/* * 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 * \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) { GLuint i; _mesa_memcpy(dest, src, n * sizeof(struct prog_instruction)); for (i = 0; i < n; i++) { if (src[i].Comment) dest[i].Comment = _mesa_strdup(src[i].Comment); } return dest; } /** * Free an array of instructions */ void _mesa_free_instructions(struct prog_instruction *inst, GLuint count) { GLuint i; for (i = 0; i < count; i++) { if (inst[i].Data) _mesa_free(inst[i].Data); if (inst[i].Comment) _mesa_free((char *) inst[i].Comment); } _mesa_free(inst); } /** * 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_CAL, "CAL", 0 }, { OPCODE_CMP, "CMP", 3 }, { OPCODE_CONT, "CONT", 0 }, { 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; }