gecko-dev/gfx/layers/opengl/MacIOSurfaceTextureHostOGL.h

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C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_MACIOSURFACETEXTUREHOSTOGL_H
#define MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
#include "mozilla/layers/CompositorOGL.h"
#include "mozilla/layers/TextureHostOGL.h"
#include "mozilla/gfx/2D.h"
#include "MacIOSurfaceHelpers.h"
class MacIOSurface;
namespace mozilla {
namespace layers {
/**
* A TextureHost for shared MacIOSurface
*
* Most of the logic actually happens in MacIOSurfaceTextureSourceOGL.
*/
class MacIOSurfaceTextureHostOGL : public TextureHost
{
public:
MacIOSurfaceTextureHostOGL(TextureFlags aFlags,
const SurfaceDescriptorMacIOSurface& aDescriptor);
virtual ~MacIOSurfaceTextureHostOGL();
// MacIOSurfaceTextureSourceOGL doesn't own any GL texture
virtual void DeallocateDeviceData() override {}
virtual void SetTextureSourceProvider(TextureSourceProvider* aProvider) override;
virtual bool Lock() override;
virtual gfx::SurfaceFormat GetFormat() const override;
virtual gfx::SurfaceFormat GetReadFormat() const override;
virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override
{
aTexture = mTextureSource;
return !!aTexture;
}
virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override
{
RefPtr<gfx::SourceSurface> surf = CreateSourceSurfaceFromMacIOSurface(GetMacIOSurface());
return surf->GetDataSurface();
}
gl::GLContext* gl() const;
virtual gfx::IntSize GetSize() const override;
#ifdef MOZ_LAYERS_HAVE_LOG
virtual const char* Name() override { return "MacIOSurfaceTextureHostOGL"; }
#endif
virtual MacIOSurfaceTextureHostOGL* AsMacIOSurfaceTextureHost() override { return this; }
virtual MacIOSurface* GetMacIOSurface() override { return mSurface; }
virtual void CreateRenderTexture(const wr::ExternalImageId& aExternalImageId) override;
virtual uint32_t NumSubTextures() const override;
virtual void PushResourceUpdates(wr::TransactionBuilder& aResources,
ResourceUpdateOp aOp,
const Range<wr::ImageKey>& aImageKeys,
const wr::ExternalImageId& aExtID) override;
virtual void PushDisplayItems(wr::DisplayListBuilder& aBuilder,
const wr::LayoutRect& aBounds,
const wr::LayoutRect& aClip,
wr::ImageRendering aFilter,
const Range<wr::ImageKey>& aImageKeys) override;
protected:
GLTextureSource* CreateTextureSourceForPlane(size_t aPlane);
RefPtr<GLTextureSource> mTextureSource;
RefPtr<MacIOSurface> mSurface;
};
} // namespace layers
} // namespace mozilla
#endif // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H