From 3b9bc821e1dfe39905585746166183264c335416 Mon Sep 17 00:00:00 2001 From: Guillaume Melquiond Date: Tue, 9 Dec 2008 13:15:05 -0800 Subject: tnl: Fix zeroing of the 3ub part of a 3ub+1ub attrib pair in SSE. Bug #16520. --- src/mesa/tnl/t_vertex_sse.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/mesa') diff --git a/src/mesa/tnl/t_vertex_sse.c b/src/mesa/tnl/t_vertex_sse.c index 07adc1ed79e..7a255d680a1 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: -- cgit v1.2.3