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authorGuillaume Melquiond <guillaume.melquiond@gmail.com>2008-12-09 13:15:05 -0800
committerEric Anholt <eric@anholt.net>2008-12-09 13:18:02 -0800
commit3b9bc821e1dfe39905585746166183264c335416 (patch)
tree2fbb2eb5c553bb45f21a2e65cf16d747074af68c /src/mesa/tnl
parentb66495a0d915f5d5cc5ab50c843c9c1b296a5851 (diff)
tnl: Fix zeroing of the 3ub part of a 3ub+1ub attrib pair in SSE.
Bug #16520.
Diffstat (limited to 'src/mesa/tnl')
-rw-r--r--src/mesa/tnl/t_vertex_sse.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/tnl/t_vertex_sse.c b/src/mesa/tnl/t_vertex_sse.c
index 07adc1ed79..7a255d680a 100644
--- a/src/mesa/tnl/t_vertex_sse.c
+++ b/src/mesa/tnl/t_vertex_sse.c
@@ -354,6 +354,7 @@ static GLboolean build_vertex_emit( struct x86_program *p )
struct x86_reg temp = x86_make_reg(file_XMM, 0);
struct x86_reg vp0 = x86_make_reg(file_XMM, 1);
struct x86_reg vp1 = x86_make_reg(file_XMM, 2);
+ struct x86_reg temp2 = x86_make_reg(file_XMM, 3);
GLubyte *fixup, *label;
/* Push a few regs?
@@ -526,7 +527,8 @@ static GLboolean build_vertex_emit( struct x86_program *p )
sse_shufps(&p->func, temp, temp, SHUF(W,X,Y,Z));
get_src_ptr(p, srcECX, vtxESI, &a[1]);
- emit_load(p, temp, 1, x86_deref(srcECX), a[1].inputsize);
+ emit_load(p, temp2, 1, x86_deref(srcECX), a[1].inputsize);
+ sse_movss(&p->func, temp, temp2);
update_src_ptr(p, srcECX, vtxESI, &a[1]);
/* Rearrange and possibly do BGR conversion: