зеркало из https://github.com/mozilla/gecko-dev.git
93 строки
2.9 KiB
C++
93 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_RENDERTEXTUREHOST_H
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#define MOZILLA_GFX_RENDERTEXTUREHOST_H
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#include "GLConsts.h"
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#include "nsISupportsImpl.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/layers/LayersSurfaces.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/webrender/webrender_ffi.h" // for wr::ImageRendering
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#include "mozilla/webrender/WebRenderTypes.h"
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namespace mozilla {
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namespace gl {
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class GLContext;
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}
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namespace wr {
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class RenderDXGITextureHostOGL;
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class RenderMacIOSurfaceTextureHostOGL;
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class RenderBufferTextureHost;
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class RenderTextureHostOGL;
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class RenderTextureHostSWGL;
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void ActivateBindAndTexParameteri(gl::GLContext* aGL, GLenum aActiveTexture,
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GLenum aBindTarget, GLuint aBindTexture,
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wr::ImageRendering aRendering);
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class RenderTextureHost {
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RenderTextureHost)
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public:
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RenderTextureHost();
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virtual wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL,
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wr::ImageRendering aRendering);
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virtual void Unlock() {}
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virtual wr::WrExternalImage LockSWGL(uint8_t aChannelIndex, void* aContext,
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wr::ImageRendering aRendering);
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virtual void UnlockSWGL() {}
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virtual void ClearCachedResources() {}
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// Called asynchronouly when corresponding TextureHost's mCompositableCount
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// becomes from 0 to 1. For now, it is used only for
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// SurfaceTextureHost/RenderAndroidSurfaceTextureHostOGL.
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virtual void PrepareForUse() {}
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// Called asynchronouly when corresponding TextureHost's is actually going to
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// be used by WebRender. For now, it is used only for
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// SurfaceTextureHost/RenderAndroidSurfaceTextureHostOGL.
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virtual void NotifyForUse() {}
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// Called asynchronouly when corresponding TextureHost's mCompositableCount
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// becomes 0. For now, it is used only for
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// SurfaceTextureHost/RenderAndroidSurfaceTextureHostOGL.
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virtual void NotifyNotUsed() {}
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// Returns true when RenderTextureHost needs SyncObjectHost::Synchronize()
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// call, before its usage.
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virtual bool SyncObjectNeeded() { return false; }
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virtual RenderDXGITextureHostOGL* AsRenderDXGITextureHostOGL() {
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return nullptr;
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}
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virtual RenderMacIOSurfaceTextureHostOGL*
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AsRenderMacIOSurfaceTextureHostOGL() {
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return nullptr;
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}
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virtual RenderTextureHostSWGL* AsRenderTextureHostSWGL() { return nullptr; }
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protected:
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virtual ~RenderTextureHost();
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bool IsFilterUpdateNecessary(wr::ImageRendering aRendering);
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wr::ImageRendering mCachedRendering;
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};
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} // namespace wr
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} // namespace mozilla
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#endif // MOZILLA_GFX_RENDERTEXTUREHOST_H
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