src/gallium/winsys/radeon/drm/radeon_drm_cs.h

   1 /*
   2  * Copyright © 2011 Marek Olšák <maraeo@gmail.com>
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  14  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  15  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  16  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
  17  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  20  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  */
  26
  27 #ifndef RADEON_DRM_CS_H
  28 #define RADEON_DRM_CS_H
  29
  30 #include "radeon_drm_bo.h"
  31 #include <radeon_drm.h>
  32
  33 struct radeon_drm_cs {
  34     struct r300_winsys_cs base;
  35
  36     /* The winsys. */
  37     struct radeon_drm_winsys *ws;
  38
  39     /* Flush CS. */
  40     void (*flush_cs)(void *);
  41     void *flush_data;
  42
  43     /* Relocs. */
  44     unsigned                    crelocs;
  45     unsigned                    nrelocs;
  46     struct drm_radeon_cs_reloc  *relocs;
  47     struct radeon_bo            **relocs_bo;
  48     struct drm_radeon_cs        cs;
  49     struct drm_radeon_cs_chunk  chunks[2];
  50
  51     unsigned used_vram;
  52     unsigned used_gart;
  53
  54     /* 0 = BO not added, 1 = BO added */
  55     char                        is_handle_added[256];
  56     struct drm_radeon_cs_reloc  *relocs_hashlist[256];
  57     unsigned                    reloc_indices_hashlist[256];
  58 };
  59
  60 int radeon_get_reloc(struct radeon_drm_cs *cs, struct radeon_bo *bo);
  61
  62 static INLINE struct radeon_drm_cs *
  63 radeon_drm_cs(struct r300_winsys_cs *base)
  64 {
  65     return (struct radeon_drm_cs*)base;
  66 }
  67
  68 static INLINE int radeon_bo_is_referenced_by_cs(struct radeon_drm_cs *cs,
  69                                                 struct radeon_bo *bo)
  70 {
  71     return radeon_get_reloc(cs, bo) != -1;
  72 }
  73
  74 static INLINE int radeon_bo_is_referenced_by_any_cs(struct radeon_bo *bo)
  75 {
  76     return bo->cref > 1;
  77 }
  78
  79 void radeon_drm_cs_init_functions(struct radeon_drm_winsys *ws);
  80
  81 #endif