From 08b4d29a0a29badc15129c9bc7ee8352bc75278d Mon Sep 17 00:00:00 2001
From: vbuzinov <vbuzinov@nvidia.com>
Date: Wed, 1 Apr 2015 06:29:49 -0700
Subject: GrGLInterface: Add support for NV_framebuffer_mixed_samples

Import glCoverageModulation if NV_framebuffer_mixed samples
is available

BUG=skia:3177

Review URL: https://codereview.chromium.org/993363002
---
 src/gpu/gl/GrGLCaps.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/gpu/gl/GrGLCaps.cpp')

diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index c9009b9053..fe52a540c6 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -54,6 +54,7 @@ void GrGLCaps::reset() {
     fFBFetchNeedsCustomOutput = false;
     fFBFetchColorName = NULL;
     fFBFetchExtensionString = NULL;
+    fFBMixedSamplesSupport = false;
 
     fReadPixelsSupportedCache.reset();
 }
@@ -99,6 +100,7 @@ GrGLCaps& GrGLCaps::operator= (const GrGLCaps& caps) {
     fFBFetchNeedsCustomOutput = caps.fFBFetchNeedsCustomOutput;
     fFBFetchColorName = caps.fFBFetchColorName;
     fFBFetchExtensionString = caps.fFBFetchExtensionString;
+    fFBMixedSamplesSupport = caps.fFBMixedSamplesSupport;
 
     return *this;
 }
@@ -371,6 +373,8 @@ bool GrGLCaps::init(const GrGLContextInfo& ctxInfo, const GrGLInterface* gli) {
         fNvprSupport = kNone_NvprSupport;
     }
 
+    fFBMixedSamplesSupport = ctxInfo.hasExtension("GL_NV_framebuffer_mixed_samples");
+
     fGpuTracingSupport = ctxInfo.hasExtension("GL_EXT_debug_marker");
 
     // For now these two are equivalent but we could have dst read in shader via some other method
-- 
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