diff options
Diffstat (limited to 'src/mesa/main/ffvertex_prog.c')
| -rw-r--r-- | src/mesa/main/ffvertex_prog.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c index be6ac0f2af5..074fbf9a3f4 100644 --- a/src/mesa/main/ffvertex_prog.c +++ b/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; } } |