svn merge ^/branches/released .

1 files changed, 2768 insertions, 0 deletions

diff --git a/mesalib/src/mesa/program/program_parse.y b/mesalib/src/mesa/program/program_parse.y
new file mode 100644
index 000000000..cf621ae42
--- /dev/null
+++ b/mesalib/src/mesa/program/program_parse.y
@@ -0,0 +1,2768 @@
+%{
+/*
+ * Copyright © 2009 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 "main/mtypes.h"
+#include "main/imports.h"
+#include "program/program.h"
+#include "program/prog_parameter.h"
+#include "program/prog_parameter_layout.h"
+#include "program/prog_statevars.h"
+#include "program/prog_instruction.h"
+
+#include "program/symbol_table.h"
+#include "program/program_parser.h"
+
+extern void *yy_scan_string(char *);
+extern void yy_delete_buffer(void *);
+
+static struct asm_symbol *declare_variable(struct asm_parser_state *state,
+    char *name, enum asm_type t, struct YYLTYPE *locp);
+
+static int add_state_reference(struct gl_program_parameter_list *param_list,
+    const gl_state_index tokens[STATE_LENGTH]);
+
+static int initialize_symbol_from_state(struct gl_program *prog,
+    struct asm_symbol *param_var, const gl_state_index tokens[STATE_LENGTH]);
+
+static int initialize_symbol_from_param(struct gl_program *prog,
+    struct asm_symbol *param_var, const gl_state_index tokens[STATE_LENGTH]);
+
+static int initialize_symbol_from_const(struct gl_program *prog,
+    struct asm_symbol *param_var, const struct asm_vector *vec,
+    GLboolean allowSwizzle);
+
+static int yyparse(struct asm_parser_state *state);
+
+static char *make_error_string(const char *fmt, ...);
+
+static void yyerror(struct YYLTYPE *locp, struct asm_parser_state *state,
+    const char *s);
+
+static int validate_inputs(struct YYLTYPE *locp,
+    struct asm_parser_state *state);
+
+static void init_dst_reg(struct prog_dst_register *r);
+
+static void set_dst_reg(struct prog_dst_register *r,
+                        gl_register_file file, GLint index);
+
+static void init_src_reg(struct asm_src_register *r);
+
+static void set_src_reg(struct asm_src_register *r,
+                        gl_register_file file, GLint index);
+
+static void set_src_reg_swz(struct asm_src_register *r,
+                            gl_register_file file, GLint index, GLuint swizzle);
+
+static void asm_instruction_set_operands(struct asm_instruction *inst,
+    const struct prog_dst_register *dst, const struct asm_src_register *src0,
+    const struct asm_src_register *src1, const struct asm_src_register *src2);
+
+static struct asm_instruction *asm_instruction_ctor(gl_inst_opcode op,
+    const struct prog_dst_register *dst, const struct asm_src_register *src0,
+    const struct asm_src_register *src1, const struct asm_src_register *src2);
+
+static struct asm_instruction *asm_instruction_copy_ctor(
+    const struct prog_instruction *base, const struct prog_dst_register *dst,
+    const struct asm_src_register *src0, const struct asm_src_register *src1,
+    const struct asm_src_register *src2);
+
+#ifndef FALSE
+#define FALSE 0
+#define TRUE (!FALSE)
+#endif
+
+#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).position = YYRHSLOC(Rhs, 1).position;		\
+	 (Current).last_line = YYRHSLOC(Rhs, N).last_line;		\
+	 (Current).last_column = YYRHSLOC(Rhs, N).last_column;		\
+      } else {								\
+	 (Current).first_line = YYRHSLOC(Rhs, 0).last_line;		\
+	 (Current).last_line = (Current).first_line;			\
+	 (Current).first_column = YYRHSLOC(Rhs, 0).last_column;		\
+	 (Current).last_column = (Current).first_column;		\
+	 (Current).position = YYRHSLOC(Rhs, 0).position			\
+	    + (Current).first_column;					\
+      }									\
+   } while(YYID(0))
+
+#define YYLEX_PARAM state->scanner
+%}
+
+%pure-parser
+%locations
+%parse-param { struct asm_parser_state *state }
+%error-verbose
+%lex-param { void *scanner }
+
+%union {
+   struct asm_instruction *inst;
+   struct asm_symbol *sym;
+   struct asm_symbol temp_sym;
+   struct asm_swizzle_mask swiz_mask;
+   struct asm_src_register src_reg;
+   struct prog_dst_register dst_reg;
+   struct prog_instruction temp_inst;
+   char *string;
+   unsigned result;
+   unsigned attrib;
+   int integer;
+   float real;
+   gl_state_index state[STATE_LENGTH];
+   int negate;
+   struct asm_vector vector;
+   gl_inst_opcode opcode;
+
+   struct {
+      unsigned swz;
+      unsigned rgba_valid:1;
+      unsigned xyzw_valid:1;
+      unsigned negate:1;
+   } ext_swizzle;
+}
+
+%token ARBvp_10 ARBfp_10
+
+/* Tokens for assembler pseudo-ops */
+%token <integer> ADDRESS
+%token ALIAS ATTRIB
+%token OPTION OUTPUT
+%token PARAM
+%token <integer> TEMP
+%token END
+
+ /* Tokens for instructions */
+%token <temp_inst> BIN_OP BINSC_OP SAMPLE_OP SCALAR_OP TRI_OP VECTOR_OP
+%token <temp_inst> ARL KIL SWZ TXD_OP
+
+%token <integer> INTEGER
+%token <real> REAL
+
+%token AMBIENT ATTENUATION
+%token BACK
+%token CLIP COLOR
+%token DEPTH DIFFUSE DIRECTION
+%token EMISSION ENV EYE
+%token FOG FOGCOORD FRAGMENT FRONT
+%token HALF
+%token INVERSE INVTRANS
+%token LIGHT LIGHTMODEL LIGHTPROD LOCAL
+%token MATERIAL MAT_PROGRAM MATRIX MATRIXINDEX MODELVIEW MVP
+%token NORMAL
+%token OBJECT
+%token PALETTE PARAMS PLANE POINT_TOK POINTSIZE POSITION PRIMARY PROGRAM PROJECTION
+%token RANGE RESULT ROW
+%token SCENECOLOR SECONDARY SHININESS SIZE_TOK SPECULAR SPOT STATE
+%token TEXCOORD TEXENV TEXGEN TEXGEN_Q TEXGEN_R TEXGEN_S TEXGEN_T TEXTURE TRANSPOSE
+%token TEXTURE_UNIT TEX_1D TEX_2D TEX_3D TEX_CUBE TEX_RECT
+%token TEX_SHADOW1D TEX_SHADOW2D TEX_SHADOWRECT
+%token TEX_ARRAY1D TEX_ARRAY2D TEX_ARRAYSHADOW1D TEX_ARRAYSHADOW2D 
+%token VERTEX VTXATTRIB
+%token WEIGHT
+
+%token <string> IDENTIFIER USED_IDENTIFIER
+%type <string> string
+%token <swiz_mask> MASK4 MASK3 MASK2 MASK1 SWIZZLE
+%token DOT_DOT
+%token DOT
+
+%type <inst> instruction ALU_instruction TexInstruction
+%type <inst> ARL_instruction VECTORop_instruction
+%type <inst> SCALARop_instruction BINSCop_instruction BINop_instruction
+%type <inst> TRIop_instruction TXD_instruction SWZ_instruction SAMPLE_instruction
+%type <inst> KIL_instruction
+
+%type <dst_reg> dstReg maskedDstReg maskedAddrReg
+%type <src_reg> srcReg scalarUse scalarSrcReg swizzleSrcReg
+%type <swiz_mask> scalarSuffix swizzleSuffix extendedSwizzle
+%type <ext_swizzle> extSwizComp extSwizSel
+%type <swiz_mask> optionalMask
+
+%type <sym> progParamArray
+%type <integer> addrRegRelOffset addrRegPosOffset addrRegNegOffset
+%type <src_reg> progParamArrayMem progParamArrayAbs progParamArrayRel
+%type <sym> addrReg
+%type <swiz_mask> addrComponent addrWriteMask
+
+%type <dst_reg> ccMaskRule ccTest ccMaskRule2 ccTest2 optionalCcMask
+
+%type <result> resultBinding resultColBinding
+%type <integer> optFaceType optColorType
+%type <integer> optResultFaceType optResultColorType
+
+%type <integer> optTexImageUnitNum texImageUnitNum
+%type <integer> optTexCoordUnitNum texCoordUnitNum
+%type <integer> optLegacyTexUnitNum legacyTexUnitNum
+%type <integer> texImageUnit texTarget
+%type <integer> vtxAttribNum
+
+%type <attrib> attribBinding vtxAttribItem fragAttribItem
+
+%type <temp_sym> paramSingleInit paramSingleItemDecl
+%type <integer> optArraySize
+
+%type <state> stateSingleItem stateMultipleItem
+%type <state> stateMaterialItem
+%type <state> stateLightItem stateLightModelItem stateLightProdItem
+%type <state> stateTexGenItem stateFogItem stateClipPlaneItem statePointItem
+%type <state> stateMatrixItem stateMatrixRow stateMatrixRows
+%type <state> stateTexEnvItem stateDepthItem
+
+%type <state> stateLModProperty
+%type <state> stateMatrixName optMatrixRows
+
+%type <integer> stateMatProperty
+%type <integer> stateLightProperty stateSpotProperty
+%type <integer> stateLightNumber stateLProdProperty
+%type <integer> stateTexGenType stateTexGenCoord
+%type <integer> stateTexEnvProperty
+%type <integer> stateFogProperty
+%type <integer> stateClipPlaneNum
+%type <integer> statePointProperty
+
+%type <integer> stateOptMatModifier stateMatModifier stateMatrixRowNum
+%type <integer> stateOptModMatNum stateModMatNum statePaletteMatNum 
+%type <integer> stateProgramMatNum
+
+%type <integer> ambDiffSpecProperty
+
+%type <state> programSingleItem progEnvParam progLocalParam
+%type <state> programMultipleItem progEnvParams progLocalParams
+
+%type <temp_sym> paramMultipleInit paramMultInitList paramMultipleItem
+%type <temp_sym> paramSingleItemUse
+
+%type <integer> progEnvParamNum progLocalParamNum
+%type <state> progEnvParamNums progLocalParamNums
+
+%type <vector> paramConstDecl paramConstUse
+%type <vector> paramConstScalarDecl paramConstScalarUse paramConstVector
+%type <real> signedFloatConstant
+%type <negate> optionalSign
+
+%{
+extern int yylex(YYSTYPE *yylval_param, YYLTYPE *yylloc_param,
+    void *yyscanner);
+%}
+
+%%
+
+program: language optionSequence statementSequence END
+	;
+
+language: ARBvp_10
+	{
+	   if (state->prog->Target != GL_VERTEX_PROGRAM_ARB) {
+	      yyerror(& @1, state, "invalid fragment program header");
+
+	   }
+	   state->mode = ARB_vertex;
+	}
+	| ARBfp_10
+	{
+	   if (state->prog->Target != GL_FRAGMENT_PROGRAM_ARB) {
+	      yyerror(& @1, state, "invalid vertex program header");
+	   }
+	   state->mode = ARB_fragment;
+
+	   state->option.TexRect =
+	      (state->ctx->Extensions.NV_texture_rectangle != GL_FALSE);
+	}
+	;
+
+optionSequence: optionSequence option
+	|
+	;
+
+option: OPTION string ';'
+	{
+	   int valid = 0;
+
+	   if (state->mode == ARB_vertex) {
+	      valid = _mesa_ARBvp_parse_option(state, $2);
+	   } else if (state->mode == ARB_fragment) {
+	      valid = _mesa_ARBfp_parse_option(state, $2);
+	   }
+
+
+	   free($2);
+
+	   if (!valid) {
+	      const char *const err_str = (state->mode == ARB_vertex)
+		 ? "invalid ARB vertex program option"
+		 : "invalid ARB fragment program option";
+
+	      yyerror(& @2, state, err_str);
+	      YYERROR;
+	   }
+	}
+	;
+
+statementSequence: statementSequence statement
+	|
+	;
+
+statement: instruction ';'
+	{
+	   if ($1 != NULL) {
+	      if (state->inst_tail == NULL) {
+		 state->inst_head = $1;
+	      } else {
+		 state->inst_tail->next = $1;
+	      }
+
+	      state->inst_tail = $1;
+	      $1->next = NULL;
+
+	      state->prog->NumInstructions++;
+	   }
+	}
+	| namingStatement ';'
+	;
+
+instruction: ALU_instruction
+	{
+	   $$ = $1;
+	   state->prog->NumAluInstructions++;
+	}
+	| TexInstruction
+	{
+	   $$ = $1;
+	   state->prog->NumTexInstructions++;
+	}
+	;
+
+ALU_instruction: ARL_instruction
+	| VECTORop_instruction
+	| SCALARop_instruction
+	| BINSCop_instruction
+	| BINop_instruction
+	| TRIop_instruction
+	| SWZ_instruction
+	;
+
+TexInstruction: SAMPLE_instruction
+	| KIL_instruction
+	| TXD_instruction
+	;
+
+ARL_instruction: ARL maskedAddrReg ',' scalarSrcReg
+	{
+	   $$ = asm_instruction_ctor(OPCODE_ARL, & $2, & $4, NULL, NULL);
+	}
+	;
+
+VECTORop_instruction: VECTOR_OP maskedDstReg ',' swizzleSrcReg
+	{
+	   $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
+	}
+	;
+
+SCALARop_instruction: SCALAR_OP maskedDstReg ',' scalarSrcReg
+	{
+	   $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
+	}
+	;
+
+BINSCop_instruction: BINSC_OP maskedDstReg ',' scalarSrcReg ',' scalarSrcReg
+	{
+	   $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, NULL);
+	}
+	;
+
+
+BINop_instruction: BIN_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg
+	{
+	   $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, NULL);
+	}
+	;
+
+TRIop_instruction: TRI_OP maskedDstReg ','
+                   swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg
+	{
+	   $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, & $8);
+	}
+	;
+
+SAMPLE_instruction: SAMPLE_OP maskedDstReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget
+	{
+	   $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
+	   if ($$ != NULL) {
+	      const GLbitfield tex_mask = (1U << $6);
+	      GLbitfield shadow_tex = 0;
+	      GLbitfield target_mask = 0;
+
+
+	      $$->Base.TexSrcUnit = $6;
+
+	      if ($8 < 0) {
+		 shadow_tex = tex_mask;
+
+		 $$->Base.TexSrcTarget = -$8;
+		 $$->Base.TexShadow = 1;
+	      } else {
+		 $$->Base.TexSrcTarget = $8;
+	      }
+
+	      target_mask = (1U << $$->Base.TexSrcTarget);
+
+	      /* If this texture unit was previously accessed and that access
+	       * had a different texture target, generate an error.
+	       *
+	       * If this texture unit was previously accessed and that access
+	       * had a different shadow mode, generate an error.
+	       */
+	      if ((state->prog->TexturesUsed[$6] != 0)
+		  && ((state->prog->TexturesUsed[$6] != target_mask)
+		      || ((state->prog->ShadowSamplers & tex_mask)
+			  != shadow_tex))) {
+		 yyerror(& @8, state,
+			 "multiple targets used on one texture image unit");
+		 YYERROR;
+	      }
+
+
+	      state->prog->TexturesUsed[$6] |= target_mask;
+	      state->prog->ShadowSamplers |= shadow_tex;
+	   }
+	}
+	;
+
+KIL_instruction: KIL swizzleSrcReg
+	{
+	   $$ = asm_instruction_ctor(OPCODE_KIL, NULL, & $2, NULL, NULL);
+	   state->fragment.UsesKill = 1;
+	}
+	| KIL ccTest
+	{
+	   $$ = asm_instruction_ctor(OPCODE_KIL_NV, NULL, NULL, NULL, NULL);
+	   $$->Base.DstReg.CondMask = $2.CondMask;
+	   $$->Base.DstReg.CondSwizzle = $2.CondSwizzle;
+	   $$->Base.DstReg.CondSrc = $2.CondSrc;
+	   state->fragment.UsesKill = 1;
+	}
+	;
+
+TXD_instruction: TXD_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget
+	{
+	   $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, & $6, & $8);
+	   if ($$ != NULL) {
+	      const GLbitfield tex_mask = (1U << $10);
+	      GLbitfield shadow_tex = 0;
+	      GLbitfield target_mask = 0;
+
+
+	      $$->Base.TexSrcUnit = $10;
+
+	      if ($12 < 0) {
+		 shadow_tex = tex_mask;
+
+		 $$->Base.TexSrcTarget = -$12;
+		 $$->Base.TexShadow = 1;
+	      } else {
+		 $$->Base.TexSrcTarget = $12;
+	      }
+
+	      target_mask = (1U << $$->Base.TexSrcTarget);
+
+	      /* If this texture unit was previously accessed and that access
+	       * had a different texture target, generate an error.
+	       *
+	       * If this texture unit was previously accessed and that access
+	       * had a different shadow mode, generate an error.
+	       */
+	      if ((state->prog->TexturesUsed[$10] != 0)
+		  && ((state->prog->TexturesUsed[$10] != target_mask)
+		      || ((state->prog->ShadowSamplers & tex_mask)
+			  != shadow_tex))) {
+		 yyerror(& @12, state,
+			 "multiple targets used on one texture image unit");
+		 YYERROR;
+	      }
+
+
+	      state->prog->TexturesUsed[$10] |= target_mask;
+	      state->prog->ShadowSamplers |= shadow_tex;
+	   }
+	}
+	;
+
+texImageUnit: TEXTURE_UNIT optTexImageUnitNum
+	{
+	   $$ = $2;
+	}
+	;
+
+texTarget: TEX_1D  { $$ = TEXTURE_1D_INDEX; }
+	| TEX_2D   { $$ = TEXTURE_2D_INDEX; }
+	| TEX_3D   { $$ = TEXTURE_3D_INDEX; }
+	| TEX_CUBE { $$ = TEXTURE_CUBE_INDEX; }
+	| TEX_RECT { $$ = TEXTURE_RECT_INDEX; }
+	| TEX_SHADOW1D   { $$ = -TEXTURE_1D_INDEX; }
+	| TEX_SHADOW2D   { $$ = -TEXTURE_2D_INDEX; }
+	| TEX_SHADOWRECT { $$ = -TEXTURE_RECT_INDEX; }
+	| TEX_ARRAY1D         { $$ = TEXTURE_1D_ARRAY_INDEX; }
+	| TEX_ARRAY2D         { $$ = TEXTURE_2D_ARRAY_INDEX; }
+	| TEX_ARRAYSHADOW1D   { $$ = -TEXTURE_1D_ARRAY_INDEX; }
+	| TEX_ARRAYSHADOW2D   { $$ = -TEXTURE_2D_ARRAY_INDEX; }
+	;
+
+SWZ_instruction: SWZ maskedDstReg ',' srcReg ',' extendedSwizzle
+	{
+	   /* FIXME: Is this correct?  Should the extenedSwizzle be applied
+	    * FIXME: to the existing swizzle?
+	    */
+	   $4.Base.Swizzle = $6.swizzle;
+	   $4.Base.Negate = $6.mask;
+
+	   $$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
+	}
+	;
+
+scalarSrcReg: optionalSign scalarUse
+	{
+	   $$ = $2;
+
+	   if ($1) {
+	      $$.Base.Negate = ~$$.Base.Negate;
+	   }
+	}
+	| optionalSign '|' scalarUse '|'
+	{
+	   $$ = $3;
+
+	   if (!state->option.NV_fragment) {
+	      yyerror(& @2, state, "unexpected character '|'");
+	      YYERROR;
+	   }
+
+	   if ($1) {
+	      $$.Base.Negate = ~$$.Base.Negate;
+	   }
+
+	   $$.Base.Abs = 1;
+	}
+	;
+
+scalarUse:  srcReg scalarSuffix
+	{
+	   $$ = $1;
+
+	   $$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
+						    $2.swizzle);
+	}
+	| paramConstScalarUse
+	{
+	   struct asm_symbol temp_sym;
+
+	   if (!state->option.NV_fragment) {
+	      yyerror(& @1, state, "expected scalar suffix");
+	      YYERROR;
+	   }
+
+	   memset(& temp_sym, 0, sizeof(temp_sym));
+	   temp_sym.param_binding_begin = ~0;
+	   initialize_symbol_from_const(state->prog, & temp_sym, & $1, GL_TRUE);
+
+	   set_src_reg_swz(& $$, PROGRAM_CONSTANT,
+                           temp_sym.param_binding_begin,
+                           temp_sym.param_binding_swizzle);
+	}
+	;
+
+swizzleSrcReg: optionalSign srcReg swizzleSuffix
+	{
+	   $$ = $2;
+
+	   if ($1) {
+	      $$.Base.Negate = ~$$.Base.Negate;
+	   }
+
+	   $$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
+						    $3.swizzle);
+	}
+	| optionalSign '|' srcReg swizzleSuffix '|'
+	{
+	   $$ = $3;
+
+	   if (!state->option.NV_fragment) {
+	      yyerror(& @2, state, "unexpected character '|'");
+	      YYERROR;
+	   }
+
+	   if ($1) {
+	      $$.Base.Negate = ~$$.Base.Negate;
+	   }
+
+	   $$.Base.Abs = 1;
+	   $$.Base.Swizzle = _mesa_combine_swizzles($$.Base.Swizzle,
+						    $4.swizzle);
+	}
+
+	;
+
+maskedDstReg: dstReg optionalMask optionalCcMask
+	{
+	   $$ = $1;
+	   $$.WriteMask = $2.mask;
+	   $$.CondMask = $3.CondMask;
+	   $$.CondSwizzle = $3.CondSwizzle;
+	   $$.CondSrc = $3.CondSrc;
+
+	   if ($$.File == PROGRAM_OUTPUT) {
+	      /* Technically speaking, this should check that it is in
+	       * vertex program mode.  However, PositionInvariant can never be
+	       * set in fragment program mode, so it is somewhat irrelevant.
+	       */
+	      if (state->option.PositionInvariant
+	       && ($$.Index == VERT_RESULT_HPOS)) {
+		 yyerror(& @1, state, "position-invariant programs cannot "
+			 "write position");
+		 YYERROR;
+	      }
+
+	      state->prog->OutputsWritten |= BITFIELD64_BIT($$.Index);
+	   }
+	}
+	;
+
+maskedAddrReg: addrReg addrWriteMask
+	{
+	   set_dst_reg(& $$, PROGRAM_ADDRESS, 0);
+	   $$.WriteMask = $2.mask;
+	}
+	;
+
+extendedSwizzle: extSwizComp ',' extSwizComp ',' extSwizComp ',' extSwizComp
+	{
+	   const unsigned xyzw_valid =
+	      ($1.xyzw_valid << 0)
+	      | ($3.xyzw_valid << 1)
+	      | ($5.xyzw_valid << 2)
+	      | ($7.xyzw_valid << 3);
+	   const unsigned rgba_valid =
+	      ($1.rgba_valid << 0)
+	      | ($3.rgba_valid << 1)
+	      | ($5.rgba_valid << 2)
+	      | ($7.rgba_valid << 3);
+
+	   /* All of the swizzle components have to be valid in either RGBA
+	    * or XYZW.  Note that 0 and 1 are valid in both, so both masks
+	    * can have some bits set.
+	    *
+	    * We somewhat deviate from the spec here.  It would be really hard
+	    * to figure out which component is the error, and there probably
+	    * isn't a lot of benefit.
+	    */
+	   if ((rgba_valid != 0x0f) && (xyzw_valid != 0x0f)) {
+	      yyerror(& @1, state, "cannot combine RGBA and XYZW swizzle "
+		      "components");
+	      YYERROR;
+	   }
+
+	   $$.swizzle = MAKE_SWIZZLE4($1.swz, $3.swz, $5.swz, $7.swz);
+	   $$.mask = ($1.negate) | ($3.negate << 1) | ($5.negate << 2)
+	      | ($7.negate << 3);
+	}
+	;
+
+extSwizComp: optionalSign extSwizSel
+	{
+	   $$ = $2;
+	   $$.negate = ($1) ? 1 : 0;
+	}
+	;
+
+extSwizSel: INTEGER
+	{
+	   if (($1 != 0) && ($1 != 1)) {
+	      yyerror(& @1, state, "invalid extended swizzle selector");
+	      YYERROR;
+	   }
+
+	   $$.swz = ($1 == 0) ? SWIZZLE_ZERO : SWIZZLE_ONE;
+
+	   /* 0 and 1 are valid for both RGBA swizzle names and XYZW
+	    * swizzle names.
+	    */
+	   $$.xyzw_valid = 1;
+	   $$.rgba_valid = 1;
+	}
+	| string
+	{
+	   char s;
+
+	   if (strlen($1) > 1) {
+	      yyerror(& @1, state, "invalid extended swizzle selector");
+	      YYERROR;
+	   }
+
+	   s = $1[0];
+	   free($1);
+
+	   switch (s) {
+	   case 'x':
+	      $$.swz = SWIZZLE_X;
+	      $$.xyzw_valid = 1;
+	      break;
+	   case 'y':
+	      $$.swz = SWIZZLE_Y;
+	      $$.xyzw_valid = 1;
+	      break;
+	   case 'z':
+	      $$.swz = SWIZZLE_Z;
+	      $$.xyzw_valid = 1;
+	      break;
+	   case 'w':
+	      $$.swz = SWIZZLE_W;
+	      $$.xyzw_valid = 1;
+	      break;
+
+	   case 'r':
+	      $$.swz = SWIZZLE_X;
+	      $$.rgba_valid = 1;
+	      break;
+	   case 'g':
+	      $$.swz = SWIZZLE_Y;
+	      $$.rgba_valid = 1;
+	      break;
+	   case 'b':
+	      $$.swz = SWIZZLE_Z;
+	      $$.rgba_valid = 1;
+	      break;
+	   case 'a':
+	      $$.swz = SWIZZLE_W;
+	      $$.rgba_valid = 1;
+	      break;
+
+	   default:
+	      yyerror(& @1, state, "invalid extended swizzle selector");
+	      YYERROR;
+	      break;
+	   }
+	}
+	;
+
+srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */
+	{
+	   struct asm_symbol *const s = (struct asm_symbol *)
+	      _mesa_symbol_table_find_symbol(state->st, 0, $1);
+
+	   free($1);
+
+	   if (s == NULL) {
+	      yyerror(& @1, state, "invalid operand variable");
+	      YYERROR;
+	   } else if ((s->type != at_param) && (s->type != at_temp)
+		      && (s->type != at_attrib)) {
+	      yyerror(& @1, state, "invalid operand variable");
+	      YYERROR;
+	   } else if ((s->type == at_param) && s->param_is_array) {
+	      yyerror(& @1, state, "non-array access to array PARAM");
+	      YYERROR;
+	   }
+
+	   init_src_reg(& $$);
+	   switch (s->type) {
+	   case at_temp:
+	      set_src_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding);
+	      break;
+	   case at_param:
+              set_src_reg_swz(& $$, s->param_binding_type,
+                              s->param_binding_begin,
+                              s->param_binding_swizzle);
+	      break;
+	   case at_attrib:
+	      set_src_reg(& $$, PROGRAM_INPUT, s->attrib_binding);
+	      state->prog->InputsRead |= (1U << $$.Base.Index);
+
+	      if (!validate_inputs(& @1, state)) {
+		 YYERROR;
+	      }
+	      break;
+
+	   default:
+	      YYERROR;
+	      break;
+	   }
+	}
+	| attribBinding
+	{
+	   set_src_reg(& $$, PROGRAM_INPUT, $1);
+	   state->prog->InputsRead |= (1U << $$.Base.Index);
+
+	   if (!validate_inputs(& @1, state)) {
+	      YYERROR;
+	   }
+	}
+	| progParamArray '[' progParamArrayMem ']'
+	{
+	   if (! $3.Base.RelAddr
+	       && ((unsigned) $3.Base.Index >= $1->param_binding_length)) {
+	      yyerror(& @3, state, "out of bounds array access");
+	      YYERROR;
+	   }
+
+	   init_src_reg(& $$);
+	   $$.Base.File = $1->param_binding_type;
+
+	   if ($3.Base.RelAddr) {
+              state->prog->IndirectRegisterFiles |= (1 << $$.Base.File);
+	      $1->param_accessed_indirectly = 1;
+
+	      $$.Base.RelAddr = 1;
+	      $$.Base.Index = $3.Base.Index;
+	      $$.Symbol = $1;
+	   } else {
+	      $$.Base.Index = $1->param_binding_begin + $3.Base.Index;
+	   }
+	}
+	| paramSingleItemUse
+	{
+           gl_register_file file = ($1.name != NULL) 
+	      ? $1.param_binding_type
+	      : PROGRAM_CONSTANT;
+           set_src_reg_swz(& $$, file, $1.param_binding_begin,
+                           $1.param_binding_swizzle);
+	}
+	;
+
+dstReg: resultBinding
+	{
+	   set_dst_reg(& $$, PROGRAM_OUTPUT, $1);
+	}
+	| USED_IDENTIFIER /* temporaryReg | vertexResultReg */
+	{
+	   struct asm_symbol *const s = (struct asm_symbol *)
+	      _mesa_symbol_table_find_symbol(state->st, 0, $1);
+
+	   free($1);
+
+	   if (s == NULL) {
+	      yyerror(& @1, state, "invalid operand variable");
+	      YYERROR;
+	   } else if ((s->type != at_output) && (s->type != at_temp)) {
+	      yyerror(& @1, state, "invalid operand variable");
+	      YYERROR;
+	   }
+
+	   switch (s->type) {
+	   case at_temp:
+	      set_dst_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding);
+	      break;
+	   case at_output:
+	      set_dst_reg(& $$, PROGRAM_OUTPUT, s->output_binding);
+	      break;
+	   default:
+	      set_dst_reg(& $$, s->param_binding_type, s->param_binding_begin);
+	      break;
+	   }
+	}
+	;
+
+progParamArray: USED_IDENTIFIER
+	{
+	   struct asm_symbol *const s = (struct asm_symbol *)
+	      _mesa_symbol_table_find_symbol(state->st, 0, $1);
+
+	   free($1);
+
+	   if (s == NULL) {
+	      yyerror(& @1, state, "invalid operand variable");
+	      YYERROR;
+	   } else if ((s->type != at_param) || !s->param_is_array) {
+	      yyerror(& @1, state, "array access to non-PARAM variable");
+	      YYERROR;
+	   } else {
+	      $$ = s;
+	   }
+	}
+	;
+
+progParamArrayMem: progParamArrayAbs | progParamArrayRel;
+
+progParamArrayAbs: INTEGER
+	{
+	   init_src_reg(& $$);
+	   $$.Base.Index = $1;
+	}
+	;
+
+progParamArrayRel: addrReg addrComponent addrRegRelOffset
+	{
+	   /* FINISHME: Add support for multiple address registers.
+	    */
+	   /* FINISHME: Add support for 4-component address registers.
+	    */
+	   init_src_reg(& $$);
+	   $$.Base.RelAddr = 1;
+	   $$.Base.Index = $3;
+	}
+	;
+
+addrRegRelOffset:              { $$ = 0; }
+	| '+' addrRegPosOffset { $$ = $2; }
+	| '-' addrRegNegOffset { $$ = -$2; }
+	;
+
+addrRegPosOffset: INTEGER
+	{
+	   if (($1 < 0) || ($1 > 4095)) {
+              char s[100];
+              _mesa_snprintf(s, sizeof(s),
+                             "relative address offset too large (%d)", $1);
+	      yyerror(& @1, state, s);
+	      YYERROR;
+	   } else {
+	      $$ = $1;
+	   }
+	}
+	;
+
+addrRegNegOffset: INTEGER
+	{
+	   if (($1 < 0) || ($1 > 4096)) {
+              char s[100];
+              _mesa_snprintf(s, sizeof(s),
+                             "relative address offset too large (%d)", $1);
+	      yyerror(& @1, state, s);
+	      YYERROR;
+	   } else {
+	      $$ = $1;
+	   }
+	}
+	;
+
+addrReg: USED_IDENTIFIER
+	{
+	   struct asm_symbol *const s = (struct asm_symbol *)
+	      _mesa_symbol_table_find_symbol(state->st, 0, $1);
+
+	   free($1);
+
+	   if (s == NULL) {
+	      yyerror(& @1, state, "invalid array member");
+	      YYERROR;
+	   } else if (s->type != at_address) {
+	      yyerror(& @1, state,
+		      "invalid variable for indexed array access");
+	      YYERROR;
+	   } else {
+	      $$ = s;
+	   }
+	}
+	;
+
+addrComponent: MASK1
+	{
+	   if ($1.mask != WRITEMASK_X) {
+	      yyerror(& @1, state, "invalid address component selector");
+	      YYERROR;
+	   } else {
+	      $$ = $1;
+	   }
+	}
+	;
+
+addrWriteMask: MASK1
+	{
+	   if ($1.mask != WRITEMASK_X) {
+	      yyerror(& @1, state,
+		      "address register write mask must be \".x\"");
+	      YYERROR;
+	   } else {
+	      $$ = $1;
+	   }
+	}
+	;
+
+scalarSuffix: MASK1;
+
+swizzleSuffix: MASK1
+	| MASK4
+	| SWIZZLE
+	|              { $$.swizzle = SWIZZLE_NOOP; $$.mask = WRITEMASK_XYZW; }
+	;
+
+optionalMask: MASK4 | MASK3 | MASK2 | MASK1 
+	|              { $$.swizzle = SWIZZLE_NOOP; $$.mask = WRITEMASK_XYZW; }
+	;
+
+optionalCcMask: '(' ccTest ')'
+	{
+	   $$ = $2;
+	}
+	| '(' ccTest2 ')'
+	{
+	   $$ = $2;
+	}
+	|
+	{
+	   $$.CondMask = COND_TR;
+	   $$.CondSwizzle = SWIZZLE_NOOP;
+	   $$.CondSrc = 0;
+	}
+	;
+
+ccTest: ccMaskRule swizzleSuffix
+	{
+	   $$ = $1;
+	   $$.CondSwizzle = $2.swizzle;
+	}
+	;
+
+ccTest2: ccMaskRule2 swizzleSuffix
+	{
+	   $$ = $1;
+	   $$.CondSwizzle = $2.swizzle;
+	}
+	;
+
+ccMaskRule: IDENTIFIER
+	{
+	   const int cond = _mesa_parse_cc($1);
+	   if ((cond == 0) || ($1[2] != '\0')) {
+	      char *const err_str =
+		 make_error_string("invalid condition code \"%s\"", $1);
+
+	      yyerror(& @1, state, (err_str != NULL)
+		      ? err_str : "invalid condition code");
+
+	      if (err_str != NULL) {
+		 free(err_str);
+	      }
+
+	      YYERROR;
+	   }
+
+	   $$.CondMask = cond;
+	   $$.CondSwizzle = SWIZZLE_NOOP;
+	   $$.CondSrc = 0;
+	}
+	;
+
+ccMaskRule2: USED_IDENTIFIER
+	{
+	   const int cond = _mesa_parse_cc($1);
+	   if ((cond == 0) || ($1[2] != '\0')) {
+	      char *const err_str =
+		 make_error_string("invalid condition code \"%s\"", $1);
+
+	      yyerror(& @1, state, (err_str != NULL)
+		      ? err_str : "invalid condition code");
+
+	      if (err_str != NULL) {
+		 free(err_str);
+	      }
+
+	      YYERROR;
+	   }
+
+	   $$.CondMask = cond;
+	   $$.CondSwizzle = SWIZZLE_NOOP;
+	   $$.CondSrc = 0;
+	}
+	;
+
+namingStatement: ATTRIB_statement
+	| PARAM_statement
+	| TEMP_statement
+	| ADDRESS_statement
+	| OUTPUT_statement
+	| ALIAS_statement
+	;
+
+ATTRIB_statement: ATTRIB IDENTIFIER '=' attribBinding
+	{
+	   struct asm_symbol *const s =
+	      declare_variable(state, $2, at_attrib, & @2);
+
+	   if (s == NULL) {
+	      free($2);
+	      YYERROR;
+	   } else {
+	      s->attrib_binding = $4;
+	      state->InputsBound |= (1U << s->attrib_binding);
+
+	      if (!validate_inputs(& @4, state)) {
+		 YYERROR;
+	      }
+	   }
+	}
+	;
+
+attribBinding: VERTEX vtxAttribItem
+	{
+	   $$ = $2;
+	}
+	| FRAGMENT fragAttribItem
+	{
+	   $$ = $2;
+	}
+	;
+
+vtxAttribItem: POSITION
+	{
+	   $$ = VERT_ATTRIB_POS;
+	}
+	| WEIGHT vtxOptWeightNum
+	{
+	   $$ = VERT_ATTRIB_WEIGHT;
+	}
+	| NORMAL
+	{
+	   $$ = VERT_ATTRIB_NORMAL;
+	}
+	| COLOR optColorType
+	{
+	   if (!state->ctx->Extensions.EXT_secondary_color) {
+	      yyerror(& @2, state, "GL_EXT_secondary_color not supported");
+	      YYERROR;
+	   }
+
+	   $$ = VERT_ATTRIB_COLOR0 + $2;
+	}
+	| FOGCOORD
+	{
+	   if (!state->ctx->Extensions.EXT_fog_coord) {
+	      yyerror(& @1, state, "GL_EXT_fog_coord not supported");
+	      YYERROR;
+	   }
+
+	   $$ = VERT_ATTRIB_FOG;
+	}
+	| TEXCOORD optTexCoordUnitNum
+	{
+	   $$ = VERT_ATTRIB_TEX0 + $2;
+	}
+	| MATRIXINDEX '[' vtxWeightNum ']'
+	{
+	   yyerror(& @1, state, "GL_ARB_matrix_palette not supported");
+	   YYERROR;
+	}
+	| VTXATTRIB '[' vtxAttribNum ']'
+	{
+	   $$ = VERT_ATTRIB_GENERIC0 + $3;
+	}
+	;
+
+vtxAttribNum: INTEGER
+	{
+	   if ((unsigned) $1 >= state->limits->MaxAttribs) {
+	      yyerror(& @1, state, "invalid vertex attribute reference");
+	      YYERROR;
+	   }
+
+	   $$ = $1;
+	}
+	;
+
+vtxOptWeightNum:  | '[' vtxWeightNum ']';
+vtxWeightNum: INTEGER;
+
+fragAttribItem: POSITION
+	{
+	   $$ = FRAG_ATTRIB_WPOS;
+	}
+	| COLOR optColorType
+	{
+	   $$ = FRAG_ATTRIB_COL0 + $2;
+	}
+	| FOGCOORD
+	{
+	   $$ = FRAG_ATTRIB_FOGC;
+	}
+	| TEXCOORD optTexCoordUnitNum
+	{
+	   $$ = FRAG_ATTRIB_TEX0 + $2;
+	}
+	;
+
+PARAM_statement: PARAM_singleStmt | PARAM_multipleStmt;
+
+PARAM_singleStmt: PARAM IDENTIFIER paramSingleInit
+	{
+	   struct asm_symbol *const s =
+	      declare_variable(state, $2, at_param, & @2);
+
+	   if (s == NULL) {
+	      free($2);
+	      YYERROR;
+	   } else {
+	      s->param_binding_type = $3.param_binding_type;
+	      s->param_binding_begin = $3.param_binding_begin;
+	      s->param_binding_length = $3.param_binding_length;
+              s->param_binding_swizzle = $3.param_binding_swizzle;
+	      s->param_is_array = 0;
+	   }
+	}
+	;
+
+PARAM_multipleStmt: PARAM IDENTIFIER '[' optArraySize ']' paramMultipleInit
+	{
+	   if (($4 != 0) && ((unsigned) $4 != $6.param_binding_length)) {
+	      free($2);
+	      yyerror(& @4, state, 
+		      "parameter array size and number of bindings must match");
+	      YYERROR;
+	   } else {
+	      struct asm_symbol *const s =
+		 declare_variable(state, $2, $6.type, & @2);
+
+	      if (s == NULL) {
+		 free($2);
+		 YYERROR;
+	      } else {
+		 s->param_binding_type = $6.param_binding_type;
+		 s->param_binding_begin = $6.param_binding_begin;
+		 s->param_binding_length = $6.param_binding_length;
+                 s->param_binding_swizzle = SWIZZLE_XYZW;
+		 s->param_is_array = 1;
+	      }
+	   }
+	}
+	;
+
+optArraySize:
+	{
+	   $$ = 0;
+	}
+	| INTEGER
+        {
+	   if (($1 < 1) || ((unsigned) $1 > state->limits->MaxParameters)) {
+	      yyerror(& @1, state, "invalid parameter array size");
+	      YYERROR;
+	   } else {
+	      $$ = $1;
+	   }
+	}
+	;
+
+paramSingleInit: '=' paramSingleItemDecl
+	{
+	   $$ = $2;
+	}
+	;
+
+paramMultipleInit: '=' '{' paramMultInitList '}'
+	{
+	   $$ = $3;
+	}
+	;
+
+paramMultInitList: paramMultipleItem
+	| paramMultInitList ',' paramMultipleItem
+	{
+	   $1.param_binding_length += $3.param_binding_length;
+	   $$ = $1;
+	}
+	;
+
+paramSingleItemDecl: stateSingleItem
+	{
+	   memset(& $$, 0, sizeof($$));
+	   $$.param_binding_begin = ~0;
+	   initialize_symbol_from_state(state->prog, & $$, $1);
+	}
+	| programSingleItem
+	{
+	   memset(& $$, 0, sizeof($$));
+	   $$.param_binding_begin = ~0;
+	   initialize_symbol_from_param(state->prog, & $$, $1);
+	}
+	| paramConstDecl
+	{
+	   memset(& $$, 0, sizeof($$));
+	   $$.param_binding_begin = ~0;
+	   initialize_symbol_from_const(state->prog, & $$, & $1, GL_TRUE);
+	}
+	;
+
+paramSingleItemUse: stateSingleItem
+	{
+	   memset(& $$, 0, sizeof($$));
+	   $$.param_binding_begin = ~0;
+	   initialize_symbol_from_state(state->prog, & $$, $1);
+	}
+	| programSingleItem
+	{
+	   memset(& $$, 0, sizeof($$));
+	   $$.param_binding_begin = ~0;
+	   initialize_symbol_from_param(state->prog, & $$, $1);
+	}
+	| paramConstUse
+	{
+	   memset(& $$, 0, sizeof($$));
+	   $$.param_binding_begin = ~0;
+	   initialize_symbol_from_const(state->prog, & $$, & $1, GL_TRUE);
+	}
+	;
+
+paramMultipleItem: stateMultipleItem
+	{
+	   memset(& $$, 0, sizeof($$));
+	   $$.param_binding_begin = ~0;
+	   initialize_symbol_from_state(state->prog, & $$, $1);
+	}
+	| programMultipleItem
+	{
+	   memset(& $$, 0, sizeof($$));
+	   $$.param_binding_begin = ~0;
+	   initialize_symbol_from_param(state->prog, & $$, $1);
+	}
+	| paramConstDecl
+	{
+	   memset(& $$, 0, sizeof($$));
+	   $$.param_binding_begin = ~0;
+	   initialize_symbol_from_const(state->prog, & $$, & $1, GL_FALSE);
+	}
+	;
+
+stateMultipleItem: stateSingleItem        { memcpy($$, $1, sizeof($$)); }
+	| STATE stateMatrixRows           { memcpy($$, $2, sizeof($$)); }
+	;
+
+stateSingleItem: STATE stateMaterialItem  { memcpy($$, $2, sizeof($$)); }
+	| STATE stateLightItem            { memcpy($$, $2, sizeof($$)); }
+	| STATE stateLightModelItem       { memcpy($$, $2, sizeof($$)); }
+	| STATE stateLightProdItem        { memcpy($$, $2, sizeof($$)); }
+	| STATE stateTexGenItem           { memcpy($$, $2, sizeof($$)); }
+	| STATE stateTexEnvItem           { memcpy($$, $2, sizeof($$)); }
+	| STATE stateFogItem              { memcpy($$, $2, sizeof($$)); }
+	| STATE stateClipPlaneItem        { memcpy($$, $2, sizeof($$)); }
+	| STATE statePointItem            { memcpy($$, $2, sizeof($$)); }
+	| STATE stateMatrixRow            { memcpy($$, $2, sizeof($$)); }
+	| STATE stateDepthItem            { memcpy($$, $2, sizeof($$)); }
+	;
+
+stateMaterialItem: MATERIAL optFaceType stateMatProperty
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = STATE_MATERIAL;
+	   $$[1] = $2;
+	   $$[2] = $3;
+	}
+	;
+
+stateMatProperty: ambDiffSpecProperty
+	{
+	   $$ = $1;
+	}
+	| EMISSION
+	{
+	   $$ = STATE_EMISSION;
+	}
+	| SHININESS
+	{
+	   $$ = STATE_SHININESS;
+	}
+	;
+
+stateLightItem: LIGHT '[' stateLightNumber ']' stateLightProperty
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = STATE_LIGHT;
+	   $$[1] = $3;
+	   $$[2] = $5;
+	}
+	;
+
+stateLightProperty: ambDiffSpecProperty
+	{
+	   $$ = $1;
+	}
+	| POSITION
+	{
+	   $$ = STATE_POSITION;
+	}
+	| ATTENUATION
+	{
+	   if (!state->ctx->Extensions.EXT_point_parameters) {
+	      yyerror(& @1, state, "GL_ARB_point_parameters not supported");
+	      YYERROR;
+	   }
+
+	   $$ = STATE_ATTENUATION;
+	}
+	| SPOT stateSpotProperty
+	{
+	   $$ = $2;
+	}
+	| HALF
+	{
+	   $$ = STATE_HALF_VECTOR;
+	}
+	;
+
+stateSpotProperty: DIRECTION
+	{
+	   $$ = STATE_SPOT_DIRECTION;
+	}
+	;
+
+stateLightModelItem: LIGHTMODEL stateLModProperty
+	{
+	   $$[0] = $2[0];
+	   $$[1] = $2[1];
+	}
+	;
+
+stateLModProperty: AMBIENT
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = STATE_LIGHTMODEL_AMBIENT;
+	}
+	| optFaceType SCENECOLOR
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = STATE_LIGHTMODEL_SCENECOLOR;
+	   $$[1] = $1;
+	}
+	;
+
+stateLightProdItem: LIGHTPROD '[' stateLightNumber ']' optFaceType stateLProdProperty
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = STATE_LIGHTPROD;
+	   $$[1] = $3;
+	   $$[2] = $5;
+	   $$[3] = $6;
+	}
+	;
+
+stateLProdProperty: ambDiffSpecProperty;
+
+stateTexEnvItem: TEXENV optLegacyTexUnitNum stateTexEnvProperty
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = $3;
+	   $$[1] = $2;
+	}
+	;
+
+stateTexEnvProperty: COLOR
+	{
+	   $$ = STATE_TEXENV_COLOR;
+	}
+	;
+
+ambDiffSpecProperty: AMBIENT
+	{
+	   $$ = STATE_AMBIENT;
+	}
+	| DIFFUSE
+	{
+	   $$ = STATE_DIFFUSE;
+	}
+	| SPECULAR
+	{
+	   $$ = STATE_SPECULAR;
+	}
+	;
+
+stateLightNumber: INTEGER
+	{
+	   if ((unsigned) $1 >= state->MaxLights) {
+	      yyerror(& @1, state, "invalid light selector");
+	      YYERROR;
+	   }
+
+	   $$ = $1;
+	}
+	;
+
+stateTexGenItem: TEXGEN optTexCoordUnitNum stateTexGenType stateTexGenCoord
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = STATE_TEXGEN;
+	   $$[1] = $2;
+	   $$[2] = $3 + $4;
+	}
+	;
+
+stateTexGenType: EYE
+	{
+	   $$ = STATE_TEXGEN_EYE_S;
+	}
+	| OBJECT
+	{
+	   $$ = STATE_TEXGEN_OBJECT_S;
+	}
+	;
+stateTexGenCoord: TEXGEN_S
+	{
+	   $$ = STATE_TEXGEN_EYE_S - STATE_TEXGEN_EYE_S;
+	}
+	| TEXGEN_T
+	{
+	   $$ = STATE_TEXGEN_EYE_T - STATE_TEXGEN_EYE_S;
+	}
+	| TEXGEN_R
+	{
+	   $$ = STATE_TEXGEN_EYE_R - STATE_TEXGEN_EYE_S;
+	}
+	| TEXGEN_Q
+	{
+	   $$ = STATE_TEXGEN_EYE_Q - STATE_TEXGEN_EYE_S;
+	}
+	;
+
+stateFogItem: FOG stateFogProperty
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = $2;
+	}
+	;
+
+stateFogProperty: COLOR
+	{
+	   $$ = STATE_FOG_COLOR;
+	}
+	| PARAMS
+	{
+	   $$ = STATE_FOG_PARAMS;
+	}
+	;
+
+stateClipPlaneItem: CLIP '[' stateClipPlaneNum ']' PLANE
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = STATE_CLIPPLANE;
+	   $$[1] = $3;
+	}
+	;
+
+stateClipPlaneNum: INTEGER
+	{
+	   if ((unsigned) $1 >= state->MaxClipPlanes) {
+	      yyerror(& @1, state, "invalid clip plane selector");
+	      YYERROR;
+	   }
+
+	   $$ = $1;
+	}
+	;
+
+statePointItem: POINT_TOK statePointProperty
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = $2;
+	}
+	;
+
+statePointProperty: SIZE_TOK
+	{
+	   $$ = STATE_POINT_SIZE;
+	}
+	| ATTENUATION
+	{
+	   $$ = STATE_POINT_ATTENUATION;
+	}
+	;
+
+stateMatrixRow: stateMatrixItem ROW '[' stateMatrixRowNum ']'
+	{
+	   $$[0] = $1[0];
+	   $$[1] = $1[1];
+	   $$[2] = $4;
+	   $$[3] = $4;
+	   $$[4] = $1[2];
+	}
+	;
+
+stateMatrixRows: stateMatrixItem optMatrixRows
+	{
+	   $$[0] = $1[0];
+	   $$[1] = $1[1];
+	   $$[2] = $2[2];
+	   $$[3] = $2[3];
+	   $$[4] = $1[2];
+	}
+	;
+
+optMatrixRows:
+	{
+	   $$[2] = 0;
+	   $$[3] = 3;
+	}
+	| ROW '[' stateMatrixRowNum DOT_DOT stateMatrixRowNum ']'
+	{
+	   /* It seems logical that the matrix row range specifier would have
+	    * to specify a range or more than one row (i.e., $5 > $3).
+	    * However, the ARB_vertex_program spec says "a program will fail
+	    * to load if <a> is greater than <b>."  This means that $3 == $5
+	    * is valid.
+	    */
+	   if ($3 > $5) {
+	      yyerror(& @3, state, "invalid matrix row range");
+	      YYERROR;
+	   }
+
+	   $$[2] = $3;
+	   $$[3] = $5;
+	}
+	;
+
+stateMatrixItem: MATRIX stateMatrixName stateOptMatModifier
+	{
+	   $$[0] = $2[0];
+	   $$[1] = $2[1];
+	   $$[2] = $3;
+	}
+	;
+
+stateOptMatModifier: 
+	{
+	   $$ = 0;
+	}
+	| stateMatModifier
+	{
+	   $$ = $1;
+	}
+	;
+
+stateMatModifier: INVERSE 
+	{
+	   $$ = STATE_MATRIX_INVERSE;
+	}
+	| TRANSPOSE 
+	{
+	   $$ = STATE_MATRIX_TRANSPOSE;
+	}
+	| INVTRANS
+	{
+	   $$ = STATE_MATRIX_INVTRANS;
+	}
+	;
+
+stateMatrixRowNum: INTEGER
+	{
+	   if ($1 > 3) {
+	      yyerror(& @1, state, "invalid matrix row reference");
+	      YYERROR;
+	   }
+
+	   $$ = $1;
+	}
+	;
+
+stateMatrixName: MODELVIEW stateOptModMatNum
+	{
+	   $$[0] = STATE_MODELVIEW_MATRIX;
+	   $$[1] = $2;
+	}
+	| PROJECTION
+	{
+	   $$[0] = STATE_PROJECTION_MATRIX;
+	   $$[1] = 0;
+	}
+	| MVP
+	{
+	   $$[0] = STATE_MVP_MATRIX;
+	   $$[1] = 0;
+	}
+	| TEXTURE optTexCoordUnitNum
+	{
+	   $$[0] = STATE_TEXTURE_MATRIX;
+	   $$[1] = $2;
+	}
+	| PALETTE '[' statePaletteMatNum ']'
+	{
+	   yyerror(& @1, state, "GL_ARB_matrix_palette not supported");
+	   YYERROR;
+	}
+	| MAT_PROGRAM '[' stateProgramMatNum ']'
+	{
+	   $$[0] = STATE_PROGRAM_MATRIX;
+	   $$[1] = $3;
+	}
+	;
+
+stateOptModMatNum:
+	{
+	   $$ = 0;
+	}
+	| '[' stateModMatNum ']'
+	{
+	   $$ = $2;
+	}
+	;
+stateModMatNum: INTEGER
+	{
+	   /* Since GL_ARB_vertex_blend isn't supported, only modelview matrix
+	    * zero is valid.
+	    */
+	   if ($1 != 0) {
+	      yyerror(& @1, state, "invalid modelview matrix index");
+	      YYERROR;
+	   }
+
+	   $$ = $1;
+	}
+	;
+statePaletteMatNum: INTEGER
+	{
+	   /* Since GL_ARB_matrix_palette isn't supported, just let any value
+	    * through here.  The error will be generated later.
+	    */
+	   $$ = $1;
+	}
+	;
+stateProgramMatNum: INTEGER
+	{
+	   if ((unsigned) $1 >= state->MaxProgramMatrices) {
+	      yyerror(& @1, state, "invalid program matrix selector");
+	      YYERROR;
+	   }
+
+	   $$ = $1;
+	}
+	;
+
+stateDepthItem: DEPTH RANGE
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = STATE_DEPTH_RANGE;
+	}
+	;
+
+
+programSingleItem: progEnvParam | progLocalParam;
+
+programMultipleItem: progEnvParams | progLocalParams;
+
+progEnvParams: PROGRAM ENV '[' progEnvParamNums ']'
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = state->state_param_enum;
+	   $$[1] = STATE_ENV;
+	   $$[2] = $4[0];
+	   $$[3] = $4[1];
+	}
+	;
+
+progEnvParamNums: progEnvParamNum
+	{
+	   $$[0] = $1;
+	   $$[1] = $1;
+	}
+	| progEnvParamNum DOT_DOT progEnvParamNum
+	{
+	   $$[0] = $1;
+	   $$[1] = $3;
+	}
+	;
+
+progEnvParam: PROGRAM ENV '[' progEnvParamNum ']'
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = state->state_param_enum;
+	   $$[1] = STATE_ENV;
+	   $$[2] = $4;
+	   $$[3] = $4;
+	}
+	;
+
+progLocalParams: PROGRAM LOCAL '[' progLocalParamNums ']'
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = state->state_param_enum;
+	   $$[1] = STATE_LOCAL;
+	   $$[2] = $4[0];
+	   $$[3] = $4[1];
+	}
+
+progLocalParamNums: progLocalParamNum
+	{
+	   $$[0] = $1;
+	   $$[1] = $1;
+	}
+	| progLocalParamNum DOT_DOT progLocalParamNum
+	{
+	   $$[0] = $1;
+	   $$[1] = $3;
+	}
+	;
+
+progLocalParam: PROGRAM LOCAL '[' progLocalParamNum ']'
+	{
+	   memset($$, 0, sizeof($$));
+	   $$[0] = state->state_param_enum;
+	   $$[1] = STATE_LOCAL;
+	   $$[2] = $4;
+	   $$[3] = $4;
+	}
+	;
+
+progEnvParamNum: INTEGER
+	{
+	   if ((unsigned) $1 >= state->limits->MaxEnvParams) {
+	      yyerror(& @1, state, "invalid environment parameter reference");
+	      YYERROR;
+	   }
+	   $$ = $1;
+	}
+	;
+
+progLocalParamNum: INTEGER
+	{
+	   if ((unsigned) $1 >= state->limits->MaxLocalParams) {
+	      yyerror(& @1, state, "invalid local parameter reference");
+	      YYERROR;
+	   }
+	   $$ = $1;
+	}
+	;
+
+
+
+paramConstDecl: paramConstScalarDecl | paramConstVector;
+paramConstUse: paramConstScalarUse | paramConstVector;
+
+paramConstScalarDecl: signedFloatConstant
+	{
+	   $$.count = 4;
+	   $$.data[0] = $1;
+	   $$.data[1] = $1;
+	   $$.data[2] = $1;
+	   $$.data[3] = $1;
+	}
+	;
+
+paramConstScalarUse: REAL
+	{
+	   $$.count = 1;
+	   $$.data[0] = $1;
+	   $$.data[1] = $1;
+	   $$.data[2] = $1;
+	   $$.data[3] = $1;
+	}
+	| INTEGER
+	{
+	   $$.count = 1;
+	   $$.data[0] = (float) $1;
+	   $$.data[1] = (float) $1;
+	   $$.data[2] = (float) $1;
+	   $$.data[3] = (float) $1;
+	}
+	;
+
+paramConstVector: '{' signedFloatConstant '}'
+	{
+	   $$.count = 4;
+	   $$.data[0] = $2;
+	   $$.data[1] = 0.0f;
+	   $$.data[2] = 0.0f;
+	   $$.data[3] = 1.0f;
+	}
+	| '{' signedFloatConstant ',' signedFloatConstant '}'
+	{
+	   $$.count = 4;
+	   $$.data[0] = $2;
+	   $$.data[1] = $4;
+	   $$.data[2] = 0.0f;
+	   $$.data[3] = 1.0f;
+	}
+	| '{' signedFloatConstant ',' signedFloatConstant ','
+              signedFloatConstant '}'
+	{
+	   $$.count = 4;
+	   $$.data[0] = $2;
+	   $$.data[1] = $4;
+	   $$.data[2] = $6;
+	   $$.data[3] = 1.0f;
+	}
+	| '{' signedFloatConstant ',' signedFloatConstant ','
+              signedFloatConstant ',' signedFloatConstant '}'
+	{
+	   $$.count = 4;
+	   $$.data[0] = $2;
+	   $$.data[1] = $4;
+	   $$.data[2] = $6;
+	   $$.data[3] = $8;
+	}
+	;
+
+signedFloatConstant: optionalSign REAL
+	{
+	   $$ = ($1) ? -$2 : $2;
+	}
+	| optionalSign INTEGER
+	{
+	   $$ = (float)(($1) ? -$2 : $2);
+	}
+	;
+
+optionalSign: '+'        { $$ = FALSE; }
+	| '-'            { $$ = TRUE;  }
+	|                { $$ = FALSE; }
+	;
+
+TEMP_statement: optVarSize TEMP { $<integer>$ = $2; } varNameList
+	;
+
+optVarSize: string
+	{
+	   /* NV_fragment_program_option defines the size qualifiers in a
+	    * fairly broken way.  "SHORT" or "LONG" can optionally be used
+	    * before TEMP or OUTPUT.  However, neither is a reserved word!
+	    * This means that we have to parse it as an identifier, then check
+	    * to make sure it's one of the valid values.  *sigh*
+	    *
+	    * In addition, the grammar in the extension spec does *not* allow
+	    * the size specifier to be optional, but all known implementations
+	    * do.
+	    */
+	   if (!state->option.NV_fragment) {
+	      yyerror(& @1, state, "unexpected IDENTIFIER");
+	      YYERROR;
+	   }
+
+	   if (strcmp("SHORT", $1) == 0) {
+	   } else if (strcmp("LONG", $1) == 0) {
+	   } else {
+	      char *const err_str =
+		 make_error_string("invalid storage size specifier \"%s\"",
+				   $1);
+
+	      yyerror(& @1, state, (err_str != NULL)
+		      ? err_str : "invalid storage size specifier");
+
+	      if (err_str != NULL) {
+		 free(err_str);
+	      }
+
+	      YYERROR;
+	   }
+	}
+	|
+	{
+	}
+	;
+
+ADDRESS_statement: ADDRESS { $<integer>$ = $1; } varNameList
+	;
+
+varNameList: varNameList ',' IDENTIFIER
+	{
+	   if (!declare_variable(state, $3, $<integer>0, & @3)) {
+	      free($3);
+	      YYERROR;
+	   }
+	}
+	| IDENTIFIER
+	{
+	   if (!declare_variable(state, $1, $<integer>0, & @1)) {
+	      free($1);
+	      YYERROR;
+	   }
+	}
+	;
+
+OUTPUT_statement: optVarSize OUTPUT IDENTIFIER '=' resultBinding
+	{
+	   struct asm_symbol *const s =
+	      declare_variable(state, $3, at_output, & @3);
+
+	   if (s == NULL) {
+	      free($3);
+	      YYERROR;
+	   } else {
+	      s->output_binding = $5;
+	   }
+	}
+	;
+
+resultBinding: RESULT POSITION
+	{
+	   if (state->mode == ARB_vertex) {
+	      $$ = VERT_RESULT_HPOS;
+	   } else {
+	      yyerror(& @2, state, "invalid program result name");
+	      YYERROR;
+	   }
+	}
+	| RESULT FOGCOORD
+	{
+	   if (state->mode == ARB_vertex) {
+	      $$ = VERT_RESULT_FOGC;
+	   } else {
+	      yyerror(& @2, state, "invalid program result name");
+	      YYERROR;
+	   }
+	}
+	| RESULT resultColBinding
+	{
+	   $$ = $2;
+	}
+	| RESULT POINTSIZE
+	{
+	   if (state->mode == ARB_vertex) {
+	      $$ = VERT_RESULT_PSIZ;
+	   } else {
+	      yyerror(& @2, state, "invalid program result name");
+	      YYERROR;
+	   }
+	}
+	| RESULT TEXCOORD optTexCoordUnitNum
+	{
+	   if (state->mode == ARB_vertex) {
+	      $$ = VERT_RESULT_TEX0 + $3;
+	   } else {
+	      yyerror(& @2, state, "invalid program result name");
+	      YYERROR;
+	   }
+	}
+	| RESULT DEPTH
+	{
+	   if (state->mode == ARB_fragment) {
+	      $$ = FRAG_RESULT_DEPTH;
+	   } else {
+	      yyerror(& @2, state, "invalid program result name");
+	      YYERROR;
+	   }
+	}
+	;
+
+resultColBinding: COLOR optResultFaceType optResultColorType
+	{
+	   $$ = $2 + $3;
+	}
+	;
+
+optResultFaceType:
+	{
+	   $$ = (state->mode == ARB_vertex)
+	      ? VERT_RESULT_COL0
+	      : FRAG_RESULT_COLOR;
+	}
+	| FRONT
+	{
+	   if (state->mode == ARB_vertex) {
+	      $$ = VERT_RESULT_COL0;
+	   } else {
+	      yyerror(& @1, state, "invalid program result name");
+	      YYERROR;
+	   }
+	}
+	| BACK
+	{
+	   if (state->mode == ARB_vertex) {
+	      $$ = VERT_RESULT_BFC0;
+	   } else {
+	      yyerror(& @1, state, "invalid program result name");
+	      YYERROR;
+	   }
+	}
+	;
+
+optResultColorType:
+	{
+	   $$ = 0; 
+	}
+	| PRIMARY
+	{
+	   if (state->mode == ARB_vertex) {
+	      $$ = 0;
+	   } else {
+	      yyerror(& @1, state, "invalid program result name");
+	      YYERROR;
+	   }
+	}
+	| SECONDARY
+	{
+	   if (state->mode == ARB_vertex) {
+	      $$ = 1;
+	   } else {
+	      yyerror(& @1, state, "invalid program result name");
+	      YYERROR;
+	   }
+	}
+	;
+
+optFaceType:    { $$ = 0; }
+	| FRONT	{ $$ = 0; }
+	| BACK  { $$ = 1; }
+	;
+
+optColorType:       { $$ = 0; }
+	| PRIMARY   { $$ = 0; }
+	| SECONDARY { $$ = 1; }
+	;
+
+optTexCoordUnitNum:                { $$ = 0; }
+	| '[' texCoordUnitNum ']'  { $$ = $2; }
+	;
+
+optTexImageUnitNum:                { $$ = 0; }
+	| '[' texImageUnitNum ']'  { $$ = $2; }
+	;
+
+optLegacyTexUnitNum:               { $$ = 0; }
+	| '[' legacyTexUnitNum ']' { $$ = $2; }
+	;
+
+texCoordUnitNum: INTEGER
+	{
+	   if ((unsigned) $1 >= state->MaxTextureCoordUnits) {
+	      yyerror(& @1, state, "invalid texture coordinate unit selector");
+	      YYERROR;
+	   }
+
+	   $$ = $1;
+	}
+	;
+
+texImageUnitNum: INTEGER
+	{
+	   if ((unsigned) $1 >= state->MaxTextureImageUnits) {
+	      yyerror(& @1, state, "invalid texture image unit selector");
+	      YYERROR;
+	   }
+
+	   $$ = $1;
+	}
+	;
+
+legacyTexUnitNum: INTEGER
+	{
+	   if ((unsigned) $1 >= state->MaxTextureUnits) {
+	      yyerror(& @1, state, "invalid texture unit selector");
+	      YYERROR;
+	   }
+
+	   $$ = $1;
+	}
+	;
+
+ALIAS_statement: ALIAS IDENTIFIER '=' USED_IDENTIFIER
+	{
+	   struct asm_symbol *exist = (struct asm_symbol *)
+	      _mesa_symbol_table_find_symbol(state->st, 0, $2);
+	   struct asm_symbol *target = (struct asm_symbol *)
+	      _mesa_symbol_table_find_symbol(state->st, 0, $4);
+
+	   free($4);
+
+	   if (exist != NULL) {
+	      char m[1000];
+	      _mesa_snprintf(m, sizeof(m), "redeclared identifier: %s", $2);
+	      free($2);
+	      yyerror(& @2, state, m);
+	      YYERROR;
+	   } else if (target == NULL) {
+	      free($2);
+	      yyerror(& @4, state,
+		      "undefined variable binding in ALIAS statement");
+	      YYERROR;
+	   } else {
+	      _mesa_symbol_table_add_symbol(state->st, 0, $2, target);
+	   }
+	}
+	;
+
+string: IDENTIFIER
+	| USED_IDENTIFIER
+	;
+
+%%
+
+void
+asm_instruction_set_operands(struct asm_instruction *inst,
+			     const struct prog_dst_register *dst,
+			     const struct asm_src_register *src0,
+			     const struct asm_src_register *src1,
+			     const struct asm_src_register *src2)
+{
+   /* In the core ARB extensions only the KIL instruction doesn't have a
+    * destination register.
+    */
+   if (dst == NULL) {
+      init_dst_reg(& inst->Base.DstReg);
+   } else {
+      inst->Base.DstReg = *dst;
+   }
+
+   /* The only instruction that doesn't have any source registers is the
+    * condition-code based KIL instruction added by NV_fragment_program_option.
+    */
+   if (src0 != NULL) {
+      inst->Base.SrcReg[0] = src0->Base;
+      inst->SrcReg[0] = *src0;
+   } else {
+      init_src_reg(& inst->SrcReg[0]);
+   }
+
+   if (src1 != NULL) {
+      inst->Base.SrcReg[1] = src1->Base;
+      inst->SrcReg[1] = *src1;
+   } else {
+      init_src_reg(& inst->SrcReg[1]);
+   }
+
+   if (src2 != NULL) {
+      inst->Base.SrcReg[2] = src2->Base;
+      inst->SrcReg[2] = *src2;
+   } else {
+      init_src_reg(& inst->SrcReg[2]);
+   }
+}
+
+
+struct asm_instruction *
+asm_instruction_ctor(gl_inst_opcode op,
+		     const struct prog_dst_register *dst,
+		     const struct asm_src_register *src0,
+		     const struct asm_src_register *src1,
+		     const struct asm_src_register *src2)
+{
+   struct asm_instruction *inst = CALLOC_STRUCT(asm_instruction);
+
+   if (inst) {
+      _mesa_init_instructions(& inst->Base, 1);
+      inst->Base.Opcode = op;
+
+      asm_instruction_set_operands(inst, dst, src0, src1, src2);
+   }
+
+   return inst;
+}
+
+
+struct asm_instruction *
+asm_instruction_copy_ctor(const struct prog_instruction *base,
+			  const struct prog_dst_register *dst,
+			  const struct asm_src_register *src0,
+			  const struct asm_src_register *src1,
+			  const struct asm_src_register *src2)
+{
+   struct asm_instruction *inst = CALLOC_STRUCT(asm_instruction);
+
+   if (inst) {
+      _mesa_init_instructions(& inst->Base, 1);
+      inst->Base.Opcode = base->Opcode;
+      inst->Base.CondUpdate = base->CondUpdate;
+      inst->Base.CondDst = base->CondDst;
+      inst->Base.SaturateMode = base->SaturateMode;
+      inst->Base.Precision = base->Precision;
+
+      asm_instruction_set_operands(inst, dst, src0, src1, src2);
+   }
+
+   return inst;
+}
+
+
+void
+init_dst_reg(struct prog_dst_register *r)
+{
+   memset(r, 0, sizeof(*r));
+   r->File = PROGRAM_UNDEFINED;
+   r->WriteMask = WRITEMASK_XYZW;
+   r->CondMask = COND_TR;
+   r->CondSwizzle = SWIZZLE_NOOP;
+}
+
+
+/** Like init_dst_reg() but set the File and Index fields. */
+void
+set_dst_reg(struct prog_dst_register *r, gl_register_file file, GLint index)
+{
+   const GLint maxIndex = 1 << INST_INDEX_BITS;
+   const GLint minIndex = 0;
+   ASSERT(index >= minIndex);
+   (void) minIndex;
+   ASSERT(index <= maxIndex);
+   (void) maxIndex;
+   ASSERT(file == PROGRAM_TEMPORARY ||
+	  file == PROGRAM_ADDRESS ||
+	  file == PROGRAM_OUTPUT);
+   memset(r, 0, sizeof(*r));
+   r->File = file;
+   r->Index = index;
+   r->WriteMask = WRITEMASK_XYZW;
+   r->CondMask = COND_TR;
+   r->CondSwizzle = SWIZZLE_NOOP;
+}
+
+
+void
+init_src_reg(struct asm_src_register *r)
+{
+   memset(r, 0, sizeof(*r));
+   r->Base.File = PROGRAM_UNDEFINED;
+   r->Base.Swizzle = SWIZZLE_NOOP;
+   r->Symbol = NULL;
+}
+
+
+/** Like init_src_reg() but set the File and Index fields.
+ * \return GL_TRUE if a valid src register, GL_FALSE otherwise
+ */
+void
+set_src_reg(struct asm_src_register *r, gl_register_file file, GLint index)
+{
+   set_src_reg_swz(r, file, index, SWIZZLE_XYZW);
+}
+
+
+void
+set_src_reg_swz(struct asm_src_register *r, gl_register_file file, GLint index,
+                GLuint swizzle)
+{
+   const GLint maxIndex = (1 << INST_INDEX_BITS) - 1;
+   const GLint minIndex = -(1 << INST_INDEX_BITS);
+   ASSERT(file < PROGRAM_FILE_MAX);
+   ASSERT(index >= minIndex);
+   (void) minIndex;
+   ASSERT(index <= maxIndex);
+   (void) maxIndex;
+   memset(r, 0, sizeof(*r));
+   r->Base.File = file;
+   r->Base.Index = index;
+   r->Base.Swizzle = swizzle;
+   r->Symbol = NULL;
+}
+
+
+/**
+ * Validate the set of inputs used by a program
+ *
+ * Validates that legal sets of inputs are used by the program.  In this case
+ * "used" included both reading the input or binding the input to a name using
+ * the \c ATTRIB command.
+ *
+ * \return
+ * \c TRUE if the combination of inputs used is valid, \c FALSE otherwise.
+ */
+int
+validate_inputs(struct YYLTYPE *locp, struct asm_parser_state *state)
+{
+   const int inputs = state->prog->InputsRead | state->InputsBound;
+
+   if (((inputs & 0x0ffff) & (inputs >> 16)) != 0) {
+      yyerror(locp, state, "illegal use of generic attribute and name attribute");
+      return 0;
+   }
+
+   return 1;
+}
+
+
+struct asm_symbol *
+declare_variable(struct asm_parser_state *state, char *name, enum asm_type t,
+		 struct YYLTYPE *locp)
+{
+   struct asm_symbol *s = NULL;
+   struct asm_symbol *exist = (struct asm_symbol *)
+      _mesa_symbol_table_find_symbol(state->st, 0, name);
+
+
+   if (exist != NULL) {
+      yyerror(locp, state, "redeclared identifier");
+   } else {
+      s = calloc(1, sizeof(struct asm_symbol));
+      s->name = name;
+      s->type = t;
+
+      switch (t) {
+      case at_temp:
+	 if (state->prog->NumTemporaries >= state->limits->MaxTemps) {
+	    yyerror(locp, state, "too many temporaries declared");
+	    free(s);
+	    return NULL;
+	 }
+
+	 s->temp_binding = state->prog->NumTemporaries;
+	 state->prog->NumTemporaries++;
+	 break;
+
+      case at_address:
+	 if (state->prog->NumAddressRegs >= state->limits->MaxAddressRegs) {
+	    yyerror(locp, state, "too many address registers declared");
+	    free(s);
+	    return NULL;
+	 }
+
+	 /* FINISHME: Add support for multiple address registers.
+	  */
+	 state->prog->NumAddressRegs++;
+	 break;
+
+      default:
+	 break;
+      }
+
+      _mesa_symbol_table_add_symbol(state->st, 0, s->name, s);
+      s->next = state->sym;
+      state->sym = s;
+   }
+
+   return s;
+}
+
+
+int add_state_reference(struct gl_program_parameter_list *param_list,
+			const gl_state_index tokens[STATE_LENGTH])
+{
+   const GLuint size = 4; /* XXX fix */
+   char *name;
+   GLint index;
+
+   name = _mesa_program_state_string(tokens);
+   index = _mesa_add_parameter(param_list, PROGRAM_STATE_VAR, name,
+                               size, GL_NONE, NULL, tokens, 0x0);
+   param_list->StateFlags |= _mesa_program_state_flags(tokens);
+
+   /* free name string here since we duplicated it in add_parameter() */
+   free(name);
+
+   return index;
+}
+
+
+int
+initialize_symbol_from_state(struct gl_program *prog,
+			     struct asm_symbol *param_var, 
+			     const gl_state_index tokens[STATE_LENGTH])
+{
+   int idx = -1;
+   gl_state_index state_tokens[STATE_LENGTH];
+
+
+   memcpy(state_tokens, tokens, sizeof(state_tokens));
+
+   param_var->type = at_param;
+   param_var->param_binding_type = PROGRAM_STATE_VAR;
+
+   /* If we are adding a STATE_MATRIX that has multiple rows, we need to
+    * unroll it and call add_state_reference() for each row
+    */
+   if ((state_tokens[0] == STATE_MODELVIEW_MATRIX ||
+	state_tokens[0] == STATE_PROJECTION_MATRIX ||
+	state_tokens[0] == STATE_MVP_MATRIX ||
+	state_tokens[0] == STATE_TEXTURE_MATRIX ||
+	state_tokens[0] == STATE_PROGRAM_MATRIX)
+       && (state_tokens[2] != state_tokens[3])) {
+      int row;
+      const int first_row = state_tokens[2];
+      const int last_row = state_tokens[3];
+
+      for (row = first_row; row <= last_row; row++) {
+	 state_tokens[2] = state_tokens[3] = row;
+
+	 idx = add_state_reference(prog->Parameters, state_tokens);
+	 if (param_var->param_binding_begin == ~0U) {
+	    param_var->param_binding_begin = idx;
+            param_var->param_binding_swizzle = SWIZZLE_XYZW;
+         }
+
+	 param_var->param_binding_length++;
+      }
+   }
+   else {
+      idx = add_state_reference(prog->Parameters, state_tokens);
+      if (param_var->param_binding_begin == ~0U) {
+	 param_var->param_binding_begin = idx;
+         param_var->param_binding_swizzle = SWIZZLE_XYZW;
+      }
+      param_var->param_binding_length++;
+   }
+
+   return idx;
+}
+
+
+int
+initialize_symbol_from_param(struct gl_program *prog,
+			     struct asm_symbol *param_var, 
+			     const gl_state_index tokens[STATE_LENGTH])
+{
+   int idx = -1;
+   gl_state_index state_tokens[STATE_LENGTH];
+
+
+   memcpy(state_tokens, tokens, sizeof(state_tokens));
+
+   assert((state_tokens[0] == STATE_VERTEX_PROGRAM)
+	  || (state_tokens[0] == STATE_FRAGMENT_PROGRAM));
+   assert((state_tokens[1] == STATE_ENV)
+	  || (state_tokens[1] == STATE_LOCAL));
+
+   /*
+    * The param type is STATE_VAR.  The program parameter entry will
+    * effectively be a pointer into the LOCAL or ENV parameter array.
+    */
+   param_var->type = at_param;
+   param_var->param_binding_type = PROGRAM_STATE_VAR;
+
+   /* If we are adding a STATE_ENV or STATE_LOCAL that has multiple elements,
+    * we need to unroll it and call add_state_reference() for each row
+    */
+   if (state_tokens[2] != state_tokens[3]) {
+      int row;
+      const int first_row = state_tokens[2];
+      const int last_row = state_tokens[3];
+
+      for (row = first_row; row <= last_row; row++) {
+	 state_tokens[2] = state_tokens[3] = row;
+
+	 idx = add_state_reference(prog->Parameters, state_tokens);
+	 if (param_var->param_binding_begin == ~0U) {
+	    param_var->param_binding_begin = idx;
+            param_var->param_binding_swizzle = SWIZZLE_XYZW;
+         }
+	 param_var->param_binding_length++;
+      }
+   }
+   else {
+      idx = add_state_reference(prog->Parameters, state_tokens);
+      if (param_var->param_binding_begin == ~0U) {
+	 param_var->param_binding_begin = idx;
+         param_var->param_binding_swizzle = SWIZZLE_XYZW;
+      }
+      param_var->param_binding_length++;
+   }
+
+   return idx;
+}
+
+
+/**
+ * Put a float/vector constant/literal into the parameter list.
+ * \param param_var  returns info about the parameter/constant's location,
+ *                   binding, type, etc.
+ * \param vec  the vector/constant to add
+ * \param allowSwizzle  if true, try to consolidate constants which only differ
+ *                      by a swizzle.  We don't want to do this when building
+ *                      arrays of constants that may be indexed indirectly.
+ * \return index of the constant in the parameter list.
+ */
+int
+initialize_symbol_from_const(struct gl_program *prog,
+			     struct asm_symbol *param_var, 
+			     const struct asm_vector *vec,
+                             GLboolean allowSwizzle)
+{
+   unsigned swizzle;
+   const int idx = _mesa_add_unnamed_constant(prog->Parameters,
+                                              vec->data, vec->count,
+                                              allowSwizzle ? &swizzle : NULL);
+
+   param_var->type = at_param;
+   param_var->param_binding_type = PROGRAM_CONSTANT;
+
+   if (param_var->param_binding_begin == ~0U) {
+      param_var->param_binding_begin = idx;
+      param_var->param_binding_swizzle = allowSwizzle ? swizzle : SWIZZLE_XYZW;
+   }
+   param_var->param_binding_length++;
+
+   return idx;
+}
+
+
+char *
+make_error_string(const char *fmt, ...)
+{
+   int length;
+   char *str;
+   va_list args;
+
+
+   /* Call vsnprintf once to determine how large the final string is.  Call it
+    * again to do the actual formatting.  from the vsnprintf manual page:
+    *
+    *    Upon successful return, these functions return the number of
+    *    characters printed  (not including the trailing '\0' used to end
+    *    output to strings).
+    */
+   va_start(args, fmt);
+   length = 1 + vsnprintf(NULL, 0, fmt, args);
+   va_end(args);
+
+   str = malloc(length);
+   if (str) {
+      va_start(args, fmt);
+      vsnprintf(str, length, fmt, args);
+      va_end(args);
+   }
+
+   return str;
+}
+
+
+void
+yyerror(YYLTYPE *locp, struct asm_parser_state *state, const char *s)
+{
+   char *err_str;
+
+
+   err_str = make_error_string("glProgramStringARB(%s)\n", s);
+   if (err_str) {
+      _mesa_error(state->ctx, GL_INVALID_OPERATION, "%s", err_str);
+      free(err_str);
+   }
+
+   err_str = make_error_string("line %u, char %u: error: %s\n",
+			       locp->first_line, locp->first_column, s);
+   _mesa_set_program_error(state->ctx, locp->position, err_str);
+
+   if (err_str) {
+      free(err_str);
+   }
+}
+
+
+GLboolean
+_mesa_parse_arb_program(GLcontext *ctx, GLenum target, const GLubyte *str,
+			GLsizei len, struct asm_parser_state *state)
+{
+   struct asm_instruction *inst;
+   unsigned i;
+   GLubyte *strz;
+   GLboolean result = GL_FALSE;
+   void *temp;
+   struct asm_symbol *sym;
+
+   state->ctx = ctx;
+   state->prog->Target = target;
+   state->prog->Parameters = _mesa_new_parameter_list();
+
+   /* Make a copy of the program string and force it to be NUL-terminated.
+    */
+   strz = (GLubyte *) malloc(len + 1);
+   if (strz == NULL) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY, "glProgramStringARB");
+      return GL_FALSE;
+   }
+   memcpy (strz, str, len);
+   strz[len] = '\0';
+
+   state->prog->String = strz;
+
+   state->st = _mesa_symbol_table_ctor();
+
+   state->limits = (target == GL_VERTEX_PROGRAM_ARB)
+      ? & ctx->Const.VertexProgram
+      : & ctx->Const.FragmentProgram;
+
+   state->MaxTextureImageUnits = ctx->Const.MaxTextureImageUnits;
+   state->MaxTextureCoordUnits = ctx->Const.MaxTextureCoordUnits;
+   state->MaxTextureUnits = ctx->Const.MaxTextureUnits;
+   state->MaxClipPlanes = ctx->Const.MaxClipPlanes;
+   state->MaxLights = ctx->Const.MaxLights;
+   state->MaxProgramMatrices = ctx->Const.MaxProgramMatrices;
+
+   state->state_param_enum = (target == GL_VERTEX_PROGRAM_ARB)
+      ? STATE_VERTEX_PROGRAM : STATE_FRAGMENT_PROGRAM;
+
+   _mesa_set_program_error(ctx, -1, NULL);
+
+   _mesa_program_lexer_ctor(& state->scanner, state, (const char *) str, len);
+   yyparse(state);
+   _mesa_program_lexer_dtor(state->scanner);
+
+
+   if (ctx->Program.ErrorPos != -1) {
+      goto error;
+   }
+
+   if (! _mesa_layout_parameters(state)) {
+      struct YYLTYPE loc;
+
+      loc.first_line = 0;
+      loc.first_column = 0;
+      loc.position = len;
+
+      yyerror(& loc, state, "invalid PARAM usage");
+      goto error;
+   }
+
+
+   
+   /* Add one instruction to store the "END" instruction.
+    */
+   state->prog->Instructions =
+      _mesa_alloc_instructions(state->prog->NumInstructions + 1);
+   inst = state->inst_head;
+   for (i = 0; i < state->prog->NumInstructions; i++) {
+      struct asm_instruction *const temp = inst->next;
+
+      state->prog->Instructions[i] = inst->Base;
+      inst = temp;
+   }
+
+   /* Finally, tag on an OPCODE_END instruction */
+   {
+      const GLuint numInst = state->prog->NumInstructions;
+      _mesa_init_instructions(state->prog->Instructions + numInst, 1);
+      state->prog->Instructions[numInst].Opcode = OPCODE_END;
+   }
+   state->prog->NumInstructions++;
+
+   state->prog->NumParameters = state->prog->Parameters->NumParameters;
+   state->prog->NumAttributes = _mesa_bitcount(state->prog->InputsRead);
+
+   /*
+    * Initialize native counts to logical counts.  The device driver may
+    * change them if program is translated into a hardware program.
+    */
+   state->prog->NumNativeInstructions = state->prog->NumInstructions;
+   state->prog->NumNativeTemporaries = state->prog->NumTemporaries;
+   state->prog->NumNativeParameters = state->prog->NumParameters;
+   state->prog->NumNativeAttributes = state->prog->NumAttributes;
+   state->prog->NumNativeAddressRegs = state->prog->NumAddressRegs;
+
+   result = GL_TRUE;
+
+error:
+   for (inst = state->inst_head; inst != NULL; inst = temp) {
+      temp = inst->next;
+      free(inst);
+   }
+
+   state->inst_head = NULL;
+   state->inst_tail = NULL;
+
+   for (sym = state->sym; sym != NULL; sym = temp) {
+      temp = sym->next;
+
+      free((void *) sym->name);
+      free(sym);
+   }
+   state->sym = NULL;
+
+   _mesa_symbol_table_dtor(state->st);
+   state->st = NULL;
+
+   return result;
+}