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anv/allocator: Support pushing multiple blocks onto a free list at once 

Reviewed-by: Juan A. Suarez Romero <jasuarez@igalia.com>
This commit is contained in:
Jason Ekstrand 2017-04-23 18:57:29 -07:00
parent 8769fb48fb
commit 8c079b566e
1 changed files with 16 additions and 3 deletions
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19
src/intel/vulkan/anv_allocator.c
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@ -179,11 +179,22 @@ anv_free_list_pop(union anv_free_list *list, void **map, int32_t *offset)
}
static void
anv_free_list_push(union anv_free_list *list, void *map, int32_t offset)
anv_free_list_push(union anv_free_list *list, void *map, int32_t offset,
uint32_t size, uint32_t count)
{
union anv_free_list current, old, new;
int32_t *next_ptr = map + offset;
/* If we're returning more than one chunk, we need to build a chain to add
* to the list. Fortunately, we can do this without any atomics since we
* own everything in the chain right now. `offset` is left pointing to the
* head of our chain list while `next_ptr` points to the tail.
*/
for (uint32_t i = 1; i < count; i++) {
VG_NOACCESS_WRITE(next_ptr, offset + i * size);
next_ptr = map + offset + i * size;
}
old = *list;
do {
current = old;
@ -755,10 +766,12 @@ anv_state_pool_free_no_vg(struct anv_state_pool *pool, struct anv_state state)
if (state.offset < 0) {
assert(state.alloc_size == pool->block_size);
anv_free_list_push(&pool->back_alloc_free_list,
pool->block_pool.map, state.offset);
pool->block_pool.map, state.offset,
state.alloc_size, 1);
} else {
anv_free_list_push(&pool->buckets[bucket].free_list,
pool->block_pool.map, state.offset);
pool->block_pool.map, state.offset,
state.alloc_size, 1);
}
}