gecko/gfx/layers/MacIOSurfaceImage.cpp
Phil Ringnalda ac63c0f4a1 Backed out 3 changesets (bug 972703, bug 889959) for build failures and crashes
CLOSED TREE

Backed out changeset ef3d90780478 (bug 972703)
Backed out changeset 34c95e937671 (bug 889959)
Backed out changeset 5e25912d6696 (bug 889959)
2014-02-16 15:17:01 -08:00

54 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 "MacIOSurfaceImage.h"
#include "mozilla/layers/MacIOSurfaceTextureClientOGL.h"
using namespace mozilla;
using namespace mozilla::layers;
TextureClient*
MacIOSurfaceImage::GetTextureClient()
{
if (!mTextureClient) {
RefPtr<MacIOSurfaceTextureClientOGL> buffer =
new MacIOSurfaceTextureClientOGL(TEXTURE_FLAGS_DEFAULT);
buffer->InitWith(mSurface);
mTextureClient = buffer;
}
return mTextureClient;
}
TemporaryRef<gfx::SourceSurface>
MacIOSurfaceImage::GetAsSourceSurface()
{
mSurface->Lock();
size_t bytesPerRow = mSurface->GetBytesPerRow();
size_t ioWidth = mSurface->GetDevicePixelWidth();
size_t ioHeight = mSurface->GetDevicePixelHeight();
unsigned char* ioData = (unsigned char*)mSurface->GetBaseAddress();
RefPtr<gfx::DataSourceSurface> dataSurface
= gfx::Factory::CreateDataSourceSurface(gfx::IntSize(ioWidth, ioHeight), gfx::SurfaceFormat::B8G8R8A8);
if (!dataSurface)
return nullptr;
gfx::DataSourceSurface::MappedSurface mappedSurface;
if (!dataSurface->Map(gfx::DataSourceSurface::WRITE, &mappedSurface))
return nullptr;
for (size_t i = 0; i < ioHeight; ++i) {
memcpy(mappedSurface.mData + i * mappedSurface.mStride,
ioData + i * bytesPerRow,
ioWidth * 4);
}
dataSurface->Unmap();
mSurface->Unlock();
return dataSurface;
}