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The Tor Browser
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RenderMacIOSurfaceTextureHost.h (2048B)

      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_RENDERMACIOSURFACETEXTUREHOST_H
      8 #define MOZILLA_GFX_RENDERMACIOSURFACETEXTUREHOST_H
      9 
     10 #include "mozilla/gfx/MacIOSurface.h"
     11 #include "mozilla/layers/TextureHostOGL.h"
     12 #include "RenderTextureHostSWGL.h"
     13 
     14 namespace mozilla {
     15 
     16 namespace layers {
     17 class GpuFence;
     18 class SurfaceDescriptorMacIOSurface;
     19 }  // namespace layers
     20 
     21 namespace wr {
     22 
     23 class RenderMacIOSurfaceTextureHost final : public RenderTextureHostSWGL {
     24 public:
     25  explicit RenderMacIOSurfaceTextureHost(MacIOSurface* aSurface,
     26                                         layers::GpuFence* aGpuFence);
     27 
     28  wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL) override;
     29  void Unlock() override;
     30 
     31  gfx::IntSize GetSize(uint8_t aChannelIndex) const;
     32  GLuint GetGLHandle(uint8_t aChannelIndex) const;
     33 
     34  RenderMacIOSurfaceTextureHost* AsRenderMacIOSurfaceTextureHost() override {
     35    return this;
     36  }
     37 
     38  size_t Bytes() override;
     39 
     40  MacIOSurface* GetSurface() { return mSurface; }
     41 
     42  // RenderTextureHostSWGL
     43  size_t GetPlaneCount() const override;
     44  gfx::SurfaceFormat GetFormat() const override;
     45  gfx::ColorDepth GetColorDepth() const override;
     46  gfx::YUVRangedColorSpace GetYUVColorSpace() const override;
     47  bool MapPlane(RenderCompositor* aCompositor, uint8_t aChannelIndex,
     48                PlaneInfo& aPlaneInfo) override;
     49  void UnmapPlanes() override;
     50 
     51  layers::GpuFence* GetGpuFence() { return mGpuFence; }
     52 
     53 private:
     54  virtual ~RenderMacIOSurfaceTextureHost();
     55  void DeleteTextureHandle();
     56 
     57  RefPtr<MacIOSurface> mSurface;
     58  RefPtr<layers::GpuFence> mGpuFence;
     59  RefPtr<gl::GLContext> mGL;
     60  GLuint mTextureHandles[3];
     61 };
     62 
     63 }  // namespace wr
     64 }  // namespace mozilla
     65 
     66 #endif  // MOZILLA_GFX_RENDERMACIOSURFACETEXTUREHOST_H