Index: src/gpu/gl/GrGLCaps.cpp |
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp |
index abf2cb7d567a330597b500b753fc388c10499bc1..69d749b2e1ab49215f2abe75642dead2e0228b12 100644 |
--- a/src/gpu/gl/GrGLCaps.cpp |
+++ b/src/gpu/gl/GrGLCaps.cpp |
@@ -682,9 +682,12 @@ void GrGLCaps::initGLSL(const GrGLContextInfo& ctxInfo) { |
} |
} |
- if (glslCaps->fSampleVariablesSupport) { |
+ if (glslCaps->fSampleVariablesSupport && |
+ ctxInfo.hasExtension("GL_NV_sample_mask_override_coverage")) { |
+ // Pre-361 NVIDIA has a bug with NV_sample_mask_override_coverage. |
glslCaps->fSampleMaskOverrideCoverageSupport = |
- ctxInfo.hasExtension("GL_NV_sample_mask_override_coverage"); |
+ kNVIDIA_GrGLDriver != ctxInfo.driver() || |
+ ctxInfo.driverVersion() >= GR_GL_DRIVER_VER(361,00); |
} |
// Adreno GPUs have a tendency to drop tiles when there is a divide-by-zero in a shader |