add gpu backend (not hooked up yet)
git-svn-id: http://skia.googlecode.com/svn/trunk@649 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/include/SkGrTexturePixelRef.h b/gpu/include/SkGrTexturePixelRef.h
new file mode 100644
index 0000000..1f5133f
--- /dev/null
+++ b/gpu/include/SkGrTexturePixelRef.h
@@ -0,0 +1,50 @@
+/*
+ Copyright 2010 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.
+ */
+
+
+#ifndef SkGrTexturePixelRef_DEFINED
+#define SkGrTexturePixelRef_DEFINED
+
+#include "SkPixelRef.h"
+#include "GrGpu.h"
+
+class SkGrTexturePixelRef : public SkPixelRef {
+public:
+ SkGrTexturePixelRef(GrTexture*);
+ virtual ~SkGrTexturePixelRef();
+
+ // override from SkPixelRef
+ virtual SkGpuTexture* getTexture() { return (SkGpuTexture*)fTexture; }
+
+protected:
+ // override from SkPixelRef
+ virtual void* onLockPixels(SkColorTable** ptr) {
+ if (ptr) {
+ *ptr = NULL;
+ }
+ return NULL;
+ }
+
+ // override from SkPixelRef
+ virtual void onUnlockPixels() {}
+
+private:
+ GrTexture* fTexture;
+ typedef SkPixelRef INHERITED;
+};
+
+#endif
+