michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "MacIOSurfaceImage.h"
michael@0: #include "mozilla/layers/MacIOSurfaceTextureClientOGL.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: using namespace mozilla::layers;
michael@0: 
michael@0: TextureClient*
michael@0: MacIOSurfaceImage::GetTextureClient(CompositableClient* aClient)
michael@0: {
michael@0:   if (!mTextureClient) {
michael@0:     RefPtr<MacIOSurfaceTextureClientOGL> buffer =
michael@0:       new MacIOSurfaceTextureClientOGL(TEXTURE_FLAGS_DEFAULT);
michael@0:     buffer->InitWith(mSurface);
michael@0:     mTextureClient = buffer;
michael@0:   }
michael@0:   return mTextureClient;
michael@0: }
michael@0: 
michael@0: TemporaryRef<gfx::SourceSurface>
michael@0: MacIOSurfaceImage::GetAsSourceSurface()
michael@0: {
michael@0:   mSurface->Lock();
michael@0:   size_t bytesPerRow = mSurface->GetBytesPerRow();
michael@0:   size_t ioWidth = mSurface->GetDevicePixelWidth();
michael@0:   size_t ioHeight = mSurface->GetDevicePixelHeight();
michael@0: 
michael@0:   unsigned char* ioData = (unsigned char*)mSurface->GetBaseAddress();
michael@0: 
michael@0:   RefPtr<gfx::DataSourceSurface> dataSurface
michael@0:     = gfx::Factory::CreateDataSourceSurface(gfx::IntSize(ioWidth, ioHeight), gfx::SurfaceFormat::B8G8R8A8);
michael@0:   if (!dataSurface)
michael@0:     return nullptr;
michael@0: 
michael@0:   gfx::DataSourceSurface::MappedSurface mappedSurface;
michael@0:   if (!dataSurface->Map(gfx::DataSourceSurface::WRITE, &mappedSurface))
michael@0:     return nullptr;
michael@0: 
michael@0:   for (size_t i = 0; i < ioHeight; ++i) {
michael@0:     memcpy(mappedSurface.mData + i * mappedSurface.mStride,
michael@0:            ioData + i * bytesPerRow,
michael@0:            ioWidth * 4);
michael@0:   }
michael@0: 
michael@0:   dataSurface->Unmap();
michael@0:   mSurface->Unlock();
michael@0: 
michael@0:   return dataSurface;
michael@0: }