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RenderTextureHost.h
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RenderTextureHost.h
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/* -*- 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_RENDERTEXTUREHOST_H
#define MOZILLA_GFX_RENDERTEXTUREHOST_H
#include "GLConsts.h"
#include "nsISupportsImpl.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/layers/LayersSurfaces.h"
#include "mozilla/RefPtr.h"
#include "mozilla/webrender/webrender_ffi.h" // for wr::ImageRendering
namespace mozilla {
namespace gl {
class GLContext;
}
namespace wr {
class RenderDXGITextureHostOGL;
class RenderBufferTextureHost;
class RenderTextureHostOGL;
void ActivateBindAndTexParameteri(gl::GLContext* aGL, GLenum aActiveTexture,
GLenum aBindTarget, GLuint aBindTexture,
wr::ImageRendering aRendering);
class RenderTextureHost {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RenderTextureHost)
public:
RenderTextureHost();
virtual wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL,
wr::ImageRendering aRendering) = 0;
virtual void Unlock() = 0;
virtual void ClearCachedResources() {}
// Called asynchronouly when corresponding TextureHost's mCompositableCount
// becomes from 0 to 1. For now, it is used only for
// SurfaceTextureHost/RenderAndroidSurfaceTextureHostOGL.
virtual void PrepareForUse() {}
// Called asynchronouly when corresponding TextureHost's mCompositableCount
// becomes 0. For now, it is used only for
// SurfaceTextureHost/RenderAndroidSurfaceTextureHostOGL.
virtual void NotifyNotUsed() {}
virtual RenderDXGITextureHostOGL* AsRenderDXGITextureHostOGL() {
return nullptr;
}
protected:
virtual ~RenderTextureHost();
bool IsFilterUpdateNecessary(wr::ImageRendering aRendering);
wr::ImageRendering mCachedRendering;
};
} // namespace wr
} // namespace mozilla
#endif // MOZILLA_GFX_RENDERTEXTUREHOST_H