separate state for msaa renderability

src/gpu/GrGpu.cpp

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGpu.h"
@@ skipping 95 matching lines @@
 #endif
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 GrTexture* GrGpu::createTexture(const GrTextureDesc& desc,
                                 const void* srcData, size_t rowBytes) {
     if (kUnknown_GrPixelConfig == desc.fConfig) {
         return NULL;
     }
+    if ((desc.fFlags & kRenderTarget_GrTextureFlagBit) &&
+        !this->caps()->isConfigRenderable(desc.fConfig, desc.fSampleCnt > 0)) {
+        return NULL;
+    }
 
     this->handleDirtyContext();
     GrTexture* tex = this->onCreateTexture(desc, srcData, rowBytes);
     if (NULL != tex &&
         (kRenderTarget_GrTextureFlagBit & desc.fFlags) &&
         !(kNoStencil_GrTextureFlagBit & desc.fFlags)) {
         SkASSERT(NULL != tex->asRenderTarget());
         // TODO: defer this and attach dynamically
         if (!this->attachStencilBufferToRenderTarget(tex->asRenderTarget())) {
             tex->unref();
@@ skipping 408 matching lines @@
 }
 
 void GrGpu::releaseIndexArray() {
     // if index source was array, we stowed data in the pool
     const GeometrySrcState& geoSrc = this->getGeomSrc();
     SkASSERT(kArray_GeometrySrcType == geoSrc.fIndexSrc);
     size_t bytes = geoSrc.fIndexCount * sizeof(uint16_t);
     fIndexPool->putBack(bytes);
     --fIndexPoolUseCnt;
 }