third_party/blink/renderer/modules/webgpu/gpu_canvas_configuration.idl

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://gpuweb.github.io/gpuweb/

enum GPUCanvasAlphaMode {
    "opaque",
    "premultiplied",
};

enum GPUCanvasToneMappingMode {
    "standard",
    "extended",
};

dictionary GPUCanvasToneMapping {
  GPUCanvasToneMappingMode mode = "standard";
};

dictionary GPUCanvasConfiguration {
    required GPUDevice device;
    required GPUTextureFormat format;
    GPUTextureUsageFlags usage = 16;  // GPUTextureUsage.RENDER_ATTACHMENT
    sequence<GPUTextureFormat> viewFormats = [];
    PredefinedColorSpace colorSpace = "srgb";
    GPUCanvasAlphaMode alphaMode = "opaque";
    [RuntimeEnabled=WebGPUHDR] GPUCanvasToneMapping toneMapping = {};
    // TODO(https://crbug.com/333967627): Remove support for this older version
    // of the API once the new API lands.
    [RuntimeEnabled=CanvasHDR] CanvasHighDynamicRangeOptions hdrOptions;
};