#define WGPU_ARRAY_LAYER_COUNT_UNDEFINED (0xffffffffUL)
#define WGPU_COPY_STRIDE_UNDEFINED (0xffffffffUL)
#define WGPU_LIMIT_U32_UNDEFINED (0xffffffffUL)
#define WGPU_LIMIT_U64_UNDEFINED (0xffffffffffffffffULL)
#define WGPU_MIP_LEVEL_COUNT_UNDEFINED (0xffffffffUL)
#define WGPU_STRIDE_UNDEFINED (0xffffffffUL)
#define WGPU_WHOLE_MAP_SIZE SIZE_MAX
#define WGPU_WHOLE_SIZE (0xffffffffffffffffULL)

typedef uint32_t WGPUFlags;

typedef struct WGPUChainedStruct {
    struct WGPUChainedStruct const * next;
    WGPUSType sType;
} WGPUChainedStruct;

typedef struct WGPUChainedStructOut {
    struct WGPUChainedStructOut * next;
    WGPUSType sType;
} WGPUChainedStructOut;




typedef struct WGPUCommandBufferDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
} WGPUCommandBufferDescriptor;

typedef struct WGPUCommandEncoderDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
} WGPUCommandEncoderDescriptor;

typedef struct WGPUDawnCacheDeviceDescriptor {
    WGPUChainedStruct chain;
    char const * isolationKey;
} WGPUDawnCacheDeviceDescriptor;

typedef struct WGPUDawnEncoderInternalUsageDescriptor {
    WGPUChainedStruct chain;
    bool useInternalUsages;
} WGPUDawnEncoderInternalUsageDescriptor;

typedef struct WGPUDawnInstanceDescriptor {
    WGPUChainedStruct chain;
    uint32_t additionalRuntimeSearchPathsCount;
    const char* const * additionalRuntimeSearchPaths;
} WGPUDawnInstanceDescriptor;

typedef struct WGPUDawnTextureInternalUsageDescriptor {
    WGPUChainedStruct chain;
    WGPUTextureUsageFlags internalUsage;
} WGPUDawnTextureInternalUsageDescriptor;

typedef struct WGPUDawnTogglesDeviceDescriptor {
    WGPUChainedStruct chain;
    uint32_t forceEnabledTogglesCount;
    const char* const * forceEnabledToggles;
    uint32_t forceDisabledTogglesCount;
    const char* const * forceDisabledToggles;
} WGPUDawnTogglesDeviceDescriptor;

typedef struct WGPUExternalTextureDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    WGPUTextureView plane0;
    WGPUTextureView plane1;
    WGPUPredefinedColorSpace colorSpace;
} WGPUExternalTextureDescriptor;

typedef struct WGPUPipelineLayoutDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    uint32_t bindGroupLayoutCount;
    WGPUBindGroupLayout const * bindGroupLayouts;
} WGPUPipelineLayoutDescriptor;

typedef struct WGPUQuerySetDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    WGPUQueryType type;
    uint32_t count;
    WGPUPipelineStatisticName const * pipelineStatistics;
    uint32_t pipelineStatisticsCount;
} WGPUQuerySetDescriptor;

typedef struct WGPURenderBundleDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
} WGPURenderBundleDescriptor;

typedef struct WGPURenderBundleEncoderDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    uint32_t colorFormatsCount;
    WGPUTextureFormat const * colorFormats;
    WGPUTextureFormat depthStencilFormat;
    uint32_t sampleCount;
    bool depthReadOnly;
    bool stencilReadOnly;
} WGPURenderBundleEncoderDescriptor;

typedef struct WGPUSamplerDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    WGPUAddressMode addressModeU;
    WGPUAddressMode addressModeV;
    WGPUAddressMode addressModeW;
    WGPUFilterMode magFilter;
    WGPUFilterMode minFilter;
    WGPUFilterMode mipmapFilter;
    float lodMinClamp;
    float lodMaxClamp;
    WGPUCompareFunction compare;
    uint16_t maxAnisotropy;
} WGPUSamplerDescriptor;

typedef struct WGPUTextureViewDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    WGPUTextureFormat format;
    WGPUTextureViewDimension dimension;
    uint32_t baseMipLevel;
    uint32_t mipLevelCount;
    uint32_t baseArrayLayer;
    uint32_t arrayLayerCount;
    WGPUTextureAspect aspect;
} WGPUTextureViewDescriptor;

typedef struct WGPUBindGroupDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    WGPUBindGroupLayout layout;
    uint32_t entryCount;
    WGPUBindGroupEntry const * entries;
} WGPUBindGroupDescriptor;

typedef struct WGPUComputePassDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    uint32_t timestampWriteCount;
    WGPUComputePassTimestampWrite const * timestampWrites;
} WGPUComputePassDescriptor;

typedef struct WGPUProgrammableStageDescriptor {
    WGPUChainedStruct const * nextInChain;
    WGPUShaderModule module;
    char const * entryPoint;
    uint32_t constantCount;
    WGPUConstantEntry const * constants;
} WGPUProgrammableStageDescriptor;

typedef struct WGPUTextureDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    WGPUTextureUsageFlags usage;
    WGPUTextureDimension dimension;
    WGPUExtent3D size;
    WGPUTextureFormat format;
    uint32_t mipLevelCount;
    uint32_t sampleCount;
} WGPUTextureDescriptor;

typedef struct WGPUBindGroupLayoutDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    uint32_t entryCount;
    WGPUBindGroupLayoutEntry const * entries;
} WGPUBindGroupLayoutDescriptor;

typedef struct WGPUComputePipelineDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    WGPUPipelineLayout layout;
    WGPUProgrammableStageDescriptor compute;
} WGPUComputePipelineDescriptor;

typedef struct WGPURenderPassDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    uint32_t colorAttachmentCount;
    WGPURenderPassColorAttachment const * colorAttachments;
    WGPURenderPassDepthStencilAttachment const * depthStencilAttachment;
    WGPUQuerySet occlusionQuerySet;
    uint32_t timestampWriteCount;
    WGPURenderPassTimestampWrite const * timestampWrites;
} WGPURenderPassDescriptor;

typedef struct WGPURenderPipelineDescriptor {
    WGPUChainedStruct const * nextInChain;
    char const * label;
    WGPUPipelineLayout layout;
    WGPUVertexState vertex;
    WGPUPrimitiveState primitive;
    WGPUDepthStencilState const * depthStencil;
    WGPUMultisampleState multisample;
    WGPUFragmentState const * fragment;
} WGPURenderPipelineDescriptor;





typedef struct WGPUBindGroupEntry {
    WGPUChainedStruct const * nextInChain;
    uint32_t binding;
    WGPUBuffer buffer;
    uint64_t offset;
    uint64_t size;
    WGPUSampler sampler;
    WGPUTextureView textureView;
} WGPUBindGroupEntry;

typedef struct WGPUBufferBindingLayout {
    WGPUChainedStruct const * nextInChain;
    WGPUBufferBindingType type;
    bool hasDynamicOffset;
    uint64_t minBindingSize;
} WGPUBufferBindingLayout;

typedef struct WGPUCompilationMessage {
    WGPUChainedStruct const * nextInChain;
    char const * message;
    WGPUCompilationMessageType type;
    uint64_t lineNum;
    uint64_t linePos;
    uint64_t offset;
    uint64_t length;
} WGPUCompilationMessage;

typedef struct WGPUConstantEntry {
    WGPUChainedStruct const * nextInChain;
    char const * key;
    double value;
} WGPUConstantEntry;

typedef struct WGPUCopyTextureForBrowserOptions {
    WGPUChainedStruct const * nextInChain;
    bool flipY;
    bool needsColorSpaceConversion;
    WGPUAlphaMode srcAlphaMode;
    float const * srcTransferFunctionParameters;
    float const * conversionMatrix;
    float const * dstTransferFunctionParameters;
    WGPUAlphaMode dstAlphaMode;
} WGPUCopyTextureForBrowserOptions;

typedef struct WGPUMultisampleState {
    WGPUChainedStruct const * nextInChain;
    uint32_t count;
    uint32_t mask;
    bool alphaToCoverageEnabled;
} WGPUMultisampleState;

typedef struct WGPUPrimitiveState {
    WGPUChainedStruct const * nextInChain;
    WGPUPrimitiveTopology topology;
    WGPUIndexFormat stripIndexFormat;
    WGPUFrontFace frontFace;
    WGPUCullMode cullMode;
} WGPUPrimitiveState;

typedef struct WGPUSamplerBindingLayout {
    WGPUChainedStruct const * nextInChain;
    WGPUSamplerBindingType type;
} WGPUSamplerBindingLayout;

typedef struct WGPUStorageTextureBindingLayout {
    WGPUChainedStruct const * nextInChain;
    WGPUStorageTextureAccess access;
    WGPUTextureFormat format;
    WGPUTextureViewDimension viewDimension;
} WGPUStorageTextureBindingLayout;

typedef struct WGPUTextureBindingLayout {
    WGPUChainedStruct const * nextInChain;
    WGPUTextureSampleType sampleType;
    WGPUTextureViewDimension viewDimension;
    bool multisampled;
} WGPUTextureBindingLayout;

typedef struct WGPUTextureDataLayout {
    WGPUChainedStruct const * nextInChain;
    uint64_t offset;
    uint32_t bytesPerRow;
    uint32_t rowsPerImage;
} WGPUTextureDataLayout;

typedef struct WGPUBindGroupLayoutEntry {
    WGPUChainedStruct const * nextInChain;
    uint32_t binding;
    WGPUShaderStageFlags visibility;
    WGPUBufferBindingLayout buffer;
    WGPUSamplerBindingLayout sampler;
    WGPUTextureBindingLayout texture;
    WGPUStorageTextureBindingLayout storageTexture;
} WGPUBindGroupLayoutEntry;

typedef struct WGPUCompilationInfo {
    WGPUChainedStruct const * nextInChain;
    uint32_t messageCount;
    WGPUCompilationMessage const * messages;
} WGPUCompilationInfo;

typedef struct WGPUDepthStencilState {
    WGPUChainedStruct const * nextInChain;
    WGPUTextureFormat format;
    bool depthWriteEnabled;
    WGPUCompareFunction depthCompare;
    WGPUStencilFaceState stencilFront;
    WGPUStencilFaceState stencilBack;
    uint32_t stencilReadMask;
    uint32_t stencilWriteMask;
    int32_t depthBias;
    float depthBiasSlopeScale;
    float depthBiasClamp;
} WGPUDepthStencilState;

typedef struct WGPUImageCopyBuffer {
    WGPUChainedStruct const * nextInChain;
    WGPUTextureDataLayout layout;
    WGPUBuffer buffer;
} WGPUImageCopyBuffer;

typedef struct WGPUImageCopyTexture {
    WGPUChainedStruct const * nextInChain;
    WGPUTexture texture;
    uint32_t mipLevel;
    WGPUOrigin3D origin;
    WGPUTextureAspect aspect;
} WGPUImageCopyTexture;

typedef struct WGPUColorTargetState {
    WGPUChainedStruct const * nextInChain;
    WGPUTextureFormat format;
    WGPUBlendState const * blend;
    WGPUColorWriteMaskFlags writeMask;
} WGPUColorTargetState;

typedef struct WGPUSupportedLimits {
    WGPUChainedStructOut * nextInChain;
    WGPULimits limits;
} WGPUSupportedLimits;

typedef struct WGPUVertexState {
    WGPUChainedStruct const * nextInChain;
    WGPUShaderModule module;
    char const * entryPoint;
    uint32_t constantCount;
    WGPUConstantEntry const * constants;
    uint32_t bufferCount;
    WGPUVertexBufferLayout const * buffers;
} WGPUVertexState;

typedef struct WGPUFragmentState {
    WGPUChainedStruct const * nextInChain;
    WGPUShaderModule module;
    char const * entryPoint;
    uint32_t constantCount;
    WGPUConstantEntry const * constants;
    uint32_t targetCount;
    WGPUColorTargetState const * targets;
} WGPUFragmentState;





typedef struct WGPUBlendComponent {
    WGPUBlendOperation operation;
    WGPUBlendFactor srcFactor;
    WGPUBlendFactor dstFactor;
} WGPUBlendComponent;

typedef struct WGPUColor {
    double r;
    double g;
    double b;
    double a;
} WGPUColor;

typedef struct WGPUComputePassTimestampWrite {
    WGPUQuerySet querySet;
    uint32_t queryIndex;
    WGPUComputePassTimestampLocation location;
} WGPUComputePassTimestampWrite;

typedef struct WGPUExtent3D {
    uint32_t width;
    uint32_t height;
    uint32_t depthOrArrayLayers;
} WGPUExtent3D;

typedef struct WGPUExternalTextureBindingEntry {
    WGPUChainedStruct chain;
    WGPUExternalTexture externalTexture;
} WGPUExternalTextureBindingEntry;

typedef struct WGPUExternalTextureBindingLayout {
    WGPUChainedStruct chain;
} WGPUExternalTextureBindingLayout;

typedef struct WGPUOrigin3D {
    uint32_t x;
    uint32_t y;
    uint32_t z;
} WGPUOrigin3D;

typedef struct WGPUPrimitiveDepthClampingState {
    WGPUChainedStruct chain;
    bool clampDepth;
} WGPUPrimitiveDepthClampingState;

typedef struct WGPURenderPassDepthStencilAttachment {
    WGPUTextureView view;
    WGPULoadOp depthLoadOp;
    WGPUStoreOp depthStoreOp;
    float clearDepth;
    float depthClearValue;
    bool depthReadOnly;
    WGPULoadOp stencilLoadOp;
    WGPUStoreOp stencilStoreOp;
    uint32_t clearStencil;
    uint32_t stencilClearValue;
    bool stencilReadOnly;
} WGPURenderPassDepthStencilAttachment;

typedef struct WGPURenderPassTimestampWrite {
    WGPUQuerySet querySet;
    uint32_t queryIndex;
    WGPURenderPassTimestampLocation location;
} WGPURenderPassTimestampWrite;

typedef struct WGPUStencilFaceState {
    WGPUCompareFunction compare;
    WGPUStencilOperation failOp;
    WGPUStencilOperation depthFailOp;
    WGPUStencilOperation passOp;
} WGPUStencilFaceState;

typedef struct WGPUVertexAttribute {
    WGPUVertexFormat format;
    uint64_t offset;
    uint32_t shaderLocation;
} WGPUVertexAttribute;

typedef struct WGPUBlendState {
    WGPUBlendComponent color;
    WGPUBlendComponent alpha;
} WGPUBlendState;

typedef struct WGPURenderPassColorAttachment {
    WGPUTextureView view;
    WGPUTextureView resolveTarget;
    WGPULoadOp loadOp;
    WGPUStoreOp storeOp;
    WGPUColor clearColor;
    WGPUColor clearValue;
} WGPURenderPassColorAttachment;

typedef struct WGPUVertexBufferLayout {
    uint64_t arrayStride;
    WGPUVertexStepMode stepMode;
    uint32_t attributeCount;
    WGPUVertexAttribute const * attributes;
} WGPUVertexBufferLayout;

typedef struct WGPUDeviceProperties {
    uint32_t deviceID;
    uint32_t vendorID;
    WGPUAdapterType adapterType;
    bool textureCompressionBC;
    bool textureCompressionETC2;
    bool textureCompressionASTC;
    bool shaderFloat16;
    bool pipelineStatisticsQuery;
    bool timestampQuery;
    bool multiPlanarFormats;
    bool depthClamping;
    bool depth24UnormStencil8;
    bool depth32FloatStencil8;
    bool invalidFeature;
    bool dawnInternalUsages;
    bool dawnNative;
    WGPUSupportedLimits limits;
} WGPUDeviceProperties;




typedef void (*WGPUBufferMapCallback)(WGPUBufferMapAsyncStatus status, void * userdata);
typedef void (*WGPUCompilationInfoCallback)(WGPUCompilationInfoRequestStatus status, WGPUCompilationInfo const * compilationInfo, void * userdata);
typedef void (*WGPUCreateComputePipelineAsyncCallback)(WGPUCreatePipelineAsyncStatus status, WGPUComputePipeline pipeline, char const * message, void * userdata);
typedef void (*WGPUCreateRenderPipelineAsyncCallback)(WGPUCreatePipelineAsyncStatus status, WGPURenderPipeline pipeline, char const * message, void * userdata);
typedef void (*WGPUDeviceLostCallback)(WGPUDeviceLostReason reason, char const * message, void * userdata);
typedef void (*WGPUErrorCallback)(WGPUErrorType type, char const * message, void * userdata);
typedef void (*WGPULoggingCallback)(WGPULoggingType type, char const * message, void * userdata);
typedef void (*WGPUProc)();

WGPU_EXPORT WGPUProc wgpuGetProcAddress(WGPUDevice device, char const * procName);

typedef enum WGPUSType {
    // webgpu.h upstream:
    WGPUSType_Invalid = 0x00000000,
    WGPUSType_PrimitiveDepthClipControl = 0x00000007,
    WGPUSType_SurfaceDescriptorFromWaylandSurface = 0x00000008,
    WGPUSType_SurfaceDescriptorFromAndroidNativeWindow = 0x00000009,

    // webgpu.h dawn:
    WGPUSType_ExternalTextureBindingEntry = 0x00000009,
    WGPUSType_ExternalTextureBindingLayout = 0x0000000A,
    WGPUSType_DawnTextureInternalUsageDescriptor = 0x000003E8,
    WGPUSType_PrimitiveDepthClampingState = 0x000003E9,
    WGPUSType_DawnTogglesDeviceDescriptor = 0x000003EA,
    WGPUSType_DawnEncoderInternalUsageDescriptor = 0x000003EB,
    WGPUSType_DawnInstanceDescriptor = 0x000003EC,
    WGPUSType_DawnCacheDeviceDescriptor = 0x000003ED,
} WGPUSType;
