From 8c20747834c2ea7006f127e974560534ab279da2 Mon Sep 17 00:00:00 2001 From: Brian Date: Tue, 18 Dec 2007 16:00:31 -0700 Subject: setup the frontface register (fog.y, ATM) --- src/mesa/pipe/softpipe/sp_prim_setup.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'src/mesa/pipe/softpipe') diff --git a/src/mesa/pipe/softpipe/sp_prim_setup.c b/src/mesa/pipe/softpipe/sp_prim_setup.c index 2ccf5e2624..de45529bf9 100644 --- a/src/mesa/pipe/softpipe/sp_prim_setup.c +++ b/src/mesa/pipe/softpipe/sp_prim_setup.c @@ -516,7 +516,7 @@ setup_fragcoord_coeff(struct setup_stage *setup) static void setup_tri_coefficients( struct setup_stage *setup ) { const enum interp_mode *interp = setup->softpipe->vertex_info.interp_mode; -#define USE_INPUT_MAP 0 +#define USE_INPUT_MAP 01 #if USE_INPUT_MAP const struct pipe_shader_state *fs = &setup->softpipe->fs->shader; #endif @@ -554,6 +554,12 @@ static void setup_tri_coefficients( struct setup_stage *setup ) */ setup_fragcoord_coeff(setup); } + else if (fs->input_semantic_name[fragSlot] == TGSI_SEMANTIC_FOG) { + /* FOG.y = front/back facing XXX fix this */ + setup->coef[fragSlot].a0[1] = 1 - setup->quad.facing; + setup->coef[fragSlot].dadx[1] = 0.0; + setup->coef[fragSlot].dady[1] = 0.0; + } else { #endif uint j; -- cgit v1.2.3