From: Dave Airlie <airl...@redhat.com>
this fixes the fogcoord related piglit tests, like I fixed them in softpipe.
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
src/gallium/auxiliary/draw/draw_llvm.c | 21 +++++++++++++++++++--
1 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c
b/src/gallium/auxiliary/draw/draw_llvm.c
index e71c802..221aa17 100644
--- a/src/gallium/auxiliary/draw/draw_llvm.c
+++ b/src/gallium/auxiliary/draw/draw_llvm.c
@@ -475,6 +475,8 @@ generate_vs(struct draw_llvm *llvm,
struct lp_type vs_type;
LLVMValueRef consts_ptr = draw_jit_context_vs_constants(llvm->gallivm,
context_ptr);
struct lp_build_sampler_soa *sampler = 0;
+ unsigned attrib, chan;
+ struct lp_build_context bld;
memset(&vs_type, 0, sizeof vs_type);
vs_type.floating = TRUE; /* floating point values */
@@ -504,11 +506,20 @@ generate_vs(struct draw_llvm *llvm,
outputs,
sampler,
&llvm->draw->vs.vertex_shader->info);
+ {
+ struct tgsi_shader_info* info = &llvm->draw->vs.vertex_shader->info;
+ lp_build_context_init(&bld, llvm->gallivm, vs_type);
+ for (attrib = 0; attrib < info->num_outputs; ++attrib) {
+ if (info->output_semantic_name[attrib] == TGSI_SEMANTIC_FOG) {
+ LLVMBuildStore(builder, bld.zero, outputs[attrib][1]);
+ LLVMBuildStore(builder, bld.zero, outputs[attrib][2]);
+ LLVMBuildStore(builder, bld.one, outputs[attrib][3]);
+ }
+ }
+ }
if (clamp_vertex_color) {
LLVMValueRef out;
- unsigned chan, attrib;
- struct lp_build_context bld;
struct tgsi_shader_info* info = &llvm->draw->vs.vertex_shader->info;
lp_build_context_init(&bld, llvm->gallivm, vs_type);
@@ -522,6 +533,12 @@ generate_vs(struct draw_llvm *llvm,
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;
}
}
}
--
1.7.7.6
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