gecko-dev/gfx/webrender_bindings/RenderTextureHostWrapper.cpp

61 строка
1.7 KiB
C++

/* -*- 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