Seems reasonable:
Reviewed-by: Timothy Arceri <tarc...@itsqueeze.com>
On 23/08/17 12:19, Kenneth Graunke wrote:
This may reduce some recompiles.
---
src/mesa/drivers/dri/i965/brw_wm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_wm.c
b/src/mesa/drivers/dri/i965/brw_wm.c
index c9c45045902..e1555d60c56 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -531,7 +531,9 @@ brw_wm_populate_key(struct brw_context *brw, struct
brw_wm_prog_key *key)
key->stats_wm = brw->stats_wm;
/* _NEW_LIGHT */
- key->flat_shade = (ctx->Light.ShadeModel == GL_FLAT);
+ key->flat_shade =
+ (prog->info.inputs_read & (VARYING_BIT_COL0 | VARYING_BIT_COL1)) &&
+ (ctx->Light.ShadeModel == GL_FLAT);
/* _NEW_FRAG_CLAMP | _NEW_BUFFERS */
key->clamp_fragment_color = ctx->Color._ClampFragmentColor;
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