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Diffstat (limited to 'src/mesa/shader/prog_instruction.c')
-rw-r--r-- | src/mesa/shader/prog_instruction.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/src/mesa/shader/prog_instruction.c b/src/mesa/shader/prog_instruction.c new file mode 100644 index 00000000000..272caf6c746 --- /dev/null +++ b/src/mesa/shader/prog_instruction.c @@ -0,0 +1,243 @@ +/* + * Mesa 3-D graphics library + * Version: 6.5.3 + * + * Copyright (C) 1999-2005 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. + */ + + +#include "glheader.h" +#include "imports.h" +#include "mtypes.h" +#include "prog_instruction.h" + + +/** + * Initialize program instruction fields to defaults. + * \param inst first instruction to initialize + * \param count number of instructions to initialize + */ +void +_mesa_init_instructions(struct prog_instruction *inst, GLuint count) +{ + GLuint i; + + _mesa_bzero(inst, count * sizeof(struct prog_instruction)); + + for (i = 0; i < count; i++) { + inst[i].SrcReg[0].File = PROGRAM_UNDEFINED; + inst[i].SrcReg[0].Swizzle = SWIZZLE_NOOP; + inst[i].SrcReg[1].File = PROGRAM_UNDEFINED; + inst[i].SrcReg[1].Swizzle = SWIZZLE_NOOP; + inst[i].SrcReg[2].File = PROGRAM_UNDEFINED; + inst[i].SrcReg[2].Swizzle = SWIZZLE_NOOP; + + inst[i].DstReg.File = PROGRAM_UNDEFINED; + inst[i].DstReg.WriteMask = WRITEMASK_XYZW; + inst[i].DstReg.CondMask = COND_TR; + inst[i].DstReg.CondSwizzle = SWIZZLE_NOOP; + + inst[i].SaturateMode = SATURATE_OFF; + inst[i].Precision = FLOAT32; + } +} + + +/** + * Allocate an array of program instructions. + * \param numInst number of instructions + * \return pointer to instruction memory + */ +struct prog_instruction * +_mesa_alloc_instructions(GLuint numInst) +{ + return (struct prog_instruction *) + _mesa_calloc(numInst * sizeof(struct prog_instruction)); +} + + +/** + * Reallocate memory storing an array of program instructions. + * This is used when we need to append additional instructions onto an + * program. + * \param oldInst pointer to first of old/src instructions + * \param numOldInst number of instructions at <oldInst> + * \param numNewInst desired size of new instruction array. + * \return pointer to start of new instruction array. + */ +struct prog_instruction * +_mesa_realloc_instructions(struct prog_instruction *oldInst, + GLuint numOldInst, GLuint numNewInst) +{ + struct prog_instruction *newInst; + + newInst = (struct prog_instruction *) + _mesa_realloc(oldInst, + numOldInst * sizeof(struct prog_instruction), + numNewInst * sizeof(struct prog_instruction)); + + return newInst; +} + + +/** + * Copy an array of program instructions. + * \param dest pointer to destination. + * \param src pointer to source. + * \param n number of instructions to copy. + * \return pointer to destination. + */ +struct prog_instruction * +_mesa_copy_instructions(struct prog_instruction *dest, + const struct prog_instruction *src, GLuint n) +{ + return _mesa_memcpy(dest, src, n * sizeof(struct prog_instruction)); +} + + +/** + * Basic info about each instruction + */ +struct instruction_info +{ + gl_inst_opcode Opcode; + const char *Name; + GLuint NumSrcRegs; +}; + +/** + * Instruction info + * \note Opcode should equal array index! + */ +static const struct instruction_info InstInfo[MAX_OPCODE] = { + { OPCODE_NOP, "NOP", 0 }, + { OPCODE_ABS, "ABS", 1 }, + { OPCODE_ADD, "ADD", 2 }, + { OPCODE_ARA, "ARA", 1 }, + { OPCODE_ARL, "ARL", 1 }, + { OPCODE_ARL_NV, "ARL", 1 }, + { OPCODE_ARR, "ARL", 1 }, + { OPCODE_BGNLOOP,"BGNLOOP", 0 }, + { OPCODE_BGNSUB, "BGNSUB", 0 }, + { OPCODE_BRA, "BRA", 0 }, + { OPCODE_BRK, "BRK", 0 }, + { OPCODE_BRK0, "BRK0", 1 }, + { OPCODE_BRK1, "BRK1", 1 }, + { OPCODE_CAL, "CAL", 0 }, + { OPCODE_CMP, "CMP", 3 }, + { OPCODE_CONT, "CONT", 0 }, + { OPCODE_CONT0, "CONT0", 1 }, + { OPCODE_CONT1, "CONT1", 1 }, + { OPCODE_COS, "COS", 1 }, + { OPCODE_DDX, "DDX", 1 }, + { OPCODE_DDY, "DDY", 1 }, + { OPCODE_DP3, "DP3", 2 }, + { OPCODE_DP4, "DP4", 2 }, + { OPCODE_DPH, "DPH", 2 }, + { OPCODE_DST, "DST", 2 }, + { OPCODE_ELSE, "ELSE", 0 }, + { OPCODE_END, "END", 0 }, + { OPCODE_ENDIF, "ENDIF", 0 }, + { OPCODE_ENDLOOP,"ENDLOOP", 0 }, + { OPCODE_ENDSUB, "ENDSUB", 0 }, + { OPCODE_EX2, "EX2", 1 }, + { OPCODE_EXP, "EXP", 1 }, + { OPCODE_FLR, "FLR", 1 }, + { OPCODE_FRC, "FRC", 1 }, + { OPCODE_IF, "IF", 0 }, + { OPCODE_INT, "INT", 1 }, + { OPCODE_KIL, "KIL", 1 }, + { OPCODE_KIL_NV, "KIL", 0 }, + { OPCODE_LG2, "LG2", 1 }, + { OPCODE_LIT, "LIT", 1 }, + { OPCODE_LOG, "LOG", 1 }, + { OPCODE_LRP, "LRP", 3 }, + { OPCODE_MAD, "MAD", 3 }, + { OPCODE_MAX, "MAX", 2 }, + { OPCODE_MIN, "MIN", 2 }, + { OPCODE_MOV, "MOV", 1 }, + { OPCODE_MUL, "MUL", 2 }, + { OPCODE_NOISE1, "NOISE1", 1 }, + { OPCODE_NOISE2, "NOISE2", 1 }, + { OPCODE_NOISE3, "NOISE3", 1 }, + { OPCODE_NOISE4, "NOISE4", 1 }, + { OPCODE_PK2H, "PK2H", 1 }, + { OPCODE_PK2US, "PK2US", 1 }, + { OPCODE_PK4B, "PK4B", 1 }, + { OPCODE_PK4UB, "PK4UB", 1 }, + { OPCODE_POW, "POW", 2 }, + { OPCODE_POPA, "POPA", 0 }, + { OPCODE_PRINT, "PRINT", 1 }, + { OPCODE_PUSHA, "PUSHA", 0 }, + { OPCODE_RCC, "RCC", 1 }, + { OPCODE_RCP, "RCP", 1 }, + { OPCODE_RET, "RET", 0 }, + { OPCODE_RFL, "RFL", 1 }, + { OPCODE_RSQ, "RSQ", 1 }, + { OPCODE_SCS, "SCS", 1 }, + { OPCODE_SEQ, "SEQ", 2 }, + { OPCODE_SFL, "SFL", 0 }, + { OPCODE_SGE, "SGE", 2 }, + { OPCODE_SGT, "SGT", 2 }, + { OPCODE_SIN, "SIN", 1 }, + { OPCODE_SLE, "SLE", 2 }, + { OPCODE_SLT, "SLT", 2 }, + { OPCODE_SNE, "SNE", 2 }, + { OPCODE_SSG, "SSG", 1 }, + { OPCODE_STR, "STR", 0 }, + { OPCODE_SUB, "SUB", 2 }, + { OPCODE_SWZ, "SWZ", 1 }, + { OPCODE_TEX, "TEX", 1 }, + { OPCODE_TXB, "TXB", 1 }, + { OPCODE_TXD, "TXD", 3 }, + { OPCODE_TXL, "TXL", 1 }, + { OPCODE_TXP, "TXP", 1 }, + { OPCODE_TXP_NV, "TXP", 1 }, + { OPCODE_UP2H, "UP2H", 1 }, + { OPCODE_UP2US, "UP2US", 1 }, + { OPCODE_UP4B, "UP4B", 1 }, + { OPCODE_UP4UB, "UP4UB", 1 }, + { OPCODE_X2D, "X2D", 3 }, + { OPCODE_XPD, "XPD", 2 } +}; + + +/** + * Return the number of src registers for the given instruction/opcode. + */ +GLuint +_mesa_num_inst_src_regs(gl_inst_opcode opcode) +{ + ASSERT(opcode == InstInfo[opcode].Opcode); + ASSERT(OPCODE_XPD == InstInfo[OPCODE_XPD].Opcode); + return InstInfo[opcode].NumSrcRegs; +} + + +/** + * Return string name for given program opcode. + */ +const char * +_mesa_opcode_string(gl_inst_opcode opcode) +{ + ASSERT(opcode < MAX_OPCODE); + return InstInfo[opcode].Name; +} + |