---
src/gallium/drivers/r600/r600_llvm.c | 2 ++
src/gallium/drivers/r600/r600_shader.c | 1 +
src/gallium/drivers/radeon/radeon_llvm.h | 1 +
3 files changed, 4 insertions(+)
diff --git a/src/gallium/drivers/r600/r600_llvm.c
b/src/gallium/drivers/r600/r600_llvm.c
index 7a41688..59047e7 100644
--- a/src/gallium/drivers/r600/r600_llvm.c
+++ b/src/gallium/drivers/r600/r600_llvm.c
@@ -234,6 +234,8 @@ static void llvm_emit_epilogue(struct lp_build_tgsi_context
* bld_base)
elements[chan] = LLVMBuildLoad(base->gallivm->builder,
ctx->soa.outputs[i][chan], "");
}
+ if (ctx->alpha_to_one && ctx->type == TGSI_PROCESSOR_FRAGMENT
&& ctx->r600_outputs[i].name == TGSI_SEMANTIC_COLOR)
+ elements[3] = lp_build_const_float(base->gallivm, 1.0f);
LLVMValueRef output = lp_build_gather_values(base->gallivm,
elements, 4);
if (ctx->type == TGSI_PROCESSOR_VERTEX) {
diff --git a/src/gallium/drivers/r600/r600_shader.c
b/src/gallium/drivers/r600/r600_shader.c
index 59a7f92..8642463 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -1428,6 +1428,7 @@ static int r600_shader_from_tgsi(struct r600_screen
*rscreen,
radeon_llvm_ctx.fs_color_all = shader->fs_write_all &&
(rscreen->chip_class >= EVERGREEN);
radeon_llvm_ctx.stream_outputs = &so;
radeon_llvm_ctx.clip_vertex = ctx.cv_output;
+ radeon_llvm_ctx.alpha_to_one = key.alpha_to_one;
mod = r600_tgsi_llvm(&radeon_llvm_ctx, tokens);
if (debug_get_bool_option("R600_DUMP_SHADERS", FALSE)) {
dump = 1;
diff --git a/src/gallium/drivers/radeon/radeon_llvm.h
b/src/gallium/drivers/radeon/radeon_llvm.h
index 21360e2..bfeacb5 100644
--- a/src/gallium/drivers/radeon/radeon_llvm.h
+++ b/src/gallium/drivers/radeon/radeon_llvm.h
@@ -64,6 +64,7 @@ struct radeon_llvm_context {
struct pipe_stream_output_info *stream_outputs;
unsigned color_buffer_count;
unsigned fs_color_all;
+ unsigned alpha_to_one;
/*=== Front end configuration ===*/
--
1.8.1.2
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