gecko/gfx/2d/SourceSurfaceD2D.cpp

104 lines
2.3 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 "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()) {
gfxDebug() << "Bitmap does not fit in texture.";
return false;
}
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;
}
}
}