From 9d0b8d72d8d704ff4d8e10448b60cbb42f07eecb Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 29 Jul 2009 20:07:41 -0600 Subject: mesa: add new FRAG_ATTRIB_FACE and FRAG_ATTRIB_PNTC fragment program inputs Previously, the FOGC attribute contained the fragment fog coord, front/back- face flag and the gl_PointCoord.xy values. Now each of those things are separate fragment program attributes. This simplifies quite a few things in Mesa and gallium. Need to test i965 driver and fix up point coord handling in the gallium/draw module... --- src/mesa/swrast/s_fragprog.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'src/mesa/swrast/s_fragprog.c') diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c index b71fb9eae9..613a91b0ec 100644 --- a/src/mesa/swrast/s_fragprog.c +++ b/src/mesa/swrast/s_fragprog.c @@ -157,9 +157,8 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine, /* if running a GLSL program (not ARB_fragment_program) */ 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 */ + /* Store front/back facing value */ + machine->Attribs[FRAG_ATTRIB_FACE][col][0] = 1.0 - span->facing; } machine->CurElement = col; -- cgit v1.2.3