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/* -*- 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_MACIOSURFACETEXTUREHOSTOGL_H
#define MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
#include "mozilla/layers/CompositorOGL.h"
#include "mozilla/layers/TextureHostOGL.h"
class MacIOSurface;
namespace mozilla {
namespace layers {
/**
* A texture source meant for use with MacIOSurfaceTextureHostOGL.
*
* It does not own any GL texture, and attaches its shared handle to one of
* the compositor's temporary textures when binding.
*/
class MacIOSurfaceTextureSourceOGL : public TextureSource
, public TextureSourceOGL
{
public:
MacIOSurfaceTextureSourceOGL(CompositorOGL* aCompositor,
MacIOSurface* aSurface);
virtual ~MacIOSurfaceTextureSourceOGL();
virtual const char* Name() const override { return "MacIOSurfaceTextureSourceOGL"; }
virtual TextureSourceOGL* AsSourceOGL() override { return this; }
virtual void BindTexture(GLenum activetex,
gfx::SamplingFilter aSamplingFilter) override;
virtual bool IsValid() const override { return !!gl(); }
virtual gfx::IntSize GetSize() const override;
virtual gfx::SurfaceFormat GetFormat() const override;
virtual GLenum GetTextureTarget() const override { return LOCAL_GL_TEXTURE_RECTANGLE_ARB; }
virtual GLenum GetWrapMode() const override { return LOCAL_GL_CLAMP_TO_EDGE; }
// MacIOSurfaceTextureSourceOGL doesn't own any gl texture
virtual void DeallocateDeviceData() override {}
virtual void SetCompositor(Compositor* aCompositor) override;
gl::GLContext* gl() const;
protected:
RefPtr<CompositorOGL> mCompositor;
RefPtr<MacIOSurface> mSurface;
};
/**
* 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 SetCompositor(Compositor* aCompositor) override;
virtual Compositor* GetCompositor() override { return mCompositor; }
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
{
return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
}
gl::GLContext* gl() const;
virtual gfx::IntSize GetSize() const override;
#ifdef MOZ_LAYERS_HAVE_LOG
virtual const char* Name() override { return "MacIOSurfaceTextureHostOGL"; }
#endif
protected:
GLTextureSource* CreateTextureSourceForPlane(size_t aPlane);
RefPtr<CompositorOGL> mCompositor;
RefPtr<GLTextureSource> mTextureSource;
RefPtr<MacIOSurface> mSurface;
};
} // namespace layers
} // namespace mozilla
#endif // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
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