From 3a428aca93fe2bab84ddfaf794a396133e802465 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Mon, 11 Aug 2008 15:05:57 -0600 Subject: [PATCH] mesa: added comment about gl_PointCoord --- src/mesa/swrast/s_fragprog.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c index bf7a1de03bc..525cf9d7245 100644 --- a/src/mesa/swrast/s_fragprog.c +++ b/src/mesa/swrast/s_fragprog.c @@ -129,6 +129,7 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine, if (ctx->Shader.CurrentProgram) { /* Store front/back facing value in register FOGC.Y */ machine->Attribs[FRAG_ATTRIB_FOGC][col][1] = 1.0 - span->facing; + /* Note FOGC.ZW is gl_PointCoord if drawing a sprite */ } machine->CurElement = col; -- 2.30.2