diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_tnl.c | 27 | ||||
| -rw-r--r-- | src/mesa/tnl/t_vp_build.c | 12 |
2 files changed, 19 insertions, 20 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_tnl.c b/src/mesa/drivers/dri/i965/brw_vs_tnl.c index c05a9b5ea10..e22a26b2917 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_tnl.c +++ b/src/mesa/drivers/dri/i965/brw_vs_tnl.c @@ -850,14 +850,13 @@ static struct ureg calculate_light_attenuation( struct tnl_program *p, /* Calculate spot attenuation: */ if (!p->state->unit[i].light_spotcutoff_is_180) { - struct ureg spot_dir = register_param3(p, STATE_LIGHT, i, - STATE_SPOT_DIRECTION); + struct ureg spot_dir_norm = register_param3(p, STATE_INTERNAL, + STATE_SPOT_DIR_NORMALIZED, i); struct ureg spot = get_temp(p); struct ureg slt = get_temp(p); - - emit_normalize_vec3( p, spot, spot_dir ); /* XXX: precompute! */ - emit_op2(p, OPCODE_DP3, spot, 0, ureg_negate(VPpli), spot); - emit_op2(p, OPCODE_SLT, slt, 0, swizzle1(spot_dir,W), spot); + + emit_op2(p, OPCODE_DP3, spot, 0, ureg_negate(VPpli), spot_dir_norm); + emit_op2(p, OPCODE_SLT, slt, 0, swizzle1(spot_dir_norm,W), spot); emit_op2(p, OPCODE_POW, spot, 0, spot, swizzle1(attenuation, W)); emit_op2(p, OPCODE_MUL, att, 0, slt, spot); @@ -1166,7 +1165,8 @@ static void build_fog( struct tnl_program *p ) if (p->state->fog_option && p->state->tnl_do_vertex_fog) { - struct ureg params = register_param1(p, STATE_FOG_PARAMS); + struct ureg params = register_param2(p, STATE_INTERNAL, + STATE_FOG_PARAMS_OPTIMIZED); struct ureg tmp = get_temp(p); struct ureg id = get_identity_param(p); @@ -1174,8 +1174,7 @@ static void build_fog( struct tnl_program *p ) switch (p->state->fog_option) { case FOG_LINEAR: { - emit_op1(p, OPCODE_ABS, tmp, 0, input); - emit_op2(p, OPCODE_SUB, tmp, 0, swizzle1(params,Z), tmp); + emit_op3(p, OPCODE_MAD, tmp, 0, input, swizzle1(params,X), swizzle1(params,Y)); emit_op2(p, OPCODE_MUL, tmp, 0, tmp, swizzle1(params,W)); emit_op2(p, OPCODE_MAX, tmp, 0, tmp, swizzle1(id,X)); /* saturate */ emit_op2(p, OPCODE_MIN, fog, WRITEMASK_X, tmp, swizzle1(id,W)); @@ -1183,15 +1182,13 @@ static void build_fog( struct tnl_program *p ) } case FOG_EXP: emit_op1(p, OPCODE_ABS, tmp, 0, input); - emit_op2(p, OPCODE_MUL, tmp, 0, tmp, swizzle1(params,X)); - emit_op2(p, OPCODE_POW, fog, WRITEMASK_X, - register_const1f(p, M_E), ureg_negate(tmp)); + emit_op2(p, OPCODE_MUL, tmp, 0, tmp, swizzle1(params,Z)); + emit_op1(p, OPCODE_EX2, fog, WRITEMASK_X, ureg_negate(tmp)); break; case FOG_EXP2: - emit_op2(p, OPCODE_MUL, tmp, 0, input, swizzle1(params,X)); + emit_op2(p, OPCODE_MUL, tmp, 0, input, swizzle1(params,W)); emit_op2(p, OPCODE_MUL, tmp, 0, tmp, tmp); - emit_op2(p, OPCODE_POW, fog, WRITEMASK_X, - register_const1f(p, M_E), ureg_negate(tmp)); + emit_op1(p, OPCODE_EX2, fog, WRITEMASK_X, ureg_negate(tmp)); break; } diff --git a/src/mesa/tnl/t_vp_build.c b/src/mesa/tnl/t_vp_build.c index 2a97a1c8c76..2663d993049 100644 --- a/src/mesa/tnl/t_vp_build.c +++ b/src/mesa/tnl/t_vp_build.c @@ -1329,14 +1329,16 @@ static void build_pointsize( struct tnl_program *p ) struct ureg out = register_output(p, VERT_RESULT_PSIZ); struct ureg ut = get_temp(p); + /* dist = |eyez| */ + emit_op1(p, OPCODE_ABS, ut, WRITEMASK_Y, swizzle1(eye, Z)); /* p1 + dist * (p2 + dist * p3); */ - emit_op3(p, OPCODE_MAD, ut, 0, negate(swizzle1(eye, Z)), + emit_op3(p, OPCODE_MAD, ut, WRITEMASK_X, swizzle1(ut, Y), swizzle1(state_attenuation, Z), swizzle1(state_attenuation, Y)); - emit_op3(p, OPCODE_MAD, ut, 0, negate(swizzle1(eye, Z)), + emit_op3(p, OPCODE_MAD, ut, WRITEMASK_X, swizzle1(ut, Y), ut, swizzle1(state_attenuation, X)); /* 1 / sqrt(factor) */ - emit_op1(p, OPCODE_RSQ, ut, 0, ut ); + emit_op1(p, OPCODE_RSQ, ut, WRITEMASK_X, ut ); #if 1 /* out = pointSize / sqrt(factor) */ @@ -1344,8 +1346,8 @@ static void build_pointsize( struct tnl_program *p ) #else /* not sure, might make sense to do clamping here, but it's not done in t_vb_points neither */ - emit_op2(p, OPCODE_MUL, ut, 0, ut, state_size); - emit_op2(p, OPCODE_MAX, ut, 0, ut, swizzle1(state_size, Y)); + emit_op2(p, OPCODE_MUL, ut, WRITEMASK_X, ut, state_size); + emit_op2(p, OPCODE_MAX, ut, WRITEMASK_X, ut, swizzle1(state_size, Y)); emit_op2(p, OPCODE_MIN, out, WRITEMASK_X, ut, swizzle1(state_size, Z)); #endif |