RenderBufferTextureHost.h (2317B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef MOZILLA_GFX_RENDERBUFFERTEXTUREHOST_H 8 #define MOZILLA_GFX_RENDERBUFFERTEXTUREHOST_H 9 10 #include "RenderTextureHostSWGL.h" 11 12 namespace mozilla { 13 namespace wr { 14 15 class RenderBufferTextureHost final : public RenderTextureHostSWGL { 16 public: 17 RenderBufferTextureHost(uint8_t* aBuffer, 18 const layers::BufferDescriptor& aDescriptor); 19 20 // RenderTextureHost 21 wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL) override; 22 void Unlock() override; 23 24 size_t Bytes() override { 25 return mSize.width * mSize.height * BytesPerPixel(mFormat); 26 } 27 class RenderBufferData { 28 public: 29 RenderBufferData(uint8_t* aData, size_t aBufferSize) 30 : mData(aData), mBufferSize(aBufferSize) {} 31 const uint8_t* mData; 32 size_t mBufferSize; 33 }; 34 35 RenderBufferData GetBufferDataForRender(uint8_t aChannelIndex); 36 37 // RenderTextureHostSWGL 38 size_t GetPlaneCount() const override; 39 40 gfx::SurfaceFormat GetFormat() const override; 41 42 gfx::ColorDepth GetColorDepth() const override; 43 44 gfx::YUVRangedColorSpace GetYUVColorSpace() const override; 45 46 bool MapPlane(RenderCompositor* aCompositor, uint8_t aChannelIndex, 47 PlaneInfo& aPlaneInfo) override; 48 49 void UnmapPlanes() override; 50 51 void Destroy() override; 52 53 private: 54 virtual ~RenderBufferTextureHost(); 55 56 uint8_t* GetBuffer() const { return mBuffer; } 57 58 uint8_t* mBuffer; 59 layers::BufferDescriptor mDescriptor; 60 gfx::IntSize mSize; 61 gfx::SurfaceFormat mFormat; 62 63 RefPtr<gfx::DataSourceSurface> mSurface; 64 gfx::DataSourceSurface::MappedSurface mMap; 65 66 RefPtr<gfx::DataSourceSurface> mYSurface; 67 RefPtr<gfx::DataSourceSurface> mCbSurface; 68 RefPtr<gfx::DataSourceSurface> mCrSurface; 69 gfx::DataSourceSurface::MappedSurface mYMap; 70 gfx::DataSourceSurface::MappedSurface mCbMap; 71 gfx::DataSourceSurface::MappedSurface mCrMap; 72 73 bool mLocked; 74 75 bool mDestroyed = false; 76 }; 77 78 } // namespace wr 79 } // namespace mozilla 80 81 #endif // MOZILLA_GFX_RENDERBUFFERTEXTUREHOST_H