Dynamically create stencil buffer when needed.

src/gpu/GrStencilAndCoverPathRenderer.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrStencilAndCoverPathRenderer.h"
 #include "GrContext.h"
 #include "GrDrawTargetCaps.h"
 #include "GrGpu.h"
 #include "GrPath.h"
+#include "GrRenderTarget.h"
+#include "GrRenderTargetPriv.h"
 #include "SkStrokeRec.h"
 
 /*
  * For now paths only natively support winding and even odd fill types
  */
 static GrPathRendering::FillType convert_skpath_filltype(SkPath::FillType fill) {
     switch (fill) {
         default:
             SkFAIL("Incomplete Switch\n");
         case SkPath::kWinding_FillType:
@@ skipping 26 matching lines @@
 }
 
 bool GrStencilAndCoverPathRenderer::canDrawPath(const GrDrawTarget* target,
                                                 const GrPipelineBuilder* pipelineBuilder,
                                                 const SkMatrix& viewMatrix,
                                                 const SkPath& path,
                                                 const SkStrokeRec& stroke,
                                                 bool antiAlias) const {
     return !stroke.isHairlineStyle() &&
            !antiAlias && // doesn't do per-path AA, relies on the target having MSAA
-           pipelineBuilder->getRenderTarget()->getStencilBuffer() &&
            pipelineBuilder->getStencil().isDisabled();
 }
 
 GrPathRenderer::StencilSupport
 GrStencilAndCoverPathRenderer::onGetStencilSupport(const GrDrawTarget*,
                                                    const GrPipelineBuilder*,
                                                    const SkPath&,
                                                    const SkStrokeRec&) const {
     return GrPathRenderer::kStencilOnly_StencilSupport;
 }
@@ skipping 82 matching lines @@
             0xffff);
 
         pipelineBuilder->setStencil(kStencilPass);
         SkAutoTUnref<GrPathProcessor> pp(GrPathProcessor::Create(color, viewMatrix));
         target->drawPath(pipelineBuilder, pp, p, convert_skpath_filltype(path.getFillType()));
     }
 
     pipelineBuilder->stencil()->setDisabled();
     return true;
 }