// 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";
    GPUCanvasToneMapping toneMapping = {};
};