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Diffstat (limited to 'src/mesa/tnl/t_vp_build.c')
-rw-r--r--src/mesa/tnl/t_vp_build.c12
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