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_X11TEXTUREHOST__H 8 #define MOZILLA_GFX_X11TEXTUREHOST__H 9 10 #include "mozilla/layers/TextureHost.h" 11 #include "mozilla/layers/LayersSurfaces.h" 12 #include "mozilla/gfx/Types.h" 13 14 #include "gfxXlibSurface.h" 15 16 namespace mozilla { 17 namespace layers { 18 19 class X11TextureSource : public TextureSource { 20 public: 21 // Called when the underlying X surface has been changed. 22 // Useful for determining whether to rebind a GLXPixmap to a texture. 23 virtual void Updated() = 0; 24 Name()25 const char* Name() const override { return "X11TextureSource"; } 26 }; 27 28 // TextureHost for Xlib-backed TextureSources. 29 class X11TextureHost : public TextureHost { 30 public: 31 X11TextureHost(TextureFlags aFlags, const SurfaceDescriptorX11& aDescriptor); 32 33 void SetTextureSourceProvider(TextureSourceProvider* aProvider) override; 34 35 bool Lock() override; 36 37 gfx::SurfaceFormat GetFormat() const override; 38 39 gfx::IntSize GetSize() const override; 40 BindTextureSource(CompositableTextureSourceRef & aTexture)41 bool BindTextureSource(CompositableTextureSourceRef& aTexture) override { 42 aTexture = mTextureSource; 43 return !!aTexture; 44 } 45 46 already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override; 47 48 #ifdef MOZ_LAYERS_HAVE_LOG Name()49 const char* Name() override { return "X11TextureHost"; } 50 #endif 51 52 protected: UpdatedInternal(const nsIntRegion *)53 void UpdatedInternal(const nsIntRegion*) override { 54 if (mTextureSource) mTextureSource->Updated(); 55 } 56 57 RefPtr<Compositor> mCompositor; 58 RefPtr<X11TextureSource> mTextureSource; 59 RefPtr<gfxXlibSurface> mSurface; 60 }; 61 62 } // namespace layers 63 } // namespace mozilla 64 65 #endif // MOZILLA_GFX_X11TEXTUREHOST__H 66