From: Marek Olšák <[email protected]>
---
src/gallium/drivers/radeonsi/si_state_shaders.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c
b/src/gallium/drivers/radeonsi/si_state_shaders.c
index c26acbbc927..c4517fcf538 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -2821,21 +2821,22 @@ static void si_delete_shader_selector(struct
pipe_context *ctx, void *state)
}
static unsigned si_get_ps_input_cntl(struct si_context *sctx,
struct si_shader *vs, unsigned name,
unsigned index, unsigned interpolate)
{
struct tgsi_shader_info *vsinfo = &vs->selector->info;
unsigned j, offset, ps_input_cntl = 0;
if (interpolate == TGSI_INTERPOLATE_CONSTANT ||
- (interpolate == TGSI_INTERPOLATE_COLOR && sctx->flatshade))
+ (interpolate == TGSI_INTERPOLATE_COLOR && sctx->flatshade) ||
+ name == TGSI_SEMANTIC_PRIMID)
ps_input_cntl |= S_028644_FLAT_SHADE(1);
if (name == TGSI_SEMANTIC_PCOORD ||
(name == TGSI_SEMANTIC_TEXCOORD &&
sctx->sprite_coord_enable & (1 << index))) {
ps_input_cntl |= S_028644_PT_SPRITE_TEX(1);
}
for (j = 0; j < vsinfo->num_outputs; j++) {
if (name == vsinfo->output_semantic_name[j] &&
--
2.17.1
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