michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef SHAREDRGBIMAGE_H_
michael@0: #define SHAREDRGBIMAGE_H_
michael@0: 
michael@0: #include <stddef.h>                     // for size_t
michael@0: #include <stdint.h>                     // for uint8_t
michael@0: #include "ImageContainer.h"             // for ISharedImage, Image, etc
michael@0: #include "gfxTypes.h"
michael@0: #include "mozilla/Attributes.h"         // for MOZ_OVERRIDE
michael@0: #include "mozilla/RefPtr.h"             // for RefPtr
michael@0: #include "mozilla/gfx/Point.h"          // for IntSize
michael@0: #include "mozilla/gfx/Types.h"          // for SurfaceFormat
michael@0: #include "nsCOMPtr.h"                   // for already_AddRefed
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace ipc {
michael@0: class Shmem;
michael@0: }
michael@0: 
michael@0: namespace layers {
michael@0: 
michael@0: class BufferTextureClient;
michael@0: class ImageClient;
michael@0: class ISurfaceAllocator;
michael@0: class TextureClient;
michael@0: class SurfaceDescriptor;
michael@0: 
michael@0: already_AddRefed<Image> CreateSharedRGBImage(ImageContainer* aImageContainer,
michael@0:                                              nsIntSize aSize,
michael@0:                                              gfxImageFormat aImageFormat);
michael@0: 
michael@0: /**
michael@0:  * Stores RGB data in shared memory
michael@0:  * It is assumed that the image width and stride are equal
michael@0:  */
michael@0: class SharedRGBImage : public Image
michael@0:                      , public ISharedImage
michael@0: {
michael@0: public:
michael@0:   SharedRGBImage(ImageClient* aCompositable);
michael@0:   ~SharedRGBImage();
michael@0: 
michael@0:   virtual ISharedImage* AsSharedImage() MOZ_OVERRIDE { return this; }
michael@0: 
michael@0:   virtual TextureClient* GetTextureClient(CompositableClient* aClient) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual uint8_t* GetBuffer() MOZ_OVERRIDE;
michael@0: 
michael@0:   gfx::IntSize GetSize();
michael@0: 
michael@0:   size_t GetBufferSize();
michael@0: 
michael@0:   TemporaryRef<gfx::SourceSurface> GetAsSourceSurface();
michael@0: 
michael@0:   bool Allocate(gfx::IntSize aSize, gfx::SurfaceFormat aFormat);
michael@0: private:
michael@0:   gfx::IntSize mSize;
michael@0:   RefPtr<ImageClient> mCompositable;
michael@0:   RefPtr<BufferTextureClient> mTextureClient;
michael@0: };
michael@0: 
michael@0: } // namespace layers
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif