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draw: Describe the steps in emit_load_R32G32B32A32.

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This commit is contained in:
José Fonseca 2008-09-03 10:30:09 +09:00
parent a28aa18543
commit 82086f5d21
1 changed files with 4 additions and 0 deletions
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4
src/gallium/auxiliary/draw/draw_vs_aos_io.c
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@ -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,