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 /**
21  * A TextureHost for shared MacIOSurface
22  *
23  * Most of the logic actually happens in MacIOSurfaceTextureSourceOGL.
24  */
25 class MacIOSurfaceTextureHostOGL : public TextureHost {
26  public:
27   MacIOSurfaceTextureHostOGL(TextureFlags aFlags,
28                              const SurfaceDescriptorMacIOSurface& aDescriptor);
29   virtual ~MacIOSurfaceTextureHostOGL();
30 
31   // MacIOSurfaceTextureSourceOGL doesn't own any GL texture
DeallocateDeviceData()32   void DeallocateDeviceData() override {}
33 
34   void SetTextureSourceProvider(TextureSourceProvider* aProvider) override;
35 
36   bool Lock() override;
37 
38   gfx::SurfaceFormat GetFormat() const override;
39   gfx::SurfaceFormat GetReadFormat() const override;
40 
BindTextureSource(CompositableTextureSourceRef & aTexture)41   bool BindTextureSource(CompositableTextureSourceRef& aTexture) override {
42     aTexture = mTextureSource;
43     return !!aTexture;
44   }
45 
GetAsSurface()46   already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override {
47     RefPtr<gfx::SourceSurface> surf =
48         CreateSourceSurfaceFromMacIOSurface(GetMacIOSurface());
49     return surf->GetDataSurface();
50   }
51 
52   gl::GLContext* gl() const;
53 
54   gfx::IntSize GetSize() const override;
55 
56 #ifdef MOZ_LAYERS_HAVE_LOG
Name()57   const char* Name() override { return "MacIOSurfaceTextureHostOGL"; }
58 #endif
59 
AsMacIOSurfaceTextureHost()60   MacIOSurfaceTextureHostOGL* AsMacIOSurfaceTextureHost() override {
61     return this;
62   }
63 
GetMacIOSurface()64   MacIOSurface* GetMacIOSurface() override { return mSurface; }
65 
66   void CreateRenderTexture(
67       const wr::ExternalImageId& aExternalImageId) override;
68 
69   uint32_t NumSubTextures() override;
70 
71   void PushResourceUpdates(wr::TransactionBuilder& aResources,
72                            ResourceUpdateOp aOp,
73                            const Range<wr::ImageKey>& aImageKeys,
74                            const wr::ExternalImageId& aExtID) override;
75 
76   void PushDisplayItems(wr::DisplayListBuilder& aBuilder,
77                         const wr::LayoutRect& aBounds,
78                         const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
79                         const Range<wr::ImageKey>& aImageKeys,
80                         PushDisplayItemFlagSet aFlags) override;
81 
82   gfx::YUVColorSpace GetYUVColorSpace() const override;
83   gfx::ColorRange GetColorRange() const override;
84 
85  protected:
86   GLTextureSource* CreateTextureSourceForPlane(size_t aPlane);
87 
88   RefPtr<GLTextureSource> mTextureSource;
89   RefPtr<MacIOSurface> mSurface;
90 };
91 
92 }  // namespace layers
93 }  // namespace mozilla
94 
95 #endif  // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
96