d3d 9 needs COLOR0 to be 1.0 on all channels when
undefined. 0.0 for the others is fine.
GL behaviour is undefined.
Signed-off-by: Axel Davy <axel.d...@ens.fr>
---
src/gallium/drivers/radeonsi/si_state_shaders.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c
b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 0248958..b788ae0 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -1473,6 +1473,9 @@ static unsigned si_get_ps_input_cntl(struct si_context
*sctx,
* Don't set any other bits.
* (FLAT_SHADE=1 completely changes behavior) */
ps_input_cntl = S_028644_OFFSET(0x20);
+ /* D3D 9 behaviour. GL is undefined */
+ if (name == TGSI_SEMANTIC_COLOR && index == 0)
+ ps_input_cntl |= S_028644_DEFAULT_VAL(3);
}
return ps_input_cntl;
}
--
2.7.3
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