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

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2.4 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_TEXTURECLIENTOGL_H
#define MOZILLA_GFX_TEXTURECLIENTOGL_H
#include "mozilla/layers/TextureClient.h"
#include "ISurfaceAllocator.h" // For IsSurfaceDescriptorValid
namespace mozilla {
namespace layers {
class DeprecatedTextureClientSharedOGL : public DeprecatedTextureClient
{
public:
DeprecatedTextureClientSharedOGL(CompositableForwarder* aForwarder, const TextureInfo& aTextureInfo);
~DeprecatedTextureClientSharedOGL() { ReleaseResources(); }
virtual bool SupportsType(DeprecatedTextureClientType aType) MOZ_OVERRIDE { return aType == TEXTURE_SHARED_GL; }
virtual void EnsureAllocated(gfx::IntSize aSize, gfxASurface::gfxContentType aType);
virtual void ReleaseResources();
virtual gfxASurface::gfxContentType GetContentType() MOZ_OVERRIDE { return gfxASurface::CONTENT_COLOR_ALPHA; }
protected:
gl::GLContext* mGL;
gfx::IntSize mSize;
friend class CompositingFactory;
};
// Doesn't own the surface descriptor, so we shouldn't delete it
class DeprecatedTextureClientSharedOGLExternal : public DeprecatedTextureClientSharedOGL
{
public:
DeprecatedTextureClientSharedOGLExternal(CompositableForwarder* aForwarder, const TextureInfo& aTextureInfo)
: DeprecatedTextureClientSharedOGL(aForwarder, aTextureInfo)
{}
virtual bool SupportsType(DeprecatedTextureClientType aType) MOZ_OVERRIDE { return aType == TEXTURE_SHARED_GL_EXTERNAL; }
virtual void ReleaseResources() {}
};
class DeprecatedTextureClientStreamOGL : public DeprecatedTextureClient
{
public:
DeprecatedTextureClientStreamOGL(CompositableForwarder* aForwarder, const TextureInfo& aTextureInfo)
: DeprecatedTextureClient(aForwarder, aTextureInfo)
{}
~DeprecatedTextureClientStreamOGL() { ReleaseResources(); }
virtual bool SupportsType(DeprecatedTextureClientType aType) MOZ_OVERRIDE { return aType == TEXTURE_STREAM_GL; }
virtual void EnsureAllocated(gfx::IntSize aSize, gfxASurface::gfxContentType aType) { }
virtual void ReleaseResources() { mDescriptor = SurfaceDescriptor(); }
virtual gfxASurface::gfxContentType GetContentType() MOZ_OVERRIDE { return gfxASurface::CONTENT_COLOR_ALPHA; }
};
} // namespace
} // namespace
#endif