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authorSamuel Pitoiset <[email protected]>2017-06-02 17:52:47 +0200
committerSamuel Pitoiset <[email protected]>2017-06-06 11:47:16 +0200
commit706e31fe5a228bd357a3d8e0495d3085a3953ccf (patch)
tree52ac4a2ea80dabeaa0079b5692218d7037f01caa
parent9cd69022d5603fc21dc583f51cf12ccefaa6272f (diff)
mesa: only emit _NEW_MULTISAMPLE when coverage parameters change
We usually check that given parameters are different before updating the state. Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
-rw-r--r--src/mesa/main/multisample.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/mesa/main/multisample.c b/src/mesa/main/multisample.c
index 5453e38632e..f0e7a611805 100644
--- 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;
}