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RenderTextureHostWrapper.cpp
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RenderTextureHostWrapper.cpp
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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/. */
#include "RenderTextureHostWrapper.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/layers/ImageDataSerializer.h"
#include "mozilla/layers/SourceSurfaceSharedData.h"
#include "mozilla/webrender/RenderThread.h"
namespace mozilla {
namespace wr {
RenderTextureHostWrapper::RenderTextureHostWrapper()
: mInited(false)
, mLocked(false)
{
MOZ_COUNT_CTOR_INHERITED(RenderTextureHostWrapper, RenderTextureHost);
}
RenderTextureHostWrapper::~RenderTextureHostWrapper()
{
MOZ_COUNT_DTOR_INHERITED(RenderTextureHostWrapper, RenderTextureHost);
}
wr::WrExternalImage
RenderTextureHostWrapper::Lock(uint8_t aChannelIndex,
gl::GLContext* aGL,
wr::ImageRendering aRendering)
{
if (!mTextureHost) {
MOZ_ASSERT_UNREACHABLE("unexpected to happen");
return InvalidToWrExternalImage();
}
mLocked = true;
return mTextureHost->Lock(aChannelIndex, aGL, aRendering);
}
void
RenderTextureHostWrapper::Unlock()
{
if (mTextureHost) {
mTextureHost->Unlock();
}
mLocked = false;
}
void
RenderTextureHostWrapper::ClearCachedResources()
{
if (mTextureHost) {
mTextureHost->ClearCachedResources();
}
}
void
RenderTextureHostWrapper::UpdateRenderTextureHost(RenderTextureHost* aTextureHost)
{
MOZ_ASSERT(!mInited || RenderThread::IsInRenderThread());
MOZ_RELEASE_ASSERT(!mLocked);
mInited = true;
mTextureHost = aTextureHost;
}
} // namespace wr
} // namespace mozilla