static void emit_primitives( struct brw_clip_compile *c,
GLuint mode,
bool do_offset )
{
switch (mode) {
case CLIP_FILL:
brw_clip_tri_emit_polygon(c);
break;
case CLIP_LINE:
emit_lines(c, do_offset);
break;
case CLIP_POINT:
emit_points(c, do_offset);
break;
case CLIP_CULL:
unreachable("not reached");
}
}
void brw_emit_tri_clip( struct brw_clip_compile *c )
{
struct brw_instruction *neg_rhw;
struct brw_compile *p = &c->func;
brw_clip_tri_alloc_regs(c, 3 + c->key.nr_userclip + 6);
brw_clip_tri_init_vertices(c);
brw_clip_init_clipmask(c);
brw_clip_init_ff_sync(c);
/* if -ve rhw workaround bit is set,
do cliptest */
if (c->chipset.is_965) {
brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2),
brw_imm_ud(1<<20));
neg_rhw = brw_IF(p, BRW_EXECUTE_1);
{
brw_clip_test(c);
}
brw_ENDIF(p, neg_rhw);
}
/* Can't push into do_clip_tri because with polygon (or quad)
* flatshading, need to apply the flatshade here because we don't
* respect the PV when converting to trifan for emit:
*/
if (c->key.do_flat_shading)
brw_clip_tri_flat_shade(c);
if ((c->key.clip_mode == BRW_CLIPMODE_NORMAL) ||
(c->key.clip_mode == BRW_CLIPMODE_KERNEL_CLIP))
do_clip_tri(c);
else
maybe_do_clip_tri(c);
brw_clip_tri_emit_polygon(c);
/* Send an empty message to kill the thread:
*/
brw_clip_kill_thread(c);
}
static void emit_primitives( struct brw_clip_compile *c,
GLuint mode,
GLboolean do_offset )
{
switch (mode) {
case CLIP_FILL:
brw_clip_tri_emit_polygon(c);
break;
case CLIP_LINE:
emit_lines(c, do_offset);
break;
case CLIP_POINT:
emit_points(c, do_offset);
break;
case CLIP_CULL:
assert(0);
break;
}
}
