gfx/webrender_bindings/RenderDMABUFTextureHost.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_RENDERDMABUFTEXTUREHOST_H
   8 #define MOZILLA_GFX_RENDERDMABUFTEXTUREHOST_H
   9
  10 #include "mozilla/layers/TextureHostOGL.h"
  11 #include "RenderTextureHost.h"
  12 #include "mozilla/widget/DMABufSurface.h"
  13
  14 namespace mozilla {
  15
  16 namespace layers {
  17 class SurfaceDescriptorDMABuf;
  18 }
  19
  20 namespace wr {
  21
  22 class RenderDMABUFTextureHost final : public RenderTextureHost {
  23  public:
  24   explicit RenderDMABUFTextureHost(DMABufSurface* aSurface);
  25
  26   wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL) override;
  27   void Unlock() override;
  28   void ClearCachedResources() override;
  29
  30   size_t Bytes() override {
  31     return mSurface->GetWidth() * mSurface->GetHeight() *
  32            BytesPerPixel(mSurface->GetFormat());
  33   }
  34
  35  private:
  36   virtual ~RenderDMABUFTextureHost();
  37   void DeleteTextureHandle();
  38
  39   RefPtr<DMABufSurface> mSurface;
  40   RefPtr<gl::GLContext> mGL;
  41 };
  42
  43 }  // namespace wr
  44 }  // namespace mozilla
  45
  46 #endif  // MOZILLA_GFX_RENDERDMABUFTEXTUREHOST_H