- Incorporate flatshade flag into the shader generation
- Use provoking vertex (vc) in shader when flat shading.
---
src/gallium/drivers/swr/swr_shader.cpp | 4 ++++
src/gallium/drivers/swr/swr_shader.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/src/gallium/drivers/swr/swr_shader.cpp
b/src/gallium/drivers/swr/swr_shader.cpp
index 90f0f22..83e3216 100644
--- a/src/gallium/drivers/swr/swr_shader.cpp
+++ b/src/gallium/drivers/swr/swr_shader.cpp
@@ -102,6 +102,7 @@ swr_generate_fs_key(struct swr_jit_fs_key &key,
key.nr_cbufs = ctx->framebuffer.nr_cbufs;
key.light_twoside = ctx->rasterizer->light_twoside;
+ key.flatshade = ctx->rasterizer->flatshade;
memcpy(&key.vs_output_semantic_name,
&ctx->vs->info.base.output_semantic_name,
sizeof(key.vs_output_semantic_name));
@@ -491,6 +492,9 @@ BuilderSWR::CompileFS(struct swr_context *ctx,
swr_jit_fs_key &key)
if (interpMode == TGSI_INTERPOLATE_CONSTANT) {
inputs[attrib][channel] = wrap(va);
+ } else if ((interpMode == TGSI_INTERPOLATE_COLOR) &&
+ (key.flatshade == true)) {
+ inputs[attrib][channel] = wrap(vc);
} else {
Value *vk = FSUB(FSUB(VIMMED1(1.0f), vi), vj);
diff --git a/src/gallium/drivers/swr/swr_shader.h
b/src/gallium/drivers/swr/swr_shader.h
index 4814b9d..3f79570 100644
--- a/src/gallium/drivers/swr/swr_shader.h
+++ b/src/gallium/drivers/swr/swr_shader.h
@@ -51,6 +51,7 @@ struct swr_jit_sampler_key {
struct swr_jit_fs_key : swr_jit_sampler_key {
unsigned nr_cbufs;
unsigned light_twoside;
+ unsigned flatshade;
ubyte vs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS];
ubyte vs_output_semantic_idx[PIPE_MAX_SHADER_OUTPUTS];
};
--
2.5.0
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