#include <stdlib.h>
+#define ITEM_MAPPED_FOR_READING (1<<0)
+#define ITEM_MAPPED_FOR_WRITING (1<<1)
+#define ITEM_FOR_PROMOTING (1<<2)
+#define ITEM_FOR_DEMOTING (1<<3)
+
+#define POOL_FRAGMENTED (1<<0)
+
struct compute_memory_pool;
struct compute_memory_item
{
- int64_t id; ///ID of the memory chunk
+ int64_t id; /**< ID of the memory chunk */
- int untouched; ///True if the memory contains only junk, no need to save it for defrag
+ uint32_t status; /**< Will track the status of the item */
- int64_t start_in_dw; ///Start pointer in dwords relative in the pool bo
- int64_t size_in_dw; ///Size of the chunk in dwords
+ /** Start pointer in dwords relative in the pool bo. If an item
+ * is unallocated, then this value must be -1 to indicate this. */
+ int64_t start_in_dw;
+ int64_t size_in_dw; /**< Size of the chunk in dwords */
+ /** Intermediate buffer asociated with an item. It is used mainly for mapping
+ * items against it. They are listed in the pool's unallocated list */
struct r600_resource *real_buffer;
struct compute_memory_pool* pool;
- struct compute_memory_item* prev;
- struct compute_memory_item* next;
+ struct list_head link;
};
struct compute_memory_pool
{
- int64_t next_id; ///For generating unique IDs for memory chunks
- int64_t size_in_dw; ///Size of the pool in dwords
+ int64_t next_id; /**< For generating unique IDs for memory chunks */
+ int64_t size_in_dw; /**< Size of the pool in dwords */
- struct r600_resource *bo; ///The pool buffer object resource
- struct compute_memory_item* item_list; ///Allocated memory chunks in the buffer,they must be ordered by "start_in_dw"
+ struct r600_resource *bo; /**< The pool buffer object resource */
struct r600_screen *screen;
- uint32_t *shadow; ///host copy of the pool, used for defragmentation
+ uint32_t *shadow; /**< host copy of the pool, used for growing the pool */
+
+ uint32_t status; /**< Status of the pool */
+
+ /** Allocated memory items in the pool, they must be ordered by "start_in_dw" */
+ struct list_head *item_list;
+
+ /** Unallocated memory items, this list contains all the items that aren't
+ * yet in the pool */
+ struct list_head *unallocated_list;
};
return item->start_in_dw != -1;
}
-struct compute_memory_pool* compute_memory_pool_new(struct r600_screen *rscreen); ///Creates a new pool
-void compute_memory_pool_delete(struct compute_memory_pool* pool); ///Frees all stuff in the pool and the pool struct itself too
+struct compute_memory_pool* compute_memory_pool_new(struct r600_screen *rscreen);
+
+void compute_memory_pool_delete(struct compute_memory_pool* pool);
-int64_t compute_memory_prealloc_chunk(struct compute_memory_pool* pool, int64_t size_in_dw); ///searches for an empty space in the pool, return with the pointer to the allocatable space in the pool, returns -1 on failure
+int64_t compute_memory_prealloc_chunk(struct compute_memory_pool* pool,
+ int64_t size_in_dw);
-struct compute_memory_item* compute_memory_postalloc_chunk(struct compute_memory_pool* pool, int64_t start_in_dw); ///search for the chunk where we can link our new chunk after it
+struct list_head *compute_memory_postalloc_chunk(struct compute_memory_pool* pool,
+ int64_t start_in_dw);
-int compute_memory_grow_pool(struct compute_memory_pool* pool, struct pipe_context * pipe,
- int new_size_in_dw);
+int compute_memory_grow_defrag_pool(struct compute_memory_pool* pool,
+ struct pipe_context *pipe, int new_size_in_dw);
void compute_memory_shadow(struct compute_memory_pool* pool,
- struct pipe_context * pipe, int device_to_host);
+ struct pipe_context *pipe, int device_to_host);
int compute_memory_finalize_pending(struct compute_memory_pool* pool,
struct pipe_context * pipe);
+
+void compute_memory_defrag(struct compute_memory_pool *pool,
+ struct pipe_resource *src, struct pipe_resource *dst,
+ struct pipe_context *pipe);
+
+int compute_memory_promote_item(struct compute_memory_pool *pool,
+ struct compute_memory_item *item, struct pipe_context *pipe,
+ int64_t allocated);
+
+void compute_memory_demote_item(struct compute_memory_pool *pool,
+ struct compute_memory_item *item, struct pipe_context *pipe);
+
+void compute_memory_move_item(struct compute_memory_pool *pool,
+ struct pipe_resource *src, struct pipe_resource *dst,
+ struct compute_memory_item *item, uint64_t new_start_in_dw,
+ struct pipe_context *pipe);
+
void compute_memory_free(struct compute_memory_pool* pool, int64_t id);
-struct compute_memory_item* compute_memory_alloc(struct compute_memory_pool* pool, int64_t size_in_dw); ///Creates pending allocations
+
+struct compute_memory_item* compute_memory_alloc(struct compute_memory_pool* pool,
+ int64_t size_in_dw);
void compute_memory_transfer(struct compute_memory_pool* pool,
struct pipe_context * pipe, int device_to_host,
struct compute_memory_item* chunk, void* data,
int offset_in_chunk, int size);
-void compute_memory_transfer_direct(struct compute_memory_pool* pool, int chunk_to_data, struct compute_memory_item* chunk, struct r600_resource* data, int offset_in_chunk, int offset_in_data, int size); ///Transfer data between chunk<->data, it is for VRAM<->GART transfers
+void compute_memory_transfer_direct(struct compute_memory_pool* pool,
+ int chunk_to_data, struct compute_memory_item* chunk,
+ struct r600_resource* data, int offset_in_chunk,
+ int offset_in_data, int size);
#endif
projects / mesa.git / blobdiff