130 lines
4.0 KiB
C
130 lines
4.0 KiB
C
/*
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* Copyright (C) 2018 Rob Clark <robclark@freedesktop.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Rob Clark <robclark@freedesktop.org>
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*/
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#ifndef FREEDRENO_RINGBUFFER_SP_H_
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#define FREEDRENO_RINGBUFFER_SP_H_
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#include <assert.h>
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#include <inttypes.h>
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#include <pthread.h>
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#include "util/hash_table.h"
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#include "util/os_file.h"
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#include "util/slab.h"
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#include "freedreno_priv.h"
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#include "freedreno_ringbuffer.h"
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/* A "softpin" implementation of submit/ringbuffer, which lowers CPU overhead
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* by avoiding the additional tracking necessary to build cmds/relocs tables
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* (but still builds a bos table)
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*/
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typedef int (*flush_submit_list_fn)(struct list_head *submit_list);
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struct fd_submit_sp {
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struct fd_submit base;
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DECLARE_ARRAY(struct fd_bo *, bos);
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/* maps fd_bo to idx in bos table: */
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struct hash_table *bo_table;
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struct slab_child_pool ring_pool;
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/* Allow for sub-allocation of stateobj ring buffers (ie. sharing
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* the same underlying bo)..
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*
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* We also rely on previous stateobj having been fully constructed
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* so we can reclaim extra space at it's end.
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*/
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struct fd_ringbuffer *suballoc_ring;
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/* Flush args, potentially attached to the last submit in the list
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* of submits to merge:
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*/
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int in_fence_fd;
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struct fd_submit_fence *out_fence;
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/* State for enqueued submits:
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*/
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struct list_head submit_list; /* includes this submit as last element */
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/* Used in case out_fence==NULL: */
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struct util_queue_fence fence;
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/* Used by retire_queue, if used by backend: */
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int out_fence_fd;
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struct util_queue_fence retire_fence;
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flush_submit_list_fn flush_submit_list;
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};
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FD_DEFINE_CAST(fd_submit, fd_submit_sp);
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/* for FD_RINGBUFFER_GROWABLE rb's, tracks the 'finalized' cmdstream buffers
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* and sizes. Ie. a finalized buffer can have no more commands appended to
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* it.
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*/
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struct fd_cmd_sp {
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struct fd_bo *ring_bo;
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unsigned size;
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};
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struct fd_ringbuffer_sp {
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struct fd_ringbuffer base;
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/* for FD_RINGBUFFER_STREAMING rb's which are sub-allocated */
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unsigned offset;
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union {
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/* for _FD_RINGBUFFER_OBJECT case, the array of BOs referenced from
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* this one
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*/
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struct {
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struct fd_pipe *pipe;
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DECLARE_ARRAY(struct fd_bo *, reloc_bos);
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};
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/* for other cases: */
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struct {
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struct fd_submit *submit;
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DECLARE_ARRAY(struct fd_cmd_sp, cmds);
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};
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} u;
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struct fd_bo *ring_bo;
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};
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FD_DEFINE_CAST(fd_ringbuffer, fd_ringbuffer_sp);
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void fd_pipe_sp_flush(struct fd_pipe *pipe, uint32_t fence);
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uint32_t fd_submit_append_bo(struct fd_submit_sp *submit, struct fd_bo *bo);
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struct fd_submit *fd_submit_sp_new(struct fd_pipe *pipe,
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flush_submit_list_fn flush_submit_list);
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void fd_pipe_sp_ringpool_init(struct fd_pipe *pipe);
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void fd_pipe_sp_ringpool_fini(struct fd_pipe *pipe);
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struct fd_ringbuffer *fd_ringbuffer_sp_new_object(struct fd_pipe *pipe, uint32_t size);
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#endif /* FREEDRENO_RINGBUFFER_SP_H_ */
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