Implement support for mixed sampled render targets

src/gpu/gl/GrGLRenderTarget.cpp

Index: src/gpu/gl/GrGLRenderTarget.cpp
diff --git a/src/gpu/gl/GrGLRenderTarget.cpp b/src/gpu/gl/GrGLRenderTarget.cpp
index 8b9bb98b6b5ac8d89c020a4198c79da1901fe1ed..32817bdea7a2ff6b7db8841cc0a0addb2706c056 100644
--- a/src/gpu/gl/GrGLRenderTarget.cpp
+++ b/src/gpu/gl/GrGLRenderTarget.cpp
@@ -27,7 +27,7 @@ void GrGLFBO::abandon() { fIsValid = false; }
 // Because this class is virtually derived from GrSurface we must explicitly call its constructor.
 GrGLRenderTarget::GrGLRenderTarget(GrGLGpu* gpu, const GrSurfaceDesc& desc, const IDDesc& idDesc)
     : GrSurface(gpu, idDesc.fLifeCycle, desc)
-    , INHERITED(gpu, idDesc.fLifeCycle, desc) {
+    , INHERITED(gpu, idDesc.fLifeCycle, desc, idDesc.fSampleConfig) {
     this->init(desc, idDesc);
     this->registerWithCache();
 }
@@ -35,7 +35,7 @@ GrGLRenderTarget::GrGLRenderTarget(GrGLGpu* gpu, const GrSurfaceDesc& desc, cons
 GrGLRenderTarget::GrGLRenderTarget(GrGLGpu* gpu, const GrSurfaceDesc& desc, const IDDesc& idDesc,
                                    Derived)
     : GrSurface(gpu, idDesc.fLifeCycle, desc)
-    , INHERITED(gpu, idDesc.fLifeCycle, desc) {
+    , INHERITED(gpu, idDesc.fLifeCycle, desc, idDesc.fSampleConfig) {
     this->init(desc, idDesc);
 }