#include "lib_webgpu.h"
#include <assert.h>

// The initializers below omit fields that are intended to default-initialize to zero.
// Ignore Clang warnings about those.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-field-initializers"
#pragma clang diagnostic ignored "-Wmissing-designated-field-initializers"
#endif

extern "C" {

const char *wgpu_compilation_message_type_to_string(WGPU_COMPILATION_MESSAGE_TYPE type)
{
  return type == WGPU_COMPILATION_MESSAGE_TYPE_WARNING ? "warning"
        : (type == WGPU_COMPILATION_MESSAGE_TYPE_INFO ? "info" : "error");
}

int wgpu_vertex_format_channel_count(WGPU_VERTEX_FORMAT format)
{
  switch(format)
  {
  case WGPU_VERTEX_FORMAT_UINT8:
  case WGPU_VERTEX_FORMAT_SINT8:
  case WGPU_VERTEX_FORMAT_UNORM8:
  case WGPU_VERTEX_FORMAT_SNORM8:
  case WGPU_VERTEX_FORMAT_UINT16:
  case WGPU_VERTEX_FORMAT_SINT16:
  case WGPU_VERTEX_FORMAT_UNORM16:
  case WGPU_VERTEX_FORMAT_SNORM16:
  case WGPU_VERTEX_FORMAT_FLOAT16:
  case WGPU_VERTEX_FORMAT_FLOAT32:
  case WGPU_VERTEX_FORMAT_UINT32:
  case WGPU_VERTEX_FORMAT_SINT32:
    return 1;

  case WGPU_VERTEX_FORMAT_UINT8X2:
  case WGPU_VERTEX_FORMAT_SINT8X2:
  case WGPU_VERTEX_FORMAT_UNORM8X2:
  case WGPU_VERTEX_FORMAT_SNORM8X2:
  case WGPU_VERTEX_FORMAT_UINT16X2:
  case WGPU_VERTEX_FORMAT_SINT16X2:
  case WGPU_VERTEX_FORMAT_UNORM16X2:
  case WGPU_VERTEX_FORMAT_SNORM16X2:
  case WGPU_VERTEX_FORMAT_FLOAT16X2:
  case WGPU_VERTEX_FORMAT_FLOAT32X2:
  case WGPU_VERTEX_FORMAT_UINT32X2:
  case WGPU_VERTEX_FORMAT_SINT32X2:
    return 2;

  case WGPU_VERTEX_FORMAT_FLOAT32X3:
  case WGPU_VERTEX_FORMAT_UINT32X3:
  case WGPU_VERTEX_FORMAT_SINT32X3:
    return 3;

  case WGPU_VERTEX_FORMAT_UINT8X4:
  case WGPU_VERTEX_FORMAT_SINT8X4:
  case WGPU_VERTEX_FORMAT_UNORM8X4:
  case WGPU_VERTEX_FORMAT_SNORM8X4:
  case WGPU_VERTEX_FORMAT_UINT16X4:
  case WGPU_VERTEX_FORMAT_SINT16X4:
  case WGPU_VERTEX_FORMAT_UNORM16X4:
  case WGPU_VERTEX_FORMAT_SNORM16X4:
  case WGPU_VERTEX_FORMAT_FLOAT16X4:
  case WGPU_VERTEX_FORMAT_FLOAT32X4:
  case WGPU_VERTEX_FORMAT_UINT32X4:
  case WGPU_VERTEX_FORMAT_SINT32X4:
  case WGPU_VERTEX_FORMAT_UNORM10_10_10_2:
  case WGPU_VERTEX_FORMAT_UNORM8X4_BGRA:
    return 4;

  default:
    return 0;
  }
}

int wgpu_vertex_format_byte_size(WGPU_VERTEX_FORMAT format)
{
  switch(format)
  {
    case WGPU_VERTEX_FORMAT_UINT8:
    case WGPU_VERTEX_FORMAT_SINT8:
    case WGPU_VERTEX_FORMAT_UNORM8:
    case WGPU_VERTEX_FORMAT_SNORM8:
      return 1;

    case WGPU_VERTEX_FORMAT_UINT8X2:
    case WGPU_VERTEX_FORMAT_SINT8X2:
    case WGPU_VERTEX_FORMAT_UNORM8X2:
    case WGPU_VERTEX_FORMAT_SNORM8X2:
    case WGPU_VERTEX_FORMAT_UINT16:
    case WGPU_VERTEX_FORMAT_SINT16:
    case WGPU_VERTEX_FORMAT_UNORM16:
    case WGPU_VERTEX_FORMAT_SNORM16:
    case WGPU_VERTEX_FORMAT_FLOAT16:
      return 2;

    case WGPU_VERTEX_FORMAT_UINT8X4:
    case WGPU_VERTEX_FORMAT_SINT8X4:
    case WGPU_VERTEX_FORMAT_UNORM8X4:
    case WGPU_VERTEX_FORMAT_SNORM8X4:
    case WGPU_VERTEX_FORMAT_UINT16X2:
    case WGPU_VERTEX_FORMAT_SINT16X2:
    case WGPU_VERTEX_FORMAT_UNORM16X2:
    case WGPU_VERTEX_FORMAT_SNORM16X2:
    case WGPU_VERTEX_FORMAT_FLOAT16X2:
    case WGPU_VERTEX_FORMAT_FLOAT32:
    case WGPU_VERTEX_FORMAT_UINT32:
    case WGPU_VERTEX_FORMAT_SINT32:
    case WGPU_VERTEX_FORMAT_UNORM10_10_10_2:
    case WGPU_VERTEX_FORMAT_UNORM8X4_BGRA:
      return 4;

    case WGPU_VERTEX_FORMAT_UINT16X4:
    case WGPU_VERTEX_FORMAT_SINT16X4:
    case WGPU_VERTEX_FORMAT_UNORM16X4:
    case WGPU_VERTEX_FORMAT_SNORM16X4:
    case WGPU_VERTEX_FORMAT_FLOAT16X4:
    case WGPU_VERTEX_FORMAT_FLOAT32X2:
    case WGPU_VERTEX_FORMAT_UINT32X2:
    case WGPU_VERTEX_FORMAT_SINT32X2:
      return 8;

    case WGPU_VERTEX_FORMAT_FLOAT32X3:
    case WGPU_VERTEX_FORMAT_UINT32X3:
    case WGPU_VERTEX_FORMAT_SINT32X3:
      return 12;

    case WGPU_VERTEX_FORMAT_FLOAT32X4:
    case WGPU_VERTEX_FORMAT_UINT32X4:
    case WGPU_VERTEX_FORMAT_SINT32X4:
      return 16;

    default:
      return 0;
  }
}

WGPU_BOOL wgpu_vertex_format_is_unorm(WGPU_VERTEX_FORMAT format)
{
  return format == WGPU_VERTEX_FORMAT_UNORM10_10_10_2
      || format == WGPU_VERTEX_FORMAT_UNORM8X4_BGRA
      || format == WGPU_VERTEX_FORMAT_UNORM16
      || format == WGPU_VERTEX_FORMAT_UNORM16X2
      || format == WGPU_VERTEX_FORMAT_UNORM16X4
      || format == WGPU_VERTEX_FORMAT_UNORM8
      || format == WGPU_VERTEX_FORMAT_UNORM8X2
      || format == WGPU_VERTEX_FORMAT_UNORM8X4;
}

const char *wgpu_vertex_format_to_string(WGPU_VERTEX_FORMAT format)
{
  switch(format)
  {
  case WGPU_VERTEX_FORMAT_INVALID: return "WGPU_VERTEX_FORMAT_INVALID";
  case WGPU_VERTEX_FORMAT_UINT8: return "WGPU_VERTEX_FORMAT_UINT8";
  case WGPU_VERTEX_FORMAT_UINT8X2: return "WGPU_VERTEX_FORMAT_UINT8X2";
  case WGPU_VERTEX_FORMAT_UINT8X4: return "WGPU_VERTEX_FORMAT_UINT8X4";
  case WGPU_VERTEX_FORMAT_SINT8: return "WGPU_VERTEX_FORMAT_SINT8";
  case WGPU_VERTEX_FORMAT_SINT8X2: return "WGPU_VERTEX_FORMAT_SINT8X2";
  case WGPU_VERTEX_FORMAT_SINT8X4: return "WGPU_VERTEX_FORMAT_SINT8X4";
  case WGPU_VERTEX_FORMAT_UNORM8: return "WGPU_VERTEX_FORMAT_UNORM8";
  case WGPU_VERTEX_FORMAT_UNORM8X2: return "WGPU_VERTEX_FORMAT_UNORM8X2";
  case WGPU_VERTEX_FORMAT_UNORM8X4: return "WGPU_VERTEX_FORMAT_UNORM8X4";
  case WGPU_VERTEX_FORMAT_SNORM8: return "WGPU_VERTEX_FORMAT_SNORM8";
  case WGPU_VERTEX_FORMAT_SNORM8X2: return "WGPU_VERTEX_FORMAT_SNORM8X2";
  case WGPU_VERTEX_FORMAT_SNORM8X4: return "WGPU_VERTEX_FORMAT_SNORM8X4";
  case WGPU_VERTEX_FORMAT_UINT16: return "WGPU_VERTEX_FORMAT_UINT16";
  case WGPU_VERTEX_FORMAT_UINT16X2: return "WGPU_VERTEX_FORMAT_UINT16X2";
  case WGPU_VERTEX_FORMAT_UINT16X4: return "WGPU_VERTEX_FORMAT_UINT16X4";
  case WGPU_VERTEX_FORMAT_SINT16: return "WGPU_VERTEX_FORMAT_SINT16";
  case WGPU_VERTEX_FORMAT_SINT16X2: return "WGPU_VERTEX_FORMAT_SINT16X2";
  case WGPU_VERTEX_FORMAT_SINT16X4: return "WGPU_VERTEX_FORMAT_SINT16X4";
  case WGPU_VERTEX_FORMAT_UNORM16: return "WGPU_VERTEX_FORMAT_UNORM16";
  case WGPU_VERTEX_FORMAT_UNORM16X2: return "WGPU_VERTEX_FORMAT_UNORM16X2";
  case WGPU_VERTEX_FORMAT_UNORM16X4: return "WGPU_VERTEX_FORMAT_UNORM16X4";
  case WGPU_VERTEX_FORMAT_SNORM16: return "WGPU_VERTEX_FORMAT_SNORM16";
  case WGPU_VERTEX_FORMAT_SNORM16X2: return "WGPU_VERTEX_FORMAT_SNORM16X2";
  case WGPU_VERTEX_FORMAT_SNORM16X4: return "WGPU_VERTEX_FORMAT_SNORM16X4";
  case WGPU_VERTEX_FORMAT_FLOAT16: return "WGPU_VERTEX_FORMAT_FLOAT16";
  case WGPU_VERTEX_FORMAT_FLOAT16X2: return "WGPU_VERTEX_FORMAT_FLOAT16X2";
  case WGPU_VERTEX_FORMAT_FLOAT16X4: return "WGPU_VERTEX_FORMAT_FLOAT16X4";
  case WGPU_VERTEX_FORMAT_FLOAT32: return "WGPU_VERTEX_FORMAT_FLOAT32";
  case WGPU_VERTEX_FORMAT_FLOAT32X2: return "WGPU_VERTEX_FORMAT_FLOAT32X2";
  case WGPU_VERTEX_FORMAT_FLOAT32X3: return "WGPU_VERTEX_FORMAT_FLOAT32X3";
  case WGPU_VERTEX_FORMAT_FLOAT32X4: return "WGPU_VERTEX_FORMAT_FLOAT32X4";
  case WGPU_VERTEX_FORMAT_UINT32: return "WGPU_VERTEX_FORMAT_UINT32";
  case WGPU_VERTEX_FORMAT_UINT32X2: return "WGPU_VERTEX_FORMAT_UINT32X2";
  case WGPU_VERTEX_FORMAT_UINT32X3: return "WGPU_VERTEX_FORMAT_UINT32X3";
  case WGPU_VERTEX_FORMAT_UINT32X4: return "WGPU_VERTEX_FORMAT_UINT32X4";
  case WGPU_VERTEX_FORMAT_SINT32: return "WGPU_VERTEX_FORMAT_SINT32";
  case WGPU_VERTEX_FORMAT_SINT32X2: return "WGPU_VERTEX_FORMAT_SINT32X2";
  case WGPU_VERTEX_FORMAT_SINT32X3: return "WGPU_VERTEX_FORMAT_SINT32X3";
  case WGPU_VERTEX_FORMAT_SINT32X4: return "WGPU_VERTEX_FORMAT_SINT32X4";
  case WGPU_VERTEX_FORMAT_UNORM10_10_10_2: return "WGPU_VERTEX_FORMAT_UNORM10_10_10_2";
  case WGPU_VERTEX_FORMAT_UNORM8X4_BGRA: return "WGPU_VERTEX_FORMAT_UNORM8X4_BGRA";
  default: return "<malformed WGPU_VERTEX_FORMAT value>";
  }
}

WGPU_WGSL_ELEMENT_TYPE wgpu_vertex_format_wgsl_element_type(WGPU_VERTEX_FORMAT format)
{
  switch(format)
  {
  case WGPU_VERTEX_FORMAT_UINT8:
  case WGPU_VERTEX_FORMAT_UINT8X2:
  case WGPU_VERTEX_FORMAT_UINT8X4:
  case WGPU_VERTEX_FORMAT_UINT16:
  case WGPU_VERTEX_FORMAT_UINT16X2:
  case WGPU_VERTEX_FORMAT_UINT16X4:
  case WGPU_VERTEX_FORMAT_UINT32:
  case WGPU_VERTEX_FORMAT_UINT32X2:
  case WGPU_VERTEX_FORMAT_UINT32X3:
  case WGPU_VERTEX_FORMAT_UINT32X4:
    return WGPU_WGSL_ELEMENT_TYPE_UINT;

  case WGPU_VERTEX_FORMAT_SINT8:
  case WGPU_VERTEX_FORMAT_SINT8X2:
  case WGPU_VERTEX_FORMAT_SINT8X4:
  case WGPU_VERTEX_FORMAT_SINT16:
  case WGPU_VERTEX_FORMAT_SINT16X2:
  case WGPU_VERTEX_FORMAT_SINT16X4:
  case WGPU_VERTEX_FORMAT_SINT32:
  case WGPU_VERTEX_FORMAT_SINT32X2:
  case WGPU_VERTEX_FORMAT_SINT32X3:
  case WGPU_VERTEX_FORMAT_SINT32X4:
    return WGPU_WGSL_ELEMENT_TYPE_SINT;

  case WGPU_VERTEX_FORMAT_FLOAT16:
  case WGPU_VERTEX_FORMAT_FLOAT16X2:
  case WGPU_VERTEX_FORMAT_FLOAT16X4:
    return WGPU_WGSL_ELEMENT_TYPE_HALF;

  default:
    assert(false && "Invalid WGPU_VERTEX_FORMAT passed to wgpu_vertex_format_wgsl_element_type()!");
    // Fall though to return a default float data type in release builds.
  case WGPU_VERTEX_FORMAT_UNORM8:
  case WGPU_VERTEX_FORMAT_UNORM8X2:
  case WGPU_VERTEX_FORMAT_UNORM8X4:
  case WGPU_VERTEX_FORMAT_UNORM16:
  case WGPU_VERTEX_FORMAT_UNORM16X2:
  case WGPU_VERTEX_FORMAT_UNORM16X4:
  case WGPU_VERTEX_FORMAT_UNORM10_10_10_2:
  case WGPU_VERTEX_FORMAT_UNORM8X4_BGRA:
  case WGPU_VERTEX_FORMAT_SNORM8:
  case WGPU_VERTEX_FORMAT_SNORM8X2:
  case WGPU_VERTEX_FORMAT_SNORM8X4:
  case WGPU_VERTEX_FORMAT_SNORM16:
  case WGPU_VERTEX_FORMAT_SNORM16X2:
  case WGPU_VERTEX_FORMAT_SNORM16X4:
  case WGPU_VERTEX_FORMAT_FLOAT32:
  case WGPU_VERTEX_FORMAT_FLOAT32X2:
  case WGPU_VERTEX_FORMAT_FLOAT32X3:
  case WGPU_VERTEX_FORMAT_FLOAT32X4:
    return WGPU_WGSL_ELEMENT_TYPE_FLOAT;
  }
}

const WGpuRequestAdapterOptions WGPU_REQUEST_ADAPTER_OPTIONS_DEFAULT_INITIALIZER = {
};

const WGpuDeviceDescriptor WGPU_DEVICE_DESCRIPTOR_DEFAULT_INITIALIZER = {
};

const WGpuTextureDescriptor WGPU_TEXTURE_DESCRIPTOR_DEFAULT_INITIALIZER = {
  .height = 1,
  .depthOrArrayLayers = 1,
  .mipLevelCount = 1,
  .sampleCount = 1,
  .dimension = WGPU_TEXTURE_DIMENSION_2D,
  .textureBindingViewDimension = WGPU_TEXTURE_VIEW_DIMENSION_INVALID
};

const WGpuTextureViewDescriptor WGPU_TEXTURE_VIEW_DESCRIPTOR_DEFAULT_INITIALIZER = {
  .aspect = WGPU_TEXTURE_ASPECT_ALL,
  .baseMipLevel = 0,
  .baseArrayLayer = 0,
  .swizzle = "rgba"
};

const WGpuExternalTextureDescriptor WGPU_EXTERNAL_TEXTURE_DESCRIPTOR_DEFAULT_INITIALIZER = {
  .colorSpace = HTML_PREDEFINED_COLOR_SPACE_SRGB
};

const WGpuSamplerDescriptor WGPU_SAMPLER_DESCRIPTOR_DEFAULT_INITIALIZER = {
  .addressModeU = WGPU_ADDRESS_MODE_CLAMP_TO_EDGE,
  .addressModeV = WGPU_ADDRESS_MODE_CLAMP_TO_EDGE,
  .addressModeW = WGPU_ADDRESS_MODE_CLAMP_TO_EDGE,
  .magFilter = WGPU_FILTER_MODE_NEAREST,
  .minFilter = WGPU_FILTER_MODE_NEAREST,
  .mipmapFilter = WGPU_MIPMAP_FILTER_MODE_NEAREST,
  .lodMinClamp = 0,
  .lodMaxClamp = 32,
  .maxAnisotropy = 1
};

const WGpuBindGroupLayoutEntry WGPU_BUFFER_BINDING_LAYOUT_ENTRY_DEFAULT_INITIALIZER = {
};

const WGpuBufferBindingLayout WGPU_BUFFER_BINDING_LAYOUT_DEFAULT_INITIALIZER = {
  .type = WGPU_BUFFER_BINDING_TYPE_UNIFORM,
  .hasDynamicOffset = WGPU_FALSE,
  .minBindingSize = 0
};

const WGpuSamplerBindingLayout WGPU_SAMPLER_BINDING_LAYOUT_DEFAULT_INITIALIZER = {
  .type = WGPU_SAMPLER_BINDING_TYPE_FILTERING
};

const WGpuTextureBindingLayout WGPU_TEXTURE_BINDING_LAYOUT_DEFAULT_INITIALIZER = {
  .sampleType = WGPU_TEXTURE_SAMPLE_TYPE_FLOAT,
  .viewDimension = WGPU_TEXTURE_VIEW_DIMENSION_2D,
};

const WGpuBindGroupEntry WGPU_BIND_GROUP_ENTRY_DEFAULT_INITIALIZER = {
};

const WGpuShaderModuleCompilationHint WGPU_SHADER_MODULE_COMPILATION_HINT_DEFAULT_INITIALIZER = {
};

const WGpuShaderModuleDescriptor WGPU_SHADER_MODULE_DESCRIPTOR_DEFAULT_INITIALIZER = {
};

const WGpuCommandEncoderDescriptor WGPU_COMMAND_ENCODER_DESCRIPTOR_DEFAULT_INITIALIZER = {
};

const WGpuTexelCopyBufferInfo WGPU_TEXEL_COPY_BUFFER_INFO_DEFAULT_INITIALIZER = {};

const WGpuComputePassTimestampWrites WGPU_COMPUTE_PASS_TIMESTAMP_WRITES_DEFAULT_INITIALIZER = {
  .querySet = 0,
  .beginningOfPassWriteIndex = -1,
  .endOfPassWriteIndex = -1
};

const WGpuComputePassDescriptor WGPU_COMPUTE_PASS_DESCRIPTOR_DEFAULT_INITIALIZER = {
  .timestampWrites = WGPU_COMPUTE_PASS_TIMESTAMP_WRITES_DEFAULT_INITIALIZER
};

const WGpuRenderPassDepthStencilAttachment WGPU_RENDER_PASS_DEPTH_STENCIL_ATTACHMENT_DEFAULT_INITIALIZER = {
  .view = 0,

  .depthLoadOp = WGPU_LOAD_OP_UNDEFINED,
  .depthClearValue = (float)WGPU_NAN,
  .depthStoreOp = WGPU_STORE_OP_UNDEFINED,
  .depthReadOnly = false,

  .stencilLoadOp = WGPU_LOAD_OP_UNDEFINED,
  .stencilClearValue = 0,
  .stencilStoreOp = WGPU_STORE_OP_UNDEFINED,
  .stencilReadOnly = false
};

const WGpuRenderBundleEncoderDescriptor WGPU_RENDER_BUNDLE_ENCODER_DESCRIPTOR_DEFAULT_INITIALIZER = {
  .colorFormats = 0,
  .numColorFormats = 0,
  .depthStencilFormat = 0,
  .sampleCount = 1,
  .depthReadOnly = WGPU_FALSE,
  .stencilReadOnly = WGPU_FALSE
};

const WGpuStorageTextureBindingLayout WGPU_STORAGE_TEXTURE_BINDING_LAYOUT_DEFAULT_INITIALIZER = {
  .access = WGPU_STORAGE_TEXTURE_ACCESS_WRITE_ONLY,
  .format = WGPU_TEXTURE_FORMAT_INVALID,
  .viewDimension = WGPU_TEXTURE_VIEW_DIMENSION_2D
};

const WGpuCanvasToneMapping WGPU_CANVAS_TONE_MAPPING_DEFAULT_INITIALIZER = {
  .mode = WGPU_CANVAS_TONE_MAPPING_MODE_STANDARD
};

const WGpuCanvasConfiguration WGPU_CANVAS_CONFIGURATION_DEFAULT_INITIALIZER = {
  .usage = WGPU_TEXTURE_USAGE_RENDER_ATTACHMENT,
  .colorSpace = HTML_PREDEFINED_COLOR_SPACE_SRGB,
  .toneMapping = WGPU_CANVAS_TONE_MAPPING_DEFAULT_INITIALIZER,
  .alphaMode = WGPU_CANVAS_ALPHA_MODE_OPAQUE,
};

const WGpuRenderPassTimestampWrites WGPU_RENDER_PASS_TIMESTAMP_WRITES_DEFAULT_INITIALIZER = {
  .querySet = 0,
  .beginningOfPassWriteIndex = -1,
  .endOfPassWriteIndex = -1
};

const WGpuRenderPassDescriptor WGPU_RENDER_PASS_DESCRIPTOR_DEFAULT_INITIALIZER = {
  .maxDrawCount = 0,
  .colorAttachments = 0,
  .numColorAttachments = 0,
  .depthStencilAttachment = WGPU_RENDER_PASS_DEPTH_STENCIL_ATTACHMENT_DEFAULT_INITIALIZER,
  .occlusionQuerySet = 0,
  .timestampWrites = WGPU_RENDER_PASS_TIMESTAMP_WRITES_DEFAULT_INITIALIZER
};

const WGpuColorTargetState WGPU_COLOR_TARGET_STATE_DEFAULT_INITIALIZER = {
  .blend = WGpuBlendState{
    .color = WGpuBlendComponent {
      .operation = WGPU_BLEND_OPERATION_DISABLED, // Color blending is disabled by default. Set to WGPU_BLEND_OPERATION_ADD to enable.
      .srcFactor = WGPU_BLEND_FACTOR_SRC,
      .dstFactor = WGPU_BLEND_FACTOR_ONE_MINUS_SRC
    },
    .alpha = WGpuBlendComponent {
      .operation = WGPU_BLEND_OPERATION_ADD, // If blending is enabled, default to copying src alpha. (no blend in alpha value)
      .srcFactor = WGPU_BLEND_FACTOR_ONE,
      .dstFactor = WGPU_BLEND_FACTOR_ZERO
    },
  },
  .writeMask = WGPU_COLOR_WRITE_ALL
};

const WGpuRenderPipelineDescriptor WGPU_RENDER_PIPELINE_DESCRIPTOR_DEFAULT_INITIALIZER = {
  .primitive = WGpuPrimitiveState {
    .topology = WGPU_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
    .frontFace = WGPU_FRONT_FACE_CCW,
    .cullMode = WGPU_CULL_MODE_NONE
  },
  .depthStencil = WGpuDepthStencilState {
    .depthCompare = WGPU_COMPARE_FUNCTION_INVALID,
    .stencilReadMask = 0xFFFFFFFFu,
    .stencilWriteMask = 0xFFFFFFFFu,
    .stencilFront = WGpuStencilFaceState {
      .compare = WGPU_COMPARE_FUNCTION_ALWAYS,
      .failOp = WGPU_STENCIL_OPERATION_KEEP,
      .depthFailOp = WGPU_STENCIL_OPERATION_KEEP,
      .passOp = WGPU_STENCIL_OPERATION_KEEP
    },
    .stencilBack = WGpuStencilFaceState {
      .compare = WGPU_COMPARE_FUNCTION_ALWAYS,
      .failOp = WGPU_STENCIL_OPERATION_KEEP,
      .depthFailOp = WGPU_STENCIL_OPERATION_KEEP,
      .passOp = WGPU_STENCIL_OPERATION_KEEP
    },
  },
  .multisample = WGpuMultisampleState {
    .count = 1,
    .mask = 0xFFFFFFFFu,
  },
};

extern const WGpuExtent3D WGPU_EXTENT_3D_DEFAULT_INITIALIZER = {
  .height = 1,
  .depthOrArrayLayers = 1
};

extern const WGpuRenderPassColorAttachment WGPU_RENDER_PASS_COLOR_ATTACHMENT_DEFAULT_INITIALIZER = {
  .depthSlice = -1,
  .storeOp = WGPU_STORE_OP_STORE,
  .loadOp = WGPU_LOAD_OP_LOAD,
  .clearValue = WGpuColor {
    .r = 0.0,
    .g = 0.0,
    .b = 0.0,
    .a = 1.0,
  }
};

extern const WGpuCopyExternalImageSourceInfo WGPU_COPY_EXTERNAL_IMAGE_SOURCE_INFO_DEFAULT_INITIALIZER = {
  .origin = WGpuOrigin2D {
    .x = 0,
    .y = 0
  }
};

extern const WGpuTexelCopyTextureInfo WGPU_TEXEL_COPY_TEXTURE_INFO_DEFAULT_INITIALIZER = {
  .mipLevel = 0,
  .origin = WGpuOrigin3D {
    .x = 0,
    .y = 0,
    .z = 0
  },
  .aspect = WGPU_TEXTURE_ASPECT_ALL
};

extern const WGpuCopyExternalImageDestInfo WGPU_COPY_EXTERNAL_IMAGE_DEST_INFO_DEFAULT_INITIALIZER = {
  .mipLevel = 0,
  .origin = WGpuOrigin3D {
    .x = 0,
    .y = 0,
    .z = 0
  },
  .aspect = WGPU_TEXTURE_ASPECT_ALL,
  .colorSpace = HTML_PREDEFINED_COLOR_SPACE_SRGB,
  .premultipliedAlpha = WGPU_FALSE
};

} // ~extern "C"

#if defined(__clang__)
#pragma clang diagnostic pop
#endif