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i965: restore the flag after building the subroutine of the 

GS thread. fix #13240
This commit is contained in:
Xiang, Haihao 2007-12-19 09:59:37 +08:00
parent 88f1419f96
commit e3a1ae0fcb
1 changed files with 12 additions and 1 deletions
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13
src/mesa/drivers/dri/i965/brw_sf_emit.c
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@ -645,6 +645,8 @@ void brw_emit_anyprim_setup( struct brw_sf_compile *c )
struct brw_reg primmask;
struct brw_instruction *jmp;
struct brw_reg v1_null_ud = vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_UD));
GLuint saveflag;
alloc_regs(c);
@ -663,10 +665,15 @@ void brw_emit_anyprim_setup( struct brw_sf_compile *c )
(1<<_3DPRIM_TRIFAN_NOSTIPPLE)));
jmp = brw_JMPI(p, ip, ip, brw_imm_w(0));
{
saveflag = p->flag_value;
brw_push_insn_state(p);
brw_emit_tri_setup( c );
brw_pop_insn_state(p);
/* note - thread killed in subroutine */
p->flag_value = saveflag;
/* note - thread killed in subroutine, so must
* restore the flag which is changed when building
* the subroutine. fix #13240
*/
}
brw_land_fwd_jump(p, jmp);
@ -679,9 +686,11 @@ void brw_emit_anyprim_setup( struct brw_sf_compile *c )
(1<<_3DPRIM_LINESTRIP_CONT_BF)));
jmp = brw_JMPI(p, ip, ip, brw_imm_w(0));
{
saveflag = p->flag_value;
brw_push_insn_state(p);
brw_emit_line_setup( c );
brw_pop_insn_state(p);
p->flag_value = saveflag;
/* note - thread killed in subroutine */
}
brw_land_fwd_jump(p, jmp);
@ -690,9 +699,11 @@ void brw_emit_anyprim_setup( struct brw_sf_compile *c )
brw_AND(p, v1_null_ud, payload_attr, brw_imm_ud(1<<BRW_SPRITE_POINT_ENABLE));
jmp = brw_JMPI(p, ip, ip, brw_imm_w(0));
{
saveflag = p->flag_value;
brw_push_insn_state(p);
brw_emit_point_sprite_setup( c );
brw_pop_insn_state(p);
p->flag_value = saveflag;
}
brw_land_fwd_jump(p, jmp);