Defer flushes if kPreferNoIO is specified

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"
@@ skipping 34 matching lines @@
         colorValuesPerPixel += 1;
     } else if (fTexFBOID != 0) {
         // For auto-resolving FBOs, the MSAA buffer is free.
         colorValuesPerPixel = 1;
     }
     SkASSERT(kUnknown_GrPixelConfig != fDesc.fConfig);
     SkASSERT(!GrPixelConfigIsCompressed(fDesc.fConfig));
     size_t colorBytes = GrBytesPerPixel(fDesc.fConfig);
     SkASSERT(colorBytes > 0);
     fGpuMemorySize = colorValuesPerPixel * fDesc.fWidth * fDesc.fHeight * colorBytes;
+
+    SkASSERT(fGpuMemorySize <= WorseCaseSize(desc));
 }
 
 size_t GrGLRenderTarget::onGpuMemorySize() const {
     return fGpuMemorySize;
 }
 
 void GrGLRenderTarget::onRelease() {
     if (kBorrowed_LifeCycle != fRTLifecycle) {
         if (fTexFBOID) {
             GL_CALL(DeleteFramebuffers(1, &fTexFBOID));
@@ skipping 10 matching lines @@
     fMSColorRenderbufferID  = 0;
     INHERITED::onRelease();
 }
 
 void GrGLRenderTarget::onAbandon() {
     fRTFBOID                = 0;
     fTexFBOID               = 0;
     fMSColorRenderbufferID  = 0;
     INHERITED::onAbandon();
 }