Re: [Chromium-dev] context type: UNDECIDED vs. CHROMIUM vs. NATIVE

[Greg H. <hu...@gm...>]

I ran into some issues with these three types when I was trying to  
run Brook programs through Chromium on Windows for a paper push  
recently.  Unfortunately I was in such paper writing mode I don't  
remember what I did.  It had something to do with the fact that  
Chromium returns "Humper" as the GL_VENDOR if you do a glGetString()  
before any context is actually created (which is supposed to work).

I suspect that the pixel format bug is a serious one and was  
affecting our efforts to run FarCry through Chromium for that paper.

On May 25, 2005, at 5:19 PM, ma...@co... wrote:

> Hi all,
>
> Could someone clarify the intent of the three different Context types:
> UNDECIDED, CHROMIUM, and NATIVE.
>
> I'm running into a situation where contexts (i.e. windows) aren't  
> being
> deleted, because their type is UNDECIDED.
>
> The function stubDeleteContext in opengl_stub/context.c only takes  
> action if
> the type is NATIVE or CHROMIUM, so contexts that are created under  
> windows
> (wgl.c:wglCreateContext_prox) never get deleted.
>
>
> The result is that apps which create contexts just for the sake of  
> querying
> capabilities end up spawning tens or hundreds of windows.
>
>
> Thanks as always,
> Jon Marbach
>
> Univesity of Colorado at Boulder
> BP Center for Visualization
>
>
>
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--
Greg Humphreys, Assistant Professor
Department of Computer Science, University of Virginia
http://www.cs.virginia.edu/~humper/