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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 "GPUTexture.h"
#include "GPUDevice.h"
#include "GPUTextureDescriptor.h"
#include "GPUTextureView.h"
#include "GPUTextureViewDescriptor.h"
#include "WebGPUTextureViewDescriptor.h"
namespace WebCore {
template<int dimension>
static uint32_t getDimension(auto& extent3D)
{
static_assert(dimension >= 0 && dimension <= 2, "dimension must be 0, 1, or 2");
return WTF::switchOn(extent3D, [&](const Vector<GPUIntegerCoordinate>& vector) {
return dimension <vector.size() ? vector[dimension] : 1;
}, [&](const GPUExtent3DDict& extent3DDict) {
switch (dimension) {
case 0:
return extent3DDict.width;
case 1:
return extent3DDict.height;
case 2:
return extent3DDict.depthOrArrayLayers;
default:
ASSERT_NOT_REACHED();
return 0u;
}
});
}
GPUTexture::GPUTexture(Ref<WebGPU::Texture>&& backing, const GPUTextureDescriptor& descriptor, const GPUDevice& device)
: m_backing(WTFMove(backing))
, m_format(descriptor.format)
, m_width(getDimension<0>(descriptor.size))
, m_height(getDimension<1>(descriptor.size))
, m_depthOrArrayLayers(getDimension<2>(descriptor.size))
, m_mipLevelCount(descriptor.mipLevelCount)
, m_sampleCount(descriptor.sampleCount)
, m_dimension(descriptor.dimension)
, m_usage(descriptor.usage)
, m_device(device)
{
}
GPUTexture::~GPUTexture() = default;
String GPUTexture::label() const
{
return m_backing->label();
}
void GPUTexture::setLabel(String&& label)
{
m_backing->setLabel(WTFMove(label));
}
static WebGPU::TextureViewDescriptor convertToBacking(const std::optional<GPUTextureViewDescriptor>& textureViewDescriptor)
{
if (!textureViewDescriptor) {
return {
{ },
std::nullopt,
std::nullopt,
WebGPU::TextureAspect::All,
0,
std::nullopt,
0,
std::nullopt
};
}
return textureViewDescriptor->convertToBacking();
}
ExceptionOr<Ref<GPUTextureView>> GPUTexture::createView(const std::optional<GPUTextureViewDescriptor>& textureViewDescriptor) const
{
if (textureViewDescriptor.has_value() && textureViewDescriptor->format.has_value()) {
if (!m_device->isSupportedFormat(*textureViewDescriptor->format))
return Exception { ExceptionCode::TypeError, "Unsupported texture format."_s };
}
return GPUTextureView::create(m_backing->createView(convertToBacking(textureViewDescriptor)));
}
void GPUTexture::destroy()
{
m_backing->destroy();
}
GPUIntegerCoordinateOut GPUTexture::width() const
{
return m_width;
}
GPUIntegerCoordinateOut GPUTexture::height() const
{
return m_height;
}
GPUIntegerCoordinateOut GPUTexture::depthOrArrayLayers() const
{
return m_depthOrArrayLayers;
}
GPUIntegerCoordinateOut GPUTexture::mipLevelCount() const
{
return m_mipLevelCount;
}
GPUSize32Out GPUTexture::sampleCount() const
{
return m_sampleCount;
}
GPUTextureDimension GPUTexture::dimension() const
{
return m_dimension;
}
GPUFlagsConstant GPUTexture::usage() const
{
return m_usage;
}
}
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