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Old 07 February 2020, 20:55   #1
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WriteLUTPixelArray() doesn't work

When using Picasso96 on WinUAE, WriteLUTPixelArray() (a Cybergraphics API) always seems to return -1 and doesn't draw anything. Is this a problem in Picasso96 itself or in WinUAE's Picasso96 driver?
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Old 08 February 2020, 11:31   #2
Toni Wilen
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Join Date: Aug 2001
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Age: 45
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I don't know (as usual, neither Cybergraphics nor Picasso96 sources are available)

You can try testing if same happens when using native emulated graphics board (for example Picasso II or IV) and Picasso96.

EDIT: Attach example binary (preferably one that does not do nothing else) and I'll check if uaegfx driver gets called.

Last edited by Toni Wilen; 08 February 2020 at 11:40.
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Old 21 February 2020, 15:48   #3
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This turned out to be a bug in the Cybergraphics SDK. In the SAS/C pragmas the LVO for WriteLUTPixelArray() was specified as c0 but it was c6 instead so a wrong function got called. After fixing those pragmas WriteLUTPixelArray() is working nicely on WinUAE now.
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