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