src/gallium/winsys/radeon/drm/radeon_r300.c

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 #include "radeon_r300.h"
  24 #include "radeon_buffer.h"
  25
  26 #include "radeon_bo_gem.h"
  27 #include "radeon_cs_gem.h"
  28 #include "state_tracker/drm_api.h"
  29
  30 static struct r300_winsys_buffer *
  31 radeon_r300_winsys_buffer_create(struct r300_winsys_screen *rws,
  32                                  unsigned alignment,
  33                                  unsigned usage,
  34                                  unsigned size)
  35 {
  36     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
  37     struct pb_desc desc;
  38     struct pb_manager *provider;
  39     struct pb_buffer *buffer;
  40
  41     memset(&desc, 0, sizeof(desc));
  42     desc.alignment = alignment;
  43     desc.usage = usage;
  44
  45     if (usage & PIPE_BIND_CONSTANT_BUFFER)
  46         provider = ws->mman;
  47     else if ((usage & PIPE_BIND_VERTEX_BUFFER) ||
  48              (usage & PIPE_BIND_INDEX_BUFFER))
  49         provider = ws->cman;
  50     else
  51         provider = ws->kman;
  52     buffer = provider->create_buffer(provider, size, &desc);
  53     if (!buffer)
  54         return NULL;
  55
  56     return radeon_libdrm_winsys_buffer(buffer);
  57 }
  58
  59 static void radeon_r300_winsys_buffer_destroy(struct r300_winsys_buffer *buf)
  60 {
  61     struct pb_buffer *_buf = radeon_pb_buffer(buf);
  62
  63     pb_destroy(_buf);
  64 }
  65 static void radeon_r300_winsys_buffer_set_tiling(struct r300_winsys_screen *rws,
  66                                                   struct r300_winsys_buffer *buf,
  67                                                   uint32_t pitch,
  68                                                   enum r300_buffer_tiling microtiled,
  69                                                   enum r300_buffer_tiling macrotiled)
  70 {
  71     struct pb_buffer *_buf = radeon_pb_buffer(buf);
  72     radeon_drm_bufmgr_set_tiling(_buf, microtiled, macrotiled, pitch);
  73 }
  74
  75 static void radeon_r300_winsys_buffer_get_tiling(struct r300_winsys_screen *rws,
  76                                                   struct r300_winsys_buffer *buf,
  77                                                   enum r300_buffer_tiling *microtiled,
  78                                                   enum r300_buffer_tiling *macrotiled)
  79 {
  80     struct pb_buffer *_buf = radeon_pb_buffer(buf);
  81     radeon_drm_bufmgr_get_tiling(_buf, microtiled, macrotiled);
  82 }
  83
  84 static void *radeon_r300_winsys_buffer_map(struct r300_winsys_screen *ws,
  85                                            struct r300_winsys_buffer *buf,
  86                                            unsigned usage)
  87 {
  88     struct pb_buffer *_buf = radeon_pb_buffer(buf);
  89
  90     return pb_map(_buf, usage);
  91 }
  92
  93 static void radeon_r300_winsys_buffer_unmap(struct r300_winsys_screen *ws,
  94                                             struct r300_winsys_buffer *buf)
  95 {
  96     struct pb_buffer *_buf = radeon_pb_buffer(buf);
  97
  98     pb_unmap(_buf);
  99 }
 100
 101 static void radeon_r300_winsys_buffer_wait(struct r300_winsys_screen *ws,
 102                                            struct r300_winsys_buffer *buf)
 103 {
 104     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 105     radeon_drm_bufmgr_wait(_buf);
 106 }
 107
 108 static void radeon_r300_winsys_buffer_reference(struct r300_winsys_screen *rws,
 109                                                 struct r300_winsys_buffer **pdst,
 110                                                 struct r300_winsys_buffer *src)
 111 {
 112     struct pb_buffer *_src = radeon_pb_buffer(src);
 113     struct pb_buffer *_dst = radeon_pb_buffer(*pdst);
 114
 115     pb_reference(&_dst, _src);
 116
 117     *pdst = radeon_libdrm_winsys_buffer(_dst);
 118 }
 119
 120 static boolean radeon_r300_winsys_is_buffer_referenced(struct r300_winsys_screen *rws,
 121                                                        struct r300_winsys_buffer *buf,
 122                                                        enum r300_reference_domain domain)
 123 {
 124     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 125
 126     return radeon_drm_bufmgr_is_buffer_referenced(_buf, domain);
 127 }
 128
 129 static struct r300_winsys_buffer *radeon_r300_winsys_buffer_from_handle(struct r300_winsys_screen *rws,
 130                                                                         struct pipe_screen *screen,
 131                                                                         struct winsys_handle *whandle,
 132                                                                         unsigned *stride)
 133 {
 134     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 135     struct pb_buffer *_buf;
 136
 137     _buf = radeon_drm_bufmgr_create_buffer_from_handle(ws->kman, whandle->handle);
 138     *stride = whandle->stride;
 139     return radeon_libdrm_winsys_buffer(_buf);
 140 }
 141
 142 static boolean radeon_r300_winsys_buffer_get_handle(struct r300_winsys_screen *rws,
 143                                                     struct r300_winsys_buffer *buffer,
 144                                                     unsigned stride,
 145                                                     struct winsys_handle *whandle)
 146 {
 147     struct pb_buffer *_buf = radeon_pb_buffer(buffer);
 148     boolean ret;
 149     ret = radeon_drm_bufmgr_get_handle(_buf, whandle);
 150     if (ret)
 151         whandle->stride = stride;
 152     return ret;
 153 }
 154
 155 static void radeon_set_flush_cb(struct r300_winsys_screen *rws,
 156                                 void (*flush_cb)(void *),
 157                                 void *data)
 158 {
 159     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 160     ws->flush_cb = flush_cb;
 161     ws->flush_data = data;
 162     radeon_cs_space_set_flush(ws->cs, flush_cb, data);
 163 }
 164
 165 static boolean radeon_add_buffer(struct r300_winsys_screen *rws,
 166                                  struct r300_winsys_buffer *buf,
 167                                  uint32_t rd,
 168                                  uint32_t wd)
 169 {
 170     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 171
 172     return radeon_drm_bufmgr_add_buffer(_buf, rd, wd);
 173 }
 174
 175 static boolean radeon_validate(struct r300_winsys_screen *rws)
 176 {
 177     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 178     if (radeon_cs_space_check(ws->cs) < 0) {
 179         return FALSE;
 180     }
 181
 182     /* Things are fine, we can proceed as normal. */
 183     return TRUE;
 184 }
 185
 186 static boolean radeon_check_cs(struct r300_winsys_screen *rws, int size)
 187 {
 188     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 189     struct radeon_cs *cs = ws->cs;
 190
 191     return cs->cdw + size <= cs->ndw;
 192 }
 193
 194 static void radeon_begin_cs(struct r300_winsys_screen *rws,
 195                             int size,
 196                             const char* file,
 197                             const char* function,
 198                             int line)
 199 {
 200     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 201     radeon_cs_begin(ws->cs, size, file, function, line);
 202 }
 203
 204 static void radeon_write_cs_dword(struct r300_winsys_screen *rws,
 205                                   uint32_t dword)
 206 {
 207     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 208     radeon_cs_write_dword(ws->cs, dword);
 209 }
 210
 211 static void radeon_write_cs_table(struct r300_winsys_screen *rws,
 212                                   const void *table, unsigned count)
 213 {
 214     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 215     radeon_cs_write_table(ws->cs, table, count);
 216 }
 217
 218 static void radeon_write_cs_reloc(struct r300_winsys_screen *rws,
 219                                   struct r300_winsys_buffer *buf,
 220                                   uint32_t rd,
 221                                   uint32_t wd,
 222                                   uint32_t flags)
 223 {
 224     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 225     radeon_drm_bufmgr_write_reloc(_buf, rd, wd, flags);
 226 }
 227
 228 static void radeon_reset_bos(struct r300_winsys_screen *rws)
 229 {
 230     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 231     radeon_cs_space_reset_bos(ws->cs);
 232 }
 233
 234 static void radeon_end_cs(struct r300_winsys_screen *rws,
 235                           const char* file,
 236                           const char* function,
 237                           int line)
 238 {
 239     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 240     radeon_cs_end(ws->cs, file, function, line);
 241 }
 242
 243 static void radeon_flush_cs(struct r300_winsys_screen *rws)
 244 {
 245     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 246     int retval;
 247
 248     /* Don't flush a zero-sized CS. */
 249     if (!ws->cs->cdw) {
 250         return;
 251     }
 252
 253     radeon_drm_bufmgr_flush_maps(ws->kman);
 254     /* Emit the CS. */
 255     retval = radeon_cs_emit(ws->cs);
 256     if (retval) {
 257         debug_printf("radeon: Bad CS, dumping...\n");
 258         radeon_cs_print(ws->cs, stderr);
 259     }
 260
 261     /* Reset CS.
 262      * Someday, when we care about performance, we should really find a way
 263      * to rotate between two or three CS objects so that the GPU can be
 264      * spinning through one CS while another one is being filled. */
 265     radeon_cs_erase(ws->cs);
 266 }
 267
 268 static uint32_t radeon_get_value(struct r300_winsys_screen *rws,
 269                              enum r300_value_id id)
 270 {
 271     struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
 272
 273     switch(id) {
 274     case R300_VID_PCI_ID:
 275         return ws->pci_id;
 276     case R300_VID_GB_PIPES:
 277         return ws->gb_pipes;
 278     case R300_VID_Z_PIPES:
 279         return ws->z_pipes;
 280     case R300_VID_SQUARE_TILING_SUPPORT:
 281         return ws->squaretiling;
 282     case R300_VID_DRM_2_3_0:
 283         return ws->drm_2_3_0;
 284     }
 285     return 0;
 286 }
 287
 288 static void
 289 radeon_winsys_destroy(struct r300_winsys_screen *rws)
 290 {
 291     struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
 292     radeon_cs_destroy(ws->cs);
 293
 294     ws->cman->destroy(ws->cman);
 295     ws->kman->destroy(ws->kman);
 296     ws->mman->destroy(ws->mman);
 297
 298     radeon_bo_manager_gem_dtor(ws->bom);
 299     radeon_cs_manager_gem_dtor(ws->csm);
 300 }
 301
 302 boolean
 303 radeon_setup_winsys(int fd, struct radeon_libdrm_winsys* ws)
 304 {
 305
 306     ws->csm = radeon_cs_manager_gem_ctor(fd);
 307     if (!ws->csm)
 308         goto fail;
 309     ws->bom = radeon_bo_manager_gem_ctor(fd);
 310     if (!ws->bom)
 311         goto fail;
 312     ws->kman = radeon_drm_bufmgr_create(ws);
 313     if (!ws->kman)
 314         goto fail;
 315
 316     ws->cman = pb_cache_manager_create(ws->kman, 100000);
 317     if (!ws->cman)
 318         goto fail;
 319
 320     ws->mman = pb_malloc_bufmgr_create();
 321     if (!ws->mman)
 322         goto fail;
 323
 324     /* Size limit on IBs is 64 kibibytes. */
 325     ws->cs = radeon_cs_create(ws->csm, 1024 * 64 / 4);
 326     if (!ws->cs)
 327         goto fail;
 328     radeon_cs_set_limit(ws->cs,
 329             RADEON_GEM_DOMAIN_GTT, ws->gart_size);
 330     radeon_cs_set_limit(ws->cs,
 331             RADEON_GEM_DOMAIN_VRAM, ws->vram_size);
 332
 333     ws->base.add_buffer = radeon_add_buffer;
 334     ws->base.validate = radeon_validate;
 335     ws->base.destroy = radeon_winsys_destroy;
 336     ws->base.check_cs = radeon_check_cs;
 337     ws->base.begin_cs = radeon_begin_cs;
 338     ws->base.write_cs_dword = radeon_write_cs_dword;
 339     ws->base.write_cs_table = radeon_write_cs_table;
 340     ws->base.write_cs_reloc = radeon_write_cs_reloc;
 341     ws->base.end_cs = radeon_end_cs;
 342     ws->base.flush_cs = radeon_flush_cs;
 343     ws->base.reset_bos = radeon_reset_bos;
 344     ws->base.set_flush_cb = radeon_set_flush_cb;
 345     ws->base.get_value = radeon_get_value;
 346
 347     ws->base.buffer_create = radeon_r300_winsys_buffer_create;
 348     ws->base.buffer_destroy = radeon_r300_winsys_buffer_destroy;
 349     ws->base.buffer_set_tiling = radeon_r300_winsys_buffer_set_tiling;
 350     ws->base.buffer_get_tiling = radeon_r300_winsys_buffer_get_tiling;
 351     ws->base.buffer_map = radeon_r300_winsys_buffer_map;
 352     ws->base.buffer_unmap = radeon_r300_winsys_buffer_unmap;
 353     ws->base.buffer_wait = radeon_r300_winsys_buffer_wait;
 354     ws->base.buffer_reference = radeon_r300_winsys_buffer_reference;
 355     ws->base.buffer_from_handle = radeon_r300_winsys_buffer_from_handle;
 356     ws->base.buffer_get_handle = radeon_r300_winsys_buffer_get_handle;
 357     ws->base.is_buffer_referenced = radeon_r300_winsys_is_buffer_referenced;
 358     return TRUE;
 359
 360 fail:
 361     if (ws->csm)
 362         radeon_cs_manager_gem_dtor(ws->csm);
 363
 364     if (ws->bom)
 365         radeon_bo_manager_gem_dtor(ws->bom);
 366
 367     if (ws->cman)
 368         ws->cman->destroy(ws->cman);
 369     if (ws->kman)
 370         ws->kman->destroy(ws->kman);
 371     if (ws->mman)
 372         ws->mman->destroy(ws->mman);
 373
 374     if (ws->cs)
 375         radeon_cs_destroy(ws->cs);
 376     return FALSE;
 377 }