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llvmpipe: fix fogcoord writing (v2)

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this fixes the fogcoord related piglit tests, like I fixed them in softpipe.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2012-02-04 17:55:56 +00:00
parent 66bf25f1a2
commit c89b471f8c
1 changed files with 12 additions and 4 deletions
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src/gallium/auxiliary/draw/draw_llvm.c
+12 -4
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@@ -510,7 +510,7 @@ generate_vs(struct draw_llvm *llvm,
sampler,
&llvm->draw->vs.vertex_shader->info);
if (clamp_vertex_color) {
{
LLVMValueRef out;
unsigned chan, attrib;
struct lp_build_context bld;
@@ -523,9 +523,17 @@ generate_vs(struct draw_llvm *llvm,
switch (info->output_semantic_name[attrib]) {
case TGSI_SEMANTIC_COLOR:
case TGSI_SEMANTIC_BCOLOR:
out = LLVMBuildLoad(builder, outputs[attrib][chan], "");
out = lp_build_clamp(&bld, out, bld.zero, bld.one);
LLVMBuildStore(builder, out, outputs[attrib][chan]);
if (clamp_vertex_color) {
out = LLVMBuildLoad(builder, outputs[attrib][chan], "");
out = lp_build_clamp(&bld, out, bld.zero, bld.one);
LLVMBuildStore(builder, out, outputs[attrib][chan]);
}
break;
case TGSI_SEMANTIC_FOG:
if (chan == 1 || chan == 2)
LLVMBuildStore(builder, bld.zero, outputs[attrib][chan]);
else if (chan == 3)
LLVMBuildStore(builder, bld.one, outputs[attrib][chan]);
break;
}
}