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/*
* Copyright (C) 2021-2023 Apple Inc. All rights reserved.
*
* 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. AND ITS CONTRIBUTORS ``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 ITS 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 "WebGPUCompositorIntegrationImpl.h"
#if HAVE(WEBGPU_IMPLEMENTATION)
#include "WebGPUConvertToBackingContext.h"
#include <CoreFoundation/CoreFoundation.h>
#include <WebGPU/WebGPUExt.h>
#include <wtf/spi/cocoa/IOSurfaceSPI.h>
namespace WebCore::WebGPU {
CompositorIntegrationImpl::CompositorIntegrationImpl(ConvertToBackingContext& convertToBackingContext)
: m_convertToBackingContext(convertToBackingContext)
{
}
CompositorIntegrationImpl::~CompositorIntegrationImpl() = default;
void CompositorIntegrationImpl::prepareForDisplay(CompletionHandler<void()>&& completionHandler)
{
m_presentationContext->present();
m_onSubmittedWorkScheduledCallback(WTFMove(completionHandler));
}
#if PLATFORM(COCOA)
static RetainPtr<CFNumberRef> toCFNumber(int x)
{
return adoptCF(CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &x));
}
Vector<MachSendRight> CompositorIntegrationImpl::recreateRenderBuffers(int width, int height)
{
m_renderBuffers.clear();
auto createIOSurface = [&]() -> RetainPtr<IOSurfaceRef> {
unsigned bytesPerElement = 4;
unsigned bytesPerPixel = 4;
size_t bytesPerRow = IOSurfaceAlignProperty(kIOSurfaceBytesPerRow, width * bytesPerPixel);
ASSERT(bytesPerRow);
size_t totalBytes = IOSurfaceAlignProperty(kIOSurfaceAllocSize, height * bytesPerRow);
ASSERT(totalBytes);
unsigned pixelFormat = 'BGRA';
auto options = adoptCF(CFDictionaryCreateMutable(kCFAllocatorDefault, 8, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
CFDictionaryAddValue(options.get(), kIOSurfaceWidth, toCFNumber(width).get());
CFDictionaryAddValue(options.get(), kIOSurfaceHeight, toCFNumber(height).get());
CFDictionaryAddValue(options.get(), kIOSurfacePixelFormat, toCFNumber(pixelFormat).get());
CFDictionaryAddValue(options.get(), kIOSurfaceBytesPerElement, toCFNumber(bytesPerElement).get());
CFDictionaryAddValue(options.get(), kIOSurfaceBytesPerRow, toCFNumber(bytesPerRow).get());
CFDictionaryAddValue(options.get(), kIOSurfaceAllocSize, toCFNumber(totalBytes).get());
#if PLATFORM(IOS_FAMILY)
CFDictionaryAddValue(options.get(), kIOSurfaceCacheMode, toCFNumber(kIOMapWriteCombineCache).get());
#endif
CFDictionaryAddValue(options.get(), kIOSurfaceElementHeight, toCFNumber(1).get());
return adoptCF(IOSurfaceCreate(options.get()));
};
static_cast<PresentationContext*>(m_presentationContext.get())->unconfigure();
m_presentationContext->setSize(width, height);
m_renderBuffers.append(createIOSurface());
m_renderBuffers.append(createIOSurface());
{
auto renderBuffers = adoptCF(CFArrayCreateMutable(kCFAllocatorDefault, 2, &kCFTypeArrayCallBacks));
for (auto ioSurface : m_renderBuffers)
CFArrayAppendValue(renderBuffers.get(), ioSurface.get());
m_renderBuffersWereRecreatedCallback(static_cast<CFArrayRef>(renderBuffers));
}
return m_renderBuffers.map([](const auto& renderBuffer) {
return MachSendRight::adopt(IOSurfaceCreateMachPort(renderBuffer.get()));
});
}
#endif
} // namespace WebCore::WebGPU
#endif // HAVE(WEBGPU_IMPLEMENTATION)
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