parser, "GL_ES", 1);
+
+ /* Currently, all ES2 implementations support highp in the
+ * fragment shader, so we always define this macro in ES2.
+ * If we ever get a driver that doesn't support highp, we'll
+ * need to add a flag to the gl_context and check that here.
+ */
+ if ($2 >= 130 || $2 == 100)
+ add_builtin_define (parser, "GL_FRAGMENT_PRECISION_HIGH", 1);
+
+ glcpp_printf(parser->output, "#version %" PRIiMAX, $2);
+ }
+| HASH NEWLINE
+;
+
+integer_constant:
+ INTEGER_STRING {
+ if (strlen ($1) >= 3 && strncmp ($1, "0x", 2) == 0) {
+ $$ = strtoll ($1 + 2, NULL, 16);
+ } else if ($1[0] == '0') {
+ $$ = strtoll ($1, NULL, 8);
+ } else {
+ $$ = strtoll ($1, NULL, 10);
+ }
+ }
+| INTEGER {
+ $$ = $1;
+ }
+
+expression:
+ integer_constant
+| expression OR expression {
+ $$ = $1 || $3;
+ }
+| expression AND expression {
+ $$ = $1 && $3;
+ }
+| expression '|' expression {
+ $$ = $1 | $3;
+ }
+| expression '^' expression {
+ $$ = $1 ^ $3;
+ }
+| expression '&' expression {
+ $$ = $1 & $3;
+ }
+| expression NOT_EQUAL expression {
+ $$ = $1 != $3;
+ }
+| expression EQUAL expression {
+ $$ = $1 == $3;
+ }
+| expression GREATER_OR_EQUAL expression {
+ $$ = $1 >= $3;
+ }
+| expression LESS_OR_EQUAL expression {
+ $$ = $1 <= $3;
+ }
+| expression '>' expression {
+ $$ = $1 > $3;
+ }
+| expression '<' expression {
+ $$ = $1 < $3;
+ }
+| expression RIGHT_SHIFT expression {
+ $$ = $1 >> $3;
+ }
+| expression LEFT_SHIFT expression {
+ $$ = $1 << $3;
+ }
+| expression '-' expression {
+ $$ = $1 - $3;
+ }
+| expression '+' expression {
+ $$ = $1 + $3;
+ }
+| expression '%' expression {
+ $$ = $1 % $3;
+ }
+| expression '/' expression {
+ if ($3 == 0) {
+ yyerror (& @1, parser,
+ "division by 0 in preprocessor directive");
+ } else {
+ $$ = $1 / $3;
+ }
+ }
+| expression '*' expression {
+ $$ = $1 * $3;
+ }
+| '!' expression %prec UNARY {
+ $$ = ! $2;
+ }
+| '~' expression %prec UNARY {
+ $$ = ~ $2;
+ }
+| '-' expression %prec UNARY {
+ $$ = - $2;
+ }
+| '+' expression %prec UNARY {
+ $$ = + $2;
+ }
+| '(' expression ')' {
+ $$ = $2;
+ }
+;
+
+identifier_list:
+ IDENTIFIER {
+ $$ = _string_list_create (parser);
+ _string_list_append_item ($$, $1);
+ talloc_steal ($$, $1);
+ }
+| identifier_list ',' IDENTIFIER {
+ $$ = $1;
+ _string_list_append_item ($$, $3);
+ talloc_steal ($$, $3);
+ }
+;
+
+text_line:
+ NEWLINE { $$ = NULL; }
+| pp_tokens NEWLINE
+;
+
+non_directive:
+ pp_tokens NEWLINE {
+ yyerror (& @1, parser, "Invalid tokens after #");
+ }
+;
+
+replacement_list:
+ /* empty */ { $$ = NULL; }
+| pp_tokens
+;
+
+junk:
+ /* empty */
+| pp_tokens {
+ glcpp_warning(&@1, parser, "extra tokens at end of directive");
+ }
+;
+
+conditional_token:
+ /* Handle "defined" operator */
+ DEFINED IDENTIFIER {
+ int v = hash_table_find (parser->defines, $2) ? 1 : 0;
+ $$ = _token_create_ival (parser, INTEGER, v);
+ }
+| DEFINED '(' IDENTIFIER ')' {
+ int v = hash_table_find (parser->defines, $3) ? 1 : 0;
+ $$ = _token_create_ival (parser, INTEGER, v);
+ }
+| preprocessing_token
+;
+
+conditional_tokens:
+ /* Exactly the same as pp_tokens, but using conditional_token */
+ conditional_token {
+ $$ = _token_list_create (parser);
+ _token_list_append ($$, $1);
+ }
+| conditional_tokens conditional_token {
+ $$ = $1;
+ _token_list_append ($$, $2);
+ }
+;
+
+pp_tokens:
+ preprocessing_token {
+ parser->space_tokens = 1;
+ $$ = _token_list_create (parser);
+ _token_list_append ($$, $1);
+ }
+| pp_tokens preprocessing_token {
+ $$ = $1;
+ _token_list_append ($$, $2);
+ }
+;
+
+preprocessing_token:
+ IDENTIFIER {
+ $$ = _token_create_str (parser, IDENTIFIER, $1);
+ $$->location = yylloc;
+ }
+| INTEGER_STRING {
+ $$ = _token_create_str (parser, INTEGER_STRING, $1);
+ $$->location = yylloc;
+ }
+| operator {
+ $$ = _token_create_ival (parser, $1, $1);
+ $$->location = yylloc;
+ }
+| OTHER {
+ $$ = _token_create_str (parser, OTHER, $1);
+ $$->location = yylloc;
+ }
+| SPACE {
+ $$ = _token_create_ival (parser, SPACE, SPACE);
+ $$->location = yylloc;
+ }
+;
+
+operator:
+ '[' { $$ = '['; }
+| ']' { $$ = ']'; }
+| '(' { $$ = '('; }
+| ')' { $$ = ')'; }
+| '{' { $$ = '{'; }
+| '}' { $$ = '}'; }
+| '.' { $$ = '.'; }
+| '&' { $$ = '&'; }
+| '*' { $$ = '*'; }
+| '+' { $$ = '+'; }
+| '-' { $$ = '-'; }
+| '~' { $$ = '~'; }
+| '!' { $$ = '!'; }
+| '/' { $$ = '/'; }
+| '%' { $$ = '%'; }
+| LEFT_SHIFT { $$ = LEFT_SHIFT; }
+| RIGHT_SHIFT { $$ = RIGHT_SHIFT; }
+| '<' { $$ = '<'; }
+| '>' { $$ = '>'; }
+| LESS_OR_EQUAL { $$ = LESS_OR_EQUAL; }
+| GREATER_OR_EQUAL { $$ = GREATER_OR_EQUAL; }
+| EQUAL { $$ = EQUAL; }
+| NOT_EQUAL { $$ = NOT_EQUAL; }
+| '^' { $$ = '^'; }
+| '|' { $$ = '|'; }
+| AND { $$ = AND; }
+| OR { $$ = OR; }
+| ';' { $$ = ';'; }
+| ',' { $$ = ','; }
+| '=' { $$ = '='; }
+| PASTE { $$ = PASTE; }
+;
+
+%%
+
+string_list_t *
+_string_list_create (void *ctx)
+{
+ string_list_t *list;
+
+ list = talloc (ctx, string_list_t);
+ list->head = NULL;
+ list->tail = NULL;
+
+ return list;
+}
+
+void
+_string_list_append_item (string_list_t *list, const char *str)
+{
+ string_node_t *node;
+
+ node = talloc (list, string_node_t);
+ node->str = talloc_strdup (node, str);
+
+ node->next = NULL;
+
+ if (list->head == NULL) {
+ list->head = node;
+ } else {
+ list->tail->next = node;
+ }
+
+ list->tail = node;
+}
+
+int
+_string_list_contains (string_list_t *list, const char *member, int *index)
+{
+ string_node_t *node;
+ int i;
+
+ if (list == NULL)
+ return 0;
+
+ for (i = 0, node = list->head; node; i++, node = node->next) {
+ if (strcmp (node->str, member) == 0) {
+ if (index)
+ *index = i;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+int
+_string_list_length (string_list_t *list)
+{
+ int length = 0;
+ string_node_t *node;
+
+ if (list == NULL)
+ return 0;
+
+ for (node = list->head; node; node = node->next)
+ length++;
+
+ return length;
+}
+
+int
+_string_list_equal (string_list_t *a, string_list_t *b)
+{
+ string_node_t *node_a, *node_b;
+
+ if (a == NULL && b == NULL)
+ return 1;
+
+ if (a == NULL || b == NULL)
+ return 0;
+
+ for (node_a = a->head, node_b = b->head;
+ node_a && node_b;
+ node_a = node_a->next, node_b = node_b->next)
+ {
+ if (strcmp (node_a->str, node_b->str))
+ return 0;
+ }
+
+ /* Catch the case of lists being different lengths, (which
+ * would cause the loop above to terminate after the shorter
+ * list). */
+ return node_a == node_b;
+}
+
+argument_list_t *
+_argument_list_create (void *ctx)
+{
+ argument_list_t *list;
+
+ list = talloc (ctx, argument_list_t);
+ list->head = NULL;
+ list->tail = NULL;
+
+ return list;
+}
+
+void
+_argument_list_append (argument_list_t *list, token_list_t *argument)
+{
+ argument_node_t *node;
+
+ node = talloc (list, argument_node_t);
+ node->argument = argument;
+
+ node->next = NULL;
+
+ if (list->head == NULL) {
+ list->head = node;
+ } else {
+ list->tail->next = node;
+ }
+
+ list->tail = node;
+}
+
+int
+_argument_list_length (argument_list_t *list)
+{
+ int length = 0;
+ argument_node_t *node;
+
+ if (list == NULL)
+ return 0;
+
+ for (node = list->head; node; node = node->next)
+ length++;
+
+ return length;
+}
+
+token_list_t *
+_argument_list_member_at (argument_list_t *list, int index)
+{
+ argument_node_t *node;
+ int i;
+
+ if (list == NULL)
+ return NULL;
+
+ node = list->head;
+ for (i = 0; i < index; i++) {
+ node = node->next;
+ if (node == NULL)
+ break;
+ }
+
+ if (node)
+ return node->argument;
+
+ return NULL;
+}
+
+/* Note: This function talloc_steal()s the str pointer. */
+token_t *
+_token_create_str (void *ctx, int type, char *str)
+{
+ token_t *token;
+
+ token = talloc (ctx, token_t);
+ token->type = type;
+ token->value.str = talloc_steal (token, str);
+
+ return token;
+}
+
+token_t *
+_token_create_ival (void *ctx, int type, int ival)
+{
+ token_t *token;
+
+ token = talloc (ctx, token_t);
+ token->type = type;
+ token->value.ival = ival;
+
+ return token;
+}
+
+token_list_t *
+_token_list_create (void *ctx)
+{
+ token_list_t *list;
+
+ list = talloc (ctx, token_list_t);
+ list->head = NULL;
+ list->tail = NULL;
+ list->non_space_tail = NULL;
+
+ return list;
+}
+
+void
+_token_list_append (token_list_t *list, token_t *token)
+{
+ token_node_t *node;
+
+ node = talloc (list, token_node_t);
+ node->token = talloc_steal (list, token);
+
+ node->next = NULL;
+
+ if (list->head == NULL) {
+ list->head = node;
+ } else {
+ list->tail->next = node;
+ }
+
+ list->tail = node;
+ if (token->type != SPACE)
+ list->non_space_tail = node;
+}
+
+void
+_token_list_append_list (token_list_t *list, token_list_t *tail)
+{
+ if (tail == NULL || tail->head == NULL)
+ return;
+
+ if (list->head == NULL) {
+ list->head = tail->head;
+ } else {
+ list->tail->next = tail->head;
+ }
+
+ list->tail = tail->tail;
+ list->non_space_tail = tail->non_space_tail;
+}
+
+static token_list_t *
+_token_list_copy (void *ctx, token_list_t *other)
+{
+ token_list_t *copy;
+ token_node_t *node;
+
+ if (other == NULL)
+ return NULL;
+
+ copy = _token_list_create (ctx);
+ for (node = other->head; node; node = node->next) {
+ token_t *new_token = talloc (copy, token_t);
+ *new_token = *node->token;
+ _token_list_append (copy, new_token);
+ }
+
+ return copy;
+}
+
+static void
+_token_list_trim_trailing_space (token_list_t *list)
+{
+ token_node_t *tail, *next;
+
+ if (list->non_space_tail) {
+ tail = list->non_space_tail->next;
+ list->non_space_tail->next = NULL;
+ list->tail = list->non_space_tail;
+
+ while (tail) {
+ next = tail->next;
+ talloc_free (tail);
+ tail = next;
+ }
+ }
+}
+
+int
+_token_list_is_empty_ignoring_space (token_list_t *l)
+{
+ token_node_t *n;
+
+ if (l == NULL)
+ return 1;
+
+ n = l->head;
+ while (n != NULL && n->token->type == SPACE)
+ n = n->next;
+
+ return n == NULL;
+}
+
+int
+_token_list_equal_ignoring_space (token_list_t *a, token_list_t *b)
+{
+ token_node_t *node_a, *node_b;
+
+ if (a == NULL || b == NULL) {
+ int a_empty = _token_list_is_empty_ignoring_space(a);
+ int b_empty = _token_list_is_empty_ignoring_space(b);
+ return a_empty == b_empty;
+ }
+
+ node_a = a->head;
+ node_b = b->head;
+
+ while (1)
+ {
+ if (node_a == NULL && node_b == NULL)
+ break;
+
+ if (node_a == NULL || node_b == NULL)
+ return 0;
+
+ if (node_a->token->type == SPACE) {
+ node_a = node_a->next;
+ continue;
+ }
+
+ if (node_b->token->type == SPACE) {
+ node_b = node_b->next;
+ continue;
+ }
+
+ if (node_a->token->type != node_b->token->type)
+ return 0;
+
+ switch (node_a->token->type) {
+ case INTEGER:
+ if (node_a->token->value.ival !=
+ node_b->token->value.ival)
+ {
+ return 0;
+ }
+ break;
+ case IDENTIFIER:
+ case INTEGER_STRING:
+ case OTHER:
+ if (strcmp (node_a->token->value.str,
+ node_b->token->value.str))
+ {
+ return 0;
+ }
+ break;
+ }
+
+ node_a = node_a->next;
+ node_b = node_b->next;
+ }
+
+ return 1;
+}
+
+static void
+_token_print (char **out, token_t *token)
+{
+ if (token->type < 256) {
+ glcpp_printf (*out, "%c", token->type);
+ return;
+ }
+
+ switch (token->type) {
+ case INTEGER:
+ glcpp_printf (*out, "%" PRIiMAX, token->value.ival);
+ break;
+ case IDENTIFIER:
+ case INTEGER_STRING:
+ case OTHER:
+ glcpp_print (*out, token->value.str);
+ break;
+ case SPACE:
+ glcpp_print (*out, " ");
+ break;
+ case LEFT_SHIFT:
+ glcpp_print (*out, "<<");
+ break;
+ case RIGHT_SHIFT:
+ glcpp_print (*out, ">>");
+ break;
+ case LESS_OR_EQUAL:
+ glcpp_print (*out, "<=");
+ break;
+ case GREATER_OR_EQUAL:
+ glcpp_print (*out, ">=");
+ break;
+ case EQUAL:
+ glcpp_print (*out, "==");
+ break;
+ case NOT_EQUAL:
+ glcpp_print (*out, "!=");
+ break;
+ case AND:
+ glcpp_print (*out, "&&");
+ break;
+ case OR:
+ glcpp_print (*out, "||");
+ break;
+ case PASTE:
+ glcpp_print (*out, "##");
+ break;
+ case COMMA_FINAL:
+ glcpp_print (*out, ",");
+ break;
+ case PLACEHOLDER:
+ /* Nothing to print. */
+ break;
+ default:
+ assert(!"Error: Don't know how to print token.");
+ break;
+ }
+}
+
+/* Return a new token (talloc()ed off of 'token') formed by pasting
+ * 'token' and 'other'. Note that this function may return 'token' or
+ * 'other' directly rather than allocating anything new.
+ *
+ * Caution: Only very cursory error-checking is performed to see if
+ * the final result is a valid single token. */
+static token_t *
+_token_paste (glcpp_parser_t *parser, token_t *token, token_t *other)
+{
+ token_t *combined = NULL;
+
+ /* Pasting a placeholder onto anything makes no change. */
+ if (other->type == PLACEHOLDER)
+ return token;
+
+ /* When 'token' is a placeholder, just return 'other'. */
+ if (token->type == PLACEHOLDER)
+ return other;
+
+ /* A very few single-character punctuators can be combined
+ * with another to form a multi-character punctuator. */
+ switch (token->type) {
+ case '<':
+ if (other->type == '<')
+ combined = _token_create_ival (token, LEFT_SHIFT, LEFT_SHIFT);
+ else if (other->type == '=')
+ combined = _token_create_ival (token, LESS_OR_EQUAL, LESS_OR_EQUAL);
+ break;
+ case '>':
+ if (other->type == '>')
+ combined = _token_create_ival (token, RIGHT_SHIFT, RIGHT_SHIFT);
+ else if (other->type == '=')
+ combined = _token_create_ival (token, GREATER_OR_EQUAL, GREATER_OR_EQUAL);
+ break;
+ case '=':
+ if (other->type == '=')
+ combined = _token_create_ival (token, EQUAL, EQUAL);
+ break;
+ case '!':
+ if (other->type == '=')
+ combined = _token_create_ival (token, NOT_EQUAL, NOT_EQUAL);
+ break;
+ case '&':
+ if (other->type == '&')
+ combined = _token_create_ival (token, AND, AND);
+ break;
+ case '|':
+ if (other->type == '|')
+ combined = _token_create_ival (token, OR, OR);
+ break;
+ }
+
+ if (combined != NULL) {
+ /* Inherit the location from the first token */
+ combined->location = token->location;
+ return combined;
+ }
+
+ /* Two string-valued tokens can usually just be mashed
+ * together.
+ *
+ * XXX: This isn't actually legitimate. Several things here
+ * should result in a diagnostic since the result cannot be a
+ * valid, single pre-processing token. For example, pasting
+ * "123" and "abc" is not legal, but we don't catch that
+ * here. */
+ if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) &&
+ (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING))
+ {
+ char *str;
+
+ str = talloc_asprintf (token, "%s%s", token->value.str,
+ other->value.str);
+ combined = _token_create_str (token, token->type, str);
+ combined->location = token->location;
+ return combined;
+ }
+
+ glcpp_error (&token->location, parser, "");
+ glcpp_print (parser->info_log, "Pasting \"");
+ _token_print (&parser->info_log, token);
+ glcpp_print (parser->info_log, "\" and \"");
+ _token_print (&parser->info_log, other);
+ glcpp_print (parser->info_log, "\" does not give a valid preprocessing token.\n");
+
+ return token;
+}
+
+static void
+_token_list_print (glcpp_parser_t *parser, token_list_t *list)
+{
+ token_node_t *node;
+
+ if (list == NULL)
+ return;
+
+ for (node = list->head; node; node = node->next)
+ _token_print (&parser->output, node->token);
+}
+
+void
+yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error)
+{
+ glcpp_error(locp, parser, "%s", error);
+}
+
+static void add_builtin_define(glcpp_parser_t *parser,
+ const char *name, int value)
+{
+ token_t *tok;
+ token_list_t *list;
+
+ tok = _token_create_ival (parser, INTEGER, value);
+
+ list = _token_list_create(parser);
+ _token_list_append(list, tok);
+ _define_object_macro(parser, NULL, name, list);
+}
+
+glcpp_parser_t *
+glcpp_parser_create (const struct gl_extensions *extensions, int api)
+{
+ glcpp_parser_t *parser;
+ int language_version;
+
+ parser = talloc (NULL, glcpp_parser_t);
+
+ glcpp_lex_init_extra (parser, &parser->scanner);
+ parser->defines = hash_table_ctor (32, hash_table_string_hash,
+ hash_table_string_compare);
+ parser->active = NULL;
+ parser->lexing_if = 0;
+ parser->space_tokens = 1;
+ parser->newline_as_space = 0;
+ parser->in_control_line = 0;
+ parser->paren_count = 0;
+
+ parser->skip_stack = NULL;
+
+ parser->lex_from_list = NULL;
+ parser->lex_from_node = NULL;
+
+ parser->output = talloc_strdup(parser, "");
+ parser->info_log = talloc_strdup(parser, "");
+ parser->error = 0;
+
+ /* Add pre-defined macros. */
+ add_builtin_define(parser, "GL_ARB_draw_buffers", 1);
+ add_builtin_define(parser, "GL_ARB_texture_rectangle", 1);
+
+ if (api == API_OPENGLES2)
+ add_builtin_define(parser, "GL_ES", 1);
+
+ if (extensions != NULL) {
+ if (extensions->EXT_texture_array) {
+ add_builtin_define(parser, "GL_EXT_texture_array", 1);
+ }
+
+ if (extensions->ARB_fragment_coord_conventions)
+ add_builtin_define(parser, "GL_ARB_fragment_coord_conventions",
+ 1);
+
+ if (extensions->ARB_explicit_attrib_location)
+ add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1);
+ if (extensions->AMD_conservative_depth)
+ add_builtin_define(parser, "GL_AMD_conservative_depth", 1);
+ }
+
+ language_version = 110;
+ add_builtin_define(parser, "__VERSION__", language_version);
+
+ return parser;
+}
+
+int
+glcpp_parser_parse (glcpp_parser_t *parser)
+{
+ return yyparse (parser);
+}
+
+void
+glcpp_parser_destroy (glcpp_parser_t *parser)
+{
+ glcpp_lex_destroy (parser->scanner);
+ hash_table_dtor (parser->defines);
+ talloc_free (parser);
+}
+
+typedef enum function_status
+{
+ FUNCTION_STATUS_SUCCESS,
+ FUNCTION_NOT_A_FUNCTION,
+ FUNCTION_UNBALANCED_PARENTHESES
+} function_status_t;
+
+/* Find a set of function-like macro arguments by looking for a
+ * balanced set of parentheses.
+ *
+ * When called, 'node' should be the opening-parenthesis token, (or
+ * perhaps preceeding SPACE tokens). Upon successful return *last will
+ * be the last consumed node, (corresponding to the closing right
+ * parenthesis).
+ *
+ * Return values:
+ *
+ * FUNCTION_STATUS_SUCCESS:
+ *
+ * Successfully parsed a set of function arguments.
+ *
+ * FUNCTION_NOT_A_FUNCTION:
+ *
+ * Macro name not followed by a '('. This is not an error, but
+ * simply that the macro name should be treated as a non-macro.
+ *
+ * FUNCTION_UNBALANCED_PARENTHESES
+ *
+ * Macro name is not followed by a balanced set of parentheses.
+ */
+static function_status_t
+_arguments_parse (argument_list_t *arguments,
+ token_node_t *node,
+ token_node_t **last)
+{
+ token_list_t *argument;
+ int paren_count;
+
+ node = node->next;
+
+ /* Ignore whitespace before first parenthesis. */
+ while (node && node->token->type == SPACE)
+ node = node->next;
+
+ if (node == NULL || node->token->type != '(')
+ return FUNCTION_NOT_A_FUNCTION;
+
+ node = node->next;
+
+ argument = _token_list_create (arguments);
+ _argument_list_append (arguments, argument);
+
+ for (paren_count = 1; node; node = node->next) {
+ if (node->token->type == '(')
+ {
+ paren_count++;
+ }
+ else if (node->token->type == ')')
+ {
+ paren_count--;
+ if (paren_count == 0)
+ break;
+ }
+
+ if (node->token->type == ',' &&
+ paren_count == 1)
+ {
+ _token_list_trim_trailing_space (argument);
+ argument = _token_list_create (arguments);
+ _argument_list_append (arguments, argument);
+ }
+ else {
+ if (argument->head == NULL) {
+ /* Don't treat initial whitespace as
+ * part of the arguement. */
+ if (node->token->type == SPACE)
+ continue;
+ }
+ _token_list_append (argument, node->token);
+ }
+ }
+
+ if (paren_count)
+ return FUNCTION_UNBALANCED_PARENTHESES;
+
+ *last = node;
+
+ return FUNCTION_STATUS_SUCCESS;
+}
+
+static token_list_t *
+_token_list_create_with_one_space (void *ctx)
+{
+ token_list_t *list;
+ token_t *space;
+
+ list = _token_list_create (ctx);
+ space = _token_create_ival (list, SPACE, SPACE);
+ _token_list_append (list, space);
+
+ return list;
+}
+
+static void
+_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list)
+{
+ token_list_t *expanded;
+ token_t *token;
+
+ expanded = _token_list_create (parser);
+ token = _token_create_ival (parser, type, type);
+ _token_list_append (expanded, token);
+ _glcpp_parser_expand_token_list (parser, list);
+ _token_list_append_list (expanded, list);
+ glcpp_parser_lex_from (parser, expanded);
+}
+
+/* This is a helper function that's essentially part of the
+ * implementation of _glcpp_parser_expand_node. It shouldn't be called
+ * except for by that function.
+ *
+ * Returns NULL if node is a simple token with no expansion, (that is,
+ * although 'node' corresponds to an identifier defined as a
+ * function-like macro, it is not followed with a parenthesized
+ * argument list).
+ *
+ * Compute the complete expansion of node (which is a function-like
+ * macro) and subsequent nodes which are arguments.
+ *
+ * Returns the token list that results from the expansion and sets
+ * *last to the last node in the list that was consumed by the
+ * expansion. Specifically, *last will be set as follows: as the
+ * token of the closing right parenthesis.
+ */
+static token_list_t *
+_glcpp_parser_expand_function (glcpp_parser_t *parser,
+ token_node_t *node,
+ token_node_t **last)
+
+{
+ macro_t *macro;
+ const char *identifier;
+ argument_list_t *arguments;
+ function_status_t status;
+ token_list_t *substituted;
+ int parameter_index;
+
+ identifier = node->token->value.str;
+
+ macro = hash_table_find (parser->defines, identifier);
+
+ assert (macro->is_function);
+
+ arguments = _argument_list_create (parser);
+ status = _arguments_parse (arguments, node, last);
+
+ switch (status) {
+ case FUNCTION_STATUS_SUCCESS:
+ break;
+ case FUNCTION_NOT_A_FUNCTION:
+ return NULL;
+ case FUNCTION_UNBALANCED_PARENTHESES:
+ glcpp_error (&node->token->location, parser, "Macro %s call has unbalanced parentheses\n", identifier);
+ return NULL;
+ }
+
+ /* Replace a macro defined as empty with a SPACE token. */
+ if (macro->replacements == NULL) {
+ talloc_free (arguments);
+ return _token_list_create_with_one_space (parser);
+ }
+
+ if (! ((_argument_list_length (arguments) ==
+ _string_list_length (macro->parameters)) ||
+ (_string_list_length (macro->parameters) == 0 &&
+ _argument_list_length (arguments) == 1 &&
+ arguments->head->argument->head == NULL)))
+ {
+ glcpp_error (&node->token->location, parser,
+ "Error: macro %s invoked with %d arguments (expected %d)\n",
+ identifier,
+ _argument_list_length (arguments),
+ _string_list_length (macro->parameters));
+ return NULL;
+ }
+
+ /* Perform argument substitution on the replacement list. */
+ substituted = _token_list_create (arguments);
+
+ for (node = macro->replacements->head; node; node = node->next)
+ {
+ if (node->token->type == IDENTIFIER &&
+ _string_list_contains (macro->parameters,
+ node->token->value.str,
+ &parameter_index))
+ {
+ token_list_t *argument;
+ argument = _argument_list_member_at (arguments,
+ parameter_index);
+ /* Before substituting, we expand the argument
+ * tokens, or append a placeholder token for
+ * an empty argument. */
+ if (argument->head) {
+ token_list_t *expanded_argument;
+ expanded_argument = _token_list_copy (parser,
+ argument);
+ _glcpp_parser_expand_token_list (parser,
+ expanded_argument);
+ _token_list_append_list (substituted,
+ expanded_argument);
+ } else {
+ token_t *new_token;
+
+ new_token = _token_create_ival (substituted,
+ PLACEHOLDER,
+ PLACEHOLDER);
+ _token_list_append (substituted, new_token);
+ }
+ } else {
+ _token_list_append (substituted, node->token);
+ }
+ }
+
+ /* After argument substitution, and before further expansion
+ * below, implement token pasting. */
+
+ _token_list_trim_trailing_space (substituted);
+
+ node = substituted->head;
+ while (node)
+ {
+ token_node_t *next_non_space;
+
+ /* Look ahead for a PASTE token, skipping space. */
+ next_non_space = node->next;
+ while (next_non_space && next_non_space->token->type == SPACE)
+ next_non_space = next_non_space->next;
+
+ if (next_non_space == NULL)
+ break;
+
+ if (next_non_space->token->type != PASTE) {
+ node = next_non_space;
+ continue;
+ }
+
+ /* Now find the next non-space token after the PASTE. */
+ next_non_space = next_non_space->next;
+ while (next_non_space && next_non_space->token->type == SPACE)
+ next_non_space = next_non_space->next;
+
+ if (next_non_space == NULL) {
+ yyerror (&node->token->location, parser, "'##' cannot appear at either end of a macro expansion\n");
+ return NULL;
+ }
+
+ node->token = _token_paste (parser, node->token, next_non_space->token);
+ node->next = next_non_space->next;
+ if (next_non_space == substituted->tail)
+ substituted->tail = node;
+
+ node = node->next;
+ }
+
+ substituted->non_space_tail = substituted->tail;
+
+ return substituted;
+}
+
+/* Compute the complete expansion of node, (and subsequent nodes after
+ * 'node' in the case that 'node' is a function-like macro and
+ * subsequent nodes are arguments).
+ *
+ * Returns NULL if node is a simple token with no expansion.
+ *
+ * Otherwise, returns the token list that results from the expansion
+ * and sets *last to the last node in the list that was consumed by
+ * the expansion. Specifically, *last will be set as follows:
+ *
+ * As 'node' in the case of object-like macro expansion.
+ *
+ * As the token of the closing right parenthesis in the case of
+ * function-like macro expansion.
+ */
+static token_list_t *
+_glcpp_parser_expand_node (glcpp_parser_t *parser,
+ token_node_t *node,
+ token_node_t **last)
+{
+ token_t *token = node->token;
+ const char *identifier;
+ macro_t *macro;
+
+ /* We only expand identifiers */
+ if (token->type != IDENTIFIER) {
+ /* We change any COMMA into a COMMA_FINAL to prevent
+ * it being mistaken for an argument separator
+ * later. */
+ if (token->type == ',') {
+ token->type = COMMA_FINAL;
+ token->value.ival = COMMA_FINAL;
+ }
+
+ return NULL;
+ }
+
+ /* Look up this identifier in the hash table. */
+ identifier = token->value.str;
+ macro = hash_table_find (parser->defines, identifier);
+
+ /* Not a macro, so no expansion needed. */
+ if (macro == NULL)
+ return NULL;
+
+ /* Finally, don't expand this macro if we're already actively
+ * expanding it, (to avoid infinite recursion). */
+ if (_active_list_contains (parser->active, identifier)) {
+ /* We change the token type here from IDENTIFIER to
+ * OTHER to prevent any future expansion of this
+ * unexpanded token. */
+ char *str;
+ token_list_t *expansion;
+ token_t *final;
+
+ str = talloc_strdup (parser, token->value.str);
+ final = _token_create_str (parser, OTHER, str);
+ expansion = _token_list_create (parser);
+ _token_list_append (expansion, final);
+ *last = node;
+ return expansion;
+ }
+
+ if (! macro->is_function)
+ {
+ *last = node;
+
+ /* Replace a macro defined as empty with a SPACE token. */
+ if (macro->replacements == NULL)
+ return _token_list_create_with_one_space (parser);
+
+ return _token_list_copy (parser, macro->replacements);
+ }
+
+ return _glcpp_parser_expand_function (parser, node, last);
+}
+
+/* Push a new identifier onto the active list, returning the new list.
+ *
+ * Here, 'marker' is the token node that appears in the list after the
+ * expansion of 'identifier'. That is, when the list iterator begins
+ * examinging 'marker', then it is time to pop this node from the
+ * active stack.
+ */
+active_list_t *
+_active_list_push (active_list_t *list,
+ const char *identifier,
+ token_node_t *marker)
+{
+ active_list_t *node;
+
+ node = talloc (list, active_list_t);
+ node->identifier = talloc_strdup (node, identifier);
+ node->marker = marker;
+ node->next = list;
+
+ return node;
+}
+
+active_list_t *
+_active_list_pop (active_list_t *list)
+{
+ active_list_t *node = list;
+
+ if (node == NULL)
+ return NULL;
+
+ node = list->next;
+ talloc_free (list);
+
+ return node;
+}
+
+int
+_active_list_contains (active_list_t *list, const char *identifier)
+{
+ active_list_t *node;
+
+ if (list == NULL)
+ return 0;
+
+ for (node = list; node; node = node->next)
+ if (strcmp (node->identifier, identifier) == 0)
+ return 1;
+
+ return 0;
+}
+
+/* Walk over the token list replacing nodes with their expansion.
+ * Whenever nodes are expanded the walking will walk over the new
+ * nodes, continuing to expand as necessary. The results are placed in
+ * 'list' itself;
+ */
+static void
+_glcpp_parser_expand_token_list (glcpp_parser_t *parser,
+ token_list_t *list)
+{
+ token_node_t *node_prev;
+ token_node_t *node, *last = NULL;
+ token_list_t *expansion;
+
+ if (list == NULL)
+ return;
+
+ _token_list_trim_trailing_space (list);
+
+ node_prev = NULL;
+ node = list->head;
+
+ while (node) {
+
+ while (parser->active && parser->active->marker == node)
+ parser->active = _active_list_pop (parser->active);
+
+ /* Find the expansion for node, which will replace all
+ * nodes from node to last, inclusive. */
+ expansion = _glcpp_parser_expand_node (parser, node, &last);
+ if (expansion) {
+ token_node_t *n;
+
+ for (n = node; n != last->next; n = n->next)
+ while (parser->active &&
+ parser->active->marker == n)
+ {
+ parser->active = _active_list_pop (parser->active);
+ }
+
+ parser->active = _active_list_push (parser->active,
+ node->token->value.str,
+ last->next);
+
+ /* Splice expansion into list, supporting a
+ * simple deletion if the expansion is
+ * empty. */
+ if (expansion->head) {
+ if (node_prev)
+ node_prev->next = expansion->head;
+ else
+ list->head = expansion->head;
+ expansion->tail->next = last->next;
+ if (last == list->tail)
+ list->tail = expansion->tail;
+ } else {
+ if (node_prev)
+ node_prev->next = last->next;
+ else
+ list->head = last->next;
+ if (last == list->tail)
+ list->tail = NULL;
+ }
+ } else {
+ node_prev = node;
+ }
+ node = node_prev ? node_prev->next : list->head;
+ }
+
+ while (parser->active)
+ parser->active = _active_list_pop (parser->active);
+
+ list->non_space_tail = list->tail;
+}
+
+void
+_glcpp_parser_print_expanded_token_list (glcpp_parser_t *parser,
+ token_list_t *list)
+{
+ if (list == NULL)
+ return;
+
+ _glcpp_parser_expand_token_list (parser, list);
+
+ _token_list_trim_trailing_space (list);
+
+ _token_list_print (parser, list);
+}
+
+static void
+_check_for_reserved_macro_name (glcpp_parser_t *parser, YYLTYPE *loc,
+ const char *identifier)
+{
+ /* According to the GLSL specification, macro names starting with "__"
+ * or "GL_" are reserved for future use. So, don't allow them.
+ */
+ if (strncmp(identifier, "__", 2) == 0) {
+ glcpp_error (loc, parser, "Macro names starting with \"__\" are reserved.\n");
+ }
+ if (strncmp(identifier, "GL_", 3) == 0) {
+ glcpp_error (loc, parser, "Macro names starting with \"GL_\" are reserved.\n");
+ }
+}
+
+static int
+_macro_equal (macro_t *a, macro_t *b)
+{
+ if (a->is_function != b->is_function)
+ return 0;
+
+ if (a->is_function) {
+ if (! _string_list_equal (a->parameters, b->parameters))
+ return 0;
+ }
+
+ return _token_list_equal_ignoring_space (a->replacements,
+ b->replacements);
+}
+
+void
+_define_object_macro (glcpp_parser_t *parser,
+ YYLTYPE *loc,
+ const char *identifier,
+ token_list_t *replacements)
+{
+ macro_t *macro, *previous;
+
+ if (loc != NULL)
+ _check_for_reserved_macro_name(parser, loc, identifier);
+
+ macro = talloc (parser, macro_t);
+
+ macro->is_function = 0;
+ macro->parameters = NULL;
+ macro->identifier = talloc_strdup (macro, identifier);
+ macro->replacements = talloc_steal (macro, replacements);
+
+ previous = hash_table_find (parser->defines, identifier);
+ if (previous) {
+ if (_macro_equal (macro, previous)) {
+ talloc_free (macro);
+ return;
+ }
+ glcpp_error (loc, parser, "Redefinition of macro %s\n",
+ identifier);
+ }
+
+ hash_table_insert (parser->defines, macro, identifier);
+}
+
+void
+_define_function_macro (glcpp_parser_t *parser,
+ YYLTYPE *loc,
+ const char *identifier,
+ string_list_t *parameters,
+ token_list_t *replacements)
+{
+ macro_t *macro, *previous;
+
+ _check_for_reserved_macro_name(parser, loc, identifier);
+
+ macro = talloc (parser, macro_t);
+
+ macro->is_function = 1;
+ macro->parameters = talloc_steal (macro, parameters);
+ macro->identifier = talloc_strdup (macro, identifier);
+ macro->replacements = talloc_steal (macro, replacements);
+
+ previous = hash_table_find (parser->defines, identifier);
+ if (previous) {
+ if (_macro_equal (macro, previous)) {
+ talloc_free (macro);
+ return;
+ }
+ glcpp_error (loc, parser, "Redefinition of macro %s\n",
+ identifier);
+ }
+
+ hash_table_insert (parser->defines, macro, identifier);
+}
+
+static int
+glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser)
+{
+ token_node_t *node;
+ int ret;
+
+ if (parser->lex_from_list == NULL) {
+ ret = glcpp_lex (yylval, yylloc, parser->scanner);
+
+ /* XXX: This ugly block of code exists for the sole
+ * purpose of converting a NEWLINE token into a SPACE
+ * token, but only in the case where we have seen a
+ * function-like macro name, but have not yet seen its
+ * closing parenthesis.
+ *
+ * There's perhaps a more compact way to do this with
+ * mid-rule actions in the grammar.
+ *
+ * I'm definitely not pleased with the complexity of
+ * this code here.
+ */
+ if (parser->newline_as_space)
+ {
+ if (ret == '(') {
+ parser->paren_count++;
+ } else if (ret == ')') {
+ parser->paren_count--;
+ if (parser->paren_count == 0)
+ parser->newline_as_space = 0;
+ } else if (ret == NEWLINE) {
+ ret = SPACE;
+ } else if (ret != SPACE) {
+ if (parser->paren_count == 0)
+ parser->newline_as_space = 0;
+ }
+ }
+ else if (parser->in_control_line)
+ {
+ if (ret == NEWLINE)
+ parser->in_control_line = 0;
+ }
+ else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC ||
+ ret == HASH_UNDEF || ret == HASH_IF ||
+ ret == HASH_IFDEF || ret == HASH_IFNDEF ||
+ ret == HASH_ELIF || ret == HASH_ELSE ||
+ ret == HASH_ENDIF || ret == HASH)
+ {
+ parser->in_control_line = 1;
+ }
+ else if (ret == IDENTIFIER)
+ {
+ macro_t *macro;
+ macro = hash_table_find (parser->defines,
+ yylval->str);
+ if (macro && macro->is_function) {
+ parser->newline_as_space = 1;
+ parser->paren_count = 0;
+ }
+ }
+
+ return ret;
+ }
+
+ node = parser->lex_from_node;
+
+ if (node == NULL) {
+ talloc_free (parser->lex_from_list);
+ parser->lex_from_list = NULL;
+ return NEWLINE;
+ }
+
+ *yylval = node->token->value;
+ ret = node->token->type;
+
+ parser->lex_from_node = node->next;
+
+ return ret;
+}
+
+static void
+glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list)
+{
+ token_node_t *node;
+
+ assert (parser->lex_from_list == NULL);
+
+ /* Copy list, eliminating any space tokens. */
+ parser->lex_from_list = _token_list_create (parser);
+
+ for (node = list->head; node; node = node->next) {
+ if (node->token->type == SPACE)
+ continue;
+ _token_list_append (parser->lex_from_list, node->token);
+ }
+
+ talloc_free (list);
+
+ parser->lex_from_node = parser->lex_from_list->head;
+
+ /* It's possible the list consisted of nothing but whitespace. */
+ if (parser->lex_from_node == NULL) {
+ talloc_free (parser->lex_from_list);
+ parser->lex_from_list = NULL;
+ }
+}
+
+static void
+_glcpp_parser_skip_stack_push_if (glcpp_parser_t *parser, YYLTYPE *loc,
+ int condition)
+{
+ skip_type_t current = SKIP_NO_SKIP;
+ skip_node_t *node;
+
+ if (parser->skip_stack)
+ current = parser->skip_stack->type;
+
+ node = talloc (parser, skip_node_t);
+ node->loc = *loc;
+
+ if (current == SKIP_NO_SKIP) {
+ if (condition)
+ node->type = SKIP_NO_SKIP;
+ else
+ node->type = SKIP_TO_ELSE;
+ } else {
+ node->type = SKIP_TO_ENDIF;
+ }
+
+ node->next = parser->skip_stack;
+ parser->skip_stack = node;
+}
+
+static void
+_glcpp_parser_skip_stack_change_if (glcpp_parser_t *parser, YYLTYPE *loc,
+ const char *type, int condition)
+{
+ if (parser->skip_stack == NULL) {
+ glcpp_error (loc, parser, "%s without #if\n", type);
+ return;
+ }
+
+ if (parser->skip_stack->type == SKIP_TO_ELSE) {
+ if (condition)
+ parser->skip_stack->type = SKIP_NO_SKIP;
+ } else {
+ parser->skip_stack->type = SKIP_TO_ENDIF;
+ }
+}
+
+static void
+_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc)
+{
+ skip_node_t *node;
+
+ if (parser->skip_stack == NULL) {
+ glcpp_error (loc, parser, "#endif without #if\n");
+ return;
+ }
+
+ node = parser->skip_stack;
+ parser->skip_stack = node->next;
+ talloc_free (node);
+}
diff --git a/mesalib/src/mapi/glapi/Makefile b/mesalib/src/mapi/glapi/Makefile
index 203a8abd0..9f1d42f88 100644
--- a/mesalib/src/mapi/glapi/Makefile
+++ b/mesalib/src/mapi/glapi/Makefile
@@ -1,67 +1,77 @@
-# src/mapi/glapi/Makefile
-
-TOP = ../../..
-include $(TOP)/configs/current
-
-TARGET = glapi
-
-MAPI = $(TOP)/src/mapi/mapi
-
-include sources.mak
-include $(MAPI)/sources.mak
-
-glapi_CPPFLAGS := \
- -I$(TOP)/include \
- -I$(TOP)/src/mapi \
- -I$(TOP)/src/mesa \
- -DMAPI_ABI_HEADER=\"glapi/glapi_mapi_tmp.h\"
-
-ifeq ($(SHARED_GLAPI),1)
-glapi_CPPFLAGS += -DMAPI_MODE_BRIDGE
-glapi_SOURCES := $(addprefix $(MAPI)/, $(MAPI_BRIDGE_SOURCES))
-
-glapi_GLAPI_OBJECTS :=
-glapi_ASM_OBJECTS :=
-glapi_MAPI_OBJECTS := $(MAPI_BRIDGE_SOURCES:.c=.o)
-else
-glapi_CPPFLAGS += -DMAPI_MODE_UTIL
-glapi_SOURCES := $(GLAPI_SOURCES) $(addprefix $(MAPI)/, $(MAPI_UTIL_SOURCES))
-
-glapi_GLAPI_OBJECTS := $(GLAPI_SOURCES:.c=.o)
-glapi_ASM_OBJECTS := $(GLAPI_ASM_SOURCES:.S=.o)
-glapi_MAPI_OBJECTS := $(MAPI_UTIL_SOURCES:.c=.o)
-endif # SHARED_GLAPI
-
-glapi_OBJECTS := \
- $(glapi_GLAPI_OBJECTS) \
- $(glapi_ASM_OBJECTS) \
- $(glapi_MAPI_OBJECTS)
-
-default: depend lib$(TARGET).a
-
-lib$(TARGET).a: $(glapi_OBJECTS)
- @$(MKLIB) -o $(TARGET) -static $(glapi_OBJECTS)
-
-$(glapi_GLAPI_OBJECTS): %.o: %.c
- $(CC) -c $(glapi_CPPFLAGS) $(CFLAGS) $< -o $@
-
-$(glapi_ASM_OBJECTS): %.o: %.S
- $(CC) -c $(glapi_CPPFLAGS) $(CFLAGS) $< -o $@
-
-$(glapi_MAPI_OBJECTS): %.o: $(MAPI)/%.c
- $(CC) -c $(glapi_CPPFLAGS) $(CFLAGS) $< -o $@
-
-install:
-
-clean:
- -rm -f $(glapi_OBJECTS)
- -rm -f lib$(TARGET).a
- -rm -f depend depend.bak
-
-depend: $(glapi_SOURCES)
- @ echo "running $(MKDEP)"
- @ touch depend
- @$(MKDEP) $(MKDEP_OPTIONS) -f- $(DEFINES) $(glapi_CPPFLAGS) \
- $(glapi_SOURCES) 2>/dev/null | sed -e 's,^$(MAPI)/,,' > depend
-
--include depend
+# src/mapi/glapi/Makefile
+
+TOP = ../../..
+include $(TOP)/configs/current
+
+TARGET = glapi
+
+MAPI = $(TOP)/src/mapi/mapi
+
+include sources.mak
+include $(MAPI)/sources.mak
+
+glapi_CPPFLAGS := \
+ -I$(TOP)/include \
+ -I$(TOP)/src/mapi \
+ -I$(TOP)/src/mesa
+
+ifeq ($(SHARED_GLAPI),1)
+glapi_CPPFLAGS += \
+ -DMAPI_MODE_BRIDGE \
+ -DMAPI_ABI_HEADER=\"glapi/glapi_mapi_tmp.h\"
+glapi_SOURCES := $(addprefix $(MAPI)/, $(MAPI_BRIDGE_SOURCES))
+
+glapi_GLAPI_OBJECTS :=
+glapi_ASM_OBJECTS :=
+glapi_MAPI_OBJECTS := $(MAPI_BRIDGE_SOURCES:.c=.o)
+else
+glapi_CPPFLAGS += -DMAPI_MODE_UTIL
+glapi_SOURCES := $(GLAPI_SOURCES) $(addprefix $(MAPI)/, $(MAPI_UTIL_SOURCES))
+
+glapi_GLAPI_OBJECTS := $(GLAPI_SOURCES:.c=.o)
+glapi_ASM_OBJECTS := $(GLAPI_ASM_SOURCES:.S=.o)
+glapi_MAPI_OBJECTS := $(MAPI_UTIL_SOURCES:.c=.o)
+endif # SHARED_GLAPI
+
+glapi_OBJECTS := \
+ $(glapi_GLAPI_OBJECTS) \
+ $(glapi_ASM_OBJECTS) \
+ $(glapi_MAPI_OBJECTS)
+
+default: depend lib$(TARGET).a
+
+lib$(TARGET).a: $(glapi_OBJECTS)
+ @$(MKLIB) -o $(TARGET) -static $(glapi_OBJECTS)
+
+$(glapi_GLAPI_OBJECTS): %.o: %.c
+ $(CC) -c $(glapi_CPPFLAGS) $(CFLAGS) $< -o $@
+
+$(glapi_ASM_OBJECTS): %.o: %.S
+ $(CC) -c $(glapi_CPPFLAGS) $(CFLAGS) $< -o $@
+
+$(glapi_MAPI_OBJECTS): %.o: $(MAPI)/%.c
+ $(CC) -c $(glapi_CPPFLAGS) $(CFLAGS) $< -o $@
+
+install:
+
+clean:
+ -rm -f $(glapi_OBJECTS)
+ -rm -f lib$(TARGET).a
+ -rm -f depend depend.bak
+
+ifeq ($(SHARED_GLAPI),1)
+# workaround a bug in makedepend
+makedepend_CPPFLAGS := \
+ $(filter-out -DMAPI_ABI_HEADER=%, $(glapi_CPPFLAGS))
+$(glapi_OBJECTS): glapi_mapi_tmp.h
+else
+makedepend_CPPFLAGS := $(glapi_CPPFLAGS)
+endif
+
+depend: $(glapi_SOURCES)
+ @ echo "running $(MKDEP)"
+ @ touch depend
+ @$(MKDEP) $(MKDEP_OPTIONS) -f- $(DEFINES) $(makedepend_CPPFLAGS) \
+ $(glapi_SOURCES) 2>/dev/null | sed -e 's,^$(MAPI)/,,' > depend
+
+-include depend
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index aaef337ac..9f58b45e2 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -1,915 +1,915 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.6
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file
- * \brief Extension handling
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "extensions.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-
-enum {
- DISABLE = 0,
- GL = 1 << API_OPENGL,
- ES1 = 1 << API_OPENGLES,
- ES2 = 1 << API_OPENGLES2,
-};
-
-/**
- * \brief An element of the \c extension_table.
- */
-struct extension {
- /** Name of extension, such as "GL_ARB_depth_clamp". */
- const char *name;
-
- /** Offset (in bytes) of the corresponding member in struct gl_extensions. */
- size_t offset;
-
- /** Set of API's in which the extension exists, as a bitset. */
- uint8_t api_set;
-};
-
-
-/**
- * Given a member \c x of struct gl_extensions, return offset of
- * \c x in bytes.
- */
-#define o(x) offsetof(struct gl_extensions, x)
-
-
-/**
- * \brief Table of supported OpenGL extensions for all API's.
- *
- * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions.
- */
-static const struct extension extension_table[] = {
- /* ARB Extensions */
- { "GL_ARB_ES2_compatibility", o(ARB_ES2_compatibility), GL },
- { "GL_ARB_blend_func_extended", o(ARB_blend_func_extended), GL },
- { "GL_ARB_copy_buffer", o(ARB_copy_buffer), GL },
- { "GL_ARB_depth_buffer_float", o(ARB_depth_buffer_float), GL },
- { "GL_ARB_depth_clamp", o(ARB_depth_clamp), GL },
- { "GL_ARB_depth_texture", o(ARB_depth_texture), GL },
- { "GL_ARB_draw_buffers", o(ARB_draw_buffers), GL },
- { "GL_ARB_draw_buffers_blend", o(ARB_draw_buffers_blend), GL },
- { "GL_ARB_draw_elements_base_vertex", o(ARB_draw_elements_base_vertex), GL },
- { "GL_ARB_draw_instanced", o(ARB_draw_instanced), GL },
- { "GL_ARB_explicit_attrib_location", o(ARB_explicit_attrib_location), GL },
- { "GL_ARB_fragment_coord_conventions", o(ARB_fragment_coord_conventions), GL },
- { "GL_ARB_fragment_program", o(ARB_fragment_program), GL },
- { "GL_ARB_fragment_program_shadow", o(ARB_fragment_program_shadow), GL },
- { "GL_ARB_fragment_shader", o(ARB_fragment_shader), GL },
- { "GL_ARB_framebuffer_object", o(ARB_framebuffer_object), GL },
- { "GL_ARB_framebuffer_sRGB", o(EXT_framebuffer_sRGB), GL },
- { "GL_ARB_half_float_pixel", o(ARB_half_float_pixel), GL },
- { "GL_ARB_half_float_vertex", o(ARB_half_float_vertex), GL },
- { "GL_ARB_instanced_arrays", o(ARB_instanced_arrays), GL },
- { "GL_ARB_map_buffer_range", o(ARB_map_buffer_range), GL },
- { "GL_ARB_multisample", o(ARB_multisample), GL },
- { "GL_ARB_multitexture", o(ARB_multitexture), GL },
- { "GL_ARB_occlusion_query2", o(ARB_occlusion_query2), GL },
- { "GL_ARB_occlusion_query", o(ARB_occlusion_query), GL },
- { "GL_ARB_pixel_buffer_object", o(EXT_pixel_buffer_object), GL },
- { "GL_ARB_point_parameters", o(EXT_point_parameters), GL },
- { "GL_ARB_point_sprite", o(ARB_point_sprite), GL },
- { "GL_ARB_provoking_vertex", o(EXT_provoking_vertex), GL },
- { "GL_ARB_sampler_objects", o(ARB_sampler_objects), GL },
- { "GL_ARB_seamless_cube_map", o(ARB_seamless_cube_map), GL },
- { "GL_ARB_shader_objects", o(ARB_shader_objects), GL },
- { "GL_ARB_shader_stencil_export", o(ARB_shader_stencil_export), GL },
- { "GL_ARB_shading_language_100", o(ARB_shading_language_100), GL },
- { "GL_ARB_shadow_ambient", o(ARB_shadow_ambient), GL },
- { "GL_ARB_shadow", o(ARB_shadow), GL },
- { "GL_ARB_sync", o(ARB_sync), GL },
- { "GL_ARB_texture_border_clamp", o(ARB_texture_border_clamp), GL },
- { "GL_ARB_texture_buffer_object", o(ARB_texture_buffer_object), GL },
- { "GL_ARB_texture_compression", o(ARB_texture_compression), GL },
- { "GL_ARB_texture_compression_rgtc", o(ARB_texture_compression_rgtc), GL },
- { "GL_ARB_texture_cube_map", o(ARB_texture_cube_map), GL },
- { "GL_ARB_texture_env_add", o(EXT_texture_env_add), GL },
- { "GL_ARB_texture_env_combine", o(ARB_texture_env_combine), GL },
- { "GL_ARB_texture_env_crossbar", o(ARB_texture_env_crossbar), GL },
- { "GL_ARB_texture_env_dot3", o(ARB_texture_env_dot3), GL },
- { "GL_ARB_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), GL },
- { "GL_ARB_texture_multisample", o(ARB_texture_multisample), GL },
- { "GL_ARB_texture_non_power_of_two", o(ARB_texture_non_power_of_two), GL },
- { "GL_ARB_texture_rectangle", o(NV_texture_rectangle), GL },
- { "GL_ARB_texture_rgb10_a2ui", o(ARB_texture_rgb10_a2ui), GL },
- { "GL_ARB_texture_rg", o(ARB_texture_rg), GL },
- { "GL_ARB_texture_swizzle", o(EXT_texture_swizzle), GL },
- { "GL_ARB_transform_feedback2", o(ARB_transform_feedback2), GL },
- { "GL_ARB_transpose_matrix", o(ARB_transpose_matrix), GL },
- { "GL_ARB_uniform_buffer_object", o(ARB_uniform_buffer_object), GL },
- { "GL_ARB_vertex_array_bgra", o(EXT_vertex_array_bgra), GL },
- { "GL_ARB_vertex_array_object", o(ARB_vertex_array_object), GL },
- { "GL_ARB_vertex_buffer_object", o(ARB_vertex_buffer_object), GL },
- { "GL_ARB_vertex_program", o(ARB_vertex_program), GL },
- { "GL_ARB_vertex_shader", o(ARB_vertex_shader), GL },
- { "GL_ARB_vertex_type_2_10_10_10_rev", o(ARB_vertex_type_2_10_10_10_rev), GL },
- { "GL_ARB_window_pos", o(ARB_window_pos), GL },
-
- /* EXT extensions */
- { "GL_EXT_abgr", o(EXT_abgr), GL },
- { "GL_EXT_bgra", o(EXT_bgra), GL },
- { "GL_EXT_blend_color", o(EXT_blend_color), GL },
- { "GL_EXT_blend_equation_separate", o(EXT_blend_equation_separate), GL },
- { "GL_EXT_blend_func_separate", o(EXT_blend_func_separate), GL },
- { "GL_EXT_blend_logic_op", o(EXT_blend_logic_op), GL },
- { "GL_EXT_blend_minmax", o(EXT_blend_minmax), GL | ES1 | ES2 },
- { "GL_EXT_blend_subtract", o(EXT_blend_subtract), GL },
- { "GL_EXT_clip_volume_hint", o(EXT_clip_volume_hint), GL },
- { "GL_EXT_compiled_vertex_array", o(EXT_compiled_vertex_array), GL },
- { "GL_EXT_copy_texture", o(EXT_copy_texture), GL },
- { "GL_EXT_depth_bounds_test", o(EXT_depth_bounds_test), GL },
- { "GL_EXT_draw_buffers2", o(EXT_draw_buffers2), GL },
- { "GL_EXT_draw_instanced", o(ARB_draw_instanced), GL },
- { "GL_EXT_draw_range_elements", o(EXT_draw_range_elements), GL },
- { "GL_EXT_fog_coord", o(EXT_fog_coord), GL },
- { "GL_EXT_framebuffer_blit", o(EXT_framebuffer_blit), GL },
- { "GL_EXT_framebuffer_multisample", o(EXT_framebuffer_multisample), GL },
- { "GL_EXT_framebuffer_object", o(EXT_framebuffer_object), GL },
- { "GL_EXT_framebuffer_sRGB", o(EXT_framebuffer_sRGB), GL },
- { "GL_EXT_gpu_program_parameters", o(EXT_gpu_program_parameters), GL },
- { "GL_EXT_gpu_shader4", o(EXT_gpu_shader4), GL },
- { "GL_EXT_multi_draw_arrays", o(EXT_multi_draw_arrays), GL | ES1 | ES2 },
- { "GL_EXT_packed_depth_stencil", o(EXT_packed_depth_stencil), GL },
- { "GL_EXT_packed_float", o(EXT_packed_float), GL },
- { "GL_EXT_packed_pixels", o(EXT_packed_pixels), GL },
- { "GL_EXT_paletted_texture", o(EXT_paletted_texture), GL },
- { "GL_EXT_pixel_buffer_object", o(EXT_pixel_buffer_object), GL },
- { "GL_EXT_point_parameters", o(EXT_point_parameters), GL },
- { "GL_EXT_polygon_offset", o(EXT_polygon_offset), GL },
- { "GL_EXT_provoking_vertex", o(EXT_provoking_vertex), GL },
- { "GL_EXT_rescale_normal", o(EXT_rescale_normal), GL },
- { "GL_EXT_secondary_color", o(EXT_secondary_color), GL },
- { "GL_EXT_separate_shader_objects", o(EXT_separate_shader_objects), GL },
- { "GL_EXT_separate_specular_color", o(EXT_separate_specular_color), GL },
- { "GL_EXT_shadow_funcs", o(EXT_shadow_funcs), GL },
- { "GL_EXT_shared_texture_palette", o(EXT_shared_texture_palette), GL },
- { "GL_EXT_stencil_two_side", o(EXT_stencil_two_side), GL },
- { "GL_EXT_stencil_wrap", o(EXT_stencil_wrap), GL },
- { "GL_EXT_subtexture", o(EXT_subtexture), GL },
- { "GL_EXT_texture3D", o(EXT_texture3D), GL },
- { "GL_EXT_texture_array", o(EXT_texture_array), GL },
- { "GL_EXT_texture_compression_dxt1", o(EXT_texture_compression_s3tc), GL | ES1 | ES2 },
- { "GL_EXT_texture_compression_rgtc", o(ARB_texture_compression_rgtc), GL },
- { "GL_EXT_texture_compression_s3tc", o(EXT_texture_compression_s3tc), GL },
- { "GL_EXT_texture_cube_map", o(ARB_texture_cube_map), GL },
- { "GL_EXT_texture_edge_clamp", o(SGIS_texture_edge_clamp), GL },
- { "GL_EXT_texture_env_add", o(EXT_texture_env_add), GL },
- { "GL_EXT_texture_env_combine", o(EXT_texture_env_combine), GL },
- { "GL_EXT_texture_env_dot3", o(EXT_texture_env_dot3), GL },
- { "GL_EXT_texture_filter_anisotropic", o(EXT_texture_filter_anisotropic), GL | ES1 | ES2 },
- { "GL_EXT_texture_format_BGRA8888", o(EXT_texture_format_BGRA8888), ES1 | ES2 },
- { "GL_EXT_texture_integer", o(EXT_texture_integer), GL },
- { "GL_EXT_texture_lod_bias", o(EXT_texture_lod_bias), GL | ES1 },
- { "GL_EXT_texture_mirror_clamp", o(EXT_texture_mirror_clamp), GL },
- { "GL_EXT_texture_object", o(EXT_texture_object), GL },
- { "GL_EXT_texture", o(EXT_texture), GL },
- { "GL_EXT_texture_rectangle", o(NV_texture_rectangle), GL },
- { "GL_EXT_texture_shared_exponent", o(EXT_texture_shared_exponent), GL },
- { "GL_EXT_texture_sRGB", o(EXT_texture_sRGB), GL },
- { "GL_EXT_texture_sRGB_decode", o(EXT_texture_sRGB_decode), GL },
- { "GL_EXT_texture_swizzle", o(EXT_texture_swizzle), GL },
- { "GL_EXT_texture_type_2_10_10_10_REV", o(dummy_true), ES2 },
- { "GL_EXT_timer_query", o(EXT_timer_query), GL },
- { "GL_EXT_transform_feedback", o(EXT_transform_feedback), GL },
- { "GL_EXT_vertex_array_bgra", o(EXT_vertex_array_bgra), GL },
- { "GL_EXT_vertex_array", o(EXT_vertex_array), GL },
- { "GL_EXT_vertex_array_set", o(EXT_vertex_array_set), GL },
-
- /* OES extensions */
- { "GL_OES_blend_equation_separate", o(EXT_blend_equation_separate), ES1 },
- { "GL_OES_blend_func_separate", o(EXT_blend_func_separate), ES1 },
- { "GL_OES_blend_subtract", o(EXT_blend_subtract), ES1 },
- { "GL_OES_byte_coordinates", o(dummy_true), ES1 },
- { "GL_OES_compressed_paletted_texture", o(dummy_false), DISABLE },
- { "GL_OES_depth24", o(EXT_framebuffer_object), ES1 | ES2 },
- { "GL_OES_depth32", o(dummy_false), DISABLE },
- { "GL_OES_depth_texture", o(ARB_depth_texture), ES2 },
-#if FEATURE_OES_draw_texture
- { "GL_OES_draw_texture", o(OES_draw_texture), ES1 | ES2 },
-#endif
-#if FEATURE_OES_EGL_image
- /* FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
- { "GL_OES_EGL_image", o(OES_EGL_image), GL | ES1 | ES2 },
-#endif
- { "GL_OES_element_index_uint", o(EXT_vertex_array), ES1 | ES2 },
- { "GL_OES_fbo_render_mipmap", o(EXT_framebuffer_object), ES1 | ES2 },
- { "GL_OES_fixed_point", o(dummy_true), ES1 },
- { "GL_OES_framebuffer_object", o(EXT_framebuffer_object), ES1 },
- { "GL_OES_mapbuffer", o(ARB_vertex_buffer_object), ES1 | ES2 },
- { "GL_OES_matrix_get", o(dummy_true), ES1 },
- { "GL_OES_packed_depth_stencil", o(EXT_packed_depth_stencil), ES1 | ES2 },
- { "GL_OES_point_size_array", o(dummy_true), ES1 },
- { "GL_OES_point_sprite", o(ARB_point_sprite), ES1 },
- { "GL_OES_query_matrix", o(dummy_true), ES1 },
- { "GL_OES_read_format", o(OES_read_format), GL | ES1 },
- { "GL_OES_rgb8_rgba8", o(EXT_framebuffer_object), ES1 | ES2 },
- { "GL_OES_single_precision", o(dummy_true), ES1 },
- { "GL_OES_standard_derivatives", o(OES_standard_derivatives), ES2 },
- { "GL_OES_stencil1", o(dummy_false), DISABLE },
- { "GL_OES_stencil4", o(dummy_false), DISABLE },
- { "GL_OES_stencil8", o(EXT_framebuffer_object), ES1 | ES2 },
- { "GL_OES_stencil_wrap", o(EXT_stencil_wrap), ES1 },
- /* GL_OES_texture_3D is disabled due to missing GLSL support. */
- { "GL_OES_texture_3D", o(EXT_texture3D), DISABLE },
- { "GL_OES_texture_cube_map", o(ARB_texture_cube_map), ES1 },
- { "GL_OES_texture_env_crossbar", o(ARB_texture_env_crossbar), ES1 },
- { "GL_OES_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), ES1 },
- { "GL_OES_texture_npot", o(ARB_texture_non_power_of_two), ES2 },
-
- /* Vendor extensions */
- { "GL_3DFX_texture_compression_FXT1", o(TDFX_texture_compression_FXT1), GL },
- { "GL_AMD_conservative_depth", o(AMD_conservative_depth), GL | ES2 },
- { "GL_APPLE_client_storage", o(APPLE_client_storage), GL },
- { "GL_APPLE_object_purgeable", o(APPLE_object_purgeable), GL },
- { "GL_APPLE_packed_pixels", o(APPLE_packed_pixels), GL },
- { "GL_APPLE_vertex_array_object", o(APPLE_vertex_array_object), GL },
- { "GL_ATI_blend_equation_separate", o(EXT_blend_equation_separate), GL },
- { "GL_ATI_envmap_bumpmap", o(ATI_envmap_bumpmap), GL },
- { "GL_ATI_fragment_shader", o(ATI_fragment_shader), GL },
- { "GL_ATI_separate_stencil", o(ATI_separate_stencil), GL },
- { "GL_ATI_texture_env_combine3", o(ATI_texture_env_combine3), GL },
- { "GL_ATI_texture_mirror_once", o(ATI_texture_mirror_once), GL },
- { "GL_IBM_multimode_draw_arrays", o(IBM_multimode_draw_arrays), GL },
- { "GL_IBM_rasterpos_clip", o(IBM_rasterpos_clip), GL },
- { "GL_IBM_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), GL },
- { "GL_INGR_blend_func_separate", o(EXT_blend_func_separate), GL },
- { "GL_MESA_pack_invert", o(MESA_pack_invert), GL },
- { "GL_MESA_resize_buffers", o(MESA_resize_buffers), GL },
- { "GL_MESA_texture_array", o(MESA_texture_array), GL },
- { "GL_MESA_texture_signed_rgba", o(MESA_texture_signed_rgba), GL },
- { "GL_MESA_window_pos", o(ARB_window_pos), GL },
- { "GL_MESAX_texture_float", o(ARB_texture_float), GL },
- { "GL_MESA_ycbcr_texture", o(MESA_ycbcr_texture), GL },
- { "GL_NV_blend_square", o(NV_blend_square), GL },
- { "GL_NV_conditional_render", o(NV_conditional_render), GL },
- { "GL_NV_depth_clamp", o(ARB_depth_clamp), GL },
- { "GL_NV_fragment_program", o(NV_fragment_program), GL },
- { "GL_NV_fragment_program_option", o(NV_fragment_program_option), GL },
- { "GL_NV_light_max_exponent", o(NV_light_max_exponent), GL },
- { "GL_NV_packed_depth_stencil", o(EXT_packed_depth_stencil), GL },
- { "GL_NV_point_sprite", o(NV_point_sprite), GL },
- { "GL_NV_primitive_restart", o(NV_primitive_restart), GL },
- { "GL_NV_texgen_reflection", o(NV_texgen_reflection), GL },
- { "GL_NV_texture_env_combine4", o(NV_texture_env_combine4), GL },
- { "GL_NV_texture_rectangle", o(NV_texture_rectangle), GL },
- { "GL_NV_vertex_program1_1", o(NV_vertex_program1_1), GL },
- { "GL_NV_vertex_program", o(NV_vertex_program), GL },
- { "GL_S3_s3tc", o(S3_s3tc), GL },
- { "GL_SGIS_generate_mipmap", o(SGIS_generate_mipmap), GL },
- { "GL_SGIS_texture_border_clamp", o(ARB_texture_border_clamp), GL },
- { "GL_SGIS_texture_edge_clamp", o(SGIS_texture_edge_clamp), GL },
- { "GL_SGIS_texture_lod", o(SGIS_texture_lod), GL },
- { "GL_SGI_texture_color_table", o(SGI_texture_color_table), GL },
- { "GL_SUN_multi_draw_arrays", o(EXT_multi_draw_arrays), GL },
-
- { 0, 0, 0 },
-};
-
-
-/**
- * Given an extension name, lookup up the corresponding member of struct
- * gl_extensions and return that member's offset (in bytes). If the name is
- * not found in the \c extension_table, return 0.
- *
- * \param name Name of extension.
- * \return Offset of member in struct gl_extensions.
- */
-static size_t
-name_to_offset(const char* name)
-{
- const struct extension *i;
-
- if (name == 0)
- return 0;
-
- for (i = extension_table; i->name != 0; ++i) {
- if (strcmp(name, i->name) == 0)
- return i->offset;
- }
-
- return 0;
-}
-
-
-/**
- * \brief Extensions enabled by default.
- *
- * These extensions are enabled by _mesa_init_extensions().
- *
- * XXX: Should these defaults also apply to GLES?
- */
-static const size_t default_extensions[] = {
- o(ARB_copy_buffer),
- o(ARB_draw_buffers),
- o(ARB_multisample),
- o(ARB_texture_compression),
- o(ARB_transpose_matrix),
- o(ARB_vertex_buffer_object),
- o(ARB_window_pos),
-
- o(EXT_abgr),
- o(EXT_bgra),
- o(EXT_compiled_vertex_array),
- o(EXT_copy_texture),
- o(EXT_draw_range_elements),
- o(EXT_multi_draw_arrays),
- o(EXT_packed_pixels),
- o(EXT_polygon_offset),
- o(EXT_rescale_normal),
- o(EXT_separate_specular_color),
- o(EXT_subtexture),
- o(EXT_texture),
- o(EXT_texture3D),
- o(EXT_texture_object),
- o(EXT_vertex_array),
-
- o(OES_read_format),
- o(OES_standard_derivatives),
-
- /* Vendor Extensions */
- o(APPLE_packed_pixels),
- o(IBM_multimode_draw_arrays),
- o(IBM_rasterpos_clip),
- o(NV_light_max_exponent),
- o(NV_texgen_reflection),
- o(SGIS_generate_mipmap),
- o(SGIS_texture_edge_clamp),
- o(SGIS_texture_lod),
-
- 0,
-};
-
-
-/**
- * Enable all extensions suitable for a software-only renderer.
- * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc.
- */
-void
-_mesa_enable_sw_extensions(struct gl_context *ctx)
-{
- /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
- ctx->Extensions.ARB_depth_clamp = GL_TRUE;
- ctx->Extensions.ARB_depth_texture = GL_TRUE;
- /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
- ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
- ctx->Extensions.ARB_draw_instanced = GL_TRUE;
- ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
- ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
-#if FEATURE_ARB_fragment_program
- ctx->Extensions.ARB_fragment_program = GL_TRUE;
- ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
-#endif
-#if FEATURE_ARB_fragment_shader
- ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-#endif
-#if FEATURE_ARB_framebuffer_object
- ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
-#endif
-#if FEATURE_ARB_geometry_shader4 && 0
- /* XXX re-enable when GLSL compiler again supports geometry shaders */
- ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
-#endif
- ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
- ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
- ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
- ctx->Extensions.ARB_multitexture = GL_TRUE;
-#if FEATURE_queryobj
- ctx->Extensions.ARB_occlusion_query = GL_TRUE;
- ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
-#endif
- ctx->Extensions.ARB_point_sprite = GL_TRUE;
-#if FEATURE_ARB_shader_objects
- ctx->Extensions.ARB_shader_objects = GL_TRUE;
- ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
-#endif
-#if FEATURE_ARB_shading_language_100
- ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-#endif
- ctx->Extensions.ARB_shadow = GL_TRUE;
- ctx->Extensions.ARB_shadow_ambient = GL_TRUE;
- ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
- ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
- ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
- ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
- ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
- /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/
- ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
- ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
- ctx->Extensions.ARB_texture_rg = GL_TRUE;
- ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
-#if FEATURE_ARB_vertex_program
- ctx->Extensions.ARB_vertex_program = GL_TRUE;
-#endif
-#if FEATURE_ARB_vertex_shader
- ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-#endif
-#if FEATURE_ARB_vertex_buffer_object
- /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
-#endif
-#if FEATURE_ARB_sync
- ctx->Extensions.ARB_sync = GL_TRUE;
-#endif
- ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
-#if FEATURE_APPLE_object_purgeable
- ctx->Extensions.APPLE_object_purgeable = GL_TRUE;
-#endif
- ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
-#if FEATURE_ATI_fragment_shader
- ctx->Extensions.ATI_fragment_shader = GL_TRUE;
-#endif
- ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE;
- ctx->Extensions.ATI_texture_mirror_once = GL_TRUE;
- ctx->Extensions.ATI_separate_stencil = GL_TRUE;
- ctx->Extensions.EXT_blend_color = GL_TRUE;
- ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
- ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
- ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
- ctx->Extensions.EXT_blend_minmax = GL_TRUE;
- ctx->Extensions.EXT_blend_subtract = GL_TRUE;
- ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;
- ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
- ctx->Extensions.EXT_fog_coord = GL_TRUE;
-#if FEATURE_EXT_framebuffer_object
- ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
-#endif
-#if FEATURE_EXT_framebuffer_blit
- ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
-#endif
-#if FEATURE_ARB_framebuffer_object
- ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
-#endif
- /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
- ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
- ctx->Extensions.EXT_paletted_texture = GL_TRUE;
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
-#endif
- ctx->Extensions.EXT_point_parameters = GL_TRUE;
- ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
- ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
- ctx->Extensions.EXT_secondary_color = GL_TRUE;
- ctx->Extensions.EXT_shared_texture_palette = GL_TRUE;
- ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
- ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
- ctx->Extensions.EXT_texture_array = GL_TRUE;
- ctx->Extensions.EXT_texture_env_add = GL_TRUE;
- ctx->Extensions.EXT_texture_env_combine = GL_TRUE;
- ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
- ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;
- ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
-#if FEATURE_EXT_texture_sRGB
- ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
- ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE;
-#endif
- ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
-#if FEATURE_EXT_transform_feedback
- /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
-#endif
- ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
- /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
- ctx->Extensions.MESA_pack_invert = GL_TRUE;
- ctx->Extensions.MESA_resize_buffers = GL_TRUE;
- ctx->Extensions.MESA_texture_array = GL_TRUE;
- ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
- ctx->Extensions.NV_blend_square = GL_TRUE;
- ctx->Extensions.NV_conditional_render = GL_TRUE;
- /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
- ctx->Extensions.NV_point_sprite = GL_TRUE;
- ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
- ctx->Extensions.NV_texture_rectangle = GL_TRUE;
- /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
-#if FEATURE_NV_vertex_program
- ctx->Extensions.NV_vertex_program = GL_TRUE;
- ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;
-#endif
-#if FEATURE_NV_fragment_program
- ctx->Extensions.NV_fragment_program = GL_TRUE;
-#endif
-#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
- ctx->Extensions.NV_fragment_program_option = GL_TRUE;
-#endif
- ctx->Extensions.SGI_texture_color_table = GL_TRUE;
- /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
- ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE;
-#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
- ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
-#endif
-#if FEATURE_texture_fxt1
- _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
-#endif
-#if FEATURE_texture_s3tc
- if (ctx->Mesa_DXTn) {
- _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
- _mesa_enable_extension(ctx, "GL_S3_s3tc");
- }
-#endif
-}
-
-
-/**
- * Enable common EXT extensions in the ARB_imaging subset.
- */
-void
-_mesa_enable_imaging_extensions(struct gl_context *ctx)
-{
- ctx->Extensions.EXT_blend_color = GL_TRUE;
- ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
- ctx->Extensions.EXT_blend_minmax = GL_TRUE;
- ctx->Extensions.EXT_blend_subtract = GL_TRUE;
-}
-
-
-
-/**
- * Enable all OpenGL 1.3 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_1_3_extensions(struct gl_context *ctx)
-{
- /*ctx->Extensions.ARB_multisample = GL_TRUE;*/
- ctx->Extensions.ARB_multitexture = GL_TRUE;
- ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
- /*ctx->Extensions.ARB_texture_compression = GL_TRUE;*/
- ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
- ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
- ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
- ctx->Extensions.EXT_texture_env_add = GL_TRUE;
- /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/
-}
-
-
-
-/**
- * Enable all OpenGL 1.4 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_1_4_extensions(struct gl_context *ctx)
-{
- ctx->Extensions.ARB_depth_texture = GL_TRUE;
- ctx->Extensions.ARB_shadow = GL_TRUE;
- ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
- ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
- ctx->Extensions.ARB_window_pos = GL_TRUE;
- ctx->Extensions.EXT_blend_color = GL_TRUE;
- ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
- ctx->Extensions.EXT_blend_minmax = GL_TRUE;
- ctx->Extensions.EXT_blend_subtract = GL_TRUE;
- ctx->Extensions.EXT_fog_coord = GL_TRUE;
- /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
- ctx->Extensions.EXT_point_parameters = GL_TRUE;
- ctx->Extensions.EXT_secondary_color = GL_TRUE;
- ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
- ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
- /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
-}
-
-
-/**
- * Enable all OpenGL 1.5 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_1_5_extensions(struct gl_context *ctx)
-{
- ctx->Extensions.ARB_occlusion_query = GL_TRUE;
- /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
- ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
-}
-
-
-/**
- * Enable all OpenGL 2.0 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_2_0_extensions(struct gl_context *ctx)
-{
- /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
-#if FEATURE_ARB_fragment_shader
- ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-#endif
- ctx->Extensions.ARB_point_sprite = GL_TRUE;
- ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
- ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
-#if FEATURE_ARB_shader_objects
- ctx->Extensions.ARB_shader_objects = GL_TRUE;
-#endif
-#if FEATURE_ARB_shading_language_100
- ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-#endif
- ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
-#if FEATURE_ARB_vertex_shader
- ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-#endif
-}
-
-
-/**
- * Enable all OpenGL 2.1 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_2_1_extensions(struct gl_context *ctx)
-{
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
-#endif
-#if FEATURE_EXT_texture_sRGB
- ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
-#endif
-}
-
-
-/**
- * Either enable or disable the named extension.
- * \return GL_TRUE for success, GL_FALSE if invalid extension name
- */
-static GLboolean
-set_extension( struct gl_context *ctx, const char *name, GLboolean state )
-{
- size_t offset;
-
- if (ctx->Extensions.String) {
- /* The string was already queried - can't change it now! */
- _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name);
- return GL_FALSE;
- }
-
- offset = name_to_offset(name);
- if (offset == 0) {
- _mesa_problem(ctx, "Trying to enable/disable unknown extension %s",
- name);
- return GL_FALSE;
- } else if (offset == o(dummy_true) && state == GL_FALSE) {
- _mesa_problem(ctx, "Trying to disable a permanently enabled extension: "
- "%s", name);
- return GL_FALSE;
- } else {
- GLboolean *base = (GLboolean *) &ctx->Extensions;
- base[offset] = state;
- return GL_TRUE;
- }
-}
-
-
-/**
- * Enable the named extension.
- * Typically called by drivers.
- */
-void
-_mesa_enable_extension( struct gl_context *ctx, const char *name )
-{
- if (!set_extension(ctx, name, GL_TRUE))
- _mesa_problem(ctx, "Trying to enable unknown extension: %s", name);
-}
-
-
-/**
- * Disable the named extension.
- * XXX is this really needed???
- */
-void
-_mesa_disable_extension( struct gl_context *ctx, const char *name )
-{
- if (!set_extension(ctx, name, GL_FALSE))
- _mesa_problem(ctx, "Trying to disable unknown extension: %s", name);
-}
-
-
-/**
- * Test if the named extension is enabled in this context.
- */
-GLboolean
-_mesa_extension_is_enabled( struct gl_context *ctx, const char *name )
-{
- size_t offset;
- GLboolean *base;
-
- if (name == 0)
- return GL_FALSE;
-
- offset = name_to_offset(name);
- if (offset == 0)
- return GL_FALSE;
- base = (GLboolean *) &ctx->Extensions;
- return base[offset];
-}
-
-
-/**
- * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable.
- *
- * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to
- * enable or disable. The list is processed thus:
- * - Enable recognized extension names that are prefixed with '+'.
- * - Disable recognized extension names that are prefixed with '-'.
- * - Enable recognized extension names that are not prefixed.
- * - Collect unrecognized extension names in a new string.
- *
- * \return Space-separated list of unrecognized extension names (which must
- * be freed). Does not return \c NULL.
- */
-static char *
-get_extension_override( struct gl_context *ctx )
-{
- const char *env_const= _mesa_getenv("MESA_EXTENSION_OVERRIDE");
- char *env;
- char *ext;
- char *extra_exts;
- int len;
-
- if (env_const == NULL) {
- /* Return the empty string rather than NULL. This simplifies the logic
- * of client functions. */
- return calloc(1, sizeof(char));
- }
-
- /* extra_exts: List of unrecognized extensions. */
- extra_exts = calloc(strlen(env_const), sizeof(char));
-
- /* Copy env_const because strtok() is destructive. */
- env = strdup(env_const);
- for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) {
- int enable;
- int recognized;
- switch (ext[0]) {
- case '+':
- enable = 1;
- ++ext;
- break;
- case '-':
- enable = 0;
- ++ext;
- break;
- default:
- enable = 1;
- break;
- }
- recognized = set_extension(ctx, ext, enable);
- if (!recognized) {
- strcat(extra_exts, ext);
- strcat(extra_exts, " ");
- }
- }
-
- /* Remove trailing space. */
- len = strlen(extra_exts);
- if (extra_exts[len - 1] == ' ')
- extra_exts[len - 1] = '\0';
-
- return extra_exts;
-}
-
-
-/**
- * \brief Initialize extension tables and enable default extensions.
- *
- * This should be called during context initialization.
- * Note: Sets gl_extensions.dummy_true to true.
- */
-void
-_mesa_init_extensions( struct gl_context *ctx )
-{
- GLboolean *base = (GLboolean *) &ctx->Extensions;
- GLboolean *sentinel = base + o(extension_sentinel);
- GLboolean *i;
- const size_t *j;
-
- /* First, turn all extensions off. */
- for (i = base; i != sentinel; ++i)
- *i = GL_FALSE;
-
- /* Then, selectively turn default extensions on. */
- ctx->Extensions.dummy_true = GL_TRUE;
- for (j = default_extensions; *j != 0; ++j)
- base[*j] = GL_TRUE;
-}
-
-
-/**
- * Construct the GL_EXTENSIONS string. Called the first time that
- * glGetString(GL_EXTENSIONS) is called.
- */
-GLubyte*
-_mesa_make_extension_string(struct gl_context *ctx)
-{
- /* The extension string. */
- char *exts = 0;
- /* Length of extension string. */
- size_t length = 0;
- /* String of extra extensions. */
- char *extra_extensions = get_extension_override(ctx);
- GLboolean *base = (GLboolean *) &ctx->Extensions;
- const struct extension *i;
-
- /* Compute length of the extension string. */
- for (i = extension_table; i->name != 0; ++i) {
- if (base[i->offset] && (i->api_set & (1 << ctx->API))) {
- length += strlen(i->name) + 1; /* +1 for space */
- }
- }
- if (extra_extensions != NULL)
- length += 1 + strlen(extra_extensions); /* +1 for space */
-
- exts = (char *) calloc(length + 1, sizeof(char));
- if (exts == NULL) {
- free(extra_extensions);
- return NULL;
- }
-
- /* Build the extension string.*/
- for (i = extension_table; i->name != 0; ++i) {
- if (base[i->offset] && (i->api_set & (1 << ctx->API))) {
- strcat(exts, i->name);
- strcat(exts, " ");
- }
- }
- if (extra_extensions != 0) {
- strcat(exts, extra_extensions);
- free(extra_extensions);
- }
-
- return (GLubyte *) exts;
-}
-
-/**
- * Return number of enabled extensions.
- */
-GLuint
-_mesa_get_extension_count(struct gl_context *ctx)
-{
- GLboolean *base;
- const struct extension *i;
-
- /* only count once */
- if (ctx->Extensions.Count != 0)
- return ctx->Extensions.Count;
-
- base = (GLboolean *) &ctx->Extensions;
- for (i = extension_table; i->name != 0; ++i) {
- if (base[i->offset]) {
- ctx->Extensions.Count++;
- }
- }
- return ctx->Extensions.Count;
-}
-
-/**
- * Return name of i-th enabled extension
- */
-const GLubyte *
-_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
-{
- const GLboolean *base;
- size_t n;
- const struct extension *i;
-
- if (index < 0)
- return NULL;
-
- base = (GLboolean*) &ctx->Extensions;
- n = 0;
- for (i = extension_table; i->name != 0; ++i) {
- if (n == index && base[i->offset]) {
- return (GLubyte*) i->name;
- } else if (base[i->offset]) {
- ++n;
- }
- }
-
- return NULL;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.6
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file
+ * \brief Extension handling
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "extensions.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+
+enum {
+ DISABLE = 0,
+ GL = 1 << API_OPENGL,
+ ES1 = 1 << API_OPENGLES,
+ ES2 = 1 << API_OPENGLES2,
+};
+
+/**
+ * \brief An element of the \c extension_table.
+ */
+struct extension {
+ /** Name of extension, such as "GL_ARB_depth_clamp". */
+ const char *name;
+
+ /** Offset (in bytes) of the corresponding member in struct gl_extensions. */
+ size_t offset;
+
+ /** Set of API's in which the extension exists, as a bitset. */
+ uint8_t api_set;
+};
+
+
+/**
+ * Given a member \c x of struct gl_extensions, return offset of
+ * \c x in bytes.
+ */
+#define o(x) offsetof(struct gl_extensions, x)
+
+
+/**
+ * \brief Table of supported OpenGL extensions for all API's.
+ *
+ * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions.
+ */
+static const struct extension extension_table[] = {
+ /* ARB Extensions */
+ { "GL_ARB_ES2_compatibility", o(ARB_ES2_compatibility), GL },
+ { "GL_ARB_blend_func_extended", o(ARB_blend_func_extended), GL },
+ { "GL_ARB_copy_buffer", o(ARB_copy_buffer), GL },
+ { "GL_ARB_depth_buffer_float", o(ARB_depth_buffer_float), GL },
+ { "GL_ARB_depth_clamp", o(ARB_depth_clamp), GL },
+ { "GL_ARB_depth_texture", o(ARB_depth_texture), GL },
+ { "GL_ARB_draw_buffers", o(ARB_draw_buffers), GL },
+ { "GL_ARB_draw_buffers_blend", o(ARB_draw_buffers_blend), GL },
+ { "GL_ARB_draw_elements_base_vertex", o(ARB_draw_elements_base_vertex), GL },
+ { "GL_ARB_draw_instanced", o(ARB_draw_instanced), GL },
+ { "GL_ARB_explicit_attrib_location", o(ARB_explicit_attrib_location), GL },
+ { "GL_ARB_fragment_coord_conventions", o(ARB_fragment_coord_conventions), GL },
+ { "GL_ARB_fragment_program", o(ARB_fragment_program), GL },
+ { "GL_ARB_fragment_program_shadow", o(ARB_fragment_program_shadow), GL },
+ { "GL_ARB_fragment_shader", o(ARB_fragment_shader), GL },
+ { "GL_ARB_framebuffer_object", o(ARB_framebuffer_object), GL },
+ { "GL_ARB_framebuffer_sRGB", o(EXT_framebuffer_sRGB), GL },
+ { "GL_ARB_half_float_pixel", o(ARB_half_float_pixel), GL },
+ { "GL_ARB_half_float_vertex", o(ARB_half_float_vertex), GL },
+ { "GL_ARB_instanced_arrays", o(ARB_instanced_arrays), GL },
+ { "GL_ARB_map_buffer_range", o(ARB_map_buffer_range), GL },
+ { "GL_ARB_multisample", o(ARB_multisample), GL },
+ { "GL_ARB_multitexture", o(ARB_multitexture), GL },
+ { "GL_ARB_occlusion_query2", o(ARB_occlusion_query2), GL },
+ { "GL_ARB_occlusion_query", o(ARB_occlusion_query), GL },
+ { "GL_ARB_pixel_buffer_object", o(EXT_pixel_buffer_object), GL },
+ { "GL_ARB_point_parameters", o(EXT_point_parameters), GL },
+ { "GL_ARB_point_sprite", o(ARB_point_sprite), GL },
+ { "GL_ARB_provoking_vertex", o(EXT_provoking_vertex), GL },
+ { "GL_ARB_sampler_objects", o(ARB_sampler_objects), GL },
+ { "GL_ARB_seamless_cube_map", o(ARB_seamless_cube_map), GL },
+ { "GL_ARB_shader_objects", o(ARB_shader_objects), GL },
+ { "GL_ARB_shader_stencil_export", o(ARB_shader_stencil_export), GL },
+ { "GL_ARB_shading_language_100", o(ARB_shading_language_100), GL },
+ { "GL_ARB_shadow_ambient", o(ARB_shadow_ambient), GL },
+ { "GL_ARB_shadow", o(ARB_shadow), GL },
+ { "GL_ARB_sync", o(ARB_sync), GL },
+ { "GL_ARB_texture_border_clamp", o(ARB_texture_border_clamp), GL },
+ { "GL_ARB_texture_buffer_object", o(ARB_texture_buffer_object), GL },
+ { "GL_ARB_texture_compression", o(ARB_texture_compression), GL },
+ { "GL_ARB_texture_compression_rgtc", o(ARB_texture_compression_rgtc), GL },
+ { "GL_ARB_texture_cube_map", o(ARB_texture_cube_map), GL },
+ { "GL_ARB_texture_env_add", o(EXT_texture_env_add), GL },
+ { "GL_ARB_texture_env_combine", o(ARB_texture_env_combine), GL },
+ { "GL_ARB_texture_env_crossbar", o(ARB_texture_env_crossbar), GL },
+ { "GL_ARB_texture_env_dot3", o(ARB_texture_env_dot3), GL },
+ { "GL_ARB_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), GL },
+ { "GL_ARB_texture_multisample", o(ARB_texture_multisample), GL },
+ { "GL_ARB_texture_non_power_of_two", o(ARB_texture_non_power_of_two), GL },
+ { "GL_ARB_texture_rectangle", o(NV_texture_rectangle), GL },
+ { "GL_ARB_texture_rgb10_a2ui", o(ARB_texture_rgb10_a2ui), GL },
+ { "GL_ARB_texture_rg", o(ARB_texture_rg), GL },
+ { "GL_ARB_texture_swizzle", o(EXT_texture_swizzle), GL },
+ { "GL_ARB_transform_feedback2", o(ARB_transform_feedback2), GL },
+ { "GL_ARB_transpose_matrix", o(ARB_transpose_matrix), GL },
+ { "GL_ARB_uniform_buffer_object", o(ARB_uniform_buffer_object), GL },
+ { "GL_ARB_vertex_array_bgra", o(EXT_vertex_array_bgra), GL },
+ { "GL_ARB_vertex_array_object", o(ARB_vertex_array_object), GL },
+ { "GL_ARB_vertex_buffer_object", o(ARB_vertex_buffer_object), GL },
+ { "GL_ARB_vertex_program", o(ARB_vertex_program), GL },
+ { "GL_ARB_vertex_shader", o(ARB_vertex_shader), GL },
+ { "GL_ARB_vertex_type_2_10_10_10_rev", o(ARB_vertex_type_2_10_10_10_rev), GL },
+ { "GL_ARB_window_pos", o(ARB_window_pos), GL },
+
+ /* EXT extensions */
+ { "GL_EXT_abgr", o(EXT_abgr), GL },
+ { "GL_EXT_bgra", o(EXT_bgra), GL },
+ { "GL_EXT_blend_color", o(EXT_blend_color), GL },
+ { "GL_EXT_blend_equation_separate", o(EXT_blend_equation_separate), GL },
+ { "GL_EXT_blend_func_separate", o(EXT_blend_func_separate), GL },
+ { "GL_EXT_blend_logic_op", o(EXT_blend_logic_op), GL },
+ { "GL_EXT_blend_minmax", o(EXT_blend_minmax), GL | ES1 | ES2 },
+ { "GL_EXT_blend_subtract", o(EXT_blend_subtract), GL },
+ { "GL_EXT_clip_volume_hint", o(EXT_clip_volume_hint), GL },
+ { "GL_EXT_compiled_vertex_array", o(EXT_compiled_vertex_array), GL },
+ { "GL_EXT_copy_texture", o(EXT_copy_texture), GL },
+ { "GL_EXT_depth_bounds_test", o(EXT_depth_bounds_test), GL },
+ { "GL_EXT_draw_buffers2", o(EXT_draw_buffers2), GL },
+ { "GL_EXT_draw_instanced", o(ARB_draw_instanced), GL },
+ { "GL_EXT_draw_range_elements", o(EXT_draw_range_elements), GL },
+ { "GL_EXT_fog_coord", o(EXT_fog_coord), GL },
+ { "GL_EXT_framebuffer_blit", o(EXT_framebuffer_blit), GL },
+ { "GL_EXT_framebuffer_multisample", o(EXT_framebuffer_multisample), GL },
+ { "GL_EXT_framebuffer_object", o(EXT_framebuffer_object), GL },
+ { "GL_EXT_framebuffer_sRGB", o(EXT_framebuffer_sRGB), GL },
+ { "GL_EXT_gpu_program_parameters", o(EXT_gpu_program_parameters), GL },
+ { "GL_EXT_gpu_shader4", o(EXT_gpu_shader4), GL },
+ { "GL_EXT_multi_draw_arrays", o(EXT_multi_draw_arrays), GL | ES1 | ES2 },
+ { "GL_EXT_packed_depth_stencil", o(EXT_packed_depth_stencil), GL },
+ { "GL_EXT_packed_float", o(EXT_packed_float), GL },
+ { "GL_EXT_packed_pixels", o(EXT_packed_pixels), GL },
+ { "GL_EXT_paletted_texture", o(EXT_paletted_texture), GL },
+ { "GL_EXT_pixel_buffer_object", o(EXT_pixel_buffer_object), GL },
+ { "GL_EXT_point_parameters", o(EXT_point_parameters), GL },
+ { "GL_EXT_polygon_offset", o(EXT_polygon_offset), GL },
+ { "GL_EXT_provoking_vertex", o(EXT_provoking_vertex), GL },
+ { "GL_EXT_rescale_normal", o(EXT_rescale_normal), GL },
+ { "GL_EXT_secondary_color", o(EXT_secondary_color), GL },
+ { "GL_EXT_separate_shader_objects", o(EXT_separate_shader_objects), GL },
+ { "GL_EXT_separate_specular_color", o(EXT_separate_specular_color), GL },
+ { "GL_EXT_shadow_funcs", o(EXT_shadow_funcs), GL },
+ { "GL_EXT_shared_texture_palette", o(EXT_shared_texture_palette), GL },
+ { "GL_EXT_stencil_two_side", o(EXT_stencil_two_side), GL },
+ { "GL_EXT_stencil_wrap", o(EXT_stencil_wrap), GL },
+ { "GL_EXT_subtexture", o(EXT_subtexture), GL },
+ { "GL_EXT_texture3D", o(EXT_texture3D), GL },
+ { "GL_EXT_texture_array", o(EXT_texture_array), GL },
+ { "GL_EXT_texture_compression_dxt1", o(EXT_texture_compression_s3tc), GL | ES1 | ES2 },
+ { "GL_EXT_texture_compression_rgtc", o(ARB_texture_compression_rgtc), GL },
+ { "GL_EXT_texture_compression_s3tc", o(EXT_texture_compression_s3tc), GL },
+ { "GL_EXT_texture_cube_map", o(ARB_texture_cube_map), GL },
+ { "GL_EXT_texture_edge_clamp", o(SGIS_texture_edge_clamp), GL },
+ { "GL_EXT_texture_env_add", o(EXT_texture_env_add), GL },
+ { "GL_EXT_texture_env_combine", o(EXT_texture_env_combine), GL },
+ { "GL_EXT_texture_env_dot3", o(EXT_texture_env_dot3), GL },
+ { "GL_EXT_texture_filter_anisotropic", o(EXT_texture_filter_anisotropic), GL | ES1 | ES2 },
+ { "GL_EXT_texture_format_BGRA8888", o(EXT_texture_format_BGRA8888), ES1 | ES2 },
+ { "GL_EXT_texture_integer", o(EXT_texture_integer), GL },
+ { "GL_EXT_texture_lod_bias", o(EXT_texture_lod_bias), GL | ES1 },
+ { "GL_EXT_texture_mirror_clamp", o(EXT_texture_mirror_clamp), GL },
+ { "GL_EXT_texture_object", o(EXT_texture_object), GL },
+ { "GL_EXT_texture", o(EXT_texture), GL },
+ { "GL_EXT_texture_rectangle", o(NV_texture_rectangle), GL },
+ { "GL_EXT_texture_shared_exponent", o(EXT_texture_shared_exponent), GL },
+ { "GL_EXT_texture_sRGB", o(EXT_texture_sRGB), GL },
+ { "GL_EXT_texture_sRGB_decode", o(EXT_texture_sRGB_decode), GL },
+ { "GL_EXT_texture_swizzle", o(EXT_texture_swizzle), GL },
+ { "GL_EXT_texture_type_2_10_10_10_REV", o(dummy_true), ES2 },
+ { "GL_EXT_timer_query", o(EXT_timer_query), GL },
+ { "GL_EXT_transform_feedback", o(EXT_transform_feedback), GL },
+ { "GL_EXT_vertex_array_bgra", o(EXT_vertex_array_bgra), GL },
+ { "GL_EXT_vertex_array", o(EXT_vertex_array), GL },
+ { "GL_EXT_vertex_array_set", o(EXT_vertex_array_set), GL },
+
+ /* OES extensions */
+ { "GL_OES_blend_equation_separate", o(EXT_blend_equation_separate), ES1 },
+ { "GL_OES_blend_func_separate", o(EXT_blend_func_separate), ES1 },
+ { "GL_OES_blend_subtract", o(EXT_blend_subtract), ES1 },
+ { "GL_OES_byte_coordinates", o(dummy_true), ES1 },
+ { "GL_OES_compressed_paletted_texture", o(dummy_false), DISABLE },
+ { "GL_OES_depth24", o(EXT_framebuffer_object), ES1 | ES2 },
+ { "GL_OES_depth32", o(dummy_false), DISABLE },
+ { "GL_OES_depth_texture", o(ARB_depth_texture), ES2 },
+#if FEATURE_OES_draw_texture
+ { "GL_OES_draw_texture", o(OES_draw_texture), ES1 | ES2 },
+#endif
+#if FEATURE_OES_EGL_image
+ /* FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
+ { "GL_OES_EGL_image", o(OES_EGL_image), GL | ES1 | ES2 },
+#endif
+ { "GL_OES_element_index_uint", o(EXT_vertex_array), ES1 | ES2 },
+ { "GL_OES_fbo_render_mipmap", o(EXT_framebuffer_object), ES1 | ES2 },
+ { "GL_OES_fixed_point", o(dummy_true), ES1 },
+ { "GL_OES_framebuffer_object", o(EXT_framebuffer_object), ES1 },
+ { "GL_OES_mapbuffer", o(ARB_vertex_buffer_object), ES1 | ES2 },
+ { "GL_OES_matrix_get", o(dummy_true), ES1 },
+ { "GL_OES_packed_depth_stencil", o(EXT_packed_depth_stencil), ES1 | ES2 },
+ { "GL_OES_point_size_array", o(dummy_true), ES1 },
+ { "GL_OES_point_sprite", o(ARB_point_sprite), ES1 },
+ { "GL_OES_query_matrix", o(dummy_true), ES1 },
+ { "GL_OES_read_format", o(OES_read_format), GL | ES1 },
+ { "GL_OES_rgb8_rgba8", o(EXT_framebuffer_object), ES1 | ES2 },
+ { "GL_OES_single_precision", o(dummy_true), ES1 },
+ { "GL_OES_standard_derivatives", o(OES_standard_derivatives), ES2 },
+ { "GL_OES_stencil1", o(dummy_false), DISABLE },
+ { "GL_OES_stencil4", o(dummy_false), DISABLE },
+ { "GL_OES_stencil8", o(EXT_framebuffer_object), ES1 | ES2 },
+ { "GL_OES_stencil_wrap", o(EXT_stencil_wrap), ES1 },
+ /* GL_OES_texture_3D is disabled due to missing GLSL support. */
+ { "GL_OES_texture_3D", o(EXT_texture3D), DISABLE },
+ { "GL_OES_texture_cube_map", o(ARB_texture_cube_map), ES1 },
+ { "GL_OES_texture_env_crossbar", o(ARB_texture_env_crossbar), ES1 },
+ { "GL_OES_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), ES1 },
+ { "GL_OES_texture_npot", o(ARB_texture_non_power_of_two), ES2 },
+
+ /* Vendor extensions */
+ { "GL_3DFX_texture_compression_FXT1", o(TDFX_texture_compression_FXT1), GL },
+ { "GL_AMD_conservative_depth", o(AMD_conservative_depth), GL },
+ { "GL_APPLE_client_storage", o(APPLE_client_storage), GL },
+ { "GL_APPLE_object_purgeable", o(APPLE_object_purgeable), GL },
+ { "GL_APPLE_packed_pixels", o(APPLE_packed_pixels), GL },
+ { "GL_APPLE_vertex_array_object", o(APPLE_vertex_array_object), GL },
+ { "GL_ATI_blend_equation_separate", o(EXT_blend_equation_separate), GL },
+ { "GL_ATI_envmap_bumpmap", o(ATI_envmap_bumpmap), GL },
+ { "GL_ATI_fragment_shader", o(ATI_fragment_shader), GL },
+ { "GL_ATI_separate_stencil", o(ATI_separate_stencil), GL },
+ { "GL_ATI_texture_env_combine3", o(ATI_texture_env_combine3), GL },
+ { "GL_ATI_texture_mirror_once", o(ATI_texture_mirror_once), GL },
+ { "GL_IBM_multimode_draw_arrays", o(IBM_multimode_draw_arrays), GL },
+ { "GL_IBM_rasterpos_clip", o(IBM_rasterpos_clip), GL },
+ { "GL_IBM_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), GL },
+ { "GL_INGR_blend_func_separate", o(EXT_blend_func_separate), GL },
+ { "GL_MESA_pack_invert", o(MESA_pack_invert), GL },
+ { "GL_MESA_resize_buffers", o(MESA_resize_buffers), GL },
+ { "GL_MESA_texture_array", o(MESA_texture_array), GL },
+ { "GL_MESA_texture_signed_rgba", o(MESA_texture_signed_rgba), GL },
+ { "GL_MESA_window_pos", o(ARB_window_pos), GL },
+ { "GL_MESAX_texture_float", o(ARB_texture_float), GL },
+ { "GL_MESA_ycbcr_texture", o(MESA_ycbcr_texture), GL },
+ { "GL_NV_blend_square", o(NV_blend_square), GL },
+ { "GL_NV_conditional_render", o(NV_conditional_render), GL },
+ { "GL_NV_depth_clamp", o(ARB_depth_clamp), GL },
+ { "GL_NV_fragment_program", o(NV_fragment_program), GL },
+ { "GL_NV_fragment_program_option", o(NV_fragment_program_option), GL },
+ { "GL_NV_light_max_exponent", o(NV_light_max_exponent), GL },
+ { "GL_NV_packed_depth_stencil", o(EXT_packed_depth_stencil), GL },
+ { "GL_NV_point_sprite", o(NV_point_sprite), GL },
+ { "GL_NV_primitive_restart", o(NV_primitive_restart), GL },
+ { "GL_NV_texgen_reflection", o(NV_texgen_reflection), GL },
+ { "GL_NV_texture_env_combine4", o(NV_texture_env_combine4), GL },
+ { "GL_NV_texture_rectangle", o(NV_texture_rectangle), GL },
+ { "GL_NV_vertex_program1_1", o(NV_vertex_program1_1), GL },
+ { "GL_NV_vertex_program", o(NV_vertex_program), GL },
+ { "GL_S3_s3tc", o(S3_s3tc), GL },
+ { "GL_SGIS_generate_mipmap", o(SGIS_generate_mipmap), GL },
+ { "GL_SGIS_texture_border_clamp", o(ARB_texture_border_clamp), GL },
+ { "GL_SGIS_texture_edge_clamp", o(SGIS_texture_edge_clamp), GL },
+ { "GL_SGIS_texture_lod", o(SGIS_texture_lod), GL },
+ { "GL_SGI_texture_color_table", o(SGI_texture_color_table), GL },
+ { "GL_SUN_multi_draw_arrays", o(EXT_multi_draw_arrays), GL },
+
+ { 0, 0, 0 },
+};
+
+
+/**
+ * Given an extension name, lookup up the corresponding member of struct
+ * gl_extensions and return that member's offset (in bytes). If the name is
+ * not found in the \c extension_table, return 0.
+ *
+ * \param name Name of extension.
+ * \return Offset of member in struct gl_extensions.
+ */
+static size_t
+name_to_offset(const char* name)
+{
+ const struct extension *i;
+
+ if (name == 0)
+ return 0;
+
+ for (i = extension_table; i->name != 0; ++i) {
+ if (strcmp(name, i->name) == 0)
+ return i->offset;
+ }
+
+ return 0;
+}
+
+
+/**
+ * \brief Extensions enabled by default.
+ *
+ * These extensions are enabled by _mesa_init_extensions().
+ *
+ * XXX: Should these defaults also apply to GLES?
+ */
+static const size_t default_extensions[] = {
+ o(ARB_copy_buffer),
+ o(ARB_draw_buffers),
+ o(ARB_multisample),
+ o(ARB_texture_compression),
+ o(ARB_transpose_matrix),
+ o(ARB_vertex_buffer_object),
+ o(ARB_window_pos),
+
+ o(EXT_abgr),
+ o(EXT_bgra),
+ o(EXT_compiled_vertex_array),
+ o(EXT_copy_texture),
+ o(EXT_draw_range_elements),
+ o(EXT_multi_draw_arrays),
+ o(EXT_packed_pixels),
+ o(EXT_polygon_offset),
+ o(EXT_rescale_normal),
+ o(EXT_separate_specular_color),
+ o(EXT_subtexture),
+ o(EXT_texture),
+ o(EXT_texture3D),
+ o(EXT_texture_object),
+ o(EXT_vertex_array),
+
+ o(OES_read_format),
+ o(OES_standard_derivatives),
+
+ /* Vendor Extensions */
+ o(APPLE_packed_pixels),
+ o(IBM_multimode_draw_arrays),
+ o(IBM_rasterpos_clip),
+ o(NV_light_max_exponent),
+ o(NV_texgen_reflection),
+ o(SGIS_generate_mipmap),
+ o(SGIS_texture_edge_clamp),
+ o(SGIS_texture_lod),
+
+ 0,
+};
+
+
+/**
+ * Enable all extensions suitable for a software-only renderer.
+ * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc.
+ */
+void
+_mesa_enable_sw_extensions(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
+ ctx->Extensions.ARB_depth_clamp = GL_TRUE;
+ ctx->Extensions.ARB_depth_texture = GL_TRUE;
+ /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
+ ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
+ ctx->Extensions.ARB_draw_instanced = GL_TRUE;
+ ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
+ ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
+#if FEATURE_ARB_fragment_program
+ ctx->Extensions.ARB_fragment_program = GL_TRUE;
+ ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
+#endif
+#if FEATURE_ARB_fragment_shader
+ ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+#endif
+#if FEATURE_ARB_framebuffer_object
+ ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
+#endif
+#if FEATURE_ARB_geometry_shader4 && 0
+ /* XXX re-enable when GLSL compiler again supports geometry shaders */
+ ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
+ ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
+ ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
+ ctx->Extensions.ARB_multitexture = GL_TRUE;
+#if FEATURE_queryobj
+ ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+ ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_point_sprite = GL_TRUE;
+#if FEATURE_ARB_shader_objects
+ ctx->Extensions.ARB_shader_objects = GL_TRUE;
+ ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
+#endif
+#if FEATURE_ARB_shading_language_100
+ ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_shadow = GL_TRUE;
+ ctx->Extensions.ARB_shadow_ambient = GL_TRUE;
+ ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
+ ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+ /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/
+ ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
+ ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+ ctx->Extensions.ARB_texture_rg = GL_TRUE;
+ ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
+#if FEATURE_ARB_vertex_program
+ ctx->Extensions.ARB_vertex_program = GL_TRUE;
+#endif
+#if FEATURE_ARB_vertex_shader
+ ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+#endif
+#if FEATURE_ARB_vertex_buffer_object
+ /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
+#endif
+#if FEATURE_ARB_sync
+ ctx->Extensions.ARB_sync = GL_TRUE;
+#endif
+ ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
+#if FEATURE_APPLE_object_purgeable
+ ctx->Extensions.APPLE_object_purgeable = GL_TRUE;
+#endif
+ ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
+#if FEATURE_ATI_fragment_shader
+ ctx->Extensions.ATI_fragment_shader = GL_TRUE;
+#endif
+ ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE;
+ ctx->Extensions.ATI_texture_mirror_once = GL_TRUE;
+ ctx->Extensions.ATI_separate_stencil = GL_TRUE;
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+ ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;
+ ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
+ ctx->Extensions.EXT_fog_coord = GL_TRUE;
+#if FEATURE_EXT_framebuffer_object
+ ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_framebuffer_blit
+ ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
+#endif
+#if FEATURE_ARB_framebuffer_object
+ ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
+#endif
+ /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
+ ctx->Extensions.EXT_paletted_texture = GL_TRUE;
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_point_parameters = GL_TRUE;
+ ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
+ ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
+ ctx->Extensions.EXT_secondary_color = GL_TRUE;
+ ctx->Extensions.EXT_shared_texture_palette = GL_TRUE;
+ ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+ ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
+ ctx->Extensions.EXT_texture_array = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_combine = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
+ ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;
+ ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+#if FEATURE_EXT_texture_sRGB
+ ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+ ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
+#if FEATURE_EXT_transform_feedback
+ /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
+#endif
+ ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
+ /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.MESA_pack_invert = GL_TRUE;
+ ctx->Extensions.MESA_resize_buffers = GL_TRUE;
+ ctx->Extensions.MESA_texture_array = GL_TRUE;
+ ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
+ ctx->Extensions.NV_blend_square = GL_TRUE;
+ ctx->Extensions.NV_conditional_render = GL_TRUE;
+ /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
+ ctx->Extensions.NV_point_sprite = GL_TRUE;
+ ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
+ ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+ /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
+#if FEATURE_NV_vertex_program
+ ctx->Extensions.NV_vertex_program = GL_TRUE;
+ ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;
+#endif
+#if FEATURE_NV_fragment_program
+ ctx->Extensions.NV_fragment_program = GL_TRUE;
+#endif
+#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
+ ctx->Extensions.NV_fragment_program_option = GL_TRUE;
+#endif
+ ctx->Extensions.SGI_texture_color_table = GL_TRUE;
+ /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
+ ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE;
+#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
+ ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
+#endif
+#if FEATURE_texture_fxt1
+ _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
+#endif
+#if FEATURE_texture_s3tc
+ if (ctx->Mesa_DXTn) {
+ _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
+ _mesa_enable_extension(ctx, "GL_S3_s3tc");
+ }
+#endif
+}
+
+
+/**
+ * Enable common EXT extensions in the ARB_imaging subset.
+ */
+void
+_mesa_enable_imaging_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+}
+
+
+
+/**
+ * Enable all OpenGL 1.3 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_3_extensions(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_multisample = GL_TRUE;*/
+ ctx->Extensions.ARB_multitexture = GL_TRUE;
+ ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
+ /*ctx->Extensions.ARB_texture_compression = GL_TRUE;*/
+ ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+ /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/
+}
+
+
+
+/**
+ * Enable all OpenGL 1.4 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_4_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.ARB_depth_texture = GL_TRUE;
+ ctx->Extensions.ARB_shadow = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
+ ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
+ ctx->Extensions.ARB_window_pos = GL_TRUE;
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+ ctx->Extensions.EXT_fog_coord = GL_TRUE;
+ /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.EXT_point_parameters = GL_TRUE;
+ ctx->Extensions.EXT_secondary_color = GL_TRUE;
+ ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+ ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+ /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
+}
+
+
+/**
+ * Enable all OpenGL 1.5 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_5_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+ /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
+ ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
+}
+
+
+/**
+ * Enable all OpenGL 2.0 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_0_extensions(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
+#if FEATURE_ARB_fragment_shader
+ ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_point_sprite = GL_TRUE;
+ ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+ ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+#if FEATURE_ARB_shader_objects
+ ctx->Extensions.ARB_shader_objects = GL_TRUE;
+#endif
+#if FEATURE_ARB_shading_language_100
+ ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
+#if FEATURE_ARB_vertex_shader
+ ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+#endif
+}
+
+
+/**
+ * Enable all OpenGL 2.1 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_1_extensions(struct gl_context *ctx)
+{
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_texture_sRGB
+ ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+#endif
+}
+
+
+/**
+ * Either enable or disable the named extension.
+ * \return GL_TRUE for success, GL_FALSE if invalid extension name
+ */
+static GLboolean
+set_extension( struct gl_context *ctx, const char *name, GLboolean state )
+{
+ size_t offset;
+
+ if (ctx->Extensions.String) {
+ /* The string was already queried - can't change it now! */
+ _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name);
+ return GL_FALSE;
+ }
+
+ offset = name_to_offset(name);
+ if (offset == 0) {
+ _mesa_problem(ctx, "Trying to enable/disable unknown extension %s",
+ name);
+ return GL_FALSE;
+ } else if (offset == o(dummy_true) && state == GL_FALSE) {
+ _mesa_problem(ctx, "Trying to disable a permanently enabled extension: "
+ "%s", name);
+ return GL_FALSE;
+ } else {
+ GLboolean *base = (GLboolean *) &ctx->Extensions;
+ base[offset] = state;
+ return GL_TRUE;
+ }
+}
+
+
+/**
+ * Enable the named extension.
+ * Typically called by drivers.
+ */
+void
+_mesa_enable_extension( struct gl_context *ctx, const char *name )
+{
+ if (!set_extension(ctx, name, GL_TRUE))
+ _mesa_problem(ctx, "Trying to enable unknown extension: %s", name);
+}
+
+
+/**
+ * Disable the named extension.
+ * XXX is this really needed???
+ */
+void
+_mesa_disable_extension( struct gl_context *ctx, const char *name )
+{
+ if (!set_extension(ctx, name, GL_FALSE))
+ _mesa_problem(ctx, "Trying to disable unknown extension: %s", name);
+}
+
+
+/**
+ * Test if the named extension is enabled in this context.
+ */
+GLboolean
+_mesa_extension_is_enabled( struct gl_context *ctx, const char *name )
+{
+ size_t offset;
+ GLboolean *base;
+
+ if (name == 0)
+ return GL_FALSE;
+
+ offset = name_to_offset(name);
+ if (offset == 0)
+ return GL_FALSE;
+ base = (GLboolean *) &ctx->Extensions;
+ return base[offset];
+}
+
+
+/**
+ * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable.
+ *
+ * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to
+ * enable or disable. The list is processed thus:
+ * - Enable recognized extension names that are prefixed with '+'.
+ * - Disable recognized extension names that are prefixed with '-'.
+ * - Enable recognized extension names that are not prefixed.
+ * - Collect unrecognized extension names in a new string.
+ *
+ * \return Space-separated list of unrecognized extension names (which must
+ * be freed). Does not return \c NULL.
+ */
+static char *
+get_extension_override( struct gl_context *ctx )
+{
+ const char *env_const= _mesa_getenv("MESA_EXTENSION_OVERRIDE");
+ char *env;
+ char *ext;
+ char *extra_exts;
+ int len;
+
+ if (env_const == NULL) {
+ /* Return the empty string rather than NULL. This simplifies the logic
+ * of client functions. */
+ return calloc(1, sizeof(char));
+ }
+
+ /* extra_exts: List of unrecognized extensions. */
+ extra_exts = calloc(strlen(env_const), sizeof(char));
+
+ /* Copy env_const because strtok() is destructive. */
+ env = strdup(env_const);
+ for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) {
+ int enable;
+ int recognized;
+ switch (ext[0]) {
+ case '+':
+ enable = 1;
+ ++ext;
+ break;
+ case '-':
+ enable = 0;
+ ++ext;
+ break;
+ default:
+ enable = 1;
+ break;
+ }
+ recognized = set_extension(ctx, ext, enable);
+ if (!recognized) {
+ strcat(extra_exts, ext);
+ strcat(extra_exts, " ");
+ }
+ }
+
+ /* Remove trailing space. */
+ len = strlen(extra_exts);
+ if (extra_exts[len - 1] == ' ')
+ extra_exts[len - 1] = '\0';
+
+ return extra_exts;
+}
+
+
+/**
+ * \brief Initialize extension tables and enable default extensions.
+ *
+ * This should be called during context initialization.
+ * Note: Sets gl_extensions.dummy_true to true.
+ */
+void
+_mesa_init_extensions( struct gl_context *ctx )
+{
+ GLboolean *base = (GLboolean *) &ctx->Extensions;
+ GLboolean *sentinel = base + o(extension_sentinel);
+ GLboolean *i;
+ const size_t *j;
+
+ /* First, turn all extensions off. */
+ for (i = base; i != sentinel; ++i)
+ *i = GL_FALSE;
+
+ /* Then, selectively turn default extensions on. */
+ ctx->Extensions.dummy_true = GL_TRUE;
+ for (j = default_extensions; *j != 0; ++j)
+ base[*j] = GL_TRUE;
+}
+
+
+/**
+ * Construct the GL_EXTENSIONS string. Called the first time that
+ * glGetString(GL_EXTENSIONS) is called.
+ */
+GLubyte*
+_mesa_make_extension_string(struct gl_context *ctx)
+{
+ /* The extension string. */
+ char *exts = 0;
+ /* Length of extension string. */
+ size_t length = 0;
+ /* String of extra extensions. */
+ char *extra_extensions = get_extension_override(ctx);
+ GLboolean *base = (GLboolean *) &ctx->Extensions;
+ const struct extension *i;
+
+ /* Compute length of the extension string. */
+ for (i = extension_table; i->name != 0; ++i) {
+ if (base[i->offset] && (i->api_set & (1 << ctx->API))) {
+ length += strlen(i->name) + 1; /* +1 for space */
+ }
+ }
+ if (extra_extensions != NULL)
+ length += 1 + strlen(extra_extensions); /* +1 for space */
+
+ exts = (char *) calloc(length + 1, sizeof(char));
+ if (exts == NULL) {
+ free(extra_extensions);
+ return NULL;
+ }
+
+ /* Build the extension string.*/
+ for (i = extension_table; i->name != 0; ++i) {
+ if (base[i->offset] && (i->api_set & (1 << ctx->API))) {
+ strcat(exts, i->name);
+ strcat(exts, " ");
+ }
+ }
+ if (extra_extensions != 0) {
+ strcat(exts, extra_extensions);
+ free(extra_extensions);
+ }
+
+ return (GLubyte *) exts;
+}
+
+/**
+ * Return number of enabled extensions.
+ */
+GLuint
+_mesa_get_extension_count(struct gl_context *ctx)
+{
+ GLboolean *base;
+ const struct extension *i;
+
+ /* only count once */
+ if (ctx->Extensions.Count != 0)
+ return ctx->Extensions.Count;
+
+ base = (GLboolean *) &ctx->Extensions;
+ for (i = extension_table; i->name != 0; ++i) {
+ if (base[i->offset]) {
+ ctx->Extensions.Count++;
+ }
+ }
+ return ctx->Extensions.Count;
+}
+
+/**
+ * Return name of i-th enabled extension
+ */
+const GLubyte *
+_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
+{
+ const GLboolean *base;
+ size_t n;
+ const struct extension *i;
+
+ if (index < 0)
+ return NULL;
+
+ base = (GLboolean*) &ctx->Extensions;
+ n = 0;
+ for (i = extension_table; i->name != 0; ++i) {
+ if (n == index && base[i->offset]) {
+ return (GLubyte*) i->name;
+ } else if (base[i->offset]) {
+ ++n;
+ }
+ }
+
+ return NULL;
+}
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index 2fe84754b..f20689b82 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -1,2486 +1,2487 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 1999-2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/*
- * GL_EXT/ARB_framebuffer_object extensions
- *
- * Authors:
- * Brian Paul
- */
-
-
-#include "buffers.h"
-#include "context.h"
-#include "enums.h"
-#include "fbobject.h"
-#include "formats.h"
-#include "framebuffer.h"
-#include "hash.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-#include "renderbuffer.h"
-#include "state.h"
-#include "teximage.h"
-#include "texobj.h"
-
-
-/** Set this to 1 to help debug FBO incompleteness problems */
-#define DEBUG_FBO 0
-
-/** Set this to 1 to debug/log glBlitFramebuffer() calls */
-#define DEBUG_BLIT 0
-
-
-/**
- * Notes:
- *
- * None of the GL_EXT_framebuffer_object functions are compiled into
- * display lists.
- */
-
-
-
-/*
- * When glGenRender/FramebuffersEXT() is called we insert pointers to
- * these placeholder objects into the hash table.
- * Later, when the object ID is first bound, we replace the placeholder
- * with the real frame/renderbuffer.
- */
-static struct gl_framebuffer DummyFramebuffer;
-static struct gl_renderbuffer DummyRenderbuffer;
-
-/* We bind this framebuffer when applications pass a NULL
- * drawable/surface in make current. */
-static struct gl_framebuffer IncompleteFramebuffer;
-
-
-#define IS_CUBE_FACE(TARGET) \
- ((TARGET) >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && \
- (TARGET) <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z)
-
-
-static void
-delete_dummy_renderbuffer(struct gl_renderbuffer *rb)
-{
- /* no op */
-}
-
-static void
-delete_dummy_framebuffer(struct gl_framebuffer *fb)
-{
- /* no op */
-}
-
-
-void
-_mesa_init_fbobjects(struct gl_context *ctx)
-{
- _glthread_INIT_MUTEX(DummyFramebuffer.Mutex);
- _glthread_INIT_MUTEX(DummyRenderbuffer.Mutex);
- _glthread_INIT_MUTEX(IncompleteFramebuffer.Mutex);
- DummyFramebuffer.Delete = delete_dummy_framebuffer;
- DummyRenderbuffer.Delete = delete_dummy_renderbuffer;
- IncompleteFramebuffer.Delete = delete_dummy_framebuffer;
-}
-
-struct gl_framebuffer *
-_mesa_get_incomplete_framebuffer(void)
-{
- return &IncompleteFramebuffer;
-}
-
-/**
- * Helper routine for getting a gl_renderbuffer.
- */
-struct gl_renderbuffer *
-_mesa_lookup_renderbuffer(struct gl_context *ctx, GLuint id)
-{
- struct gl_renderbuffer *rb;
-
- if (id == 0)
- return NULL;
-
- rb = (struct gl_renderbuffer *)
- _mesa_HashLookup(ctx->Shared->RenderBuffers, id);
- return rb;
-}
-
-
-/**
- * Helper routine for getting a gl_framebuffer.
- */
-struct gl_framebuffer *
-_mesa_lookup_framebuffer(struct gl_context *ctx, GLuint id)
-{
- struct gl_framebuffer *fb;
-
- if (id == 0)
- return NULL;
-
- fb = (struct gl_framebuffer *)
- _mesa_HashLookup(ctx->Shared->FrameBuffers, id);
- return fb;
-}
-
-
-/**
- * Mark the given framebuffer as invalid. This will force the
- * test for framebuffer completeness to be done before the framebuffer
- * is used.
- */
-static void
-invalidate_framebuffer(struct gl_framebuffer *fb)
-{
- fb->_Status = 0; /* "indeterminate" */
-}
-
-
-/**
- * Given a GL_*_ATTACHMENTn token, return a pointer to the corresponding
- * gl_renderbuffer_attachment object.
- * This function is only used for user-created FB objects, not the
- * default / window-system FB object.
- * If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
- * the depth buffer attachment point.
- */
-struct gl_renderbuffer_attachment *
-_mesa_get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
- GLenum attachment)
-{
- GLuint i;
-
- assert(fb->Name > 0);
-
- switch (attachment) {
- case GL_COLOR_ATTACHMENT0_EXT:
- case GL_COLOR_ATTACHMENT1_EXT:
- case GL_COLOR_ATTACHMENT2_EXT:
- case GL_COLOR_ATTACHMENT3_EXT:
- case GL_COLOR_ATTACHMENT4_EXT:
- case GL_COLOR_ATTACHMENT5_EXT:
- case GL_COLOR_ATTACHMENT6_EXT:
- case GL_COLOR_ATTACHMENT7_EXT:
- case GL_COLOR_ATTACHMENT8_EXT:
- case GL_COLOR_ATTACHMENT9_EXT:
- case GL_COLOR_ATTACHMENT10_EXT:
- case GL_COLOR_ATTACHMENT11_EXT:
- case GL_COLOR_ATTACHMENT12_EXT:
- case GL_COLOR_ATTACHMENT13_EXT:
- case GL_COLOR_ATTACHMENT14_EXT:
- case GL_COLOR_ATTACHMENT15_EXT:
- i = attachment - GL_COLOR_ATTACHMENT0_EXT;
- if (i >= ctx->Const.MaxColorAttachments) {
- return NULL;
- }
- return &fb->Attachment[BUFFER_COLOR0 + i];
- case GL_DEPTH_STENCIL_ATTACHMENT:
- /* fall-through */
- case GL_DEPTH_BUFFER:
- /* fall-through / new in GL 3.0 */
- case GL_DEPTH_ATTACHMENT_EXT:
- return &fb->Attachment[BUFFER_DEPTH];
- case GL_STENCIL_BUFFER:
- /* fall-through / new in GL 3.0 */
- case GL_STENCIL_ATTACHMENT_EXT:
- return &fb->Attachment[BUFFER_STENCIL];
- default:
- return NULL;
- }
-}
-
-
-/**
- * As above, but only used for getting attachments of the default /
- * window-system framebuffer (not user-created framebuffer objects).
- */
-static struct gl_renderbuffer_attachment *
-_mesa_get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
- GLenum attachment)
-{
- assert(fb->Name == 0);
-
- switch (attachment) {
- case GL_FRONT_LEFT:
- return &fb->Attachment[BUFFER_FRONT_LEFT];
- case GL_FRONT_RIGHT:
- return &fb->Attachment[BUFFER_FRONT_RIGHT];
- case GL_BACK_LEFT:
- return &fb->Attachment[BUFFER_BACK_LEFT];
- case GL_BACK_RIGHT:
- return &fb->Attachment[BUFFER_BACK_RIGHT];
- case GL_AUX0:
- if (fb->Visual.numAuxBuffers == 1) {
- return &fb->Attachment[BUFFER_AUX0];
- }
- return NULL;
- case GL_DEPTH_BUFFER:
- /* fall-through / new in GL 3.0 */
- case GL_DEPTH_ATTACHMENT_EXT:
- return &fb->Attachment[BUFFER_DEPTH];
- case GL_STENCIL_BUFFER:
- /* fall-through / new in GL 3.0 */
- case GL_STENCIL_ATTACHMENT_EXT:
- return &fb->Attachment[BUFFER_STENCIL];
- default:
- return NULL;
- }
-}
-
-
-
-/**
- * Remove any texture or renderbuffer attached to the given attachment
- * point. Update reference counts, etc.
- */
-void
-_mesa_remove_attachment(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att)
-{
- if (att->Type == GL_TEXTURE) {
- ASSERT(att->Texture);
- if (ctx->Driver.FinishRenderTexture) {
- /* tell driver that we're done rendering to this texture. */
- ctx->Driver.FinishRenderTexture(ctx, att);
- }
- _mesa_reference_texobj(&att->Texture, NULL); /* unbind */
- ASSERT(!att->Texture);
- }
- if (att->Type == GL_TEXTURE || att->Type == GL_RENDERBUFFER_EXT) {
- ASSERT(!att->Texture);
- _mesa_reference_renderbuffer(&att->Renderbuffer, NULL); /* unbind */
- ASSERT(!att->Renderbuffer);
- }
- att->Type = GL_NONE;
- att->Complete = GL_TRUE;
-}
-
-
-/**
- * Bind a texture object to an attachment point.
- * The previous binding, if any, will be removed first.
- */
-void
-_mesa_set_texture_attachment(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- struct gl_renderbuffer_attachment *att,
- struct gl_texture_object *texObj,
- GLenum texTarget, GLuint level, GLuint zoffset)
-{
- if (att->Texture == texObj) {
- /* re-attaching same texture */
- ASSERT(att->Type == GL_TEXTURE);
- if (ctx->Driver.FinishRenderTexture)
- ctx->Driver.FinishRenderTexture(ctx, att);
- }
- else {
- /* new attachment */
- if (ctx->Driver.FinishRenderTexture && att->Texture)
- ctx->Driver.FinishRenderTexture(ctx, att);
- _mesa_remove_attachment(ctx, att);
- att->Type = GL_TEXTURE;
- assert(!att->Texture);
- _mesa_reference_texobj(&att->Texture, texObj);
- }
-
- /* always update these fields */
- att->TextureLevel = level;
- att->CubeMapFace = _mesa_tex_target_to_face(texTarget);
- att->Zoffset = zoffset;
- att->Complete = GL_FALSE;
-
- if (att->Texture->Image[att->CubeMapFace][att->TextureLevel]) {
- ctx->Driver.RenderTexture(ctx, fb, att);
- }
-
- invalidate_framebuffer(fb);
-}
-
-
-/**
- * Bind a renderbuffer to an attachment point.
- * The previous binding, if any, will be removed first.
- */
-void
-_mesa_set_renderbuffer_attachment(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att,
- struct gl_renderbuffer *rb)
-{
- /* XXX check if re-doing same attachment, exit early */
- _mesa_remove_attachment(ctx, att);
- att->Type = GL_RENDERBUFFER_EXT;
- att->Texture = NULL; /* just to be safe */
- att->Complete = GL_FALSE;
- _mesa_reference_renderbuffer(&att->Renderbuffer, rb);
-}
-
-
-/**
- * Fallback for ctx->Driver.FramebufferRenderbuffer()
- * Attach a renderbuffer object to a framebuffer object.
- */
-void
-_mesa_framebuffer_renderbuffer(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- GLenum attachment, struct gl_renderbuffer *rb)
-{
- struct gl_renderbuffer_attachment *att;
-
- _glthread_LOCK_MUTEX(fb->Mutex);
-
- att = _mesa_get_attachment(ctx, fb, attachment);
- ASSERT(att);
- if (rb) {
- _mesa_set_renderbuffer_attachment(ctx, att, rb);
- if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
- /* do stencil attachment here (depth already done above) */
- att = _mesa_get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
- assert(att);
- _mesa_set_renderbuffer_attachment(ctx, att, rb);
- }
- }
- else {
- _mesa_remove_attachment(ctx, att);
- }
-
- invalidate_framebuffer(fb);
-
- _glthread_UNLOCK_MUTEX(fb->Mutex);
-}
-
-
-/**
- * Fallback for ctx->Driver.ValidateFramebuffer()
- * Check if the renderbuffer's formats are supported by the software
- * renderer.
- * Drivers should probably override this.
- */
-void
-_mesa_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
-{
- gl_buffer_index buf;
- for (buf = 0; buf < BUFFER_COUNT; buf++) {
- const struct gl_renderbuffer *rb = fb->Attachment[buf].Renderbuffer;
- if (rb) {
- switch (rb->_BaseFormat) {
- case GL_ALPHA:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE:
- case GL_INTENSITY:
- case GL_RED:
- case GL_RG:
- fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
- return;
- default:
- /* render buffer format is supported by software rendering */
- ;
- }
- }
- }
-}
-
-
-/**
- * For debug only.
- */
-static void
-att_incomplete(const char *msg)
-{
-#if DEBUG_FBO
- _mesa_debug(NULL, "attachment incomplete: %s\n", msg);
-#else
- (void) msg;
-#endif
-}
-
-
-/**
- * For debug only.
- */
-static void
-fbo_incomplete(const char *msg, int index)
-{
-#if DEBUG_FBO
- _mesa_debug(NULL, "FBO Incomplete: %s [%d]\n", msg, index);
-#else
- (void) msg;
- (void) index;
-#endif
-}
-
-
-/**
- * Is the given base format a legal format for a color renderbuffer?
- */
-GLboolean
-_mesa_is_legal_color_format(const struct gl_context *ctx, GLenum baseFormat)
-{
- switch (baseFormat) {
- case GL_RGB:
- case GL_RGBA:
- return GL_TRUE;
- case GL_LUMINANCE:
- case GL_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- case GL_ALPHA:
- return ctx->Extensions.ARB_framebuffer_object;
- case GL_RED:
- case GL_RG:
- return ctx->Extensions.ARB_texture_rg;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Is the given base format a legal format for a depth/stencil renderbuffer?
- */
-static GLboolean
-is_legal_depth_format(const struct gl_context *ctx, GLenum baseFormat)
-{
- switch (baseFormat) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_STENCIL_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if an attachment point is complete and update its Complete field.
- * \param format if GL_COLOR, this is a color attachment point,
- * if GL_DEPTH, this is a depth component attachment point,
- * if GL_STENCIL, this is a stencil component attachment point.
- */
-static void
-test_attachment_completeness(const struct gl_context *ctx, GLenum format,
- struct gl_renderbuffer_attachment *att)
-{
- assert(format == GL_COLOR || format == GL_DEPTH || format == GL_STENCIL);
-
- /* assume complete */
- att->Complete = GL_TRUE;
-
- /* Look for reasons why the attachment might be incomplete */
- if (att->Type == GL_TEXTURE) {
- const struct gl_texture_object *texObj = att->Texture;
- struct gl_texture_image *texImage;
- GLenum baseFormat;
-
- if (!texObj) {
- att_incomplete("no texobj");
- att->Complete = GL_FALSE;
- return;
- }
-
- texImage = texObj->Image[att->CubeMapFace][att->TextureLevel];
- if (!texImage) {
- att_incomplete("no teximage");
- att->Complete = GL_FALSE;
- return;
- }
- if (texImage->Width < 1 || texImage->Height < 1) {
- att_incomplete("teximage width/height=0");
- printf("texobj = %u\n", texObj->Name);
- printf("level = %d\n", att->TextureLevel);
- att->Complete = GL_FALSE;
- return;
- }
- if (texObj->Target == GL_TEXTURE_3D && att->Zoffset >= texImage->Depth) {
- att_incomplete("bad z offset");
- att->Complete = GL_FALSE;
- return;
- }
-
- baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
-
- if (format == GL_COLOR) {
- if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
- att_incomplete("bad format");
- att->Complete = GL_FALSE;
- return;
- }
- if (_mesa_is_format_compressed(texImage->TexFormat)) {
- att_incomplete("compressed internalformat");
- att->Complete = GL_FALSE;
- return;
- }
- }
- else if (format == GL_DEPTH) {
- if (baseFormat == GL_DEPTH_COMPONENT) {
- /* OK */
- }
- else if (ctx->Extensions.EXT_packed_depth_stencil &&
- ctx->Extensions.ARB_depth_texture &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* OK */
- }
- else {
- att->Complete = GL_FALSE;
- att_incomplete("bad depth format");
- return;
- }
- }
- else {
- ASSERT(format == GL_STENCIL);
- if (ctx->Extensions.EXT_packed_depth_stencil &&
- ctx->Extensions.ARB_depth_texture &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* OK */
- }
- else {
- /* no such thing as stencil-only textures */
- att_incomplete("illegal stencil texture");
- att->Complete = GL_FALSE;
- return;
- }
- }
- }
- else if (att->Type == GL_RENDERBUFFER_EXT) {
- const GLenum baseFormat =
- _mesa_get_format_base_format(att->Renderbuffer->Format);
-
- ASSERT(att->Renderbuffer);
- if (!att->Renderbuffer->InternalFormat ||
- att->Renderbuffer->Width < 1 ||
- att->Renderbuffer->Height < 1) {
- att_incomplete("0x0 renderbuffer");
- att->Complete = GL_FALSE;
- return;
- }
- if (format == GL_COLOR) {
- if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
- att_incomplete("bad renderbuffer color format");
- att->Complete = GL_FALSE;
- return;
- }
- }
- else if (format == GL_DEPTH) {
- if (baseFormat == GL_DEPTH_COMPONENT) {
- /* OK */
- }
- else if (ctx->Extensions.EXT_packed_depth_stencil &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* OK */
- }
- else {
- att_incomplete("bad renderbuffer depth format");
- att->Complete = GL_FALSE;
- return;
- }
- }
- else {
- assert(format == GL_STENCIL);
- if (baseFormat == GL_STENCIL_INDEX) {
- /* OK */
- }
- else if (ctx->Extensions.EXT_packed_depth_stencil &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* OK */
- }
- else {
- att->Complete = GL_FALSE;
- att_incomplete("bad renderbuffer stencil format");
- return;
- }
- }
- }
- else {
- ASSERT(att->Type == GL_NONE);
- /* complete */
- return;
- }
-}
-
-
-/**
- * Test if the given framebuffer object is complete and update its
- * Status field with the results.
- * Calls the ctx->Driver.ValidateFramebuffer() function to allow the
- * driver to make hardware-specific validation/completeness checks.
- * Also update the framebuffer's Width and Height fields if the
- * framebuffer is complete.
- */
-void
-_mesa_test_framebuffer_completeness(struct gl_context *ctx,
- struct gl_framebuffer *fb)
-{
- GLuint numImages;
- GLenum intFormat = GL_NONE; /* color buffers' internal format */
- GLuint minWidth = ~0, minHeight = ~0, maxWidth = 0, maxHeight = 0;
- GLint numSamples = -1;
- GLint i;
- GLuint j;
-
- assert(fb->Name != 0);
-
- numImages = 0;
- fb->Width = 0;
- fb->Height = 0;
-
- /* Start at -2 to more easily loop over all attachment points.
- * -2: depth buffer
- * -1: stencil buffer
- * >=0: color buffer
- */
- for (i = -2; i < (GLint) ctx->Const.MaxColorAttachments; i++) {
- struct gl_renderbuffer_attachment *att;
- GLenum f;
- gl_format mesaFormat;
-
- /*
- * XXX for ARB_fbo, only check color buffers that are named by
- * GL_READ_BUFFER and GL_DRAW_BUFFERi.
- */
-
- /* check for attachment completeness
- */
- if (i == -2) {
- att = &fb->Attachment[BUFFER_DEPTH];
- test_attachment_completeness(ctx, GL_DEPTH, att);
- if (!att->Complete) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
- fbo_incomplete("depth attachment incomplete", -1);
- return;
- }
- }
- else if (i == -1) {
- att = &fb->Attachment[BUFFER_STENCIL];
- test_attachment_completeness(ctx, GL_STENCIL, att);
- if (!att->Complete) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
- fbo_incomplete("stencil attachment incomplete", -1);
- return;
- }
- }
- else {
- att = &fb->Attachment[BUFFER_COLOR0 + i];
- test_attachment_completeness(ctx, GL_COLOR, att);
- if (!att->Complete) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
- fbo_incomplete("color attachment incomplete", i);
- return;
- }
- }
-
- /* get width, height, format of the renderbuffer/texture
- */
- if (att->Type == GL_TEXTURE) {
- const struct gl_texture_image *texImg
- = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
- minWidth = MIN2(minWidth, texImg->Width);
- maxWidth = MAX2(maxWidth, texImg->Width);
- minHeight = MIN2(minHeight, texImg->Height);
- maxHeight = MAX2(maxHeight, texImg->Height);
- f = texImg->_BaseFormat;
- mesaFormat = texImg->TexFormat;
- numImages++;
- if (!_mesa_is_legal_color_format(ctx, f) &&
- !is_legal_depth_format(ctx, f)) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
- fbo_incomplete("texture attachment incomplete", -1);
- return;
- }
- }
- else if (att->Type == GL_RENDERBUFFER_EXT) {
- minWidth = MIN2(minWidth, att->Renderbuffer->Width);
- maxWidth = MAX2(minWidth, att->Renderbuffer->Width);
- minHeight = MIN2(minHeight, att->Renderbuffer->Height);
- maxHeight = MAX2(minHeight, att->Renderbuffer->Height);
- f = att->Renderbuffer->InternalFormat;
- mesaFormat = att->Renderbuffer->Format;
- numImages++;
- }
- else {
- assert(att->Type == GL_NONE);
- continue;
- }
-
- if (numSamples < 0) {
- /* first buffer */
- numSamples = att->Renderbuffer->NumSamples;
- }
-
- /* check if integer color */
- fb->_IntegerColor = _mesa_is_format_integer_color(mesaFormat);
-
- /* Error-check width, height, format, samples
- */
- if (numImages == 1) {
- /* save format, num samples */
- if (i >= 0) {
- intFormat = f;
- }
- }
- else {
- if (!ctx->Extensions.ARB_framebuffer_object) {
- /* check that width, height, format are same */
- if (minWidth != maxWidth || minHeight != maxHeight) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT;
- fbo_incomplete("width or height mismatch", -1);
- return;
- }
- /* check that all color buffer have same format */
- if (intFormat != GL_NONE && f != intFormat) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
- fbo_incomplete("format mismatch", -1);
- return;
- }
- }
- if (att->Renderbuffer &&
- att->Renderbuffer->NumSamples != numSamples) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
- fbo_incomplete("inconsistant number of samples", i);
- return;
- }
-
- }
- }
-
-#if FEATURE_GL
- if (ctx->API == API_OPENGL) {
- /* Check that all DrawBuffers are present */
- for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
- if (fb->ColorDrawBuffer[j] != GL_NONE) {
- const struct gl_renderbuffer_attachment *att
- = _mesa_get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
- assert(att);
- if (att->Type == GL_NONE) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
- fbo_incomplete("missing drawbuffer", j);
- return;
- }
- }
- }
-
- /* Check that the ReadBuffer is present */
- if (fb->ColorReadBuffer != GL_NONE) {
- const struct gl_renderbuffer_attachment *att
- = _mesa_get_attachment(ctx, fb, fb->ColorReadBuffer);
- assert(att);
- if (att->Type == GL_NONE) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
- fbo_incomplete("missing readbuffer", -1);
- return;
- }
- }
- }
-#else
- (void) j;
-#endif
-
- if (numImages == 0) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
- fbo_incomplete("no attachments", -1);
- return;
- }
-
- /* Provisionally set status = COMPLETE ... */
- fb->_Status = GL_FRAMEBUFFER_COMPLETE_EXT;
-
- /* ... but the driver may say the FB is incomplete.
- * Drivers will most likely set the status to GL_FRAMEBUFFER_UNSUPPORTED
- * if anything.
- */
- if (ctx->Driver.ValidateFramebuffer) {
- ctx->Driver.ValidateFramebuffer(ctx, fb);
- if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- fbo_incomplete("driver marked FBO as incomplete", -1);
- }
- }
-
- if (fb->_Status == GL_FRAMEBUFFER_COMPLETE_EXT) {
- /*
- * Note that if ARB_framebuffer_object is supported and the attached
- * renderbuffers/textures are different sizes, the framebuffer
- * width/height will be set to the smallest width/height.
- */
- fb->Width = minWidth;
- fb->Height = minHeight;
-
- /* finally, update the visual info for the framebuffer */
- _mesa_update_framebuffer_visual(ctx, fb);
- }
-}
-
-
-GLboolean GLAPIENTRY
-_mesa_IsRenderbufferEXT(GLuint renderbuffer)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- if (renderbuffer) {
- struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
- if (rb != NULL && rb != &DummyRenderbuffer)
- return GL_TRUE;
- }
- return GL_FALSE;
-}
-
-
-void GLAPIENTRY
-_mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
-{
- struct gl_renderbuffer *newRb;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target != GL_RENDERBUFFER_EXT) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindRenderbufferEXT(target)");
- return;
- }
-
- /* No need to flush here since the render buffer binding has no
- * effect on rendering state.
- */
-
- if (renderbuffer) {
- newRb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
- if (newRb == &DummyRenderbuffer) {
- /* ID was reserved, but no real renderbuffer object made yet */
- newRb = NULL;
- }
- else if (!newRb && ctx->Extensions.ARB_framebuffer_object) {
- /* All RB IDs must be Gen'd */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBindRenderbuffer(buffer)");
- return;
- }
-
- if (!newRb) {
- /* create new renderbuffer object */
- newRb = ctx->Driver.NewRenderbuffer(ctx, renderbuffer);
- if (!newRb) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindRenderbufferEXT");
- return;
- }
- ASSERT(newRb->AllocStorage);
- _mesa_HashInsert(ctx->Shared->RenderBuffers, renderbuffer, newRb);
- newRb->RefCount = 1; /* referenced by hash table */
- }
- }
- else {
- newRb = NULL;
- }
-
- ASSERT(newRb != &DummyRenderbuffer);
-
- _mesa_reference_renderbuffer(&ctx->CurrentRenderbuffer, newRb);
-}
-
-
-/**
- * If the given renderbuffer is anywhere attached to the framebuffer, detach
- * the renderbuffer.
- * This is used when a renderbuffer object is deleted.
- * The spec calls for unbinding.
- */
-static void
-detach_renderbuffer(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- struct gl_renderbuffer *rb)
-{
- GLuint i;
- for (i = 0; i < BUFFER_COUNT; i++) {
- if (fb->Attachment[i].Renderbuffer == rb) {
- _mesa_remove_attachment(ctx, &fb->Attachment[i]);
- }
- }
- invalidate_framebuffer(fb);
-}
-
-
-void GLAPIENTRY
-_mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
-{
- GLint i;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- for (i = 0; i < n; i++) {
- if (renderbuffers[i] > 0) {
- struct gl_renderbuffer *rb;
- rb = _mesa_lookup_renderbuffer(ctx, renderbuffers[i]);
- if (rb) {
- /* check if deleting currently bound renderbuffer object */
- if (rb == ctx->CurrentRenderbuffer) {
- /* bind default */
- ASSERT(rb->RefCount >= 2);
- _mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
- }
-
- if (ctx->DrawBuffer->Name) {
- detach_renderbuffer(ctx, ctx->DrawBuffer, rb);
- }
- if (ctx->ReadBuffer->Name && ctx->ReadBuffer != ctx->DrawBuffer) {
- detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
- }
-
- /* Remove from hash table immediately, to free the ID.
- * But the object will not be freed until it's no longer
- * referenced anywhere else.
- */
- _mesa_HashRemove(ctx->Shared->RenderBuffers, renderbuffers[i]);
-
- if (rb != &DummyRenderbuffer) {
- /* no longer referenced by hash table */
- _mesa_reference_renderbuffer(&rb, NULL);
- }
- }
- }
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint first;
- GLint i;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGenRenderbuffersEXT(n)");
- return;
- }
-
- if (!renderbuffers)
- return;
-
- first = _mesa_HashFindFreeKeyBlock(ctx->Shared->RenderBuffers, n);
-
- for (i = 0; i < n; i++) {
- GLuint name = first + i;
- renderbuffers[i] = name;
- /* insert dummy placeholder into hash table */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- _mesa_HashInsert(ctx->Shared->RenderBuffers, name, &DummyRenderbuffer);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
- }
-}
-
-
-/**
- * Given an internal format token for a render buffer, return the
- * corresponding base format (one of GL_RGB, GL_RGBA, GL_STENCIL_INDEX,
- * GL_DEPTH_COMPONENT, GL_DEPTH_STENCIL_EXT, GL_ALPHA, GL_LUMINANCE,
- * GL_LUMINANCE_ALPHA, GL_INTENSITY, etc).
- *
- * This is similar to _mesa_base_tex_format() but the set of valid
- * internal formats is different.
- *
- * Note that even if a format is determined to be legal here, validation
- * of the FBO may fail if the format is not suppoted by the driver/GPU.
- *
- * \param internalFormat as passed to glRenderbufferStorage()
- * \return the base internal format, or 0 if internalFormat is illegal
- */
-GLenum
-_mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat)
-{
- /*
- * Notes: some formats such as alpha, luminance, etc. were added
- * with GL_ARB_framebuffer_object.
- */
- switch (internalFormat) {
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- return ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- return ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE : 0;
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- return ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- return ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
- case GL_RGB:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- case GL_SRGB8_EXT:
- return GL_RGB;
- case GL_RGBA:
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGB5_A1:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- case GL_RGBA16_SNORM:
- case GL_SRGB8_ALPHA8_EXT:
- return GL_RGBA;
- case GL_STENCIL_INDEX:
- case GL_STENCIL_INDEX1_EXT:
- case GL_STENCIL_INDEX4_EXT:
- case GL_STENCIL_INDEX8_EXT:
- case GL_STENCIL_INDEX16_EXT:
- return GL_STENCIL_INDEX;
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- return GL_DEPTH_COMPONENT;
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- if (ctx->Extensions.EXT_packed_depth_stencil)
- return GL_DEPTH_STENCIL_EXT;
- else
- return 0;
- case GL_RED:
- case GL_R8:
- case GL_R16:
- return ctx->Extensions.ARB_texture_rg ? GL_RED : 0;
- case GL_RG:
- case GL_RG8:
- case GL_RG16:
- return ctx->Extensions.ARB_texture_rg ? GL_RG : 0;
- /* XXX add floating point and integer formats eventually */
- default:
- return 0;
- }
-}
-
-
-/** sentinal value, see below */
-#define NO_SAMPLES 1000
-
-
-/**
- * Helper function used by _mesa_RenderbufferStorageEXT() and
- * _mesa_RenderbufferStorageMultisample().
- * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorageEXT().
- */
-static void
-renderbuffer_storage(GLenum target, GLenum internalFormat,
- GLsizei width, GLsizei height, GLsizei samples)
-{
- const char *func = samples == NO_SAMPLES ?
- "glRenderbufferStorage" : "RenderbufferStorageMultisample";
- struct gl_renderbuffer *rb;
- GLenum baseFormat;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target != GL_RENDERBUFFER_EXT) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func);
- return;
- }
-
- baseFormat = _mesa_base_fbo_format(ctx, internalFormat);
- if (baseFormat == 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat)", func);
- return;
- }
-
- if (width < 1 || width > (GLsizei) ctx->Const.MaxRenderbufferSize) {
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(width)", func);
- return;
- }
-
- if (height < 1 || height > (GLsizei) ctx->Const.MaxRenderbufferSize) {
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(height)", func);
- return;
- }
-
- if (samples == NO_SAMPLES) {
- /* NumSamples == 0 indicates non-multisampling */
- samples = 0;
- }
- else if (samples > (GLsizei) ctx->Const.MaxSamples) {
- /* note: driver may choose to use more samples than what's requested */
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(samples)", func);
- return;
- }
-
- rb = ctx->CurrentRenderbuffer;
- if (!rb) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- if (rb->InternalFormat == internalFormat &&
- rb->Width == (GLuint) width &&
- rb->Height == (GLuint) height) {
- /* no change in allocation needed */
- return;
- }
-
- /* These MUST get set by the AllocStorage func */
- rb->Format = MESA_FORMAT_NONE;
- rb->NumSamples = samples;
-
- /* Now allocate the storage */
- ASSERT(rb->AllocStorage);
- if (rb->AllocStorage(ctx, rb, internalFormat, width, height)) {
- /* No error - check/set fields now */
- assert(rb->Format != MESA_FORMAT_NONE);
- assert(rb->Width == (GLuint) width);
- assert(rb->Height == (GLuint) height);
- rb->InternalFormat = internalFormat;
- rb->_BaseFormat = baseFormat;
- assert(rb->_BaseFormat != 0);
- }
- else {
- /* Probably ran out of memory - clear the fields */
- rb->Width = 0;
- rb->Height = 0;
- rb->Format = MESA_FORMAT_NONE;
- rb->InternalFormat = GL_NONE;
- rb->_BaseFormat = GL_NONE;
- rb->NumSamples = 0;
- }
-
- /*
- test_framebuffer_completeness(ctx, fb);
- */
- /* XXX if this renderbuffer is attached anywhere, invalidate attachment
- * points???
- */
-}
-
-
-#if FEATURE_OES_EGL_image
-void GLAPIENTRY
-_mesa_EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
-{
- struct gl_renderbuffer *rb;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.OES_EGL_image) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glEGLImageTargetRenderbufferStorageOES(unsupported)");
- return;
- }
-
- if (target != GL_RENDERBUFFER) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "EGLImageTargetRenderbufferStorageOES");
- return;
- }
-
- rb = ctx->CurrentRenderbuffer;
- if (!rb) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "EGLImageTargetRenderbufferStorageOES");
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- ctx->Driver.EGLImageTargetRenderbufferStorage(ctx, rb, image);
-}
-#endif
-
-
-/**
- * Helper function for _mesa_GetRenderbufferParameterivEXT() and
- * _mesa_GetFramebufferAttachmentParameterivEXT()
- * We have to be careful to respect the base format. For example, if a
- * renderbuffer/texture was created with internalFormat=GL_RGB but the
- * driver actually chose a GL_RGBA format, when the user queries ALPHA_SIZE
- * we need to return zero.
- */
-static GLint
-get_component_bits(GLenum pname, GLenum baseFormat, gl_format format)
-{
- switch (pname) {
- case GL_RENDERBUFFER_RED_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
- if (baseFormat == GL_RGB || baseFormat == GL_RGBA ||
- baseFormat == GL_RG || baseFormat == GL_RED)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_GREEN_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
- if (baseFormat == GL_RGB || baseFormat == GL_RGBA || baseFormat == GL_RG)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_BLUE_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
- if (baseFormat == GL_RGB || baseFormat == GL_RGBA)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
- if (baseFormat == GL_RGBA || baseFormat == GL_ALPHA ||
- baseFormat == GL_LUMINANCE_ALPHA)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
- if (baseFormat == GL_DEPTH_COMPONENT || baseFormat == GL_DEPTH_STENCIL)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
- if (baseFormat == GL_STENCIL_INDEX || baseFormat == GL_DEPTH_STENCIL)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- default:
- return 0;
- }
-}
-
-
-
-void GLAPIENTRY
-_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
- GLsizei width, GLsizei height)
-{
- /* GL_ARB_fbo says calling this function is equivalent to calling
- * glRenderbufferStorageMultisample() with samples=0. We pass in
- * a token value here just for error reporting purposes.
- */
- renderbuffer_storage(target, internalFormat, width, height, NO_SAMPLES);
-}
-
-
-void GLAPIENTRY
-_mesa_RenderbufferStorageMultisample(GLenum target, GLsizei samples,
- GLenum internalFormat,
- GLsizei width, GLsizei height)
-{
- renderbuffer_storage(target, internalFormat, width, height, samples);
-}
-
-
-/**
- * OpenGL ES version of glRenderBufferStorage.
- */
-void GLAPIENTRY
-_es_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
- GLsizei width, GLsizei height)
-{
- switch (internalFormat) {
- case GL_RGB565:
- /* XXX this confuses GL_RENDERBUFFER_INTERNAL_FORMAT_OES */
- /* choose a closest format */
- internalFormat = GL_RGB5;
- break;
- default:
- break;
- }
-
- renderbuffer_storage(target, internalFormat, width, height, 0);
-}
-
-
-void GLAPIENTRY
-_mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
-{
- struct gl_renderbuffer *rb;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target != GL_RENDERBUFFER_EXT) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetRenderbufferParameterivEXT(target)");
- return;
- }
-
- rb = ctx->CurrentRenderbuffer;
- if (!rb) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetRenderbufferParameterivEXT");
- return;
- }
-
- /* No need to flush here since we're just quering state which is
- * not effected by rendering.
- */
-
- switch (pname) {
- case GL_RENDERBUFFER_WIDTH_EXT:
- *params = rb->Width;
- return;
- case GL_RENDERBUFFER_HEIGHT_EXT:
- *params = rb->Height;
- return;
- case GL_RENDERBUFFER_INTERNAL_FORMAT_EXT:
- *params = rb->InternalFormat;
- return;
- case GL_RENDERBUFFER_RED_SIZE_EXT:
- case GL_RENDERBUFFER_GREEN_SIZE_EXT:
- case GL_RENDERBUFFER_BLUE_SIZE_EXT:
- case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
- case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
- case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
- *params = get_component_bits(pname, rb->_BaseFormat, rb->Format);
- break;
- case GL_RENDERBUFFER_SAMPLES:
- if (ctx->Extensions.ARB_framebuffer_object) {
- *params = rb->NumSamples;
- break;
- }
- /* fallthrough */
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetRenderbufferParameterivEXT(target)");
- return;
- }
-}
-
-
-GLboolean GLAPIENTRY
-_mesa_IsFramebufferEXT(GLuint framebuffer)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- if (framebuffer) {
- struct gl_framebuffer *rb = _mesa_lookup_framebuffer(ctx, framebuffer);
- if (rb != NULL && rb != &DummyFramebuffer)
- return GL_TRUE;
- }
- return GL_FALSE;
-}
-
-
-/**
- * Check if any of the attachments of the given framebuffer are textures
- * (render to texture). Call ctx->Driver.RenderTexture() for such
- * attachments.
- */
-static void
-check_begin_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
-{
- GLuint i;
- ASSERT(ctx->Driver.RenderTexture);
-
- if (fb->Name == 0)
- return; /* can't render to texture with winsys framebuffers */
-
- for (i = 0; i < BUFFER_COUNT; i++) {
- struct gl_renderbuffer_attachment *att = fb->Attachment + i;
- struct gl_texture_object *texObj = att->Texture;
- if (texObj
- && texObj->Image[att->CubeMapFace][att->TextureLevel]) {
- ctx->Driver.RenderTexture(ctx, fb, att);
- }
- }
-}
-
-
-/**
- * Examine all the framebuffer's attachments to see if any are textures.
- * If so, call ctx->Driver.FinishRenderTexture() for each texture to
- * notify the device driver that the texture image may have changed.
- */
-static void
-check_end_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
-{
- if (fb->Name == 0)
- return; /* can't render to texture with winsys framebuffers */
-
- if (ctx->Driver.FinishRenderTexture) {
- GLuint i;
- for (i = 0; i < BUFFER_COUNT; i++) {
- struct gl_renderbuffer_attachment *att = fb->Attachment + i;
- if (att->Texture && att->Renderbuffer) {
- ctx->Driver.FinishRenderTexture(ctx, att);
- }
- }
- }
-}
-
-
-void GLAPIENTRY
-_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
-{
- struct gl_framebuffer *newDrawFb, *newReadFb;
- struct gl_framebuffer *oldDrawFb, *oldReadFb;
- GLboolean bindReadBuf, bindDrawBuf;
- GET_CURRENT_CONTEXT(ctx);
-
-#ifdef DEBUG
- if (ctx->Extensions.ARB_framebuffer_object) {
- ASSERT(ctx->Extensions.EXT_framebuffer_object);
- ASSERT(ctx->Extensions.EXT_framebuffer_blit);
- }
-#endif
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.EXT_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBindFramebufferEXT(unsupported)");
- return;
- }
-
- switch (target) {
-#if FEATURE_EXT_framebuffer_blit
- case GL_DRAW_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
- return;
- }
- bindDrawBuf = GL_TRUE;
- bindReadBuf = GL_FALSE;
- break;
- case GL_READ_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
- return;
- }
- bindDrawBuf = GL_FALSE;
- bindReadBuf = GL_TRUE;
- break;
-#endif
- case GL_FRAMEBUFFER_EXT:
- bindDrawBuf = GL_TRUE;
- bindReadBuf = GL_TRUE;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
- return;
- }
-
- if (framebuffer) {
- /* Binding a user-created framebuffer object */
- newDrawFb = _mesa_lookup_framebuffer(ctx, framebuffer);
- if (newDrawFb == &DummyFramebuffer) {
- /* ID was reserved, but no real framebuffer object made yet */
- newDrawFb = NULL;
- }
- else if (!newDrawFb && ctx->Extensions.ARB_framebuffer_object) {
- /* All FBO IDs must be Gen'd */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBindFramebuffer(buffer)");
- return;
- }
-
- if (!newDrawFb) {
- /* create new framebuffer object */
- newDrawFb = ctx->Driver.NewFramebuffer(ctx, framebuffer);
- if (!newDrawFb) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFramebufferEXT");
- return;
- }
- _mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newDrawFb);
- }
- newReadFb = newDrawFb;
- }
- else {
- /* Binding the window system framebuffer (which was originally set
- * with MakeCurrent).
- */
- newDrawFb = ctx->WinSysDrawBuffer;
- newReadFb = ctx->WinSysReadBuffer;
- }
-
- ASSERT(newDrawFb);
- ASSERT(newDrawFb != &DummyFramebuffer);
-
- /* save pointers to current/old framebuffers */
- oldDrawFb = ctx->DrawBuffer;
- oldReadFb = ctx->ReadBuffer;
-
- /* check if really changing bindings */
- if (oldDrawFb == newDrawFb)
- bindDrawBuf = GL_FALSE;
- if (oldReadFb == newReadFb)
- bindReadBuf = GL_FALSE;
-
- /*
- * OK, now bind the new Draw/Read framebuffers, if they're changing.
- *
- * We also check if we're beginning and/or ending render-to-texture.
- * When a framebuffer with texture attachments is unbound, call
- * ctx->Driver.FinishRenderTexture().
- * When a framebuffer with texture attachments is bound, call
- * ctx->Driver.RenderTexture().
- *
- * Note that if the ReadBuffer has texture attachments we don't consider
- * that a render-to-texture case.
- */
- if (bindReadBuf) {
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- /* check if old readbuffer was render-to-texture */
- check_end_texture_render(ctx, oldReadFb);
-
- _mesa_reference_framebuffer(&ctx->ReadBuffer, newReadFb);
- }
-
- if (bindDrawBuf) {
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- /* check if old read/draw buffers were render-to-texture */
- if (!bindReadBuf)
- check_end_texture_render(ctx, oldReadFb);
-
- if (oldDrawFb != oldReadFb)
- check_end_texture_render(ctx, oldDrawFb);
-
- /* check if newly bound framebuffer has any texture attachments */
- check_begin_texture_render(ctx, newDrawFb);
-
- _mesa_reference_framebuffer(&ctx->DrawBuffer, newDrawFb);
- }
-
- if ((bindDrawBuf || bindReadBuf) && ctx->Driver.BindFramebuffer) {
- ctx->Driver.BindFramebuffer(ctx, target, newDrawFb, newReadFb);
- }
-}
-
-
-void GLAPIENTRY
-_mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
-{
- GLint i;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- for (i = 0; i < n; i++) {
- if (framebuffers[i] > 0) {
- struct gl_framebuffer *fb;
- fb = _mesa_lookup_framebuffer(ctx, framebuffers[i]);
- if (fb) {
- ASSERT(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
-
- /* check if deleting currently bound framebuffer object */
- if (ctx->Extensions.EXT_framebuffer_blit) {
- /* separate draw/read binding points */
- if (fb == ctx->DrawBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
- }
- if (fb == ctx->ReadBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
- }
- }
- else {
- /* only one binding point for read/draw buffers */
- if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
- }
- }
-
- /* remove from hash table immediately, to free the ID */
- _mesa_HashRemove(ctx->Shared->FrameBuffers, framebuffers[i]);
-
- if (fb != &DummyFramebuffer) {
- /* But the object will not be freed until it's no longer
- * bound in any context.
- */
- _mesa_reference_framebuffer(&fb, NULL);
- }
- }
- }
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GenFramebuffersEXT(GLsizei n, GLuint *framebuffers)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint first;
- GLint i;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGenFramebuffersEXT(n)");
- return;
- }
-
- if (!framebuffers)
- return;
-
- first = _mesa_HashFindFreeKeyBlock(ctx->Shared->FrameBuffers, n);
-
- for (i = 0; i < n; i++) {
- GLuint name = first + i;
- framebuffers[i] = name;
- /* insert dummy placeholder into hash table */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- _mesa_HashInsert(ctx->Shared->FrameBuffers, name, &DummyFramebuffer);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
- }
-}
-
-
-
-GLenum GLAPIENTRY
-_mesa_CheckFramebufferStatusEXT(GLenum target)
-{
- struct gl_framebuffer *buffer;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
-
- switch (target) {
-#if FEATURE_EXT_framebuffer_blit
- case GL_DRAW_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
- return 0;
- }
- buffer = ctx->DrawBuffer;
- break;
- case GL_READ_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
- return 0;
- }
- buffer = ctx->ReadBuffer;
- break;
-#endif
- case GL_FRAMEBUFFER_EXT:
- buffer = ctx->DrawBuffer;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
- return 0; /* formerly GL_FRAMEBUFFER_STATUS_ERROR_EXT */
- }
-
- if (buffer->Name == 0) {
- /* The window system / default framebuffer is always complete */
- return GL_FRAMEBUFFER_COMPLETE_EXT;
- }
-
- /* No need to flush here */
-
- if (buffer->_Status != GL_FRAMEBUFFER_COMPLETE) {
- _mesa_test_framebuffer_completeness(ctx, buffer);
- }
-
- return buffer->_Status;
-}
-
-
-
-/**
- * Common code called by glFramebufferTexture1D/2D/3DEXT().
- */
-static void
-framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
- GLenum attachment, GLenum textarget, GLuint texture,
- GLint level, GLint zoffset)
-{
- struct gl_renderbuffer_attachment *att;
- struct gl_texture_object *texObj = NULL;
- struct gl_framebuffer *fb;
- GLboolean error = GL_FALSE;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (target) {
- case GL_READ_FRAMEBUFFER_EXT:
- error = !ctx->Extensions.EXT_framebuffer_blit;
- fb = ctx->ReadBuffer;
- break;
- case GL_DRAW_FRAMEBUFFER_EXT:
- error = !ctx->Extensions.EXT_framebuffer_blit;
- /* fall-through */
- case GL_FRAMEBUFFER_EXT:
- fb = ctx->DrawBuffer;
- break;
- default:
- error = GL_TRUE;
- }
-
- if (error) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferTexture%sEXT(target=0x%x)", caller, target);
- return;
- }
-
- ASSERT(fb);
-
- /* check framebuffer binding */
- if (fb->Name == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTexture%sEXT", caller);
- return;
- }
-
-
- /* The textarget, level, and zoffset parameters are only validated if
- * texture is non-zero.
- */
- if (texture) {
- GLboolean err = GL_TRUE;
-
- texObj = _mesa_lookup_texture(ctx, texture);
- if (texObj != NULL) {
- if (textarget == 0) {
- /* XXX what's the purpose of this? */
- err = (texObj->Target != GL_TEXTURE_3D) &&
- (texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
- (texObj->Target != GL_TEXTURE_2D_ARRAY_EXT);
- }
- else {
- err = (texObj->Target == GL_TEXTURE_CUBE_MAP)
- ? !IS_CUBE_FACE(textarget)
- : (texObj->Target != textarget);
- }
- }
- else {
- /* can't render to a non-existant texture */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTexture%sEXT(non existant texture)",
- caller);
- return;
- }
-
- if (err) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTexture%sEXT(texture target mismatch)",
- caller);
- return;
- }
-
- if (texObj->Target == GL_TEXTURE_3D) {
- const GLint maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
- if (zoffset < 0 || zoffset >= maxSize) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glFramebufferTexture%sEXT(zoffset)", caller);
- return;
- }
- }
- else if ((texObj->Target == GL_TEXTURE_1D_ARRAY_EXT) ||
- (texObj->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
- if (zoffset < 0 || zoffset >= ctx->Const.MaxArrayTextureLayers) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glFramebufferTexture%sEXT(layer)", caller);
- return;
- }
- }
-
- if ((level < 0) ||
- (level >= _mesa_max_texture_levels(ctx, texObj->Target))) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glFramebufferTexture%sEXT(level)", caller);
- return;
- }
- }
-
- att = _mesa_get_attachment(ctx, fb, attachment);
- if (att == NULL) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferTexture%sEXT(attachment)", caller);
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- _glthread_LOCK_MUTEX(fb->Mutex);
- if (texObj) {
- _mesa_set_texture_attachment(ctx, fb, att, texObj, textarget,
- level, zoffset);
- /* Set the render-to-texture flag. We'll check this flag in
- * glTexImage() and friends to determine if we need to revalidate
- * any FBOs that might be rendering into this texture.
- * This flag never gets cleared since it's non-trivial to determine
- * when all FBOs might be done rendering to this texture. That's OK
- * though since it's uncommon to render to a texture then repeatedly
- * call glTexImage() to change images in the texture.
- */
- texObj->_RenderToTexture = GL_TRUE;
- }
- else {
- _mesa_remove_attachment(ctx, att);
- }
-
- invalidate_framebuffer(fb);
-
- _glthread_UNLOCK_MUTEX(fb->Mutex);
-}
-
-
-
-void GLAPIENTRY
-_mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- if ((texture != 0) && (textarget != GL_TEXTURE_1D)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferTexture1DEXT(textarget)");
- return;
- }
-
- framebuffer_texture(ctx, "1D", target, attachment, textarget, texture,
- level, 0);
-}
-
-
-void GLAPIENTRY
-_mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- if ((texture != 0) &&
- (textarget != GL_TEXTURE_2D) &&
- (textarget != GL_TEXTURE_RECTANGLE_ARB) &&
- (!IS_CUBE_FACE(textarget))) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTexture2DEXT(textarget=0x%x)", textarget);
- return;
- }
-
- framebuffer_texture(ctx, "2D", target, attachment, textarget, texture,
- level, 0);
-}
-
-
-void GLAPIENTRY
-_mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture,
- GLint level, GLint zoffset)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- if ((texture != 0) && (textarget != GL_TEXTURE_3D)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferTexture3DEXT(textarget)");
- return;
- }
-
- framebuffer_texture(ctx, "3D", target, attachment, textarget, texture,
- level, zoffset);
-}
-
-
-void GLAPIENTRY
-_mesa_FramebufferTextureLayerEXT(GLenum target, GLenum attachment,
- GLuint texture, GLint level, GLint layer)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- framebuffer_texture(ctx, "Layer", target, attachment, 0, texture,
- level, layer);
-}
-
-
-void GLAPIENTRY
-_mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
- GLenum renderbufferTarget,
- GLuint renderbuffer)
-{
- struct gl_renderbuffer_attachment *att;
- struct gl_framebuffer *fb;
- struct gl_renderbuffer *rb;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (target) {
-#if FEATURE_EXT_framebuffer_blit
- case GL_DRAW_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(target)");
- return;
- }
- fb = ctx->DrawBuffer;
- break;
- case GL_READ_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(target)");
- return;
- }
- fb = ctx->ReadBuffer;
- break;
-#endif
- case GL_FRAMEBUFFER_EXT:
- fb = ctx->DrawBuffer;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(target)");
- return;
- }
-
- if (renderbufferTarget != GL_RENDERBUFFER_EXT) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(renderbufferTarget)");
- return;
- }
-
- if (fb->Name == 0) {
- /* Can't attach new renderbuffers to a window system framebuffer */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glFramebufferRenderbufferEXT");
- return;
- }
-
- att = _mesa_get_attachment(ctx, fb, attachment);
- if (att == NULL) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(invalid attachment %s)",
- _mesa_lookup_enum_by_nr(attachment));
- return;
- }
-
- if (renderbuffer) {
- rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
- if (!rb) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferRenderbufferEXT(non-existant"
- " renderbuffer %u)", renderbuffer);
- return;
- }
- else if (rb == &DummyRenderbuffer) {
- /* This is what NVIDIA does */
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glFramebufferRenderbufferEXT(renderbuffer %u)",
- renderbuffer);
- return;
- }
- }
- else {
- /* remove renderbuffer attachment */
- rb = NULL;
- }
-
- if (attachment == GL_DEPTH_STENCIL_ATTACHMENT &&
- rb && rb->Format != MESA_FORMAT_NONE) {
- /* make sure the renderbuffer is a depth/stencil format */
- const GLenum baseFormat = _mesa_get_format_base_format(rb->Format);
- if (baseFormat != GL_DEPTH_STENCIL) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferRenderbufferEXT(renderbuffer"
- " is not DEPTH_STENCIL format)");
- return;
- }
- }
-
-
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- assert(ctx->Driver.FramebufferRenderbuffer);
- ctx->Driver.FramebufferRenderbuffer(ctx, fb, attachment, rb);
-
- /* Some subsequent GL commands may depend on the framebuffer's visual
- * after the binding is updated. Update visual info now.
- */
- _mesa_update_framebuffer_visual(ctx, fb);
-}
-
-
-void GLAPIENTRY
-_mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
- GLenum pname, GLint *params)
-{
- const struct gl_renderbuffer_attachment *att;
- struct gl_framebuffer *buffer;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (target) {
-#if FEATURE_EXT_framebuffer_blit
- case GL_DRAW_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(target)");
- return;
- }
- buffer = ctx->DrawBuffer;
- break;
- case GL_READ_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(target)");
- return;
- }
- buffer = ctx->ReadBuffer;
- break;
-#endif
- case GL_FRAMEBUFFER_EXT:
- buffer = ctx->DrawBuffer;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(target)");
- return;
- }
-
- if (buffer->Name == 0) {
- /* the default / window-system FBO */
- att = _mesa_get_fb0_attachment(ctx, buffer, attachment);
- }
- else {
- /* user-created framebuffer FBO */
- att = _mesa_get_attachment(ctx, buffer, attachment);
- }
-
- if (att == NULL) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(attachment)");
- return;
- }
-
- if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
- /* the depth and stencil attachments must point to the same buffer */
- const struct gl_renderbuffer_attachment *depthAtt, *stencilAtt;
- depthAtt = _mesa_get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT);
- stencilAtt = _mesa_get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
- if (depthAtt->Renderbuffer != stencilAtt->Renderbuffer) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetFramebufferAttachmentParameterivEXT(DEPTH/STENCIL"
- " attachments differ)");
- return;
- }
- }
-
- /* No need to flush here */
-
- switch (pname) {
- case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT:
- *params = buffer->Name == 0 ? GL_FRAMEBUFFER_DEFAULT : att->Type;
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT:
- if (att->Type == GL_RENDERBUFFER_EXT) {
- *params = att->Renderbuffer->Name;
- }
- else if (att->Type == GL_TEXTURE) {
- *params = att->Texture->Name;
- }
- else {
- assert(att->Type == GL_NONE);
- *params = 0;
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT:
- if (att->Type == GL_TEXTURE) {
- *params = att->TextureLevel;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT:
- if (att->Type == GL_TEXTURE) {
- if (att->Texture && att->Texture->Target == GL_TEXTURE_CUBE_MAP) {
- *params = GL_TEXTURE_CUBE_MAP_POSITIVE_X + att->CubeMapFace;
- }
- else {
- *params = 0;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT:
- if (att->Type == GL_TEXTURE) {
- if (att->Texture && att->Texture->Target == GL_TEXTURE_3D) {
- *params = att->Zoffset;
- }
- else {
- *params = 0;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
- if (!ctx->Extensions.ARB_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- }
- else {
- if (ctx->Extensions.EXT_framebuffer_sRGB) {
- *params = _mesa_get_format_color_encoding(att->Renderbuffer->Format);
- }
- else {
- /* According to ARB_framebuffer_sRGB, we should return LINEAR
- * if the sRGB conversion is unsupported. */
- *params = GL_LINEAR;
- }
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
- if (!ctx->Extensions.ARB_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- return;
- }
- else {
- gl_format format = att->Renderbuffer->Format;
- if (format == MESA_FORMAT_CI8 || format == MESA_FORMAT_S8) {
- /* special cases */
- *params = GL_INDEX;
- }
- else {
- *params = _mesa_get_format_datatype(format);
- }
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
- case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
- case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
- case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
- case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
- case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
- if (!ctx->Extensions.ARB_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- }
- else if (att->Texture) {
- const struct gl_texture_image *texImage =
- _mesa_select_tex_image(ctx, att->Texture, att->Texture->Target,
- att->TextureLevel);
- if (texImage) {
- *params = get_component_bits(pname, texImage->_BaseFormat,
- texImage->TexFormat);
- }
- else {
- *params = 0;
- }
- }
- else if (att->Renderbuffer) {
- *params = get_component_bits(pname, att->Renderbuffer->_BaseFormat,
- att->Renderbuffer->Format);
- }
- else {
- *params = 0;
- }
- return;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- return;
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GenerateMipmapEXT(GLenum target)
-{
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_TEXTURE_2D:
- case GL_TEXTURE_3D:
- case GL_TEXTURE_CUBE_MAP:
- /* OK, legal value */
- break;
- default:
- /* XXX need to implement GL_TEXTURE_1D_ARRAY and GL_TEXTURE_2D_ARRAY */
- _mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target)");
- return;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- if (texObj->BaseLevel >= texObj->MaxLevel) {
- /* nothing to do */
- return;
- }
-
- if (texObj->Target == GL_TEXTURE_CUBE_MAP &&
- !_mesa_cube_complete(texObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGenerateMipmap(incomplete cube map)");
- return;
- }
-
- _mesa_lock_texture(ctx, texObj);
- if (target == GL_TEXTURE_CUBE_MAP) {
- GLuint face;
- for (face = 0; face < 6; face++)
- ctx->Driver.GenerateMipmap(ctx,
- GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB + face,
- texObj);
- }
- else {
- ctx->Driver.GenerateMipmap(ctx, target, texObj);
- }
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
-#if FEATURE_EXT_framebuffer_blit
-
-static const struct gl_renderbuffer_attachment *
-find_attachment(const struct gl_framebuffer *fb, const struct gl_renderbuffer *rb)
-{
- GLuint i;
- for (i = 0; i < Elements(fb->Attachment); i++) {
- if (fb->Attachment[i].Renderbuffer == rb)
- return &fb->Attachment[i];
- }
- return NULL;
-}
-
-
-
-/**
- * Blit rectangular region, optionally from one framebuffer to another.
- *
- * Note, if the src buffer is multisampled and the dest is not, this is
- * when the samples must be resolved to a single color.
- */
-void GLAPIENTRY
-_mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter)
-{
- const GLbitfield legalMaskBits = (GL_COLOR_BUFFER_BIT |
- GL_DEPTH_BUFFER_BIT |
- GL_STENCIL_BUFFER_BIT);
- const struct gl_framebuffer *readFb, *drawFb;
- const struct gl_renderbuffer *colorReadRb, *colorDrawRb;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
-
- readFb = ctx->ReadBuffer;
- drawFb = ctx->DrawBuffer;
-
- if (!readFb || !drawFb) {
- /* This will normally never happen but someday we may want to
- * support MakeCurrent() with no drawables.
- */
- return;
- }
-
- /* check for complete framebuffers */
- if (drawFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT ||
- readFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glBlitFramebufferEXT(incomplete draw/read buffers)");
- return;
- }
-
- if (filter != GL_NEAREST && filter != GL_LINEAR) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlitFramebufferEXT(filter)");
- return;
- }
-
- if (mask & ~legalMaskBits) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glBlitFramebufferEXT(mask)");
- return;
- }
-
- /* depth/stencil must be blitted with nearest filtering */
- if ((mask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT))
- && filter != GL_NEAREST) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter");
- return;
- }
-
- /* get color read/draw renderbuffers */
- if (mask & GL_COLOR_BUFFER_BIT) {
- colorReadRb = readFb->_ColorReadBuffer;
- colorDrawRb = drawFb->_ColorDrawBuffers[0];
- }
- else {
- colorReadRb = colorDrawRb = NULL;
- }
-
- if (mask & GL_STENCIL_BUFFER_BIT) {
- struct gl_renderbuffer *readRb = readFb->_StencilBuffer;
- struct gl_renderbuffer *drawRb = drawFb->_StencilBuffer;
- if (!readRb ||
- !drawRb ||
- _mesa_get_format_bits(readRb->Format, GL_STENCIL_BITS) !=
- _mesa_get_format_bits(drawRb->Format, GL_STENCIL_BITS)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(stencil buffer size mismatch");
- return;
- }
- }
-
- if (mask & GL_DEPTH_BUFFER_BIT) {
- struct gl_renderbuffer *readRb = readFb->_DepthBuffer;
- struct gl_renderbuffer *drawRb = drawFb->_DepthBuffer;
- if (!readRb ||
- !drawRb ||
- _mesa_get_format_bits(readRb->Format, GL_DEPTH_BITS) !=
- _mesa_get_format_bits(drawRb->Format, GL_DEPTH_BITS)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(depth buffer size mismatch");
- return;
- }
- }
-
- if (readFb->Visual.samples > 0 &&
- drawFb->Visual.samples > 0 &&
- readFb->Visual.samples != drawFb->Visual.samples) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(mismatched samples");
- return;
- }
-
- /* extra checks for multisample copies... */
- if (readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) {
- /* src and dest region sizes must be the same */
- if (srcX1 - srcX0 != dstX1 - dstX0 ||
- srcY1 - srcY0 != dstY1 - dstY0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(bad src/dst multisample region sizes");
- return;
- }
-
- /* color formats must match */
- if (colorReadRb &&
- colorDrawRb &&
- colorReadRb->Format != colorDrawRb->Format) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(bad src/dst multisample pixel formats");
- return;
- }
- }
-
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT");
- return;
- }
-
- /* Debug code */
- if (DEBUG_BLIT) {
- printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d,"
- " 0x%x, 0x%x)\n",
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, filter);
- if (colorReadRb) {
- const struct gl_renderbuffer_attachment *att;
-
- att = find_attachment(readFb, colorReadRb);
- printf(" Src FBO %u RB %u (%dx%d) ",
- readFb->Name, colorReadRb->Name,
- colorReadRb->Width, colorReadRb->Height);
- if (att && att->Texture) {
- printf("Tex %u tgt 0x%x level %u face %u",
- att->Texture->Name,
- att->Texture->Target,
- att->TextureLevel,
- att->CubeMapFace);
- }
- printf("\n");
-
- att = find_attachment(drawFb, colorDrawRb);
- printf(" Dst FBO %u RB %u (%dx%d) ",
- drawFb->Name, colorDrawRb->Name,
- colorDrawRb->Width, colorDrawRb->Height);
- if (att && att->Texture) {
- printf("Tex %u tgt 0x%x level %u face %u",
- att->Texture->Name,
- att->Texture->Target,
- att->TextureLevel,
- att->CubeMapFace);
- }
- printf("\n");
- }
- }
-
- ASSERT(ctx->Driver.BlitFramebuffer);
- ctx->Driver.BlitFramebuffer(ctx,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, filter);
-}
-#endif /* FEATURE_EXT_framebuffer_blit */
-
-#if FEATURE_ARB_geometry_shader4
-void GLAPIENTRY
-_mesa_FramebufferTextureARB(GLenum target, GLenum attachment,
- GLuint texture, GLint level)
-{
- GET_CURRENT_CONTEXT(ctx);
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTextureARB "
- "not implemented!");
-}
-
-void GLAPIENTRY
-_mesa_FramebufferTextureFaceARB(GLenum target, GLenum attachment,
- GLuint texture, GLint level, GLenum face)
-{
- GET_CURRENT_CONTEXT(ctx);
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTextureFaceARB "
- "not implemented!");
-}
-#endif /* FEATURE_ARB_geometry_shader4 */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * GL_EXT/ARB_framebuffer_object extensions
+ *
+ * Authors:
+ * Brian Paul
+ */
+
+
+#include "buffers.h"
+#include "context.h"
+#include "enums.h"
+#include "fbobject.h"
+#include "formats.h"
+#include "framebuffer.h"
+#include "hash.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "renderbuffer.h"
+#include "state.h"
+#include "teximage.h"
+#include "texobj.h"
+
+
+/** Set this to 1 to help debug FBO incompleteness problems */
+#define DEBUG_FBO 0
+
+/** Set this to 1 to debug/log glBlitFramebuffer() calls */
+#define DEBUG_BLIT 0
+
+
+/**
+ * Notes:
+ *
+ * None of the GL_EXT_framebuffer_object functions are compiled into
+ * display lists.
+ */
+
+
+
+/*
+ * When glGenRender/FramebuffersEXT() is called we insert pointers to
+ * these placeholder objects into the hash table.
+ * Later, when the object ID is first bound, we replace the placeholder
+ * with the real frame/renderbuffer.
+ */
+static struct gl_framebuffer DummyFramebuffer;
+static struct gl_renderbuffer DummyRenderbuffer;
+
+/* We bind this framebuffer when applications pass a NULL
+ * drawable/surface in make current. */
+static struct gl_framebuffer IncompleteFramebuffer;
+
+
+#define IS_CUBE_FACE(TARGET) \
+ ((TARGET) >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && \
+ (TARGET) <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z)
+
+
+static void
+delete_dummy_renderbuffer(struct gl_renderbuffer *rb)
+{
+ /* no op */
+}
+
+static void
+delete_dummy_framebuffer(struct gl_framebuffer *fb)
+{
+ /* no op */
+}
+
+
+void
+_mesa_init_fbobjects(struct gl_context *ctx)
+{
+ _glthread_INIT_MUTEX(DummyFramebuffer.Mutex);
+ _glthread_INIT_MUTEX(DummyRenderbuffer.Mutex);
+ _glthread_INIT_MUTEX(IncompleteFramebuffer.Mutex);
+ DummyFramebuffer.Delete = delete_dummy_framebuffer;
+ DummyRenderbuffer.Delete = delete_dummy_renderbuffer;
+ IncompleteFramebuffer.Delete = delete_dummy_framebuffer;
+}
+
+struct gl_framebuffer *
+_mesa_get_incomplete_framebuffer(void)
+{
+ return &IncompleteFramebuffer;
+}
+
+/**
+ * Helper routine for getting a gl_renderbuffer.
+ */
+struct gl_renderbuffer *
+_mesa_lookup_renderbuffer(struct gl_context *ctx, GLuint id)
+{
+ struct gl_renderbuffer *rb;
+
+ if (id == 0)
+ return NULL;
+
+ rb = (struct gl_renderbuffer *)
+ _mesa_HashLookup(ctx->Shared->RenderBuffers, id);
+ return rb;
+}
+
+
+/**
+ * Helper routine for getting a gl_framebuffer.
+ */
+struct gl_framebuffer *
+_mesa_lookup_framebuffer(struct gl_context *ctx, GLuint id)
+{
+ struct gl_framebuffer *fb;
+
+ if (id == 0)
+ return NULL;
+
+ fb = (struct gl_framebuffer *)
+ _mesa_HashLookup(ctx->Shared->FrameBuffers, id);
+ return fb;
+}
+
+
+/**
+ * Mark the given framebuffer as invalid. This will force the
+ * test for framebuffer completeness to be done before the framebuffer
+ * is used.
+ */
+static void
+invalidate_framebuffer(struct gl_framebuffer *fb)
+{
+ fb->_Status = 0; /* "indeterminate" */
+}
+
+
+/**
+ * Given a GL_*_ATTACHMENTn token, return a pointer to the corresponding
+ * gl_renderbuffer_attachment object.
+ * This function is only used for user-created FB objects, not the
+ * default / window-system FB object.
+ * If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
+ * the depth buffer attachment point.
+ */
+struct gl_renderbuffer_attachment *
+_mesa_get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
+ GLenum attachment)
+{
+ GLuint i;
+
+ assert(fb->Name > 0);
+
+ switch (attachment) {
+ case GL_COLOR_ATTACHMENT0_EXT:
+ case GL_COLOR_ATTACHMENT1_EXT:
+ case GL_COLOR_ATTACHMENT2_EXT:
+ case GL_COLOR_ATTACHMENT3_EXT:
+ case GL_COLOR_ATTACHMENT4_EXT:
+ case GL_COLOR_ATTACHMENT5_EXT:
+ case GL_COLOR_ATTACHMENT6_EXT:
+ case GL_COLOR_ATTACHMENT7_EXT:
+ case GL_COLOR_ATTACHMENT8_EXT:
+ case GL_COLOR_ATTACHMENT9_EXT:
+ case GL_COLOR_ATTACHMENT10_EXT:
+ case GL_COLOR_ATTACHMENT11_EXT:
+ case GL_COLOR_ATTACHMENT12_EXT:
+ case GL_COLOR_ATTACHMENT13_EXT:
+ case GL_COLOR_ATTACHMENT14_EXT:
+ case GL_COLOR_ATTACHMENT15_EXT:
+ i = attachment - GL_COLOR_ATTACHMENT0_EXT;
+ if (i >= ctx->Const.MaxColorAttachments) {
+ return NULL;
+ }
+ return &fb->Attachment[BUFFER_COLOR0 + i];
+ case GL_DEPTH_STENCIL_ATTACHMENT:
+ /* fall-through */
+ case GL_DEPTH_BUFFER:
+ /* fall-through / new in GL 3.0 */
+ case GL_DEPTH_ATTACHMENT_EXT:
+ return &fb->Attachment[BUFFER_DEPTH];
+ case GL_STENCIL_BUFFER:
+ /* fall-through / new in GL 3.0 */
+ case GL_STENCIL_ATTACHMENT_EXT:
+ return &fb->Attachment[BUFFER_STENCIL];
+ default:
+ return NULL;
+ }
+}
+
+
+/**
+ * As above, but only used for getting attachments of the default /
+ * window-system framebuffer (not user-created framebuffer objects).
+ */
+static struct gl_renderbuffer_attachment *
+_mesa_get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
+ GLenum attachment)
+{
+ assert(fb->Name == 0);
+
+ switch (attachment) {
+ case GL_FRONT_LEFT:
+ return &fb->Attachment[BUFFER_FRONT_LEFT];
+ case GL_FRONT_RIGHT:
+ return &fb->Attachment[BUFFER_FRONT_RIGHT];
+ case GL_BACK_LEFT:
+ return &fb->Attachment[BUFFER_BACK_LEFT];
+ case GL_BACK_RIGHT:
+ return &fb->Attachment[BUFFER_BACK_RIGHT];
+ case GL_AUX0:
+ if (fb->Visual.numAuxBuffers == 1) {
+ return &fb->Attachment[BUFFER_AUX0];
+ }
+ return NULL;
+ case GL_DEPTH_BUFFER:
+ /* fall-through / new in GL 3.0 */
+ case GL_DEPTH_ATTACHMENT_EXT:
+ return &fb->Attachment[BUFFER_DEPTH];
+ case GL_STENCIL_BUFFER:
+ /* fall-through / new in GL 3.0 */
+ case GL_STENCIL_ATTACHMENT_EXT:
+ return &fb->Attachment[BUFFER_STENCIL];
+ default:
+ return NULL;
+ }
+}
+
+
+
+/**
+ * Remove any texture or renderbuffer attached to the given attachment
+ * point. Update reference counts, etc.
+ */
+void
+_mesa_remove_attachment(struct gl_context *ctx,
+ struct gl_renderbuffer_attachment *att)
+{
+ if (att->Type == GL_TEXTURE) {
+ ASSERT(att->Texture);
+ if (ctx->Driver.FinishRenderTexture) {
+ /* tell driver that we're done rendering to this texture. */
+ ctx->Driver.FinishRenderTexture(ctx, att);
+ }
+ _mesa_reference_texobj(&att->Texture, NULL); /* unbind */
+ ASSERT(!att->Texture);
+ }
+ if (att->Type == GL_TEXTURE || att->Type == GL_RENDERBUFFER_EXT) {
+ ASSERT(!att->Texture);
+ _mesa_reference_renderbuffer(&att->Renderbuffer, NULL); /* unbind */
+ ASSERT(!att->Renderbuffer);
+ }
+ att->Type = GL_NONE;
+ att->Complete = GL_TRUE;
+}
+
+
+/**
+ * Bind a texture object to an attachment point.
+ * The previous binding, if any, will be removed first.
+ */
+void
+_mesa_set_texture_attachment(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer_attachment *att,
+ struct gl_texture_object *texObj,
+ GLenum texTarget, GLuint level, GLuint zoffset)
+{
+ if (att->Texture == texObj) {
+ /* re-attaching same texture */
+ ASSERT(att->Type == GL_TEXTURE);
+ if (ctx->Driver.FinishRenderTexture)
+ ctx->Driver.FinishRenderTexture(ctx, att);
+ }
+ else {
+ /* new attachment */
+ if (ctx->Driver.FinishRenderTexture && att->Texture)
+ ctx->Driver.FinishRenderTexture(ctx, att);
+ _mesa_remove_attachment(ctx, att);
+ att->Type = GL_TEXTURE;
+ assert(!att->Texture);
+ _mesa_reference_texobj(&att->Texture, texObj);
+ }
+
+ /* always update these fields */
+ att->TextureLevel = level;
+ att->CubeMapFace = _mesa_tex_target_to_face(texTarget);
+ att->Zoffset = zoffset;
+ att->Complete = GL_FALSE;
+
+ if (att->Texture->Image[att->CubeMapFace][att->TextureLevel]) {
+ ctx->Driver.RenderTexture(ctx, fb, att);
+ }
+
+ invalidate_framebuffer(fb);
+}
+
+
+/**
+ * Bind a renderbuffer to an attachment point.
+ * The previous binding, if any, will be removed first.
+ */
+void
+_mesa_set_renderbuffer_attachment(struct gl_context *ctx,
+ struct gl_renderbuffer_attachment *att,
+ struct gl_renderbuffer *rb)
+{
+ /* XXX check if re-doing same attachment, exit early */
+ _mesa_remove_attachment(ctx, att);
+ att->Type = GL_RENDERBUFFER_EXT;
+ att->Texture = NULL; /* just to be safe */
+ att->Complete = GL_FALSE;
+ _mesa_reference_renderbuffer(&att->Renderbuffer, rb);
+}
+
+
+/**
+ * Fallback for ctx->Driver.FramebufferRenderbuffer()
+ * Attach a renderbuffer object to a framebuffer object.
+ */
+void
+_mesa_framebuffer_renderbuffer(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ GLenum attachment, struct gl_renderbuffer *rb)
+{
+ struct gl_renderbuffer_attachment *att;
+
+ _glthread_LOCK_MUTEX(fb->Mutex);
+
+ att = _mesa_get_attachment(ctx, fb, attachment);
+ ASSERT(att);
+ if (rb) {
+ _mesa_set_renderbuffer_attachment(ctx, att, rb);
+ if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
+ /* do stencil attachment here (depth already done above) */
+ att = _mesa_get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
+ assert(att);
+ _mesa_set_renderbuffer_attachment(ctx, att, rb);
+ }
+ }
+ else {
+ _mesa_remove_attachment(ctx, att);
+ }
+
+ invalidate_framebuffer(fb);
+
+ _glthread_UNLOCK_MUTEX(fb->Mutex);
+}
+
+
+/**
+ * Fallback for ctx->Driver.ValidateFramebuffer()
+ * Check if the renderbuffer's formats are supported by the software
+ * renderer.
+ * Drivers should probably override this.
+ */
+void
+_mesa_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
+{
+ gl_buffer_index buf;
+ for (buf = 0; buf < BUFFER_COUNT; buf++) {
+ const struct gl_renderbuffer *rb = fb->Attachment[buf].Renderbuffer;
+ if (rb) {
+ switch (rb->_BaseFormat) {
+ case GL_ALPHA:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE:
+ case GL_INTENSITY:
+ case GL_RED:
+ case GL_RG:
+ fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
+ return;
+ default:
+ /* render buffer format is supported by software rendering */
+ ;
+ }
+ }
+ }
+}
+
+
+/**
+ * For debug only.
+ */
+static void
+att_incomplete(const char *msg)
+{
+#if DEBUG_FBO
+ _mesa_debug(NULL, "attachment incomplete: %s\n", msg);
+#else
+ (void) msg;
+#endif
+}
+
+
+/**
+ * For debug only.
+ */
+static void
+fbo_incomplete(const char *msg, int index)
+{
+#if DEBUG_FBO
+ _mesa_debug(NULL, "FBO Incomplete: %s [%d]\n", msg, index);
+#else
+ (void) msg;
+ (void) index;
+#endif
+}
+
+
+/**
+ * Is the given base format a legal format for a color renderbuffer?
+ */
+GLboolean
+_mesa_is_legal_color_format(const struct gl_context *ctx, GLenum baseFormat)
+{
+ switch (baseFormat) {
+ case GL_RGB:
+ case GL_RGBA:
+ return GL_TRUE;
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ case GL_INTENSITY:
+ case GL_ALPHA:
+ return ctx->Extensions.ARB_framebuffer_object;
+ case GL_RED:
+ case GL_RG:
+ return ctx->Extensions.ARB_texture_rg;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Is the given base format a legal format for a depth/stencil renderbuffer?
+ */
+static GLboolean
+is_legal_depth_format(const struct gl_context *ctx, GLenum baseFormat)
+{
+ switch (baseFormat) {
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_STENCIL_EXT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if an attachment point is complete and update its Complete field.
+ * \param format if GL_COLOR, this is a color attachment point,
+ * if GL_DEPTH, this is a depth component attachment point,
+ * if GL_STENCIL, this is a stencil component attachment point.
+ */
+static void
+test_attachment_completeness(const struct gl_context *ctx, GLenum format,
+ struct gl_renderbuffer_attachment *att)
+{
+ assert(format == GL_COLOR || format == GL_DEPTH || format == GL_STENCIL);
+
+ /* assume complete */
+ att->Complete = GL_TRUE;
+
+ /* Look for reasons why the attachment might be incomplete */
+ if (att->Type == GL_TEXTURE) {
+ const struct gl_texture_object *texObj = att->Texture;
+ struct gl_texture_image *texImage;
+ GLenum baseFormat;
+
+ if (!texObj) {
+ att_incomplete("no texobj");
+ att->Complete = GL_FALSE;
+ return;
+ }
+
+ texImage = texObj->Image[att->CubeMapFace][att->TextureLevel];
+ if (!texImage) {
+ att_incomplete("no teximage");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ if (texImage->Width < 1 || texImage->Height < 1) {
+ att_incomplete("teximage width/height=0");
+ printf("texobj = %u\n", texObj->Name);
+ printf("level = %d\n", att->TextureLevel);
+ att->Complete = GL_FALSE;
+ return;
+ }
+ if (texObj->Target == GL_TEXTURE_3D && att->Zoffset >= texImage->Depth) {
+ att_incomplete("bad z offset");
+ att->Complete = GL_FALSE;
+ return;
+ }
+
+ baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
+
+ if (format == GL_COLOR) {
+ if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
+ att_incomplete("bad format");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ if (_mesa_is_format_compressed(texImage->TexFormat)) {
+ att_incomplete("compressed internalformat");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ }
+ else if (format == GL_DEPTH) {
+ if (baseFormat == GL_DEPTH_COMPONENT) {
+ /* OK */
+ }
+ else if (ctx->Extensions.EXT_packed_depth_stencil &&
+ ctx->Extensions.ARB_depth_texture &&
+ baseFormat == GL_DEPTH_STENCIL_EXT) {
+ /* OK */
+ }
+ else {
+ att->Complete = GL_FALSE;
+ att_incomplete("bad depth format");
+ return;
+ }
+ }
+ else {
+ ASSERT(format == GL_STENCIL);
+ if (ctx->Extensions.EXT_packed_depth_stencil &&
+ ctx->Extensions.ARB_depth_texture &&
+ baseFormat == GL_DEPTH_STENCIL_EXT) {
+ /* OK */
+ }
+ else {
+ /* no such thing as stencil-only textures */
+ att_incomplete("illegal stencil texture");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ }
+ }
+ else if (att->Type == GL_RENDERBUFFER_EXT) {
+ const GLenum baseFormat =
+ _mesa_get_format_base_format(att->Renderbuffer->Format);
+
+ ASSERT(att->Renderbuffer);
+ if (!att->Renderbuffer->InternalFormat ||
+ att->Renderbuffer->Width < 1 ||
+ att->Renderbuffer->Height < 1) {
+ att_incomplete("0x0 renderbuffer");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ if (format == GL_COLOR) {
+ if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
+ att_incomplete("bad renderbuffer color format");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ }
+ else if (format == GL_DEPTH) {
+ if (baseFormat == GL_DEPTH_COMPONENT) {
+ /* OK */
+ }
+ else if (ctx->Extensions.EXT_packed_depth_stencil &&
+ baseFormat == GL_DEPTH_STENCIL_EXT) {
+ /* OK */
+ }
+ else {
+ att_incomplete("bad renderbuffer depth format");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ }
+ else {
+ assert(format == GL_STENCIL);
+ if (baseFormat == GL_STENCIL_INDEX) {
+ /* OK */
+ }
+ else if (ctx->Extensions.EXT_packed_depth_stencil &&
+ baseFormat == GL_DEPTH_STENCIL_EXT) {
+ /* OK */
+ }
+ else {
+ att->Complete = GL_FALSE;
+ att_incomplete("bad renderbuffer stencil format");
+ return;
+ }
+ }
+ }
+ else {
+ ASSERT(att->Type == GL_NONE);
+ /* complete */
+ return;
+ }
+}
+
+
+/**
+ * Test if the given framebuffer object is complete and update its
+ * Status field with the results.
+ * Calls the ctx->Driver.ValidateFramebuffer() function to allow the
+ * driver to make hardware-specific validation/completeness checks.
+ * Also update the framebuffer's Width and Height fields if the
+ * framebuffer is complete.
+ */
+void
+_mesa_test_framebuffer_completeness(struct gl_context *ctx,
+ struct gl_framebuffer *fb)
+{
+ GLuint numImages;
+ GLenum intFormat = GL_NONE; /* color buffers' internal format */
+ GLuint minWidth = ~0, minHeight = ~0, maxWidth = 0, maxHeight = 0;
+ GLint numSamples = -1;
+ GLint i;
+ GLuint j;
+
+ assert(fb->Name != 0);
+
+ numImages = 0;
+ fb->Width = 0;
+ fb->Height = 0;
+
+ /* Start at -2 to more easily loop over all attachment points.
+ * -2: depth buffer
+ * -1: stencil buffer
+ * >=0: color buffer
+ */
+ for (i = -2; i < (GLint) ctx->Const.MaxColorAttachments; i++) {
+ struct gl_renderbuffer_attachment *att;
+ GLenum f;
+ gl_format mesaFormat;
+
+ /*
+ * XXX for ARB_fbo, only check color buffers that are named by
+ * GL_READ_BUFFER and GL_DRAW_BUFFERi.
+ */
+
+ /* check for attachment completeness
+ */
+ if (i == -2) {
+ att = &fb->Attachment[BUFFER_DEPTH];
+ test_attachment_completeness(ctx, GL_DEPTH, att);
+ if (!att->Complete) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
+ fbo_incomplete("depth attachment incomplete", -1);
+ return;
+ }
+ }
+ else if (i == -1) {
+ att = &fb->Attachment[BUFFER_STENCIL];
+ test_attachment_completeness(ctx, GL_STENCIL, att);
+ if (!att->Complete) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
+ fbo_incomplete("stencil attachment incomplete", -1);
+ return;
+ }
+ }
+ else {
+ att = &fb->Attachment[BUFFER_COLOR0 + i];
+ test_attachment_completeness(ctx, GL_COLOR, att);
+ if (!att->Complete) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
+ fbo_incomplete("color attachment incomplete", i);
+ return;
+ }
+ }
+
+ /* get width, height, format of the renderbuffer/texture
+ */
+ if (att->Type == GL_TEXTURE) {
+ const struct gl_texture_image *texImg
+ = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
+ minWidth = MIN2(minWidth, texImg->Width);
+ maxWidth = MAX2(maxWidth, texImg->Width);
+ minHeight = MIN2(minHeight, texImg->Height);
+ maxHeight = MAX2(maxHeight, texImg->Height);
+ f = texImg->_BaseFormat;
+ mesaFormat = texImg->TexFormat;
+ numImages++;
+ if (!_mesa_is_legal_color_format(ctx, f) &&
+ !is_legal_depth_format(ctx, f)) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
+ fbo_incomplete("texture attachment incomplete", -1);
+ return;
+ }
+ }
+ else if (att->Type == GL_RENDERBUFFER_EXT) {
+ minWidth = MIN2(minWidth, att->Renderbuffer->Width);
+ maxWidth = MAX2(minWidth, att->Renderbuffer->Width);
+ minHeight = MIN2(minHeight, att->Renderbuffer->Height);
+ maxHeight = MAX2(minHeight, att->Renderbuffer->Height);
+ f = att->Renderbuffer->InternalFormat;
+ mesaFormat = att->Renderbuffer->Format;
+ numImages++;
+ }
+ else {
+ assert(att->Type == GL_NONE);
+ continue;
+ }
+
+ if (numSamples < 0) {
+ /* first buffer */
+ numSamples = att->Renderbuffer->NumSamples;
+ }
+
+ /* check if integer color */
+ fb->_IntegerColor = _mesa_is_format_integer_color(mesaFormat);
+
+ /* Error-check width, height, format, samples
+ */
+ if (numImages == 1) {
+ /* save format, num samples */
+ if (i >= 0) {
+ intFormat = f;
+ }
+ }
+ else {
+ if (!ctx->Extensions.ARB_framebuffer_object) {
+ /* check that width, height, format are same */
+ if (minWidth != maxWidth || minHeight != maxHeight) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT;
+ fbo_incomplete("width or height mismatch", -1);
+ return;
+ }
+ /* check that all color buffer have same format */
+ if (intFormat != GL_NONE && f != intFormat) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
+ fbo_incomplete("format mismatch", -1);
+ return;
+ }
+ }
+ if (att->Renderbuffer &&
+ att->Renderbuffer->NumSamples != numSamples) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
+ fbo_incomplete("inconsistant number of samples", i);
+ return;
+ }
+
+ }
+ }
+
+#if FEATURE_GL
+ if (ctx->API == API_OPENGL) {
+ /* Check that all DrawBuffers are present */
+ for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
+ if (fb->ColorDrawBuffer[j] != GL_NONE) {
+ const struct gl_renderbuffer_attachment *att
+ = _mesa_get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
+ assert(att);
+ if (att->Type == GL_NONE) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
+ fbo_incomplete("missing drawbuffer", j);
+ return;
+ }
+ }
+ }
+
+ /* Check that the ReadBuffer is present */
+ if (fb->ColorReadBuffer != GL_NONE) {
+ const struct gl_renderbuffer_attachment *att
+ = _mesa_get_attachment(ctx, fb, fb->ColorReadBuffer);
+ assert(att);
+ if (att->Type == GL_NONE) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
+ fbo_incomplete("missing readbuffer", -1);
+ return;
+ }
+ }
+ }
+#else
+ (void) j;
+#endif
+
+ if (numImages == 0) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
+ fbo_incomplete("no attachments", -1);
+ return;
+ }
+
+ /* Provisionally set status = COMPLETE ... */
+ fb->_Status = GL_FRAMEBUFFER_COMPLETE_EXT;
+
+ /* ... but the driver may say the FB is incomplete.
+ * Drivers will most likely set the status to GL_FRAMEBUFFER_UNSUPPORTED
+ * if anything.
+ */
+ if (ctx->Driver.ValidateFramebuffer) {
+ ctx->Driver.ValidateFramebuffer(ctx, fb);
+ if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ fbo_incomplete("driver marked FBO as incomplete", -1);
+ }
+ }
+
+ if (fb->_Status == GL_FRAMEBUFFER_COMPLETE_EXT) {
+ /*
+ * Note that if ARB_framebuffer_object is supported and the attached
+ * renderbuffers/textures are different sizes, the framebuffer
+ * width/height will be set to the smallest width/height.
+ */
+ fb->Width = minWidth;
+ fb->Height = minHeight;
+
+ /* finally, update the visual info for the framebuffer */
+ _mesa_update_framebuffer_visual(ctx, fb);
+ }
+}
+
+
+GLboolean GLAPIENTRY
+_mesa_IsRenderbufferEXT(GLuint renderbuffer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+ if (renderbuffer) {
+ struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
+ if (rb != NULL && rb != &DummyRenderbuffer)
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+}
+
+
+void GLAPIENTRY
+_mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
+{
+ struct gl_renderbuffer *newRb;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target != GL_RENDERBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindRenderbufferEXT(target)");
+ return;
+ }
+
+ /* No need to flush here since the render buffer binding has no
+ * effect on rendering state.
+ */
+
+ if (renderbuffer) {
+ newRb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
+ if (newRb == &DummyRenderbuffer) {
+ /* ID was reserved, but no real renderbuffer object made yet */
+ newRb = NULL;
+ }
+ else if (!newRb && ctx->Extensions.ARB_framebuffer_object) {
+ /* All RB IDs must be Gen'd */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBindRenderbuffer(buffer)");
+ return;
+ }
+
+ if (!newRb) {
+ /* create new renderbuffer object */
+ newRb = ctx->Driver.NewRenderbuffer(ctx, renderbuffer);
+ if (!newRb) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindRenderbufferEXT");
+ return;
+ }
+ ASSERT(newRb->AllocStorage);
+ _mesa_HashInsert(ctx->Shared->RenderBuffers, renderbuffer, newRb);
+ newRb->RefCount = 1; /* referenced by hash table */
+ }
+ }
+ else {
+ newRb = NULL;
+ }
+
+ ASSERT(newRb != &DummyRenderbuffer);
+
+ _mesa_reference_renderbuffer(&ctx->CurrentRenderbuffer, newRb);
+}
+
+
+/**
+ * If the given renderbuffer is anywhere attached to the framebuffer, detach
+ * the renderbuffer.
+ * This is used when a renderbuffer object is deleted.
+ * The spec calls for unbinding.
+ */
+static void
+detach_renderbuffer(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer *rb)
+{
+ GLuint i;
+ for (i = 0; i < BUFFER_COUNT; i++) {
+ if (fb->Attachment[i].Renderbuffer == rb) {
+ _mesa_remove_attachment(ctx, &fb->Attachment[i]);
+ }
+ }
+ invalidate_framebuffer(fb);
+}
+
+
+void GLAPIENTRY
+_mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
+{
+ GLint i;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ for (i = 0; i < n; i++) {
+ if (renderbuffers[i] > 0) {
+ struct gl_renderbuffer *rb;
+ rb = _mesa_lookup_renderbuffer(ctx, renderbuffers[i]);
+ if (rb) {
+ /* check if deleting currently bound renderbuffer object */
+ if (rb == ctx->CurrentRenderbuffer) {
+ /* bind default */
+ ASSERT(rb->RefCount >= 2);
+ _mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
+ }
+
+ if (ctx->DrawBuffer->Name) {
+ detach_renderbuffer(ctx, ctx->DrawBuffer, rb);
+ }
+ if (ctx->ReadBuffer->Name && ctx->ReadBuffer != ctx->DrawBuffer) {
+ detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
+ }
+
+ /* Remove from hash table immediately, to free the ID.
+ * But the object will not be freed until it's no longer
+ * referenced anywhere else.
+ */
+ _mesa_HashRemove(ctx->Shared->RenderBuffers, renderbuffers[i]);
+
+ if (rb != &DummyRenderbuffer) {
+ /* no longer referenced by hash table */
+ _mesa_reference_renderbuffer(&rb, NULL);
+ }
+ }
+ }
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLuint first;
+ GLint i;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (n < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGenRenderbuffersEXT(n)");
+ return;
+ }
+
+ if (!renderbuffers)
+ return;
+
+ first = _mesa_HashFindFreeKeyBlock(ctx->Shared->RenderBuffers, n);
+
+ for (i = 0; i < n; i++) {
+ GLuint name = first + i;
+ renderbuffers[i] = name;
+ /* insert dummy placeholder into hash table */
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ _mesa_HashInsert(ctx->Shared->RenderBuffers, name, &DummyRenderbuffer);
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ }
+}
+
+
+/**
+ * Given an internal format token for a render buffer, return the
+ * corresponding base format (one of GL_RGB, GL_RGBA, GL_STENCIL_INDEX,
+ * GL_DEPTH_COMPONENT, GL_DEPTH_STENCIL_EXT, GL_ALPHA, GL_LUMINANCE,
+ * GL_LUMINANCE_ALPHA, GL_INTENSITY, etc).
+ *
+ * This is similar to _mesa_base_tex_format() but the set of valid
+ * internal formats is different.
+ *
+ * Note that even if a format is determined to be legal here, validation
+ * of the FBO may fail if the format is not supported by the driver/GPU.
+ *
+ * \param internalFormat as passed to glRenderbufferStorage()
+ * \return the base internal format, or 0 if internalFormat is illegal
+ */
+GLenum
+_mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat)
+{
+ /*
+ * Notes: some formats such as alpha, luminance, etc. were added
+ * with GL_ARB_framebuffer_object.
+ */
+ switch (internalFormat) {
+ case GL_ALPHA:
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ return ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
+ case GL_LUMINANCE:
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ return ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE : 0;
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ return ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
+ case GL_INTENSITY:
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ return ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
+ case GL_RGB:
+ case GL_R3_G3_B2:
+ case GL_RGB4:
+ case GL_RGB5:
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ case GL_SRGB8_EXT:
+ return GL_RGB;
+ case GL_RGBA:
+ case GL_RGBA2:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ case GL_RGBA16_SNORM:
+ case GL_SRGB8_ALPHA8_EXT:
+ return GL_RGBA;
+ case GL_STENCIL_INDEX:
+ case GL_STENCIL_INDEX1_EXT:
+ case GL_STENCIL_INDEX4_EXT:
+ case GL_STENCIL_INDEX8_EXT:
+ case GL_STENCIL_INDEX16_EXT:
+ return GL_STENCIL_INDEX;
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ return GL_DEPTH_COMPONENT;
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH24_STENCIL8_EXT:
+ if (ctx->Extensions.EXT_packed_depth_stencil)
+ return GL_DEPTH_STENCIL_EXT;
+ else
+ return 0;
+ case GL_RED:
+ case GL_R8:
+ case GL_R16:
+ return ctx->Extensions.ARB_texture_rg ? GL_RED : 0;
+ case GL_RG:
+ case GL_RG8:
+ case GL_RG16:
+ return ctx->Extensions.ARB_texture_rg ? GL_RG : 0;
+ /* XXX add floating point and integer formats eventually */
+ default:
+ return 0;
+ }
+}
+
+
+/** sentinal value, see below */
+#define NO_SAMPLES 1000
+
+
+/**
+ * Helper function used by _mesa_RenderbufferStorageEXT() and
+ * _mesa_RenderbufferStorageMultisample().
+ * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorageEXT().
+ */
+static void
+renderbuffer_storage(GLenum target, GLenum internalFormat,
+ GLsizei width, GLsizei height, GLsizei samples)
+{
+ const char *func = samples == NO_SAMPLES ?
+ "glRenderbufferStorage" : "RenderbufferStorageMultisample";
+ struct gl_renderbuffer *rb;
+ GLenum baseFormat;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target != GL_RENDERBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func);
+ return;
+ }
+
+ baseFormat = _mesa_base_fbo_format(ctx, internalFormat);
+ if (baseFormat == 0) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat)", func);
+ return;
+ }
+
+ if (width < 1 || width > (GLsizei) ctx->Const.MaxRenderbufferSize) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(width)", func);
+ return;
+ }
+
+ if (height < 1 || height > (GLsizei) ctx->Const.MaxRenderbufferSize) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(height)", func);
+ return;
+ }
+
+ if (samples == NO_SAMPLES) {
+ /* NumSamples == 0 indicates non-multisampling */
+ samples = 0;
+ }
+ else if (samples > (GLsizei) ctx->Const.MaxSamples) {
+ /* note: driver may choose to use more samples than what's requested */
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(samples)", func);
+ return;
+ }
+
+ rb = ctx->CurrentRenderbuffer;
+ if (!rb) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ if (rb->InternalFormat == internalFormat &&
+ rb->Width == (GLuint) width &&
+ rb->Height == (GLuint) height) {
+ /* no change in allocation needed */
+ return;
+ }
+
+ /* These MUST get set by the AllocStorage func */
+ rb->Format = MESA_FORMAT_NONE;
+ rb->NumSamples = samples;
+
+ /* Now allocate the storage */
+ ASSERT(rb->AllocStorage);
+ if (rb->AllocStorage(ctx, rb, internalFormat, width, height)) {
+ /* No error - check/set fields now */
+ assert(rb->Format != MESA_FORMAT_NONE);
+ assert(rb->Width == (GLuint) width);
+ assert(rb->Height == (GLuint) height);
+ rb->InternalFormat = internalFormat;
+ rb->_BaseFormat = baseFormat;
+ assert(rb->_BaseFormat != 0);
+ }
+ else {
+ /* Probably ran out of memory - clear the fields */
+ rb->Width = 0;
+ rb->Height = 0;
+ rb->Format = MESA_FORMAT_NONE;
+ rb->InternalFormat = GL_NONE;
+ rb->_BaseFormat = GL_NONE;
+ rb->NumSamples = 0;
+ }
+
+ /*
+ test_framebuffer_completeness(ctx, fb);
+ */
+ /* XXX if this renderbuffer is attached anywhere, invalidate attachment
+ * points???
+ */
+}
+
+
+#if FEATURE_OES_EGL_image
+void GLAPIENTRY
+_mesa_EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
+{
+ struct gl_renderbuffer *rb;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (!ctx->Extensions.OES_EGL_image) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glEGLImageTargetRenderbufferStorageOES(unsupported)");
+ return;
+ }
+
+ if (target != GL_RENDERBUFFER) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "EGLImageTargetRenderbufferStorageOES");
+ return;
+ }
+
+ rb = ctx->CurrentRenderbuffer;
+ if (!rb) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "EGLImageTargetRenderbufferStorageOES");
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ ctx->Driver.EGLImageTargetRenderbufferStorage(ctx, rb, image);
+}
+#endif
+
+
+/**
+ * Helper function for _mesa_GetRenderbufferParameterivEXT() and
+ * _mesa_GetFramebufferAttachmentParameterivEXT()
+ * We have to be careful to respect the base format. For example, if a
+ * renderbuffer/texture was created with internalFormat=GL_RGB but the
+ * driver actually chose a GL_RGBA format, when the user queries ALPHA_SIZE
+ * we need to return zero.
+ */
+static GLint
+get_component_bits(GLenum pname, GLenum baseFormat, gl_format format)
+{
+ switch (pname) {
+ case GL_RENDERBUFFER_RED_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+ if (baseFormat == GL_RGB || baseFormat == GL_RGBA ||
+ baseFormat == GL_RG || baseFormat == GL_RED)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ case GL_RENDERBUFFER_GREEN_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+ if (baseFormat == GL_RGB || baseFormat == GL_RGBA || baseFormat == GL_RG)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ case GL_RENDERBUFFER_BLUE_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+ if (baseFormat == GL_RGB || baseFormat == GL_RGBA)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+ if (baseFormat == GL_RGBA || baseFormat == GL_ALPHA ||
+ baseFormat == GL_LUMINANCE_ALPHA)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+ if (baseFormat == GL_DEPTH_COMPONENT || baseFormat == GL_DEPTH_STENCIL)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+ if (baseFormat == GL_STENCIL_INDEX || baseFormat == GL_DEPTH_STENCIL)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ default:
+ return 0;
+ }
+}
+
+
+
+void GLAPIENTRY
+_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
+ GLsizei width, GLsizei height)
+{
+ /* GL_ARB_fbo says calling this function is equivalent to calling
+ * glRenderbufferStorageMultisample() with samples=0. We pass in
+ * a token value here just for error reporting purposes.
+ */
+ renderbuffer_storage(target, internalFormat, width, height, NO_SAMPLES);
+}
+
+
+void GLAPIENTRY
+_mesa_RenderbufferStorageMultisample(GLenum target, GLsizei samples,
+ GLenum internalFormat,
+ GLsizei width, GLsizei height)
+{
+ renderbuffer_storage(target, internalFormat, width, height, samples);
+}
+
+
+/**
+ * OpenGL ES version of glRenderBufferStorage.
+ */
+void GLAPIENTRY
+_es_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
+ GLsizei width, GLsizei height)
+{
+ switch (internalFormat) {
+ case GL_RGB565:
+ /* XXX this confuses GL_RENDERBUFFER_INTERNAL_FORMAT_OES */
+ /* choose a closest format */
+ internalFormat = GL_RGB5;
+ break;
+ default:
+ break;
+ }
+
+ renderbuffer_storage(target, internalFormat, width, height, 0);
+}
+
+
+void GLAPIENTRY
+_mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
+{
+ struct gl_renderbuffer *rb;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target != GL_RENDERBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetRenderbufferParameterivEXT(target)");
+ return;
+ }
+
+ rb = ctx->CurrentRenderbuffer;
+ if (!rb) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetRenderbufferParameterivEXT");
+ return;
+ }
+
+ /* No need to flush here since we're just quering state which is
+ * not effected by rendering.
+ */
+
+ switch (pname) {
+ case GL_RENDERBUFFER_WIDTH_EXT:
+ *params = rb->Width;
+ return;
+ case GL_RENDERBUFFER_HEIGHT_EXT:
+ *params = rb->Height;
+ return;
+ case GL_RENDERBUFFER_INTERNAL_FORMAT_EXT:
+ *params = rb->InternalFormat;
+ return;
+ case GL_RENDERBUFFER_RED_SIZE_EXT:
+ case GL_RENDERBUFFER_GREEN_SIZE_EXT:
+ case GL_RENDERBUFFER_BLUE_SIZE_EXT:
+ case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
+ case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
+ case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
+ *params = get_component_bits(pname, rb->_BaseFormat, rb->Format);
+ break;
+ case GL_RENDERBUFFER_SAMPLES:
+ if (ctx->Extensions.ARB_framebuffer_object) {
+ *params = rb->NumSamples;
+ break;
+ }
+ /* fallthrough */
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetRenderbufferParameterivEXT(target)");
+ return;
+ }
+}
+
+
+GLboolean GLAPIENTRY
+_mesa_IsFramebufferEXT(GLuint framebuffer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+ if (framebuffer) {
+ struct gl_framebuffer *rb = _mesa_lookup_framebuffer(ctx, framebuffer);
+ if (rb != NULL && rb != &DummyFramebuffer)
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+}
+
+
+/**
+ * Check if any of the attachments of the given framebuffer are textures
+ * (render to texture). Call ctx->Driver.RenderTexture() for such
+ * attachments.
+ */
+static void
+check_begin_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
+{
+ GLuint i;
+ ASSERT(ctx->Driver.RenderTexture);
+
+ if (fb->Name == 0)
+ return; /* can't render to texture with winsys framebuffers */
+
+ for (i = 0; i < BUFFER_COUNT; i++) {
+ struct gl_renderbuffer_attachment *att = fb->Attachment + i;
+ struct gl_texture_object *texObj = att->Texture;
+ if (texObj
+ && texObj->Image[att->CubeMapFace][att->TextureLevel]) {
+ ctx->Driver.RenderTexture(ctx, fb, att);
+ }
+ }
+}
+
+
+/**
+ * Examine all the framebuffer's attachments to see if any are textures.
+ * If so, call ctx->Driver.FinishRenderTexture() for each texture to
+ * notify the device driver that the texture image may have changed.
+ */
+static void
+check_end_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
+{
+ if (fb->Name == 0)
+ return; /* can't render to texture with winsys framebuffers */
+
+ if (ctx->Driver.FinishRenderTexture) {
+ GLuint i;
+ for (i = 0; i < BUFFER_COUNT; i++) {
+ struct gl_renderbuffer_attachment *att = fb->Attachment + i;
+ if (att->Texture && att->Renderbuffer) {
+ ctx->Driver.FinishRenderTexture(ctx, att);
+ }
+ }
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
+{
+ struct gl_framebuffer *newDrawFb, *newReadFb;
+ struct gl_framebuffer *oldDrawFb, *oldReadFb;
+ GLboolean bindReadBuf, bindDrawBuf;
+ GET_CURRENT_CONTEXT(ctx);
+
+#ifdef DEBUG
+ if (ctx->Extensions.ARB_framebuffer_object) {
+ ASSERT(ctx->Extensions.EXT_framebuffer_object);
+ ASSERT(ctx->Extensions.EXT_framebuffer_blit);
+ }
+#endif
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (!ctx->Extensions.EXT_framebuffer_object) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindFramebufferEXT(unsupported)");
+ return;
+ }
+
+ switch (target) {
+#if FEATURE_EXT_framebuffer_blit
+ case GL_DRAW_FRAMEBUFFER_EXT:
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
+ return;
+ }
+ bindDrawBuf = GL_TRUE;
+ bindReadBuf = GL_FALSE;
+ break;
+ case GL_READ_FRAMEBUFFER_EXT:
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
+ return;
+ }
+ bindDrawBuf = GL_FALSE;
+ bindReadBuf = GL_TRUE;
+ break;
+#endif
+ case GL_FRAMEBUFFER_EXT:
+ bindDrawBuf = GL_TRUE;
+ bindReadBuf = GL_TRUE;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
+ return;
+ }
+
+ if (framebuffer) {
+ /* Binding a user-created framebuffer object */
+ newDrawFb = _mesa_lookup_framebuffer(ctx, framebuffer);
+ if (newDrawFb == &DummyFramebuffer) {
+ /* ID was reserved, but no real framebuffer object made yet */
+ newDrawFb = NULL;
+ }
+ else if (!newDrawFb && ctx->Extensions.ARB_framebuffer_object) {
+ /* All FBO IDs must be Gen'd */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBindFramebuffer(buffer)");
+ return;
+ }
+
+ if (!newDrawFb) {
+ /* create new framebuffer object */
+ newDrawFb = ctx->Driver.NewFramebuffer(ctx, framebuffer);
+ if (!newDrawFb) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFramebufferEXT");
+ return;
+ }
+ _mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newDrawFb);
+ }
+ newReadFb = newDrawFb;
+ }
+ else {
+ /* Binding the window system framebuffer (which was originally set
+ * with MakeCurrent).
+ */
+ newDrawFb = ctx->WinSysDrawBuffer;
+ newReadFb = ctx->WinSysReadBuffer;
+ }
+
+ ASSERT(newDrawFb);
+ ASSERT(newDrawFb != &DummyFramebuffer);
+
+ /* save pointers to current/old framebuffers */
+ oldDrawFb = ctx->DrawBuffer;
+ oldReadFb = ctx->ReadBuffer;
+
+ /* check if really changing bindings */
+ if (oldDrawFb == newDrawFb)
+ bindDrawBuf = GL_FALSE;
+ if (oldReadFb == newReadFb)
+ bindReadBuf = GL_FALSE;
+
+ /*
+ * OK, now bind the new Draw/Read framebuffers, if they're changing.
+ *
+ * We also check if we're beginning and/or ending render-to-texture.
+ * When a framebuffer with texture attachments is unbound, call
+ * ctx->Driver.FinishRenderTexture().
+ * When a framebuffer with texture attachments is bound, call
+ * ctx->Driver.RenderTexture().
+ *
+ * Note that if the ReadBuffer has texture attachments we don't consider
+ * that a render-to-texture case.
+ */
+ if (bindReadBuf) {
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ /* check if old readbuffer was render-to-texture */
+ check_end_texture_render(ctx, oldReadFb);
+
+ _mesa_reference_framebuffer(&ctx->ReadBuffer, newReadFb);
+ }
+
+ if (bindDrawBuf) {
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ /* check if old read/draw buffers were render-to-texture */
+ if (!bindReadBuf)
+ check_end_texture_render(ctx, oldReadFb);
+
+ if (oldDrawFb != oldReadFb)
+ check_end_texture_render(ctx, oldDrawFb);
+
+ /* check if newly bound framebuffer has any texture attachments */
+ check_begin_texture_render(ctx, newDrawFb);
+
+ _mesa_reference_framebuffer(&ctx->DrawBuffer, newDrawFb);
+ }
+
+ if ((bindDrawBuf || bindReadBuf) && ctx->Driver.BindFramebuffer) {
+ ctx->Driver.BindFramebuffer(ctx, target, newDrawFb, newReadFb);
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
+{
+ GLint i;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ for (i = 0; i < n; i++) {
+ if (framebuffers[i] > 0) {
+ struct gl_framebuffer *fb;
+ fb = _mesa_lookup_framebuffer(ctx, framebuffers[i]);
+ if (fb) {
+ ASSERT(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
+
+ /* check if deleting currently bound framebuffer object */
+ if (ctx->Extensions.EXT_framebuffer_blit) {
+ /* separate draw/read binding points */
+ if (fb == ctx->DrawBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+ }
+ if (fb == ctx->ReadBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
+ }
+ }
+ else {
+ /* only one binding point for read/draw buffers */
+ if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+ }
+ }
+
+ /* remove from hash table immediately, to free the ID */
+ _mesa_HashRemove(ctx->Shared->FrameBuffers, framebuffers[i]);
+
+ if (fb != &DummyFramebuffer) {
+ /* But the object will not be freed until it's no longer
+ * bound in any context.
+ */
+ _mesa_reference_framebuffer(&fb, NULL);
+ }
+ }
+ }
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GenFramebuffersEXT(GLsizei n, GLuint *framebuffers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLuint first;
+ GLint i;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (n < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGenFramebuffersEXT(n)");
+ return;
+ }
+
+ if (!framebuffers)
+ return;
+
+ first = _mesa_HashFindFreeKeyBlock(ctx->Shared->FrameBuffers, n);
+
+ for (i = 0; i < n; i++) {
+ GLuint name = first + i;
+ framebuffers[i] = name;
+ /* insert dummy placeholder into hash table */
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ _mesa_HashInsert(ctx->Shared->FrameBuffers, name, &DummyFramebuffer);
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ }
+}
+
+
+
+GLenum GLAPIENTRY
+_mesa_CheckFramebufferStatusEXT(GLenum target)
+{
+ struct gl_framebuffer *buffer;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+
+ switch (target) {
+#if FEATURE_EXT_framebuffer_blit
+ case GL_DRAW_FRAMEBUFFER_EXT:
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
+ return 0;
+ }
+ buffer = ctx->DrawBuffer;
+ break;
+ case GL_READ_FRAMEBUFFER_EXT:
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
+ return 0;
+ }
+ buffer = ctx->ReadBuffer;
+ break;
+#endif
+ case GL_FRAMEBUFFER_EXT:
+ buffer = ctx->DrawBuffer;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
+ return 0; /* formerly GL_FRAMEBUFFER_STATUS_ERROR_EXT */
+ }
+
+ if (buffer->Name == 0) {
+ /* The window system / default framebuffer is always complete */
+ return GL_FRAMEBUFFER_COMPLETE_EXT;
+ }
+
+ /* No need to flush here */
+
+ if (buffer->_Status != GL_FRAMEBUFFER_COMPLETE) {
+ _mesa_test_framebuffer_completeness(ctx, buffer);
+ }
+
+ return buffer->_Status;
+}
+
+
+
+/**
+ * Common code called by glFramebufferTexture1D/2D/3DEXT().
+ */
+static void
+framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
+ GLenum attachment, GLenum textarget, GLuint texture,
+ GLint level, GLint zoffset)
+{
+ struct gl_renderbuffer_attachment *att;
+ struct gl_texture_object *texObj = NULL;
+ struct gl_framebuffer *fb;
+ GLboolean error = GL_FALSE;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ switch (target) {
+ case GL_READ_FRAMEBUFFER_EXT:
+ error = !ctx->Extensions.EXT_framebuffer_blit;
+ fb = ctx->ReadBuffer;
+ break;
+ case GL_DRAW_FRAMEBUFFER_EXT:
+ error = !ctx->Extensions.EXT_framebuffer_blit;
+ /* fall-through */
+ case GL_FRAMEBUFFER_EXT:
+ fb = ctx->DrawBuffer;
+ break;
+ default:
+ error = GL_TRUE;
+ }
+
+ if (error) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture%sEXT(target=0x%x)", caller, target);
+ return;
+ }
+
+ ASSERT(fb);
+
+ /* check framebuffer binding */
+ if (fb->Name == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture%sEXT", caller);
+ return;
+ }
+
+
+ /* The textarget, level, and zoffset parameters are only validated if
+ * texture is non-zero.
+ */
+ if (texture) {
+ GLboolean err = GL_TRUE;
+
+ texObj = _mesa_lookup_texture(ctx, texture);
+ if (texObj != NULL) {
+ if (textarget == 0) {
+ /* XXX what's the purpose of this? */
+ err = (texObj->Target != GL_TEXTURE_3D) &&
+ (texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
+ (texObj->Target != GL_TEXTURE_2D_ARRAY_EXT);
+ }
+ else {
+ err = (texObj->Target == GL_TEXTURE_CUBE_MAP)
+ ? !IS_CUBE_FACE(textarget)
+ : (texObj->Target != textarget);
+ }
+ }
+ else {
+ /* can't render to a non-existant texture */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture%sEXT(non existant texture)",
+ caller);
+ return;
+ }
+
+ if (err) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture%sEXT(texture target mismatch)",
+ caller);
+ return;
+ }
+
+ if (texObj->Target == GL_TEXTURE_3D) {
+ const GLint maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
+ if (zoffset < 0 || zoffset >= maxSize) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture%sEXT(zoffset)", caller);
+ return;
+ }
+ }
+ else if ((texObj->Target == GL_TEXTURE_1D_ARRAY_EXT) ||
+ (texObj->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
+ if (zoffset < 0 || zoffset >= ctx->Const.MaxArrayTextureLayers) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture%sEXT(layer)", caller);
+ return;
+ }
+ }
+
+ if ((level < 0) ||
+ (level >= _mesa_max_texture_levels(ctx, texObj->Target))) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture%sEXT(level)", caller);
+ return;
+ }
+ }
+
+ att = _mesa_get_attachment(ctx, fb, attachment);
+ if (att == NULL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture%sEXT(attachment)", caller);
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ _glthread_LOCK_MUTEX(fb->Mutex);
+ if (texObj) {
+ _mesa_set_texture_attachment(ctx, fb, att, texObj, textarget,
+ level, zoffset);
+ /* Set the render-to-texture flag. We'll check this flag in
+ * glTexImage() and friends to determine if we need to revalidate
+ * any FBOs that might be rendering into this texture.
+ * This flag never gets cleared since it's non-trivial to determine
+ * when all FBOs might be done rendering to this texture. That's OK
+ * though since it's uncommon to render to a texture then repeatedly
+ * call glTexImage() to change images in the texture.
+ */
+ texObj->_RenderToTexture = GL_TRUE;
+ }
+ else {
+ _mesa_remove_attachment(ctx, att);
+ }
+
+ invalidate_framebuffer(fb);
+
+ _glthread_UNLOCK_MUTEX(fb->Mutex);
+}
+
+
+
+void GLAPIENTRY
+_mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
+ GLenum textarget, GLuint texture, GLint level)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if ((texture != 0) && (textarget != GL_TEXTURE_1D)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture1DEXT(textarget)");
+ return;
+ }
+
+ framebuffer_texture(ctx, "1D", target, attachment, textarget, texture,
+ level, 0);
+}
+
+
+void GLAPIENTRY
+_mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
+ GLenum textarget, GLuint texture, GLint level)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if ((texture != 0) &&
+ (textarget != GL_TEXTURE_2D) &&
+ (textarget != GL_TEXTURE_RECTANGLE_ARB) &&
+ (!IS_CUBE_FACE(textarget))) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture2DEXT(textarget=0x%x)", textarget);
+ return;
+ }
+
+ framebuffer_texture(ctx, "2D", target, attachment, textarget, texture,
+ level, 0);
+}
+
+
+void GLAPIENTRY
+_mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
+ GLenum textarget, GLuint texture,
+ GLint level, GLint zoffset)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if ((texture != 0) && (textarget != GL_TEXTURE_3D)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture3DEXT(textarget)");
+ return;
+ }
+
+ framebuffer_texture(ctx, "3D", target, attachment, textarget, texture,
+ level, zoffset);
+}
+
+
+void GLAPIENTRY
+_mesa_FramebufferTextureLayerEXT(GLenum target, GLenum attachment,
+ GLuint texture, GLint level, GLint layer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ framebuffer_texture(ctx, "Layer", target, attachment, 0, texture,
+ level, layer);
+}
+
+
+void GLAPIENTRY
+_mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
+ GLenum renderbufferTarget,
+ GLuint renderbuffer)
+{
+ struct gl_renderbuffer_attachment *att;
+ struct gl_framebuffer *fb;
+ struct gl_renderbuffer *rb;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ switch (target) {
+#if FEATURE_EXT_framebuffer_blit
+ case GL_DRAW_FRAMEBUFFER_EXT:
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferRenderbufferEXT(target)");
+ return;
+ }
+ fb = ctx->DrawBuffer;
+ break;
+ case GL_READ_FRAMEBUFFER_EXT:
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferRenderbufferEXT(target)");
+ return;
+ }
+ fb = ctx->ReadBuffer;
+ break;
+#endif
+ case GL_FRAMEBUFFER_EXT:
+ fb = ctx->DrawBuffer;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferRenderbufferEXT(target)");
+ return;
+ }
+
+ if (renderbufferTarget != GL_RENDERBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferRenderbufferEXT(renderbufferTarget)");
+ return;
+ }
+
+ if (fb->Name == 0) {
+ /* Can't attach new renderbuffers to a window system framebuffer */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glFramebufferRenderbufferEXT");
+ return;
+ }
+
+ att = _mesa_get_attachment(ctx, fb, attachment);
+ if (att == NULL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferRenderbufferEXT(invalid attachment %s)",
+ _mesa_lookup_enum_by_nr(attachment));
+ return;
+ }
+
+ if (renderbuffer) {
+ rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
+ if (!rb) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferRenderbufferEXT(non-existant"
+ " renderbuffer %u)", renderbuffer);
+ return;
+ }
+ else if (rb == &DummyRenderbuffer) {
+ /* This is what NVIDIA does */
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferRenderbufferEXT(renderbuffer %u)",
+ renderbuffer);
+ return;
+ }
+ }
+ else {
+ /* remove renderbuffer attachment */
+ rb = NULL;
+ }
+
+ if (attachment == GL_DEPTH_STENCIL_ATTACHMENT &&
+ rb && rb->Format != MESA_FORMAT_NONE) {
+ /* make sure the renderbuffer is a depth/stencil format */
+ const GLenum baseFormat = _mesa_get_format_base_format(rb->Format);
+ if (baseFormat != GL_DEPTH_STENCIL) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferRenderbufferEXT(renderbuffer"
+ " is not DEPTH_STENCIL format)");
+ return;
+ }
+ }
+
+
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ assert(ctx->Driver.FramebufferRenderbuffer);
+ ctx->Driver.FramebufferRenderbuffer(ctx, fb, attachment, rb);
+
+ /* Some subsequent GL commands may depend on the framebuffer's visual
+ * after the binding is updated. Update visual info now.
+ */
+ _mesa_update_framebuffer_visual(ctx, fb);
+}
+
+
+void GLAPIENTRY
+_mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
+ GLenum pname, GLint *params)
+{
+ const struct gl_renderbuffer_attachment *att;
+ struct gl_framebuffer *buffer;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ switch (target) {
+#if FEATURE_EXT_framebuffer_blit
+ case GL_DRAW_FRAMEBUFFER_EXT:
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(target)");
+ return;
+ }
+ buffer = ctx->DrawBuffer;
+ break;
+ case GL_READ_FRAMEBUFFER_EXT:
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(target)");
+ return;
+ }
+ buffer = ctx->ReadBuffer;
+ break;
+#endif
+ case GL_FRAMEBUFFER_EXT:
+ buffer = ctx->DrawBuffer;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(target)");
+ return;
+ }
+
+ if (buffer->Name == 0) {
+ /* the default / window-system FBO */
+ att = _mesa_get_fb0_attachment(ctx, buffer, attachment);
+ }
+ else {
+ /* user-created framebuffer FBO */
+ att = _mesa_get_attachment(ctx, buffer, attachment);
+ }
+
+ if (att == NULL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(attachment)");
+ return;
+ }
+
+ if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
+ /* the depth and stencil attachments must point to the same buffer */
+ const struct gl_renderbuffer_attachment *depthAtt, *stencilAtt;
+ depthAtt = _mesa_get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT);
+ stencilAtt = _mesa_get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
+ if (depthAtt->Renderbuffer != stencilAtt->Renderbuffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFramebufferAttachmentParameterivEXT(DEPTH/STENCIL"
+ " attachments differ)");
+ return;
+ }
+ }
+
+ /* No need to flush here */
+
+ switch (pname) {
+ case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT:
+ *params = buffer->Name == 0 ? GL_FRAMEBUFFER_DEFAULT : att->Type;
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT:
+ if (att->Type == GL_RENDERBUFFER_EXT) {
+ *params = att->Renderbuffer->Name;
+ }
+ else if (att->Type == GL_TEXTURE) {
+ *params = att->Texture->Name;
+ }
+ else {
+ assert(att->Type == GL_NONE);
+ *params = 0;
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT:
+ if (att->Type == GL_TEXTURE) {
+ *params = att->TextureLevel;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT:
+ if (att->Type == GL_TEXTURE) {
+ if (att->Texture && att->Texture->Target == GL_TEXTURE_CUBE_MAP) {
+ *params = GL_TEXTURE_CUBE_MAP_POSITIVE_X + att->CubeMapFace;
+ }
+ else {
+ *params = 0;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT:
+ if (att->Type == GL_TEXTURE) {
+ if (att->Texture && att->Texture->Target == GL_TEXTURE_3D) {
+ *params = att->Zoffset;
+ }
+ else {
+ *params = 0;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
+ if (!ctx->Extensions.ARB_framebuffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ else {
+ if (ctx->Extensions.EXT_framebuffer_sRGB) {
+ *params = _mesa_get_format_color_encoding(att->Renderbuffer->Format);
+ }
+ else {
+ /* According to ARB_framebuffer_sRGB, we should return LINEAR
+ * if the sRGB conversion is unsupported. */
+ *params = GL_LINEAR;
+ }
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
+ if (!ctx->Extensions.ARB_framebuffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ return;
+ }
+ else {
+ gl_format format = att->Renderbuffer->Format;
+ if (format == MESA_FORMAT_CI8 || format == MESA_FORMAT_S8) {
+ /* special cases */
+ *params = GL_INDEX;
+ }
+ else {
+ *params = _mesa_get_format_datatype(format);
+ }
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+ case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+ case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+ case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+ case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+ case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+ if (!ctx->Extensions.ARB_framebuffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ else if (att->Texture) {
+ const struct gl_texture_image *texImage =
+ _mesa_select_tex_image(ctx, att->Texture, att->Texture->Target,
+ att->TextureLevel);
+ if (texImage) {
+ *params = get_component_bits(pname, texImage->_BaseFormat,
+ texImage->TexFormat);
+ }
+ else {
+ *params = 0;
+ }
+ }
+ else if (att->Renderbuffer) {
+ *params = get_component_bits(pname, att->Renderbuffer->_BaseFormat,
+ att->Renderbuffer->Format);
+ }
+ else {
+ *params = 0;
+ }
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ return;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GenerateMipmapEXT(GLenum target)
+{
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_3D:
+ case GL_TEXTURE_CUBE_MAP:
+ /* OK, legal value */
+ break;
+ default:
+ /* XXX need to implement GL_TEXTURE_1D_ARRAY and GL_TEXTURE_2D_ARRAY */
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target)");
+ return;
+ }
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
+ if (texObj->BaseLevel >= texObj->MaxLevel) {
+ /* nothing to do */
+ return;
+ }
+
+ if (texObj->Target == GL_TEXTURE_CUBE_MAP &&
+ !_mesa_cube_complete(texObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGenerateMipmap(incomplete cube map)");
+ return;
+ }
+
+ _mesa_lock_texture(ctx, texObj);
+ if (target == GL_TEXTURE_CUBE_MAP) {
+ GLuint face;
+ for (face = 0; face < 6; face++)
+ ctx->Driver.GenerateMipmap(ctx,
+ GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB + face,
+ texObj);
+ }
+ else {
+ ctx->Driver.GenerateMipmap(ctx, target, texObj);
+ }
+ _mesa_unlock_texture(ctx, texObj);
+}
+
+
+#if FEATURE_EXT_framebuffer_blit
+
+static const struct gl_renderbuffer_attachment *
+find_attachment(const struct gl_framebuffer *fb,
+ const struct gl_renderbuffer *rb)
+{
+ GLuint i;
+ for (i = 0; i < Elements(fb->Attachment); i++) {
+ if (fb->Attachment[i].Renderbuffer == rb)
+ return &fb->Attachment[i];
+ }
+ return NULL;
+}
+
+
+
+/**
+ * Blit rectangular region, optionally from one framebuffer to another.
+ *
+ * Note, if the src buffer is multisampled and the dest is not, this is
+ * when the samples must be resolved to a single color.
+ */
+void GLAPIENTRY
+_mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
+ GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
+ GLbitfield mask, GLenum filter)
+{
+ const GLbitfield legalMaskBits = (GL_COLOR_BUFFER_BIT |
+ GL_DEPTH_BUFFER_BIT |
+ GL_STENCIL_BUFFER_BIT);
+ const struct gl_framebuffer *readFb, *drawFb;
+ const struct gl_renderbuffer *colorReadRb, *colorDrawRb;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ if (ctx->NewState) {
+ _mesa_update_state(ctx);
+ }
+
+ readFb = ctx->ReadBuffer;
+ drawFb = ctx->DrawBuffer;
+
+ if (!readFb || !drawFb) {
+ /* This will normally never happen but someday we may want to
+ * support MakeCurrent() with no drawables.
+ */
+ return;
+ }
+
+ /* check for complete framebuffers */
+ if (drawFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT ||
+ readFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
+ "glBlitFramebufferEXT(incomplete draw/read buffers)");
+ return;
+ }
+
+ if (filter != GL_NEAREST && filter != GL_LINEAR) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlitFramebufferEXT(filter)");
+ return;
+ }
+
+ if (mask & ~legalMaskBits) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glBlitFramebufferEXT(mask)");
+ return;
+ }
+
+ /* depth/stencil must be blitted with nearest filtering */
+ if ((mask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT))
+ && filter != GL_NEAREST) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter");
+ return;
+ }
+
+ /* get color read/draw renderbuffers */
+ if (mask & GL_COLOR_BUFFER_BIT) {
+ colorReadRb = readFb->_ColorReadBuffer;
+ colorDrawRb = drawFb->_ColorDrawBuffers[0];
+ }
+ else {
+ colorReadRb = colorDrawRb = NULL;
+ }
+
+ if (mask & GL_STENCIL_BUFFER_BIT) {
+ struct gl_renderbuffer *readRb = readFb->_StencilBuffer;
+ struct gl_renderbuffer *drawRb = drawFb->_StencilBuffer;
+ if (!readRb ||
+ !drawRb ||
+ _mesa_get_format_bits(readRb->Format, GL_STENCIL_BITS) !=
+ _mesa_get_format_bits(drawRb->Format, GL_STENCIL_BITS)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(stencil buffer size mismatch");
+ return;
+ }
+ }
+
+ if (mask & GL_DEPTH_BUFFER_BIT) {
+ struct gl_renderbuffer *readRb = readFb->_DepthBuffer;
+ struct gl_renderbuffer *drawRb = drawFb->_DepthBuffer;
+ if (!readRb ||
+ !drawRb ||
+ _mesa_get_format_bits(readRb->Format, GL_DEPTH_BITS) !=
+ _mesa_get_format_bits(drawRb->Format, GL_DEPTH_BITS)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(depth buffer size mismatch");
+ return;
+ }
+ }
+
+ if (readFb->Visual.samples > 0 &&
+ drawFb->Visual.samples > 0 &&
+ readFb->Visual.samples != drawFb->Visual.samples) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(mismatched samples");
+ return;
+ }
+
+ /* extra checks for multisample copies... */
+ if (readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) {
+ /* src and dest region sizes must be the same */
+ if (srcX1 - srcX0 != dstX1 - dstX0 ||
+ srcY1 - srcY0 != dstY1 - dstY0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(bad src/dst multisample region sizes");
+ return;
+ }
+
+ /* color formats must match */
+ if (colorReadRb &&
+ colorDrawRb &&
+ colorReadRb->Format != colorDrawRb->Format) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(bad src/dst multisample pixel formats");
+ return;
+ }
+ }
+
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT");
+ return;
+ }
+
+ /* Debug code */
+ if (DEBUG_BLIT) {
+ printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d,"
+ " 0x%x, 0x%x)\n",
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1,
+ mask, filter);
+ if (colorReadRb) {
+ const struct gl_renderbuffer_attachment *att;
+
+ att = find_attachment(readFb, colorReadRb);
+ printf(" Src FBO %u RB %u (%dx%d) ",
+ readFb->Name, colorReadRb->Name,
+ colorReadRb->Width, colorReadRb->Height);
+ if (att && att->Texture) {
+ printf("Tex %u tgt 0x%x level %u face %u",
+ att->Texture->Name,
+ att->Texture->Target,
+ att->TextureLevel,
+ att->CubeMapFace);
+ }
+ printf("\n");
+
+ att = find_attachment(drawFb, colorDrawRb);
+ printf(" Dst FBO %u RB %u (%dx%d) ",
+ drawFb->Name, colorDrawRb->Name,
+ colorDrawRb->Width, colorDrawRb->Height);
+ if (att && att->Texture) {
+ printf("Tex %u tgt 0x%x level %u face %u",
+ att->Texture->Name,
+ att->Texture->Target,
+ att->TextureLevel,
+ att->CubeMapFace);
+ }
+ printf("\n");
+ }
+ }
+
+ ASSERT(ctx->Driver.BlitFramebuffer);
+ ctx->Driver.BlitFramebuffer(ctx,
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1,
+ mask, filter);
+}
+#endif /* FEATURE_EXT_framebuffer_blit */
+
+#if FEATURE_ARB_geometry_shader4
+void GLAPIENTRY
+_mesa_FramebufferTextureARB(GLenum target, GLenum attachment,
+ GLuint texture, GLint level)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTextureARB "
+ "not implemented!");
+}
+
+void GLAPIENTRY
+_mesa_FramebufferTextureFaceARB(GLenum target, GLenum attachment,
+ GLuint texture, GLint level, GLenum face)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTextureFaceARB "
+ "not implemented!");
+}
+#endif /* FEATURE_ARB_geometry_shader4 */
diff --git a/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c b/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c
index a9e05c9c4..98be6ab75 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c
@@ -99,7 +99,7 @@ create_color_map_texture(struct gl_context *ctx)
/* create texture for color map/table */
pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0,
- texSize, texSize, 1, PIPE_BIND_SAMPLER_VIEW);
+ texSize, texSize, 1, 1, PIPE_BIND_SAMPLER_VIEW);
return pt;
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
index a3e39dd49..ddd130a81 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
@@ -276,7 +276,7 @@ make_bitmap_texture(struct gl_context *ctx, GLsizei width, GLsizei height,
* Create texture to hold bitmap pattern.
*/
pt = st_texture_create(st, st->internal_target, st->bitmap.tex_format,
- 0, width, height, 1,
+ 0, width, height, 1, 1,
PIPE_BIND_SAMPLER_VIEW);
if (!pt) {
_mesa_unmap_pbo_source(ctx, unpack);
@@ -559,7 +559,7 @@ reset_cache(struct st_context *st)
cache->texture = st_texture_create(st, PIPE_TEXTURE_2D,
st->bitmap.tex_format, 0,
BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT,
- 1,
+ 1, 1,
PIPE_BIND_SAMPLER_VIEW);
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index 8d3eece4d..56c7e8581 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -343,7 +343,7 @@ alloc_texture(struct st_context *st, GLsizei width, GLsizei height,
struct pipe_resource *pt;
pt = st_texture_create(st, st->internal_target, texFormat, 0,
- width, height, 1, PIPE_BIND_SAMPLER_VIEW);
+ width, height, 1, 1, PIPE_BIND_SAMPLER_VIEW);
return pt;
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 9653dcd65..ff04f3364 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -1,2021 +1,2033 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-#include "main/mfeatures.h"
-#include "main/bufferobj.h"
-#include "main/enums.h"
-#include "main/fbobject.h"
-#include "main/formats.h"
-#include "main/image.h"
-#include "main/imports.h"
-#include "main/macros.h"
-#include "main/mipmap.h"
-#include "main/pack.h"
-#include "main/pixeltransfer.h"
-#include "main/texcompress.h"
-#include "main/texfetch.h"
-#include "main/texgetimage.h"
-#include "main/teximage.h"
-#include "main/texobj.h"
-#include "main/texstore.h"
-
-#include "state_tracker/st_debug.h"
-#include "state_tracker/st_context.h"
-#include "state_tracker/st_cb_fbo.h"
-#include "state_tracker/st_cb_flush.h"
-#include "state_tracker/st_cb_texture.h"
-#include "state_tracker/st_format.h"
-#include "state_tracker/st_texture.h"
-#include "state_tracker/st_gen_mipmap.h"
-#include "state_tracker/st_atom.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-#include "pipe/p_shader_tokens.h"
-#include "util/u_tile.h"
-#include "util/u_blit.h"
-#include "util/u_format.h"
-#include "util/u_surface.h"
-#include "util/u_sampler.h"
-#include "util/u_math.h"
-#include "util/u_box.h"
-
-#define DBG if (0) printf
-
-
-static enum pipe_texture_target
-gl_target_to_pipe(GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- return PIPE_TEXTURE_1D;
- case GL_TEXTURE_2D:
- return PIPE_TEXTURE_2D;
- case GL_TEXTURE_RECTANGLE_NV:
- return PIPE_TEXTURE_RECT;
- case GL_TEXTURE_3D:
- return PIPE_TEXTURE_3D;
- case GL_TEXTURE_CUBE_MAP_ARB:
- return PIPE_TEXTURE_CUBE;
- case GL_TEXTURE_1D_ARRAY_EXT:
- return PIPE_TEXTURE_1D_ARRAY;
- case GL_TEXTURE_2D_ARRAY_EXT:
- return PIPE_TEXTURE_2D_ARRAY;
- default:
- assert(0);
- return 0;
- }
-}
-
-
-/** called via ctx->Driver.NewTextureImage() */
-static struct gl_texture_image *
-st_NewTextureImage(struct gl_context * ctx)
-{
- DBG("%s\n", __FUNCTION__);
- (void) ctx;
- return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image);
-}
-
-
-/** called via ctx->Driver.NewTextureObject() */
-static struct gl_texture_object *
-st_NewTextureObject(struct gl_context * ctx, GLuint name, GLenum target)
-{
- struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object);
-
- DBG("%s\n", __FUNCTION__);
- _mesa_initialize_texture_object(&obj->base, name, target);
-
- return &obj->base;
-}
-
-/** called via ctx->Driver.DeleteTextureObject() */
-static void
-st_DeleteTextureObject(struct gl_context *ctx,
- struct gl_texture_object *texObj)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_object *stObj = st_texture_object(texObj);
- if (stObj->pt)
- pipe_resource_reference(&stObj->pt, NULL);
- if (stObj->sampler_view) {
- if (stObj->sampler_view->context != st->pipe) {
- /* Take "ownership" of this texture sampler view by setting
- * its context pointer to this context. This avoids potential
- * crashes when the texture object is shared among contexts
- * and the original/owner context has already been destroyed.
- */
- stObj->sampler_view->context = st->pipe;
- }
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
- }
- _mesa_delete_texture_object(ctx, texObj);
-}
-
-
-/** called via ctx->Driver.FreeTexImageData() */
-static void
-st_FreeTextureImageData(struct gl_context * ctx, struct gl_texture_image *texImage)
-{
- struct st_texture_image *stImage = st_texture_image(texImage);
-
- DBG("%s\n", __FUNCTION__);
-
- if (stImage->pt) {
- pipe_resource_reference(&stImage->pt, NULL);
- }
-
- if (texImage->Data) {
- _mesa_align_free(texImage->Data);
- texImage->Data = NULL;
- }
-}
-
-
-/**
- * From linux kernel i386 header files, copes with odd sizes better
- * than COPY_DWORDS would:
- * XXX Put this in src/mesa/main/imports.h ???
- */
-#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86)
-static INLINE void *
-__memcpy(void *to, const void *from, size_t n)
-{
- int d0, d1, d2;
- __asm__ __volatile__("rep ; movsl\n\t"
- "testb $2,%b4\n\t"
- "je 1f\n\t"
- "movsw\n"
- "1:\ttestb $1,%b4\n\t"
- "je 2f\n\t"
- "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2)
- :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from)
- :"memory");
- return (to);
-}
-#else
-#define __memcpy(a,b,c) memcpy(a,b,c)
-#endif
-
-
-/**
- * The system memcpy (at least on ubuntu 5.10) has problems copying
- * to agp (writecombined) memory from a source which isn't 64-byte
- * aligned - there is a 4x performance falloff.
- *
- * The x86 __memcpy is immune to this but is slightly slower
- * (10%-ish) than the system memcpy.
- *
- * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
- * isn't much faster than x86_memcpy for agp copies.
- *
- * TODO: switch dynamically.
- */
-static void *
-do_memcpy(void *dest, const void *src, size_t n)
-{
- if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) {
- return __memcpy(dest, src, n);
- }
- else
- return memcpy(dest, src, n);
-}
-
-
-/**
- * Return default texture resource binding bitmask for the given format.
- */
-static GLuint
-default_bindings(struct st_context *st, enum pipe_format format)
-{
- struct pipe_screen *screen = st->pipe->screen;
- const unsigned target = PIPE_TEXTURE_2D;
- const unsigned geom = 0x0;
- unsigned bindings;
-
- if (util_format_is_depth_or_stencil(format))
- bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL;
- else
- bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
-
- if (screen->is_format_supported(screen, format, target, 0, bindings, geom))
- return bindings;
- else
- return PIPE_BIND_SAMPLER_VIEW;
-}
-
-
-/** Return number of image dimensions (1, 2 or 3) for a texture target. */
-static GLuint
-get_texture_dims(GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_TEXTURE_1D_ARRAY_EXT:
- return 1;
- case GL_TEXTURE_2D:
- case GL_TEXTURE_CUBE_MAP_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_TEXTURE_2D_ARRAY_EXT:
- return 2;
- case GL_TEXTURE_3D:
- return 3;
- default:
- assert(0 && "invalid texture target in get_texture_dims()");
- return 1;
- }
-}
-
-
-/**
- * Try to allocate a pipe_resource object for the given st_texture_object.
- *
- * We use the given st_texture_image as a clue to determine the size of the
- * mipmap image at level=0.
- *
- * \return GL_TRUE for success, GL_FALSE if out of memory.
- */
-static GLboolean
-guess_and_alloc_texture(struct st_context *st,
- struct st_texture_object *stObj,
- const struct st_texture_image *stImage)
-{
- const GLuint dims = get_texture_dims(stObj->base.Target);
- GLuint level, lastLevel, width, height, depth;
- GLuint bindings;
- enum pipe_format fmt;
-
- DBG("%s\n", __FUNCTION__);
-
- assert(!stObj->pt);
-
- level = stImage->level;
- width = stImage->base.Width2; /* size w/out border */
- height = stImage->base.Height2;
- depth = stImage->base.Depth2;
-
- assert(width > 0);
- assert(height > 0);
- assert(depth > 0);
-
- /* Depending on the image's size, we can't always make a guess here.
- */
- if (level > 0) {
- if ( (dims >= 1 && width == 1) ||
- (dims >= 2 && height == 1) ||
- (dims >= 3 && depth == 1) ) {
- /* we can't determine the image size at level=0 */
- stObj->width0 = stObj->height0 = stObj->depth0 = 0;
- /* this is not an out of memory error */
- return GL_TRUE;
- }
- }
-
- /* grow the image size until we hit level = 0 */
- while (level > 0) {
- if (width != 1)
- width <<= 1;
- if (height != 1)
- height <<= 1;
- if (depth != 1)
- depth <<= 1;
- level--;
- }
-
- assert(level == 0);
-
- /* At this point, (width x height x depth) is the expected size of
- * the level=0 mipmap image.
- */
-
- /* Guess a reasonable value for lastLevel. With OpenGL we have no
- * idea how many mipmap levels will be in a texture until we start
- * to render with it. Make an educated guess here but be prepared
- * to re-allocating a texture buffer with space for more (or fewer)
- * mipmap levels later.
- */
- if ((stObj->base.MinFilter == GL_NEAREST ||
- stObj->base.MinFilter == GL_LINEAR ||
- stImage->base._BaseFormat == GL_DEPTH_COMPONENT ||
- stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) &&
- !stObj->base.GenerateMipmap &&
- stImage->level == 0) {
- /* only alloc space for a single mipmap level */
- lastLevel = 0;
- }
- else {
- /* alloc space for a full mipmap */
- GLuint l2width = util_logbase2(width);
- GLuint l2height = util_logbase2(height);
- GLuint l2depth = util_logbase2(depth);
- lastLevel = MAX2(MAX2(l2width, l2height), l2depth);
- }
-
- /* Save the level=0 dimensions */
- stObj->width0 = width;
- stObj->height0 = height;
- stObj->depth0 = depth;
-
- fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat);
-
- bindings = default_bindings(st, fmt);
-
- stObj->pt = st_texture_create(st,
- gl_target_to_pipe(stObj->base.Target),
- fmt,
- lastLevel,
- width,
- height,
- depth,
- bindings);
-
- DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL));
-
- return stObj->pt != NULL;
-}
-
-
-/**
- * Adjust pixel unpack params and image dimensions to strip off the
- * texture border.
- * Gallium doesn't support texture borders. They've seldem been used
- * and seldom been implemented correctly anyway.
- * \param unpackNew returns the new pixel unpack parameters
- */
-static void
-strip_texture_border(GLint border,
- GLint *width, GLint *height, GLint *depth,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_pixelstore_attrib *unpackNew)
-{
- assert(border > 0); /* sanity check */
-
- *unpackNew = *unpack;
-
- if (unpackNew->RowLength == 0)
- unpackNew->RowLength = *width;
-
- if (depth && unpackNew->ImageHeight == 0)
- unpackNew->ImageHeight = *height;
-
- unpackNew->SkipPixels += border;
- if (height)
- unpackNew->SkipRows += border;
- if (depth)
- unpackNew->SkipImages += border;
-
- assert(*width >= 3);
- *width = *width - 2 * border;
- if (height && *height >= 3)
- *height = *height - 2 * border;
- if (depth && *depth >= 3)
- *depth = *depth - 2 * border;
-}
-
-
-/**
- * Try to do texture compression via rendering. If the Gallium driver
- * can render into a compressed surface this will allow us to do texture
- * compression.
- * \return GL_TRUE for success, GL_FALSE for failure
- */
-static GLboolean
-compress_with_blit(struct gl_context * ctx,
- GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint width, GLint height, GLint depth,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_texture_image *texImage)
-{
- const GLuint dstImageOffsets[1] = {0};
- struct st_texture_image *stImage = st_texture_image(texImage);
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct pipe_screen *screen = pipe->screen;
- gl_format mesa_format;
- struct pipe_resource templ;
- struct pipe_resource *src_tex;
- struct pipe_sampler_view view_templ;
- struct pipe_sampler_view *src_view;
- struct pipe_surface *dst_surface, surf_tmpl;
- struct pipe_transfer *tex_xfer;
- void *map;
-
- if (!stImage->pt) {
- /* XXX: Can this happen? Should we assert? */
- return GL_FALSE;
- }
-
- /* get destination surface (in the compressed texture) */
- memset(&surf_tmpl, 0, sizeof(surf_tmpl));
- surf_tmpl.format = stImage->pt->format;
- surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
- surf_tmpl.u.tex.level = stImage->level;
- surf_tmpl.u.tex.first_layer = stImage->face;
- surf_tmpl.u.tex.last_layer = stImage->face;
- dst_surface = pipe->create_surface(pipe, stImage->pt, &surf_tmpl);
- if (!dst_surface) {
- /* can't render into this format (or other problem) */
- return GL_FALSE;
- }
-
- /* Choose format for the temporary RGBA texture image.
- */
- mesa_format = st_ChooseTextureFormat(ctx, GL_RGBA, format, type);
- assert(mesa_format);
- if (!mesa_format)
- return GL_FALSE;
-
- /* Create the temporary source texture
- */
- memset(&templ, 0, sizeof(templ));
- templ.target = st->internal_target;
- templ.format = st_mesa_format_to_pipe_format(mesa_format);
- templ.width0 = width;
- templ.height0 = height;
- templ.depth0 = 1;
- templ.array_size = 1;
- templ.last_level = 0;
- templ.usage = PIPE_USAGE_DEFAULT;
- templ.bind = PIPE_BIND_SAMPLER_VIEW;
- src_tex = screen->resource_create(screen, &templ);
-
- if (!src_tex)
- return GL_FALSE;
-
- /* Put user's tex data into the temporary texture
- */
- tex_xfer = pipe_get_transfer(st_context(ctx)->pipe, src_tex,
- 0, 0, /* layer, level are zero */
- PIPE_TRANSFER_WRITE,
- 0, 0, width, height); /* x, y, w, h */
- map = pipe_transfer_map(pipe, tex_xfer);
-
- _mesa_texstore(ctx, 2, GL_RGBA, mesa_format,
- map, /* dest ptr */
- 0, 0, 0, /* dest x/y/z offset */
- tex_xfer->stride, /* dest row stride (bytes) */
- dstImageOffsets, /* image offsets (for 3D only) */
- width, height, 1, /* size */
- format, type, /* source format/type */
- pixels, /* source data */
- unpack); /* source data packing */
-
- pipe_transfer_unmap(pipe, tex_xfer);
- pipe->transfer_destroy(pipe, tex_xfer);
-
- /* Create temporary sampler view */
- u_sampler_view_default_template(&view_templ,
- src_tex,
- src_tex->format);
- src_view = pipe->create_sampler_view(pipe, src_tex, &view_templ);
-
-
- /* copy / compress image */
- util_blit_pixels_tex(st->blit,
- src_view, /* sampler view (src) */
- 0, 0, /* src x0, y0 */
- width, height, /* src x1, y1 */
- dst_surface, /* pipe_surface (dst) */
- xoffset, yoffset, /* dst x0, y0 */
- xoffset + width, /* dst x1 */
- yoffset + height, /* dst y1 */
- 0.0, /* z */
- PIPE_TEX_MIPFILTER_NEAREST);
-
- pipe_surface_reference(&dst_surface, NULL);
- pipe_resource_reference(&src_tex, NULL);
- pipe_sampler_view_reference(&src_view, NULL);
-
- return GL_TRUE;
-}
-
-
-/**
- * Do glTexImage1/2/3D().
- */
-static void
-st_TexImage(struct gl_context * ctx,
- GLint dims,
- GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint depth,
- GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLsizei imageSize, GLboolean compressed_src)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_screen *screen = st->pipe->screen;
- struct st_texture_object *stObj = st_texture_object(texObj);
- struct st_texture_image *stImage = st_texture_image(texImage);
- GLuint dstRowStride = 0;
- struct gl_pixelstore_attrib unpackNB;
- enum pipe_transfer_usage transfer_usage = 0;
-
- DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
-
- /* switch to "normal" */
- if (stObj->surface_based) {
- gl_format texFormat;
-
- _mesa_clear_texture_object(ctx, texObj);
- pipe_resource_reference(&stObj->pt, NULL);
-
- /* oops, need to init this image again */
- texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, format, type);
-
- _mesa_init_teximage_fields(ctx, target, texImage,
- width, height, depth, border,
- internalFormat, texFormat);
-
- stObj->surface_based = GL_FALSE;
- }
-
- /* gallium does not support texture borders, strip it off */
- if (border) {
- strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB);
- unpack = &unpackNB;
- texImage->Width = width;
- texImage->Height = height;
- texImage->Depth = depth;
- texImage->Border = 0;
- border = 0;
- }
- else {
- assert(texImage->Width == width);
- assert(texImage->Height == height);
- assert(texImage->Depth == depth);
- }
-
- stImage->face = _mesa_tex_target_to_face(target);
- stImage->level = level;
-
- _mesa_set_fetch_functions(texImage, dims);
-
- /* Release the reference to a potentially orphaned buffer.
- * Release any old malloced memory.
- */
- if (stImage->pt) {
- pipe_resource_reference(&stImage->pt, NULL);
- assert(!texImage->Data);
- }
- else if (texImage->Data) {
- _mesa_align_free(texImage->Data);
- }
-
- /*
- * See if the new image is somehow incompatible with the existing
- * mipmap. If so, free the old mipmap.
- */
- if (stObj->pt) {
- if (level > (GLint) stObj->pt->last_level ||
- !st_texture_match_image(stObj->pt, &stImage->base,
- stImage->face, stImage->level)) {
- DBG("release it\n");
- pipe_resource_reference(&stObj->pt, NULL);
- assert(!stObj->pt);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
- }
- }
-
- if (width == 0 || height == 0 || depth == 0) {
- /* stop after freeing old image */
- return;
- }
-
- if (!stObj->pt) {
- if (!guess_and_alloc_texture(st, stObj, stImage)) {
- /* Probably out of memory.
- * Try flushing any pending rendering, then retry.
- */
- st_finish(st);
- if (!guess_and_alloc_texture(st, stObj, stImage)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- return;
- }
- }
- }
-
- assert(!stImage->pt);
-
- /* Check if this texture image can live inside the texture object's buffer.
- * If so, store the image there. Otherwise the image will temporarily live
- * in its own buffer.
- */
- if (stObj->pt &&
- st_texture_match_image(stObj->pt, &stImage->base,
- stImage->face, stImage->level)) {
-
- pipe_resource_reference(&stImage->pt, stObj->pt);
- assert(stImage->pt);
- }
-
- if (!stImage->pt)
- DBG("XXX: Image did not fit into texture - storing in local memory!\n");
-
- /* Pixel data may come from regular user memory or a PBO. For the later,
- * do bounds checking and map the PBO to read pixels data from it.
- *
- * XXX we should try to use a GPU-accelerated path to copy the image data
- * from the PBO to the texture.
- */
- if (compressed_src) {
- pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
- unpack,
- "glCompressedTexImage");
- }
- else {
- pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
- format, type,
- pixels, unpack, "glTexImage");
- }
-
- /* See if we can do texture compression with a blit/render.
- */
- if (!compressed_src &&
- !ctx->Mesa_DXTn &&
- _mesa_is_format_compressed(texImage->TexFormat) &&
- screen->is_format_supported(screen,
- stImage->pt->format,
- stImage->pt->target, 0,
- PIPE_BIND_RENDER_TARGET, 0)) {
- if (!pixels)
- goto done;
-
- if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth,
- format, type, pixels, unpack, texImage)) {
- goto done;
- }
- }
-
- /*
- * Prepare to store the texture data. Either map the gallium texture buffer
- * memory or malloc space for it.
- */
- if (stImage->pt) {
- /* Store the image in the gallium texture memory buffer */
- if (format == GL_DEPTH_COMPONENT &&
- util_format_is_depth_and_stencil(stImage->pt->format))
- transfer_usage = PIPE_TRANSFER_READ_WRITE;
- else
- transfer_usage = PIPE_TRANSFER_WRITE;
-
- texImage->Data = st_texture_image_map(st, stImage, 0,
- transfer_usage, 0, 0, width, height);
- if(stImage->transfer)
- dstRowStride = stImage->transfer->stride;
- }
- else {
- /* Allocate regular memory and store the image there temporarily. */
- GLuint imageSize = _mesa_format_image_size(texImage->TexFormat,
- width, height, depth);
- dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width);
-
- texImage->Data = _mesa_align_malloc(imageSize, 16);
- }
-
- if (!texImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- return;
- }
-
- if (!pixels) {
- /* We've allocated texture memory, but have no pixel data - all done. */
- goto done;
- }
-
- DBG("Upload image %dx%dx%d row_len %x pitch %x\n",
- width, height, depth, width, dstRowStride);
-
- /* Copy user texture image into the texture buffer.
- */
- if (compressed_src) {
- const GLuint srcRowStride =
- _mesa_format_row_stride(texImage->TexFormat, width);
- if (dstRowStride == srcRowStride) {
- memcpy(texImage->Data, pixels, imageSize);
- }
- else {
- char *dst = texImage->Data;
- const char *src = pixels;
- GLuint i, bw, bh, lines;
- _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
- lines = (height + bh - 1) / bh;
-
- for (i = 0; i < lines; ++i) {
- memcpy(dst, src, srcRowStride);
- dst += dstRowStride;
- src += srcRowStride;
- }
- }
- }
- else {
- const GLuint srcImageStride =
- _mesa_image_image_stride(unpack, width, height, format, type);
- GLint i;
- const GLubyte *src = (const GLubyte *) pixels;
-
- for (i = 0; i < depth; i++) {
- if (!_mesa_texstore(ctx, dims,
- texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- 0, 0, 0, /* dstX/Y/Zoffset */
- dstRowStride,
- texImage->ImageOffsets,
- width, height, 1,
- format, type, src, unpack)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- }
-
- if (stImage->pt && i + 1 < depth) {
- /* unmap this slice */
- st_texture_image_unmap(st, stImage);
- /* map next slice of 3D texture */
- texImage->Data = st_texture_image_map(st, stImage, i + 1,
- transfer_usage, 0, 0,
- width, height);
- src += srcImageStride;
- }
- }
- }
-
-done:
- _mesa_unmap_teximage_pbo(ctx, unpack);
-
- if (stImage->pt && texImage->Data) {
- st_texture_image_unmap(st, stImage);
- texImage->Data = NULL;
- }
-}
-
-
-static void
-st_TexImage3D(struct gl_context * ctx,
- GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint depth,
- GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth,
- border, format, type, pixels, unpack, texObj, texImage,
- 0, GL_FALSE);
-}
-
-
-static void
-st_TexImage2D(struct gl_context * ctx,
- GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
- format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
-}
-
-
-static void
-st_TexImage1D(struct gl_context * ctx,
- GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border,
- format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
-}
-
-
-static void
-st_CompressedTexImage2D(struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
- 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE);
-}
-
-
-
-/**
- * glGetTexImage() helper: decompress a compressed texture by rendering
- * a textured quad. Store the results in the user's buffer.
- */
-static void
-decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level,
- GLenum format, GLenum type, GLvoid *pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct st_texture_image *stImage = st_texture_image(texImage);
- struct st_texture_object *stObj = st_texture_object(texObj);
- struct pipe_sampler_view *src_view =
- st_get_texture_sampler_view(stObj, pipe);
- const GLuint width = texImage->Width;
- const GLuint height = texImage->Height;
- struct pipe_surface *dst_surface;
- struct pipe_resource *dst_texture;
- struct pipe_transfer *tex_xfer;
- unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */
- PIPE_BIND_TRANSFER_READ);
-
- /* create temp / dest surface */
- if (!util_create_rgba_surface(pipe, width, height, bind,
- &dst_texture, &dst_surface)) {
- _mesa_problem(ctx, "util_create_rgba_surface() failed "
- "in decompress_with_blit()");
- return;
- }
-
- /* blit/render/decompress */
- util_blit_pixels_tex(st->blit,
- src_view, /* pipe_resource (src) */
- 0, 0, /* src x0, y0 */
- width, height, /* src x1, y1 */
- dst_surface, /* pipe_surface (dst) */
- 0, 0, /* dst x0, y0 */
- width, height, /* dst x1, y1 */
- 0.0, /* z */
- PIPE_TEX_MIPFILTER_NEAREST);
-
- /* map the dst_surface so we can read from it */
- tex_xfer = pipe_get_transfer(st_context(ctx)->pipe,
- dst_texture, 0, 0,
- PIPE_TRANSFER_READ,
- 0, 0, width, height);
-
- pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
-
- /* copy/pack data into user buffer */
- if (st_equal_formats(stImage->pt->format, format, type)) {
- /* memcpy */
- const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
- ubyte *map = pipe_transfer_map(pipe, tex_xfer);
- GLuint row;
- for (row = 0; row < height; row++) {
- GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
- height, format, type, row, 0);
- memcpy(dest, map, bytesPerRow);
- map += tex_xfer->stride;
- }
- pipe_transfer_unmap(pipe, tex_xfer);
- }
- else {
- /* format translation via floats */
- GLuint row;
- enum pipe_format format = util_format_linear(dst_texture->format);
- for (row = 0; row < height; row++) {
- const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
- GLfloat rgba[4 * MAX_WIDTH];
- GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
- height, format, type, row, 0);
-
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s: fallback format translation\n", __FUNCTION__);
-
- /* get float[4] rgba row from surface */
- pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1,
- format, rgba);
-
- _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
- type, dest, &ctx->Pack, transferOps);
- }
- }
-
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-
- pipe->transfer_destroy(pipe, tex_xfer);
-
- /* destroy the temp / dest surface */
- util_destroy_rgba_surface(dst_texture, dst_surface);
-}
-
-
-
-/**
- * Need to map texture image into memory before copying image data,
- * then unmap it.
- */
-static void
-st_get_tex_image(struct gl_context * ctx, GLenum target, GLint level,
- GLenum format, GLenum type, GLvoid * pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage, GLboolean compressed_dst)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_image *stImage = st_texture_image(texImage);
- const GLuint dstImageStride =
- _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height,
- format, type);
- GLuint depth, i;
- GLubyte *dest;
-
- if (stImage->pt &&
- util_format_is_s3tc(stImage->pt->format) &&
- !compressed_dst) {
- /* Need to decompress the texture.
- * We'll do this by rendering a textured quad.
- * Note that we only expect RGBA formats (no Z/depth formats).
- */
- decompress_with_blit(ctx, target, level, format, type, pixels,
- texObj, texImage);
- return;
- }
-
- /* Map */
- if (stImage->pt) {
- /* Image is stored in hardware format in a buffer managed by the
- * kernel. Need to explicitly map and unmap it.
- */
- texImage->Data = st_texture_image_map(st, stImage, 0,
- PIPE_TRANSFER_READ, 0, 0,
- stImage->base.Width,
- stImage->base.Height);
- /* compute stride in texels from stride in bytes */
- texImage->RowStride = stImage->transfer->stride
- * util_format_get_blockwidth(stImage->pt->format)
- / util_format_get_blocksize(stImage->pt->format);
- }
- else {
- /* Otherwise, the image should actually be stored in
- * texImage->Data. This is pretty confusing for
- * everybody, I'd much prefer to separate the two functions of
- * texImage->Data - storage for texture images in main memory
- * and access (ie mappings) of images. In other words, we'd
- * create a new texImage->Map field and leave Data simply for
- * storage.
- */
- assert(texImage->Data);
- }
-
- depth = texImage->Depth;
- texImage->Depth = 1;
-
- dest = (GLubyte *) pixels;
-
- _mesa_set_fetch_functions(texImage, get_texture_dims(target));
-
- for (i = 0; i < depth; i++) {
- if (compressed_dst) {
- _mesa_get_compressed_teximage(ctx, target, level, dest,
- texObj, texImage);
- }
- else {
- _mesa_get_teximage(ctx, target, level, format, type, dest,
- texObj, texImage);
- }
-
- if (stImage->pt && i + 1 < depth) {
- /* unmap this slice */
- st_texture_image_unmap(st, stImage);
- /* map next slice of 3D texture */
- texImage->Data = st_texture_image_map(st, stImage, i + 1,
- PIPE_TRANSFER_READ, 0, 0,
- stImage->base.Width,
- stImage->base.Height);
- dest += dstImageStride;
- }
- }
-
- texImage->Depth = depth;
-
- /* Unmap */
- if (stImage->pt) {
- st_texture_image_unmap(st, stImage);
- texImage->Data = NULL;
- }
-}
-
-
-static void
-st_GetTexImage(struct gl_context * ctx, GLenum target, GLint level,
- GLenum format, GLenum type, GLvoid * pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage,
- GL_FALSE);
-}
-
-
-static void
-st_GetCompressedTexImage(struct gl_context *ctx, GLenum target, GLint level,
- GLvoid *pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage,
- GL_TRUE);
-}
-
-
-
-static void
-st_TexSubimage(struct gl_context *ctx, GLint dims, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint width, GLint height, GLint depth,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_screen *screen = st->pipe->screen;
- struct st_texture_image *stImage = st_texture_image(texImage);
- GLuint dstRowStride;
- const GLuint srcImageStride =
- _mesa_image_image_stride(packing, width, height, format, type);
- GLint i;
- const GLubyte *src;
- /* init to silence warning only: */
- enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE;
-
- DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(target),
- level, xoffset, yoffset, width, height);
-
- pixels =
- _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format,
- type, pixels, packing, "glTexSubImage2D");
- if (!pixels)
- return;
-
- /* See if we can do texture compression with a blit/render.
- */
- if (!ctx->Mesa_DXTn &&
- _mesa_is_format_compressed(texImage->TexFormat) &&
- screen->is_format_supported(screen,
- stImage->pt->format,
- stImage->pt->target, 0,
- PIPE_BIND_RENDER_TARGET, 0)) {
- if (compress_with_blit(ctx, target, level,
- xoffset, yoffset, zoffset,
- width, height, depth,
- format, type, pixels, packing, texImage)) {
- goto done;
- }
- }
-
- /* Map buffer if necessary. Need to lock to prevent other contexts
- * from uploading the buffer under us.
- */
- if (stImage->pt) {
- if (format == GL_DEPTH_COMPONENT &&
- util_format_is_depth_and_stencil(stImage->pt->format))
- transfer_usage = PIPE_TRANSFER_READ_WRITE;
- else
- transfer_usage = PIPE_TRANSFER_WRITE;
-
- texImage->Data = st_texture_image_map(st, stImage, zoffset,
- transfer_usage,
- xoffset, yoffset,
- width, height);
- }
-
- if (!texImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
- goto done;
- }
-
- src = (const GLubyte *) pixels;
- dstRowStride = stImage->transfer->stride;
-
- for (i = 0; i < depth; i++) {
- if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- 0, 0, 0,
- dstRowStride,
- texImage->ImageOffsets,
- width, height, 1,
- format, type, src, packing)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
- }
-
- if (stImage->pt && i + 1 < depth) {
- /* unmap this slice */
- st_texture_image_unmap(st, stImage);
- /* map next slice of 3D texture */
- texImage->Data = st_texture_image_map(st, stImage,
- zoffset + i + 1,
- transfer_usage,
- xoffset, yoffset,
- width, height);
- src += srcImageStride;
- }
- }
-
-done:
- _mesa_unmap_teximage_pbo(ctx, packing);
-
- if (stImage->pt && texImage->Data) {
- st_texture_image_unmap(st, stImage);
- texImage->Data = NULL;
- }
-}
-
-
-
-static void
-st_TexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset,
- width, height, depth, format, type,
- pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_TexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type, const GLvoid * pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0,
- width, height, 1, format, type,
- pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_TexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLsizei width, GLenum format, GLenum type,
- const GLvoid * pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1,
- format, type, pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_CompressedTexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLsizei width,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- assert(0);
-}
-
-
-static void
-st_CompressedTexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLint height,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_image *stImage = st_texture_image(texImage);
- int srcBlockStride;
- int dstBlockStride;
- int y;
- enum pipe_format pformat;
-
- if (stImage->pt) {
- pformat = stImage->pt->format;
-
- texImage->Data = st_texture_image_map(st, stImage, 0,
- PIPE_TRANSFER_WRITE,
- xoffset, yoffset,
- width, height);
-
- srcBlockStride = util_format_get_stride(pformat, width);
- dstBlockStride = stImage->transfer->stride;
- } else {
- assert(stImage->pt);
- /* TODO find good values for block and strides */
- /* TODO also adjust texImage->data for yoffset/xoffset */
- return;
- }
-
- if (!texImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage");
- return;
- }
-
- assert(xoffset % util_format_get_blockwidth(pformat) == 0);
- assert(yoffset % util_format_get_blockheight(pformat) == 0);
-
- for (y = 0; y < height; y += util_format_get_blockheight(pformat)) {
- /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */
- const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y);
- char *dst = (char*)texImage->Data + dstBlockStride * util_format_get_nblocksy(pformat, y);
- memcpy(dst, src, util_format_get_stride(pformat, width));
- }
-
- if (stImage->pt) {
- st_texture_image_unmap(st, stImage);
- texImage->Data = NULL;
- }
-}
-
-
-static void
-st_CompressedTexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLint height, GLint depth,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- assert(0);
-}
-
-
-
-/**
- * Do a CopyTexSubImage operation using a read transfer from the source,
- * a write transfer to the destination and get_tile()/put_tile() to access
- * the pixels/texels.
- *
- * Note: srcY=0=TOP of renderbuffer
- */
-static void
-fallback_copy_texsubimage(struct gl_context *ctx, GLenum target, GLint level,
- struct st_renderbuffer *strb,
- struct st_texture_image *stImage,
- GLenum baseFormat,
- GLint destX, GLint destY, GLint destZ,
- GLint srcX, GLint srcY,
- GLsizei width, GLsizei height)
-{
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct pipe_transfer *src_trans;
- GLvoid *texDest;
- enum pipe_transfer_usage transfer_usage;
-
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s: fallback processing\n", __FUNCTION__);
-
- assert(width <= MAX_WIDTH);
-
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- srcY = strb->Base.Height - srcY - height;
- }
-
- src_trans = pipe_get_transfer(st_context(ctx)->pipe,
- strb->texture,
- 0, 0,
- PIPE_TRANSFER_READ,
- srcX, srcY,
- width, height);
-
- if ((baseFormat == GL_DEPTH_COMPONENT ||
- baseFormat == GL_DEPTH_STENCIL) &&
- util_format_is_depth_and_stencil(stImage->pt->format))
- transfer_usage = PIPE_TRANSFER_READ_WRITE;
- else
- transfer_usage = PIPE_TRANSFER_WRITE;
-
- /* XXX this used to ignore destZ param */
- texDest = st_texture_image_map(st, stImage, destZ, transfer_usage,
- destX, destY, width, height);
-
- if (baseFormat == GL_DEPTH_COMPONENT ||
- baseFormat == GL_DEPTH_STENCIL) {
- const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F ||
- ctx->Pixel.DepthBias != 0.0F);
- GLint row, yStep;
-
- /* determine bottom-to-top vs. top-to-bottom order for src buffer */
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- srcY = height - 1;
- yStep = -1;
- }
- else {
- srcY = 0;
- yStep = 1;
- }
-
- /* To avoid a large temp memory allocation, do copy row by row */
- for (row = 0; row < height; row++, srcY += yStep) {
- uint data[MAX_WIDTH];
- pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
- if (scaleOrBias) {
- _mesa_scale_and_bias_depth_uint(ctx, width, data);
- }
- pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
- }
- }
- else {
- /* RGBA format */
- GLfloat *tempSrc =
- (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
-
- if (tempSrc && texDest) {
- const GLint dims = 2;
- const GLint dstRowStride = stImage->transfer->stride;
- struct gl_texture_image *texImage = &stImage->base;
- struct gl_pixelstore_attrib unpack = ctx->DefaultPacking;
-
- if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
- unpack.Invert = GL_TRUE;
- }
-
- /* get float/RGBA image from framebuffer */
- /* XXX this usually involves a lot of int/float conversion.
- * try to avoid that someday.
- */
- pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height,
- util_format_linear(strb->texture->format),
- tempSrc);
-
- /* Store into texture memory.
- * Note that this does some special things such as pixel transfer
- * ops and format conversion. In particular, if the dest tex format
- * is actually RGBA but the user created the texture as GL_RGB we
- * need to fill-in/override the alpha channel with 1.0.
- */
- _mesa_texstore(ctx, dims,
- texImage->_BaseFormat,
- texImage->TexFormat,
- texDest,
- 0, 0, 0,
- dstRowStride,
- texImage->ImageOffsets,
- width, height, 1,
- GL_RGBA, GL_FLOAT, tempSrc, /* src */
- &unpack);
- }
- else {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
- }
-
- if (tempSrc)
- free(tempSrc);
- }
-
- st_texture_image_unmap(st, stImage);
- pipe->transfer_destroy(pipe, src_trans);
-}
-
-
-
-/**
- * If the format of the src renderbuffer and the format of the dest
- * texture are compatible (in terms of blitting), return a TGSI writemask
- * to be used during the blit.
- * If the src/dest are incompatible, return 0.
- */
-static unsigned
-compatible_src_dst_formats(struct gl_context *ctx,
- const struct gl_renderbuffer *src,
- const struct gl_texture_image *dst)
-{
- /* Get logical base formats for the src and dest.
- * That is, use the user-requested formats and not the actual, device-
- * chosen formats.
- * For example, the user may have requested an A8 texture but the
- * driver may actually be using an RGBA texture format. When we
- * copy/blit to that texture, we only want to copy the Alpha channel
- * and not the RGB channels.
- *
- * Similarly, when the src FBO was created an RGB format may have been
- * requested but the driver actually chose an RGBA format. In that case,
- * we don't want to copy the undefined Alpha channel to the dest texture
- * (it should be 1.0).
- */
- const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat);
- const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat);
-
- /**
- * XXX when we have red-only and red/green renderbuffers we'll need
- * to add more cases here (or implement a general-purpose routine that
- * queries the existance of the R,G,B,A channels in the src and dest).
- */
- if (srcFormat == dstFormat) {
- /* This is the same as matching_base_formats, which should
- * always pass, as it did previously.
- */
- return TGSI_WRITEMASK_XYZW;
- }
- else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) {
- /* Make sure that A in the dest is 1. The actual src format
- * may be RGBA and have undefined A values.
- */
- return TGSI_WRITEMASK_XYZ;
- }
- else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) {
- /* Make sure that A in the dest is 1. The actual dst format
- * may be RGBA and will need A=1 to provide proper alpha values
- * when sampled later.
- */
- return TGSI_WRITEMASK_XYZ;
- }
- else {
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s failed for src %s, dst %s\n",
- __FUNCTION__,
- _mesa_lookup_enum_by_nr(srcFormat),
- _mesa_lookup_enum_by_nr(dstFormat));
-
- /* Otherwise fail.
- */
- return 0;
- }
-}
-
-
-
-/**
- * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
- * Note that the region to copy has already been clipped so we know we
- * won't read from outside the source renderbuffer's bounds.
- *
- * Note: srcY=0=Bottom of renderbuffer (GL convention)
- */
-static void
-st_copy_texsubimage(struct gl_context *ctx,
- GLenum target, GLint level,
- GLint destX, GLint destY, GLint destZ,
- GLint srcX, GLint srcY,
- GLsizei width, GLsizei height)
-{
- struct gl_texture_unit *texUnit =
- &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- struct gl_texture_object *texObj =
- _mesa_select_tex_object(ctx, texUnit, target);
- struct gl_texture_image *texImage =
- _mesa_select_tex_image(ctx, texObj, target, level);
- struct st_texture_image *stImage = st_texture_image(texImage);
- const GLenum texBaseFormat = texImage->_BaseFormat;
- struct gl_framebuffer *fb = ctx->ReadBuffer;
- struct st_renderbuffer *strb;
- struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
- struct pipe_screen *screen = pipe->screen;
- enum pipe_format dest_format, src_format;
- GLboolean use_fallback = GL_TRUE;
- GLboolean matching_base_formats;
- GLuint format_writemask, sample_count;
- struct pipe_surface *dest_surface = NULL;
- GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
-
- /* make sure finalize_textures has been called?
- */
- if (0) st_validate_state(st);
-
- /* determine if copying depth or color data */
- if (texBaseFormat == GL_DEPTH_COMPONENT ||
- texBaseFormat == GL_DEPTH_STENCIL) {
- strb = st_renderbuffer(fb->_DepthBuffer);
- if (strb->Base.Wrapped) {
- strb = st_renderbuffer(strb->Base.Wrapped);
- }
- }
- else {
- /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */
- strb = st_renderbuffer(fb->_ColorReadBuffer);
- }
-
- if (!strb || !strb->surface || !stImage->pt) {
- debug_printf("%s: null strb or stImage\n", __FUNCTION__);
- return;
- }
-
- sample_count = strb->surface->texture->nr_samples;
- /* I believe this would be legal, presumably would need to do a resolve
- for color, and for depth/stencil spec says to just use one of the
- depth/stencil samples per pixel? Need some transfer clarifications. */
- assert(sample_count < 2);
-
- if (srcX < 0) {
- width -= -srcX;
- destX += -srcX;
- srcX = 0;
- }
-
- if (srcY < 0) {
- height -= -srcY;
- destY += -srcY;
- srcY = 0;
- }
-
- if (destX < 0) {
- width -= -destX;
- srcX += -destX;
- destX = 0;
- }
-
- if (destY < 0) {
- height -= -destY;
- srcY += -destY;
- destY = 0;
- }
-
- if (width < 0 || height < 0)
- return;
-
-
- assert(strb);
- assert(strb->surface);
- assert(stImage->pt);
-
- src_format = strb->surface->format;
- dest_format = stImage->pt->format;
-
- /*
- * Determine if the src framebuffer and dest texture have the same
- * base format. We need this to detect a case such as the framebuffer
- * being GL_RGBA but the texture being GL_RGB. If the actual hardware
- * texture format stores RGBA we need to set A=1 (overriding the
- * framebuffer's alpha values). We can't do that with the blit or
- * textured-quad paths.
- */
- matching_base_formats =
- (_mesa_get_format_base_format(strb->Base.Format) ==
- _mesa_get_format_base_format(texImage->TexFormat));
- format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
-
- if (ctx->_ImageTransferState == 0x0) {
-
- if (matching_base_formats &&
- src_format == dest_format &&
- !do_flip)
- {
- /* use surface_copy() / blit */
- struct pipe_box src_box;
- u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer,
- width, height, &src_box);
-
- /* for resource_copy_region(), y=0=top, always */
- pipe->resource_copy_region(pipe,
- /* dest */
- stImage->pt,
- stImage->level,
- destX, destY, destZ + stImage->face,
- /* src */
- strb->texture,
- strb->surface->u.tex.level,
- &src_box);
- use_fallback = GL_FALSE;
- }
- else if (format_writemask &&
- texBaseFormat != GL_DEPTH_COMPONENT &&
- texBaseFormat != GL_DEPTH_STENCIL &&
- screen->is_format_supported(screen, src_format,
- PIPE_TEXTURE_2D, sample_count,
- PIPE_BIND_SAMPLER_VIEW,
- 0) &&
- screen->is_format_supported(screen, dest_format,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_RENDER_TARGET,
- 0)) {
- /* draw textured quad to do the copy */
- GLint srcY0, srcY1;
- struct pipe_surface surf_tmpl;
- memset(&surf_tmpl, 0, sizeof(surf_tmpl));
- surf_tmpl.format = stImage->pt->format;
- surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
- surf_tmpl.u.tex.level = stImage->level;
- surf_tmpl.u.tex.first_layer = stImage->face + destZ;
- surf_tmpl.u.tex.last_layer = stImage->face + destZ;
-
- dest_surface = pipe->create_surface(pipe, stImage->pt,
- &surf_tmpl);
-
- if (do_flip) {
- srcY1 = strb->Base.Height - srcY - height;
- srcY0 = srcY1 + height;
- }
- else {
- srcY0 = srcY;
- srcY1 = srcY0 + height;
- }
-
- util_blit_pixels_writemask(st->blit,
- strb->texture,
- strb->surface->u.tex.level,
- srcX, srcY0,
- srcX + width, srcY1,
- strb->surface->u.tex.first_layer,
- dest_surface,
- destX, destY,
- destX + width, destY + height,
- 0.0, PIPE_TEX_MIPFILTER_NEAREST,
- format_writemask);
- use_fallback = GL_FALSE;
- }
-
- if (dest_surface)
- pipe_surface_reference(&dest_surface, NULL);
- }
-
- if (use_fallback) {
- /* software fallback */
- fallback_copy_texsubimage(ctx, target, level,
- strb, stImage, texBaseFormat,
- destX, destY, destZ,
- srcX, srcY, width, height);
- }
-}
-
-
-
-static void
-st_CopyTexImage1D(struct gl_context * ctx, GLenum target, GLint level,
- GLenum internalFormat,
- GLint x, GLint y, GLsizei width, GLint border)
-{
- struct gl_texture_unit *texUnit =
- &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- struct gl_texture_object *texObj =
- _mesa_select_tex_object(ctx, texUnit, target);
- struct gl_texture_image *texImage =
- _mesa_select_tex_image(ctx, texObj, target, level);
-
- /* Setup or redefine the texture object, texture and texture
- * image. Don't populate yet.
- */
- ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
- width, border,
- GL_RGBA, CHAN_TYPE, NULL,
- &ctx->DefaultPacking, texObj, texImage);
-
- st_copy_texsubimage(ctx, target, level,
- 0, 0, 0, /* destX,Y,Z */
- x, y, width, 1); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexImage2D(struct gl_context * ctx, GLenum target, GLint level,
- GLenum internalFormat,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLint border)
-{
- struct gl_texture_unit *texUnit =
- &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- struct gl_texture_object *texObj =
- _mesa_select_tex_object(ctx, texUnit, target);
- struct gl_texture_image *texImage =
- _mesa_select_tex_image(ctx, texObj, target, level);
-
- /* Setup or redefine the texture object, texture and texture
- * image. Don't populate yet.
- */
- ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
- width, height, border,
- GL_RGBA, CHAN_TYPE, NULL,
- &ctx->DefaultPacking, texObj, texImage);
-
- st_copy_texsubimage(ctx, target, level,
- 0, 0, 0, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexSubImage1D(struct gl_context * ctx, GLenum target, GLint level,
- GLint xoffset, GLint x, GLint y, GLsizei width)
-{
- const GLint yoffset = 0, zoffset = 0;
- const GLsizei height = 1;
- st_copy_texsubimage(ctx, target, level,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexSubImage2D(struct gl_context * ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLint x, GLint y, GLsizei width, GLsizei height)
-{
- const GLint zoffset = 0;
- st_copy_texsubimage(ctx, target, level,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexSubImage3D(struct gl_context * ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint x, GLint y, GLsizei width, GLsizei height)
-{
- st_copy_texsubimage(ctx, target, level,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
-}
-
-
-/**
- * Copy image data from stImage into the texture object 'stObj' at level
- * 'dstLevel'.
- */
-static void
-copy_image_data_to_texture(struct st_context *st,
- struct st_texture_object *stObj,
- GLuint dstLevel,
- struct st_texture_image *stImage)
-{
- /* debug checks */
- {
- const struct gl_texture_image *dstImage =
- stObj->base.Image[stImage->face][stImage->level];
- assert(dstImage);
- assert(dstImage->Width == stImage->base.Width);
- assert(dstImage->Height == stImage->base.Height);
- assert(dstImage->Depth == stImage->base.Depth);
- }
-
- if (stImage->pt) {
- /* Copy potentially with the blitter:
- */
- st_texture_image_copy(st->pipe,
- stObj->pt, dstLevel, /* dest texture, level */
- stImage->pt, stImage->level, /* src texture, level */
- stImage->face);
-
- pipe_resource_reference(&stImage->pt, NULL);
- }
- else if (stImage->base.Data) {
- st_texture_image_data(st,
- stObj->pt,
- stImage->face,
- dstLevel,
- stImage->base.Data,
- stImage->base.RowStride *
- util_format_get_blocksize(stObj->pt->format),
- stImage->base.RowStride *
- stImage->base.Height *
- util_format_get_blocksize(stObj->pt->format));
- _mesa_align_free(stImage->base.Data);
- stImage->base.Data = NULL;
- }
-
- pipe_resource_reference(&stImage->pt, stObj->pt);
-}
-
-
-/**
- * Called during state validation. When this function is finished,
- * the texture object should be ready for rendering.
- * \return GL_TRUE for success, GL_FALSE for failure (out of mem)
- */
-GLboolean
-st_finalize_texture(struct gl_context *ctx,
- struct pipe_context *pipe,
- struct gl_texture_object *tObj)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_object *stObj = st_texture_object(tObj);
- const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
- GLuint face;
- struct st_texture_image *firstImage;
- enum pipe_format firstImageFormat;
-
- if (stObj->base._Complete) {
- /* The texture is complete and we know exactly how many mipmap levels
- * are present/needed. This is conditional because we may be called
- * from the st_generate_mipmap() function when the texture object is
- * incomplete. In that case, we'll have set stObj->lastLevel before
- * we get here.
- */
- if (stObj->base.MinFilter == GL_LINEAR ||
- stObj->base.MinFilter == GL_NEAREST)
- stObj->lastLevel = stObj->base.BaseLevel;
- else
- stObj->lastLevel = stObj->base._MaxLevel;
- }
-
- firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
- assert(firstImage);
-
- /* If both firstImage and stObj point to a texture which can contain
- * all active images, favour firstImage. Note that because of the
- * completeness requirement, we know that the image dimensions
- * will match.
- */
- if (firstImage->pt &&
- firstImage->pt != stObj->pt &&
- (!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) {
- pipe_resource_reference(&stObj->pt, firstImage->pt);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
- }
-
- /* Find gallium format for the Mesa texture */
- firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat);
-
- /* If we already have a gallium texture, check that it matches the texture
- * object's format, target, size, num_levels, etc.
- */
- if (stObj->pt) {
- if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) ||
- !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) ||
- stObj->pt->last_level < stObj->lastLevel ||
- stObj->pt->width0 != stObj->width0 ||
- stObj->pt->height0 != stObj->height0 ||
- stObj->pt->depth0 != stObj->depth0)
- {
- /* The gallium texture does not match the Mesa texture so delete the
- * gallium texture now. We'll make a new one below.
- */
- pipe_resource_reference(&stObj->pt, NULL);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
- st->dirty.st |= ST_NEW_FRAMEBUFFER;
- }
- }
-
- /* May need to create a new gallium texture:
- */
- if (!stObj->pt) {
- GLuint bindings = default_bindings(st, firstImageFormat);
-
- stObj->pt = st_texture_create(st,
- gl_target_to_pipe(stObj->base.Target),
- firstImageFormat,
- stObj->lastLevel,
- stObj->width0,
- stObj->height0,
- stObj->depth0,
- bindings);
-
- if (!stObj->pt) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- return GL_FALSE;
- }
- }
-
- /* Pull in any images not in the object's texture:
- */
- for (face = 0; face < nr_faces; face++) {
- GLuint level;
- for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) {
- struct st_texture_image *stImage =
- st_texture_image(stObj->base.Image[face][level]);
-
- /* Need to import images in main memory or held in other textures.
- */
- if (stImage && stObj->pt != stImage->pt) {
- copy_image_data_to_texture(st, stObj, level, stImage);
- }
- }
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * Returns pointer to a default/dummy texture.
- * This is typically used when the current shader has tex/sample instructions
- * but the user has not provided a (any) texture(s).
- */
-struct gl_texture_object *
-st_get_default_texture(struct st_context *st)
-{
- if (!st->default_texture) {
- static const GLenum target = GL_TEXTURE_2D;
- GLubyte pixels[16][16][4];
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImg;
- GLuint i, j;
-
- /* The ARB_fragment_program spec says (0,0,0,1) should be returned
- * when attempting to sample incomplete textures.
- */
- for (i = 0; i < 16; i++) {
- for (j = 0; j < 16; j++) {
- pixels[i][j][0] = 0;
- pixels[i][j][1] = 0;
- pixels[i][j][2] = 0;
- pixels[i][j][3] = 255;
- }
- }
-
- texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target);
-
- texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0);
-
- _mesa_init_teximage_fields(st->ctx, target, texImg,
- 16, 16, 1, 0, /* w, h, d, border */
- GL_RGBA, MESA_FORMAT_RGBA8888);
-
- st_TexImage(st->ctx, 2, target,
- 0, GL_RGBA, /* level, intformat */
- 16, 16, 1, 0, /* w, h, d, border */
- GL_RGBA, GL_UNSIGNED_BYTE, pixels,
- &st->ctx->DefaultPacking,
- texObj, texImg,
- 0, 0);
-
- texObj->MinFilter = GL_NEAREST;
- texObj->MagFilter = GL_NEAREST;
- texObj->_Complete = GL_TRUE;
-
- st->default_texture = texObj;
- }
- return st->default_texture;
-}
-
-
-void
-st_init_texture_functions(struct dd_function_table *functions)
-{
- functions->ChooseTextureFormat = st_ChooseTextureFormat;
- functions->TexImage1D = st_TexImage1D;
- functions->TexImage2D = st_TexImage2D;
- functions->TexImage3D = st_TexImage3D;
- functions->TexSubImage1D = st_TexSubImage1D;
- functions->TexSubImage2D = st_TexSubImage2D;
- functions->TexSubImage3D = st_TexSubImage3D;
- functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D;
- functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D;
- functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D;
- functions->CopyTexImage1D = st_CopyTexImage1D;
- functions->CopyTexImage2D = st_CopyTexImage2D;
- functions->CopyTexSubImage1D = st_CopyTexSubImage1D;
- functions->CopyTexSubImage2D = st_CopyTexSubImage2D;
- functions->CopyTexSubImage3D = st_CopyTexSubImage3D;
- functions->GenerateMipmap = st_generate_mipmap;
-
- functions->GetTexImage = st_GetTexImage;
-
- /* compressed texture functions */
- functions->CompressedTexImage2D = st_CompressedTexImage2D;
- functions->GetCompressedTexImage = st_GetCompressedTexImage;
-
- functions->NewTextureObject = st_NewTextureObject;
- functions->NewTextureImage = st_NewTextureImage;
- functions->DeleteTexture = st_DeleteTextureObject;
- functions->FreeTexImageData = st_FreeTextureImageData;
-
- functions->TextureMemCpy = do_memcpy;
-
- /* XXX Temporary until we can query pipe's texture sizes */
- functions->TestProxyTexImage = _mesa_test_proxy_teximage;
-}
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "main/mfeatures.h"
+#include "main/bufferobj.h"
+#include "main/enums.h"
+#include "main/fbobject.h"
+#include "main/formats.h"
+#include "main/image.h"
+#include "main/imports.h"
+#include "main/macros.h"
+#include "main/mipmap.h"
+#include "main/pack.h"
+#include "main/pixeltransfer.h"
+#include "main/texcompress.h"
+#include "main/texfetch.h"
+#include "main/texgetimage.h"
+#include "main/teximage.h"
+#include "main/texobj.h"
+#include "main/texstore.h"
+
+#include "state_tracker/st_debug.h"
+#include "state_tracker/st_context.h"
+#include "state_tracker/st_cb_fbo.h"
+#include "state_tracker/st_cb_flush.h"
+#include "state_tracker/st_cb_texture.h"
+#include "state_tracker/st_format.h"
+#include "state_tracker/st_texture.h"
+#include "state_tracker/st_gen_mipmap.h"
+#include "state_tracker/st_atom.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "pipe/p_shader_tokens.h"
+#include "util/u_tile.h"
+#include "util/u_blit.h"
+#include "util/u_format.h"
+#include "util/u_surface.h"
+#include "util/u_sampler.h"
+#include "util/u_math.h"
+#include "util/u_box.h"
+
+#define DBG if (0) printf
+
+
+static enum pipe_texture_target
+gl_target_to_pipe(GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ return PIPE_TEXTURE_1D;
+ case GL_TEXTURE_2D:
+ return PIPE_TEXTURE_2D;
+ case GL_TEXTURE_RECTANGLE_NV:
+ return PIPE_TEXTURE_RECT;
+ case GL_TEXTURE_3D:
+ return PIPE_TEXTURE_3D;
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ return PIPE_TEXTURE_CUBE;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ return PIPE_TEXTURE_1D_ARRAY;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return PIPE_TEXTURE_2D_ARRAY;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+
+/** called via ctx->Driver.NewTextureImage() */
+static struct gl_texture_image *
+st_NewTextureImage(struct gl_context * ctx)
+{
+ DBG("%s\n", __FUNCTION__);
+ (void) ctx;
+ return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image);
+}
+
+
+/** called via ctx->Driver.NewTextureObject() */
+static struct gl_texture_object *
+st_NewTextureObject(struct gl_context * ctx, GLuint name, GLenum target)
+{
+ struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object);
+
+ DBG("%s\n", __FUNCTION__);
+ _mesa_initialize_texture_object(&obj->base, name, target);
+
+ return &obj->base;
+}
+
+/** called via ctx->Driver.DeleteTextureObject() */
+static void
+st_DeleteTextureObject(struct gl_context *ctx,
+ struct gl_texture_object *texObj)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_object *stObj = st_texture_object(texObj);
+ if (stObj->pt)
+ pipe_resource_reference(&stObj->pt, NULL);
+ if (stObj->sampler_view) {
+ if (stObj->sampler_view->context != st->pipe) {
+ /* Take "ownership" of this texture sampler view by setting
+ * its context pointer to this context. This avoids potential
+ * crashes when the texture object is shared among contexts
+ * and the original/owner context has already been destroyed.
+ */
+ stObj->sampler_view->context = st->pipe;
+ }
+ pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ }
+ _mesa_delete_texture_object(ctx, texObj);
+}
+
+
+/** called via ctx->Driver.FreeTexImageData() */
+static void
+st_FreeTextureImageData(struct gl_context * ctx, struct gl_texture_image *texImage)
+{
+ struct st_texture_image *stImage = st_texture_image(texImage);
+
+ DBG("%s\n", __FUNCTION__);
+
+ if (stImage->pt) {
+ pipe_resource_reference(&stImage->pt, NULL);
+ }
+
+ if (texImage->Data) {
+ _mesa_align_free(texImage->Data);
+ texImage->Data = NULL;
+ }
+}
+
+
+/**
+ * From linux kernel i386 header files, copes with odd sizes better
+ * than COPY_DWORDS would:
+ * XXX Put this in src/mesa/main/imports.h ???
+ */
+#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86)
+static INLINE void *
+__memcpy(void *to, const void *from, size_t n)
+{
+ int d0, d1, d2;
+ __asm__ __volatile__("rep ; movsl\n\t"
+ "testb $2,%b4\n\t"
+ "je 1f\n\t"
+ "movsw\n"
+ "1:\ttestb $1,%b4\n\t"
+ "je 2f\n\t"
+ "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2)
+ :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from)
+ :"memory");
+ return (to);
+}
+#else
+#define __memcpy(a,b,c) memcpy(a,b,c)
+#endif
+
+
+/**
+ * The system memcpy (at least on ubuntu 5.10) has problems copying
+ * to agp (writecombined) memory from a source which isn't 64-byte
+ * aligned - there is a 4x performance falloff.
+ *
+ * The x86 __memcpy is immune to this but is slightly slower
+ * (10%-ish) than the system memcpy.
+ *
+ * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
+ * isn't much faster than x86_memcpy for agp copies.
+ *
+ * TODO: switch dynamically.
+ */
+static void *
+do_memcpy(void *dest, const void *src, size_t n)
+{
+ if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) {
+ return __memcpy(dest, src, n);
+ }
+ else
+ return memcpy(dest, src, n);
+}
+
+
+/**
+ * Return default texture resource binding bitmask for the given format.
+ */
+static GLuint
+default_bindings(struct st_context *st, enum pipe_format format)
+{
+ struct pipe_screen *screen = st->pipe->screen;
+ const unsigned target = PIPE_TEXTURE_2D;
+ const unsigned geom = 0x0;
+ unsigned bindings;
+
+ if (util_format_is_depth_or_stencil(format))
+ bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL;
+ else
+ bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
+
+ if (screen->is_format_supported(screen, format, target, 0, bindings, geom))
+ return bindings;
+ else
+ return PIPE_BIND_SAMPLER_VIEW;
+}
+
+
+/** Return number of image dimensions (1, 2 or 3) for a texture target. */
+static GLuint
+get_texture_dims(GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ return 1;
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ case GL_TEXTURE_RECTANGLE_NV:
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return 2;
+ case GL_TEXTURE_3D:
+ return 3;
+ default:
+ assert(0 && "invalid texture target in get_texture_dims()");
+ return 1;
+ }
+}
+
+
+/**
+ * Try to allocate a pipe_resource object for the given st_texture_object.
+ *
+ * We use the given st_texture_image as a clue to determine the size of the
+ * mipmap image at level=0.
+ *
+ * \return GL_TRUE for success, GL_FALSE if out of memory.
+ */
+static GLboolean
+guess_and_alloc_texture(struct st_context *st,
+ struct st_texture_object *stObj,
+ const struct st_texture_image *stImage)
+{
+ const GLuint dims = get_texture_dims(stObj->base.Target);
+ GLuint level, lastLevel, width, height, depth;
+ GLuint bindings;
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers;
+ enum pipe_format fmt;
+
+ DBG("%s\n", __FUNCTION__);
+
+ assert(!stObj->pt);
+
+ level = stImage->level;
+ width = stImage->base.Width2; /* size w/out border */
+ height = stImage->base.Height2;
+ depth = stImage->base.Depth2;
+
+ assert(width > 0);
+ assert(height > 0);
+ assert(depth > 0);
+
+ /* Depending on the image's size, we can't always make a guess here.
+ */
+ if (level > 0) {
+ if ( (dims >= 1 && width == 1) ||
+ (dims >= 2 && height == 1) ||
+ (dims >= 3 && depth == 1) ) {
+ /* we can't determine the image size at level=0 */
+ stObj->width0 = stObj->height0 = stObj->depth0 = 0;
+ /* this is not an out of memory error */
+ return GL_TRUE;
+ }
+ }
+
+ /* grow the image size until we hit level = 0 */
+ while (level > 0) {
+ if (width != 1)
+ width <<= 1;
+ if (height != 1)
+ height <<= 1;
+ if (depth != 1)
+ depth <<= 1;
+ level--;
+ }
+
+ assert(level == 0);
+
+ /* At this point, (width x height x depth) is the expected size of
+ * the level=0 mipmap image.
+ */
+
+ /* Guess a reasonable value for lastLevel. With OpenGL we have no
+ * idea how many mipmap levels will be in a texture until we start
+ * to render with it. Make an educated guess here but be prepared
+ * to re-allocating a texture buffer with space for more (or fewer)
+ * mipmap levels later.
+ */
+ if ((stObj->base.MinFilter == GL_NEAREST ||
+ stObj->base.MinFilter == GL_LINEAR ||
+ stImage->base._BaseFormat == GL_DEPTH_COMPONENT ||
+ stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) &&
+ !stObj->base.GenerateMipmap &&
+ stImage->level == 0) {
+ /* only alloc space for a single mipmap level */
+ lastLevel = 0;
+ }
+ else {
+ /* alloc space for a full mipmap */
+ GLuint l2width = util_logbase2(width);
+ GLuint l2height = util_logbase2(height);
+ GLuint l2depth = util_logbase2(depth);
+ lastLevel = MAX2(MAX2(l2width, l2height), l2depth);
+ }
+
+ /* Save the level=0 dimensions */
+ stObj->width0 = width;
+ stObj->height0 = height;
+ stObj->depth0 = depth;
+
+ fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat);
+
+ bindings = default_bindings(st, fmt);
+
+ st_gl_texture_dims_to_pipe_dims(stObj->base.Target,
+ width, height, depth,
+ &ptWidth, &ptHeight, &ptDepth, &ptLayers);
+
+ stObj->pt = st_texture_create(st,
+ gl_target_to_pipe(stObj->base.Target),
+ fmt,
+ lastLevel,
+ ptWidth,
+ ptHeight,
+ ptDepth,
+ ptLayers,
+ bindings);
+
+ DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL));
+
+ return stObj->pt != NULL;
+}
+
+
+/**
+ * Adjust pixel unpack params and image dimensions to strip off the
+ * texture border.
+ * Gallium doesn't support texture borders. They've seldem been used
+ * and seldom been implemented correctly anyway.
+ * \param unpackNew returns the new pixel unpack parameters
+ */
+static void
+strip_texture_border(GLint border,
+ GLint *width, GLint *height, GLint *depth,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_pixelstore_attrib *unpackNew)
+{
+ assert(border > 0); /* sanity check */
+
+ *unpackNew = *unpack;
+
+ if (unpackNew->RowLength == 0)
+ unpackNew->RowLength = *width;
+
+ if (depth && unpackNew->ImageHeight == 0)
+ unpackNew->ImageHeight = *height;
+
+ unpackNew->SkipPixels += border;
+ if (height)
+ unpackNew->SkipRows += border;
+ if (depth)
+ unpackNew->SkipImages += border;
+
+ assert(*width >= 3);
+ *width = *width - 2 * border;
+ if (height && *height >= 3)
+ *height = *height - 2 * border;
+ if (depth && *depth >= 3)
+ *depth = *depth - 2 * border;
+}
+
+
+/**
+ * Try to do texture compression via rendering. If the Gallium driver
+ * can render into a compressed surface this will allow us to do texture
+ * compression.
+ * \return GL_TRUE for success, GL_FALSE for failure
+ */
+static GLboolean
+compress_with_blit(struct gl_context * ctx,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_texture_image *texImage)
+{
+ const GLuint dstImageOffsets[1] = {0};
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ gl_format mesa_format;
+ struct pipe_resource templ;
+ struct pipe_resource *src_tex;
+ struct pipe_sampler_view view_templ;
+ struct pipe_sampler_view *src_view;
+ struct pipe_surface *dst_surface, surf_tmpl;
+ struct pipe_transfer *tex_xfer;
+ void *map;
+
+ if (!stImage->pt) {
+ /* XXX: Can this happen? Should we assert? */
+ return GL_FALSE;
+ }
+
+ /* get destination surface (in the compressed texture) */
+ memset(&surf_tmpl, 0, sizeof(surf_tmpl));
+ surf_tmpl.format = stImage->pt->format;
+ surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
+ surf_tmpl.u.tex.level = stImage->level;
+ surf_tmpl.u.tex.first_layer = stImage->face;
+ surf_tmpl.u.tex.last_layer = stImage->face;
+ dst_surface = pipe->create_surface(pipe, stImage->pt, &surf_tmpl);
+ if (!dst_surface) {
+ /* can't render into this format (or other problem) */
+ return GL_FALSE;
+ }
+
+ /* Choose format for the temporary RGBA texture image.
+ */
+ mesa_format = st_ChooseTextureFormat(ctx, GL_RGBA, format, type);
+ assert(mesa_format);
+ if (!mesa_format)
+ return GL_FALSE;
+
+ /* Create the temporary source texture
+ */
+ memset(&templ, 0, sizeof(templ));
+ templ.target = st->internal_target;
+ templ.format = st_mesa_format_to_pipe_format(mesa_format);
+ templ.width0 = width;
+ templ.height0 = height;
+ templ.depth0 = 1;
+ templ.array_size = 1;
+ templ.last_level = 0;
+ templ.usage = PIPE_USAGE_DEFAULT;
+ templ.bind = PIPE_BIND_SAMPLER_VIEW;
+ src_tex = screen->resource_create(screen, &templ);
+
+ if (!src_tex)
+ return GL_FALSE;
+
+ /* Put user's tex data into the temporary texture
+ */
+ tex_xfer = pipe_get_transfer(st_context(ctx)->pipe, src_tex,
+ 0, 0, /* layer, level are zero */
+ PIPE_TRANSFER_WRITE,
+ 0, 0, width, height); /* x, y, w, h */
+ map = pipe_transfer_map(pipe, tex_xfer);
+
+ _mesa_texstore(ctx, 2, GL_RGBA, mesa_format,
+ map, /* dest ptr */
+ 0, 0, 0, /* dest x/y/z offset */
+ tex_xfer->stride, /* dest row stride (bytes) */
+ dstImageOffsets, /* image offsets (for 3D only) */
+ width, height, 1, /* size */
+ format, type, /* source format/type */
+ pixels, /* source data */
+ unpack); /* source data packing */
+
+ pipe_transfer_unmap(pipe, tex_xfer);
+ pipe->transfer_destroy(pipe, tex_xfer);
+
+ /* Create temporary sampler view */
+ u_sampler_view_default_template(&view_templ,
+ src_tex,
+ src_tex->format);
+ src_view = pipe->create_sampler_view(pipe, src_tex, &view_templ);
+
+
+ /* copy / compress image */
+ util_blit_pixels_tex(st->blit,
+ src_view, /* sampler view (src) */
+ 0, 0, /* src x0, y0 */
+ width, height, /* src x1, y1 */
+ dst_surface, /* pipe_surface (dst) */
+ xoffset, yoffset, /* dst x0, y0 */
+ xoffset + width, /* dst x1 */
+ yoffset + height, /* dst y1 */
+ 0.0, /* z */
+ PIPE_TEX_MIPFILTER_NEAREST);
+
+ pipe_surface_reference(&dst_surface, NULL);
+ pipe_resource_reference(&src_tex, NULL);
+ pipe_sampler_view_reference(&src_view, NULL);
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Do glTexImage1/2/3D().
+ */
+static void
+st_TexImage(struct gl_context * ctx,
+ GLint dims,
+ GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth,
+ GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage,
+ GLsizei imageSize, GLboolean compressed_src)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_screen *screen = st->pipe->screen;
+ struct st_texture_object *stObj = st_texture_object(texObj);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ GLuint dstRowStride = 0;
+ struct gl_pixelstore_attrib unpackNB;
+ enum pipe_transfer_usage transfer_usage = 0;
+
+ DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
+
+ /* switch to "normal" */
+ if (stObj->surface_based) {
+ gl_format texFormat;
+
+ _mesa_clear_texture_object(ctx, texObj);
+ pipe_resource_reference(&stObj->pt, NULL);
+
+ /* oops, need to init this image again */
+ texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
+ internalFormat, format, type);
+
+ _mesa_init_teximage_fields(ctx, target, texImage,
+ width, height, depth, border,
+ internalFormat, texFormat);
+
+ stObj->surface_based = GL_FALSE;
+ }
+
+ /* gallium does not support texture borders, strip it off */
+ if (border) {
+ strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB);
+ unpack = &unpackNB;
+ texImage->Width = width;
+ texImage->Height = height;
+ texImage->Depth = depth;
+ texImage->Border = 0;
+ border = 0;
+ }
+ else {
+ assert(texImage->Width == width);
+ assert(texImage->Height == height);
+ assert(texImage->Depth == depth);
+ }
+
+ stImage->face = _mesa_tex_target_to_face(target);
+ stImage->level = level;
+
+ _mesa_set_fetch_functions(texImage, dims);
+
+ /* Release the reference to a potentially orphaned buffer.
+ * Release any old malloced memory.
+ */
+ if (stImage->pt) {
+ pipe_resource_reference(&stImage->pt, NULL);
+ assert(!texImage->Data);
+ }
+ else if (texImage->Data) {
+ _mesa_align_free(texImage->Data);
+ }
+
+ /*
+ * See if the new image is somehow incompatible with the existing
+ * mipmap. If so, free the old mipmap.
+ */
+ if (stObj->pt) {
+ if (level > (GLint) stObj->pt->last_level ||
+ !st_texture_match_image(stObj->pt, &stImage->base,
+ stImage->face, stImage->level)) {
+ DBG("release it\n");
+ pipe_resource_reference(&stObj->pt, NULL);
+ assert(!stObj->pt);
+ pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ }
+ }
+
+ if (width == 0 || height == 0 || depth == 0) {
+ /* stop after freeing old image */
+ return;
+ }
+
+ if (!stObj->pt) {
+ if (!guess_and_alloc_texture(st, stObj, stImage)) {
+ /* Probably out of memory.
+ * Try flushing any pending rendering, then retry.
+ */
+ st_finish(st);
+ if (!guess_and_alloc_texture(st, stObj, stImage)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
+ return;
+ }
+ }
+ }
+
+ assert(!stImage->pt);
+
+ /* Check if this texture image can live inside the texture object's buffer.
+ * If so, store the image there. Otherwise the image will temporarily live
+ * in its own buffer.
+ */
+ if (stObj->pt &&
+ st_texture_match_image(stObj->pt, &stImage->base,
+ stImage->face, stImage->level)) {
+
+ pipe_resource_reference(&stImage->pt, stObj->pt);
+ assert(stImage->pt);
+ }
+
+ if (!stImage->pt)
+ DBG("XXX: Image did not fit into texture - storing in local memory!\n");
+
+ /* Pixel data may come from regular user memory or a PBO. For the later,
+ * do bounds checking and map the PBO to read pixels data from it.
+ *
+ * XXX we should try to use a GPU-accelerated path to copy the image data
+ * from the PBO to the texture.
+ */
+ if (compressed_src) {
+ pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
+ unpack,
+ "glCompressedTexImage");
+ }
+ else {
+ pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
+ format, type,
+ pixels, unpack, "glTexImage");
+ }
+
+ /* See if we can do texture compression with a blit/render.
+ */
+ if (!compressed_src &&
+ !ctx->Mesa_DXTn &&
+ _mesa_is_format_compressed(texImage->TexFormat) &&
+ screen->is_format_supported(screen,
+ stImage->pt->format,
+ stImage->pt->target, 0,
+ PIPE_BIND_RENDER_TARGET, 0)) {
+ if (!pixels)
+ goto done;
+
+ if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth,
+ format, type, pixels, unpack, texImage)) {
+ goto done;
+ }
+ }
+
+ /*
+ * Prepare to store the texture data. Either map the gallium texture buffer
+ * memory or malloc space for it.
+ */
+ if (stImage->pt) {
+ /* Store the image in the gallium texture memory buffer */
+ if (format == GL_DEPTH_COMPONENT &&
+ util_format_is_depth_and_stencil(stImage->pt->format))
+ transfer_usage = PIPE_TRANSFER_READ_WRITE;
+ else
+ transfer_usage = PIPE_TRANSFER_WRITE;
+
+ texImage->Data = st_texture_image_map(st, stImage, 0,
+ transfer_usage, 0, 0, width, height);
+ if(stImage->transfer)
+ dstRowStride = stImage->transfer->stride;
+ }
+ else {
+ /* Allocate regular memory and store the image there temporarily. */
+ GLuint imageSize = _mesa_format_image_size(texImage->TexFormat,
+ width, height, depth);
+ dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width);
+
+ texImage->Data = _mesa_align_malloc(imageSize, 16);
+ }
+
+ if (!texImage->Data) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
+ return;
+ }
+
+ if (!pixels) {
+ /* We've allocated texture memory, but have no pixel data - all done. */
+ goto done;
+ }
+
+ DBG("Upload image %dx%dx%d row_len %x pitch %x\n",
+ width, height, depth, width, dstRowStride);
+
+ /* Copy user texture image into the texture buffer.
+ */
+ if (compressed_src) {
+ const GLuint srcRowStride =
+ _mesa_format_row_stride(texImage->TexFormat, width);
+ if (dstRowStride == srcRowStride) {
+ memcpy(texImage->Data, pixels, imageSize);
+ }
+ else {
+ char *dst = texImage->Data;
+ const char *src = pixels;
+ GLuint i, bw, bh, lines;
+ _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
+ lines = (height + bh - 1) / bh;
+
+ for (i = 0; i < lines; ++i) {
+ memcpy(dst, src, srcRowStride);
+ dst += dstRowStride;
+ src += srcRowStride;
+ }
+ }
+ }
+ else {
+ const GLuint srcImageStride =
+ _mesa_image_image_stride(unpack, width, height, format, type);
+ GLint i;
+ const GLubyte *src = (const GLubyte *) pixels;
+
+ for (i = 0; i < depth; i++) {
+ if (!_mesa_texstore(ctx, dims,
+ texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ 0, 0, 0, /* dstX/Y/Zoffset */
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, height, 1,
+ format, type, src, unpack)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
+ }
+
+ if (stImage->pt && i + 1 < depth) {
+ /* unmap this slice */
+ st_texture_image_unmap(st, stImage);
+ /* map next slice of 3D texture */
+ texImage->Data = st_texture_image_map(st, stImage, i + 1,
+ transfer_usage, 0, 0,
+ width, height);
+ src += srcImageStride;
+ }
+ }
+ }
+
+done:
+ _mesa_unmap_teximage_pbo(ctx, unpack);
+
+ if (stImage->pt && texImage->Data) {
+ st_texture_image_unmap(st, stImage);
+ texImage->Data = NULL;
+ }
+}
+
+
+static void
+st_TexImage3D(struct gl_context * ctx,
+ GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth,
+ GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth,
+ border, format, type, pixels, unpack, texObj, texImage,
+ 0, GL_FALSE);
+}
+
+
+static void
+st_TexImage2D(struct gl_context * ctx,
+ GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
+ format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
+}
+
+
+static void
+st_TexImage1D(struct gl_context * ctx,
+ GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border,
+ format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
+}
+
+
+static void
+st_CompressedTexImage2D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
+ 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE);
+}
+
+
+
+/**
+ * glGetTexImage() helper: decompress a compressed texture by rendering
+ * a textured quad. Store the results in the user's buffer.
+ */
+static void
+decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level,
+ GLenum format, GLenum type, GLvoid *pixels,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ struct st_texture_object *stObj = st_texture_object(texObj);
+ struct pipe_sampler_view *src_view =
+ st_get_texture_sampler_view(stObj, pipe);
+ const GLuint width = texImage->Width;
+ const GLuint height = texImage->Height;
+ struct pipe_surface *dst_surface;
+ struct pipe_resource *dst_texture;
+ struct pipe_transfer *tex_xfer;
+ unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */
+ PIPE_BIND_TRANSFER_READ);
+
+ /* create temp / dest surface */
+ if (!util_create_rgba_surface(pipe, width, height, bind,
+ &dst_texture, &dst_surface)) {
+ _mesa_problem(ctx, "util_create_rgba_surface() failed "
+ "in decompress_with_blit()");
+ return;
+ }
+
+ /* blit/render/decompress */
+ util_blit_pixels_tex(st->blit,
+ src_view, /* pipe_resource (src) */
+ 0, 0, /* src x0, y0 */
+ width, height, /* src x1, y1 */
+ dst_surface, /* pipe_surface (dst) */
+ 0, 0, /* dst x0, y0 */
+ width, height, /* dst x1, y1 */
+ 0.0, /* z */
+ PIPE_TEX_MIPFILTER_NEAREST);
+
+ /* map the dst_surface so we can read from it */
+ tex_xfer = pipe_get_transfer(st_context(ctx)->pipe,
+ dst_texture, 0, 0,
+ PIPE_TRANSFER_READ,
+ 0, 0, width, height);
+
+ pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
+
+ /* copy/pack data into user buffer */
+ if (st_equal_formats(stImage->pt->format, format, type)) {
+ /* memcpy */
+ const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
+ ubyte *map = pipe_transfer_map(pipe, tex_xfer);
+ GLuint row;
+ for (row = 0; row < height; row++) {
+ GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
+ height, format, type, row, 0);
+ memcpy(dest, map, bytesPerRow);
+ map += tex_xfer->stride;
+ }
+ pipe_transfer_unmap(pipe, tex_xfer);
+ }
+ else {
+ /* format translation via floats */
+ GLuint row;
+ enum pipe_format format = util_format_linear(dst_texture->format);
+ for (row = 0; row < height; row++) {
+ const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
+ GLfloat rgba[4 * MAX_WIDTH];
+ GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
+ height, format, type, row, 0);
+
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback format translation\n", __FUNCTION__);
+
+ /* get float[4] rgba row from surface */
+ pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1,
+ format, rgba);
+
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
+ type, dest, &ctx->Pack, transferOps);
+ }
+ }
+
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
+
+ pipe->transfer_destroy(pipe, tex_xfer);
+
+ /* destroy the temp / dest surface */
+ util_destroy_rgba_surface(dst_texture, dst_surface);
+}
+
+
+
+/**
+ * Need to map texture image into memory before copying image data,
+ * then unmap it.
+ */
+static void
+st_get_tex_image(struct gl_context * ctx, GLenum target, GLint level,
+ GLenum format, GLenum type, GLvoid * pixels,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage, GLboolean compressed_dst)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ const GLuint dstImageStride =
+ _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height,
+ format, type);
+ GLuint depth, i;
+ GLubyte *dest;
+
+ if (stImage->pt &&
+ util_format_is_s3tc(stImage->pt->format) &&
+ !compressed_dst) {
+ /* Need to decompress the texture.
+ * We'll do this by rendering a textured quad.
+ * Note that we only expect RGBA formats (no Z/depth formats).
+ */
+ decompress_with_blit(ctx, target, level, format, type, pixels,
+ texObj, texImage);
+ return;
+ }
+
+ /* Map */
+ if (stImage->pt) {
+ /* Image is stored in hardware format in a buffer managed by the
+ * kernel. Need to explicitly map and unmap it.
+ */
+ texImage->Data = st_texture_image_map(st, stImage, 0,
+ PIPE_TRANSFER_READ, 0, 0,
+ stImage->base.Width,
+ stImage->base.Height);
+ /* compute stride in texels from stride in bytes */
+ texImage->RowStride = stImage->transfer->stride
+ * util_format_get_blockwidth(stImage->pt->format)
+ / util_format_get_blocksize(stImage->pt->format);
+ }
+ else {
+ /* Otherwise, the image should actually be stored in
+ * texImage->Data. This is pretty confusing for
+ * everybody, I'd much prefer to separate the two functions of
+ * texImage->Data - storage for texture images in main memory
+ * and access (ie mappings) of images. In other words, we'd
+ * create a new texImage->Map field and leave Data simply for
+ * storage.
+ */
+ assert(texImage->Data);
+ }
+
+ depth = texImage->Depth;
+ texImage->Depth = 1;
+
+ dest = (GLubyte *) pixels;
+
+ _mesa_set_fetch_functions(texImage, get_texture_dims(target));
+
+ for (i = 0; i < depth; i++) {
+ if (compressed_dst) {
+ _mesa_get_compressed_teximage(ctx, target, level, dest,
+ texObj, texImage);
+ }
+ else {
+ _mesa_get_teximage(ctx, target, level, format, type, dest,
+ texObj, texImage);
+ }
+
+ if (stImage->pt && i + 1 < depth) {
+ /* unmap this slice */
+ st_texture_image_unmap(st, stImage);
+ /* map next slice of 3D texture */
+ texImage->Data = st_texture_image_map(st, stImage, i + 1,
+ PIPE_TRANSFER_READ, 0, 0,
+ stImage->base.Width,
+ stImage->base.Height);
+ dest += dstImageStride;
+ }
+ }
+
+ texImage->Depth = depth;
+
+ /* Unmap */
+ if (stImage->pt) {
+ st_texture_image_unmap(st, stImage);
+ texImage->Data = NULL;
+ }
+}
+
+
+static void
+st_GetTexImage(struct gl_context * ctx, GLenum target, GLint level,
+ GLenum format, GLenum type, GLvoid * pixels,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage,
+ GL_FALSE);
+}
+
+
+static void
+st_GetCompressedTexImage(struct gl_context *ctx, GLenum target, GLint level,
+ GLvoid *pixels,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage,
+ GL_TRUE);
+}
+
+
+
+static void
+st_TexSubimage(struct gl_context *ctx, GLint dims, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_screen *screen = st->pipe->screen;
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ GLuint dstRowStride;
+ const GLuint srcImageStride =
+ _mesa_image_image_stride(packing, width, height, format, type);
+ GLint i;
+ const GLubyte *src;
+ /* init to silence warning only: */
+ enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE;
+
+ DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(target),
+ level, xoffset, yoffset, width, height);
+
+ pixels =
+ _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format,
+ type, pixels, packing, "glTexSubImage2D");
+ if (!pixels)
+ return;
+
+ /* See if we can do texture compression with a blit/render.
+ */
+ if (!ctx->Mesa_DXTn &&
+ _mesa_is_format_compressed(texImage->TexFormat) &&
+ screen->is_format_supported(screen,
+ stImage->pt->format,
+ stImage->pt->target, 0,
+ PIPE_BIND_RENDER_TARGET, 0)) {
+ if (compress_with_blit(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, type, pixels, packing, texImage)) {
+ goto done;
+ }
+ }
+
+ /* Map buffer if necessary. Need to lock to prevent other contexts
+ * from uploading the buffer under us.
+ */
+ if (stImage->pt) {
+ if (format == GL_DEPTH_COMPONENT &&
+ util_format_is_depth_and_stencil(stImage->pt->format))
+ transfer_usage = PIPE_TRANSFER_READ_WRITE;
+ else
+ transfer_usage = PIPE_TRANSFER_WRITE;
+
+ texImage->Data = st_texture_image_map(st, stImage, zoffset,
+ transfer_usage,
+ xoffset, yoffset,
+ width, height);
+ }
+
+ if (!texImage->Data) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
+ goto done;
+ }
+
+ src = (const GLubyte *) pixels;
+ dstRowStride = stImage->transfer->stride;
+
+ for (i = 0; i < depth; i++) {
+ if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ 0, 0, 0,
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, height, 1,
+ format, type, src, packing)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
+ }
+
+ if (stImage->pt && i + 1 < depth) {
+ /* unmap this slice */
+ st_texture_image_unmap(st, stImage);
+ /* map next slice of 3D texture */
+ texImage->Data = st_texture_image_map(st, stImage,
+ zoffset + i + 1,
+ transfer_usage,
+ xoffset, yoffset,
+ width, height);
+ src += srcImageStride;
+ }
+ }
+
+done:
+ _mesa_unmap_teximage_pbo(ctx, packing);
+
+ if (stImage->pt && texImage->Data) {
+ st_texture_image_unmap(st, stImage);
+ texImage->Data = NULL;
+ }
+}
+
+
+
+static void
+st_TexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset,
+ width, height, depth, format, type,
+ pixels, packing, texObj, texImage);
+}
+
+
+static void
+st_TexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type, const GLvoid * pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0,
+ width, height, 1, format, type,
+ pixels, packing, texObj, texImage);
+}
+
+
+static void
+st_TexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLsizei width, GLenum format, GLenum type,
+ const GLvoid * pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1,
+ format, type, pixels, packing, texObj, texImage);
+}
+
+
+static void
+st_CompressedTexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLsizei width,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ assert(0);
+}
+
+
+static void
+st_CompressedTexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLint height,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ int srcBlockStride;
+ int dstBlockStride;
+ int y;
+ enum pipe_format pformat;
+
+ if (stImage->pt) {
+ pformat = stImage->pt->format;
+
+ texImage->Data = st_texture_image_map(st, stImage, 0,
+ PIPE_TRANSFER_WRITE,
+ xoffset, yoffset,
+ width, height);
+
+ srcBlockStride = util_format_get_stride(pformat, width);
+ dstBlockStride = stImage->transfer->stride;
+ } else {
+ assert(stImage->pt);
+ /* TODO find good values for block and strides */
+ /* TODO also adjust texImage->data for yoffset/xoffset */
+ return;
+ }
+
+ if (!texImage->Data) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage");
+ return;
+ }
+
+ assert(xoffset % util_format_get_blockwidth(pformat) == 0);
+ assert(yoffset % util_format_get_blockheight(pformat) == 0);
+
+ for (y = 0; y < height; y += util_format_get_blockheight(pformat)) {
+ /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */
+ const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y);
+ char *dst = (char*)texImage->Data + dstBlockStride * util_format_get_nblocksy(pformat, y);
+ memcpy(dst, src, util_format_get_stride(pformat, width));
+ }
+
+ if (stImage->pt) {
+ st_texture_image_unmap(st, stImage);
+ texImage->Data = NULL;
+ }
+}
+
+
+static void
+st_CompressedTexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLint height, GLint depth,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ assert(0);
+}
+
+
+
+/**
+ * Do a CopyTexSubImage operation using a read transfer from the source,
+ * a write transfer to the destination and get_tile()/put_tile() to access
+ * the pixels/texels.
+ *
+ * Note: srcY=0=TOP of renderbuffer
+ */
+static void
+fallback_copy_texsubimage(struct gl_context *ctx, GLenum target, GLint level,
+ struct st_renderbuffer *strb,
+ struct st_texture_image *stImage,
+ GLenum baseFormat,
+ GLint destX, GLint destY, GLint destZ,
+ GLint srcX, GLint srcY,
+ GLsizei width, GLsizei height)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_transfer *src_trans;
+ GLvoid *texDest;
+ enum pipe_transfer_usage transfer_usage;
+
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback processing\n", __FUNCTION__);
+
+ assert(width <= MAX_WIDTH);
+
+ if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+ srcY = strb->Base.Height - srcY - height;
+ }
+
+ src_trans = pipe_get_transfer(st_context(ctx)->pipe,
+ strb->texture,
+ 0, 0,
+ PIPE_TRANSFER_READ,
+ srcX, srcY,
+ width, height);
+
+ if ((baseFormat == GL_DEPTH_COMPONENT ||
+ baseFormat == GL_DEPTH_STENCIL) &&
+ util_format_is_depth_and_stencil(stImage->pt->format))
+ transfer_usage = PIPE_TRANSFER_READ_WRITE;
+ else
+ transfer_usage = PIPE_TRANSFER_WRITE;
+
+ /* XXX this used to ignore destZ param */
+ texDest = st_texture_image_map(st, stImage, destZ, transfer_usage,
+ destX, destY, width, height);
+
+ if (baseFormat == GL_DEPTH_COMPONENT ||
+ baseFormat == GL_DEPTH_STENCIL) {
+ const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F ||
+ ctx->Pixel.DepthBias != 0.0F);
+ GLint row, yStep;
+
+ /* determine bottom-to-top vs. top-to-bottom order for src buffer */
+ if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+ srcY = height - 1;
+ yStep = -1;
+ }
+ else {
+ srcY = 0;
+ yStep = 1;
+ }
+
+ /* To avoid a large temp memory allocation, do copy row by row */
+ for (row = 0; row < height; row++, srcY += yStep) {
+ uint data[MAX_WIDTH];
+ pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
+ if (scaleOrBias) {
+ _mesa_scale_and_bias_depth_uint(ctx, width, data);
+ }
+ pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
+ }
+ }
+ else {
+ /* RGBA format */
+ GLfloat *tempSrc =
+ (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
+
+ if (tempSrc && texDest) {
+ const GLint dims = 2;
+ const GLint dstRowStride = stImage->transfer->stride;
+ struct gl_texture_image *texImage = &stImage->base;
+ struct gl_pixelstore_attrib unpack = ctx->DefaultPacking;
+
+ if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
+ unpack.Invert = GL_TRUE;
+ }
+
+ /* get float/RGBA image from framebuffer */
+ /* XXX this usually involves a lot of int/float conversion.
+ * try to avoid that someday.
+ */
+ pipe_get_tile_rgba_format(pipe, src_trans, 0, 0, width, height,
+ util_format_linear(strb->texture->format),
+ tempSrc);
+
+ /* Store into texture memory.
+ * Note that this does some special things such as pixel transfer
+ * ops and format conversion. In particular, if the dest tex format
+ * is actually RGBA but the user created the texture as GL_RGB we
+ * need to fill-in/override the alpha channel with 1.0.
+ */
+ _mesa_texstore(ctx, dims,
+ texImage->_BaseFormat,
+ texImage->TexFormat,
+ texDest,
+ 0, 0, 0,
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, height, 1,
+ GL_RGBA, GL_FLOAT, tempSrc, /* src */
+ &unpack);
+ }
+ else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
+ }
+
+ if (tempSrc)
+ free(tempSrc);
+ }
+
+ st_texture_image_unmap(st, stImage);
+ pipe->transfer_destroy(pipe, src_trans);
+}
+
+
+
+/**
+ * If the format of the src renderbuffer and the format of the dest
+ * texture are compatible (in terms of blitting), return a TGSI writemask
+ * to be used during the blit.
+ * If the src/dest are incompatible, return 0.
+ */
+static unsigned
+compatible_src_dst_formats(struct gl_context *ctx,
+ const struct gl_renderbuffer *src,
+ const struct gl_texture_image *dst)
+{
+ /* Get logical base formats for the src and dest.
+ * That is, use the user-requested formats and not the actual, device-
+ * chosen formats.
+ * For example, the user may have requested an A8 texture but the
+ * driver may actually be using an RGBA texture format. When we
+ * copy/blit to that texture, we only want to copy the Alpha channel
+ * and not the RGB channels.
+ *
+ * Similarly, when the src FBO was created an RGB format may have been
+ * requested but the driver actually chose an RGBA format. In that case,
+ * we don't want to copy the undefined Alpha channel to the dest texture
+ * (it should be 1.0).
+ */
+ const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat);
+ const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat);
+
+ /**
+ * XXX when we have red-only and red/green renderbuffers we'll need
+ * to add more cases here (or implement a general-purpose routine that
+ * queries the existance of the R,G,B,A channels in the src and dest).
+ */
+ if (srcFormat == dstFormat) {
+ /* This is the same as matching_base_formats, which should
+ * always pass, as it did previously.
+ */
+ return TGSI_WRITEMASK_XYZW;
+ }
+ else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) {
+ /* Make sure that A in the dest is 1. The actual src format
+ * may be RGBA and have undefined A values.
+ */
+ return TGSI_WRITEMASK_XYZ;
+ }
+ else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) {
+ /* Make sure that A in the dest is 1. The actual dst format
+ * may be RGBA and will need A=1 to provide proper alpha values
+ * when sampled later.
+ */
+ return TGSI_WRITEMASK_XYZ;
+ }
+ else {
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s failed for src %s, dst %s\n",
+ __FUNCTION__,
+ _mesa_lookup_enum_by_nr(srcFormat),
+ _mesa_lookup_enum_by_nr(dstFormat));
+
+ /* Otherwise fail.
+ */
+ return 0;
+ }
+}
+
+
+
+/**
+ * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
+ * Note that the region to copy has already been clipped so we know we
+ * won't read from outside the source renderbuffer's bounds.
+ *
+ * Note: srcY=0=Bottom of renderbuffer (GL convention)
+ */
+static void
+st_copy_texsubimage(struct gl_context *ctx,
+ GLenum target, GLint level,
+ GLint destX, GLint destY, GLint destZ,
+ GLint srcX, GLint srcY,
+ GLsizei width, GLsizei height)
+{
+ struct gl_texture_unit *texUnit =
+ &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ struct gl_texture_object *texObj =
+ _mesa_select_tex_object(ctx, texUnit, target);
+ struct gl_texture_image *texImage =
+ _mesa_select_tex_image(ctx, texObj, target, level);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ const GLenum texBaseFormat = texImage->_BaseFormat;
+ struct gl_framebuffer *fb = ctx->ReadBuffer;
+ struct st_renderbuffer *strb;
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ enum pipe_format dest_format, src_format;
+ GLboolean use_fallback = GL_TRUE;
+ GLboolean matching_base_formats;
+ GLuint format_writemask, sample_count;
+ struct pipe_surface *dest_surface = NULL;
+ GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
+
+ /* make sure finalize_textures has been called?
+ */
+ if (0) st_validate_state(st);
+
+ /* determine if copying depth or color data */
+ if (texBaseFormat == GL_DEPTH_COMPONENT ||
+ texBaseFormat == GL_DEPTH_STENCIL) {
+ strb = st_renderbuffer(fb->_DepthBuffer);
+ if (strb->Base.Wrapped) {
+ strb = st_renderbuffer(strb->Base.Wrapped);
+ }
+ }
+ else {
+ /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */
+ strb = st_renderbuffer(fb->_ColorReadBuffer);
+ }
+
+ if (!strb || !strb->surface || !stImage->pt) {
+ debug_printf("%s: null strb or stImage\n", __FUNCTION__);
+ return;
+ }
+
+ sample_count = strb->surface->texture->nr_samples;
+ /* I believe this would be legal, presumably would need to do a resolve
+ for color, and for depth/stencil spec says to just use one of the
+ depth/stencil samples per pixel? Need some transfer clarifications. */
+ assert(sample_count < 2);
+
+ if (srcX < 0) {
+ width -= -srcX;
+ destX += -srcX;
+ srcX = 0;
+ }
+
+ if (srcY < 0) {
+ height -= -srcY;
+ destY += -srcY;
+ srcY = 0;
+ }
+
+ if (destX < 0) {
+ width -= -destX;
+ srcX += -destX;
+ destX = 0;
+ }
+
+ if (destY < 0) {
+ height -= -destY;
+ srcY += -destY;
+ destY = 0;
+ }
+
+ if (width < 0 || height < 0)
+ return;
+
+
+ assert(strb);
+ assert(strb->surface);
+ assert(stImage->pt);
+
+ src_format = strb->surface->format;
+ dest_format = stImage->pt->format;
+
+ /*
+ * Determine if the src framebuffer and dest texture have the same
+ * base format. We need this to detect a case such as the framebuffer
+ * being GL_RGBA but the texture being GL_RGB. If the actual hardware
+ * texture format stores RGBA we need to set A=1 (overriding the
+ * framebuffer's alpha values). We can't do that with the blit or
+ * textured-quad paths.
+ */
+ matching_base_formats =
+ (_mesa_get_format_base_format(strb->Base.Format) ==
+ _mesa_get_format_base_format(texImage->TexFormat));
+ format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
+
+ if (ctx->_ImageTransferState == 0x0) {
+
+ if (matching_base_formats &&
+ src_format == dest_format &&
+ !do_flip)
+ {
+ /* use surface_copy() / blit */
+ struct pipe_box src_box;
+ u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer,
+ width, height, &src_box);
+
+ /* for resource_copy_region(), y=0=top, always */
+ pipe->resource_copy_region(pipe,
+ /* dest */
+ stImage->pt,
+ stImage->level,
+ destX, destY, destZ + stImage->face,
+ /* src */
+ strb->texture,
+ strb->surface->u.tex.level,
+ &src_box);
+ use_fallback = GL_FALSE;
+ }
+ else if (format_writemask &&
+ texBaseFormat != GL_DEPTH_COMPONENT &&
+ texBaseFormat != GL_DEPTH_STENCIL &&
+ screen->is_format_supported(screen, src_format,
+ PIPE_TEXTURE_2D, sample_count,
+ PIPE_BIND_SAMPLER_VIEW,
+ 0) &&
+ screen->is_format_supported(screen, dest_format,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_RENDER_TARGET,
+ 0)) {
+ /* draw textured quad to do the copy */
+ GLint srcY0, srcY1;
+ struct pipe_surface surf_tmpl;
+ memset(&surf_tmpl, 0, sizeof(surf_tmpl));
+ surf_tmpl.format = stImage->pt->format;
+ surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
+ surf_tmpl.u.tex.level = stImage->level;
+ surf_tmpl.u.tex.first_layer = stImage->face + destZ;
+ surf_tmpl.u.tex.last_layer = stImage->face + destZ;
+
+ dest_surface = pipe->create_surface(pipe, stImage->pt,
+ &surf_tmpl);
+
+ if (do_flip) {
+ srcY1 = strb->Base.Height - srcY - height;
+ srcY0 = srcY1 + height;
+ }
+ else {
+ srcY0 = srcY;
+ srcY1 = srcY0 + height;
+ }
+
+ util_blit_pixels_writemask(st->blit,
+ strb->texture,
+ strb->surface->u.tex.level,
+ srcX, srcY0,
+ srcX + width, srcY1,
+ strb->surface->u.tex.first_layer,
+ dest_surface,
+ destX, destY,
+ destX + width, destY + height,
+ 0.0, PIPE_TEX_MIPFILTER_NEAREST,
+ format_writemask);
+ use_fallback = GL_FALSE;
+ }
+
+ if (dest_surface)
+ pipe_surface_reference(&dest_surface, NULL);
+ }
+
+ if (use_fallback) {
+ /* software fallback */
+ fallback_copy_texsubimage(ctx, target, level,
+ strb, stImage, texBaseFormat,
+ destX, destY, destZ,
+ srcX, srcY, width, height);
+ }
+}
+
+
+
+static void
+st_CopyTexImage1D(struct gl_context * ctx, GLenum target, GLint level,
+ GLenum internalFormat,
+ GLint x, GLint y, GLsizei width, GLint border)
+{
+ struct gl_texture_unit *texUnit =
+ &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ struct gl_texture_object *texObj =
+ _mesa_select_tex_object(ctx, texUnit, target);
+ struct gl_texture_image *texImage =
+ _mesa_select_tex_image(ctx, texObj, target, level);
+
+ /* Setup or redefine the texture object, texture and texture
+ * image. Don't populate yet.
+ */
+ ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
+ width, border,
+ GL_RGBA, CHAN_TYPE, NULL,
+ &ctx->DefaultPacking, texObj, texImage);
+
+ st_copy_texsubimage(ctx, target, level,
+ 0, 0, 0, /* destX,Y,Z */
+ x, y, width, 1); /* src X, Y, size */
+}
+
+
+static void
+st_CopyTexImage2D(struct gl_context * ctx, GLenum target, GLint level,
+ GLenum internalFormat,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLint border)
+{
+ struct gl_texture_unit *texUnit =
+ &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ struct gl_texture_object *texObj =
+ _mesa_select_tex_object(ctx, texUnit, target);
+ struct gl_texture_image *texImage =
+ _mesa_select_tex_image(ctx, texObj, target, level);
+
+ /* Setup or redefine the texture object, texture and texture
+ * image. Don't populate yet.
+ */
+ ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
+ width, height, border,
+ GL_RGBA, CHAN_TYPE, NULL,
+ &ctx->DefaultPacking, texObj, texImage);
+
+ st_copy_texsubimage(ctx, target, level,
+ 0, 0, 0, /* destX,Y,Z */
+ x, y, width, height); /* src X, Y, size */
+}
+
+
+static void
+st_CopyTexSubImage1D(struct gl_context * ctx, GLenum target, GLint level,
+ GLint xoffset, GLint x, GLint y, GLsizei width)
+{
+ const GLint yoffset = 0, zoffset = 0;
+ const GLsizei height = 1;
+ st_copy_texsubimage(ctx, target, level,
+ xoffset, yoffset, zoffset, /* destX,Y,Z */
+ x, y, width, height); /* src X, Y, size */
+}
+
+
+static void
+st_CopyTexSubImage2D(struct gl_context * ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ const GLint zoffset = 0;
+ st_copy_texsubimage(ctx, target, level,
+ xoffset, yoffset, zoffset, /* destX,Y,Z */
+ x, y, width, height); /* src X, Y, size */
+}
+
+
+static void
+st_CopyTexSubImage3D(struct gl_context * ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ st_copy_texsubimage(ctx, target, level,
+ xoffset, yoffset, zoffset, /* destX,Y,Z */
+ x, y, width, height); /* src X, Y, size */
+}
+
+
+/**
+ * Copy image data from stImage into the texture object 'stObj' at level
+ * 'dstLevel'.
+ */
+static void
+copy_image_data_to_texture(struct st_context *st,
+ struct st_texture_object *stObj,
+ GLuint dstLevel,
+ struct st_texture_image *stImage)
+{
+ /* debug checks */
+ {
+ const struct gl_texture_image *dstImage =
+ stObj->base.Image[stImage->face][stImage->level];
+ assert(dstImage);
+ assert(dstImage->Width == stImage->base.Width);
+ assert(dstImage->Height == stImage->base.Height);
+ assert(dstImage->Depth == stImage->base.Depth);
+ }
+
+ if (stImage->pt) {
+ /* Copy potentially with the blitter:
+ */
+ st_texture_image_copy(st->pipe,
+ stObj->pt, dstLevel, /* dest texture, level */
+ stImage->pt, stImage->level, /* src texture, level */
+ stImage->face);
+
+ pipe_resource_reference(&stImage->pt, NULL);
+ }
+ else if (stImage->base.Data) {
+ st_texture_image_data(st,
+ stObj->pt,
+ stImage->face,
+ dstLevel,
+ stImage->base.Data,
+ stImage->base.RowStride *
+ util_format_get_blocksize(stObj->pt->format),
+ stImage->base.RowStride *
+ stImage->base.Height *
+ util_format_get_blocksize(stObj->pt->format));
+ _mesa_align_free(stImage->base.Data);
+ stImage->base.Data = NULL;
+ }
+
+ pipe_resource_reference(&stImage->pt, stObj->pt);
+}
+
+
+/**
+ * Called during state validation. When this function is finished,
+ * the texture object should be ready for rendering.
+ * \return GL_TRUE for success, GL_FALSE for failure (out of mem)
+ */
+GLboolean
+st_finalize_texture(struct gl_context *ctx,
+ struct pipe_context *pipe,
+ struct gl_texture_object *tObj)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_object *stObj = st_texture_object(tObj);
+ const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
+ GLuint face;
+ struct st_texture_image *firstImage;
+ enum pipe_format firstImageFormat;
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers;
+
+ if (stObj->base._Complete) {
+ /* The texture is complete and we know exactly how many mipmap levels
+ * are present/needed. This is conditional because we may be called
+ * from the st_generate_mipmap() function when the texture object is
+ * incomplete. In that case, we'll have set stObj->lastLevel before
+ * we get here.
+ */
+ if (stObj->base.MinFilter == GL_LINEAR ||
+ stObj->base.MinFilter == GL_NEAREST)
+ stObj->lastLevel = stObj->base.BaseLevel;
+ else
+ stObj->lastLevel = stObj->base._MaxLevel;
+ }
+
+ firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
+ assert(firstImage);
+
+ /* If both firstImage and stObj point to a texture which can contain
+ * all active images, favour firstImage. Note that because of the
+ * completeness requirement, we know that the image dimensions
+ * will match.
+ */
+ if (firstImage->pt &&
+ firstImage->pt != stObj->pt &&
+ (!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) {
+ pipe_resource_reference(&stObj->pt, firstImage->pt);
+ pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ }
+
+ /* Find gallium format for the Mesa texture */
+ firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat);
+ st_gl_texture_dims_to_pipe_dims(stObj->base.Target, stObj->width0,
+ stObj->height0, stObj->depth0,
+ &ptWidth, &ptHeight, &ptDepth, &ptLayers);
+
+ /* If we already have a gallium texture, check that it matches the texture
+ * object's format, target, size, num_levels, etc.
+ */
+ if (stObj->pt) {
+ if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) ||
+ !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) ||
+ stObj->pt->last_level < stObj->lastLevel ||
+ stObj->pt->width0 != ptWidth ||
+ stObj->pt->height0 != ptHeight ||
+ stObj->pt->depth0 != ptDepth ||
+ stObj->pt->array_size != ptLayers)
+ {
+ /* The gallium texture does not match the Mesa texture so delete the
+ * gallium texture now. We'll make a new one below.
+ */
+ pipe_resource_reference(&stObj->pt, NULL);
+ pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ st->dirty.st |= ST_NEW_FRAMEBUFFER;
+ }
+ }
+
+ /* May need to create a new gallium texture:
+ */
+ if (!stObj->pt) {
+ GLuint bindings = default_bindings(st, firstImageFormat);
+
+ stObj->pt = st_texture_create(st,
+ gl_target_to_pipe(stObj->base.Target),
+ firstImageFormat,
+ stObj->lastLevel,
+ ptWidth,
+ ptHeight,
+ ptDepth,
+ ptLayers,
+ bindings);
+
+ if (!stObj->pt) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
+ return GL_FALSE;
+ }
+ }
+
+ /* Pull in any images not in the object's texture:
+ */
+ for (face = 0; face < nr_faces; face++) {
+ GLuint level;
+ for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) {
+ struct st_texture_image *stImage =
+ st_texture_image(stObj->base.Image[face][level]);
+
+ /* Need to import images in main memory or held in other textures.
+ */
+ if (stImage && stObj->pt != stImage->pt) {
+ copy_image_data_to_texture(st, stObj, level, stImage);
+ }
+ }
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Returns pointer to a default/dummy texture.
+ * This is typically used when the current shader has tex/sample instructions
+ * but the user has not provided a (any) texture(s).
+ */
+struct gl_texture_object *
+st_get_default_texture(struct st_context *st)
+{
+ if (!st->default_texture) {
+ static const GLenum target = GL_TEXTURE_2D;
+ GLubyte pixels[16][16][4];
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImg;
+ GLuint i, j;
+
+ /* The ARB_fragment_program spec says (0,0,0,1) should be returned
+ * when attempting to sample incomplete textures.
+ */
+ for (i = 0; i < 16; i++) {
+ for (j = 0; j < 16; j++) {
+ pixels[i][j][0] = 0;
+ pixels[i][j][1] = 0;
+ pixels[i][j][2] = 0;
+ pixels[i][j][3] = 255;
+ }
+ }
+
+ texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target);
+
+ texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0);
+
+ _mesa_init_teximage_fields(st->ctx, target, texImg,
+ 16, 16, 1, 0, /* w, h, d, border */
+ GL_RGBA, MESA_FORMAT_RGBA8888);
+
+ st_TexImage(st->ctx, 2, target,
+ 0, GL_RGBA, /* level, intformat */
+ 16, 16, 1, 0, /* w, h, d, border */
+ GL_RGBA, GL_UNSIGNED_BYTE, pixels,
+ &st->ctx->DefaultPacking,
+ texObj, texImg,
+ 0, 0);
+
+ texObj->MinFilter = GL_NEAREST;
+ texObj->MagFilter = GL_NEAREST;
+ texObj->_Complete = GL_TRUE;
+
+ st->default_texture = texObj;
+ }
+ return st->default_texture;
+}
+
+
+void
+st_init_texture_functions(struct dd_function_table *functions)
+{
+ functions->ChooseTextureFormat = st_ChooseTextureFormat;
+ functions->TexImage1D = st_TexImage1D;
+ functions->TexImage2D = st_TexImage2D;
+ functions->TexImage3D = st_TexImage3D;
+ functions->TexSubImage1D = st_TexSubImage1D;
+ functions->TexSubImage2D = st_TexSubImage2D;
+ functions->TexSubImage3D = st_TexSubImage3D;
+ functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D;
+ functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D;
+ functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D;
+ functions->CopyTexImage1D = st_CopyTexImage1D;
+ functions->CopyTexImage2D = st_CopyTexImage2D;
+ functions->CopyTexSubImage1D = st_CopyTexSubImage1D;
+ functions->CopyTexSubImage2D = st_CopyTexSubImage2D;
+ functions->CopyTexSubImage3D = st_CopyTexSubImage3D;
+ functions->GenerateMipmap = st_generate_mipmap;
+
+ functions->GetTexImage = st_GetTexImage;
+
+ /* compressed texture functions */
+ functions->CompressedTexImage2D = st_CompressedTexImage2D;
+ functions->GetCompressedTexImage = st_GetCompressedTexImage;
+
+ functions->NewTextureObject = st_NewTextureObject;
+ functions->NewTextureImage = st_NewTextureImage;
+ functions->DeleteTexture = st_DeleteTextureObject;
+ functions->FreeTexImageData = st_FreeTextureImageData;
+
+ functions->TextureMemCpy = do_memcpy;
+
+ /* XXX Temporary until we can query pipe's texture sizes */
+ functions->TestProxyTexImage = _mesa_test_proxy_teximage;
+}
diff --git a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
index a7dfbea1a..0be66a2c2 100644
--- a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
@@ -352,6 +352,7 @@ st_generate_mipmap(struct gl_context *ctx, GLenum target,
oldTex->width0,
oldTex->height0,
oldTex->depth0,
+ oldTex->array_size,
oldTex->bind);
/* The texture isn't in a "complete" state yet so set the expected
diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c
index 4d4b238ef..0d5dc8140 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_texture.c
@@ -59,6 +59,7 @@ st_texture_create(struct st_context *st,
GLuint width0,
GLuint height0,
GLuint depth0,
+ GLuint layers,
GLuint bind )
{
struct pipe_resource pt, *newtex;
@@ -68,6 +69,8 @@ st_texture_create(struct st_context *st,
assert(width0 > 0);
assert(height0 > 0);
assert(depth0 > 0);
+ if (target == PIPE_TEXTURE_CUBE)
+ assert(layers == 6);
DBG("%s target %s format %s last_level %d\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(target),
@@ -84,7 +87,7 @@ st_texture_create(struct st_context *st,
pt.width0 = width0;
pt.height0 = height0;
pt.depth0 = depth0;
- pt.array_size = (target == PIPE_TEXTURE_CUBE ? 6 : 1);
+ pt.array_size = (target == PIPE_TEXTURE_CUBE ? 6 : layers);
pt.usage = PIPE_USAGE_DEFAULT;
pt.bind = bind;
pt.flags = 0;
@@ -98,6 +101,72 @@ st_texture_create(struct st_context *st,
/**
+ * In OpenGL the number of 1D array texture layers is the "height" and
+ * the number of 2D array texture layers is the "depth". In Gallium the
+ * number of layers in an array texture is a separate 'array_size' field.
+ * This function converts dimensions from the former to the later.
+ */
+void
+st_gl_texture_dims_to_pipe_dims(GLenum texture,
+ GLuint widthIn,
+ GLuint heightIn,
+ GLuint depthIn,
+ GLuint *widthOut,
+ GLuint *heightOut,
+ GLuint *depthOut,
+ GLuint *layersOut)
+{
+ switch (texture) {
+ case GL_TEXTURE_1D:
+ assert(heightIn == 1);
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = 1;
+ *depthOut = 1;
+ *layersOut = 1;
+ break;
+ case GL_TEXTURE_1D_ARRAY:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = 1;
+ *depthOut = 1;
+ *layersOut = heightIn;
+ break;
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_RECTANGLE:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = 1;
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = 6;
+ break;
+ case GL_TEXTURE_2D_ARRAY:
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = depthIn;
+ break;
+ default:
+ assert(0 && "Unexpected texture in st_gl_texture_dims_to_pipe_dims()");
+ /* fall-through */
+ case GL_TEXTURE_3D:
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = depthIn;
+ *layersOut = 1;
+ break;
+ }
+}
+
+
+/**
* Check if a texture image can be pulled into a unified mipmap texture.
*/
GLboolean
@@ -105,6 +174,8 @@ st_texture_match_image(const struct pipe_resource *pt,
const struct gl_texture_image *image,
GLuint face, GLuint level)
{
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers;
+
/* Images with borders are never pulled into mipmap textures.
*/
if (image->Border)
@@ -115,12 +186,17 @@ st_texture_match_image(const struct pipe_resource *pt,
if (st_mesa_format_to_pipe_format(image->TexFormat) != pt->format)
return GL_FALSE;
+ st_gl_texture_dims_to_pipe_dims(image->TexObject->Target,
+ image->Width, image->Height, image->Depth,
+ &ptWidth, &ptHeight, &ptDepth, &ptLayers);
+
/* Test if this image's size matches what's expected in the
* established texture.
*/
- if (image->Width != u_minify(pt->width0, level) ||
- image->Height != u_minify(pt->height0, level) ||
- image->Depth != u_minify(pt->depth0, level))
+ if (ptWidth != u_minify(pt->width0, level) ||
+ ptHeight != u_minify(pt->height0, level) ||
+ ptDepth != u_minify(pt->depth0, level) ||
+ ptLayers != pt->array_size)
return GL_FALSE;
return GL_TRUE;
@@ -212,14 +288,20 @@ st_texture_image_data(struct st_context *st,
GLuint src_row_stride, GLuint src_image_stride)
{
struct pipe_context *pipe = st->pipe;
- GLuint depth = u_minify(dst->depth0, level);
GLuint i;
const GLubyte *srcUB = src;
struct pipe_transfer *dst_transfer;
+ GLuint layers;
+
+ if (dst->target == PIPE_TEXTURE_1D_ARRAY ||
+ dst->target == PIPE_TEXTURE_2D_ARRAY)
+ layers = dst->array_size;
+ else
+ layers = u_minify(dst->depth0, level);
DBG("%s\n", __FUNCTION__);
- for (i = 0; i < depth; i++) {
+ for (i = 0; i < layers; i++) {
dst_transfer = pipe_get_transfer(st->pipe, dst, level, face + i,
PIPE_TRANSFER_WRITE, 0, 0,
u_minify(dst->width0, level),
diff --git a/mesalib/src/mesa/state_tracker/st_texture.h b/mesalib/src/mesa/state_tracker/st_texture.h
index bca856d71..b25f16410 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.h
+++ b/mesalib/src/mesa/state_tracker/st_texture.h
@@ -1,221 +1,235 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-#ifndef ST_TEXTURE_H
-#define ST_TEXTURE_H
-
-
-#include "pipe/p_context.h"
-#include "util/u_sampler.h"
-
-#include "main/mtypes.h"
-
-
-struct pipe_resource;
-
-
-/**
- * Subclass of gl_texure_image.
- */
-struct st_texture_image
-{
- struct gl_texture_image base;
-
- /* These aren't stored in gl_texture_image
- */
- GLuint level;
- GLuint face;
-
- /* If stImage->pt != NULL, image data is stored here.
- * Else if stImage->base.Data != NULL, image is stored there.
- * Else there is no image data.
- */
- struct pipe_resource *pt;
-
- struct pipe_transfer *transfer;
-};
-
-
-/**
- * Subclass of gl_texure_object.
- */
-struct st_texture_object
-{
- struct gl_texture_object base; /* The "parent" object */
-
- /* The texture must include at levels [0..lastLevel] once validated:
- */
- GLuint lastLevel;
-
- /** The size of the level=0 mipmap image */
- GLuint width0, height0, depth0;
-
- /* On validation any active images held in main memory or in other
- * textures will be copied to this texture and the old storage freed.
- */
- struct pipe_resource *pt;
-
- /* Default sampler view attached to this texture object. Created lazily
- * on first binding.
- */
- struct pipe_sampler_view *sampler_view;
-
- /* True if there is/was a surface bound to this texture object. It helps
- * track whether the texture object is surface based or not.
- */
- GLboolean surface_based;
-};
-
-
-static INLINE struct st_texture_image *
-st_texture_image(struct gl_texture_image *img)
-{
- return (struct st_texture_image *) img;
-}
-
-static INLINE struct st_texture_object *
-st_texture_object(struct gl_texture_object *obj)
-{
- return (struct st_texture_object *) obj;
-}
-
-
-static INLINE struct pipe_resource *
-st_get_texobj_resource(struct gl_texture_object *texObj)
-{
- struct st_texture_object *stObj = st_texture_object(texObj);
- return stObj ? stObj->pt : NULL;
-}
-
-
-static INLINE struct pipe_resource *
-st_get_stobj_resource(struct st_texture_object *stObj)
-{
- return stObj ? stObj->pt : NULL;
-}
-
-
-static INLINE struct pipe_sampler_view *
-st_create_texture_sampler_view(struct pipe_context *pipe,
- struct pipe_resource *texture)
-{
- struct pipe_sampler_view templ;
-
- u_sampler_view_default_template(&templ, texture, texture->format);
-
- return pipe->create_sampler_view(pipe, texture, &templ);
-}
-
-
-static INLINE struct pipe_sampler_view *
-st_create_texture_sampler_view_format(struct pipe_context *pipe,
- struct pipe_resource *texture,
- enum pipe_format format)
-{
- struct pipe_sampler_view templ;
-
- u_sampler_view_default_template(&templ, texture, format);
-
- return pipe->create_sampler_view(pipe, texture, &templ);
-}
-
-
-static INLINE struct pipe_sampler_view *
-st_get_texture_sampler_view(struct st_texture_object *stObj,
- struct pipe_context *pipe)
-{
- if (!stObj || !stObj->pt) {
- return NULL;
- }
-
- if (!stObj->sampler_view) {
- stObj->sampler_view = st_create_texture_sampler_view(pipe, stObj->pt);
- }
-
- return stObj->sampler_view;
-}
-
-
-extern struct pipe_resource *
-st_texture_create(struct st_context *st,
- enum pipe_texture_target target,
- enum pipe_format format,
- GLuint last_level,
- GLuint width0,
- GLuint height0,
- GLuint depth0,
- GLuint tex_usage );
-
-
-/* Check if an image fits into an existing texture object.
- */
-extern GLboolean
-st_texture_match_image(const struct pipe_resource *pt,
- const struct gl_texture_image *image,
- GLuint face, GLuint level);
-
-/* Return a pointer to an image within a texture. Return image stride as
- * well.
- */
-extern GLubyte *
-st_texture_image_map(struct st_context *st,
- struct st_texture_image *stImage,
- GLuint zoffset,
- enum pipe_transfer_usage usage,
- unsigned x, unsigned y,
- unsigned w, unsigned h);
-
-extern void
-st_texture_image_unmap(struct st_context *st,
- struct st_texture_image *stImage);
-
-
-/* Return pointers to each 2d slice within an image. Indexed by depth
- * value.
- */
-extern const GLuint *
-st_texture_depth_offsets(struct pipe_resource *pt, GLuint level);
-
-
-/* Upload an image into a texture
- */
-extern void
-st_texture_image_data(struct st_context *st,
- struct pipe_resource *dst,
- GLuint face, GLuint level, void *src,
- GLuint src_row_pitch, GLuint src_image_pitch);
-
-
-/* Copy an image between two textures
- */
-extern void
-st_texture_image_copy(struct pipe_context *pipe,
- struct pipe_resource *dst, GLuint dstLevel,
- struct pipe_resource *src, GLuint srcLevel,
- GLuint face);
-
-#endif
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef ST_TEXTURE_H
+#define ST_TEXTURE_H
+
+
+#include "pipe/p_context.h"
+#include "util/u_sampler.h"
+
+#include "main/mtypes.h"
+
+
+struct pipe_resource;
+
+
+/**
+ * Subclass of gl_texure_image.
+ */
+struct st_texture_image
+{
+ struct gl_texture_image base;
+
+ /* These aren't stored in gl_texture_image
+ */
+ GLuint level;
+ GLuint face;
+
+ /* If stImage->pt != NULL, image data is stored here.
+ * Else if stImage->base.Data != NULL, image is stored there.
+ * Else there is no image data.
+ */
+ struct pipe_resource *pt;
+
+ struct pipe_transfer *transfer;
+};
+
+
+/**
+ * Subclass of gl_texure_object.
+ */
+struct st_texture_object
+{
+ struct gl_texture_object base; /* The "parent" object */
+
+ /* The texture must include at levels [0..lastLevel] once validated:
+ */
+ GLuint lastLevel;
+
+ /** The size of the level=0 mipmap image.
+ * Note that the number of 1D array layers will be in height0 and the
+ * number of 2D array layers will be in depth0, as in GL.
+ */
+ GLuint width0, height0, depth0;
+
+ /* On validation any active images held in main memory or in other
+ * textures will be copied to this texture and the old storage freed.
+ */
+ struct pipe_resource *pt;
+
+ /* Default sampler view attached to this texture object. Created lazily
+ * on first binding.
+ */
+ struct pipe_sampler_view *sampler_view;
+
+ /* True if there is/was a surface bound to this texture object. It helps
+ * track whether the texture object is surface based or not.
+ */
+ GLboolean surface_based;
+};
+
+
+static INLINE struct st_texture_image *
+st_texture_image(struct gl_texture_image *img)
+{
+ return (struct st_texture_image *) img;
+}
+
+static INLINE struct st_texture_object *
+st_texture_object(struct gl_texture_object *obj)
+{
+ return (struct st_texture_object *) obj;
+}
+
+
+static INLINE struct pipe_resource *
+st_get_texobj_resource(struct gl_texture_object *texObj)
+{
+ struct st_texture_object *stObj = st_texture_object(texObj);
+ return stObj ? stObj->pt : NULL;
+}
+
+
+static INLINE struct pipe_resource *
+st_get_stobj_resource(struct st_texture_object *stObj)
+{
+ return stObj ? stObj->pt : NULL;
+}
+
+
+static INLINE struct pipe_sampler_view *
+st_create_texture_sampler_view(struct pipe_context *pipe,
+ struct pipe_resource *texture)
+{
+ struct pipe_sampler_view templ;
+
+ u_sampler_view_default_template(&templ, texture, texture->format);
+
+ return pipe->create_sampler_view(pipe, texture, &templ);
+}
+
+
+static INLINE struct pipe_sampler_view *
+st_create_texture_sampler_view_format(struct pipe_context *pipe,
+ struct pipe_resource *texture,
+ enum pipe_format format)
+{
+ struct pipe_sampler_view templ;
+
+ u_sampler_view_default_template(&templ, texture, format);
+
+ return pipe->create_sampler_view(pipe, texture, &templ);
+}
+
+
+static INLINE struct pipe_sampler_view *
+st_get_texture_sampler_view(struct st_texture_object *stObj,
+ struct pipe_context *pipe)
+{
+ if (!stObj || !stObj->pt) {
+ return NULL;
+ }
+
+ if (!stObj->sampler_view) {
+ stObj->sampler_view = st_create_texture_sampler_view(pipe, stObj->pt);
+ }
+
+ return stObj->sampler_view;
+}
+
+
+extern struct pipe_resource *
+st_texture_create(struct st_context *st,
+ enum pipe_texture_target target,
+ enum pipe_format format,
+ GLuint last_level,
+ GLuint width0,
+ GLuint height0,
+ GLuint depth0,
+ GLuint layers,
+ GLuint tex_usage );
+
+
+extern void
+st_gl_texture_dims_to_pipe_dims(GLenum texture,
+ GLuint widthIn,
+ GLuint heightIn,
+ GLuint depthIn,
+ GLuint *widthOut,
+ GLuint *heightOut,
+ GLuint *depthOut,
+ GLuint *layersOut);
+
+/* Check if an image fits into an existing texture object.
+ */
+extern GLboolean
+st_texture_match_image(const struct pipe_resource *pt,
+ const struct gl_texture_image *image,
+ GLuint face, GLuint level);
+
+/* Return a pointer to an image within a texture. Return image stride as
+ * well.
+ */
+extern GLubyte *
+st_texture_image_map(struct st_context *st,
+ struct st_texture_image *stImage,
+ GLuint zoffset,
+ enum pipe_transfer_usage usage,
+ unsigned x, unsigned y,
+ unsigned w, unsigned h);
+
+extern void
+st_texture_image_unmap(struct st_context *st,
+ struct st_texture_image *stImage);
+
+
+/* Return pointers to each 2d slice within an image. Indexed by depth
+ * value.
+ */
+extern const GLuint *
+st_texture_depth_offsets(struct pipe_resource *pt, GLuint level);
+
+
+/* Upload an image into a texture
+ */
+extern void
+st_texture_image_data(struct st_context *st,
+ struct pipe_resource *dst,
+ GLuint face, GLuint level, void *src,
+ GLuint src_row_pitch, GLuint src_image_pitch);
+
+
+/* Copy an image between two textures
+ */
+extern void
+st_texture_image_copy(struct pipe_context *pipe,
+ struct pipe_resource *dst, GLuint dstLevel,
+ struct pipe_resource *src, GLuint srcLevel,
+ GLuint face);
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 06:13:18 +0000