Files
tubestation/gfx/layers/client/TextureClientSharedSurface.h

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2.7 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_SHAREDSURFACE_H
#define MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H
#include <cstddef> // for size_t
#include <stdint.h> // for uint32_t, uint8_t, uint64_t
#include "GLContextTypes.h" // for GLContext (ptr only), etc
#include "TextureClient.h"
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
#include "mozilla/RefPtr.h" // for RefPtr, RefCounted
#include "mozilla/gfx/Point.h" // for IntSize
#include "mozilla/gfx/Types.h" // for SurfaceFormat
#include "mozilla/layers/CompositorTypes.h" // for TextureFlags, etc
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor
namespace mozilla {
namespace gl {
class GLContext;
class SharedSurface;
class SurfaceFactory;
} // namespace gl
namespace layers {
class SharedSurfaceTextureClient : public TextureClient
{
protected:
const UniquePtr<gl::SharedSurface> mSurf;
friend class gl::SurfaceFactory;
SharedSurfaceTextureClient(ISurfaceAllocator* aAllocator, TextureFlags aFlags,
UniquePtr<gl::SharedSurface> surf,
gl::SurfaceFactory* factory);
~SharedSurfaceTextureClient();
public:
virtual bool IsAllocated() const override { return true; }
virtual bool Lock(OpenMode) override { return false; }
virtual bool IsLocked() const override { return false; }
virtual bool HasInternalBuffer() const override { return false; }
virtual gfx::SurfaceFormat GetFormat() const override {
return gfx::SurfaceFormat::UNKNOWN;
}
virtual already_AddRefed<TextureClient>
CreateSimilar(TextureFlags, TextureAllocationFlags) const override {
return nullptr;
}
virtual bool AllocateForSurface(gfx::IntSize,
TextureAllocationFlags) override {
MOZ_CRASH("Should never hit this.");
return false;
}
virtual gfx::IntSize GetSize() const override;
virtual bool ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) override;
virtual void SetReleaseFenceHandle(const FenceHandle& aReleaseFenceHandle) override;
virtual FenceHandle GetAndResetReleaseFenceHandle() override;
virtual void SetAcquireFenceHandle(const FenceHandle& aAcquireFenceHandle) override;
virtual const FenceHandle& GetAcquireFenceHandle() const override;
gl::SharedSurface* Surf() const {
return mSurf.get();
}
};
} // namespace layers
} // namespace mozilla
#endif // MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H