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comparison: gfx/layers/GrallocImages.h
gfx/layers/GrallocImages.h
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| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef GRALLOCIMAGES_H | |
| 7 #define GRALLOCIMAGES_H | |
| 8 | |
| 9 #ifdef MOZ_WIDGET_GONK | |
| 10 | |
| 11 #include "ImageLayers.h" | |
| 12 #include "ImageContainer.h" | |
| 13 #include "mozilla/gfx/Point.h" | |
| 14 #include "mozilla/layers/AtomicRefCountedWithFinalize.h" | |
| 15 #include "mozilla/layers/FenceUtils.h" | |
| 16 #include "mozilla/layers/LayersSurfaces.h" | |
| 17 | |
| 18 #include <ui/GraphicBuffer.h> | |
| 19 | |
| 20 namespace mozilla { | |
| 21 namespace layers { | |
| 22 | |
| 23 class GrallocTextureClientOGL; | |
| 24 | |
| 25 /** | |
| 26 * The YUV format supported by Android HAL | |
| 27 * | |
| 28 * 4:2:0 - CbCr width and height is half that of Y. | |
| 29 * | |
| 30 * This format assumes | |
| 31 * - an even width | |
| 32 * - an even height | |
| 33 * - a horizontal stride multiple of 16 pixels | |
| 34 * - a vertical stride equal to the height | |
| 35 * | |
| 36 * y_size = stride * height | |
| 37 * c_size = ALIGN(stride/2, 16) * height/2 | |
| 38 * size = y_size + c_size * 2 | |
| 39 * cr_offset = y_size | |
| 40 * cb_offset = y_size + c_size | |
| 41 * | |
| 42 * The Image that is rendered is the picture region defined by | |
| 43 * mPicX, mPicY and mPicSize. The size of the rendered image is | |
| 44 * mPicSize, not mYSize or mCbCrSize. | |
| 45 */ | |
| 46 class GrallocImage : public PlanarYCbCrImage | |
| 47 , public ISharedImage | |
| 48 { | |
| 49 typedef PlanarYCbCrData Data; | |
| 50 static uint32_t sColorIdMap[]; | |
| 51 public: | |
| 52 struct GrallocData { | |
| 53 nsRefPtr<TextureClient> mGraphicBuffer; | |
| 54 gfx::IntSize mPicSize; | |
| 55 }; | |
| 56 | |
| 57 GrallocImage(); | |
| 58 | |
| 59 virtual ~GrallocImage(); | |
| 60 | |
| 61 /** | |
| 62 * This makes a copy of the data buffers, in order to support functioning | |
| 63 * in all different layer managers. | |
| 64 */ | |
| 65 virtual void SetData(const Data& aData); | |
| 66 | |
| 67 /** | |
| 68 * Share the SurfaceDescriptor without making the copy, in order | |
| 69 * to support functioning in all different layer managers. | |
| 70 */ | |
| 71 virtual void SetData(const GrallocData& aData); | |
| 72 | |
| 73 // From [android 4.0.4]/hardware/msm7k/libgralloc-qsd8k/gralloc_priv.h | |
| 74 enum { | |
| 75 /* OEM specific HAL formats */ | |
| 76 HAL_PIXEL_FORMAT_YCbCr_422_P = 0x102, | |
| 77 HAL_PIXEL_FORMAT_YCbCr_420_P = 0x103, | |
| 78 HAL_PIXEL_FORMAT_YCbCr_420_SP = 0x109, | |
| 79 HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO = 0x10A, | |
| 80 HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED = 0x7FA30C03, | |
| 81 HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS = 0x7FA30C04, | |
| 82 }; | |
| 83 | |
| 84 virtual TemporaryRef<gfx::SourceSurface> GetAsSourceSurface() MOZ_OVERRIDE; | |
| 85 | |
| 86 android::sp<android::GraphicBuffer> GetGraphicBuffer() const; | |
| 87 | |
| 88 void* GetNativeBuffer(); | |
| 89 | |
| 90 virtual bool IsValid() { return !!mTextureClient; } | |
| 91 | |
| 92 virtual ISharedImage* AsSharedImage() MOZ_OVERRIDE { return this; } | |
| 93 | |
| 94 virtual TextureClient* GetTextureClient(CompositableClient* aClient) MOZ_OVERRIDE; | |
| 95 | |
| 96 virtual uint8_t* GetBuffer() | |
| 97 { | |
| 98 return static_cast<uint8_t*>(GetNativeBuffer()); | |
| 99 } | |
| 100 | |
| 101 private: | |
| 102 RefPtr<GrallocTextureClientOGL> mTextureClient; | |
| 103 }; | |
| 104 | |
| 105 } // namespace layers | |
| 106 } // namespace mozilla | |
| 107 #endif | |
| 108 | |
| 109 #endif /* GRALLOCIMAGES_H */ |
