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[965] Convert clip unit to use a cache key instead of brw_cache_data.

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This commit is contained in:
Eric Anholt 2008-01-02 13:53:32 -08:00
parent b35811e1b3
commit 114b802e87
1 changed files with 64 additions and 21 deletions
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85
src/mesa/drivers/dri/i965/brw_clip_state.c
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@ -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 )
unsigned int nr_urb_entries, urb_size;
};
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 */
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 */
key->curbe_offset = brw->curbe.clip_start;
/* BRW_NEW_URB_FENCE */
key->nr_urb_entries = brw->urb.nr_clip_entries;
key->urb_size = brw->urb.vsize;
}
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));
/* CACHE_NEW_CLIP_PROG */
clip.thread0.grf_reg_count =
ALIGN(brw->clip.prog_data->total_grf, 16) / 16 - 1;
clip.thread0.grf_reg_count = ALIGN(key->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;
/* BRW_NEW_CURBE_OFFSETS */
clip.thread3.const_urb_entry_read_offset = brw->curbe.clip_start * 2;
clip.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
clip.thread1.single_program_flow = 1;
/* 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.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.thread4.stats_enable = 1;
/* CONSTANT */
clip.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
clip.thread1.single_program_flow = 1;
clip.thread3.dispatch_grf_start_reg = 1;
clip.thread3.urb_entry_read_offset = 0;
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)