From 706e31fe5a228bd357a3d8e0495d3085a3953ccf Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Fri, 2 Jun 2017 17:52:47 +0200 Subject: [PATCH] mesa: only emit _NEW_MULTISAMPLE when coverage parameters change MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We usually check that given parameters are different before updating the state. Signed-off-by: Samuel Pitoiset Reviewed-by: Marek Olšák --- src/mesa/main/multisample.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/src/mesa/main/multisample.c b/src/mesa/main/multisample.c index 5453e38..f0e7a61 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; } -- 2.7.4