David Flynn wrote: > With mesa 7.0.3-rc2 (debian build), attempting to compile a GLSL shader > containing the following preprocessor directive fails: > #extension GL_ARB_texture_rectangle : require > > With: > Error: GL_ARB_texture_rectangle: required extension is not supported. > > I note that the spec says this is implicitly defined for all > shaders: > see 'Additions to version 1.10.59 of the OpenGL Shading Language... > in http://opengl.org/registry/specs/ARB/texture_rectangle.txt > > However, This seems to be contrary to question 18 of the same document: > Yes, a shader can still include all variations of #extension > GL_ARB_texture_rectangle in its source code. This includes #extension > GL_ARB_texture_rectangle : disable, to disable support for it. > > This doesn't feel like a correct fix, since it always enables the extension > and there seems to be no way to check ctx->Extensions.NV_texture_rectangle > from within the preprocessor. (Ignoring the fact that there is no checking > later on in the shader if it were disabled.)
Thanks. I've committed your patch. Someday we need to pass the extension info down into the preprocessor, like you said, but this is OK for now. -Brian ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Mesa3d-dev mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
