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i965: Only set key->flat_shade if COL0/COL1 are written. 

This may reduce some recompiles.

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Kenneth Graunke 2017-08-22 14:23:17 -07:00
parent 348929015b
commit eaf5b8722b
1 changed files with 3 additions and 1 deletions
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4
src/mesa/drivers/dri/i965/brw_wm.c
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@ -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;