src/dawn/node/interop/DawnExtensions.idl

// Copyright 2023 The Dawn & Tint Authors
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// An IDL file that adds support for Dawn extensions that are not part of the
// upstream webgpu.idl.

enum GPUFeatureName {
    "chromium-experimental-subgroups",
    "chromium-experimental-subgroup-uniform-control-flow",
    // subgroups, subgroups-f16 and multi-draw-indirect features are not in webgpu.idl yet.
    "subgroups",
    "subgroups-f16",
    "multi-draw-indirect",
    "chromium-experimental-immediate-data",
};

dictionary GPURequestAdapterOptions {
    boolean compatibilityMode = false;
};

interface GPUAdapter {
    readonly attribute boolean isCompatibilityMode;
};

interface GPUCommandEncoder {
    undefined writeTimestamp(GPUQuerySet querySet, GPUSize32 queryIndex);
};

// Not in webgpu.idl yet.
interface GPURenderPassEncoder {
    undefined multiDrawIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset, GPUSize32 maxDrawCount,
        GPUBuffer? drawCountBuffer, optional GPUSize64 drawCountBufferOffset = 0);
    undefined multiDrawIndexedIndirect(GPUBuffer indirectBuffer, GPUSize64 indirectOffset,
                                GPUSize32 maxDrawCount, GPUBuffer? drawCountBuffer = {},
                                optional GPUSize64 drawCountBufferOffset = 0);
};

dictionary GPUTextureDescriptor {
    GPUTextureViewDimension? textureBindingViewDimension;
};

enum WGSLFeatureName {
    "readonly_and_readwrite_storage_textures",
    "packed_4x8_integer_dot_product",
    "unrestricted_pointer_parameters",
    "pointer_composite_access",
};

interface GPUSupportedLimits {
    readonly attribute (unsigned long or undefined) minSubgroupSize;
    readonly attribute (unsigned long or undefined) maxSubgroupSize;
};