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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 "WebGPURenderPassDescriptor.h"
#if ENABLE(GPU_PROCESS)
#include "WebGPUConvertFromBackingContext.h"
#include "WebGPUConvertToBackingContext.h"
#include <WebCore/WebGPURenderPassDescriptor.h>
namespace WebKit::WebGPU {
std::optional<RenderPassDescriptor> ConvertToBackingContext::convertToBacking(const WebCore::WebGPU::RenderPassDescriptor& renderPassDescriptor)
{
auto base = convertToBacking(static_cast<const WebCore::WebGPU::ObjectDescriptorBase&>(renderPassDescriptor));
if (!base)
return std::nullopt;
Vector<std::optional<RenderPassColorAttachment>> colorAttachments;
colorAttachments.reserveInitialCapacity(renderPassDescriptor.colorAttachments.size());
for (const auto& colorAttachment : renderPassDescriptor.colorAttachments) {
if (colorAttachment) {
auto backingColorAttachment = convertToBacking(*colorAttachment);
if (!backingColorAttachment)
return std::nullopt;
colorAttachments.uncheckedAppend(WTFMove(*backingColorAttachment));
} else
colorAttachments.uncheckedAppend(std::nullopt);
}
std::optional<RenderPassDepthStencilAttachment> depthStencilAttachment;
if (renderPassDescriptor.depthStencilAttachment) {
depthStencilAttachment = convertToBacking(*renderPassDescriptor.depthStencilAttachment);
if (!depthStencilAttachment)
return std::nullopt;
}
std::optional<WebGPUIdentifier> occlusionQuerySet;
if (renderPassDescriptor.occlusionQuerySet) {
occlusionQuerySet = convertToBacking(*renderPassDescriptor.occlusionQuerySet);
if (!occlusionQuerySet)
return std::nullopt;
}
auto timestampWrites = convertToBacking(renderPassDescriptor.timestampWrites);
if (!timestampWrites)
return std::nullopt;
return { { WTFMove(*base), WTFMove(colorAttachments), WTFMove(depthStencilAttachment), occlusionQuerySet, WTFMove(*timestampWrites) } };
}
std::optional<WebCore::WebGPU::RenderPassDescriptor> ConvertFromBackingContext::convertFromBacking(const RenderPassDescriptor& renderPassDescriptor)
{
auto base = convertFromBacking(static_cast<const ObjectDescriptorBase&>(renderPassDescriptor));
if (!base)
return std::nullopt;
Vector<std::optional<WebCore::WebGPU::RenderPassColorAttachment>> colorAttachments;
colorAttachments.reserveInitialCapacity(renderPassDescriptor.colorAttachments.size());
for (const auto& backingColorAttachment : renderPassDescriptor.colorAttachments) {
if (backingColorAttachment) {
auto colorAttachment = convertFromBacking(*backingColorAttachment);
if (!colorAttachment)
return std::nullopt;
colorAttachments.uncheckedAppend(WTFMove(*colorAttachment));
} else
colorAttachments.uncheckedAppend(std::nullopt);
}
auto depthStencilAttachment = ([&] () -> std::optional<WebCore::WebGPU::RenderPassDepthStencilAttachment> {
if (renderPassDescriptor.depthStencilAttachment)
return convertFromBacking(*renderPassDescriptor.depthStencilAttachment);
return std::nullopt;
})();
if (renderPassDescriptor.depthStencilAttachment && !depthStencilAttachment)
return std::nullopt;
WebCore::WebGPU::QuerySet* occlusionQuerySet = nullptr;
if (renderPassDescriptor.occlusionQuerySet) {
occlusionQuerySet = convertQuerySetFromBacking(renderPassDescriptor.occlusionQuerySet.value());
if (!occlusionQuerySet)
return std::nullopt;
}
auto timestampWrites = convertFromBacking(renderPassDescriptor.timestampWrites);
if (!timestampWrites)
return std::nullopt;
return { { WTFMove(*base), WTFMove(colorAttachments), WTFMove(depthStencilAttachment), occlusionQuerySet, WTFMove(*timestampWrites) } };
}
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
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