Split SkDevice into SkBaseDevice and SkBitmapDevice

src/gpu/SkGpuDevice.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 "SkGpuDevice.h"
 
 #include "effects/GrTextureDomainEffect.h"
@@ skipping 143 matching lines @@
         return NULL;
     }
     if (surface->asTexture()) {
         return SkNEW_ARGS(SkGpuDevice, (surface->getContext(), surface->asTexture()));
     } else {
         return SkNEW_ARGS(SkGpuDevice, (surface->getContext(), surface->asRenderTarget()));
     }
 }
 
 SkGpuDevice::SkGpuDevice(GrContext* context, GrTexture* texture)
-: SkDevice(make_bitmap(context, texture->asRenderTarget())) {
+    : SkBitmapDevice(make_bitmap(context, texture->asRenderTarget())) {
     this->initFromRenderTarget(context, texture->asRenderTarget(), false);
 }
 
 SkGpuDevice::SkGpuDevice(GrContext* context, GrRenderTarget* renderTarget)
-: SkDevice(make_bitmap(context, renderTarget)) {
+    : SkBitmapDevice(make_bitmap(context, renderTarget)) {
     this->initFromRenderTarget(context, renderTarget, false);
 }
 
 void SkGpuDevice::initFromRenderTarget(GrContext* context,
                                        GrRenderTarget* renderTarget,
                                        bool cached) {
     fDrawProcs = NULL;
 
     fContext = context;
     fContext->ref();
@@ skipping 16 matching lines @@
     SkPixelRef* pr = SkNEW_ARGS(SkGrPixelRef, (surface, cached));
 
     this->setPixelRef(pr, 0)->unref();
 }
 
 SkGpuDevice::SkGpuDevice(GrContext* context,
                          SkBitmap::Config config,
                          int width,
                          int height,
                          int sampleCount)
-    : SkDevice(config, width, height, false /*isOpaque*/) {
+    : SkBitmapDevice(config, width, height, false /*isOpaque*/) {
 
     fDrawProcs = NULL;
 
     fContext = context;
     fContext->ref();
 
     fRenderTarget = NULL;
     fNeedClear = false;
 
     if (config != SkBitmap::kRGB_565_Config) {
@@ skipping 1212 matching lines @@
     GrPaint grPaint;
     grPaint.addColorEffect(effect);
     bool alphaOnly = !(SkBitmap::kA8_Config == bitmap.config());
     if (!skPaint2GrPaintNoShader(this, paint, alphaOnly, false, &grPaint)) {
         return;
     }
 
     fContext->drawRectToRect(grPaint, dstRect, paintRect, &m);
 }
 
-static bool filter_texture(SkDevice* device, GrContext* context,
+static bool filter_texture(SkBaseDevice* device, GrContext* context,
                            GrTexture* texture, SkImageFilter* filter,
                            int w, int h, const SkMatrix& ctm, SkBitmap* result,
                            SkIPoint* offset) {
     SkASSERT(filter);
     SkDeviceImageFilterProxy proxy(device);
 
     if (filter->canFilterImageGPU()) {
         // Save the render target and set it to NULL, so we don't accidentally draw to it in the
         // filter.  Also set the clip wide open and the matrix to identity.
         GrContext::AutoWideOpenIdentityDraw awo(context, NULL);
@@ skipping 78 matching lines @@
         if (!bitmapBounds.contains(tmpSrc)) {
             if (!tmpSrc.intersect(bitmapBounds)) {
                 return; // nothing to draw
             }
         }
     }
 
     this->drawBitmapCommon(draw, bitmap, &tmpSrc, matrix, paint, flags);
 }
 
-void SkGpuDevice::drawDevice(const SkDraw& draw, SkDevice* device,
+void SkGpuDevice::drawDevice(const SkDraw& draw, SkBaseDevice* device,
                              int x, int y, const SkPaint& paint) {
     // clear of the source device must occur before CHECK_SHOULD_DRAW
     SkGpuDevice* dev = static_cast<SkGpuDevice*>(device);
     if (dev->fNeedClear) {
         // TODO: could check here whether we really need to draw at all
         dev->clear(0x0);
     }
 
     // drawDevice is defined to be in device coords.
     CHECK_SHOULD_DRAW(draw, true);
@@ skipping 262 matching lines @@
     return false;
 }
 
 void SkGpuDevice::flush() {
     DO_DEFERRED_CLEAR();
     fContext->resolveRenderTarget(fRenderTarget);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-SkDevice* SkGpuDevice::onCreateCompatibleDevice(SkBitmap::Config config,
-                                                int width, int height,
-                                                bool isOpaque,
-                                                Usage usage) {
+SkBaseDevice* SkGpuDevice::onCreateCompatibleDevice(SkBitmap::Config config,
+                                                    int width, int height,
+                                                    bool isOpaque,
+                                                    Usage usage) {
     GrTextureDesc desc;
     desc.fConfig = fRenderTarget->config();
     desc.fFlags = kRenderTarget_GrTextureFlagBit;
     desc.fWidth = width;
     desc.fHeight = height;
     desc.fSampleCnt = fRenderTarget->numSamples();
 
     SkAutoTUnref<GrTexture> texture;
     // Skia's convention is to only clear a device if it is non-opaque.
     bool needClear = !isOpaque;
@@ skipping 12 matching lines @@
         return SkNEW_ARGS(SkGpuDevice,(fContext, texture, needClear));
     } else {
         GrPrintf("---- failed to create compatible device texture [%d %d]\n", width, height);
         return NULL;
     }
 }
 
 SkGpuDevice::SkGpuDevice(GrContext* context,
                          GrTexture* texture,
                          bool needClear)
-    : SkDevice(make_bitmap(context, texture->asRenderTarget())) {
+    : SkBitmapDevice(make_bitmap(context, texture->asRenderTarget())) {
 
     SkASSERT(texture && texture->asRenderTarget());
     // This constructor is called from onCreateCompatibleDevice. It has locked the RT in the texture
     // cache. We pass true for the third argument so that it will get unlocked.
     this->initFromRenderTarget(context, texture->asRenderTarget(), true);
     fNeedClear = needClear;
 }