src/gallium/drivers/iris/iris_binder.h

   1 /*
   2  * Copyright © 2018 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef IRIS_BINDER_DOT_H
  25 #define IRIS_BINDER_DOT_H
  26
  27 #include <stdint.h>
  28 #include <stdbool.h>
  29
  30 struct iris_bo;
  31 struct iris_bufmgr;
  32
  33 #define IRIS_BINDER_ADDRESS (1ull << 32)
  34
  35 struct iris_binder
  36 {
  37    struct iris_bo *bo;
  38    void *map;
  39
  40    /* Insert new entries at this offset (in bytes) */
  41    unsigned insert_point;
  42 };
  43
  44 void iris_init_binder(struct iris_binder *binder, struct iris_bufmgr *bufmgr);
  45 void iris_destroy_binder(struct iris_binder *binder);
  46 void *iris_binder_reserve(struct iris_binder *binder, unsigned size,
  47                           uint32_t *out_offset);
  48
  49 #endif