зеркало из https://github.com/mozilla/gecko-dev.git
56 строки
1.8 KiB
C++
56 строки
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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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#include "MacIOSurfaceImage.h"
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#include "mozilla/layers/CompositableClient.h"
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#include "mozilla/layers/CompositableForwarder.h"
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#include "mozilla/layers/MacIOSurfaceTextureClientOGL.h"
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using namespace mozilla;
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using namespace mozilla::layers;
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TextureClient*
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MacIOSurfaceImage::GetTextureClient(CompositableClient* aClient)
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{
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if (!mTextureClient) {
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mTextureClient = MacIOSurfaceTextureClientOGL::Create(aClient->GetForwarder(),
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TextureFlags::DEFAULT,
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mSurface);
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}
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return mTextureClient;
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}
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already_AddRefed<gfx::SourceSurface>
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MacIOSurfaceImage::GetAsSourceSurface()
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{
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mSurface->Lock();
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size_t bytesPerRow = mSurface->GetBytesPerRow();
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size_t ioWidth = mSurface->GetDevicePixelWidth();
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size_t ioHeight = mSurface->GetDevicePixelHeight();
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unsigned char* ioData = (unsigned char*)mSurface->GetBaseAddress();
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RefPtr<gfx::DataSourceSurface> dataSurface
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= gfx::Factory::CreateDataSourceSurface(gfx::IntSize(ioWidth, ioHeight), gfx::SurfaceFormat::B8G8R8A8);
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if (NS_WARN_IF(!dataSurface)) {
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return nullptr;
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}
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gfx::DataSourceSurface::MappedSurface mappedSurface;
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if (!dataSurface->Map(gfx::DataSourceSurface::WRITE, &mappedSurface))
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return nullptr;
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for (size_t i = 0; i < ioHeight; ++i) {
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memcpy(mappedSurface.mData + i * mappedSurface.mStride,
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ioData + i * bytesPerRow,
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ioWidth * 4);
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}
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dataSurface->Unmap();
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mSurface->Unlock();
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return dataSurface.forget();
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}
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