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/*
* Copyright (C) 2018 Rob Clark <robclark@freedesktop.org>
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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:
* Rob Clark <robclark@freedesktop.org>
*/
#ifndef FREEDRENO_RINGBUFFER_SP_H_
#define FREEDRENO_RINGBUFFER_SP_H_
#include <assert.h>
#include <inttypes.h>
#include <pthread.h>
#include "util/hash_table.h"
#include "util/os_file.h"
#include "util/slab.h"
#include "freedreno_priv.h"
#include "freedreno_ringbuffer.h"
/* A "softpin" implementation of submit/ringbuffer, which lowers CPU overhead
* by avoiding the additional tracking necessary to build cmds/relocs tables
* (but still builds a bos table)
*/
typedef int (*flush_submit_list_fn)(struct list_head *submit_list);
struct fd_submit_sp {
struct fd_submit base;
DECLARE_ARRAY(struct fd_bo *, bos);
/* maps fd_bo to idx in bos table: */
struct hash_table *bo_table;
struct slab_child_pool ring_pool;
/* Allow for sub-allocation of stateobj ring buffers (ie. sharing
* the same underlying bo)..
*
* We also rely on previous stateobj having been fully constructed
* so we can reclaim extra space at it's end.
*/
struct fd_ringbuffer *suballoc_ring;
/* Flush args, potentially attached to the last submit in the list
* of submits to merge:
*/
int in_fence_fd;
struct fd_submit_fence *out_fence;
/* State for enqueued submits:
*/
struct list_head submit_list; /* includes this submit as last element */
/* Used in case out_fence==NULL: */
struct util_queue_fence fence;
flush_submit_list_fn flush_submit_list;
};
FD_DEFINE_CAST(fd_submit, fd_submit_sp);
/* for FD_RINGBUFFER_GROWABLE rb's, tracks the 'finalized' cmdstream buffers
* and sizes. Ie. a finalized buffer can have no more commands appended to
* it.
*/
struct fd_cmd_sp {
struct fd_bo *ring_bo;
unsigned size;
};
struct fd_ringbuffer_sp {
struct fd_ringbuffer base;
/* for FD_RINGBUFFER_STREAMING rb's which are sub-allocated */
unsigned offset;
union {
/* for _FD_RINGBUFFER_OBJECT case, the array of BOs referenced from
* this one
*/
struct {
struct fd_pipe *pipe;
DECLARE_ARRAY(struct fd_bo *, reloc_bos);
};
/* for other cases: */
struct {
struct fd_submit *submit;
DECLARE_ARRAY(struct fd_cmd_sp, cmds);
};
} u;
struct fd_bo *ring_bo;
};
FD_DEFINE_CAST(fd_ringbuffer, fd_ringbuffer_sp);
void fd_pipe_sp_flush(struct fd_pipe *pipe, uint32_t fence);
uint32_t fd_submit_append_bo(struct fd_submit_sp *submit, struct fd_bo *bo);
struct fd_submit *fd_submit_sp_new(struct fd_pipe *pipe,
flush_submit_list_fn flush_submit_list);
void fd_pipe_sp_ringpool_init(struct fd_pipe *pipe);
void fd_pipe_sp_ringpool_fini(struct fd_pipe *pipe);
struct fd_ringbuffer *fd_ringbuffer_sp_new_object(struct fd_pipe *pipe, uint32_t size);
#endif /* FREEDRENO_RINGBUFFER_SP_H_ */
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