You should provide us the framebuffer configuration you are using.
Did you check if all the parameters you are using are supported by your graphic card ?

regards,

Stéphane

Jonathan Brandmeyer wrote:
I'm having trouble getting pixmap rendering to work on Win32.  The
pixmap demo itself is failing with:

(pixmap.exe: 332): GdkGLExt-WARNING **: cannot set pixel format
(pixmap.exe: 332): GdkGLExt-WARNING **: cannot create GdkGLPixmap

I instrumented win32/gdkglpixmap-win32.c:gdk_gl_pixmap_new()  to print
the error code with GetLastError.  It returned 1: "Incorrect function."

Any ideas?

Thanks,
-Jonathan Brandmeyer

PS: Running GtkGLExt 1.2; Windows XP Home; Radeon 9800.

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