diff options
author | Brian <brian@yutani.localnet.net> | 2007-01-31 08:47:12 -0700 |
---|---|---|
committer | Brian <brian@yutani.localnet.net> | 2007-01-31 08:47:12 -0700 |
commit | 9d5853813f90cf03581d5150b4f2d46fd847211b (patch) | |
tree | 65a7c90162d5009a51c0bacb37f5aeda359d158b /src/mesa | |
parent | 716239877823e13a6111b5cff1bf2b446a37a537 (diff) |
allow fragment-only and vertex-only programs
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/shader/slang/slang_link2.c | 111 |
1 files changed, 76 insertions, 35 deletions
diff --git a/src/mesa/shader/slang/slang_link2.c b/src/mesa/shader/slang/slang_link2.c index 9676aa5fa1..017cf6078c 100644 --- a/src/mesa/shader/slang/slang_link2.c +++ b/src/mesa/shader/slang/slang_link2.c @@ -510,8 +510,8 @@ _slang_link2(GLcontext *ctx, GLhandleARB programObj, struct gl_shader_program *shProg) { - struct gl_vertex_program *vertProg; - struct gl_fragment_program *fragProg; + const struct gl_vertex_program *vertProg; + const struct gl_fragment_program *fragProg; GLuint i; _mesa_free_shader_program_data(ctx, shProg); @@ -532,6 +532,7 @@ _slang_link2(GLcontext *ctx, else _mesa_problem(ctx, "unexpected shader target in slang_link2()"); } +#if 00 if (!vertProg || !fragProg) { /* XXX is it legal to have one but not the other?? */ /* XXX record error */ @@ -539,68 +540,108 @@ _slang_link2(GLcontext *ctx, return; } + /* XXX is this test used? */ if (!vertProg->Base.Varying || !fragProg->Base.Varying) { /* temporary */ _mesa_problem(ctx, "vertex/fragment program lacks varying list!"); + abort(); shProg->LinkStatus = GL_FALSE; return; } +#endif /* * Make copies of the vertex/fragment programs now since we'll be * changing src/dst registers after merging the uniforms and varying vars. */ - shProg->VertexProgram - = vertex_program(_mesa_clone_program(ctx, &vertProg->Base)); - shProg->FragmentProgram - = fragment_program(_mesa_clone_program(ctx, &fragProg->Base)); + if (vertProg) { + shProg->VertexProgram + = vertex_program(_mesa_clone_program(ctx, &vertProg->Base)); + } + else { + shProg->VertexProgram = NULL; + } + + if (fragProg) { + shProg->FragmentProgram + = fragment_program(_mesa_clone_program(ctx, &fragProg->Base)); + } + else { + shProg->FragmentProgram = NULL; + } - link_varying_vars(shProg, &shProg->VertexProgram->Base); - link_varying_vars(shProg, &shProg->FragmentProgram->Base); + if (shProg->VertexProgram) + link_varying_vars(shProg, &shProg->VertexProgram->Base); + if (shProg->FragmentProgram) + link_varying_vars(shProg, &shProg->FragmentProgram->Base); - link_uniform_vars(shProg, &shProg->VertexProgram->Base); - link_uniform_vars(shProg, &shProg->FragmentProgram->Base); + if (shProg->VertexProgram) + link_uniform_vars(shProg, &shProg->VertexProgram->Base); + if (shProg->FragmentProgram) + link_uniform_vars(shProg, &shProg->FragmentProgram->Base); /* The vertex and fragment programs share a common set of uniforms now */ - _mesa_free_parameter_list(shProg->VertexProgram->Base.Parameters); - _mesa_free_parameter_list(shProg->FragmentProgram->Base.Parameters); - shProg->VertexProgram->Base.Parameters = shProg->Uniforms; - shProg->FragmentProgram->Base.Parameters = shProg->Uniforms; - - _slang_resolve_branches(&shProg->VertexProgram->Base); - _slang_resolve_branches(&shProg->FragmentProgram->Base); + if (shProg->VertexProgram) { + _mesa_free_parameter_list(shProg->VertexProgram->Base.Parameters); + shProg->VertexProgram->Base.Parameters = shProg->Uniforms; + } + if (shProg->FragmentProgram) { + _mesa_free_parameter_list(shProg->FragmentProgram->Base.Parameters); + shProg->FragmentProgram->Base.Parameters = shProg->Uniforms; + } - _slang_resolve_samplers(shProg, &shProg->VertexProgram->Base); - _slang_resolve_samplers(shProg, &shProg->FragmentProgram->Base); + if (shProg->VertexProgram) { + _slang_resolve_branches(&shProg->VertexProgram->Base); + _slang_resolve_samplers(shProg, &shProg->VertexProgram->Base); + } + if (shProg->FragmentProgram) { + _slang_resolve_branches(&shProg->FragmentProgram->Base); + _slang_resolve_samplers(shProg, &shProg->FragmentProgram->Base); + } - if (!_slang_resolve_attributes(shProg, &shProg->VertexProgram->Base)) { - /*goto cleanup;*/ + if (shProg->VertexProgram) { + if (!_slang_resolve_attributes(shProg, &shProg->VertexProgram->Base)) { + /*goto cleanup;*/ + _mesa_problem(ctx, "_slang_resolve_attributes() failed"); + abort(); /* XXX fix */ + } } - _slang_update_inputs_outputs(&shProg->VertexProgram->Base); - _slang_update_inputs_outputs(&shProg->FragmentProgram->Base); + if (shProg->VertexProgram) + _slang_update_inputs_outputs(&shProg->VertexProgram->Base); + if (shProg->FragmentProgram) + _slang_update_inputs_outputs(&shProg->FragmentProgram->Base); + if (fragProg && shProg->FragmentProgram) { #if 1 - printf("************** original fragment program\n"); - _mesa_print_program(&fragProg->Base); - _mesa_print_program_parameters(ctx, &fragProg->Base); + printf("************** original fragment program\n"); + _mesa_print_program(&fragProg->Base); + _mesa_print_program_parameters(ctx, &fragProg->Base); #endif #if 1 - printf("************** linked fragment prog\n"); - _mesa_print_program(&shProg->FragmentProgram->Base); - _mesa_print_program_parameters(ctx, &shProg->FragmentProgram->Base); + printf("************** linked fragment prog\n"); + _mesa_print_program(&shProg->FragmentProgram->Base); + _mesa_print_program_parameters(ctx, &shProg->FragmentProgram->Base); #endif + } + + if (vertProg && shProg->VertexProgram) { #if 1 - printf("************** original vertex program\n"); - _mesa_print_program(&vertProg->Base); - _mesa_print_program_parameters(ctx, &fragProg->Base); + printf("************** original vertex program\n"); + _mesa_print_program(&vertProg->Base); + _mesa_print_program_parameters(ctx, &fragProg->Base); #endif #if 1 - printf("************** linked vertex prog\n"); - _mesa_print_program(&shProg->VertexProgram->Base); - _mesa_print_program_parameters(ctx, &shProg->VertexProgram->Base); + printf("************** linked vertex prog\n"); + _mesa_print_program(&shProg->VertexProgram->Base); + _mesa_print_program_parameters(ctx, &shProg->VertexProgram->Base); #endif + } +#if 0 shProg->LinkStatus = (shProg->VertexProgram && shProg->FragmentProgram); +#else + shProg->LinkStatus = (shProg->VertexProgram || shProg->FragmentProgram); +#endif } |