| /* |
| * 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) |
| { |
| 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; |
| GLuint NumDstRegs; |
| }; |
| |
| /** |
| * Instruction info |
| * \note Opcode should equal array index! |
| */ |
| static const struct instruction_info InstInfo[MAX_OPCODE] = { |
| { OPCODE_NOP, "NOP", 0, 0 }, |
| { OPCODE_ABS, "ABS", 1, 1 }, |
| { OPCODE_ADD, "ADD", 2, 1 }, |
| { OPCODE_ARA, "ARA", 1, 1 }, |
| { OPCODE_ARL, "ARL", 1, 1 }, |
| { OPCODE_ARL_NV, "ARL", 1, 1 }, |
| { OPCODE_ARR, "ARL", 1, 1 }, |
| { OPCODE_BGNLOOP,"BGNLOOP", 0, 0 }, |
| { OPCODE_BGNSUB, "BGNSUB", 0, 0 }, |
| { OPCODE_BRA, "BRA", 0, 0 }, |
| { OPCODE_BRK, "BRK", 0, 0 }, |
| { OPCODE_CAL, "CAL", 0, 0 }, |
| { OPCODE_CMP, "CMP", 3, 1 }, |
| { OPCODE_CONT, "CONT", 0, 0 }, |
| { OPCODE_COS, "COS", 1, 1 }, |
| { OPCODE_DDX, "DDX", 1, 1 }, |
| { OPCODE_DDY, "DDY", 1, 1 }, |
| { OPCODE_DP3, "DP3", 2, 1 }, |
| { OPCODE_DP4, "DP4", 2, 1 }, |
| { OPCODE_DPH, "DPH", 2, 1 }, |
| { OPCODE_DST, "DST", 2, 1 }, |
| { OPCODE_ELSE, "ELSE", 0, 0 }, |
| { OPCODE_END, "END", 0, 0 }, |
| { OPCODE_ENDIF, "ENDIF", 0, 0 }, |
| { OPCODE_ENDLOOP,"ENDLOOP", 0, 0 }, |
| { OPCODE_ENDSUB, "ENDSUB", 0, 0 }, |
| { OPCODE_EX2, "EX2", 1, 1 }, |
| { OPCODE_EXP, "EXP", 1, 1 }, |
| { OPCODE_FLR, "FLR", 1, 1 }, |
| { OPCODE_FRC, "FRC", 1, 1 }, |
| { OPCODE_IF, "IF", 1, 0 }, |
| { OPCODE_INT, "INT", 1, 1 }, |
| { OPCODE_KIL, "KIL", 1, 0 }, |
| { OPCODE_KIL_NV, "KIL", 0, 0 }, |
| { OPCODE_LG2, "LG2", 1, 1 }, |
| { OPCODE_LIT, "LIT", 1, 1 }, |
| { OPCODE_LOG, "LOG", 1, 1 }, |
| { OPCODE_LRP, "LRP", 3, 1 }, |
| { OPCODE_MAD, "MAD", 3, 1 }, |
| { OPCODE_MAX, "MAX", 2, 1 }, |
| { OPCODE_MIN, "MIN", 2, 1 }, |
| { OPCODE_MOV, "MOV", 1, 1 }, |
| { OPCODE_MUL, "MUL", 2, 1 }, |
| { OPCODE_NOISE1, "NOISE1", 1, 1 }, |
| { OPCODE_NOISE2, "NOISE2", 1, 1 }, |
| { OPCODE_NOISE3, "NOISE3", 1, 1 }, |
| { OPCODE_NOISE4, "NOISE4", 1, 1 }, |
| { OPCODE_PK2H, "PK2H", 1, 1 }, |
| { OPCODE_PK2US, "PK2US", 1, 1 }, |
| { OPCODE_PK4B, "PK4B", 1, 1 }, |
| { OPCODE_PK4UB, "PK4UB", 1, 1 }, |
| { OPCODE_POW, "POW", 2, 1 }, |
| { OPCODE_POPA, "POPA", 0, 0 }, |
| { OPCODE_PRINT, "PRINT", 1, 0 }, |
| { OPCODE_PUSHA, "PUSHA", 0, 0 }, |
| { OPCODE_RCC, "RCC", 1, 1 }, |
| { OPCODE_RCP, "RCP", 1, 1 }, |
| { OPCODE_RET, "RET", 0, 0 }, |
| { OPCODE_RFL, "RFL", 1, 1 }, |
| { OPCODE_RSQ, "RSQ", 1, 1 }, |
| { OPCODE_SCS, "SCS", 1, 1 }, |
| { OPCODE_SEQ, "SEQ", 2, 1 }, |
| { OPCODE_SFL, "SFL", 0, 1 }, |
| { OPCODE_SGE, "SGE", 2, 1 }, |
| { OPCODE_SGT, "SGT", 2, 1 }, |
| { OPCODE_SIN, "SIN", 1, 1 }, |
| { OPCODE_SLE, "SLE", 2, 1 }, |
| { OPCODE_SLT, "SLT", 2, 1 }, |
| { OPCODE_SNE, "SNE", 2, 1 }, |
| { OPCODE_SSG, "SSG", 1, 1 }, |
| { OPCODE_STR, "STR", 0, 1 }, |
| { OPCODE_SUB, "SUB", 2, 1 }, |
| { OPCODE_SWZ, "SWZ", 1, 1 }, |
| { OPCODE_TEX, "TEX", 1, 1 }, |
| { OPCODE_TXB, "TXB", 1, 1 }, |
| { OPCODE_TXD, "TXD", 3, 1 }, |
| { OPCODE_TXL, "TXL", 1, 1 }, |
| { OPCODE_TXP, "TXP", 1, 1 }, |
| { OPCODE_TXP_NV, "TXP", 1, 1 }, |
| { OPCODE_UP2H, "UP2H", 1, 1 }, |
| { OPCODE_UP2US, "UP2US", 1, 1 }, |
| { OPCODE_UP4B, "UP4B", 1, 1 }, |
| { OPCODE_UP4UB, "UP4UB", 1, 1 }, |
| { OPCODE_X2D, "X2D", 3, 1 }, |
| { OPCODE_XPD, "XPD", 2, 1 } |
| }; |
| |
| |
| /** |
| * 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 the number of dst registers for the given instruction/opcode. |
| */ |
| GLuint |
| _mesa_num_inst_dst_regs(gl_inst_opcode opcode) |
| { |
| ASSERT(opcode == InstInfo[opcode].Opcode); |
| ASSERT(OPCODE_XPD == InstInfo[OPCODE_XPD].Opcode); |
| return InstInfo[opcode].NumDstRegs; |
| } |
| |
| |
| GLboolean |
| _mesa_is_tex_instruction(gl_inst_opcode opcode) |
| { |
| return (opcode == OPCODE_TEX || |
| opcode == OPCODE_TXB || |
| opcode == OPCODE_TXD || |
| opcode == OPCODE_TXL || |
| opcode == OPCODE_TXP); |
| } |
| |
| |
| /** |
| * Return string name for given program opcode. |
| */ |
| const char * |
| _mesa_opcode_string(gl_inst_opcode opcode) |
| { |
| ASSERT(opcode < MAX_OPCODE); |
| return InstInfo[opcode].Name; |
| } |
| |
