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MacIOSurfaceTextureHostOGL.h (2856B)

      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_MACIOSURFACETEXTUREHOSTOGL_H
      8 #define MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
      9 
     10 #include "MacIOSurfaceHelpers.h"
     11 #include "mozilla/gfx/2D.h"
     12 #include "mozilla/layers/CompositorOGL.h"
     13 #include "mozilla/layers/TextureHostOGL.h"
     14 
     15 class MacIOSurface;
     16 
     17 namespace mozilla {
     18 namespace layers {
     19 
     20 class GpuFence;
     21 
     22 /**
     23 * A TextureHost for shared MacIOSurface
     24 *
     25 * Most of the logic actually happens in MacIOSurfaceTextureSourceOGL.
     26 */
     27 class MacIOSurfaceTextureHostOGL : public TextureHost {
     28 public:
     29  MacIOSurfaceTextureHostOGL(TextureFlags aFlags,
     30                             const SurfaceDescriptorMacIOSurface& aDescriptor);
     31  virtual ~MacIOSurfaceTextureHostOGL();
     32 
     33  // MacIOSurfaceTextureSourceOGL doesn't own any GL texture
     34  void DeallocateDeviceData() override {}
     35 
     36  gfx::SurfaceFormat GetFormat() const override;
     37  gfx::SurfaceFormat GetReadFormat() const override;
     38 
     39  already_AddRefed<gfx::DataSourceSurface> GetAsSurface(
     40      gfx::DataSourceSurface* aSurface) override {
     41    RefPtr<gfx::SourceSurface> surf =
     42        CreateSourceSurfaceFromMacIOSurface(GetMacIOSurface(), aSurface);
     43    return surf->GetDataSurface();
     44  }
     45 
     46  gl::GLContext* gl() const;
     47 
     48  gfx::IntSize GetSize() const override;
     49 
     50 #ifdef MOZ_LAYERS_HAVE_LOG
     51  const char* Name() override { return "MacIOSurfaceTextureHostOGL"; }
     52 #endif
     53 
     54  MacIOSurfaceTextureHostOGL* AsMacIOSurfaceTextureHost() override {
     55    return this;
     56  }
     57 
     58  MacIOSurface* GetMacIOSurface() override { return mSurface; }
     59 
     60  void CreateRenderTexture(
     61      const wr::ExternalImageId& aExternalImageId) override;
     62 
     63  uint32_t NumSubTextures() override;
     64 
     65  void PushResourceUpdates(wr::TransactionBuilder& aResources,
     66                           ResourceUpdateOp aOp,
     67                           const Range<wr::ImageKey>& aImageKeys,
     68                           const wr::ExternalImageId& aExtID) override;
     69 
     70  void PushDisplayItems(wr::DisplayListBuilder& aBuilder,
     71                        const wr::LayoutRect& aBounds,
     72                        const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
     73                        const Range<wr::ImageKey>& aImageKeys,
     74                        PushDisplayItemFlagSet aFlags) override;
     75 
     76  gfx::YUVColorSpace GetYUVColorSpace() const override;
     77  gfx::ColorRange GetColorRange() const override;
     78 
     79  const RefPtr<MacIOSurface> mSurface;
     80  const RefPtr<GpuFence> mGpuFence;
     81 
     82 protected:
     83  RefPtr<GLTextureSource> mTextureSource;
     84 };
     85 
     86 }  // namespace layers
     87 }  // namespace mozilla
     88 
     89 #endif  // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H