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/*
* Copyright 2018 Chromium.
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
*/
#ifndef VIRGL_TRANSFER_QUEUE_H
#define VIRGL_TRANSFER_QUEUE_H
#include "pipe/p_defines.h"
#include "util/list.h"
struct virgl_cmd_buf;
struct virgl_screen;
struct virgl_context;
struct virgl_transfer;
struct virgl_transfer_queue {
struct list_head transfer_list;
struct virgl_screen *vs;
struct virgl_context *vctx;
struct virgl_cmd_buf *tbuf;
uint32_t num_dwords;
};
void virgl_transfer_queue_init(struct virgl_transfer_queue *queue,
struct virgl_context *vctx);
void virgl_transfer_queue_fini(struct virgl_transfer_queue *queue);
int virgl_transfer_queue_unmap(struct virgl_transfer_queue *queue,
struct virgl_transfer *transfer);
int virgl_transfer_queue_clear(struct virgl_transfer_queue *queue,
struct virgl_cmd_buf *buf);
bool virgl_transfer_queue_is_queued(struct virgl_transfer_queue *queue,
struct virgl_transfer *transfer);
/*
* Search the transfer queue for a transfer suitable for extension and
* extend it to include the specified data.
*/
bool virgl_transfer_queue_extend_buffer(struct virgl_transfer_queue *queue,
const struct virgl_hw_res *hw_res,
unsigned offset, unsigned size,
const void *data);
#endif /* VIRGL_TRANSFER_QUEUE_H */
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