diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_link.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_link.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/mesa/shader/slang/slang_link.c b/src/mesa/shader/slang/slang_link.c index 99f2cbdcc05..f98434892b6 100644 --- a/src/mesa/shader/slang/slang_link.c +++ b/src/mesa/shader/slang/slang_link.c @@ -295,6 +295,9 @@ link_uniform_vars(GLcontext *ctx, inst->TexSrcUnit = newSampNum; prog->SamplerTargets[newSampNum] = inst->TexSrcTarget; prog->SamplersUsed |= (1 << newSampNum); + if (inst->TexShadow) { + prog->ShadowSamplers |= (1 << newSampNum); + } } } } @@ -495,8 +498,33 @@ _slang_update_inputs_outputs(struct gl_program *prog) maxAddrReg = MAX2(maxAddrReg, (GLuint) (inst->SrcReg[j].Index + 1)); } } + if (inst->DstReg.File == PROGRAM_OUTPUT) { prog->OutputsWritten |= 1 << inst->DstReg.Index; + if (inst->DstReg.RelAddr) { + /* If the output attribute is indexed with relative addressing + * we know that it must be a varying or texcoord such as + * gl_TexCoord[i] = v; In this case, mark all the texcoords + * or varying outputs as being written. It's not an error if + * a vertex shader writes varying vars that aren't used by the + * fragment shader. But it is an error for a fragment shader + * to use varyings that are not written by the vertex shader. + */ + if (prog->Target == GL_VERTEX_PROGRAM_ARB) { + if (inst->DstReg.Index == VERT_RESULT_TEX0) { + /* mark all texcoord outputs as written */ + const GLbitfield mask = + ((1 << MAX_TEXTURE_COORD_UNITS) - 1) << VERT_RESULT_TEX0; + prog->OutputsWritten |= mask; + } + else if (inst->DstReg.Index == VERT_RESULT_VAR0) { + /* mark all generic varying outputs as written */ + const GLbitfield mask = + ((1 << MAX_VARYING) - 1) << VERT_RESULT_VAR0; + prog->OutputsWritten |= mask; + } + } + } } else if (inst->DstReg.File == PROGRAM_ADDRESS) { maxAddrReg = MAX2(maxAddrReg, inst->DstReg.Index + 1); @@ -658,7 +686,7 @@ _slang_link(GLcontext *ctx, /* check that gl_FragColor and gl_FragData are not both written to */ if (shProg->FragmentProgram) { GLbitfield outputsWritten = shProg->FragmentProgram->Base.OutputsWritten; - if ((outputsWritten & ((1 << FRAG_RESULT_COLR))) && + if ((outputsWritten & ((1 << FRAG_RESULT_COLOR))) && (outputsWritten >= (1 << FRAG_RESULT_DATA0))) { link_error(shProg, "Fragment program cannot write both gl_FragColor" " and gl_FragData[].\n"); |