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mesa: only emit _NEW_MULTISAMPLE when coverage parameters change
author
Samuel Pitoiset
<samuel.pitoiset@gmail.com>
Fri, 2 Jun 2017 15:52:47 +0000
(17:52 +0200)
committer
Samuel Pitoiset
<samuel.pitoiset@gmail.com>
Tue, 6 Jun 2017 09:47:16 +0000
(11:47 +0200)
We usually check that given parameters are different before
updating the state.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
src/mesa/main/multisample.c
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diff --git
a/src/mesa/main/multisample.c
b/src/mesa/main/multisample.c
index
5453e38
..
f0e7a61
100644
(file)
--- a/
src/mesa/main/multisample.c
+++ b/
src/mesa/main/multisample.c
@@
-41,11
+41,15
@@
_mesa_SampleCoverage(GLclampf value, GLboolean invert)
{
GET_CURRENT_CONTEXT(ctx);
- FLUSH_VERTICES(ctx, 0);
+ value = CLAMP(value, 0.0f, 1.0f);
+
+ if (ctx->Multisample.SampleCoverageInvert == invert &&
+ ctx->Multisample.SampleCoverageValue == value)
+ return;
- ctx->Multisample.SampleCoverageValue = CLAMP(value, 0.0f, 1.0f);
+ FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+ ctx->Multisample.SampleCoverageValue = value;
ctx->Multisample.SampleCoverageInvert = invert;
- ctx->NewState |= _NEW_MULTISAMPLE;
}