diff options
Diffstat (limited to 'src/mesa/tnl/t_vp_build.c')
| -rw-r--r-- | src/mesa/tnl/t_vp_build.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/mesa/tnl/t_vp_build.c b/src/mesa/tnl/t_vp_build.c index 2a97a1c8c7..2663d99304 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 |