diff options
Diffstat (limited to 'src/mesa/shader/slang')
-rw-r--r-- | src/mesa/shader/slang/slang_codegen.c | 15 | ||||
-rw-r--r-- | src/mesa/shader/slang/slang_compile.c | 6 | ||||
-rw-r--r-- | src/mesa/shader/slang/slang_emit.c | 6 | ||||
-rw-r--r-- | src/mesa/shader/slang/slang_link.c | 71 | ||||
-rw-r--r-- | src/mesa/shader/slang/slang_link.h | 4 | ||||
-rw-r--r-- | src/mesa/shader/slang/slang_typeinfo.h | 1 |
6 files changed, 51 insertions, 52 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index fb1f9d5a20a..767ba3ffb43 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -2874,14 +2874,23 @@ _slang_codegen_global_variable(slang_assemble_ctx *A, slang_variable *var, const GLint texIndex = sampler_to_texture_index(var->type.specifier.type); if (texIndex != -1) { - /* Texture sampler: + /* This is a texture sampler variable... * store->File = PROGRAM_SAMPLER - * store->Index = sampler uniform location + * store->Index = sampler number (0..7, typically) * store->Size = texture type index (1D, 2D, 3D, cube, etc) */ +#if 0 GLint samplerUniform = _mesa_add_sampler(prog->Parameters, varName, datatype); - store = _slang_new_ir_storage(PROGRAM_SAMPLER, samplerUniform, texIndex); +#elif 0 + GLint samplerUniform + = _mesa_add_sampler(prog->Samplers, varName, datatype); + (void) _mesa_add_sampler(prog->Parameters, varName, datatype); /* dummy entry */ +#else + const GLint sampNum = A->numSamplers++; + _mesa_add_sampler(prog->Parameters, varName, datatype, sampNum); +#endif + store = _slang_new_ir_storage(PROGRAM_SAMPLER, sampNum, texIndex); if (dbg) printf("SAMPLER "); } else if (var->type.qualifier == SLANG_QUAL_UNIFORM) { diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c index 2be89a5ce05..bfb9ca4db6a 100644 --- a/src/mesa/shader/slang/slang_compile.c +++ b/src/mesa/shader/slang/slang_compile.c @@ -1618,6 +1618,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O, A.program = O->program; A.vartable = O->vartable; A.curFuncEndLabel = NULL; + A.numSamplers = 0; if (!_slang_codegen_global_variable(&A, var, C->type)) return 0; } @@ -1640,6 +1641,7 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O, A.space.funcs = O->funs; A.space.structs = O->structs; A.space.vars = O->vars; + A.numSamplers = 0; if (!initialize_global(&A, var)) return 0; } @@ -1773,6 +1775,7 @@ parse_function(slang_parse_ctx * C, slang_output_ctx * O, int definition, A.program = O->program; A.vartable = O->vartable; A.log = C->L; + A.numSamplers = 0; _slang_codegen_function(&A, *parsed_func_ret); } @@ -2152,6 +2155,9 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader) shader->Programs[0]->Parameters = _mesa_new_parameter_list(); shader->Programs[0]->Varying = _mesa_new_parameter_list(); shader->Programs[0]->Attributes = _mesa_new_parameter_list(); +#if 0 + shader->Programs[0]->Samplers = _mesa_new_parameter_list(); +#endif } slang_info_log_construct(&info_log); diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c index fe13f2865cd..2b08e7020f0 100644 --- a/src/mesa/shader/slang/slang_emit.c +++ b/src/mesa/shader/slang/slang_emit.c @@ -906,11 +906,15 @@ emit_tex(slang_emit_info *emitInfo, slang_ir_node *n) assert(n->Children[0]->Store->Size >= TEXTURE_1D_INDEX); assert(n->Children[0]->Store->Size <= TEXTURE_RECT_INDEX); - inst->Sampler = n->Children[0]->Store->Index; /* i.e. uniform's index */ inst->TexSrcTarget = n->Children[0]->Store->Size; +#if 0 inst->TexSrcUnit = 27; /* Dummy value; the TexSrcUnit will be computed at * link time, using the sampler uniform's value. */ + inst->Sampler = n->Children[0]->Store->Index; /* i.e. uniform's index */ +#else + inst->TexSrcUnit = n->Children[0]->Store->Index; /* i.e. uniform's index */ +#endif return inst; } diff --git a/src/mesa/shader/slang/slang_link.c b/src/mesa/shader/slang/slang_link.c index eaa29ba094e..32f71685537 100644 --- a/src/mesa/shader/slang/slang_link.c +++ b/src/mesa/shader/slang/slang_link.c @@ -144,10 +144,14 @@ is_uniform(GLuint file) } +static GLuint shProg_NumSamplers = 0; /** XXX temporary */ + + static GLboolean link_uniform_vars(struct gl_shader_program *shProg, struct gl_program *prog) { GLuint *map, i; + GLuint samplerMap[MAX_SAMPLERS]; #if 0 printf("================ pre link uniforms ===============\n"); @@ -168,10 +172,13 @@ link_uniform_vars(struct gl_shader_program *shProg, struct gl_program *prog) /* sanity check */ assert(is_uniform(p->Type)); + /* See if this uniform is already in the linked program's list */ if (p->Name) { + /* this is a named uniform */ j = _mesa_lookup_parameter_index(shProg->Uniforms, -1, p->Name); } else { + /* this is an unnamed constant */ /*GLuint swizzle;*/ ASSERT(p->Type == PROGRAM_CONSTANT); if (_mesa_lookup_parameter_constant(shProg->Uniforms, pVals, @@ -184,7 +191,8 @@ link_uniform_vars(struct gl_shader_program *shProg, struct gl_program *prog) } if (j >= 0) { - /* already in list, check size XXX check this */ + /* already in linked program's list */ + /* check size XXX check this */ #if 0 assert(p->Size == shProg->Uniforms->Parameters[j].Size); #endif @@ -205,7 +213,15 @@ link_uniform_vars(struct gl_shader_program *shProg, struct gl_program *prog) j = _mesa_add_uniform(shProg->Uniforms, p->Name, p->Size, p->DataType); break; case PROGRAM_SAMPLER: - j = _mesa_add_sampler(shProg->Uniforms, p->Name, p->DataType); + { + GLuint sampNum = shProg_NumSamplers++; + GLuint oldSampNum; + j = _mesa_add_sampler(shProg->Uniforms, p->Name, + p->DataType, sampNum); + oldSampNum = (GLuint) prog->Parameters->ParameterValues[i][0]; + assert(oldSampNum < MAX_SAMPLERS); + samplerMap[oldSampNum] = sampNum; + } break; default: _mesa_problem(NULL, "bad parameter type in link_uniform_vars()"); @@ -243,6 +259,7 @@ link_uniform_vars(struct gl_shader_program *shProg, struct gl_program *prog) /* OK, now scan the program/shader instructions looking for uniform vars, * replacing the old index with the new index. */ + prog->SamplersUsed = 0x0; for (i = 0; i < prog->NumInstructions; i++) { struct prog_instruction *inst = prog->Instructions + i; GLuint j; @@ -257,14 +274,15 @@ link_uniform_vars(struct gl_shader_program *shProg, struct gl_program *prog) } } - if (inst->Opcode == OPCODE_TEX || - inst->Opcode == OPCODE_TXB || - inst->Opcode == OPCODE_TXP) { + if (_mesa_is_tex_instruction(inst->Opcode)) { /* printf("====== remap sampler from %d to %d\n", inst->Sampler, map[ inst->Sampler ]); */ - inst->Sampler = map[ inst->Sampler ]; + /* here, texUnit is really samplerUnit */ + inst->TexSrcUnit = samplerMap[inst->TexSrcUnit]; + prog->SamplerTargets[inst->TexSrcUnit] = inst->TexSrcTarget; + prog->SamplersUsed |= (1 << inst->TexSrcUnit); } } @@ -404,36 +422,6 @@ _slang_remap_attribute(struct gl_program *prog, GLuint oldAttrib, GLuint newAttr -/** - * Scan program for texture instructions, lookup sampler/uniform's value - * to determine which texture unit to use. - * Also, update the program's TexturesUsed[] array. - */ -void -_slang_resolve_samplers(struct gl_shader_program *shProg, - struct gl_program *prog) -{ - GLuint i; - - for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++) - prog->TexturesUsed[i] = 0; - - for (i = 0; i < prog->NumInstructions; i++) { - struct prog_instruction *inst = prog->Instructions + i; - if (inst->Opcode == OPCODE_TEX || - inst->Opcode == OPCODE_TXB || - inst->Opcode == OPCODE_TXP) { - GLint sampleUnit = (GLint) shProg->Uniforms->ParameterValues[inst->Sampler][0]; - assert(sampleUnit < MAX_TEXTURE_IMAGE_UNITS); - inst->TexSrcUnit = sampleUnit; - - prog->TexturesUsed[inst->TexSrcUnit] |= (1 << inst->TexSrcTarget); - } - } -} - - - /** cast wrapper */ static struct gl_vertex_program * vertex_program(struct gl_program *prog) @@ -490,6 +478,8 @@ _slang_link(GLcontext *ctx, const struct gl_fragment_program *fragProg; GLuint i; + shProg_NumSamplers = 0; /** XXX temporary */ + _mesa_clear_shader_program_data(ctx, shProg); shProg->Uniforms = _mesa_new_parameter_list(); @@ -550,13 +540,6 @@ _slang_link(GLcontext *ctx, } if (shProg->VertexProgram) { - _slang_resolve_samplers(shProg, &shProg->VertexProgram->Base); - } - if (shProg->FragmentProgram) { - _slang_resolve_samplers(shProg, &shProg->FragmentProgram->Base); - } - - if (shProg->VertexProgram) { if (!_slang_resolve_attributes(shProg, &shProg->VertexProgram->Base)) { /*goto cleanup;*/ _mesa_problem(ctx, "_slang_resolve_attributes() failed"); @@ -601,7 +584,7 @@ _slang_link(GLcontext *ctx, _mesa_print_program(&fragProg->Base); _mesa_print_program_parameters(ctx, &fragProg->Base); #endif -#if 0 +#if 01 printf("************** linked fragment prog\n"); _mesa_print_program(&shProg->FragmentProgram->Base); _mesa_print_program_parameters(ctx, &shProg->FragmentProgram->Base); diff --git a/src/mesa/shader/slang/slang_link.h b/src/mesa/shader/slang/slang_link.h index 606b9e46b16..8ef8a6b4b3e 100644 --- a/src/mesa/shader/slang/slang_link.h +++ b/src/mesa/shader/slang/slang_link.h @@ -33,10 +33,6 @@ _slang_link(GLcontext *ctx, GLhandleARB h, struct gl_shader_program *shProg); extern void -_slang_resolve_samplers(struct gl_shader_program *shProg, - struct gl_program *prog); - -extern void _slang_remap_attribute(struct gl_program *prog, GLuint oldAttrib, GLuint newAttrib); diff --git a/src/mesa/shader/slang/slang_typeinfo.h b/src/mesa/shader/slang/slang_typeinfo.h index 587331e8b1e..ad5aa3e195e 100644 --- a/src/mesa/shader/slang/slang_typeinfo.h +++ b/src/mesa/shader/slang/slang_typeinfo.h @@ -65,6 +65,7 @@ typedef struct slang_assemble_ctx_ struct slang_label_ *curFuncEndLabel; struct slang_ir_node_ *CurLoop; struct slang_function_ *CurFunction; + GLuint numSamplers; } slang_assemble_ctx; |