gfx/layers/MacIOSurfaceImage.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0 2 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "MacIOSurfaceImage.h"
michael@0 7 #include "mozilla/layers/MacIOSurfaceTextureClientOGL.h"
michael@0 8
michael@0 9 using namespace mozilla;
michael@0 10 using namespace mozilla::layers;
michael@0 11
michael@0 12 TextureClient*
michael@0 13 MacIOSurfaceImage::GetTextureClient(CompositableClient* aClient)
michael@0 14 {
michael@0 15 if (!mTextureClient) {
michael@0 16 RefPtr<MacIOSurfaceTextureClientOGL> buffer =
michael@0 17 new MacIOSurfaceTextureClientOGL(TEXTURE_FLAGS_DEFAULT);
michael@0 18 buffer->InitWith(mSurface);
michael@0 19 mTextureClient = buffer;
michael@0 20 }
michael@0 21 return mTextureClient;
michael@0 22 }
michael@0 23
michael@0 24 TemporaryRef<gfx::SourceSurface>
michael@0 25 MacIOSurfaceImage::GetAsSourceSurface()
michael@0 26 {
michael@0 27 mSurface->Lock();
michael@0 28 size_t bytesPerRow = mSurface->GetBytesPerRow();
michael@0 29 size_t ioWidth = mSurface->GetDevicePixelWidth();
michael@0 30 size_t ioHeight = mSurface->GetDevicePixelHeight();
michael@0 31
michael@0 32 unsigned char* ioData = (unsigned char*)mSurface->GetBaseAddress();
michael@0 33
michael@0 34 RefPtr<gfx::DataSourceSurface> dataSurface
michael@0 35 = gfx::Factory::CreateDataSourceSurface(gfx::IntSize(ioWidth, ioHeight), gfx::SurfaceFormat::B8G8R8A8);
michael@0 36 if (!dataSurface)
michael@0 37 return nullptr;
michael@0 38
michael@0 39 gfx::DataSourceSurface::MappedSurface mappedSurface;
michael@0 40 if (!dataSurface->Map(gfx::DataSourceSurface::WRITE, &mappedSurface))
michael@0 41 return nullptr;
michael@0 42
michael@0 43 for (size_t i = 0; i < ioHeight; ++i) {
michael@0 44 memcpy(mappedSurface.mData + i * mappedSurface.mStride,
michael@0 45 ioData + i * bytesPerRow,
michael@0 46 ioWidth * 4);
michael@0 47 }
michael@0 48
michael@0 49 dataSurface->Unmap();
michael@0 50 mSurface->Unlock();
michael@0 51
michael@0 52 return dataSurface;
michael@0 53 }

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