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anv/allocator: Add helpers for dealing with bucket sizes

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Reviewed-by: Juan A. Suarez Romero <jasuarez@igalia.com>
This commit is contained in:
Jason Ekstrand
2017-04-23 19:15:42 -07:00
parent 12043ca696
commit 8769fb48fb
1 changed files with 20 additions and 10 deletions
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30
src/intel/vulkan/anv_allocator.c
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@@ -671,18 +671,31 @@ anv_fixed_size_state_pool_alloc_new(struct anv_fixed_size_state_pool *pool,
} }
} }
static uint32_t
anv_state_pool_get_bucket(uint32_t size)
{
unsigned size_log2 = ilog2_round_up(size);
assert(size_log2 <= ANV_MAX_STATE_SIZE_LOG2);
if (size_log2 < ANV_MIN_STATE_SIZE_LOG2)
size_log2 = ANV_MIN_STATE_SIZE_LOG2;
return size_log2 - ANV_MIN_STATE_SIZE_LOG2;
}
static uint32_t
anv_state_pool_get_bucket_size(uint32_t bucket)
{
uint32_t size_log2 = bucket + ANV_MIN_STATE_SIZE_LOG2;
return 1 << size_log2;
}
static struct anv_state static struct anv_state
anv_state_pool_alloc_no_vg(struct anv_state_pool *pool, anv_state_pool_alloc_no_vg(struct anv_state_pool *pool,
uint32_t size, uint32_t align) uint32_t size, uint32_t align)
{ {
unsigned size_log2 = ilog2_round_up(size < align ? align : size); uint32_t bucket = anv_state_pool_get_bucket(MAX2(size, align));
assert(size_log2 <= ANV_MAX_STATE_SIZE_LOG2);
if (size_log2 < ANV_MIN_STATE_SIZE_LOG2)
size_log2 = ANV_MIN_STATE_SIZE_LOG2;
unsigned bucket = size_log2 - ANV_MIN_STATE_SIZE_LOG2;
struct anv_state state; struct anv_state state;
state.alloc_size = 1 << size_log2; state.alloc_size = anv_state_pool_get_bucket_size(bucket);
/* Try free list first. */ /* Try free list first. */
if (anv_free_list_pop(&pool->buckets[bucket].free_list, if (anv_free_list_pop(&pool->buckets[bucket].free_list,
@@ -737,10 +750,7 @@ static void
anv_state_pool_free_no_vg(struct anv_state_pool *pool, struct anv_state state) anv_state_pool_free_no_vg(struct anv_state_pool *pool, struct anv_state state)
{ {
assert(util_is_power_of_two(state.alloc_size)); assert(util_is_power_of_two(state.alloc_size));
unsigned size_log2 = ilog2_round_up(state.alloc_size); unsigned bucket = anv_state_pool_get_bucket(state.alloc_size);
assert(size_log2 >= ANV_MIN_STATE_SIZE_LOG2 &&
size_log2 <= ANV_MAX_STATE_SIZE_LOG2);
unsigned bucket = size_log2 - ANV_MIN_STATE_SIZE_LOG2;
if (state.offset < 0) { if (state.offset < 0) {
assert(state.alloc_size == pool->block_size); assert(state.alloc_size == pool->block_size);