Horde3D

Next-Generation Graphics Engine
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 Post subject: 16-bit color problems
PostPosted: 15.11.2010, 02:24 
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Joined: 12.10.2010, 10:42
Posts: 5
I just tried running horde with 16-bit color assigned to my monitor, and noticed used it used different drivers. Here is the ouput from the log html:

16-bit:
Code:
Initializing GL2 backend using OpenGL driver '1.1.0' by 'Microsoft Corporation' on 'GDI Generic'

32-bit:
Code:
Initializing GL2 backend using OpenGL driver '3.3.0' by 'NVIDIA Corporation' on 'GeForce GT 240/PCI/SSE2'


This is on 64-bit Windows 7. I was just wondering if this is expected behaviour?


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PostPosted: 15.11.2010, 09:50 
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Joined: 13.11.2007, 11:07
Posts: 1150
Location: Germany
As far as I know, that's a problem of windows itself. If anyone knows how to workaround this problem, feedback is appreciated.


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PostPosted: 15.11.2010, 13:08 
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Joined: 22.11.2007, 17:05
Posts: 707
Location: Boston, MA
Volker wrote:
As far as I know, that's a problem of windows itself. If anyone knows how to workaround this problem, feedback is appreciated.
The obvious workaround is not to set your monitor to 16-bit colour. 16-bit colour has very limited support in modern drivers, and 8-bit paletted colour has been unsupported for ages.

Note that once upon-a-time, you could gain a small speed boost by working in 16-bit colour, but these days even if you do manage to get hardware acceleration in a 16-bit colour mode, you won't gain anything over 32-bit. The graphics card is still going to operate in 32-bit, and just round the final result before sending to the monitor.

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Tristam MacDonald - [swiftcoding]


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PostPosted: 16.11.2010, 23:51 
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Joined: 12.10.2010, 10:42
Posts: 5
Volker wrote:
As far as I know, that's a problem of windows itself...

Guess I'll just have to notify users to change it then. Thanks for the quick reply.


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