Dynamically create stencil buffer when needed.

src/gpu/GrTexture.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 "GrContext.h"
 #include "GrDrawTargetCaps.h"
 #include "GrGpu.h"
 #include "GrResourceKey.h"
+#include "GrRenderTarget.h"
+#include "GrRenderTargetPriv.h"
 #include "GrTexture.h"
 #include "GrTexturePriv.h"
 
 void GrTexture::dirtyMipMaps(bool mipMapsDirty) {
     if (mipMapsDirty) {
         if (kValid_MipMapsStatus == fMipMapsStatus) {
            fMipMapsStatus = kAllocated_MipMapsStatus;
         }
     } else {
         const bool sizeChanged = kNotAllocated_MipMapsStatus == fMipMapsStatus;
@@ skipping 19 matching lines @@
         // we'd expect because we never change fDesc.fWidth/fHeight.
         textureSize *= 2;
     }
     return textureSize;
 }
 
 void GrTexture::validateDesc() const {
     if (this->asRenderTarget()) {
         // This texture has a render target
         SkASSERT(0 != (fDesc.fFlags & kRenderTarget_GrSurfaceFlag));
-
-        if (this->asRenderTarget()->getStencilBuffer()) {
-            SkASSERT(0 != (fDesc.fFlags & kNoStencil_GrSurfaceFlag));
-        } else {
-            SkASSERT(0 == (fDesc.fFlags & kNoStencil_GrSurfaceFlag));
-        }
-
         SkASSERT(fDesc.fSampleCnt == this->asRenderTarget()->numSamples());
     } else {
         SkASSERT(0 == (fDesc.fFlags & kRenderTarget_GrSurfaceFlag));
-        SkASSERT(0 == (fDesc.fFlags & kNoStencil_GrSurfaceFlag));
         SkASSERT(0 == fDesc.fSampleCnt);
     }
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 namespace {
 
 // FIXME:  This should be refactored with the code in gl/GrGLGpu.cpp.
 GrSurfaceOrigin resolve_origin(const GrSurfaceDesc& desc) {
@@ skipping 35 matching lines @@
     SkASSERT(desc.fWidth <= SK_MaxU16);
     SkASSERT(desc.fHeight <= SK_MaxU16);
     SkASSERT(static_cast<int>(desc.fConfig) < (1 << 6));
     SkASSERT(desc.fSampleCnt < (1 << 8));
     SkASSERT(flags < (1 << 10));
     SkASSERT(static_cast<int>(origin) < (1 << 8));
 
     builder[0] = desc.fWidth | (desc.fHeight << 16);
     builder[1] = desc.fConfig | (desc.fSampleCnt << 6) | (flags << 14) | (origin << 24);
 }