Is example osgsimplegl3 working?
ne0ndrag0n wrote: > > robertosfield wrote: > > Hi Ahsley, > > > > > > What OS, GL drivers, OSG version and hardware are you using? > > > > > > Robert. > > > > ------------------ > > Post generated by Mail2Forum > > > > OS: Ubuntu 17.04 > GL drivers: as reported by glxinfo > > Code: > > server glx version string: 1.4 > client glx version string: 1.4 > GLX version: 1.4 > Max core profile version: 4.5 > Max compat profile version: 3.0 > Max GLES1 profile version: 1.1 > Max GLES[23] profile version: 3.1 > OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.0.3 > OpenGL core profile shading language version string: 4.50 > OpenGL version string: 3.0 Mesa 17.0.3 > OpenGL shading language version string: 1.30 > OpenGL ES profile version string: OpenGL ES 3.1 Mesa 17.0.3 > OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10 > > > > OSG version: Git HEAD 0b5f45289d1c4b2de7e2e29380a1e0a3f92ac79e (Mon Jun 19 > 15:55:42 2017 +0100) > Hardware: Here is the output of lshw -c video, showing Radeon HD 8870M with > the open-source radeon driver: > > Code: > > *-display > description: VGA compatible controller > product: Venus XT [Radeon HD 8870M / R9 M270X/M370X] > vendor: Advanced Micro Devices, Inc. [AMD/ATI] > physical id: 0 > bus info: pci@0000:01:00.0 > version: 00 > width: 64 bits > clock: 33MHz > capabilities: pm pciexpress msi vga_controller bus_master cap_list rom > configuration: driver=radeon latency=0 > resources: irq:28 memory:e0000000-efffffff memory:f7e00000-f7e3ffff > ioport:e000(size=256) memory:c0000-dffff > > > > > The same code, unmodified, does work fine on my desktop with an Nvidia GTX > 570 using the proprietary nv drivers. I can't confirm until I get back home > tonight, but it looks like my desktop supports compatibility profile for > version 330 shaders, while this laptop does not, as glxinfo on the laptop > shows compatibility profile supports a max shader version of 130 and GL > version 3.0. I mention this because it appears when using > Linux/GraphicsWindowX11, OSG creates a compatibility profile if the > programmer requests or intends to create a core profile. Is this intentional? > Looking at line 820 in GraphicsWindowX11, I think this line might be creating > the maximum compatibility profile, and "glXCreateContextAttribsARB" may be > required to create core profile contexts if requested by the developer. > Around line 1873 of GraphicsWindowWin32, it appears "glContextVersion" is > parsed and the (Windows) ARB method is used. ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=71306#71306 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
