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Revert "mesa: save a temp on normalizes"

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This reverts commit feceb43948.
This commit is contained in:
Keith Whitwell
2008-05-24 16:32:08 +01:00
parent 86e529ad90
commit 48a24f0ff7
1 changed files with 6 additions and 4 deletions
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src/mesa/main/ffvertex_prog.c
+6 -4
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@@ -305,7 +305,7 @@ static struct state_key *make_state_key( GLcontext *ctx )
* generated program with line/function references for each
* instruction back into this file:
*/
#define DISASSEM 1
#define DISASSEM (MESA_VERBOSE&VERBOSE_DISASSEM)
/* Should be tunable by the driver - do we want to do matrix
* multiplications with DP4's or with MUL/MAD's? SSE works better
@@ -687,9 +687,11 @@ static void emit_normalize_vec3( struct tnl_program *p,
struct ureg dest,
struct ureg src )
{
emit_op2(p, OPCODE_DP3, dest, WRITEMASK_X, src, src);
emit_op1(p, OPCODE_RSQ, dest, WRITEMASK_X, dest);
emit_op2(p, OPCODE_MUL, dest, 0, src, swizzle1(dest, X));
struct ureg tmp = get_temp(p);
emit_op2(p, OPCODE_DP3, tmp, WRITEMASK_X, src, src);
emit_op1(p, OPCODE_RSQ, tmp, WRITEMASK_X, tmp);
emit_op2(p, OPCODE_MUL, dest, 0, src, swizzle1(tmp, X));
release_temp(p, tmp);
}
static void emit_passthrough( struct tnl_program *p,