Add support for creating texture backed images where Skia will delete the texture.

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 157 matching lines @@
         // FBO status.
         this->clearStencil(rt);
         GrStencilAttachment* sb = rt->renderTargetPriv().getStencilAttachment();
         sb->resourcePriv().setUniqueKey(sbKey);
         return true;
     } else {
         return false;
     }
 }
 
-GrTexture* GrGpu::wrapBackendTexture(const GrBackendTextureDesc& desc) {
+GrTexture* GrGpu::wrapBackendTexture(const GrBackendTextureDesc& desc, GrWrapOwnership ownership) {
     this->handleDirtyContext();
-    GrTexture* tex = this->onWrapBackendTexture(desc);
+    GrTexture* tex = this->onWrapBackendTexture(desc, ownership);
     if (NULL == tex) {
         return NULL;
     }
     // TODO: defer this and attach dynamically
     GrRenderTarget* tgt = tex->asRenderTarget();
     if (tgt && !this->attachStencilAttachmentToRenderTarget(tgt)) {
         tex->unref();
         return NULL;
     } else {
         return tex;
     }
 }
 
-GrRenderTarget* GrGpu::wrapBackendRenderTarget(const GrBackendRenderTargetDesc& desc) {
+GrRenderTarget* GrGpu::wrapBackendRenderTarget(const GrBackendRenderTargetDesc& desc,
+                                               GrWrapOwnership ownership) {
     this->handleDirtyContext();
-    return this->onWrapBackendRenderTarget(desc);
+    return this->onWrapBackendRenderTarget(desc, ownership);
 }
 
 GrVertexBuffer* GrGpu::createVertexBuffer(size_t size, bool dynamic) {
     this->handleDirtyContext();
     return this->onCreateVertexBuffer(size, dynamic);
 }
 
 GrIndexBuffer* GrGpu::createIndexBuffer(size_t size, bool dynamic) {
     this->handleDirtyContext();
     return this->onCreateIndexBuffer(size, dynamic);
@@ skipping 88 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 
 void GrGpu::draw(const DrawArgs& args, const GrVertices& vertices) {
     this->handleDirtyContext();
     GrVertices::Iterator iter;
     const GrNonInstancedVertices* verts = iter.init(vertices);
     do {
         this->onDraw(args, *verts);
     } while ((verts = iter.next()));
 }