Adds read pixels to GrTexture and GrRenderTarget
Adds SkGrRenderTargetPixelRef for SkBitmaps that are backed by RTs that aren't textures.
Adds onReadPixels implementations for SkGr pixel ref types
git-svn-id: http://skia.googlecode.com/svn/trunk@1056 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrTexture.cpp b/gpu/src/GrTexture.cpp
new file mode 100644
index 0000000..7c5f87f
--- /dev/null
+++ b/gpu/src/GrTexture.cpp
@@ -0,0 +1,45 @@
+/*
+ Copyright 2011 Google Inc.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+#include "GrTexture.h"
+#include "GrContext.h"
+
+bool GrRenderTarget::readPixels(int left, int top, int width, int height,
+ GrPixelConfig config, void* buffer) {
+ // go through context so that all necessary flushing occurs
+ GrContext* context = this->getGpu()->getContext();
+ GrAssert(NULL != context);
+ return context->readRenderTargetPixels(this,
+ left, top,
+ width, height,
+ config, buffer);
+}
+
+GrTexture::~GrTexture() {
+ // use this to set a break-point if needed
+// Gr_clz(3);
+}
+
+bool GrTexture::readPixels(int left, int top, int width, int height,
+ GrPixelConfig config, void* buffer) {
+ // go through context so that all necessary flushing occurs
+ GrContext* context = this->getGpu()->getContext();
+ GrAssert(NULL != context);
+ return context->readTexturePixels(this,
+ left, top,
+ width, height,
+ config, buffer);
+}