/* 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 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "Utility.h" #include "mozilla/dom/BindingUtils.h" #include "mozilla/dom/TypedArray.h" #include "mozilla/dom/WebGPUBinding.h" #include "mozilla/webgpu/WebGPUTypes.h" #include "mozilla/webgpu/ffi/wgpu.h" namespace mozilla::webgpu { template 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_Rg11b10Ufloat; 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; case dom::GPUTextureFormat::Astc_4x4_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B4x4; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_4x4_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B4x4; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_5x4_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B5x4; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_5x4_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B5x4; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_5x5_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B5x5; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_5x5_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B5x5; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_6x5_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B6x5; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_6x5_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B6x5; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_6x6_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B6x6; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_6x6_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B6x6; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_8x5_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B8x5; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_8x5_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B8x5; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_8x6_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B8x6; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_8x6_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B8x6; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_8x8_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B8x8; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_8x8_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B8x8; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_10x5_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B10x5; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_10x5_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B10x5; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_10x6_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B10x6; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_10x6_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B10x6; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_10x8_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B10x8; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_10x8_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B10x8; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_10x10_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B10x10; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_10x10_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B10x10; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_12x10_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B12x10; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_12x10_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B12x10; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Astc_12x12_unorm: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B12x12; result.astc.channel = ffi::WGPUAstcChannel_Unorm; break; case dom::GPUTextureFormat::Astc_12x12_unorm_srgb: result.tag = ffi::WGPUTextureFormat_Astc; result.astc.block = ffi::WGPUAstcBlock_B12x12; result.astc.channel = ffi::WGPUAstcChannel_UnormSrgb; break; case dom::GPUTextureFormat::Etc2_rgb8unorm: result.tag = ffi::WGPUTextureFormat_Etc2Rgb8Unorm; break; case dom::GPUTextureFormat::Etc2_rgb8unorm_srgb: result.tag = ffi::WGPUTextureFormat_Etc2Rgb8UnormSrgb; break; case dom::GPUTextureFormat::Etc2_rgb8a1unorm: result.tag = ffi::WGPUTextureFormat_Etc2Rgb8A1Unorm; break; case dom::GPUTextureFormat::Etc2_rgb8a1unorm_srgb: result.tag = ffi::WGPUTextureFormat_Etc2Rgb8A1UnormSrgb; break; case dom::GPUTextureFormat::Etc2_rgba8unorm: result.tag = ffi::WGPUTextureFormat_Etc2Rgba8Unorm; break; case dom::GPUTextureFormat::Etc2_rgba8unorm_srgb: result.tag = ffi::WGPUTextureFormat_Etc2Rgba8UnormSrgb; break; case dom::GPUTextureFormat::Eac_r11unorm: result.tag = ffi::WGPUTextureFormat_EacR11Unorm; break; case dom::GPUTextureFormat::Eac_r11snorm: result.tag = ffi::WGPUTextureFormat_EacR11Snorm; break; case dom::GPUTextureFormat::Eac_rg11unorm: result.tag = ffi::WGPUTextureFormat_EacRg11Unorm; break; case dom::GPUTextureFormat::Eac_rg11snorm: result.tag = ffi::WGPUTextureFormat_EacRg11Snorm; break; case dom::GPUTextureFormat::Rgb10a2uint: result.tag = ffi::WGPUTextureFormat_Rgb10a2Uint; 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_RELEASE_ASSERT(result.tag != ffi::WGPUTextureFormat_Sentinel, "unexpected texture format enum"); return result; } ffi::WGPUTextureAspect ConvertTextureAspect( const dom::GPUTextureAspect& aAspect) { ffi::WGPUTextureAspect result = ffi::WGPUTextureAspect_Sentinel; switch (aAspect) { case dom::GPUTextureAspect::All: result = ffi::WGPUTextureAspect_All; break; case dom::GPUTextureAspect::Depth_only: result = ffi::WGPUTextureAspect_DepthOnly; break; case dom::GPUTextureAspect::Stencil_only: result = ffi::WGPUTextureAspect_StencilOnly; 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_RELEASE_ASSERT(result != ffi::WGPUTextureAspect_Sentinel, "unexpected texture aspect enum"); return result; } ffi::WGPUVertexFormat ConvertVertexFormat(const dom::GPUVertexFormat& aFormat) { ffi::WGPUVertexFormat result = ffi::WGPUVertexFormat_Sentinel; switch (aFormat) { case dom::GPUVertexFormat::Uint8: result = ffi::WGPUVertexFormat_Uint8; break; case dom::GPUVertexFormat::Uint8x2: result = ffi::WGPUVertexFormat_Uint8x2; break; case dom::GPUVertexFormat::Uint8x4: result = ffi::WGPUVertexFormat_Uint8x4; break; case dom::GPUVertexFormat::Sint8: result = ffi::WGPUVertexFormat_Sint8; break; case dom::GPUVertexFormat::Sint8x2: result = ffi::WGPUVertexFormat_Sint8x2; break; case dom::GPUVertexFormat::Sint8x4: result = ffi::WGPUVertexFormat_Sint8x4; break; case dom::GPUVertexFormat::Unorm8: result = ffi::WGPUVertexFormat_Unorm8; break; case dom::GPUVertexFormat::Unorm8x2: result = ffi::WGPUVertexFormat_Unorm8x2; break; case dom::GPUVertexFormat::Unorm8x4: result = ffi::WGPUVertexFormat_Unorm8x4; break; case dom::GPUVertexFormat::Snorm8: result = ffi::WGPUVertexFormat_Snorm8; break; case dom::GPUVertexFormat::Snorm8x2: result = ffi::WGPUVertexFormat_Snorm8x2; break; case dom::GPUVertexFormat::Snorm8x4: result = ffi::WGPUVertexFormat_Snorm8x4; break; case dom::GPUVertexFormat::Uint16: result = ffi::WGPUVertexFormat_Uint16; break; case dom::GPUVertexFormat::Uint16x2: result = ffi::WGPUVertexFormat_Uint16x2; break; case dom::GPUVertexFormat::Uint16x4: result = ffi::WGPUVertexFormat_Uint16x4; break; case dom::GPUVertexFormat::Sint16: result = ffi::WGPUVertexFormat_Sint16; break; case dom::GPUVertexFormat::Sint16x2: result = ffi::WGPUVertexFormat_Sint16x2; break; case dom::GPUVertexFormat::Sint16x4: result = ffi::WGPUVertexFormat_Sint16x4; break; case dom::GPUVertexFormat::Unorm16: result = ffi::WGPUVertexFormat_Unorm16; break; case dom::GPUVertexFormat::Unorm16x2: result = ffi::WGPUVertexFormat_Unorm16x2; break; case dom::GPUVertexFormat::Unorm16x4: result = ffi::WGPUVertexFormat_Unorm16x4; break; case dom::GPUVertexFormat::Snorm16: result = ffi::WGPUVertexFormat_Snorm16; break; case dom::GPUVertexFormat::Snorm16x2: result = ffi::WGPUVertexFormat_Snorm16x2; break; case dom::GPUVertexFormat::Snorm16x4: result = ffi::WGPUVertexFormat_Snorm16x4; break; case dom::GPUVertexFormat::Float16: result = ffi::WGPUVertexFormat_Float16; break; case dom::GPUVertexFormat::Float16x2: result = ffi::WGPUVertexFormat_Float16x2; break; case dom::GPUVertexFormat::Float16x4: result = ffi::WGPUVertexFormat_Float16x4; break; case dom::GPUVertexFormat::Float32: result = ffi::WGPUVertexFormat_Float32; break; case dom::GPUVertexFormat::Float32x2: result = ffi::WGPUVertexFormat_Float32x2; break; case dom::GPUVertexFormat::Float32x3: result = ffi::WGPUVertexFormat_Float32x3; break; case dom::GPUVertexFormat::Float32x4: result = ffi::WGPUVertexFormat_Float32x4; break; case dom::GPUVertexFormat::Uint32: result = ffi::WGPUVertexFormat_Uint32; break; case dom::GPUVertexFormat::Uint32x2: result = ffi::WGPUVertexFormat_Uint32x2; break; case dom::GPUVertexFormat::Uint32x3: result = ffi::WGPUVertexFormat_Uint32x3; break; case dom::GPUVertexFormat::Uint32x4: result = ffi::WGPUVertexFormat_Uint32x4; break; case dom::GPUVertexFormat::Sint32: result = ffi::WGPUVertexFormat_Sint32; break; case dom::GPUVertexFormat::Sint32x2: result = ffi::WGPUVertexFormat_Sint32x2; break; case dom::GPUVertexFormat::Sint32x3: result = ffi::WGPUVertexFormat_Sint32x3; break; case dom::GPUVertexFormat::Sint32x4: result = ffi::WGPUVertexFormat_Sint32x4; break; case dom::GPUVertexFormat::Unorm10_10_10_2: result = ffi::WGPUVertexFormat_Unorm10_10_10_2; break; case dom::GPUVertexFormat::Unorm8x4_bgra: result = ffi::WGPUVertexFormat_Unorm8x4Bgra; 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_RELEASE_ASSERT(result != ffi::WGPUVertexFormat_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); if (aDesc.mDepthWriteEnabled.WasPassed()) { desc.depth_write_enabled.tag = ffi::WGPUFfiOption_bool_Some_bool; desc.depth_write_enabled.some = aDesc.mDepthWriteEnabled.Value(); } else { desc.depth_write_enabled.tag = ffi::WGPUFfiOption_bool_None_bool; } if (aDesc.mDepthCompare.WasPassed()) { desc.depth_compare.tag = ffi::WGPUFfiOption_CompareFunction_Some_CompareFunction; desc.depth_compare.some = ConvertCompareFunction(aDesc.mDepthCompare.Value()); } else { desc.depth_compare.tag = ffi::WGPUFfiOption_CompareFunction_None_CompareFunction; } 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; } ffi::WGPUPredefinedColorSpace ConvertPredefinedColorSpace( const dom::PredefinedColorSpace& aColorSpace) { ffi::WGPUPredefinedColorSpace result = ffi::WGPUPredefinedColorSpace_Sentinel; switch (aColorSpace) { case dom::PredefinedColorSpace::Srgb: result = ffi::WGPUPredefinedColorSpace_Srgb; break; case dom::PredefinedColorSpace::Display_p3: result = ffi::WGPUPredefinedColorSpace_DisplayP3; 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_RELEASE_ASSERT(result != ffi::WGPUPredefinedColorSpace_Sentinel, "unexpected predefined color space enum"); return result; } // Extract a list of dynamic offsets from a larger JS-supplied buffer. // Used by implementions of the `setBindGroup` method of the spec's // `GPUBindingCommandsMixin`. // // If the given start/length are out of bounds, sets a // `RangeError` in `aRv` and returns `Nothing`. mozilla::Maybe> GetDynamicOffsetsFromArray( const dom::Uint32Array& aDynamicOffsetsData, uint64_t aDynamicOffsetsDataStart, uint64_t aDynamicOffsetsDataLength, ErrorResult& aRv) { auto dynamicOffsets = aDynamicOffsetsData.CreateFromData>( [&](const size_t& aLength) -> mozilla::Maybe> { auto checkedLength = CheckedInt(aDynamicOffsetsDataStart) + aDynamicOffsetsDataLength; if (!checkedLength.isValid() || checkedLength.value() > aLength) { return mozilla::Nothing(); } else { return mozilla::Some(std::make_pair(aDynamicOffsetsDataStart, aDynamicOffsetsDataLength)); } }); if (dynamicOffsets.isNothing()) { aRv.ThrowRangeError( "dynamicOffsetsDataStart/Length"); } return dynamicOffsets; } namespace ffi { // Validate that the texture format `aFormat` is a valid value for the WebIDL // `GPUTextureFormat` type (i.e., that it is not a wgpu extension). extern "C" bool wgpu_texture_format_is_valid_for_webidl( const nsCString* aFormat) { Maybe format = mozilla::dom::StringToEnum(*aFormat); return format.isSome(); } } // namespace ffi } // namespace mozilla::webgpu