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comparison: gfx/layers/opengl/TextureClientOGL.h
gfx/layers/opengl/TextureClientOGL.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:8084ac9e0a65 |
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| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 // * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef MOZILLA_GFX_TEXTURECLIENTOGL_H | |
| 7 #define MOZILLA_GFX_TEXTURECLIENTOGL_H | |
| 8 | |
| 9 #include "GLContextTypes.h" // for SharedTextureHandle, etc | |
| 10 #include "gfxTypes.h" | |
| 11 #include "mozilla/Attributes.h" // for MOZ_OVERRIDE | |
| 12 #include "mozilla/gfx/Point.h" // for IntSize | |
| 13 #include "mozilla/layers/CompositorTypes.h" | |
| 14 #include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor | |
| 15 #include "mozilla/layers/TextureClient.h" // for TextureClient, etc | |
| 16 | |
| 17 namespace mozilla { | |
| 18 namespace gfx { | |
| 19 class SurfaceStream; | |
| 20 } | |
| 21 } | |
| 22 | |
| 23 namespace mozilla { | |
| 24 namespace layers { | |
| 25 | |
| 26 class CompositableForwarder; | |
| 27 | |
| 28 /** | |
| 29 * A TextureClient implementation to share TextureMemory that is already | |
| 30 * on the GPU, for the OpenGL backend. | |
| 31 */ | |
| 32 class SharedTextureClientOGL : public TextureClient | |
| 33 { | |
| 34 public: | |
| 35 SharedTextureClientOGL(TextureFlags aFlags); | |
| 36 | |
| 37 ~SharedTextureClientOGL(); | |
| 38 | |
| 39 virtual bool IsAllocated() const MOZ_OVERRIDE; | |
| 40 | |
| 41 virtual bool ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) MOZ_OVERRIDE; | |
| 42 | |
| 43 virtual bool Lock(OpenMode mode) MOZ_OVERRIDE; | |
| 44 | |
| 45 virtual void Unlock() MOZ_OVERRIDE; | |
| 46 | |
| 47 virtual bool IsLocked() const MOZ_OVERRIDE { return mIsLocked; } | |
| 48 | |
| 49 virtual bool HasInternalBuffer() const MOZ_OVERRIDE { return false; } | |
| 50 | |
| 51 void InitWith(gl::SharedTextureHandle aHandle, | |
| 52 gfx::IntSize aSize, | |
| 53 gl::SharedTextureShareType aShareType, | |
| 54 bool aInverted = false); | |
| 55 | |
| 56 virtual gfx::IntSize GetSize() const { return mSize; } | |
| 57 | |
| 58 virtual TextureClientData* DropTextureData() MOZ_OVERRIDE | |
| 59 { | |
| 60 // XXX - right now the code paths using this are managing the shared texture | |
| 61 // data, although they should use a TextureClientData for this to ensure that | |
| 62 // the destruction sequence is race-free. | |
| 63 MarkInvalid(); | |
| 64 return nullptr; | |
| 65 } | |
| 66 | |
| 67 virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE | |
| 68 { | |
| 69 return gfx::SurfaceFormat::UNKNOWN; | |
| 70 } | |
| 71 | |
| 72 virtual bool AllocateForSurface(gfx::IntSize aSize, TextureAllocationFlags aFlags) MOZ_OVERRIDE | |
| 73 { | |
| 74 return false; | |
| 75 } | |
| 76 | |
| 77 protected: | |
| 78 gl::SharedTextureHandle mHandle; | |
| 79 gfx::IntSize mSize; | |
| 80 gl::SharedTextureShareType mShareType; | |
| 81 bool mInverted; | |
| 82 bool mIsLocked; | |
| 83 }; | |
| 84 | |
| 85 /** | |
| 86 * A TextureClient implementation to share SurfaceStream. | |
| 87 */ | |
| 88 class StreamTextureClientOGL : public TextureClient | |
| 89 { | |
| 90 public: | |
| 91 StreamTextureClientOGL(TextureFlags aFlags); | |
| 92 | |
| 93 ~StreamTextureClientOGL(); | |
| 94 | |
| 95 virtual bool IsAllocated() const MOZ_OVERRIDE; | |
| 96 | |
| 97 virtual bool Lock(OpenMode mode) MOZ_OVERRIDE; | |
| 98 | |
| 99 virtual void Unlock() MOZ_OVERRIDE; | |
| 100 | |
| 101 virtual bool IsLocked() const MOZ_OVERRIDE { return mIsLocked; } | |
| 102 | |
| 103 virtual bool ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) MOZ_OVERRIDE; | |
| 104 | |
| 105 virtual TextureClientData* DropTextureData() MOZ_OVERRIDE { return nullptr; } | |
| 106 | |
| 107 virtual bool HasInternalBuffer() const MOZ_OVERRIDE { return false; } | |
| 108 | |
| 109 void InitWith(gfx::SurfaceStream* aStream); | |
| 110 | |
| 111 virtual gfx::IntSize GetSize() const { return gfx::IntSize(); } | |
| 112 | |
| 113 virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE | |
| 114 { | |
| 115 return gfx::SurfaceFormat::UNKNOWN; | |
| 116 } | |
| 117 | |
| 118 virtual bool AllocateForSurface(gfx::IntSize aSize, TextureAllocationFlags aFlags) MOZ_OVERRIDE | |
| 119 { | |
| 120 return false; | |
| 121 } | |
| 122 | |
| 123 protected: | |
| 124 bool mIsLocked; | |
| 125 RefPtr<gfx::SurfaceStream> mStream; | |
| 126 RefPtr<gl::GLContext> mGL; | |
| 127 }; | |
| 128 | |
| 129 } // namespace | |
| 130 } // namespace | |
| 131 | |
| 132 #endif |
