static void emit_points(struct brw_clip_compile *c,
bool do_offset )
{
struct brw_compile *p = &c->func;
const struct brw_context *brw = p->brw;
struct brw_indirect v0 = brw_indirect(0, 0);
struct brw_indirect v0ptr = brw_indirect(2, 0);
brw_MOV(p, c->reg.loopcount, c->reg.nr_verts);
brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist));
brw_DO(p, BRW_EXECUTE_1);
{
brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));
/* draw if edgeflag != 0
*/
brw_CMP(p,
vec1(brw_null_reg()), BRW_CONDITIONAL_NZ,
deref_1f(v0, brw_varying_to_offset(&c->vue_map,
VARYING_SLOT_EDGE)),
brw_imm_f(0));
brw_IF(p, BRW_EXECUTE_1);
{
if (do_offset)
apply_one_offset(c, v0);
brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE,
(_3DPRIM_POINTLIST << URB_WRITE_PRIM_TYPE_SHIFT)
| URB_WRITE_PRIM_START | URB_WRITE_PRIM_END);
}
brw_ENDIF(p);
brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
}
brw_WHILE(p);
brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
}
static void emit_points(struct brw_clip_compile *c,
bool do_offset )
{
struct brw_compile *p = &c->func;
struct brw_indirect v0 = brw_indirect(0, 0);
struct brw_indirect v0ptr = brw_indirect(2, 0);
brw_MOV(p, c->reg.loopcount, c->reg.nr_verts);
brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist));
brw_DO(p, BRW_EXECUTE_1);
{
brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));
/* draw if edgeflag != 0
*/
brw_CMP(p,
vec1(brw_null_reg()), BRW_CONDITIONAL_NZ,
deref_1f(v0, brw_vert_result_to_offset(&c->vue_map,
VARYING_SLOT_EDGE)),
brw_imm_f(0));
brw_IF(p, BRW_EXECUTE_1);
{
if (do_offset)
apply_one_offset(c, v0);
brw_clip_emit_vue(c, v0, 1, 0,
(_3DPRIM_POINTLIST << URB_WRITE_PRIM_TYPE_SHIFT)
| URB_WRITE_PRIM_START | URB_WRITE_PRIM_END);
}
brw_ENDIF(p);
brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
}
brw_WHILE(p);
}
static void emit_points(struct brw_clip_compile *c,
GLboolean do_offset )
{
struct brw_compile *p = &c->func;
struct brw_instruction *loop;
struct brw_instruction *draw_point;
struct brw_indirect v0 = brw_indirect(0, 0);
struct brw_indirect v0ptr = brw_indirect(2, 0);
brw_MOV(p, c->reg.loopcount, c->reg.nr_verts);
brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist));
loop = brw_DO(p, BRW_EXECUTE_1);
{
brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));
/* draw if edgeflag != 0
*/
brw_CMP(p,
vec1(brw_null_reg()), BRW_CONDITIONAL_NZ,
deref_1f(v0, c->offset[VERT_RESULT_EDGE]),
brw_imm_f(0));
draw_point = brw_IF(p, BRW_EXECUTE_1);
{
if (do_offset)
apply_one_offset(c, v0);
brw_clip_emit_vue(c, v0, 1, 0, (_3DPRIM_POINTLIST << 2) | R02_PRIM_START | R02_PRIM_END);
}
brw_ENDIF(p, draw_point);
brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
}
brw_WHILE(p, loop);
}
/***********************************************************************
* Output clipped polygon as an unfilled primitive:
*/
static void emit_lines(struct brw_clip_compile *c,
bool do_offset)
{
struct brw_compile *p = &c->func;
const struct brw_context *brw = p->brw;
struct brw_indirect v0 = brw_indirect(0, 0);
struct brw_indirect v1 = brw_indirect(1, 0);
struct brw_indirect v0ptr = brw_indirect(2, 0);
struct brw_indirect v1ptr = brw_indirect(3, 0);
/* Need a seperate loop for offset:
*/
if (do_offset) {
brw_MOV(p, c->reg.loopcount, c->reg.nr_verts);
brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist));
brw_DO(p, BRW_EXECUTE_1);
{
brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));
apply_one_offset(c, v0);
brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_G);
}
brw_WHILE(p);
brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
}
/* v1ptr = &inlist[nr_verts]
* *v1ptr = v0
*/
brw_MOV(p, c->reg.loopcount, c->reg.nr_verts);
brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist));
brw_ADD(p, get_addr_reg(v1ptr), get_addr_reg(v0ptr), retype(c->reg.nr_verts, BRW_REGISTER_TYPE_UW));
brw_ADD(p, get_addr_reg(v1ptr), get_addr_reg(v1ptr), retype(c->reg.nr_verts, BRW_REGISTER_TYPE_UW));
brw_MOV(p, deref_1uw(v1ptr, 0), deref_1uw(v0ptr, 0));
brw_DO(p, BRW_EXECUTE_1);
{
brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
brw_MOV(p, get_addr_reg(v1), deref_1uw(v0ptr, 2));
brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));
/* draw edge if edgeflag != 0 */
brw_CMP(p,
vec1(brw_null_reg()), BRW_CONDITIONAL_NZ,
deref_1f(v0, brw_varying_to_offset(&c->vue_map,
VARYING_SLOT_EDGE)),
brw_imm_f(0));
brw_IF(p, BRW_EXECUTE_1);
{
brw_clip_emit_vue(c, v0, BRW_URB_WRITE_ALLOCATE_COMPLETE,
(_3DPRIM_LINESTRIP << URB_WRITE_PRIM_TYPE_SHIFT)
| URB_WRITE_PRIM_START);
brw_clip_emit_vue(c, v1, BRW_URB_WRITE_ALLOCATE_COMPLETE,
(_3DPRIM_LINESTRIP << URB_WRITE_PRIM_TYPE_SHIFT)
| URB_WRITE_PRIM_END);
}
brw_ENDIF(p);
brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
brw_inst_set_cond_modifier(brw, brw_last_inst, BRW_CONDITIONAL_NZ);
}
brw_WHILE(p);
brw_inst_set_pred_control(brw, brw_last_inst, BRW_PREDICATE_NORMAL);
}
/***********************************************************************
* Output clipped polygon as an unfilled primitive:
*/
static void emit_lines(struct brw_clip_compile *c,
GLboolean do_offset)
{
struct brw_compile *p = &c->func;
struct brw_instruction *loop;
struct brw_instruction *draw_edge;
struct brw_indirect v0 = brw_indirect(0, 0);
struct brw_indirect v1 = brw_indirect(1, 0);
struct brw_indirect v0ptr = brw_indirect(2, 0);
struct brw_indirect v1ptr = brw_indirect(3, 0);
/* Need a seperate loop for offset:
*/
if (do_offset) {
brw_MOV(p, c->reg.loopcount, c->reg.nr_verts);
brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist));
loop = brw_DO(p, BRW_EXECUTE_1);
{
brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));
apply_one_offset(c, v0);
brw_set_conditionalmod(p, BRW_CONDITIONAL_G);
brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
}
brw_WHILE(p, loop);
}
/* v1ptr = &inlist[nr_verts]
* *v1ptr = v0
*/
brw_MOV(p, c->reg.loopcount, c->reg.nr_verts);
brw_MOV(p, get_addr_reg(v0ptr), brw_address(c->reg.inlist));
brw_ADD(p, get_addr_reg(v1ptr), get_addr_reg(v0ptr), retype(c->reg.nr_verts, BRW_REGISTER_TYPE_UW));
brw_ADD(p, get_addr_reg(v1ptr), get_addr_reg(v1ptr), retype(c->reg.nr_verts, BRW_REGISTER_TYPE_UW));
brw_MOV(p, deref_1uw(v1ptr, 0), deref_1uw(v0ptr, 0));
loop = brw_DO(p, BRW_EXECUTE_1);
{
brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
brw_MOV(p, get_addr_reg(v1), deref_1uw(v0ptr, 2));
brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));
/* draw edge if edgeflag != 0 */
brw_CMP(p,
vec1(brw_null_reg()), BRW_CONDITIONAL_NZ,
deref_1f(v0, c->offset[VERT_RESULT_EDGE]),
brw_imm_f(0));
draw_edge = brw_IF(p, BRW_EXECUTE_1);
{
brw_clip_emit_vue(c, v0, 1, 0, (_3DPRIM_LINESTRIP << 2) | R02_PRIM_START);
brw_clip_emit_vue(c, v1, 1, 0, (_3DPRIM_LINESTRIP << 2) | R02_PRIM_END);
}
brw_ENDIF(p, draw_edge);
brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
}
brw_WHILE(p, loop);
}