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i965: Unalias src/dst registers for SGE and friends.

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Fixes piglit vp-sge-alias test, and the googleearth ground shader.  \o/

Bug #22228
This commit is contained in:
Eric Anholt 2009-11-10 10:54:15 -08:00
parent d52d78b4bc
commit 56ab92bad8
1 changed files with 21 additions and 19 deletions
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40
src/mesa/drivers/dri/i965/brw_vs_emit.c
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@ -331,63 +331,65 @@ static void unalias3( struct brw_vs_compile *c,
}
}
static void emit_sop( struct brw_compile *p,
static void emit_sop( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1,
GLuint cond)
{
struct brw_compile *p = &c->func;
brw_MOV(p, dst, brw_imm_f(0.0f));
brw_CMP(p, brw_null_reg(), cond, arg0, arg1);
brw_MOV(p, dst, brw_imm_f(1.0f));
brw_set_predicate_control_flag_value(p, 0xff);
}
static void emit_seq( struct brw_compile *p,
static void emit_seq( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_EQ);
emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_EQ);
}
static void emit_sne( struct brw_compile *p,
static void emit_sne( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_NEQ);
emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_NEQ);
}
static void emit_slt( struct brw_compile *p,
static void emit_slt( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_L);
emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_L);
}
static void emit_sle( struct brw_compile *p,
static void emit_sle( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_LE);
emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_LE);
}
static void emit_sgt( struct brw_compile *p,
static void emit_sgt( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_G);
emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_G);
}
static void emit_sge( struct brw_compile *p,
static void emit_sge( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_GE);
emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_GE);
}
static void emit_max( struct brw_compile *p,
@ -1473,25 +1475,25 @@ void brw_vs_emit(struct brw_vs_compile *c )
break;
case OPCODE_SEQ:
emit_seq(p, dst, args[0], args[1]);
unalias2(c, dst, args[0], args[1], emit_seq);
break;
case OPCODE_SIN:
emit_math1(c, BRW_MATH_FUNCTION_SIN, dst, args[0], BRW_MATH_PRECISION_FULL);
break;
case OPCODE_SNE:
emit_sne(p, dst, args[0], args[1]);
unalias2(c, dst, args[0], args[1], emit_sne);
break;
case OPCODE_SGE:
emit_sge(p, dst, args[0], args[1]);
unalias2(c, dst, args[0], args[1], emit_sge);
break;
case OPCODE_SGT:
emit_sgt(p, dst, args[0], args[1]);
unalias2(c, dst, args[0], args[1], emit_sgt);
break;
case OPCODE_SLT:
emit_slt(p, dst, args[0], args[1]);
unalias2(c, dst, args[0], args[1], emit_slt);
break;
case OPCODE_SLE:
emit_sle(p, dst, args[0], args[1]);
unalias2(c, dst, args[0], args[1], emit_sle);
break;
case OPCODE_SUB:
brw_ADD(p, dst, args[0], negate(args[1]));