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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 "GPUAdapter.h"
#include "Exception.h"
#include "JSDOMPromiseDeferred.h"
#include "JSGPUAdapterInfo.h"
#include "JSGPUDevice.h"
#include <wtf/HashSet.h>
#include <wtf/HashTraits.h>
#include <wtf/SortedArrayMap.h>
namespace WebCore {
String GPUAdapter::name() const
{
return m_backing->name();
}
Ref<GPUSupportedFeatures> GPUAdapter::features() const
{
return GPUSupportedFeatures::create(WebGPU::SupportedFeatures::clone(m_backing->features()));
}
Ref<GPUSupportedLimits> GPUAdapter::limits() const
{
return GPUSupportedLimits::create(WebGPU::SupportedLimits::clone(m_backing->limits()));
}
bool GPUAdapter::isFallbackAdapter() const
{
return m_backing->isFallbackAdapter();
}
static WebGPU::DeviceDescriptor convertToBacking(const std::optional<GPUDeviceDescriptor>& options)
{
if (!options)
return { };
return options->convertToBacking();
}
static GPUFeatureName convertFeatureNameToEnum(const String& stringValue)
{
static constexpr std::pair<ComparableASCIILiteral, GPUFeatureName> mappings[] = {
{ "bgra8unorm-storage"_s, GPUFeatureName::Bgra8unormStorage },
{ "clip-distances"_s, GPUFeatureName::ClipDistances },
{ "depth-clip-control"_s, GPUFeatureName::DepthClipControl },
{ "depth32float-stencil8"_s, GPUFeatureName::Depth32floatStencil8 },
{ "dual-source-blending"_s, GPUFeatureName::DualSourceBlending },
{ "float16-renderable"_s, GPUFeatureName::Float16Renderable },
{ "float32-blendable"_s, GPUFeatureName::Float32Blendable },
{ "float32-filterable"_s, GPUFeatureName::Float32Filterable },
{ "float32-renderable"_s, GPUFeatureName::Float32Renderable },
{ "indirect-first-instance"_s, GPUFeatureName::IndirectFirstInstance },
{ "rg11b10ufloat-renderable"_s, GPUFeatureName::Rg11b10ufloatRenderable },
{ "shader-f16"_s, GPUFeatureName::ShaderF16 },
{ "texture-compression-astc"_s, GPUFeatureName::TextureCompressionAstc },
{ "texture-compression-astc-sliced-3d"_s, GPUFeatureName::TextureCompressionAstcSliced3d },
{ "texture-compression-bc"_s, GPUFeatureName::TextureCompressionBc },
{ "texture-compression-bc-sliced-3d"_s, GPUFeatureName::TextureCompressionBcSliced3d },
{ "texture-compression-etc2"_s, GPUFeatureName::TextureCompressionEtc2 },
{ "timestamp-query"_s, GPUFeatureName::TimestampQuery },
};
static constexpr SortedArrayMap enumerationMapping { mappings };
if (auto* enumerationValue = enumerationMapping.tryGet(stringValue); LIKELY(enumerationValue))
return *enumerationValue;
RELEASE_ASSERT_NOT_REACHED();
}
static bool isSubset(const Vector<GPUFeatureName>& expectedSubset, const Vector<String>& expectedSuperset)
{
HashSet<uint32_t, DefaultHash<uint32_t>, WTF::UnsignedWithZeroKeyHashTraits<uint32_t>> expectedSupersetHashSet;
for (auto& featureName : expectedSuperset)
expectedSupersetHashSet.add(static_cast<uint32_t>(convertFeatureNameToEnum(featureName)));
for (auto& featureName : expectedSubset) {
if (!expectedSupersetHashSet.contains(static_cast<uint32_t>(featureName)))
return false;
}
return true;
}
void GPUAdapter::requestDevice(ScriptExecutionContext& scriptExecutionContext, const std::optional<GPUDeviceDescriptor>& deviceDescriptor, RequestDevicePromise&& promise)
{
auto& existingFeatures = m_backing->features().features();
if (deviceDescriptor && !isSubset(deviceDescriptor->requiredFeatures, existingFeatures)) {
promise.reject(Exception(ExceptionCode::TypeError));
return;
}
m_backing->requestDevice(convertToBacking(deviceDescriptor), [deviceDescriptor, promise = WTFMove(promise), scriptExecutionContextRef = Ref { scriptExecutionContext }](RefPtr<WebGPU::Device>&& device) mutable {
if (!device.get())
promise.reject(Exception(ExceptionCode::OperationError));
else {
auto queueLabel = deviceDescriptor->defaultQueue.label;
Ref<GPUDevice> gpuDevice = GPUDevice::create(scriptExecutionContextRef.ptr(), device.releaseNonNull(), deviceDescriptor ? WTFMove(queueLabel) : ""_s);
gpuDevice->suspendIfNeeded();
promise.resolve(WTFMove(gpuDevice));
}
});
}
Ref<GPUAdapterInfo> GPUAdapter::info()
{
return GPUAdapterInfo::create(name());
}
}
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