The Tor Browser: gfx/layers/basic/TextureClientX11.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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/. */

     6 #ifndef MOZILLA_GFX_TEXTURECLIENT_X11_H

     7 #define MOZILLA_GFX_TEXTURECLIENT_X11_H

     9 #include "mozilla/layers/TextureClient.h"

    10 #include "ISurfaceAllocator.h" // For IsSurfaceDescriptorValid

    11 #include "mozilla/layers/ShadowLayerUtilsX11.h"

    13 namespace mozilla {

    14 namespace layers {

    16 /**

    17  * A TextureClient implementation based on Xlib.

    18  */

    19 class TextureClientX11 : public TextureClient

    20 {

    21  public:

    22   TextureClientX11(gfx::SurfaceFormat format, TextureFlags aFlags = TEXTURE_FLAGS_DEFAULT);

    24   ~TextureClientX11();

    26   // TextureClient

    28   virtual bool IsAllocated() const MOZ_OVERRIDE;

    30   virtual bool ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) MOZ_OVERRIDE;

    32   virtual TextureClientData* DropTextureData() MOZ_OVERRIDE;

    34   virtual gfx::IntSize GetSize() const MOZ_OVERRIDE { return mSize; }

    36   virtual bool Lock(OpenMode aMode) MOZ_OVERRIDE;

    38   virtual void Unlock() MOZ_OVERRIDE;

    40   virtual bool IsLocked() const MOZ_OVERRIDE { return mLocked; }

    42   virtual bool AllocateForSurface(gfx::IntSize aSize, TextureAllocationFlags flags) MOZ_OVERRIDE;

    44   virtual bool CanExposeDrawTarget() const MOZ_OVERRIDE { return true; }

    46   virtual TemporaryRef<gfx::DrawTarget> GetAsDrawTarget() MOZ_OVERRIDE;

    48   virtual gfx::SurfaceFormat GetFormat() const { return mFormat; }

    50   virtual bool HasInternalBuffer() const MOZ_OVERRIDE { return false; }

    52  private:

    53   gfx::SurfaceFormat mFormat;

    54   gfx::IntSize mSize;

    55   RefPtr<gfxXlibSurface> mSurface;

    56   bool mLocked;

    57 };

    59 } // namespace layers

    60 } // namespace mozilla

    62 #endif

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