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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "Utility.h"
#include "mozilla/dom/WebGPUBinding.h"
#include "mozilla/webgpu/ffi/wgpu.h"
#include "mozilla/webgpu/WebGPUTypes.h"
namespace mozilla::webgpu {
template <typename E>
void ConvertToExtent3D(const E& aExtent, ffi::WGPUExtent3d* aExtentFFI) {
*aExtentFFI = {};
if (aExtent.IsRangeEnforcedUnsignedLongSequence()) {
const auto& seq = aExtent.GetAsRangeEnforcedUnsignedLongSequence();
aExtentFFI->width = seq.Length() > 0 ? seq[0] : 0;
aExtentFFI->height = seq.Length() > 1 ? seq[1] : 1;
aExtentFFI->depth_or_array_layers = seq.Length() > 2 ? seq[2] : 1;
} else if (aExtent.IsGPUExtent3DDict()) {
const auto& dict = aExtent.GetAsGPUExtent3DDict();
aExtentFFI->width = dict.mWidth;
aExtentFFI->height = dict.mHeight;
aExtentFFI->depth_or_array_layers = dict.mDepthOrArrayLayers;
} else {
MOZ_CRASH("Unexpected extent type");
}
}
void ConvertExtent3DToFFI(const dom::GPUExtent3D& aExtent,
ffi::WGPUExtent3d* aExtentFFI) {
ConvertToExtent3D(aExtent, aExtentFFI);
}
void ConvertExtent3DToFFI(const dom::OwningGPUExtent3D& aExtent,
ffi::WGPUExtent3d* aExtentFFI) {
ConvertToExtent3D(aExtent, aExtentFFI);
}
ffi::WGPUExtent3d ConvertExtent(const dom::GPUExtent3D& aExtent) {
ffi::WGPUExtent3d extent = {};
ConvertToExtent3D(aExtent, &extent);
return extent;
}
ffi::WGPUExtent3d ConvertExtent(const dom::OwningGPUExtent3D& aExtent) {
ffi::WGPUExtent3d extent = {};
ConvertToExtent3D(aExtent, &extent);
return extent;
}
ffi::WGPUCompareFunction ConvertCompareFunction(
const dom::GPUCompareFunction& aCompare) {
// Value of 0 = Undefined is reserved on the C side for "null" semantics.
return ffi::WGPUCompareFunction(UnderlyingValue(aCompare) + 1);
}
ffi::WGPUTextureFormat ConvertTextureFormat(
const dom::GPUTextureFormat& aFormat) {
ffi::WGPUTextureFormat result = {ffi::WGPUTextureFormat_Sentinel};
switch (aFormat) {
case dom::GPUTextureFormat::R8unorm:
result.tag = ffi::WGPUTextureFormat_R8Unorm;
break;
case dom::GPUTextureFormat::R8snorm:
result.tag = ffi::WGPUTextureFormat_R8Snorm;
break;
case dom::GPUTextureFormat::R8uint:
result.tag = ffi::WGPUTextureFormat_R8Uint;
break;
case dom::GPUTextureFormat::R8sint:
result.tag = ffi::WGPUTextureFormat_R8Sint;
break;
case dom::GPUTextureFormat::R16uint:
result.tag = ffi::WGPUTextureFormat_R16Uint;
break;
case dom::GPUTextureFormat::R16sint:
result.tag = ffi::WGPUTextureFormat_R16Sint;
break;
case dom::GPUTextureFormat::R16float:
result.tag = ffi::WGPUTextureFormat_R16Float;
break;
case dom::GPUTextureFormat::Rg8unorm:
result.tag = ffi::WGPUTextureFormat_Rg8Unorm;
break;
case dom::GPUTextureFormat::Rg8snorm:
result.tag = ffi::WGPUTextureFormat_Rg8Snorm;
break;
case dom::GPUTextureFormat::Rg8uint:
result.tag = ffi::WGPUTextureFormat_Rg8Uint;
break;
case dom::GPUTextureFormat::Rg8sint:
result.tag = ffi::WGPUTextureFormat_Rg8Sint;
break;
case dom::GPUTextureFormat::R32uint:
result.tag = ffi::WGPUTextureFormat_R32Uint;
break;
case dom::GPUTextureFormat::R32sint:
result.tag = ffi::WGPUTextureFormat_R32Sint;
break;
case dom::GPUTextureFormat::R32float:
result.tag = ffi::WGPUTextureFormat_R32Float;
break;
case dom::GPUTextureFormat::Rg16uint:
result.tag = ffi::WGPUTextureFormat_Rg16Uint;
break;
case dom::GPUTextureFormat::Rg16sint:
result.tag = ffi::WGPUTextureFormat_Rg16Sint;
break;
case dom::GPUTextureFormat::Rg16float:
result.tag = ffi::WGPUTextureFormat_Rg16Float;
break;
case dom::GPUTextureFormat::Rgba8unorm:
result.tag = ffi::WGPUTextureFormat_Rgba8Unorm;
break;
case dom::GPUTextureFormat::Rgba8unorm_srgb:
result.tag = ffi::WGPUTextureFormat_Rgba8UnormSrgb;
break;
case dom::GPUTextureFormat::Rgba8snorm:
result.tag = ffi::WGPUTextureFormat_Rgba8Snorm;
break;
case dom::GPUTextureFormat::Rgba8uint:
result.tag = ffi::WGPUTextureFormat_Rgba8Uint;
break;
case dom::GPUTextureFormat::Rgba8sint:
result.tag = ffi::WGPUTextureFormat_Rgba8Sint;
break;
case dom::GPUTextureFormat::Bgra8unorm:
result.tag = ffi::WGPUTextureFormat_Bgra8Unorm;
break;
case dom::GPUTextureFormat::Bgra8unorm_srgb:
result.tag = ffi::WGPUTextureFormat_Bgra8UnormSrgb;
break;
case dom::GPUTextureFormat::Rgb9e5ufloat:
result.tag = ffi::WGPUTextureFormat_Rgb9e5Ufloat;
break;
case dom::GPUTextureFormat::Rgb10a2unorm:
result.tag = ffi::WGPUTextureFormat_Rgb10a2Unorm;
break;
case dom::GPUTextureFormat::Rg11b10ufloat:
result.tag = ffi::WGPUTextureFormat_Rg11b10Float;
break;
case dom::GPUTextureFormat::Rg32uint:
result.tag = ffi::WGPUTextureFormat_Rg32Uint;
break;
case dom::GPUTextureFormat::Rg32sint:
result.tag = ffi::WGPUTextureFormat_Rg32Sint;
break;
case dom::GPUTextureFormat::Rg32float:
result.tag = ffi::WGPUTextureFormat_Rg32Float;
break;
case dom::GPUTextureFormat::Rgba16uint:
result.tag = ffi::WGPUTextureFormat_Rgba16Uint;
break;
case dom::GPUTextureFormat::Rgba16sint:
result.tag = ffi::WGPUTextureFormat_Rgba16Sint;
break;
case dom::GPUTextureFormat::Rgba16float:
result.tag = ffi::WGPUTextureFormat_Rgba16Float;
break;
case dom::GPUTextureFormat::Rgba32uint:
result.tag = ffi::WGPUTextureFormat_Rgba32Uint;
break;
case dom::GPUTextureFormat::Rgba32sint:
result.tag = ffi::WGPUTextureFormat_Rgba32Sint;
break;
case dom::GPUTextureFormat::Rgba32float:
result.tag = ffi::WGPUTextureFormat_Rgba32Float;
break;
case dom::GPUTextureFormat::Depth32float:
result.tag = ffi::WGPUTextureFormat_Depth32Float;
break;
case dom::GPUTextureFormat::Bc1_rgba_unorm:
result.tag = ffi::WGPUTextureFormat_Bc1RgbaUnorm;
break;
case dom::GPUTextureFormat::Bc1_rgba_unorm_srgb:
result.tag = ffi::WGPUTextureFormat_Bc1RgbaUnormSrgb;
break;
case dom::GPUTextureFormat::Bc4_r_unorm:
result.tag = ffi::WGPUTextureFormat_Bc4RUnorm;
break;
case dom::GPUTextureFormat::Bc4_r_snorm:
result.tag = ffi::WGPUTextureFormat_Bc4RSnorm;
break;
case dom::GPUTextureFormat::Bc2_rgba_unorm:
result.tag = ffi::WGPUTextureFormat_Bc2RgbaUnorm;
break;
case dom::GPUTextureFormat::Bc2_rgba_unorm_srgb:
result.tag = ffi::WGPUTextureFormat_Bc2RgbaUnormSrgb;
break;
case dom::GPUTextureFormat::Bc3_rgba_unorm:
result.tag = ffi::WGPUTextureFormat_Bc3RgbaUnorm;
break;
case dom::GPUTextureFormat::Bc3_rgba_unorm_srgb:
result.tag = ffi::WGPUTextureFormat_Bc3RgbaUnormSrgb;
break;
case dom::GPUTextureFormat::Bc5_rg_unorm:
result.tag = ffi::WGPUTextureFormat_Bc5RgUnorm;
break;
case dom::GPUTextureFormat::Bc5_rg_snorm:
result.tag = ffi::WGPUTextureFormat_Bc5RgSnorm;
break;
case dom::GPUTextureFormat::Bc6h_rgb_ufloat:
result.tag = ffi::WGPUTextureFormat_Bc6hRgbUfloat;
break;
case dom::GPUTextureFormat::Bc6h_rgb_float:
result.tag = ffi::WGPUTextureFormat_Bc6hRgbFloat;
break;
case dom::GPUTextureFormat::Bc7_rgba_unorm:
result.tag = ffi::WGPUTextureFormat_Bc7RgbaUnorm;
break;
case dom::GPUTextureFormat::Bc7_rgba_unorm_srgb:
result.tag = ffi::WGPUTextureFormat_Bc7RgbaUnormSrgb;
break;
case dom::GPUTextureFormat::Stencil8:
result.tag = ffi::WGPUTextureFormat_Stencil8;
break;
case dom::GPUTextureFormat::Depth16unorm:
result.tag = ffi::WGPUTextureFormat_Depth16Unorm;
break;
case dom::GPUTextureFormat::Depth24plus:
result.tag = ffi::WGPUTextureFormat_Depth24Plus;
break;
case dom::GPUTextureFormat::Depth24plus_stencil8:
result.tag = ffi::WGPUTextureFormat_Depth24PlusStencil8;
break;
case dom::GPUTextureFormat::Depth32float_stencil8:
result.tag = ffi::WGPUTextureFormat_Depth32FloatStencil8;
break;
}
// Clang will check for us that the switch above is exhaustive,
// but not if we add a 'default' case. So, check this here.
MOZ_ASSERT(result.tag != ffi::WGPUTextureFormat_Sentinel,
"unexpected texture format enum");
return result;
}
ffi::WGPUMultisampleState ConvertMultisampleState(
const dom::GPUMultisampleState& aDesc) {
ffi::WGPUMultisampleState desc = {};
desc.count = aDesc.mCount;
desc.mask = aDesc.mMask;
desc.alpha_to_coverage_enabled = aDesc.mAlphaToCoverageEnabled;
return desc;
}
ffi::WGPUBlendComponent ConvertBlendComponent(
const dom::GPUBlendComponent& aDesc) {
ffi::WGPUBlendComponent desc = {};
desc.src_factor = ffi::WGPUBlendFactor(aDesc.mSrcFactor);
desc.dst_factor = ffi::WGPUBlendFactor(aDesc.mDstFactor);
desc.operation = ffi::WGPUBlendOperation(aDesc.mOperation);
return desc;
}
ffi::WGPUStencilFaceState ConvertStencilFaceState(
const dom::GPUStencilFaceState& aDesc) {
ffi::WGPUStencilFaceState desc = {};
desc.compare = ConvertCompareFunction(aDesc.mCompare);
desc.fail_op = ffi::WGPUStencilOperation(aDesc.mFailOp);
desc.depth_fail_op = ffi::WGPUStencilOperation(aDesc.mDepthFailOp);
desc.pass_op = ffi::WGPUStencilOperation(aDesc.mPassOp);
return desc;
}
ffi::WGPUDepthStencilState ConvertDepthStencilState(
const dom::GPUDepthStencilState& aDesc) {
ffi::WGPUDepthStencilState desc = {};
desc.format = ConvertTextureFormat(aDesc.mFormat);
desc.depth_write_enabled = aDesc.mDepthWriteEnabled;
desc.depth_compare = ConvertCompareFunction(aDesc.mDepthCompare);
desc.stencil.front = ConvertStencilFaceState(aDesc.mStencilFront);
desc.stencil.back = ConvertStencilFaceState(aDesc.mStencilBack);
desc.stencil.read_mask = aDesc.mStencilReadMask;
desc.stencil.write_mask = aDesc.mStencilWriteMask;
desc.bias.constant = aDesc.mDepthBias;
desc.bias.slope_scale = aDesc.mDepthBiasSlopeScale;
desc.bias.clamp = aDesc.mDepthBiasClamp;
return desc;
}
} // namespace mozilla::webgpu