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vk/allocator: Add a BO pool

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This commit is contained in:
Jason Ekstrand 2015-05-25 15:29:27 -07:00
parent 59328bac10
commit 6f3e3c715a
2 changed files with 91 additions and 0 deletions
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73
src/vulkan/allocator.c
View file

@ -642,3 +642,76 @@ anv_state_stream_alloc(struct anv_state_stream *stream,
return state;
}
struct bo_pool_bo_link {
struct bo_pool_bo_link *next;
struct anv_bo bo;
};
void
anv_bo_pool_init(struct anv_bo_pool *pool,
struct anv_device *device, uint32_t bo_size)
{
pool->device = device;
pool->bo_size = bo_size;
pool->free_list = NULL;
}
void
anv_bo_pool_finish(struct anv_bo_pool *pool)
{
struct bo_pool_bo_link *link = PFL_PTR(pool->free_list);
while (link != NULL) {
struct bo_pool_bo_link link_copy = VG_NOACCESS_READ(link);
anv_gem_munmap(link_copy.bo.map, pool->bo_size);
anv_gem_close(pool->device, link_copy.bo.gem_handle);
link = link_copy.next;
}
}
VkResult
anv_bo_pool_alloc(struct anv_bo_pool *pool, struct anv_bo *bo)
{
VkResult result;
void *next_free_void;
if (anv_ptr_free_list_pop(&pool->free_list, &next_free_void)) {
struct bo_pool_bo_link *next_free = next_free_void;
*bo = VG_NOACCESS_READ(&next_free->bo);
assert(bo->map == next_free);
assert(bo->size == pool->bo_size);
VG(VALGRIND_MALLOCLIKE_BLOCK(bo->map, pool->bo_size, 0, false));
return VK_SUCCESS;
}
struct anv_bo new_bo;
result = anv_bo_init_new(&new_bo, pool->device, pool->bo_size);
if (result != VK_SUCCESS)
return result;
assert(new_bo.size == pool->bo_size);
new_bo.map = anv_gem_mmap(pool->device, new_bo.gem_handle, 0, pool->bo_size);
if (new_bo.map == NULL) {
anv_gem_close(pool->device, new_bo.gem_handle);
return vk_error(VK_ERROR_MEMORY_MAP_FAILED);
}
VG(VALGRIND_MALLOCLIKE_BLOCK(new_bo.map, pool->bo_size, 0, false));
*bo = new_bo;
return VK_SUCCESS;
}
void
anv_bo_pool_free(struct anv_bo_pool *pool, const struct anv_bo *bo)
{
struct bo_pool_bo_link *link = bo->map;
link->bo = *bo;
VG(VALGRIND_FREELIKE_BLOCK(bo->map, 0));
anv_ptr_free_list_push(&pool->free_list, link);
}

18
src/vulkan/private.h
View file

@ -251,6 +251,24 @@ void anv_state_stream_finish(struct anv_state_stream *stream);
struct anv_state anv_state_stream_alloc(struct anv_state_stream *stream,
uint32_t size, uint32_t alignment);
/**
* Implements a pool of re-usable BOs. The interface is identical to that
* of block_pool except that each block is its own BO.
*/
struct anv_bo_pool {
struct anv_device *device;
uint32_t bo_size;
void *free_list;
};
void anv_bo_pool_init(struct anv_bo_pool *pool,
struct anv_device *device, uint32_t block_size);
void anv_bo_pool_finish(struct anv_bo_pool *pool);
VkResult anv_bo_pool_alloc(struct anv_bo_pool *pool, struct anv_bo *bo);
void anv_bo_pool_free(struct anv_bo_pool *pool, const struct anv_bo *bo);
struct anv_object;
struct anv_device;