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-rw-r--r--src/gallium/auxiliary/draw/draw_vs_aos_io.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_aos_io.c b/src/gallium/auxiliary/draw/draw_vs_aos_io.c
index ab3c5b94a5..26297c74f8 100644
--- a/src/gallium/auxiliary/draw/draw_vs_aos_io.c
+++ b/src/gallium/auxiliary/draw/draw_vs_aos_io.c
@@ -55,9 +55,13 @@ static void emit_load_R32G32B32( struct aos_compilation *cp,
struct x86_reg src_ptr )
{
sse_movss(cp->func, data, x86_make_disp(src_ptr, 8));
+ /* data = z ? ? ? */
sse_shufps(cp->func, data, aos_get_internal_xmm( cp, IMM_IDENTITY ), SHUF(X,Y,Z,W) );
+ /* data = z ? 0 1 */
sse_shufps(cp->func, data, data, SHUF(Y,Z,X,W) );
+ /* data = ? 0 z 1 */
sse_movlps(cp->func, data, src_ptr);
+ /* data = x y z 1 */
}
static void emit_load_R32G32( struct aos_compilation *cp,