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authormarha <marha@users.sourceforge.net>2010-11-22 19:42:40 +0000
committermarha <marha@users.sourceforge.net>2010-11-22 19:42:40 +0000
commit85ef9930f56bf15181f9a0b238f03d55303cf411 (patch)
tree63b43286956ebd1c35c96e9b3d5305aabdf71a0f /mesalib/src/mesa/shader/prog_instruction.h
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Updated to mesalib 7.9
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-rw-r--r--mesalib/src/mesa/shader/prog_instruction.h437
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diff --git a/mesalib/src/mesa/shader/prog_instruction.h b/mesalib/src/mesa/shader/prog_instruction.h
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-/*
- * Mesa 3-D graphics library
- * Version: 7.3
- *
- * Copyright (C) 1999-2008 Brian Paul 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 prog_instruction.h
- *
- * Vertex/fragment program instruction datatypes and constants.
- *
- * \author Brian Paul
- * \author Keith Whitwell
- * \author Ian Romanick <idr@us.ibm.com>
- */
-
-
-#ifndef PROG_INSTRUCTION_H
-#define PROG_INSTRUCTION_H
-
-
-#include "main/mfeatures.h"
-
-
-/**
- * Swizzle indexes.
- * Do not change!
- */
-/*@{*/
-#define SWIZZLE_X 0
-#define SWIZZLE_Y 1
-#define SWIZZLE_Z 2
-#define SWIZZLE_W 3
-#define SWIZZLE_ZERO 4 /**< For SWZ instruction only */
-#define SWIZZLE_ONE 5 /**< For SWZ instruction only */
-#define SWIZZLE_NIL 7 /**< used during shader code gen (undefined value) */
-/*@}*/
-
-#define MAKE_SWIZZLE4(a,b,c,d) (((a)<<0) | ((b)<<3) | ((c)<<6) | ((d)<<9))
-#define SWIZZLE_NOOP MAKE_SWIZZLE4(0,1,2,3)
-#define GET_SWZ(swz, idx) (((swz) >> ((idx)*3)) & 0x7)
-#define GET_BIT(msk, idx) (((msk) >> (idx)) & 0x1)
-
-#define SWIZZLE_XYZW MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W)
-#define SWIZZLE_XXXX MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X)
-#define SWIZZLE_YYYY MAKE_SWIZZLE4(SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y)
-#define SWIZZLE_ZZZZ MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z)
-#define SWIZZLE_WWWW MAKE_SWIZZLE4(SWIZZLE_W, SWIZZLE_W, SWIZZLE_W, SWIZZLE_W)
-
-
-/**
- * Writemask values, 1 bit per component.
- */
-/*@{*/
-#define WRITEMASK_X 0x1
-#define WRITEMASK_Y 0x2
-#define WRITEMASK_XY 0x3
-#define WRITEMASK_Z 0x4
-#define WRITEMASK_XZ 0x5
-#define WRITEMASK_YZ 0x6
-#define WRITEMASK_XYZ 0x7
-#define WRITEMASK_W 0x8
-#define WRITEMASK_XW 0x9
-#define WRITEMASK_YW 0xa
-#define WRITEMASK_XYW 0xb
-#define WRITEMASK_ZW 0xc
-#define WRITEMASK_XZW 0xd
-#define WRITEMASK_YZW 0xe
-#define WRITEMASK_XYZW 0xf
-/*@}*/
-
-
-/**
- * Condition codes
- */
-/*@{*/
-#define COND_GT 1 /**< greater than zero */
-#define COND_EQ 2 /**< equal to zero */
-#define COND_LT 3 /**< less than zero */
-#define COND_UN 4 /**< unordered (NaN) */
-#define COND_GE 5 /**< greater than or equal to zero */
-#define COND_LE 6 /**< less than or equal to zero */
-#define COND_NE 7 /**< not equal to zero */
-#define COND_TR 8 /**< always true */
-#define COND_FL 9 /**< always false */
-/*@}*/
-
-
-/**
- * Instruction precision for GL_NV_fragment_program
- */
-/*@{*/
-#define FLOAT32 0x1
-#define FLOAT16 0x2
-#define FIXED12 0x4
-/*@}*/
-
-
-/**
- * Saturation modes when storing values.
- */
-/*@{*/
-#define SATURATE_OFF 0
-#define SATURATE_ZERO_ONE 1
-/*@}*/
-
-
-/**
- * Per-component negation masks
- */
-/*@{*/
-#define NEGATE_X 0x1
-#define NEGATE_Y 0x2
-#define NEGATE_Z 0x4
-#define NEGATE_W 0x8
-#define NEGATE_XYZ 0x7
-#define NEGATE_XYZW 0xf
-#define NEGATE_NONE 0x0
-/*@}*/
-
-
-/**
- * Program instruction opcodes, for both vertex and fragment programs.
- * \note changes to this opcode list must be reflected in t_vb_arbprogram.c
- */
-typedef enum prog_opcode {
- /* ARB_vp ARB_fp NV_vp NV_fp GLSL */
- /*------------------------------------------*/
- OPCODE_NOP = 0, /* X */
- OPCODE_ABS, /* X X 1.1 X */
- OPCODE_ADD, /* X X X X X */
- OPCODE_AND, /* */
- OPCODE_ARA, /* 2 */
- OPCODE_ARL, /* X X */
- OPCODE_ARL_NV, /* 2 */
- OPCODE_ARR, /* 2 */
- OPCODE_BGNLOOP, /* opt */
- OPCODE_BGNSUB, /* opt */
- OPCODE_BRA, /* 2 X */
- OPCODE_BRK, /* 2 opt */
- OPCODE_CAL, /* 2 2 */
- OPCODE_CMP, /* X */
- OPCODE_CONT, /* opt */
- OPCODE_COS, /* X 2 X X */
- OPCODE_DDX, /* X X */
- OPCODE_DDY, /* X X */
- OPCODE_DP2, /* 2 */
- OPCODE_DP2A, /* 2 */
- OPCODE_DP3, /* X X X X X */
- OPCODE_DP4, /* X X X X X */
- OPCODE_DPH, /* X X 1.1 */
- OPCODE_DST, /* X X X X */
- OPCODE_ELSE, /* X */
- OPCODE_END, /* X X X X opt */
- OPCODE_ENDIF, /* opt */
- OPCODE_ENDLOOP, /* opt */
- OPCODE_ENDSUB, /* opt */
- OPCODE_EX2, /* X X 2 X X */
- OPCODE_EXP, /* X X X */
- OPCODE_FLR, /* X X 2 X X */
- OPCODE_FRC, /* X X 2 X X */
- OPCODE_IF, /* opt */
- OPCODE_KIL, /* X */
- OPCODE_KIL_NV, /* X X */
- OPCODE_LG2, /* X X 2 X X */
- OPCODE_LIT, /* X X X X */
- OPCODE_LOG, /* X X X */
- OPCODE_LRP, /* X X */
- OPCODE_MAD, /* X X X X X */
- OPCODE_MAX, /* X X X X X */
- OPCODE_MIN, /* X X X X X */
- OPCODE_MOV, /* X X X X X */
- OPCODE_MUL, /* X X X X X */
- OPCODE_NOISE1, /* X */
- OPCODE_NOISE2, /* X */
- OPCODE_NOISE3, /* X */
- OPCODE_NOISE4, /* X */
- OPCODE_NOT, /* */
- OPCODE_NRM3, /* */
- OPCODE_NRM4, /* */
- OPCODE_OR, /* */
- OPCODE_PK2H, /* X */
- OPCODE_PK2US, /* X */
- OPCODE_PK4B, /* X */
- OPCODE_PK4UB, /* X */
- OPCODE_POW, /* X X X X */
- OPCODE_POPA, /* 3 */
- OPCODE_PRINT, /* X X */
- OPCODE_PUSHA, /* 3 */
- OPCODE_RCC, /* 1.1 */
- OPCODE_RCP, /* X X X X X */
- OPCODE_RET, /* 2 2 */
- OPCODE_RFL, /* X X */
- OPCODE_RSQ, /* X X X X X */
- OPCODE_SCS, /* X */
- OPCODE_SEQ, /* 2 X X */
- OPCODE_SFL, /* 2 X */
- OPCODE_SGE, /* X X X X X */
- OPCODE_SGT, /* 2 X X */
- OPCODE_SIN, /* X 2 X X */
- OPCODE_SLE, /* 2 X X */
- OPCODE_SLT, /* X X X X X */
- OPCODE_SNE, /* 2 X X */
- OPCODE_SSG, /* 2 */
- OPCODE_STR, /* 2 X */
- OPCODE_SUB, /* X X 1.1 X X */
- OPCODE_SWZ, /* X X */
- OPCODE_TEX, /* X 3 X X */
- OPCODE_TXB, /* X 3 X */
- OPCODE_TXD, /* X X */
- OPCODE_TXL, /* 3 2 X */
- OPCODE_TXP, /* X X */
- OPCODE_TXP_NV, /* 3 X */
- OPCODE_TRUNC, /* X */
- OPCODE_UP2H, /* X */
- OPCODE_UP2US, /* X */
- OPCODE_UP4B, /* X */
- OPCODE_UP4UB, /* X */
- OPCODE_X2D, /* X */
- OPCODE_XOR, /* */
- OPCODE_XPD, /* X X X */
- MAX_OPCODE
-} gl_inst_opcode;
-
-
-/**
- * Number of bits for the src/dst register Index field.
- * This limits the size of temp/uniform register files.
- */
-#define INST_INDEX_BITS 10
-
-
-/**
- * Instruction source register.
- */
-struct prog_src_register
-{
- GLuint File:4; /**< One of the PROGRAM_* register file values. */
- GLint Index:(INST_INDEX_BITS+1); /**< Extra bit here for sign bit.
- * May be negative for relative addressing.
- */
- GLuint Swizzle:12;
- GLuint RelAddr:1;
-
- /** Take the component-wise absolute value */
- GLuint Abs:1;
-
- /**
- * Post-Abs negation.
- * This will either be NEGATE_NONE or NEGATE_XYZW, except for the SWZ
- * instruction which allows per-component negation.
- */
- GLuint Negate:4;
-};
-
-
-/**
- * Instruction destination register.
- */
-struct prog_dst_register
-{
- GLuint File:4; /**< One of the PROGRAM_* register file values */
- GLuint Index:INST_INDEX_BITS; /**< Unsigned, never negative */
- GLuint WriteMask:4;
- GLuint RelAddr:1;
-
- /**
- * \name Conditional destination update control.
- *
- * \since
- * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
- * NV_vertex_program2_option.
- */
- /*@{*/
- /**
- * Takes one of the 9 possible condition values (EQ, FL, GT, GE, LE, LT,
- * NE, TR, or UN). Dest reg is only written to if the matching
- * (swizzled) condition code value passes. When a conditional update mask
- * is not specified, this will be \c COND_TR.
- */
- GLuint CondMask:4;
-
- /**
- * Condition code swizzle value.
- */
- GLuint CondSwizzle:12;
-
- /**
- * Selects the condition code register to use for conditional destination
- * update masking. In NV_fragmnet_program or NV_vertex_program2 mode, only
- * condition code register 0 is available. In NV_vertex_program3 mode,
- * condition code registers 0 and 1 are available.
- */
- GLuint CondSrc:1;
- /*@}*/
-};
-
-
-/**
- * Vertex/fragment program instruction.
- */
-struct prog_instruction
-{
- gl_inst_opcode Opcode;
- struct prog_src_register SrcReg[3];
- struct prog_dst_register DstReg;
-
- /**
- * Indicates that the instruction should update the condition code
- * register.
- *
- * \since
- * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
- * NV_vertex_program2_option.
- */
- GLuint CondUpdate:1;
-
- /**
- * If prog_instruction::CondUpdate is \c GL_TRUE, this value selects the
- * condition code register that is to be updated.
- *
- * In GL_NV_fragment_program or GL_NV_vertex_program2 mode, only condition
- * code register 0 is available. In GL_NV_vertex_program3 mode, condition
- * code registers 0 and 1 are available.
- *
- * \since
- * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
- * NV_vertex_program2_option.
- */
- GLuint CondDst:1;
-
- /**
- * Saturate each value of the vectored result to the range [0,1] or the
- * range [-1,1]. \c SSAT mode (i.e., saturation to the range [-1,1]) is
- * only available in NV_fragment_program2 mode.
- * Value is one of the SATURATE_* tokens.
- *
- * \since
- * NV_fragment_program, NV_fragment_program_option, NV_vertex_program3.
- */
- GLuint SaturateMode:2;
-
- /**
- * Per-instruction selectable precision: FLOAT32, FLOAT16, FIXED12.
- *
- * \since
- * NV_fragment_program, NV_fragment_program_option.
- */
- GLuint Precision:3;
-
- /**
- * \name Extra fields for TEX, TXB, TXD, TXL, TXP instructions.
- */
- /*@{*/
- /** Source texture unit. */
- GLuint TexSrcUnit:5;
-
- /** Source texture target, one of TEXTURE_{1D,2D,3D,CUBE,RECT}_INDEX */
- GLuint TexSrcTarget:3;
-
- /** True if tex instruction should do shadow comparison */
- GLuint TexShadow:1;
- /*@}*/
-
- /**
- * For BRA and CAL instructions, the location to jump to.
- * For BGNLOOP, points to ENDLOOP (and vice-versa).
- * For BRK, points to BGNLOOP (which points to ENDLOOP).
- * For IF, points to ELSE or ENDIF.
- * For ELSE, points to ENDIF.
- */
- GLint BranchTarget;
-
- /** for debugging purposes */
- const char *Comment;
-
- /** Arbitrary data. Used for OPCODE_PRINT and some drivers */
- void *Data;
-
- /** for driver use (try to remove someday) */
- GLint Aux;
-};
-
-
-extern void
-_mesa_init_instructions(struct prog_instruction *inst, GLuint count);
-
-extern struct prog_instruction *
-_mesa_alloc_instructions(GLuint numInst);
-
-extern struct prog_instruction *
-_mesa_realloc_instructions(struct prog_instruction *oldInst,
- GLuint numOldInst, GLuint numNewInst);
-
-extern struct prog_instruction *
-_mesa_copy_instructions(struct prog_instruction *dest,
- const struct prog_instruction *src, GLuint n);
-
-extern void
-_mesa_free_instructions(struct prog_instruction *inst, GLuint count);
-
-extern GLuint
-_mesa_num_inst_src_regs(gl_inst_opcode opcode);
-
-extern GLuint
-_mesa_num_inst_dst_regs(gl_inst_opcode opcode);
-
-extern GLboolean
-_mesa_is_tex_instruction(gl_inst_opcode opcode);
-
-extern GLboolean
-_mesa_check_soa_dependencies(const struct prog_instruction *inst);
-
-extern const char *
-_mesa_opcode_string(gl_inst_opcode opcode);
-
-
-#endif /* PROG_INSTRUCTION_H */