示例#1
0
void brw_emit_anyprim_setup( struct brw_sf_compile *c )
{
   struct brw_compile *p = &c->func;
   struct brw_context *brw = p->brw;
   struct brw_reg payload_prim = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0);
   struct brw_reg payload_attr = get_element_ud(brw_vec1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0), 0);
   struct brw_reg primmask;
   int jmp;
   struct brw_reg v1_null_ud = vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_UD));

   c->nr_verts = 3;
   alloc_regs(c);

   primmask = retype(get_element(c->tmp, 0), BRW_REGISTER_TYPE_UD);

   brw_MOV(p, primmask, brw_imm_ud(1));
   brw_SHL(p, primmask, primmask, payload_prim);

   brw_AND(p, v1_null_ud, primmask, brw_imm_ud((1<<_3DPRIM_TRILIST) |
					       (1<<_3DPRIM_TRISTRIP) |
					       (1<<_3DPRIM_TRIFAN) |
					       (1<<_3DPRIM_TRISTRIP_REVERSE) |
					       (1<<_3DPRIM_POLYGON) |
					       (1<<_3DPRIM_RECTLIST) |
					       (1<<_3DPRIM_TRIFAN_NOSTIPPLE)));
   brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_Z);
   jmp = brw_JMPI(p, brw_imm_d(0), BRW_PREDICATE_NORMAL) - p->store;
   brw_emit_tri_setup(c, false);
   brw_land_fwd_jump(p, jmp);

   brw_AND(p, v1_null_ud, primmask, brw_imm_ud((1<<_3DPRIM_LINELIST) |
					       (1<<_3DPRIM_LINESTRIP) |
					       (1<<_3DPRIM_LINELOOP) |
					       (1<<_3DPRIM_LINESTRIP_CONT) |
					       (1<<_3DPRIM_LINESTRIP_BF) |
					       (1<<_3DPRIM_LINESTRIP_CONT_BF)));
   brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_Z);
   jmp = brw_JMPI(p, brw_imm_d(0), BRW_PREDICATE_NORMAL) - p->store;
   brw_emit_line_setup(c, false);
   brw_land_fwd_jump(p, jmp);

   brw_AND(p, v1_null_ud, payload_attr, brw_imm_ud(1<<BRW_SPRITE_POINT_ENABLE));
   brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_Z);
   jmp = brw_JMPI(p, brw_imm_d(0), BRW_PREDICATE_NORMAL) - p->store;
   brw_emit_point_sprite_setup(c, false);
   brw_land_fwd_jump(p, jmp);

   brw_emit_point_setup( c, false );
}
static void prealloc_reg(struct brw_wm_compile *c)
{
    int i, j;
    struct brw_reg reg;
    int nr_interp_regs = 0;
    GLuint inputs = FRAG_BIT_WPOS | c->fp_interp_emitted | c->fp_deriv_emitted;

    for (i = 0; i < 4; i++) {
	reg = (i < c->key.nr_depth_regs) 
	    ? brw_vec8_grf(i*2, 0) : brw_vec8_grf(0, 0);
	set_reg(c, PROGRAM_PAYLOAD, PAYLOAD_DEPTH, i, reg);
    }
    c->reg_index += 2*c->key.nr_depth_regs;
    {
	int nr_params = c->fp->program.Base.Parameters->NumParameters;
	struct gl_program_parameter_list *plist = 
	    c->fp->program.Base.Parameters;
	int index = 0;
	c->prog_data.nr_params = 4*nr_params;
	for (i = 0; i < nr_params; i++) {
	    for (j = 0; j < 4; j++, index++) {
		reg = brw_vec1_grf(c->reg_index + index/8, 
			index%8);
		c->prog_data.param[index] = 
		    &plist->ParameterValues[i][j];
		set_reg(c, PROGRAM_STATE_VAR, i, j, reg);
	    }
	}
	c->nr_creg = 2*((4*nr_params+15)/16);
	c->reg_index += c->nr_creg;
    }
    for (i = 0; i < FRAG_ATTRIB_MAX; i++) {
	if (inputs & (1<<i)) {
	    nr_interp_regs++;
	    reg = brw_vec8_grf(c->reg_index, 0);
	    for (j = 0; j < 4; j++)
		set_reg(c, PROGRAM_PAYLOAD, i, j, reg);
	    c->reg_index += 2;

	}
    }
    c->prog_data.first_curbe_grf = c->key.nr_depth_regs * 2;
    c->prog_data.urb_read_length = nr_interp_regs * 2;
    c->prog_data.curb_read_length = c->nr_creg;
    c->emit_mask_reg = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0);
    c->reg_index++;
    c->stack =  brw_uw16_reg(BRW_GENERAL_REGISTER_FILE, c->reg_index, 0);
    c->reg_index += 2;
}
示例#3
0
void brw_emit_anyprim_setup( struct brw_sf_compile *c )
{
    struct brw_compile *p = &c->func;
    struct brw_reg ip = brw_ip_reg();
    struct brw_reg payload_prim = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0);
    struct brw_reg payload_attr = get_element_ud(brw_vec1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0), 0);
    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;

    c->nr_verts = 3;
    alloc_regs(c);

    primmask = retype(get_element(c->tmp, 0), BRW_REGISTER_TYPE_UD);

    brw_MOV(p, primmask, brw_imm_ud(1));
    brw_SHL(p, primmask, primmask, payload_prim);

    brw_set_conditionalmod(p, BRW_CONDITIONAL_Z);
    brw_AND(p, v1_null_ud, primmask, brw_imm_ud((1<<_3DPRIM_TRILIST) |
            (1<<_3DPRIM_TRISTRIP) |
            (1<<_3DPRIM_TRIFAN) |
            (1<<_3DPRIM_TRISTRIP_REVERSE) |
            (1<<_3DPRIM_POLYGON) |
            (1<<_3DPRIM_RECTLIST) |
            (1<<_3DPRIM_TRIFAN_NOSTIPPLE)));
    jmp = brw_JMPI(p, ip, ip, brw_imm_d(0));
    {
        saveflag = p->flag_value;
        brw_push_insn_state(p);
        brw_emit_tri_setup( c, GL_FALSE );
        brw_pop_insn_state(p);
        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);

    brw_set_conditionalmod(p, BRW_CONDITIONAL_Z);
    brw_AND(p, v1_null_ud, primmask, brw_imm_ud((1<<_3DPRIM_LINELIST) |
            (1<<_3DPRIM_LINESTRIP) |
            (1<<_3DPRIM_LINELOOP) |
            (1<<_3DPRIM_LINESTRIP_CONT) |
            (1<<_3DPRIM_LINESTRIP_BF) |
            (1<<_3DPRIM_LINESTRIP_CONT_BF)));
    jmp = brw_JMPI(p, ip, ip, brw_imm_d(0));
    {
        saveflag = p->flag_value;
        brw_push_insn_state(p);
        brw_emit_line_setup( c, GL_FALSE );
        brw_pop_insn_state(p);
        p->flag_value = saveflag;
        /* note - thread killed in subroutine */
    }
    brw_land_fwd_jump(p, jmp);

    brw_set_conditionalmod(p, BRW_CONDITIONAL_Z);
    brw_AND(p, v1_null_ud, payload_attr, brw_imm_ud(1<<BRW_SPRITE_POINT_ENABLE));
    jmp = brw_JMPI(p, ip, ip, brw_imm_d(0));
    {
        saveflag = p->flag_value;
        brw_push_insn_state(p);
        brw_emit_point_sprite_setup( c, GL_FALSE );
        brw_pop_insn_state(p);
        p->flag_value = saveflag;
    }
    brw_land_fwd_jump(p, jmp);

    brw_emit_point_setup( c, GL_FALSE );
}