Implement support for mixed sampled render targets

src/gpu/gl/GrGLRenderTarget.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLRenderTarget.h"
 
 #include "GrGLGpu.h"
 
 void GrGLFBO::release(const GrGLInterface* gl) {
     SkASSERT(gl);
     if (this->isValid()) {
         GR_GL_CALL(gl, DeleteFramebuffers(1, &fID));
         fIsValid = false;
     }
 }
 
 void GrGLFBO::abandon() { fIsValid = false; }
 
 //////////////////////////////////////////////////////////////////////////////
 
 #define GLGPU static_cast<GrGLGpu*>(this->getGpu())
 #define GL_CALL(X) GR_GL_CALL(GLGPU->glInterface(), X)
 
 // 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();
 }
 
 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);
 }
 
 void GrGLRenderTarget::init(const GrSurfaceDesc& desc, const IDDesc& idDesc) {
     fRenderFBO.reset(SkRef(idDesc.fRenderFBO.get()));
     fTextureFBO.reset(SkSafeRef(idDesc.fTextureFBO.get()));
     SkASSERT(fRenderFBO->isValid());
     SkASSERT(!fTextureFBO || fTextureFBO->isValid());
     fMSColorRenderbufferID  = idDesc.fMSColorRenderbufferID;
     fIsWrapped              = kWrapped_LifeCycle == idDesc.fLifeCycle;
@@ skipping 53 matching lines @@
         fRenderFBO->abandon();
         fRenderFBO.reset(NULL);
     }
     if (fTextureFBO) {
         fTextureFBO->abandon();
         fTextureFBO.reset(NULL);
     }
     fMSColorRenderbufferID  = 0;
     INHERITED::onAbandon();
 }