Imagination PowerVR SDK Blog

OpenGL ES + Virtual PC : dept buffer issue


#1




Hi

i'm using the OpenGL ES 1.1 SDK on Linux (Debian) on top of VirtualPC (!)

I have built MESA succcessfully (7.x) and I'm facing a problem with depth buffers.
None of the sample run with a depth buffer and I get the MESA warning: GL_DEPTH_TEST enabled but no Z Buffer.

However, glxinfo gives configurations with Z buffer of 16 bits.

help.


#2

I believe Virtual PC uses a generic VGA graphics driver… this may be the reason for your problems.

It’s probably best to run the SDK under a native OS that can take advantage of the full hardware and does not require to run emulations on top of emulation layers. 2cts.