本文整理汇总了C++中OwnPtrWillBeRawPtr::initializeNewContext方法的典型用法代码示例。如果您正苦于以下问题：C++ OwnPtrWillBeRawPtr::initializeNewContext方法的具体用法？C++ OwnPtrWillBeRawPtr::initializeNewContext怎么用？C++ OwnPtrWillBeRawPtr::initializeNewContext使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类OwnPtrWillBeRawPtr的用法示例。
在下文中一共展示了OwnPtrWillBeRawPtr::initializeNewContext方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: contextLabel
PassOwnPtrWillBeRawPtr<CanvasRenderingContext> WebGL2RenderingContext::Factory::create(HTMLCanvasElement* canvas, const CanvasContextCreationAttributes& attrs, Document&)
{
if (!RuntimeEnabledFeatures::unsafeES3APIsEnabled()) {
canvas->dispatchEvent(WebGLContextEvent::create(EventTypeNames::webglcontextcreationerror, false, true, "Creation of WebGL2 contexts disabled."));
return nullptr;
}
WebGLContextAttributes attributes = toWebGLContextAttributes(attrs);
OwnPtr<WebGraphicsContext3D> context(createWebGraphicsContext3D(canvas, attributes, 2));
if (!context)
return nullptr;
OwnPtr<Extensions3DUtil> extensionsUtil = Extensions3DUtil::create(context.get());
if (!extensionsUtil)
return nullptr;
if (extensionsUtil->supportsExtension("GL_EXT_debug_marker")) {
String contextLabel(String::format("WebGL2RenderingContext-%p", context.get()));
context->pushGroupMarkerEXT(contextLabel.ascii().data());
}
OwnPtrWillBeRawPtr<WebGL2RenderingContext> renderingContext = adoptPtrWillBeNoop(new WebGL2RenderingContext(canvas, context.release(), attributes));
if (!renderingContext->drawingBuffer()) {
canvas->dispatchEvent(WebGLContextEvent::create(EventTypeNames::webglcontextcreationerror, false, true, "Could not create a WebGL2 context."));
return nullptr;
}
renderingContext->initializeNewContext();
renderingContext->registerContextExtensions();
return renderingContext.release();
}