gfx/webrender_bindings/RenderMacIOSurfaceTextureHost.h

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