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113 lines
2.7 KiB
C++
113 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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: mRawData(NULL)
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{
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}
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SourceSurfaceD2D::~SourceSurfaceD2D()
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{
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delete [] mRawData;
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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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// This should only be called once!
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MOZ_ASSERT(!mRawData);
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mRawData = new uint8_t[aSize.height * newStride];
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for (int y = 0; y < aSize.height; y++) {
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memcpy(mRawData + 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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