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1 /* | 1 /* |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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58 #include "core/loader/FrameLoaderClient.h" | 58 #include "core/loader/FrameLoaderClient.h" |
59 #include "platform/CheckedInt.h" | 59 #include "platform/CheckedInt.h" |
60 #include "platform/graphics/gpu/DrawingBuffer.h" | 60 #include "platform/graphics/gpu/DrawingBuffer.h" |
61 #include "public/platform/Platform.h" | 61 #include "public/platform/Platform.h" |
62 | 62 |
63 namespace blink { | 63 namespace blink { |
64 | 64 |
65 PassOwnPtrWillBeRawPtr<WebGLRenderingContext> WebGLRenderingContext::create(HTML
CanvasElement* canvas, const CanvasContextCreationAttributes& attrs) | 65 PassOwnPtrWillBeRawPtr<WebGLRenderingContext> WebGLRenderingContext::create(HTML
CanvasElement* canvas, const CanvasContextCreationAttributes& attrs) |
66 { | 66 { |
67 WebGLContextAttributes attributes = toWebGLContextAttributes(attrs); | 67 WebGLContextAttributes attributes = toWebGLContextAttributes(attrs); |
68 OwnPtr<blink::WebGraphicsContext3D> context(createWebGraphicsContext3D(canva
s, attributes, 1)); | 68 OwnPtr<WebGraphicsContext3D> context(createWebGraphicsContext3D(canvas, attr
ibutes, 1)); |
69 if (!context) | 69 if (!context) |
70 return nullptr; | 70 return nullptr; |
71 OwnPtr<Extensions3DUtil> extensionsUtil = Extensions3DUtil::create(context.g
et()); | 71 OwnPtr<Extensions3DUtil> extensionsUtil = Extensions3DUtil::create(context.g
et()); |
72 if (!extensionsUtil) | 72 if (!extensionsUtil) |
73 return nullptr; | 73 return nullptr; |
74 if (extensionsUtil->supportsExtension("GL_EXT_debug_marker")) { | 74 if (extensionsUtil->supportsExtension("GL_EXT_debug_marker")) { |
75 String contextLabel(String::format("WebGLRenderingContext-%p", context.g
et())); | 75 String contextLabel(String::format("WebGLRenderingContext-%p", context.g
et())); |
76 context->pushGroupMarkerEXT(contextLabel.ascii().data()); | 76 context->pushGroupMarkerEXT(contextLabel.ascii().data()); |
77 } | 77 } |
78 | 78 |
79 OwnPtrWillBeRawPtr<WebGLRenderingContext> renderingContext = adoptPtrWillBeN
oop(new WebGLRenderingContext(canvas, context.release(), attributes)); | 79 OwnPtrWillBeRawPtr<WebGLRenderingContext> renderingContext = adoptPtrWillBeN
oop(new WebGLRenderingContext(canvas, context.release(), attributes)); |
80 renderingContext->initializeNewContext(); | 80 renderingContext->initializeNewContext(); |
81 renderingContext->registerContextExtensions(); | 81 renderingContext->registerContextExtensions(); |
82 | 82 |
83 if (!renderingContext->drawingBuffer()) { | 83 if (!renderingContext->drawingBuffer()) { |
84 canvas->dispatchEvent(WebGLContextEvent::create(EventTypeNames::webglcon
textcreationerror, false, true, "Could not create a WebGL context.")); | 84 canvas->dispatchEvent(WebGLContextEvent::create(EventTypeNames::webglcon
textcreationerror, false, true, "Could not create a WebGL context.")); |
85 return nullptr; | 85 return nullptr; |
86 } | 86 } |
87 | 87 |
88 return renderingContext.release(); | 88 return renderingContext.release(); |
89 } | 89 } |
90 | 90 |
91 WebGLRenderingContext::WebGLRenderingContext(HTMLCanvasElement* passedCanvas, Pa
ssOwnPtr<blink::WebGraphicsContext3D> context, const WebGLContextAttributes& req
uestedAttributes) | 91 WebGLRenderingContext::WebGLRenderingContext(HTMLCanvasElement* passedCanvas, Pa
ssOwnPtr<WebGraphicsContext3D> context, const WebGLContextAttributes& requestedA
ttributes) |
92 : WebGLRenderingContextBase(passedCanvas, context, requestedAttributes) | 92 : WebGLRenderingContextBase(passedCanvas, context, requestedAttributes) |
93 { | 93 { |
94 } | 94 } |
95 | 95 |
96 WebGLRenderingContext::~WebGLRenderingContext() | 96 WebGLRenderingContext::~WebGLRenderingContext() |
97 { | 97 { |
98 } | 98 } |
99 | 99 |
100 void WebGLRenderingContext::registerContextExtensions() | 100 void WebGLRenderingContext::registerContextExtensions() |
101 { | 101 { |
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149 visitor->trace(m_webglDrawBuffers); | 149 visitor->trace(m_webglDrawBuffers); |
150 visitor->trace(m_webglCompressedTextureATC); | 150 visitor->trace(m_webglCompressedTextureATC); |
151 visitor->trace(m_webglCompressedTextureETC1); | 151 visitor->trace(m_webglCompressedTextureETC1); |
152 visitor->trace(m_webglCompressedTexturePVRTC); | 152 visitor->trace(m_webglCompressedTexturePVRTC); |
153 visitor->trace(m_webglCompressedTextureS3TC); | 153 visitor->trace(m_webglCompressedTextureS3TC); |
154 visitor->trace(m_webglDepthTexture); | 154 visitor->trace(m_webglDepthTexture); |
155 WebGLRenderingContextBase::trace(visitor); | 155 WebGLRenderingContextBase::trace(visitor); |
156 } | 156 } |
157 | 157 |
158 } // namespace blink | 158 } // namespace blink |
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