remove redundant GrContext parameter to NewRenderTargetDirect

src/image/SkSurface_Gpu.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 "SkSurface_Base.h"
 #include "SkImagePriv.h"
 #include "SkCanvas.h"
 #include "SkGpuDevice.h"
 
 class SkSurface_Gpu : public SkSurface_Base {
 public:
     SK_DECLARE_INST_COUNT(SkSurface_Gpu)
 
     SkSurface_Gpu(GrContext*, const SkImageInfo&, int sampleCount);
-    SkSurface_Gpu(GrContext*, GrRenderTarget*);
+    SkSurface_Gpu(GrRenderTarget*);
     virtual ~SkSurface_Gpu();
 
     virtual SkCanvas* onNewCanvas() SK_OVERRIDE;
     virtual SkSurface* onNewSurface(const SkImageInfo&) SK_OVERRIDE;
     virtual SkImage* onNewImageSnapshot() SK_OVERRIDE;
     virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y,
                         const SkPaint*) SK_OVERRIDE;
     virtual void onCopyOnWrite(ContentChangeMode) SK_OVERRIDE;
 
 private:
     SkGpuDevice* fDevice;
 
     typedef SkSurface_Base INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SkSurface_Gpu::SkSurface_Gpu(GrContext* ctx, const SkImageInfo& info,
                              int sampleCount)
         : INHERITED(info.fWidth, info.fHeight) {
     SkBitmap::Config config = SkImageInfoToBitmapConfig(info);
 
     fDevice = SkNEW_ARGS(SkGpuDevice, (ctx, config, info.fWidth, info.fHeight, sampleCount));
 
     if (!SkAlphaTypeIsOpaque(info.fAlphaType)) {
         fDevice->clear(0x0);
     }
 }
 
-SkSurface_Gpu::SkSurface_Gpu(GrContext* ctx, GrRenderTarget* renderTarget)
+SkSurface_Gpu::SkSurface_Gpu(GrRenderTarget* renderTarget)
         : INHERITED(renderTarget->width(), renderTarget->height()) {
-    fDevice = SkNEW_ARGS(SkGpuDevice, (ctx, renderTarget));
+    fDevice = SkNEW_ARGS(SkGpuDevice, (renderTarget->getContext(), renderTarget));
 
     if (kRGB_565_GrPixelConfig != renderTarget->config()) {
         fDevice->clear(0x0);
     }
 }
 
 SkSurface_Gpu::~SkSurface_Gpu() {
     SkSafeUnref(fDevice);
 }
 
@@ skipping 34 matching lines @@
         }
         SkASSERT(NULL != this->getCachedCanvas());
         SkASSERT(this->getCachedCanvas()->getDevice() == fDevice);
         this->getCachedCanvas()->setDevice(newDevice);
         SkRefCnt_SafeAssign(fDevice, newDevice);
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
+SkSurface* SkSurface::NewRenderTargetDirect(GrRenderTarget* target) {
+    if (NULL == target) {
+        return NULL;
+    }
+    return SkNEW_ARGS(SkSurface_Gpu, (target));
+}
+
+#ifdef SK_SUPPORT_LEGACY_NEWRENDERTARGETDIRECT
 SkSurface* SkSurface::NewRenderTargetDirect(GrContext* ctx,
                                             GrRenderTarget* target) {
-    if (NULL == ctx || NULL == target) {
-        return NULL;
-    }
-
-    return SkNEW_ARGS(SkSurface_Gpu, (ctx, target));
+    SkASSERT(target->getContext() == ctx);
+    return SkSurface::NewRenderTargetDirect(target);
 }
+#endif
 
 SkSurface* SkSurface::NewRenderTarget(GrContext* ctx, const SkImageInfo& info, int sampleCount) {
     if (NULL == ctx) {
         return NULL;
     }
 
     SkBitmap::Config config = SkImageInfoToBitmapConfig(info);
 
     GrTextureDesc desc;
     desc.fFlags = kRenderTarget_GrTextureFlagBit | kCheckAllocation_GrTextureFlagBit;
     desc.fWidth = info.fWidth;
     desc.fHeight = info.fHeight;
     desc.fConfig = SkBitmapConfig2GrPixelConfig(config);
     desc.fSampleCnt = sampleCount;
 
     SkAutoTUnref<GrTexture> tex(ctx->createUncachedTexture(desc, NULL, 0));
     if (NULL == tex) {
         return NULL;
     }
 
-    return SkNEW_ARGS(SkSurface_Gpu, (ctx, tex->asRenderTarget()));
+    return SkNEW_ARGS(SkSurface_Gpu, (tex->asRenderTarget()));
 }