Change clear() to respect the clip

src/gpu/SkGpuDevice.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
@@ skipping 47 matching lines @@
 
     SkGpuDevice* cloneDevice(const SkSurfaceProps& props) {
         SkBaseDevice* dev = this->onCreateCompatibleDevice(CreateInfo(this->imageInfo(),
                                                                       kGeneral_Usage,
                                                                       props.pixelGeometry()));
         return static_cast<SkGpuDevice*>(dev);
     }
 
     GrContext* context() const { return fContext; }
 
+    // set all pixels to 0
+    void clearAll();
+
     virtual GrRenderTarget* accessRenderTarget() SK_OVERRIDE;
 
     virtual SkImageInfo imageInfo() const SK_OVERRIDE {
         return fRenderTarget ? fRenderTarget->surfacePriv().info() : SkImageInfo::MakeUnknown();
     }
 
-    virtual void clear(SkColor color) SK_OVERRIDE;
     virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count,
                             const SkPoint[], const SkPaint& paint) SK_OVERRIDE;
     virtual void drawRect(const SkDraw&, const SkRect& r,
                           const SkPaint& paint) SK_OVERRIDE;
     virtual void drawRRect(const SkDraw&, const SkRRect& r,
                            const SkPaint& paint) SK_OVERRIDE;
     virtual void drawDRRect(const SkDraw& draw, const SkRRect& outer,
                             const SkRRect& inner, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawOval(const SkDraw&, const SkRect& oval,
@@ skipping 119 matching lines @@
     bool filterTexture(GrContext*, GrTexture*, const SkImageFilter*,
                        const SkImageFilter::Context&,
                        SkBitmap* result, SkIPoint* offset);
 
     static SkPicture::AccelData::Key ComputeAccelDataKey();
 
     typedef SkBaseDevice INHERITED;
 };
 
 #endif