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Thank you Broadblues.
I will check the Blender source code to understand how it works...
And I'll do my system

When we create 1. A window in the Workbench screen or 1b. A custom screen with a window inside it. How can we setup MiniGL to render it inside the window or screen ? All samples availables always uses SDL or GLUT. does it exist any sample not using them but that directly setup MiniGL inside a window...

broadblues : Thank you for your answer, but I'm not sure to really understand what you explained.

thomasrapp : Once again, thanks for your knowledge ... What I found odd, is that this information is available nowhere in the autodoc concerning graphics library and BestModeID, and Intuition OpenScreen, etc... EDIT : Tested by replacing 32 with 24 inside the OpenScreen method (to keep 32 in the dis...

@broadblues : 640x480x32 is the requested mode. I have from 640x480 to 1280x1024 screen modes availables in my prefs with 8, 16 and 32 bits modes. I tried fixed values (entering directly the 640, 480 and 32 values in the methods parameters ... same result. @Xenic : Happy to see that I'm not alone. I...

Hello, I did changes to my "OpenScreen" method using your advices and sample. It gives this result : BOOL egeDisplay_OpenScreen( int Width, int Height, int Depth ){ BOOL success = FALSE; debugMessage( "CALL: egeDisplay_OpenScreen\n" ); // 1. Check for BestModeID ULONG myBestModeI...

Hello Thomasrapp.
Thank you for all your advices.
I will look your sample and update my code with your advices.
Regards,

Thank you Thomasrapp for your answer. I tried to use IGraphics->BestModeID to detect a 32bit compatible mode ID ... Without Success. Screen only open if I set depth=8 void egeDisplay_OpenScreen( int Width, int Height, int Depth ){ // 1. Check for BestModeID int BestModeID = IGraphics->BestModeID( BI...

When I want to create a screen, I encounter issues ... I am with a Sam440Flex. I allocate bitmap : displayCore.mainBitMap = IGraphics->AllocBitMap( 640, 480, 32, BMF_INTERLEAVED, NULL ); Sometimes it does return a NULL Pointer. Then if I create bitmap this way it don't work : struct NewScreen mainSc...

In this case it was the definition of the GraphicsIFace structure that was missing that was the problem, hence why IGraphics couldn't be dereferenced to get the AllocBitMap() function. Including <proto/graphics.h> which in turn includes <interfaces/graphics.h> solved it. Will try this. Thank you.