[EMAIL PROTECTED] wrote on 21-SEP-2006 17:16:31.19
>Jacob (=Jouk) Jansen wrote:
>> [EMAIL PROTECTED] wrote on 20-SEP-2006 17:16:47.82
>>
>>
>>>Jacob (=Jouk) Jansen wrote:
>>>
>>>>Hi all,
>>>>
>>>>Today I changed the Default visual of my X-server to DirectColor visual. All
>is
>>>>fine except that all objects drawn by Mesa get weird colours.
>>>>I suspect that DirectColor-visuals is not working properly in Mesa.
>>>>Would it be easy to fix?
>>>
>>>With DirectColor you have to be sure to initialize the red, green and
>>>blue lookup tables (colormaps) to the suitable values (usually a
>>>linear ramp).
>>>
>>>Setting up the X colormap is outside the scope of OpenGL/Mesa and is
>>>the responsibility of the app or GUI toolkit.
>>>
>>>Are you using GLUT? GLUT should be taking care of that.
>>
>> Yes and No:
>> -The demos from progs/demo use glut (I tested gears and texcyl)
>> -xlockmore does not use glut. It sets up the colour tables correctly for
>> all modes, except for the GL-modes. In the latter case still he TrueColor
>> tables-entreis are tried.
>>
>>
>> Is a specification available what colour table Mesa is expecting?
>For a 24-bit DirectColor visual, each of the R, G, B maps should be
>setup so that lookup[k] = k.
>
>It looks like glut was lacking that code, so I just added it. Try the
>current CVS code.
I ported the patch to xlockmore and it works (with an extra XInstallColormap)
However, for GLUT it is not working: It never reaches the code because
although the default visual of the screen is DirectColor GLUT thinks it is a
TrueColor.
Jouk
Bush : All votes are equal but some votes are more equal than others.
>------------------------------------------------------------------------------<
Jouk Jansen
[EMAIL PROTECTED]
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