diff options
Diffstat (limited to 'src/mesa/shader/atifragshader.c')
-rw-r--r-- | src/mesa/shader/atifragshader.c | 400 |
1 files changed, 340 insertions, 60 deletions
diff --git a/src/mesa/shader/atifragshader.c b/src/mesa/shader/atifragshader.c index d8df8f518b6..ffd46b1095c 100644 --- a/src/mesa/shader/atifragshader.c +++ b/src/mesa/shader/atifragshader.c @@ -35,9 +35,24 @@ extern struct program _mesa_DummyProgram; static void -new_inst(struct ati_fragment_shader *prog) +new_arith_inst(struct ati_fragment_shader *prog) { - prog->Base.NumInstructions++; +/* 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 @@ -104,6 +119,35 @@ static void debug_op(GLint optype, GLuint arg_count, GLenum op, GLuint dst, } #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) { @@ -111,6 +155,16 @@ _mesa_GenFragmentShadersATI(GLuint range) 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->Programs, range); for (i = 0; i < range; i++) { _mesa_HashInsert(ctx->Shared->Programs, first + i, &_mesa_DummyProgram); @@ -126,6 +180,11 @@ _mesa_BindFragmentShaderATI(GLuint id) GET_CURRENT_CONTEXT(ctx); struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; + if (ctx->ATIFragmentShader.Compiling) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBindFragmentShaderATI(insideShader)"); + return; + } + FLUSH_VERTICES(ctx, _NEW_PROGRAM); if (curProg->Base.Id == id) { @@ -173,6 +232,11 @@ _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 program *prog = (struct program *) _mesa_HashLookup(ctx->Shared->Programs, id); @@ -199,7 +263,7 @@ _mesa_DeleteFragmentShaderATI(GLuint id) _mesa_HashRemove(ctx->Shared->Programs, id); prog->RefCount--; if (prog->RefCount <= 0) { - ctx->Driver.DeleteProgram(ctx, prog); + ctx->Driver.DeleteProgram(ctx, prog); } #endif } @@ -208,16 +272,49 @@ _mesa_DeleteFragmentShaderATI(GLuint id) void GLAPIENTRY _mesa_BeginFragmentShaderATI(void) { + GLint i; GET_CURRENT_CONTEXT(ctx); + if (ctx->ATIFragmentShader.Compiling) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginFragmentShaderATI(insideShader)"); + return; + } + + /* 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]) + _mesa_free(ctx->ATIFragmentShader.Current->Instructions[i]); + if (ctx->ATIFragmentShader.Current->SetupInst[i]) + _mesa_free(ctx->ATIFragmentShader.Current->SetupInst[i]); + } + /* malloc the instructions here - not sure if the best place but its a start */ - ctx->ATIFragmentShader.Current->Instructions = - (struct atifs_instruction *) - _mesa_calloc(sizeof(struct atifs_instruction) * MAX_NUM_PASSES_ATI * - MAX_NUM_INSTRUCTIONS_PER_PASS_ATI * 2); + for (i = 0; i < MAX_NUM_PASSES_ATI; i++) { + ctx->ATIFragmentShader.Current->Instructions[i] = + (struct atifs_instruction *) + _mesa_calloc(sizeof(struct atifs_instruction) * + (MAX_NUM_INSTRUCTIONS_PER_PASS_ATI)); + ctx->ATIFragmentShader.Current->SetupInst[i] = + (struct atifs_setupinst *) + _mesa_calloc(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; } @@ -225,25 +322,51 @@ void GLAPIENTRY _mesa_EndFragmentShaderATI(void) { GET_CURRENT_CONTEXT(ctx); -#if MESA_DEBUG_ATI_FS struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; - GLint i; +#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->NumPasses = ctx->ATIFragmentShader.Current->cur_pass; + 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 (i = 0; i < curProg->Base.NumInstructions; i++) { - GLuint op0 = curProg->Instructions[i].Opcode[0]; - GLuint op1 = curProg->Instructions[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[i].ArgCount[0]; - GLuint count1 = curProg->Instructions[i].ArgCount[1]; - - fprintf(stderr, "%2d %04X %s %d %04X %s %d\n", i, op0, op0_enum, count0, + 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 } @@ -253,28 +376,63 @@ _mesa_PassTexCoordATI(GLuint dst, GLuint coord, GLenum swizzle) { GET_CURRENT_CONTEXT(ctx); struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; - GLint ci; - struct atifs_instruction *curI; + struct atifs_setupinst *curI; + + if (!ctx->ATIFragmentShader.Compiling) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(outsideShader)"); + return; + } - if (ctx->ATIFragmentShader.Current->cur_pass==1) - ctx->ATIFragmentShader.Current->cur_pass=2; + 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)) { + _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_TEXTURE5_ARB))) { + /* is this texture5 or texture7? spec is a bit unclear there */ + _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_TEXTURE5) { + if ((((curProg->swizzlerq >> (coord * 2)) & 3) != 0) && + (((swizzle & 1) + 1) != ((curProg->swizzlerq >> (coord * 2)) & 3))) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(swizzle)"); + return; + } else { + curProg->swizzlerq |= (((swizzle & 1) + 1) << (coord * 2)); + } + } - new_inst(curProg); - ci = curProg->Base.NumInstructions - 1; - /* some validation - if ((swizzle != GL_SWIZZLE_STR_ATI) || - (swizzle != GL_SWIZZLE_STQ_ATI) || - (swizzle != GL_SWIZZLE_STR_DR_ATI) || - (swizzle != GL_SWIZZLE_STQ_DQ_ATI)) - */ + curProg->regsAssigned[curProg->cur_pass >> 1] |= 1 << (dst - GL_REG_0_ATI); + new_tex_inst(curProg); /* add the instructions */ - curI = &curProg->Instructions[ci]; + curI = &curProg->SetupInst[curProg->cur_pass >> 1][dst - GL_REG_0_ATI]; - curI->Opcode[0] = ATI_FRAGMENT_SHADER_PASS_OP; - curI->DstReg[0].Index = dst; - curI->SrcReg[0][0].Index = coord; - curI->DstReg[0].Swizzle = swizzle; + 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__, @@ -288,24 +446,63 @@ _mesa_SampleMapATI(GLuint dst, GLuint interp, GLenum swizzle) { GET_CURRENT_CONTEXT(ctx); struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; - GLint ci; - struct atifs_instruction *curI; + struct atifs_setupinst *curI; - if (ctx->ATIFragmentShader.Current->cur_pass==1) - ctx->ATIFragmentShader.Current->cur_pass=2; + 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)) { + _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_TEXTURE5_ARB))) { + /* 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_TEXTURE5) { + if ((((curProg->swizzlerq >> (interp * 2)) & 3) != 0) && + (((swizzle & 1) + 1) != ((curProg->swizzlerq >> (interp * 2)) & 3))) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(swizzle)"); + return; + } else { + curProg->swizzlerq |= (((swizzle & 1) + 1) << (interp * 2)); + } + } - new_inst(curProg); + curProg->regsAssigned[curProg->cur_pass >> 1] |= 1 << (dst - GL_REG_0_ATI); + new_tex_inst(curProg); - ci = curProg->Base.NumInstructions - 1; /* add the instructions */ - curI = &curProg->Instructions[ci]; - - curI->Opcode[0] = ATI_FRAGMENT_SHADER_SAMPLE_OP; - curI->DstReg[0].Index = dst; - curI->DstReg[0].Swizzle = swizzle; + curI = &curProg->SetupInst[curProg->cur_pass >> 1][dst - GL_REG_0_ATI]; - curI->SrcReg[0][0].Index = interp; + 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__, @@ -325,21 +522,92 @@ _mesa_FragmentOpXATI(GLint optype, GLuint arg_count, GLenum op, GLuint dst, struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; GLint ci; struct atifs_instruction *curI; + GLuint modtemp = dstMod & ~GL_SATURATE_BIT_ATI; - if (ctx->ATIFragmentShader.Current->cur_pass==0) - ctx->ATIFragmentShader.Current->cur_pass=1; + if (!ctx->ATIFragmentShader.Compiling) { + _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(outsideShader)"); + return; + } - /* decide whether this is a new instruction or not ... all color instructions are new */ - if (optype == 0) - new_inst(curProg); + if (curProg->cur_pass==0) + curProg->cur_pass=1; - ci = curProg->Base.NumInstructions - 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[ci]; + curI = &curProg->Instructions[curProg->cur_pass >> 1][ci]; - curI->Opcode[optype] = op; + /* 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; @@ -360,7 +628,7 @@ _mesa_FragmentOpXATI(GLint optype, GLuint arg_count, GLenum op, GLuint dst, 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 @@ -432,8 +700,20 @@ void GLAPIENTRY _mesa_SetFragmentShaderConstantATI(GLuint dst, const GLfloat * value) { GET_CURRENT_CONTEXT(ctx); - GLuint dstindex = dst - GL_CON_0_ATI; - struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current; - COPY_4V(curProg->Constants[dstindex], value); + 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; + } + + GLuint 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 { + COPY_4V(ctx->ATIFragmentShader.globalConstants[dstindex], value); + } } |