gecko-dev/gfx/webrender_bindings/RenderTextureHostWrapper.cpp

78 строки
2.1 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/webrender/RenderThread.h"
namespace mozilla {
namespace wr {
RenderTextureHostWrapper::RenderTextureHostWrapper(
ExternalImageId aExternalImageId)
: mExternalImageId(aExternalImageId) {
MOZ_COUNT_CTOR_INHERITED(RenderTextureHostWrapper, RenderTextureHost);
}
RenderTextureHostWrapper::~RenderTextureHostWrapper() {
MOZ_COUNT_DTOR_INHERITED(RenderTextureHostWrapper, RenderTextureHost);
}
void RenderTextureHostWrapper::EnsureTextureHost() {
if (!mTextureHost) {
mTextureHost = RenderThread::Get()->GetRenderTexture(mExternalImageId);
MOZ_ASSERT(mTextureHost);
if (!mTextureHost) {
gfxCriticalNoteOnce << "Failed to get RenderTextureHost for extId:"
<< AsUint64(mExternalImageId);
}
}
}
wr::WrExternalImage RenderTextureHostWrapper::Lock(
uint8_t aChannelIndex, gl::GLContext* aGL, wr::ImageRendering aRendering) {
EnsureTextureHost();
if (!mTextureHost) {
return InvalidToWrExternalImage();
}
return mTextureHost->Lock(aChannelIndex, aGL, aRendering);
}
void RenderTextureHostWrapper::Unlock() {
if (mTextureHost) {
mTextureHost->Unlock();
}
}
void RenderTextureHostWrapper::ClearCachedResources() {
if (mTextureHost) {
mTextureHost->ClearCachedResources();
}
}
RenderMacIOSurfaceTextureHostOGL*
RenderTextureHostWrapper::AsRenderMacIOSurfaceTextureHostOGL() {
EnsureTextureHost();
if (!mTextureHost) {
return nullptr;
}
return mTextureHost->AsRenderMacIOSurfaceTextureHostOGL();
}
RenderDXGITextureHostOGL*
RenderTextureHostWrapper::AsRenderDXGITextureHostOGL() {
EnsureTextureHost();
if (!mTextureHost) {
return nullptr;
}
return mTextureHost->AsRenderDXGITextureHostOGL();
}
} // namespace wr
} // namespace mozilla