Index: content/common/gpu/image_transport_surface_calayer_mac.h |
diff --git a/content/common/gpu/image_transport_surface_calayer_mac.h b/content/common/gpu/image_transport_surface_calayer_mac.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e8e2af0d77b38871ac9e9b57ab21ddf2f0ae2746 |
--- /dev/null |
+++ b/content/common/gpu/image_transport_surface_calayer_mac.h |
@@ -0,0 +1,48 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_CALAYER_MAC_H_ |
+#define CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_CALAYER_MAC_H_ |
+ |
+#include "base/mac/scoped_nsobject.h" |
+#include "content/common/gpu/image_transport_surface_fbo_mac.h" |
+#include "ui/base/cocoa/remote_layer_api.h" |
+#include "ui/gl/gl_bindings.h" |
+#include "ui/gl/scoped_cgl.h" |
+ |
+@interface ImageTransportLayer : CAOpenGLLayer { |
+ base::ScopedTypeRef<CGLContextObj> shareContext_; |
+ GLuint texture_; |
+ gfx::Size pixelSize_; |
+} |
+@end |
+ |
+namespace content { |
+ |
+// Allocate CAOpenGLLayer-backed storage for an FBO image transport surface. |
+class CALayerStorageProvider |
+ : public ImageTransportSurfaceFBO::StorageProvider { |
+ public: |
+ CALayerStorageProvider(); |
+ virtual ~CALayerStorageProvider(); |
+ |
+ // ImageTransportSurfaceFBO::StorageProvider implementation: |
+ virtual gfx::Size GetRoundedSize(gfx::Size size) OVERRIDE; |
+ virtual bool AllocateColorBufferStorage( |
+ CGLContextObj context, GLuint texture, |
+ gfx::Size pixel_size, float scale_factor) OVERRIDE; |
+ virtual void FreeColorBufferStorage() OVERRIDE; |
+ virtual uint64 GetSurfaceHandle() const OVERRIDE; |
+ virtual void WillSwapBuffers() OVERRIDE; |
+ |
+ private: |
+ base::scoped_nsobject<CAContext> context_; |
+ base::scoped_nsobject<ImageTransportLayer> layer_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(CALayerStorageProvider); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_COMMON_GPU_IMAGE_TRANSPORT_CALAYER_MAC_H_ |