On Sun, Dec 14, 2014 at 11:47 AM, Maxence Le Doré <maxence.led...@gmail.com> wrote: > Hi Matt, > > To be sure to not missing something, I used a simple vertex shader I have > there and had > the following line in : > > int a = gl_MaxDrawBuffers; > > At runtime, everything was ok, and GLSL compiler didn't complain about > anything. So there is nothing in mesa to prevent the use of some GLSL > constants having some specifity to one or more shading stage. > > But a more interesting stuff is when I took a look at GLSL 4.1 spec there : > https://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf > > See section 7.3 > > "Built-In Constants > The following built-in constants are provided to all shaders. The actual > values used are implementation dependent, but must be at least the value > shown. Some are deprecated, as indicated in comments." > > Follows a list where gl_MaxViewports is.
Interesting. So the extensions spec is just behind the times. Thanks for clearing that up! Reviewed-by: Matt Turner <matts...@gmail.com> I'll commit this. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
