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path: root/mesalib/src/mesa/main/ffvertex_prog.c
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Diffstat (limited to 'mesalib/src/mesa/main/ffvertex_prog.c')
-rw-r--r--mesalib/src/mesa/main/ffvertex_prog.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/mesalib/src/mesa/main/ffvertex_prog.c b/mesalib/src/mesa/main/ffvertex_prog.c
index be6ac0f2a..074fbf9a3 100644
--- a/mesalib/src/mesa/main/ffvertex_prog.c
+++ b/mesalib/src/mesa/main/ffvertex_prog.c
@@ -1306,20 +1306,22 @@ static void build_fog( struct tnl_program *p )
switch (p->state->fog_distance_mode) {
case FDM_EYE_RADIAL: /* Z = sqrt(Xe*Xe + Ye*Ye + Ze*Ze) */
- input = get_eye_position(p);
- emit_op2(p, OPCODE_DP3, fog, WRITEMASK_X, input, input);
- emit_op1(p, OPCODE_RSQ, fog, WRITEMASK_X, fog);
- emit_op1(p, OPCODE_RCP, fog, WRITEMASK_X, fog);
- break;
+ input = get_eye_position(p);
+ emit_op2(p, OPCODE_DP3, fog, WRITEMASK_X, input, input);
+ emit_op1(p, OPCODE_RSQ, fog, WRITEMASK_X, fog);
+ emit_op1(p, OPCODE_RCP, fog, WRITEMASK_X, fog);
+ break;
case FDM_EYE_PLANE: /* Z = Ze */
- input = get_eye_position_z(p);
- emit_op1(p, OPCODE_MOV, fog, WRITEMASK_X, input);
- break;
+ input = get_eye_position_z(p);
+ emit_op1(p, OPCODE_MOV, fog, WRITEMASK_X, input);
+ break;
case FDM_EYE_PLANE_ABS: /* Z = abs(Ze) */
- input = get_eye_position_z(p);
- emit_op1(p, OPCODE_ABS, fog, WRITEMASK_X, input);
- break;
- default: assert(0); break; /* can't happen */
+ input = get_eye_position_z(p);
+ emit_op1(p, OPCODE_ABS, fog, WRITEMASK_X, input);
+ break;
+ default:
+ assert(!"Bad fog mode in build_fog()");
+ break;
}
}