1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28namespace WebCore {
29
30enum class GraphicsContext3DPowerPreference {
31 Default,
32 LowPower,
33 HighPerformance
34};
35
36struct GraphicsContext3DAttributes {
37 // WebGLContextAttributes
38 bool alpha { true };
39 bool depth { true };
40 bool stencil { false };
41 bool antialias { true };
42 bool premultipliedAlpha { true };
43 bool preserveDrawingBuffer { false };
44 bool failIfMajorPerformanceCaveat { false };
45 using PowerPreference = GraphicsContext3DPowerPreference;
46 PowerPreference powerPreference { PowerPreference::Default };
47
48 // Additional attributes.
49 bool forceSoftwareRenderer { false };
50 bool shareResources { true };
51 bool isWebGL2 { false };
52 bool noExtensions { false };
53 float devicePixelRatio { 1 };
54 PowerPreference initialPowerPreference { PowerPreference::Default };
55};
56
57}
58