本文整理汇总了C++中WebGLContextAttributes::Init方法的典型用法代码示例。如果您正苦于以下问题：C++ WebGLContextAttributes::Init方法的具体用法？C++ WebGLContextAttributes::Init怎么用？C++ WebGLContextAttributes::Init使用的例子？那么恭喜您, 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WebGLContextAttributes的用法示例。
在下文中一共展示了WebGLContextAttributes::Init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: GenerateWarning
NS_IMETHODIMP
WebGLContext::SetContextOptions(JSContext* aCx, JS::Handle<JS::Value> aOptions)
{
if (aOptions.isNullOrUndefined() && mOptionsFrozen) {
return NS_OK;
}
WebGLContextAttributes attributes;
NS_ENSURE_TRUE(attributes.Init(aCx, aOptions), NS_ERROR_UNEXPECTED);
WebGLContextOptions newOpts;
newOpts.stencil = attributes.mStencil;
newOpts.depth = attributes.mDepth;
newOpts.premultipliedAlpha = attributes.mPremultipliedAlpha;
newOpts.antialias = attributes.mAntialias;
newOpts.preserveDrawingBuffer = attributes.mPreserveDrawingBuffer;
if (attributes.mAlpha.WasPassed()) {
newOpts.alpha = attributes.mAlpha.Value();
}
// enforce that if stencil is specified, we also give back depth
newOpts.depth |= newOpts.stencil;
#if 0
GenerateWarning("aaHint: %d stencil: %d depth: %d alpha: %d premult: %d preserve: %d\n",
newOpts.antialias ? 1 : 0,
newOpts.stencil ? 1 : 0,
newOpts.depth ? 1 : 0,
newOpts.alpha ? 1 : 0,
newOpts.premultipliedAlpha ? 1 : 0,
newOpts.preserveDrawingBuffer ? 1 : 0);
#endif
if (mOptionsFrozen && newOpts != mOptions) {
// Error if the options are already frozen, and the ones that were asked for
// aren't the same as what they were originally.
return NS_ERROR_FAILURE;
}
mOptions = newOpts;
return NS_OK;
}