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Diffstat (limited to 'mesalib/src/mesa/shader/slang/slang_ir.h')
| -rw-r--r-- | mesalib/src/mesa/shader/slang/slang_ir.h | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/mesalib/src/mesa/shader/slang/slang_ir.h b/mesalib/src/mesa/shader/slang/slang_ir.h deleted file mode 100644 index 166b4e804..000000000 --- a/mesalib/src/mesa/shader/slang/slang_ir.h +++ /dev/null @@ -1,280 +0,0 @@ -/* - * Mesa 3-D graphics library - * - * Copyright (C) 2005-2008 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 slang_ir.h - * Mesa GLSL Intermediate Representation tree types and constants. - * \author Brian Paul - */ - - -#ifndef SLANG_IR_H -#define SLANG_IR_H - - -#include "main/imports.h" -#include "slang_compile.h" -#include "slang_label.h" -#include "main/mtypes.h" - - -/** - * Intermediate Representation opcodes - */ -typedef enum -{ - IR_NOP = 0, - IR_SEQ, /* sequence (eval left, then right) */ - IR_SCOPE, /* new variable scope (one child) */ - - IR_LABEL, /* target of a jump or cjump */ - - IR_COND, /* conditional expression/predicate */ - - IR_IF, /* high-level IF/then/else */ - /* Children[0] = conditional expression */ - /* Children[1] = if-true part */ - /* Children[2] = if-else part, or NULL */ - - IR_BEGIN_SUB, /* begin subroutine */ - IR_END_SUB, /* end subroutine */ - IR_RETURN, /* return from subroutine */ - IR_CALL, /* call subroutine */ - - IR_LOOP, /* high-level loop-begin / loop-end */ - /* Children[0] = loop body */ - /* Children[1] = loop tail code, or NULL */ - - IR_CONT, /* continue loop */ - /* n->Parent = ptr to parent IR_LOOP Node */ - IR_BREAK, /* break loop */ - - IR_BREAK_IF_TRUE, /**< Children[0] = the condition expression */ - IR_CONT_IF_TRUE, - - IR_COPY, /**< assignment/copy */ - IR_MOVE, /**< assembly MOV instruction */ - - /* vector ops: */ - IR_ADD, /**< assembly ADD instruction */ - IR_SUB, - IR_MUL, - IR_DIV, - IR_DOT4, - IR_DOT3, - IR_DOT2, - IR_NRM4, - IR_NRM3, - IR_CROSS, /* vec3 cross product */ - IR_LRP, - IR_CLAMP, - IR_MIN, - IR_MAX, - IR_CMP, /* = (op0 < 0) ? op1 : op2 */ - IR_SEQUAL, /* Set if args are equal (vector) */ - IR_SNEQUAL, /* Set if args are not equal (vector) */ - IR_SGE, /* Set if greater or equal (vector) */ - IR_SGT, /* Set if greater than (vector) */ - IR_SLE, /* Set if less or equal (vector) */ - IR_SLT, /* Set if less than (vector) */ - IR_POW, /* x^y */ - IR_EXP, /* e^x */ - IR_EXP2, /* 2^x */ - IR_LOG2, /* log base 2 */ - IR_RSQ, /* 1/sqrt() */ - IR_RCP, /* reciprocol */ - IR_FLOOR, - IR_FRAC, - IR_ABS, /* absolute value */ - IR_NEG, /* negate */ - IR_DDX, /* derivative w.r.t. X */ - IR_DDY, /* derivative w.r.t. Y */ - IR_SIN, /* sine */ - IR_COS, /* cosine */ - IR_NOISE1, /* noise(x) */ - IR_NOISE2, /* noise(x, y) */ - IR_NOISE3, /* noise(x, y, z) */ - IR_NOISE4, /* noise(x, y, z, w) */ - - IR_EQUAL, /* boolean equality */ - IR_NOTEQUAL,/* boolean inequality */ - IR_NOT, /* boolean not */ - - IR_VAR, /* variable reference */ - IR_VAR_DECL,/* var declaration */ - - IR_ELEMENT, /* array element */ - IR_FIELD, /* struct field */ - IR_SWIZZLE, /* swizzled storage access */ - - IR_TEX, /* texture lookup */ - IR_TEXB, /* texture lookup with LOD bias */ - IR_TEXP, /* texture lookup with projection */ - - IR_TEX_SH, /* texture lookup, shadow compare */ - IR_TEXB_SH, /* texture lookup with LOD bias, shadow compare */ - IR_TEXP_SH, /* texture lookup with projection, shadow compare */ - - IR_FLOAT, - IR_I_TO_F, /* int[4] to float[4] conversion */ - IR_F_TO_I, /* float[4] to int[4] conversion */ - - IR_KILL /* fragment kill/discard */ -} slang_ir_opcode; - - -/** - * Describes where data/variables are stored in the various register files. - * - * In the simple case, the File, Index and Size fields indicate where - * a variable is stored. For example, a vec3 variable may be stored - * as (File=PROGRAM_TEMPORARY, Index=6, Size=3). Or, File[Index]. - * Or, a program input like color may be stored as - * (File=PROGRAM_INPUT,Index=3,Size=4); - * - * For single-float values, the Swizzle field indicates which component - * of the vector contains the float. - * - * If IsIndirect is set, the storage is accessed through an indirect - * register lookup. The value in question will be located at: - * File[Index + IndirectFile[IndirectIndex]] - * - * This is primary used for indexing arrays. For example, consider this - * GLSL code: - * uniform int i; - * float a[10]; - * float x = a[i]; - * - * here, storage for a[i] would be described by (File=PROGRAM_TEMPORAY, - * Index=aPos, IndirectFile=PROGRAM_UNIFORM, IndirectIndex=iPos), which - * would mean TEMP[aPos + UNIFORM[iPos]] - */ -struct slang_ir_storage_ -{ - gl_register_file File; /**< PROGRAM_TEMPORARY, PROGRAM_INPUT, etc */ - GLint Index; /**< -1 means unallocated */ - GLint Size; /**< number of floats or ints */ - GLuint Swizzle; /**< Swizzle AND writemask info */ - GLint RefCount; /**< Used during IR tree delete */ - - GLboolean RelAddr; /* we'll remove this eventually */ - - GLboolean IsIndirect; - gl_register_file IndirectFile; - GLint IndirectIndex; - GLuint IndirectSwizzle; - GLuint TexTarget; /**< If File==PROGRAM_SAMPLER, one of TEXTURE_x_INDEX */ - - /** If Parent is non-null, Index is relative to parent. - * The other fields are ignored. - */ - struct slang_ir_storage_ *Parent; -}; - -typedef struct slang_ir_storage_ slang_ir_storage; - - -/** - * Intermediate Representation (IR) tree node - * Basically a binary tree, but IR_LRP and IR_CLAMP have three children. - */ -typedef struct slang_ir_node_ -{ - slang_ir_opcode Opcode; - struct slang_ir_node_ *Children[3]; - slang_ir_storage *Store; /**< location of result of this operation */ - GLint InstLocation; /**< Location of instruction emitted for this node */ - - /** special fields depending on Opcode: */ - const char *Field; /**< If Opcode == IR_FIELD */ - GLfloat Value[4]; /**< If Opcode == IR_FLOAT */ - slang_variable *Var; /**< If Opcode == IR_VAR or IR_VAR_DECL */ - struct slang_ir_node_ *List; /**< For various linked lists */ - struct slang_ir_node_ *Parent; /**< Pointer to logical parent (ie. loop) */ - slang_label *Label; /**< Used for branches */ - const char *Comment; /**< If Opcode == IR_COMMENT */ -} slang_ir_node; - - - -/** - * Assembly and IR info - */ -typedef struct -{ - slang_ir_opcode IrOpcode; - const char *IrName; - gl_inst_opcode InstOpcode; - GLuint ResultSize, NumParams; -} slang_ir_info; - - - -extern const slang_ir_info * -_slang_ir_info(slang_ir_opcode opcode); - - -extern void -_slang_init_ir_storage(slang_ir_storage *st, - gl_register_file file, GLint index, GLint size, - GLuint swizzle); - -extern slang_ir_storage * -_slang_new_ir_storage(gl_register_file file, GLint index, GLint size); - - -extern slang_ir_storage * -_slang_new_ir_storage_swz(gl_register_file file, GLint index, GLint size, - GLuint swizzle); - -extern slang_ir_storage * -_slang_new_ir_storage_relative(GLint index, GLint size, - slang_ir_storage *parent); - - -extern slang_ir_storage * -_slang_new_ir_storage_indirect(gl_register_file file, - GLint index, - GLint size, - gl_register_file indirectFile, - GLint indirectIndex, - GLuint indirectSwizzle); - -extern slang_ir_storage * -_slang_new_ir_storage_sampler(GLint sampNum, GLuint texTarget, GLint size); - - -extern void -_slang_copy_ir_storage(slang_ir_storage *dst, const slang_ir_storage *src); - - -extern void -_slang_free_ir_tree(slang_ir_node *n); - - -extern void -_slang_print_ir_tree(const slang_ir_node *n, int indent); - - -#endif /* SLANG_IR_H */ |