gecko-dev/gfx/2d/SourceSurfaceD2D.cpp

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Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bas Schouten <bschouten@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "SourceSurfaceD2D.h"
#include "Logging.h"
namespace mozilla {
namespace gfx {
SourceSurfaceD2D::SourceSurfaceD2D()
{
}
SourceSurfaceD2D::~SourceSurfaceD2D()
{
}
IntSize
SourceSurfaceD2D::GetSize() const
{
return mSize;
}
SurfaceFormat
SourceSurfaceD2D::GetFormat() const
{
return mFormat;
}
TemporaryRef<DataSourceSurface>
SourceSurfaceD2D::GetDataSurface()
{
return NULL;
}
bool
SourceSurfaceD2D::InitFromData(unsigned char *aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat,
ID2D1RenderTarget *aRT)
{
HRESULT hr;
mFormat = aFormat;
mSize = aSize;
if ((uint32_t)aSize.width > aRT->GetMaximumBitmapSize() ||
(uint32_t)aSize.height > aRT->GetMaximumBitmapSize()) {
int newStride = BytesPerPixel(aFormat) * aSize.width;
mRawData.resize(aSize.height * newStride);
for (int y = 0; y < aSize.height; y++) {
memcpy(&mRawData.front() + y * newStride, aData + y * aStride, newStride);
}
gfxDebug() << "Bitmap does not fit in texture, saving raw data.";
return true;
}
D2D1_BITMAP_PROPERTIES props =
D2D1::BitmapProperties(D2D1::PixelFormat(DXGIFormat(aFormat), AlphaMode(aFormat)));
hr = aRT->CreateBitmap(D2DIntSize(aSize), aData, aStride, props, byRef(mBitmap));
if (FAILED(hr)) {
gfxWarning() << "Failed to create D2D Bitmap for data. Code: " << hr;
return false;
}
return true;
}
bool
SourceSurfaceD2D::InitFromTexture(ID3D10Texture2D *aTexture,
SurfaceFormat aFormat,
ID2D1RenderTarget *aRT)
{
HRESULT hr;
RefPtr<IDXGISurface> surf;
hr = aTexture->QueryInterface((IDXGISurface**)&surf);
if (FAILED(hr)) {
gfxWarning() << "Failed to QI texture to surface. Code: " << hr;
return false;
}
D3D10_TEXTURE2D_DESC desc;
aTexture->GetDesc(&desc);
mSize = IntSize(desc.Width, desc.Height);
mFormat = aFormat;
D2D1_BITMAP_PROPERTIES props =
D2D1::BitmapProperties(D2D1::PixelFormat(DXGIFormat(aFormat), AlphaMode(aFormat)));
hr = aRT->CreateSharedBitmap(IID_IDXGISurface, surf, &props, byRef(mBitmap));
if (FAILED(hr)) {
gfxWarning() << "Failed to create SharedBitmap. Code: " << hr;
return false;
}
return true;
}
}
}