src/mesa/drivers/dri/i965/intel_bufmgr.c

   1 /*
   2  * Copyright © 2007 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  * Authors:
  24  *    Eric Anholt <eric@anholt.net>
  25  *
  26  */
  27
  28 #ifdef HAVE_CONFIG_H
  29 #include "config.h"
  30 #endif
  31
  32 #include <string.h>
  33 #include <stdlib.h>
  34 #include <stdint.h>
  35 #include <assert.h>
  36 #include <errno.h>
  37 #include <drm.h>
  38 #include <i915_drm.h>
  39 #include "libdrm_macros.h"
  40 #include "brw_bufmgr.h"
  41 #include "intel_bufmgr_priv.h"
  42 #include "xf86drm.h"
  43
  44 /** @file intel_bufmgr.c
  45  *
  46  * Convenience functions for buffer management methods.
  47  */
  48
  49 drm_bacon_bo *
  50 drm_bacon_bo_alloc(drm_bacon_bufmgr *bufmgr, const char *name,
  51                    unsigned long size, unsigned int alignment)
  52 {
  53         return bufmgr->bo_alloc(bufmgr, name, size, alignment);
  54 }
  55
  56 drm_bacon_bo *
  57 drm_bacon_bo_alloc_for_render(drm_bacon_bufmgr *bufmgr, const char *name,
  58                               unsigned long size, unsigned int alignment)
  59 {
  60         return bufmgr->bo_alloc_for_render(bufmgr, name, size, alignment);
  61 }
  62
  63 drm_bacon_bo *
  64 drm_bacon_bo_alloc_userptr(drm_bacon_bufmgr *bufmgr,
  65                            const char *name, void *addr,
  66                            uint32_t tiling_mode,
  67                            uint32_t stride,
  68                            unsigned long size,
  69                            unsigned long flags)
  70 {
  71         if (bufmgr->bo_alloc_userptr)
  72                 return bufmgr->bo_alloc_userptr(bufmgr, name, addr, tiling_mode,
  73                                                 stride, size, flags);
  74         return NULL;
  75 }
  76
  77 drm_bacon_bo *
  78 drm_bacon_bo_alloc_tiled(drm_bacon_bufmgr *bufmgr, const char *name,
  79                         int x, int y, int cpp, uint32_t *tiling_mode,
  80                         unsigned long *pitch, unsigned long flags)
  81 {
  82         return bufmgr->bo_alloc_tiled(bufmgr, name, x, y, cpp,
  83                                       tiling_mode, pitch, flags);
  84 }
  85
  86 void
  87 drm_bacon_bo_reference(drm_bacon_bo *bo)
  88 {
  89         bo->bufmgr->bo_reference(bo);
  90 }
  91
  92 void
  93 drm_bacon_bo_unreference(drm_bacon_bo *bo)
  94 {
  95         if (bo == NULL)
  96                 return;
  97
  98         bo->bufmgr->bo_unreference(bo);
  99 }
 100
 101 int
 102 drm_bacon_bo_map(drm_bacon_bo *buf, int write_enable)
 103 {
 104         return buf->bufmgr->bo_map(buf, write_enable);
 105 }
 106
 107 int
 108 drm_bacon_bo_unmap(drm_bacon_bo *buf)
 109 {
 110         return buf->bufmgr->bo_unmap(buf);
 111 }
 112
 113 int
 114 drm_bacon_bo_subdata(drm_bacon_bo *bo, unsigned long offset,
 115                      unsigned long size, const void *data)
 116 {
 117         return bo->bufmgr->bo_subdata(bo, offset, size, data);
 118 }
 119
 120 int
 121 drm_bacon_bo_get_subdata(drm_bacon_bo *bo, unsigned long offset,
 122                          unsigned long size, void *data)
 123 {
 124         int ret;
 125         if (bo->bufmgr->bo_get_subdata)
 126                 return bo->bufmgr->bo_get_subdata(bo, offset, size, data);
 127
 128         if (size == 0 || data == NULL)
 129                 return 0;
 130
 131         ret = drm_bacon_bo_map(bo, 0);
 132         if (ret)
 133                 return ret;
 134         memcpy(data, (unsigned char *)bo->virtual + offset, size);
 135         drm_bacon_bo_unmap(bo);
 136         return 0;
 137 }
 138
 139 void
 140 drm_bacon_bo_wait_rendering(drm_bacon_bo *bo)
 141 {
 142         bo->bufmgr->bo_wait_rendering(bo);
 143 }
 144
 145 void
 146 drm_bacon_bufmgr_destroy(drm_bacon_bufmgr *bufmgr)
 147 {
 148         bufmgr->destroy(bufmgr);
 149 }
 150
 151 int
 152 drm_bacon_bo_exec(drm_bacon_bo *bo, int used,
 153                   drm_clip_rect_t * cliprects, int num_cliprects, int DR4)
 154 {
 155         return bo->bufmgr->bo_exec(bo, used, cliprects, num_cliprects, DR4);
 156 }
 157
 158 int
 159 drm_bacon_bo_mrb_exec(drm_bacon_bo *bo, int used,
 160                 drm_clip_rect_t *cliprects, int num_cliprects, int DR4,
 161                 unsigned int rings)
 162 {
 163         if (bo->bufmgr->bo_mrb_exec)
 164                 return bo->bufmgr->bo_mrb_exec(bo, used,
 165                                         cliprects, num_cliprects, DR4,
 166                                         rings);
 167
 168         switch (rings) {
 169         case I915_EXEC_DEFAULT:
 170         case I915_EXEC_RENDER:
 171                 return bo->bufmgr->bo_exec(bo, used,
 172                                            cliprects, num_cliprects, DR4);
 173         default:
 174                 return -ENODEV;
 175         }
 176 }
 177
 178 int
 179 drm_bacon_bufmgr_check_aperture_space(drm_bacon_bo ** bo_array, int count)
 180 {
 181         return bo_array[0]->bufmgr->check_aperture_space(bo_array, count);
 182 }
 183
 184 int
 185 drm_bacon_bo_flink(drm_bacon_bo *bo, uint32_t * name)
 186 {
 187         if (bo->bufmgr->bo_flink)
 188                 return bo->bufmgr->bo_flink(bo, name);
 189
 190         return -ENODEV;
 191 }
 192
 193 int
 194 drm_bacon_bo_emit_reloc(drm_bacon_bo *bo, uint32_t offset,
 195                         drm_bacon_bo *target_bo, uint32_t target_offset,
 196                         uint32_t read_domains, uint32_t write_domain)
 197 {
 198         return bo->bufmgr->bo_emit_reloc(bo, offset,
 199                                          target_bo, target_offset,
 200                                          read_domains, write_domain);
 201 }
 202
 203 int
 204 drm_bacon_bo_set_tiling(drm_bacon_bo *bo, uint32_t * tiling_mode,
 205                         uint32_t stride)
 206 {
 207         if (bo->bufmgr->bo_set_tiling)
 208                 return bo->bufmgr->bo_set_tiling(bo, tiling_mode, stride);
 209
 210         *tiling_mode = I915_TILING_NONE;
 211         return 0;
 212 }
 213
 214 int
 215 drm_bacon_bo_get_tiling(drm_bacon_bo *bo, uint32_t * tiling_mode,
 216                         uint32_t * swizzle_mode)
 217 {
 218         if (bo->bufmgr->bo_get_tiling)
 219                 return bo->bufmgr->bo_get_tiling(bo, tiling_mode, swizzle_mode);
 220
 221         *tiling_mode = I915_TILING_NONE;
 222         *swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
 223         return 0;
 224 }
 225
 226 int
 227 drm_bacon_bo_set_softpin_offset(drm_bacon_bo *bo, uint64_t offset)
 228 {
 229         if (bo->bufmgr->bo_set_softpin_offset)
 230                 return bo->bufmgr->bo_set_softpin_offset(bo, offset);
 231
 232         return -ENODEV;
 233 }
 234
 235 int
 236 drm_bacon_bo_disable_reuse(drm_bacon_bo *bo)
 237 {
 238         if (bo->bufmgr->bo_disable_reuse)
 239                 return bo->bufmgr->bo_disable_reuse(bo);
 240         return 0;
 241 }
 242
 243 int
 244 drm_bacon_bo_is_reusable(drm_bacon_bo *bo)
 245 {
 246         if (bo->bufmgr->bo_is_reusable)
 247                 return bo->bufmgr->bo_is_reusable(bo);
 248         return 0;
 249 }
 250
 251 int
 252 drm_bacon_bo_busy(drm_bacon_bo *bo)
 253 {
 254         if (bo->bufmgr->bo_busy)
 255                 return bo->bufmgr->bo_busy(bo);
 256         return 0;
 257 }
 258
 259 int
 260 drm_bacon_bo_madvise(drm_bacon_bo *bo, int madv)
 261 {
 262         if (bo->bufmgr->bo_madvise)
 263                 return bo->bufmgr->bo_madvise(bo, madv);
 264         return -1;
 265 }
 266
 267 int
 268 drm_bacon_bo_references(drm_bacon_bo *bo, drm_bacon_bo *target_bo)
 269 {
 270         return bo->bufmgr->bo_references(bo, target_bo);
 271 }