From ade508312c701ce89d3c2cd717994dbbabb4f207 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 14 May 2008 16:09:46 -0600 Subject: Updated GLSL uniform/sampler handling from gallium-0.1 branch Previously, the shader linker combined the uniforms used by the vertex and fragment shaders into a combined set of uniforms. This made the implementation of glUniform*() simple, but was rather inefficient otherwise. Now each shader gets its own set of uniforms (no more modelview matrix showing up in the fragment shader uniforms, for example). cherry-picked by hand from gallium-0.1 branch --- src/mesa/shader/slang/slang_compile.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'src/mesa/shader/slang/slang_compile.c') diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c index 2be89a5ce05..1449888f9f8 100644 --- a/src/mesa/shader/slang/slang_compile.c +++ b/src/mesa/shader/slang/slang_compile.c @@ -31,6 +31,8 @@ #include "main/imports.h" #include "main/context.h" #include "shader/program.h" +#include "shader/programopt.h" +#include "shader/prog_print.h" #include "shader/prog_parameter.h" #include "shader/grammar/grammar_mesa.h" #include "slang_codegen.h" @@ -1618,6 +1620,7 @@ 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 +1643,7 @@ 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 +1777,7 @@ 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); } @@ -2180,6 +2185,19 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader) _slang_delete_mempool((slang_mempool *) ctx->Shader.MemPool); ctx->Shader.MemPool = NULL; + if (shader->Type == GL_VERTEX_SHADER) { + /* remove any reads of varying (output) registers */ +#if 0 + printf("Pre-remove output reads:\n"); + _mesa_print_program(shader->Programs[0]); +#endif + _mesa_remove_varying_reads(shader->Programs[0]); +#if 0 + printf("Post-remove output reads:\n"); + _mesa_print_program(shader->Programs[0]); +#endif + } + return success; } -- cgit v1.2.3