diff options
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_state_cache.c')
-rw-r--r-- | src/gallium/drivers/i965simple/brw_state_cache.c | 443 |
1 files changed, 0 insertions, 443 deletions
diff --git a/src/gallium/drivers/i965simple/brw_state_cache.c b/src/gallium/drivers/i965simple/brw_state_cache.c deleted file mode 100644 index 094248fa69..0000000000 --- a/src/gallium/drivers/i965simple/brw_state_cache.c +++ /dev/null @@ -1,443 +0,0 @@ -/* - Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to - develop this 3D driver. - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice (including the - next paragraph) shall be included in all copies or substantial - portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - - **********************************************************************/ - /* - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - - -#include "brw_state.h" - -#include "brw_wm.h" -#include "brw_vs.h" -#include "brw_clip.h" -#include "brw_sf.h" -#include "brw_gs.h" - -#include "util/u_memory.h" - - - -/*********************************************************************** - * Check cache for uploaded version of struct, else upload new one. - * Fail when memory is exhausted. - * - * XXX: FIXME: Currently search is so slow it would be quicker to - * regenerate the data every time... - */ - -static unsigned hash_key( const void *key, unsigned key_size ) -{ - unsigned *ikey = (unsigned *)key; - unsigned hash = 0, i; - - assert(key_size % 4 == 0); - - /* I'm sure this can be improved on: - */ - for (i = 0; i < key_size/4; i++) - hash ^= ikey[i]; - - return hash; -} - -static struct brw_cache_item *search_cache( struct brw_cache *cache, - unsigned hash, - const void *key, - unsigned key_size) -{ - struct brw_cache_item *c; - - for (c = cache->items[hash % cache->size]; c; c = c->next) { - if (c->hash == hash && - c->key_size == key_size && - memcmp(c->key, key, key_size) == 0) - return c; - } - - return NULL; -} - - -static void rehash( struct brw_cache *cache ) -{ - struct brw_cache_item **items; - struct brw_cache_item *c, *next; - unsigned size, i; - - size = cache->size * 3; - items = (struct brw_cache_item**) MALLOC(size * sizeof(*items)); - memset(items, 0, size * sizeof(*items)); - - for (i = 0; i < cache->size; i++) - for (c = cache->items[i]; c; c = next) { - next = c->next; - c->next = items[c->hash % size]; - items[c->hash % size] = c; - } - - FREE(cache->items); - cache->items = items; - cache->size = size; -} - - -boolean brw_search_cache( struct brw_cache *cache, - const void *key, - unsigned key_size, - void *aux_return, - unsigned *offset_return) -{ - struct brw_cache_item *item; - unsigned addr = 0; - unsigned hash = hash_key(key, key_size); - - item = search_cache(cache, hash, key, key_size); - - if (item) { - if (aux_return) - *(void **)aux_return = (void *)((char *)item->key + item->key_size); - - *offset_return = addr = item->offset; - } - - if (item == NULL || addr != cache->last_addr) { - cache->brw->state.dirty.cache |= 1<<cache->id; - cache->last_addr = addr; - } - - return item != NULL; -} - -unsigned brw_upload_cache( struct brw_cache *cache, - const void *key, - unsigned key_size, - const void *data, - unsigned data_size, - const void *aux, - void *aux_return ) -{ - unsigned offset; - struct brw_cache_item *item = CALLOC_STRUCT(brw_cache_item); - unsigned hash = hash_key(key, key_size); - void *tmp = MALLOC(key_size + cache->aux_size); - - if (!brw_pool_alloc(cache->pool, data_size, 1 << 6, &offset)) { - /* Should not be possible: - */ - debug_printf("brw_pool_alloc failed\n"); - exit(1); - } - - memcpy(tmp, key, key_size); - - if (cache->aux_size) - memcpy(tmp+key_size, aux, cache->aux_size); - - item->key = tmp; - item->hash = hash; - item->key_size = key_size; - item->offset = offset; - item->data_size = data_size; - - if (++cache->n_items > cache->size * 1.5) - rehash(cache); - - hash %= cache->size; - item->next = cache->items[hash]; - cache->items[hash] = item; - - if (aux_return) { - assert(cache->aux_size); - *(void **)aux_return = (void *)((char *)item->key + item->key_size); - } - - if (BRW_DEBUG & DEBUG_STATE) - debug_printf("upload %s: %d bytes to pool buffer %p offset %x\n", - cache->name, - data_size, - (void*)cache->pool->buffer, - offset); - - /* Copy data to the buffer: - */ - cache->brw->winsys->buffer_subdata_typed(cache->brw->winsys, - cache->pool->buffer, - offset, - data_size, - data, - cache->id); - - cache->brw->state.dirty.cache |= 1<<cache->id; - cache->last_addr = offset; - - return offset; -} - -/* This doesn't really work with aux data. Use search/upload instead - */ -unsigned brw_cache_data_sz(struct brw_cache *cache, - const void *data, - unsigned data_size) -{ - unsigned addr; - - if (!brw_search_cache(cache, data, data_size, NULL, &addr)) { - addr = brw_upload_cache(cache, - data, data_size, - data, data_size, - NULL, NULL); - } - - return addr; -} - -unsigned brw_cache_data(struct brw_cache *cache, - const void *data) -{ - return brw_cache_data_sz(cache, data, cache->key_size); -} - -enum pool_type { - DW_SURFACE_STATE, - DW_GENERAL_STATE -}; - -static void brw_init_cache( struct brw_context *brw, - const char *name, - unsigned id, - unsigned key_size, - unsigned aux_size, - enum pool_type pool_type) -{ - struct brw_cache *cache = &brw->cache[id]; - cache->brw = brw; - cache->id = id; - cache->name = name; - cache->items = NULL; - - cache->size = 7; - cache->n_items = 0; - cache->items = (struct brw_cache_item **) - CALLOC(cache->size, sizeof(struct brw_cache_item)); - - - cache->key_size = key_size; - cache->aux_size = aux_size; - switch (pool_type) { - case DW_GENERAL_STATE: cache->pool = &brw->pool[BRW_GS_POOL]; break; - case DW_SURFACE_STATE: cache->pool = &brw->pool[BRW_SS_POOL]; break; - default: assert(0); break; - } -} - -void brw_init_caches( struct brw_context *brw ) -{ - - brw_init_cache(brw, - "CC_VP", - BRW_CC_VP, - sizeof(struct brw_cc_viewport), - 0, - DW_GENERAL_STATE); - - brw_init_cache(brw, - "CC_UNIT", - BRW_CC_UNIT, - sizeof(struct brw_cc_unit_state), - 0, - DW_GENERAL_STATE); - - brw_init_cache(brw, - "WM_PROG", - BRW_WM_PROG, - sizeof(struct brw_wm_prog_key), - sizeof(struct brw_wm_prog_data), - DW_GENERAL_STATE); - - brw_init_cache(brw, - "SAMPLER_DEFAULT_COLOR", - BRW_SAMPLER_DEFAULT_COLOR, - sizeof(struct brw_sampler_default_color), - 0, - DW_GENERAL_STATE); - - brw_init_cache(brw, - "SAMPLER", - BRW_SAMPLER, - 0, /* variable key/data size */ - 0, - DW_GENERAL_STATE); - - brw_init_cache(brw, - "WM_UNIT", - BRW_WM_UNIT, - sizeof(struct brw_wm_unit_state), - 0, - DW_GENERAL_STATE); - - brw_init_cache(brw, - "SF_PROG", - BRW_SF_PROG, - sizeof(struct brw_sf_prog_key), - sizeof(struct brw_sf_prog_data), - DW_GENERAL_STATE); - - brw_init_cache(brw, - "SF_VP", - BRW_SF_VP, - sizeof(struct brw_sf_viewport), - 0, - DW_GENERAL_STATE); - - brw_init_cache(brw, - "SF_UNIT", - BRW_SF_UNIT, - sizeof(struct brw_sf_unit_state), - 0, - DW_GENERAL_STATE); - - brw_init_cache(brw, - "VS_UNIT", - BRW_VS_UNIT, - sizeof(struct brw_vs_unit_state), - 0, - DW_GENERAL_STATE); - - brw_init_cache(brw, - "VS_PROG", - BRW_VS_PROG, - sizeof(struct brw_vs_prog_key), - sizeof(struct brw_vs_prog_data), - DW_GENERAL_STATE); - - brw_init_cache(brw, - "CLIP_UNIT", - BRW_CLIP_UNIT, - sizeof(struct brw_clip_unit_state), - 0, - DW_GENERAL_STATE); - - brw_init_cache(brw, - "CLIP_PROG", - BRW_CLIP_PROG, - sizeof(struct brw_clip_prog_key), - sizeof(struct brw_clip_prog_data), - DW_GENERAL_STATE); - - brw_init_cache(brw, - "GS_UNIT", - BRW_GS_UNIT, - sizeof(struct brw_gs_unit_state), - 0, - DW_GENERAL_STATE); - - brw_init_cache(brw, - "GS_PROG", - BRW_GS_PROG, - sizeof(struct brw_gs_prog_key), - sizeof(struct brw_gs_prog_data), - DW_GENERAL_STATE); - - brw_init_cache(brw, - "SS_SURFACE", - BRW_SS_SURFACE, - sizeof(struct brw_surface_state), - 0, - DW_SURFACE_STATE); - - brw_init_cache(brw, - "SS_SURF_BIND", - BRW_SS_SURF_BIND, - sizeof(struct brw_surface_binding_table), - 0, - DW_SURFACE_STATE); -} - - -/* When we lose hardware context, need to invalidate the surface cache - * as these structs must be explicitly re-uploaded. They are subject - * to fixup by the memory manager as they contain absolute agp - * offsets, so we need to ensure there is a fresh version of the - * struct available to receive the fixup. - * - * XXX: Need to ensure that there aren't two versions of a surface or - * bufferobj with different backing data active in the same buffer at - * once? Otherwise the cache could confuse them. Maybe better not to - * cache at all? - * - * --> Isn't this the same as saying need to ensure batch is flushed - * before new data is uploaded to an existing buffer? We - * already try to make sure of that. - */ -static void clear_cache( struct brw_cache *cache ) -{ - struct brw_cache_item *c, *next; - unsigned i; - - for (i = 0; i < cache->size; i++) { - for (c = cache->items[i]; c; c = next) { - next = c->next; - free((void *)c->key); - free(c); - } - cache->items[i] = NULL; - } - - cache->n_items = 0; -} - -void brw_clear_all_caches( struct brw_context *brw ) -{ - int i; - - if (BRW_DEBUG & DEBUG_STATE) - debug_printf("%s\n", __FUNCTION__); - - for (i = 0; i < BRW_MAX_CACHE; i++) - clear_cache(&brw->cache[i]); - - if (brw->curbe.last_buf) { - FREE(brw->curbe.last_buf); - brw->curbe.last_buf = NULL; - } - - brw->state.dirty.brw |= ~0; - brw->state.dirty.cache |= ~0; -} - - - - - -void brw_destroy_caches( struct brw_context *brw ) -{ - unsigned i; - - for (i = 0; i < BRW_MAX_CACHE; i++) - clear_cache(&brw->cache[i]); -} |