Split drawing functionality out of GrContext and into new GrDrawContext

src/gpu/GrRenderTarget.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 "GrRenderTarget.h"
 
 #include "GrContext.h"
+#include "GrDrawContext.h"
 #include "GrGpu.h"
 #include "GrRenderTargetPriv.h"
 #include "GrStencilAttachment.h"
 
 void GrRenderTarget::discard() {
     // go through context so that all necessary flushing occurs
     GrContext* context = this->getContext();
-    if (NULL == context) {
+    GrDrawContext* drawContext = context ? context->drawContext() : NULL;
+    if (!drawContext) {
         return;
     }
-    context->discardRenderTarget(this);
+
+    drawContext->discard(this);
 }
 
 void GrRenderTarget::flagAsNeedingResolve(const SkIRect* rect) {
     if (kCanResolve_ResolveType == getResolveType()) {
         if (rect) {
             fResolveRect.join(*rect);
             if (!fResolveRect.intersect(0, 0, this->width(), this->height())) {
                 fResolveRect.setEmpty();
             }
         } else {
@@ skipping 33 matching lines @@
 
 GrStencilAttachment* GrRenderTargetPriv::attachStencilAttachment() const {
     if (fRenderTarget->fStencilAttachment) {
         return fRenderTarget->fStencilAttachment;
     }
     if (!fRenderTarget->wasDestroyed() && fRenderTarget->canAttemptStencilAttachment()) {
         fRenderTarget->getGpu()->attachStencilAttachmentToRenderTarget(fRenderTarget);
     }
     return fRenderTarget->fStencilAttachment;
 }