gecko-dev/gfx/layers/basic/TextureClientX11.h

66 lines
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// * This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_TEXTURECLIENT_X11_H
#define MOZILLA_GFX_TEXTURECLIENT_X11_H
#include "mozilla/layers/TextureClient.h"
#include "ISurfaceAllocator.h" // For IsSurfaceDescriptorValid
#include "mozilla/layers/ShadowLayerUtilsX11.h"
namespace mozilla {
namespace layers {
/**
* A TextureClient implementation based on Xlib.
*/
class TextureClientX11 : public TextureClient
{
public:
TextureClientX11(ISurfaceAllocator* aAllocator, gfx::SurfaceFormat format, TextureFlags aFlags = TextureFlags::DEFAULT);
~TextureClientX11();
// TextureClient
virtual bool IsAllocated() const MOZ_OVERRIDE;
virtual bool ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) MOZ_OVERRIDE;
virtual gfx::IntSize GetSize() const MOZ_OVERRIDE { return mSize; }
virtual bool Lock(OpenMode aMode) MOZ_OVERRIDE;
virtual void Unlock() MOZ_OVERRIDE;
virtual bool IsLocked() const MOZ_OVERRIDE { return mLocked; }
virtual bool AllocateForSurface(gfx::IntSize aSize, TextureAllocationFlags flags) MOZ_OVERRIDE;
virtual bool CanExposeDrawTarget() const MOZ_OVERRIDE { return true; }
virtual gfx::DrawTarget* BorrowDrawTarget() MOZ_OVERRIDE;
virtual gfx::SurfaceFormat GetFormat() const { return mFormat; }
virtual bool HasInternalBuffer() const MOZ_OVERRIDE { return false; }
virtual TemporaryRef<TextureClient>
CreateSimilar(TextureFlags aFlags = TextureFlags::DEFAULT,
TextureAllocationFlags aAllocFlags = ALLOC_DEFAULT) const MOZ_OVERRIDE;
private:
gfx::SurfaceFormat mFormat;
gfx::IntSize mSize;
RefPtr<gfxXlibSurface> mSurface;
RefPtr<gfx::DrawTarget> mDrawTarget;
bool mLocked;
};
} // namespace layers
} // namespace mozilla
#endif