src/gallium/drivers/lima/lima_bo.h

   1 /*
   2  * Copyright (C) 2018-2019 Lima Project
   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 shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #ifndef H_LIMA_BO
  25 #define H_LIMA_BO
  26
  27 #include <stdbool.h>
  28 #include <stdint.h>
  29
  30 #include "util/u_atomic.h"
  31
  32 struct lima_bo {
  33    struct lima_screen *screen;
  34    int refcnt;
  35
  36    uint32_t size;
  37    uint32_t handle;
  38    uint64_t offset;
  39    uint32_t flink_name;
  40
  41    void *map;
  42    uint32_t va;
  43 };
  44
  45 bool lima_bo_table_init(struct lima_screen *screen);
  46 void lima_bo_table_fini(struct lima_screen *screen);
  47
  48 struct lima_bo *lima_bo_create(struct lima_screen *screen, uint32_t size,
  49                                uint32_t flags);
  50 void lima_bo_free(struct lima_bo *bo);
  51
  52 static inline void lima_bo_reference(struct lima_bo *bo)
  53 {
  54    p_atomic_inc(&bo->refcnt);
  55 }
  56
  57 void *lima_bo_map(struct lima_bo *bo);
  58 void lima_bo_unmap(struct lima_bo *bo);
  59
  60 bool lima_bo_export(struct lima_bo *bo, struct winsys_handle *handle);
  61 struct lima_bo *lima_bo_import(struct lima_screen *screen,
  62                                struct winsys_handle *handle);
  63
  64 bool lima_bo_wait(struct lima_bo *bo, uint32_t op, uint64_t timeout_ns);
  65
  66 #endif