On Sat, 2011-12-24 at 10:12 +0000, James Turner wrote: > On 24 Dec 2011, at 08:32, Mathias Fröhlich wrote: > > > Thie required extensions are in the effect files. Whatever changes are done > > with > > the shaders, the effect files *must* contain the minimum condition under > > which > > gl version/extensions this shader is valid. > > This is complex, but the only way to make that run portable. > > According to this, there should be no extension required: > > http://lists.apple.com/archives/mac-opengl/2007/Oct/msg00108.html > > And 'glxinfo' reports: > > OpenGL vendor string: ATI Technologies Inc. > OpenGL renderer string: ATI Radeon HD 5770 OpenGL Engine > OpenGL version string: 2.1 ATI-7.12.9 > OpenGL shading language version string: 1.20 > > (and no 3D texturing extension token) > > Do we have a minimum OpenGL version requirement? 1.3 vs 1.4 vs 2.0?
glxinfo: OpenGL vendor string: NVIDIA Corporation OpenGL renderer string: GeForce 9600 GT/PCI/SSE2/3DNOW! OpenGL version string: 2.1.2 NVIDIA 173.14.22 glxinfo | grep 3D OpenGL renderer string: GeForce 9600 GT/PCI/SSE2/3DNOW! GL_EXT_stencil_two_side, GL_EXT_stencil_wrap, GL_EXT_texture3D, But then again: http://developer.amd.com/archive/radeonarchives/RadeonSampleCode/EXT_texture3D-Extension/Pages/default.aspx > The Radeon® has full support for EXT_texture3D, which is a required > feature for OpenGL® 1.2 compliance. Odd. Erik ------------------------------------------------------------------------------ Write once. Port to many. Get the SDK and tools to simplify cross-platform app development. Create new or port existing apps to sell to consumers worldwide. Explore the Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join http://p.sf.net/sfu/intel-appdev _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel