/** * \file atifragshader.c * \author David Airlie * Copyright (C) 2004 David Airlie 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 * DAVID AIRLIE 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 "main/glheader.h" #include "main/context.h" #include "main/hash.h" #include "main/imports.h" #include "main/macros.h" #include "main/mfeatures.h" #include "main/enums.h" #include "main/mtypes.h" #include "main/dispatch.h" #include "main/atifragshader.h" #if FEATURE_ATI_fragment_shader #define MESA_DEBUG_ATI_FS 0 static struct ati_fragment_shader DummyShader; void _mesa_init_ati_fragment_shader_dispatch(struct _glapi_table *disp) { SET_GenFragmentShadersATI(disp, _mesa_GenFragmentShadersATI); SET_BindFragmentShaderATI(disp, _mesa_BindFragmentShaderATI); SET_DeleteFragmentShaderATI(disp, _mesa_DeleteFragmentShaderATI); SET_BeginFragmentShaderATI(disp, _mesa_BeginFragmentShaderATI); SET_EndFragmentShaderATI(disp, _mesa_EndFragmentShaderATI); SET_PassTexCoordATI(disp, _mesa_PassTexCoordATI); SET_SampleMapATI(disp, _mesa_SampleMapATI); SET_ColorFragmentOp1ATI(disp, _mesa_ColorFragmentOp1ATI); SET_ColorFragmentOp2ATI(disp, _mesa_ColorFragmentOp2ATI); SET_ColorFragmentOp3ATI(disp, _mesa_ColorFragmentOp3ATI); SET_AlphaFragmentOp1ATI(disp, _mesa_AlphaFragmentOp1ATI); SET_AlphaFragmentOp2ATI(disp, _mesa_AlphaFragmentOp2ATI); SET_AlphaFragmentOp3ATI(disp, _mesa_AlphaFragmentOp3ATI); SET_SetFragmentShaderConstantATI(disp, _mesa_SetFragmentShaderConstantATI); } /** * Allocate and initialize a new ATI fragment shader object. */ struct ati_fragment_shader * _mesa_new_ati_fragment_shader(struct gl_context *ctx, GLuint id) { struct ati_fragment_shader *s = CALLOC_STRUCT(ati_fragment_shader); (void) ctx; if (s) { s->Id = id; s->RefCount = 1; } return s; } /** * Delete the given ati fragment shader */ void _mesa_delete_ati_fragment_shader(struct gl_context *ctx, struct ati_fragment_shader *s) { GLuint i; for (i = 0; i < MAX_NUM_PASSES_ATI; i++) { if (s->Instructions[i]) free(s->Instructions[i]); if (s->SetupInst[i]) free(s->SetupInst[i]); } free(s); } static void new_arith_inst(struct ati_fragment_shader *prog) { /* set "default" instruction as not all may get defined. there is no specified way to express a nop with ati fragment shaders we use GL_NONE as the op enum and just set some params to 0 - so nothing to do here */ prog->numArithInstr[prog->cur_pass >> 1]++; } static void new_tex_inst(struct ati_fragment_shader *prog) { } static void match_pair_inst(struct ati_fragment_shader *curProg, GLuint optype) { if (optype == curProg->last_optype) { curProg->last_optype = 1; } } #if MESA_DEBUG_ATI_FS static char * create_dst_mod_str(GLuint mod) { static char ret_str[1024]; memset(ret_str, 0, 1024); if (mod & GL_2X_BIT_ATI) strncat(ret_str, "|2X", 1024); if (mod & GL_4X_BIT_ATI) strncat(ret_str, "|4X", 1024); if (mod & GL_8X_BIT_ATI) strncat(ret_str, "|8X", 1024); if (mod & GL_HALF_BIT_ATI) strncat(ret_str, "|HA", 1024); if (mod & GL_QUARTER_BIT_ATI) strncat(ret_str, "|QU", 1024); if (mod & GL_EIGHTH_BIT_ATI) strncat(ret_str, "|EI", 1024); if (mod & GL_SATURATE_BIT_ATI) strncat(ret_str, "|SAT", 1024); if (strlen(ret_str) == 0) strncat(ret_str, "NONE", 1024); return ret_str; } static char *atifs_ops[] = {"ColorFragmentOp1ATI", "ColorFragmentOp2ATI", "ColorFragmentOp3ATI", "AlphaFragmentOp1ATI", "AlphaFragmentOp2ATI", "AlphaFragmentOp3ATI" }; static void debug_op(GLint optype, GLuint arg_count, GLenum op, GLuint dst, GLuint dstMask, GLuint dstMod, GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod, GLuint arg3, GLuint arg3Rep, GLuint arg3Mod) { char *op_name; op_name = atifs_ops[(arg_count-1)+(optype?3:0)]; fprintf(stderr, "%s(%s, %s", op_name, _mesa_lookup_enum_by_nr(op), _mesa_lookup_enum_by_nr(dst)); if (!optype) fprintf(stderr, ", %d", dstMask); fprintf(stderr, ", %s", create_dst_mod_str(dstMod)); fprintf(stderr, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg1), _mesa_lookup_enum_by_nr(arg1Rep), arg1Mod); if (arg_count>1) fprintf(stderr, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg2), _mesa_lookup_enum_by_nr(arg2Rep), arg2Mod); if (arg_count>2) fprintf(stderr, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg3), _mesa_lookup_enum_by_nr(arg3Rep), arg3Mod); fprintf(stderr,")\n"); } #endif static int check_arith_arg(struct ati_fragment_shader *curProg, GLuint optype, GLuint arg, GLuint argRep) { GET_CURRENT_CONTEXT(ctx); if (((arg < GL_CON_0_ATI) || (arg > GL_CON_7_ATI)) && ((arg < GL_REG_0_ATI) || (arg > GL_REG_5_ATI)) && (arg != GL_ZERO) && (arg != GL_ONE) && (arg != GL_PRIMARY_COLOR_ARB) && (arg != GL_SECONDARY_INTERPOLATOR_ATI)) { _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(arg)"); return 0; } if ((arg == GL_SECONDARY_INTERPOLATOR_ATI) && (((optype == 0) && (argRep == GL_ALPHA)) || ((optype == 1) && ((arg == GL_ALPHA) || (argRep == GL_NONE))))) { _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(sec_interp)"); return 0; } if ((arg == GL_SECONDARY_INTERPOLATOR_ATI) && (((optype == 0) && (argRep == GL_ALPHA)) || ((optype == 1) && ((arg == GL_ALPHA) || (argRep == GL_NONE))))) { _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(sec_interp)"); return 0; } if ((curProg->cur_pass == 1) && ((arg == GL_PRIMARY_COLOR_ARB) || (arg == GL_SECONDARY_INTERPOLATOR_ATI))) { curProg->interpinp1 = GL_TRUE; } return 1; } GLuint GLAPIENTRY _mesa_GenFragmentShadersATI(GLuint range) { GLuint first; GLuint i; GET_CURRENT_CONTEXT(ctx); if (range == 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glGenFragmentShadersATI(range)"); return 0; } if (ctx->ATIFragmentShader.Compiling) { _mesa_error(ctx, GL_INVALID_OPERATION, "glGenFragmentShadersATI(insideShader)"); return 0; } first = _mesa_HashFindFreeKeyBlock(ctx->Shared->ATIShaders, range); for (i = 0; i < range; i++) { _mesa_HashInsert(ctx->Shared->ATIShaders, first + i, &DummyShader); } return first; } void GLAPIENTRY _mesa_BindFragmentShaderATI(GLuint id) { GET_CURRENT_CONTEXT(ctx); struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; struct ati_fragment_shader *newProg; if (ctx->ATIFragmentShader.Compiling) { _mesa_error(ctx, GL_INVALID_OPERATION, "glBindFragmentShaderATI(insideShader)"); return; } FLUSH_VERTICES(ctx, _NEW_PROGRAM); if (curProg->Id == id) { return; } /* unbind current */ if (curProg->Id != 0) { curProg->RefCount--; if (curProg->RefCount <= 0) { _mesa_HashRemove(ctx->Shared->ATIShaders, id); } } /* find new shader */ if (id == 0) { newProg = ctx->Shared->DefaultFragmentShader; } else { newProg = (struct ati_fragment_shader *) _mesa_HashLookup(ctx->Shared->ATIShaders, id); if (!newProg || newProg == &DummyShader) { /* allocate a new program now */ newProg = _mesa_new_ati_fragment_shader(ctx, id); if (!newProg) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFragmentShaderATI"); return; } _mesa_HashInsert(ctx->Shared->ATIShaders, id, newProg); } } /* do actual bind */ ctx->ATIFragmentShader.Current = newProg; ASSERT(ctx->ATIFragmentShader.Current); if (newProg) newProg->RefCount++; /*if (ctx->Driver.BindProgram) ctx->Driver.BindProgram(ctx, target, prog); */ } void GLAPIENTRY _mesa_DeleteFragmentShaderATI(GLuint id) { GET_CURRENT_CONTEXT(ctx); if (ctx->ATIFragmentShader.Compiling) { _mesa_error(ctx, GL_INVALID_OPERATION, "glDeleteFragmentShaderATI(insideShader)"); return; } if (id != 0) { struct ati_fragment_shader *prog = (struct ati_fragment_shader *) _mesa_HashLookup(ctx->Shared->ATIShaders, id); if (prog == &DummyShader) { _mesa_HashRemove(ctx->Shared->ATIShaders, id); } else if (prog) { if (ctx->ATIFragmentShader.Current && ctx->ATIFragmentShader.Current->Id == id) { FLUSH_VERTICES(ctx, _NEW_PROGRAM); _mesa_BindFragmentShaderATI(0); } } /* The ID is immediately available for re-use now */ _mesa_HashRemove(ctx->Shared->ATIShaders, id); if (prog) { prog->RefCount--; if (prog->RefCount <= 0) { assert(prog != &DummyShader); free(prog); } } } } void GLAPIENTRY _mesa_BeginFragmentShaderATI(void) { GLint i; GET_CURRENT_CONTEXT(ctx); if (ctx->ATIFragmentShader.Compiling) { _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginFragmentShaderATI(insideShader)"); return; } FLUSH_VERTICES(ctx, _NEW_PROGRAM); /* if the shader was already defined free instructions and get new ones (or, could use the same mem but would need to reinitialize) */ /* no idea if it's allowed to redefine a shader */ for (i = 0; i < MAX_NUM_PASSES_ATI; i++) { if (ctx->ATIFragmentShader.Current->Instructions[i]) free(ctx->ATIFragmentShader.Current->Instructions[i]); if (ctx->ATIFragmentShader.Current->SetupInst[i]) free(ctx->ATIFragmentShader.Current->SetupInst[i]); } /* malloc the instructions here - not sure if the best place but its a start */ for (i = 0; i < MAX_NUM_PASSES_ATI; i++) { ctx->ATIFragmentShader.Current->Instructions[i] = calloc(1, sizeof(struct atifs_instruction) * (MAX_NUM_INSTRUCTIONS_PER_PASS_ATI)); ctx->ATIFragmentShader.Current->SetupInst[i] = calloc(1, sizeof(struct atifs_setupinst) * (MAX_NUM_FRAGMENT_REGISTERS_ATI)); } /* can't rely on calloc for initialization as it's possible to redefine a shader (?) */ ctx->ATIFragmentShader.Current->LocalConstDef = 0; ctx->ATIFragmentShader.Current->numArithInstr[0] = 0; ctx->ATIFragmentShader.Current->numArithInstr[1] = 0; ctx->ATIFragmentShader.Current->regsAssigned[0] = 0; ctx->ATIFragmentShader.Current->regsAssigned[1] = 0; ctx->ATIFragmentShader.Current->NumPasses = 0; ctx->ATIFragmentShader.Current->cur_pass = 0; ctx->ATIFragmentShader.Current->last_optype = 0; ctx->ATIFragmentShader.Current->interpinp1 = GL_FALSE; ctx->ATIFragmentShader.Current->isValid = GL_FALSE; ctx->ATIFragmentShader.Current->swizzlerq = 0; ctx->ATIFragmentShader.Compiling = 1; } void GLAPIENTRY _mesa_EndFragmentShaderATI(void) { GET_CURRENT_CONTEXT(ctx); struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; #if MESA_DEBUG_ATI_FS GLint i, j; #endif if (!ctx->ATIFragmentShader.Compiling) { _mesa_error(ctx, GL_INVALID_OPERATION, "glEndFragmentShaderATI(outsideShader)"); return; } if (curProg->interpinp1 && (ctx->ATIFragmentShader.Current->cur_pass > 1)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glEndFragmentShaderATI(interpinfirstpass)"); /* according to spec, DON'T return here */ } match_pair_inst(curProg, 0); ctx->ATIFragmentShader.Compiling = 0; ctx->ATIFragmentShader.Current->isValid = GL_TRUE; if ((ctx->ATIFragmentShader.Current->cur_pass == 0) || (ctx->ATIFragmentShader.Current->cur_pass == 2)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glEndFragmentShaderATI(noarithinst)"); } if (ctx->ATIFragmentShader.Current->cur_pass > 1) ctx->ATIFragmentShader.Current->NumPasses = 2; else ctx->ATIFragmentShader.Current->NumPasses = 1; ctx->ATIFragmentShader.Current->cur_pass = 0; #if MESA_DEBUG_ATI_FS for (j = 0; j < MAX_NUM_PASSES_ATI; j++) { for (i = 0; i < MAX_NUM_FRAGMENT_REGISTERS_ATI; i++) { GLuint op = curProg->SetupInst[j][i].Opcode; const char *op_enum = op > 5 ? _mesa_lookup_enum_by_nr(op) : "0"; GLuint src = curProg->SetupInst[j][i].src; GLuint swizzle = curProg->SetupInst[j][i].swizzle; fprintf(stderr, "%2d %04X %s %d %04X\n", i, op, op_enum, src, swizzle); } for (i = 0; i < curProg->numArithInstr[j]; i++) { GLuint op0 = curProg->Instructions[j][i].Opcode[0]; GLuint op1 = curProg->Instructions[j][i].Opcode[1]; const char *op0_enum = op0 > 5 ? _mesa_lookup_enum_by_nr(op0) : "0"; const char *op1_enum = op1 > 5 ? _mesa_lookup_enum_by_nr(op1) : "0"; GLuint count0 = curProg->Instructions[j][i].ArgCount[0]; GLuint count1 = curProg->Instructions[j][i].ArgCount[1]; fprintf(stderr, "%2d %04X %s %d %04X %s %d\n", i, op0, op0_enum, count0, op1, op1_enum, count1); } } #endif if (!ctx->Driver.ProgramStringNotify(ctx, GL_FRAGMENT_SHADER_ATI, NULL)) { ctx->ATIFragmentShader.Current->isValid = GL_FALSE; /* XXX is this the right error? */ _mesa_error(ctx, GL_INVALID_OPERATION, "glEndFragmentShaderATI(driver rejected shader)"); } } void GLAPIENTRY _mesa_PassTexCoordATI(GLuint dst, GLuint coord, GLenum swizzle) { GET_CURRENT_CONTEXT(ctx); struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; struct atifs_setupinst *curI; if (!ctx->ATIFragmentShader.Compiling) { _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(outsideShader)"); return; } if (curProg->cur_pass == 1) { match_pair_inst(curProg, 0); curProg->cur_pass = 2; } if ((curProg->cur_pass > 2) || ((1 << (dst - GL_REG_0_ATI)) & curProg->regsAssigned[curProg->cur_pass >> 1])) { _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoord(pass)"); return; } if ((dst < GL_REG_0_ATI) || (dst > GL_REG_5_ATI) || ((dst - GL_REG_0_ATI) >= ctx->Const.MaxTextureUnits)) { _mesa_error(ctx, GL_INVALID_ENUM, "glPassTexCoordATI(dst)"); return; } if (((coord < GL_REG_0_ATI) || (coord > GL_REG_5_ATI)) && ((coord < GL_TEXTURE0_ARB) || (coord > GL_TEXTURE7_ARB) || ((coord - GL_TEXTURE0_ARB) >= ctx->Const.MaxTextureUnits))) { _mesa_error(ctx, GL_INVALID_ENUM, "glPassTexCoordATI(coord)"); return; } if ((curProg->cur_pass == 0) && (coord >= GL_REG_0_ATI)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(coord)"); return; } if (!(swizzle >= GL_SWIZZLE_STR_ATI) && (swizzle <= GL_SWIZZLE_STQ_DQ_ATI)) { _mesa_error(ctx, GL_INVALID_ENUM, "glPassTexCoordATI(swizzle)"); return; } if ((swizzle & 1) && (coord >= GL_REG_0_ATI)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(swizzle)"); return; } if (coord <= GL_TEXTURE7_ARB) { GLuint tmp = coord - GL_TEXTURE0_ARB; if ((((curProg->swizzlerq >> (tmp * 2)) & 3) != 0) && (((swizzle & 1) + 1) != ((curProg->swizzlerq >> (tmp * 2)) & 3))) { _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(swizzle)"); return; } else { curProg->swizzlerq |= (((swizzle & 1) + 1) << (tmp * 2)); } } curProg->regsAssigned[curProg->cur_pass >> 1] |= 1 << (dst - GL_REG_0_ATI); new_tex_inst(curProg); /* add the instructions */ curI = &curProg->SetupInst[curProg->cur_pass >> 1][dst - GL_REG_0_ATI]; curI->Opcode = ATI_FRAGMENT_SHADER_PASS_OP; curI->src = coord; curI->swizzle = swizzle; #if MESA_DEBUG_ATI_FS _mesa_debug(ctx, "%s(%s, %s, %s)\n", __FUNCTION__, _mesa_lookup_enum_by_nr(dst), _mesa_lookup_enum_by_nr(coord), _mesa_lookup_enum_by_nr(swizzle)); #endif } void GLAPIENTRY _mesa_SampleMapATI(GLuint dst, GLuint interp, GLenum swizzle) { GET_CURRENT_CONTEXT(ctx); struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; struct atifs_setupinst *curI; if (!ctx->ATIFragmentShader.Compiling) { _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(outsideShader)"); return; } if (curProg->cur_pass == 1) { match_pair_inst(curProg, 0); curProg->cur_pass = 2; } if ((curProg->cur_pass > 2) || ((1 << (dst - GL_REG_0_ATI)) & curProg->regsAssigned[curProg->cur_pass >> 1])) { _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(pass)"); return; } if ((dst < GL_REG_0_ATI) || (dst > GL_REG_5_ATI) || ((dst - GL_REG_0_ATI) >= ctx->Const.MaxTextureUnits)) { _mesa_error(ctx, GL_INVALID_ENUM, "glSampleMapATI(dst)"); return; } if (((interp < GL_REG_0_ATI) || (interp > GL_REG_5_ATI)) && ((interp < GL_TEXTURE0_ARB) || (interp > GL_TEXTURE7_ARB) || ((interp - GL_TEXTURE0_ARB) >= ctx->Const.MaxTextureUnits))) { /* is this texture5 or texture7? spec is a bit unclear there */ _mesa_error(ctx, GL_INVALID_ENUM, "glSampleMapATI(interp)"); return; } if ((curProg->cur_pass == 0) && (interp >= GL_REG_0_ATI)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(interp)"); return; } if (!(swizzle >= GL_SWIZZLE_STR_ATI) && (swizzle <= GL_SWIZZLE_STQ_DQ_ATI)) { _mesa_error(ctx, GL_INVALID_ENUM, "glSampleMapATI(swizzle)"); return; } if ((swizzle & 1) && (interp >= GL_REG_0_ATI)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(swizzle)"); return; } if (interp <= GL_TEXTURE7_ARB) { GLuint tmp = interp - GL_TEXTURE0_ARB; if ((((curProg->swizzlerq >> (tmp * 2)) & 3) != 0) && (((swizzle & 1) + 1) != ((curProg->swizzlerq >> (tmp * 2)) & 3))) { _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(swizzle)"); return; } else { curProg->swizzlerq |= (((swizzle & 1) + 1) << (tmp * 2)); } } curProg->regsAssigned[curProg->cur_pass >> 1] |= 1 << (dst - GL_REG_0_ATI); new_tex_inst(curProg); /* add the instructions */ curI = &curProg->SetupInst[curProg->cur_pass >> 1][dst - GL_REG_0_ATI]; curI->Opcode = ATI_FRAGMENT_SHADER_SAMPLE_OP; curI->src = interp; curI->swizzle = swizzle; #if MESA_DEBUG_ATI_FS _mesa_debug(ctx, "%s(%s, %s, %s)\n", __FUNCTION__, _mesa_lookup_enum_by_nr(dst), _mesa_lookup_enum_by_nr(interp), _mesa_lookup_enum_by_nr(swizzle)); #endif } static void _mesa_FragmentOpXATI(GLint optype, GLuint arg_count, GLenum op, GLuint dst, GLuint dstMask, GLuint dstMod, GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod, GLuint arg3, GLuint arg3Rep, GLuint arg3Mod) { GET_CURRENT_CONTEXT(ctx); struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; GLint ci; struct atifs_instruction *curI; GLuint modtemp = dstMod & ~GL_SATURATE_BIT_ATI; if (!ctx->ATIFragmentShader.Compiling) { _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(outsideShader)"); return; } if (curProg->cur_pass==0) curProg->cur_pass=1; else if (curProg->cur_pass==2) curProg->cur_pass=3; /* decide whether this is a new instruction or not ... all color instructions are new, and alpha instructions might also be new if there was no preceding color inst */ if ((optype == 0) || (curProg->last_optype == optype)) { if (curProg->numArithInstr[curProg->cur_pass >> 1] > 7) { _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(instrCount)"); return; } /* easier to do that here slight side effect invalid instr will still be inserted as nops */ match_pair_inst(curProg, optype); new_arith_inst(curProg); } curProg->last_optype = optype; ci = curProg->numArithInstr[curProg->cur_pass >> 1] - 1; /* add the instructions */ curI = &curProg->Instructions[curProg->cur_pass >> 1][ci]; /* error checking */ if ((dst < GL_REG_0_ATI) || (dst > GL_REG_5_ATI)) { _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(dst)"); return; } if ((modtemp != GL_NONE) && (modtemp != GL_2X_BIT_ATI) && (modtemp != GL_4X_BIT_ATI) && (modtemp != GL_8X_BIT_ATI) && (modtemp != GL_HALF_BIT_ATI) && !(modtemp != GL_QUARTER_BIT_ATI) && (modtemp != GL_EIGHTH_BIT_ATI)) { _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(dstMod)%x", modtemp); return; } /* op checking? Actually looks like that's missing in the spec but we'll do it anyway */ if (((op < GL_ADD_ATI) || (op > GL_DOT2_ADD_ATI)) && !(op == GL_MOV_ATI)) { _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(op)"); return; } if (optype == 1) { if (((op == GL_DOT2_ADD_ATI) && (curI->Opcode[0] != GL_DOT2_ADD_ATI)) || ((op == GL_DOT3_ATI) && (curI->Opcode[0] != GL_DOT3_ATI)) || ((op == GL_DOT4_ATI) && (curI->Opcode[0] != GL_DOT4_ATI)) || ((op != GL_DOT4_ATI) && (curI->Opcode[0] == GL_DOT4_ATI))) { _mesa_error(ctx, GL_INVALID_OPERATION, "AFragmentOpATI(op)"); return; } } if ((op == GL_DOT4_ATI) && (((arg1 == GL_SECONDARY_INTERPOLATOR_ATI) && ((arg1Rep == GL_ALPHA) || (arg1Rep == GL_NONE))) || (((arg2 == GL_SECONDARY_INTERPOLATOR_ATI) && ((arg2Rep == GL_ALPHA) || (arg2Rep == GL_NONE)))))) { _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(sec_interp)"); } if (!check_arith_arg(curProg, optype, arg1, arg1Rep)) { return; } if (arg2) { if (!check_arith_arg(curProg, optype, arg2, arg2Rep)) { return; } } if (arg3) { if (!check_arith_arg(curProg, optype, arg3, arg3Rep)) { return; } if ((arg1 >= GL_CON_0_ATI) && (arg1 <= GL_CON_7_ATI) && (arg2 >= GL_CON_0_ATI) && (arg2 <= GL_CON_7_ATI) && (arg3 >= GL_CON_0_ATI) && (arg3 <= GL_CON_7_ATI) && (arg1 != arg2) && (arg1 != arg3) && (arg2 != arg3)) { _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(3Consts)"); return; } } /* all ok - not all fully validated though (e.g. argNMod - spec doesn't say anything) */ curI->Opcode[optype] = op; curI->SrcReg[optype][0].Index = arg1; curI->SrcReg[optype][0].argRep = arg1Rep; curI->SrcReg[optype][0].argMod = arg1Mod; curI->ArgCount[optype] = arg_count; if (arg2) { curI->SrcReg[optype][1].Index = arg2; curI->SrcReg[optype][1].argRep = arg2Rep; curI->SrcReg[optype][1].argMod = arg2Mod; } if (arg3) { curI->SrcReg[optype][2].Index = arg3; curI->SrcReg[optype][2].argRep = arg3Rep; curI->SrcReg[optype][2].argMod = arg3Mod; } curI->DstReg[optype].Index = dst; curI->DstReg[optype].dstMod = dstMod; curI->DstReg[optype].dstMask = dstMask; #if MESA_DEBUG_ATI_FS debug_op(optype, arg_count, op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, arg3, arg3Rep, arg3Mod); #endif } void GLAPIENTRY _mesa_ColorFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMask, GLuint dstMod, GLuint arg1, GLuint arg1Rep, GLuint arg1Mod) { _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP, 1, op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, 0, 0, 0, 0, 0, 0); } void GLAPIENTRY _mesa_ColorFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMask, GLuint dstMod, GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod) { _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP, 2, op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, 0, 0, 0); } void GLAPIENTRY _mesa_ColorFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMask, GLuint dstMod, GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod, GLuint arg3, GLuint arg3Rep, GLuint arg3Mod) { _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP, 3, op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, arg3, arg3Rep, arg3Mod); } void GLAPIENTRY _mesa_AlphaFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1, GLuint arg1Rep, GLuint arg1Mod) { _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP, 1, op, dst, 0, dstMod, arg1, arg1Rep, arg1Mod, 0, 0, 0, 0, 0, 0); } void GLAPIENTRY _mesa_AlphaFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod) { _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP, 2, op, dst, 0, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, 0, 0, 0); } void GLAPIENTRY _mesa_AlphaFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod, GLuint arg3, GLuint arg3Rep, GLuint arg3Mod) { _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP, 3, op, dst, 0, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, arg3, arg3Rep, arg3Mod); } void GLAPIENTRY _mesa_SetFragmentShaderConstantATI(GLuint dst, const GLfloat * value) { GLuint dstindex; GET_CURRENT_CONTEXT(ctx); if ((dst < GL_CON_0_ATI) || (dst > GL_CON_7_ATI)) { /* spec says nothing about what should happen here but we can't just segfault...*/ _mesa_error(ctx, GL_INVALID_ENUM, "glSetFragmentShaderConstantATI(dst)"); return; } dstindex = dst - GL_CON_0_ATI; if (ctx->ATIFragmentShader.Compiling) { struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; COPY_4V(curProg->Constants[dstindex], value); curProg->LocalConstDef |= 1 << dstindex; } else { FLUSH_VERTICES(ctx, _NEW_PROGRAM); COPY_4V(ctx->ATIFragmentShader.GlobalConstants[dstindex], value); } } #endif /* FEATURE_ATI_fragment_shader */