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/*
* Copyright (C) 2024 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ImageBufferSkiaUnacceleratedBackend.h"
#if USE(SKIA)
#include "FontRenderOptions.h"
#include "IntRect.h"
#include "PixelBuffer.h"
#include "SkiaSpanExtras.h"
#include <skia/core/SkPixmap.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(ImageBufferSkiaUnacceleratedBackend);
std::unique_ptr<ImageBufferSkiaUnacceleratedBackend> ImageBufferSkiaUnacceleratedBackend::create(const Parameters& parameters, const ImageBufferCreationContext&)
{
IntSize backendSize = calculateSafeBackendSize(parameters);
if (backendSize.isEmpty())
return nullptr;
auto imageInfo = SkImageInfo::MakeN32Premul(backendSize.width(), backendSize.height(), parameters.colorSpace.platformColorSpace());
SkSurfaceProps properties = { 0, FontRenderOptions::singleton().subpixelOrder() };
auto surface = SkSurfaces::Raster(imageInfo, &properties);
if (!surface || !surface->getCanvas())
return nullptr;
return std::unique_ptr<ImageBufferSkiaUnacceleratedBackend>(new ImageBufferSkiaUnacceleratedBackend(parameters, WTFMove(surface)));
}
ImageBufferSkiaUnacceleratedBackend::ImageBufferSkiaUnacceleratedBackend(const Parameters& parameters, sk_sp<SkSurface>&& surface)
: ImageBufferSkiaSurfaceBackend(parameters, WTFMove(surface), RenderingMode::Unaccelerated)
{
}
ImageBufferSkiaUnacceleratedBackend::~ImageBufferSkiaUnacceleratedBackend() = default;
RefPtr<NativeImage> ImageBufferSkiaUnacceleratedBackend::copyNativeImage()
{
SkPixmap pixmap;
if (m_surface->peekPixels(&pixmap))
return NativeImage::create(SkImages::RasterFromPixmapCopy(pixmap));
return nullptr;
}
RefPtr<NativeImage> ImageBufferSkiaUnacceleratedBackend::createNativeImageReference()
{
SkPixmap pixmap;
if (m_surface->peekPixels(&pixmap)) {
return NativeImage::create(SkImages::RasterFromPixmap(pixmap, [](const void*, void* context) {
static_cast<SkSurface*>(context)->unref();
}, SkSafeRef(m_surface.get())));
}
return nullptr;
}
void ImageBufferSkiaUnacceleratedBackend::getPixelBuffer(const IntRect& srcRect, PixelBuffer& destination)
{
SkPixmap pixmap;
if (m_surface->peekPixels(&pixmap))
ImageBufferBackend::getPixelBuffer(srcRect, span(pixmap), destination);
}
void ImageBufferSkiaUnacceleratedBackend::putPixelBuffer(const PixelBuffer& pixelBuffer, const IntRect& srcRect, const IntPoint& destPoint, AlphaPremultiplication destFormat)
{
SkPixmap pixmap;
if (m_surface->peekPixels(&pixmap))
ImageBufferBackend::putPixelBuffer(pixelBuffer, srcRect, destPoint, destFormat, mutableSpan(pixmap));
}
} // namespace WebCore
#endif // USE(SKIA)
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