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-rw-r--r--src/mesa/drivers/dri/i965/brw_clip_state.c85
1 files changed, 64 insertions, 21 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_clip_state.c b/src/mesa/drivers/dri/i965/brw_clip_state.c
index 7640a39b452..cec717ee26e 100644
--- a/src/mesa/drivers/dri/i965/brw_clip_state.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_state.c
@@ -34,46 +34,72 @@
#include "brw_defines.h"
#include "macros.h"
+struct brw_clip_unit_key {
+ unsigned int total_grf;
+ unsigned int urb_entry_read_length;
+ unsigned int curb_entry_read_length;
+ unsigned int clip_mode;
+ unsigned int curbe_offset;
-static void upload_clip_unit( struct brw_context *brw )
-{
- struct brw_clip_unit_state clip;
+ unsigned int nr_urb_entries, urb_size;
+};
- memset(&clip, 0, sizeof(clip));
+static void
+clip_unit_populate_key(struct brw_context *brw, struct brw_clip_unit_key *key)
+{
+ memset(key, 0, sizeof(*key));
/* CACHE_NEW_CLIP_PROG */
- clip.thread0.grf_reg_count =
- ALIGN(brw->clip.prog_data->total_grf, 16) / 16 - 1;
- /* reloc */
- clip.thread0.kernel_start_pointer = brw->clip.prog_bo->offset >> 6;
- clip.thread3.urb_entry_read_length = brw->clip.prog_data->urb_read_length;
- clip.thread3.const_urb_entry_read_length = brw->clip.prog_data->curb_read_length;
- clip.clip5.clip_mode = brw->clip.prog_data->clip_mode;
+ key->total_grf = brw->clip.prog_data->total_grf;
+ key->urb_entry_read_length = brw->clip.prog_data->urb_read_length;
+ key->curb_entry_read_length = brw->clip.prog_data->curb_read_length;
+ key->clip_mode = brw->clip.prog_data->clip_mode;
/* BRW_NEW_CURBE_OFFSETS */
- clip.thread3.const_urb_entry_read_offset = brw->curbe.clip_start * 2;
+ key->curbe_offset = brw->curbe.clip_start;
/* BRW_NEW_URB_FENCE */
- clip.thread4.nr_urb_entries = brw->urb.nr_clip_entries;
- clip.thread4.urb_entry_allocation_size = brw->urb.vsize - 1;
- clip.thread4.max_threads = 1; /* 2 threads */
+ key->nr_urb_entries = brw->urb.nr_clip_entries;
+ key->urb_size = brw->urb.vsize;
+}
- if (INTEL_DEBUG & DEBUG_STATS)
- clip.thread4.stats_enable = 1;
+static dri_bo *
+clip_unit_create_from_key(struct brw_context *brw,
+ struct brw_clip_unit_key *key)
+{
+ struct brw_clip_unit_state clip;
+
+ memset(&clip, 0, sizeof(clip));
+
+ clip.thread0.grf_reg_count = ALIGN(key->total_grf, 16) / 16 - 1;
+ /* reloc */
+ clip.thread0.kernel_start_pointer = brw->clip.prog_bo->offset >> 6;
- /* CONSTANT */
clip.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
clip.thread1.single_program_flow = 1;
+
+ clip.thread3.urb_entry_read_length = key->urb_entry_read_length;
+ clip.thread3.const_urb_entry_read_length = key->curb_entry_read_length;
+ clip.thread3.const_urb_entry_read_offset = key->curbe_offset * 2;
clip.thread3.dispatch_grf_start_reg = 1;
clip.thread3.urb_entry_read_offset = 0;
+
+ clip.thread4.nr_urb_entries = key->nr_urb_entries;
+ clip.thread4.urb_entry_allocation_size = key->urb_size - 1;
+ clip.thread4.max_threads = 1; /* 2 threads */
+
+ if (INTEL_DEBUG & DEBUG_STATS)
+ clip.thread4.stats_enable = 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;
clip.clip5.viewport_xy_clip_enable = 1;
clip.clip5.vertex_position_space = BRW_CLIP_NDCSPACE;
- clip.clip5.api_mode = BRW_CLIP_API_OGL;
+ clip.clip5.api_mode = BRW_CLIP_API_OGL;
+ clip.clip5.clip_mode = key->clip_mode;
clip.clip6.clipper_viewport_state_ptr = 0;
clip.viewport_xmin = -1;
clip.viewport_xmax = 1;
@@ -81,10 +107,27 @@ static void upload_clip_unit( struct brw_context *brw )
clip.viewport_ymax = 1;
brw->clip.thread0_delta = clip.thread0.grf_reg_count << 1;
+ return brw_upload_cache(&brw->cache, BRW_CLIP_UNIT,
+ key, sizeof(*key),
+ &brw->clip.prog_bo, 1,
+ &clip, sizeof(clip),
+ NULL, NULL);
+}
+
+static void upload_clip_unit( struct brw_context *brw )
+{
+ struct brw_clip_unit_key key;
+
+ clip_unit_populate_key(brw, &key);
dri_bo_unreference(brw->clip.state_bo);
- brw->clip.state_bo = brw_cache_data( &brw->cache, BRW_CLIP_UNIT, &clip,
- &brw->clip.prog_bo, 1);
+ brw->clip.state_bo = brw_search_cache(&brw->cache, BRW_CLIP_UNIT,
+ &key, sizeof(key),
+ &brw->clip.prog_bo, 1,
+ NULL);
+ if (brw->clip.state_bo == NULL) {
+ brw->clip.state_bo = clip_unit_create_from_key(brw, &key);
+ }
}
static void emit_reloc_clip_unit(struct brw_context *brw)