1 /*
2 * Copyright (C) 2010 Google 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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "third_party/blink/renderer/modules/webgl/webgl_lose_context.h"
27
28 #include "third_party/blink/renderer/modules/webgl/webgl_rendering_context_base.h"
29
30 namespace blink {
31
WebGLLoseContext(WebGLRenderingContextBase * context)32 WebGLLoseContext::WebGLLoseContext(WebGLRenderingContextBase* context)
33 : WebGLExtension(context) {}
34
Lose(bool force)35 void WebGLLoseContext::Lose(bool force) {
36 if (force)
37 WebGLExtension::Lose(true);
38 }
39
GetName() const40 WebGLExtensionName WebGLLoseContext::GetName() const {
41 return kWebGLLoseContextName;
42 }
43
loseContext()44 void WebGLLoseContext::loseContext() {
45 WebGLExtensionScopedContext scoped(this);
46 if (!scoped.IsLost()) {
47 scoped.Context()->ForceLostContext(
48 WebGLRenderingContextBase::kWebGLLoseContextLostContext,
49 WebGLRenderingContextBase::kManual);
50 }
51 }
52
restoreContext()53 void WebGLLoseContext::restoreContext() {
54 WebGLExtensionScopedContext scoped(this);
55 if (!scoped.IsLost())
56 scoped.Context()->ForceRestoreContext();
57 }
58
Supported(WebGLRenderingContextBase *)59 bool WebGLLoseContext::Supported(WebGLRenderingContextBase*) {
60 return true;
61 }
62
ExtensionName()63 const char* WebGLLoseContext::ExtensionName() {
64 return "WEBGL_lose_context";
65 }
66
67 } // namespace blink
68