michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 GRALLOCIMAGES_H
michael@0: #define GRALLOCIMAGES_H
michael@0: 
michael@0: #ifdef MOZ_WIDGET_GONK
michael@0: 
michael@0: #include "ImageLayers.h"
michael@0: #include "ImageContainer.h"
michael@0: #include "mozilla/gfx/Point.h"
michael@0: #include "mozilla/layers/AtomicRefCountedWithFinalize.h"
michael@0: #include "mozilla/layers/FenceUtils.h"
michael@0: #include "mozilla/layers/LayersSurfaces.h"
michael@0: 
michael@0: #include <ui/GraphicBuffer.h>
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: class GrallocTextureClientOGL;
michael@0: 
michael@0: /**
michael@0:  * The YUV format supported by Android HAL
michael@0:  *
michael@0:  * 4:2:0 - CbCr width and height is half that of Y.
michael@0:  *
michael@0:  * This format assumes
michael@0:  * - an even width
michael@0:  * - an even height
michael@0:  * - a horizontal stride multiple of 16 pixels
michael@0:  * - a vertical stride equal to the height
michael@0:  *
michael@0:  * y_size = stride * height
michael@0:  * c_size = ALIGN(stride/2, 16) * height/2
michael@0:  * size = y_size + c_size * 2
michael@0:  * cr_offset = y_size
michael@0:  * cb_offset = y_size + c_size
michael@0:  *
michael@0:  * The Image that is rendered is the picture region defined by
michael@0:  * mPicX, mPicY and mPicSize. The size of the rendered image is
michael@0:  * mPicSize, not mYSize or mCbCrSize.
michael@0:  */
michael@0: class GrallocImage : public PlanarYCbCrImage
michael@0:                    , public ISharedImage
michael@0: {
michael@0:   typedef PlanarYCbCrData Data;
michael@0:   static uint32_t sColorIdMap[];
michael@0: public:
michael@0:   struct GrallocData {
michael@0:     nsRefPtr<TextureClient> mGraphicBuffer;
michael@0:     gfx::IntSize mPicSize;
michael@0:   };
michael@0: 
michael@0:   GrallocImage();
michael@0: 
michael@0:   virtual ~GrallocImage();
michael@0: 
michael@0:   /**
michael@0:    * This makes a copy of the data buffers, in order to support functioning
michael@0:    * in all different layer managers.
michael@0:    */
michael@0:   virtual void SetData(const Data& aData);
michael@0: 
michael@0:   /**
michael@0:    *  Share the SurfaceDescriptor without making the copy, in order
michael@0:    *  to support functioning in all different layer managers.
michael@0:    */
michael@0:   virtual void SetData(const GrallocData& aData);
michael@0: 
michael@0:   // From [android 4.0.4]/hardware/msm7k/libgralloc-qsd8k/gralloc_priv.h
michael@0:   enum {
michael@0:     /* OEM specific HAL formats */
michael@0:     HAL_PIXEL_FORMAT_YCbCr_422_P            = 0x102,
michael@0:     HAL_PIXEL_FORMAT_YCbCr_420_P            = 0x103,
michael@0:     HAL_PIXEL_FORMAT_YCbCr_420_SP           = 0x109,
michael@0:     HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO    = 0x10A,
michael@0:     HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED     = 0x7FA30C03,
michael@0:     HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS     = 0x7FA30C04,
michael@0:   };
michael@0: 
michael@0:   virtual TemporaryRef<gfx::SourceSurface> GetAsSourceSurface() MOZ_OVERRIDE;
michael@0: 
michael@0:   android::sp<android::GraphicBuffer> GetGraphicBuffer() const;
michael@0: 
michael@0:   void* GetNativeBuffer();
michael@0: 
michael@0:   virtual bool IsValid() { return !!mTextureClient; }
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()
michael@0:   {
michael@0:     return static_cast<uint8_t*>(GetNativeBuffer());
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   RefPtr<GrallocTextureClientOGL> mTextureClient;
michael@0: };
michael@0: 
michael@0: } // namespace layers
michael@0: } // namespace mozilla
michael@0: #endif
michael@0: 
michael@0: #endif /* GRALLOCIMAGES_H */