From 6c33e820d5fe740ac4735d8bab864177dd1b2f14 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 3 Dec 2010 17:07:16 -0700 Subject: st/mesa: new comment about updating state vars --- src/mesa/state_tracker/st_atom_constbuf.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src') diff --git a/src/mesa/state_tracker/st_atom_constbuf.c b/src/mesa/state_tracker/st_atom_constbuf.c index 8d1dc792bc8..f1d08a3e166 100644 --- a/src/mesa/state_tracker/st_atom_constbuf.c +++ b/src/mesa/state_tracker/st_atom_constbuf.c @@ -66,6 +66,11 @@ void st_upload_constants( struct st_context *st, if (params && params->NumParameters) { const uint paramBytes = params->NumParameters * sizeof(GLfloat) * 4; + /* Update the constants which come from fixed-function state, such as + * transformation matrices, fog factors, etc. The rest of the values in + * the parameters list are explicitly set by the user with glUniform, + * glProgramParameter(), etc. + */ _mesa_load_state_parameters(st->ctx, params); /* We always need to get a new buffer, to keep the drivers simple and -- cgit v1.2.3