unsigned int curbe_offset;
unsigned int nr_urb_entries, urb_size;
+
+ GLboolean depth_clamp;
};
static void
clip_unit_populate_key(struct brw_context *brw, struct brw_clip_unit_key *key)
{
+ GLcontext *ctx = &brw->intel.ctx;
memset(key, 0, sizeof(*key));
/* CACHE_NEW_CLIP_PROG */
/* BRW_NEW_URB_FENCE */
key->nr_urb_entries = brw->urb.nr_clip_entries;
key->urb_size = brw->urb.vsize;
+
+ /* _NEW_TRANSOFORM */
+ key->depth_clamp = ctx->Transform.DepthClamp;
}
static dri_bo *
* even number.
*/
assert(key->nr_urb_entries % 2 == 0);
- clip.thread4.max_threads = 2 - 1;
+
+ /* Although up to 16 concurrent Clip threads are allowed on IGDNG,
+ * only 2 threads can output VUEs at a time.
+ */
+ if (BRW_IS_IGDNG(brw))
+ clip.thread4.max_threads = 16 - 1;
+ else
+ clip.thread4.max_threads = 2 - 1;
} else {
assert(key->nr_urb_entries >= 5);
clip.thread4.max_threads = 1 - 1;
clip.clip5.userclip_enable_flags = 0x7f;
clip.clip5.userclip_must_clip = 1;
clip.clip5.guard_band_enable = 0;
- clip.clip5.viewport_z_clip_enable = 1;
+ if (!key->depth_clamp)
+ clip.clip5.viewport_z_clip_enable = 1;
clip.clip5.viewport_xy_clip_enable = 1;
clip.clip5.vertex_position_space = BRW_CLIP_NDCSPACE;
clip.clip5.api_mode = BRW_CLIP_API_OGL;
const struct brw_tracked_state brw_clip_unit = {
.dirty = {
- .mesa = 0,
+ .mesa = _NEW_TRANSFORM,
.brw = (BRW_NEW_CURBE_OFFSETS |
BRW_NEW_URB_FENCE),
.cache = CACHE_NEW_CLIP_PROG