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_driver.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                                  enum r300_buffer_domain domain,
  35                                  unsigned size)
  36 {
  37     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
  38     struct pb_desc desc;
  39     struct pb_manager *provider;
  40     struct pb_buffer *buffer;
  41
  42     /* XXX this is hackish, but it's the only way to pass these flags
  43      * to the real create function. */
  44     usage &= ~(RADEON_USAGE_DOMAIN_GTT | RADEON_USAGE_DOMAIN_VRAM);
  45     if (domain & R300_DOMAIN_GTT)
  46         usage |= RADEON_USAGE_DOMAIN_GTT;
  47     if (domain & R300_DOMAIN_VRAM)
  48         usage |= RADEON_USAGE_DOMAIN_VRAM;
  49
  50     memset(&desc, 0, sizeof(desc));
  51     desc.alignment = alignment;
  52     desc.usage = usage;
  53
  54     if (usage & PIPE_BIND_CONSTANT_BUFFER)
  55         provider = ws->mman;
  56     else if ((usage & PIPE_BIND_VERTEX_BUFFER) ||
  57              (usage & PIPE_BIND_INDEX_BUFFER))
  58         provider = ws->cman;
  59     else
  60         provider = ws->kman;
  61     buffer = provider->create_buffer(provider, size, &desc);
  62     if (!buffer)
  63         return NULL;
  64
  65     return radeon_libdrm_winsys_buffer(buffer);
  66 }
  67
  68 static void radeon_r300_winsys_buffer_destroy(struct r300_winsys_buffer *buf)
  69 {
  70     struct pb_buffer *_buf = radeon_pb_buffer(buf);
  71
  72     pb_destroy(_buf);
  73 }
  74 static void radeon_r300_winsys_buffer_set_tiling(struct r300_winsys_screen *rws,
  75                                                   struct r300_winsys_buffer *buf,
  76                                                   uint32_t pitch,
  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_set_tiling(_buf, microtiled, macrotiled, pitch);
  82 }
  83
  84 static void radeon_r300_winsys_buffer_get_tiling(struct r300_winsys_screen *rws,
  85                                                   struct r300_winsys_buffer *buf,
  86                                                   enum r300_buffer_tiling *microtiled,
  87                                                   enum r300_buffer_tiling *macrotiled)
  88 {
  89     struct pb_buffer *_buf = radeon_pb_buffer(buf);
  90     radeon_drm_bufmgr_get_tiling(_buf, microtiled, macrotiled);
  91 }
  92
  93 static void *radeon_r300_winsys_buffer_map(struct r300_winsys_screen *ws,
  94                                            struct r300_winsys_buffer *buf,
  95                                            unsigned usage)
  96 {
  97     struct pb_buffer *_buf = radeon_pb_buffer(buf);
  98
  99     return pb_map(_buf, usage);
 100 }
 101
 102 static void radeon_r300_winsys_buffer_unmap(struct r300_winsys_screen *ws,
 103                                             struct r300_winsys_buffer *buf)
 104 {
 105     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 106
 107     pb_unmap(_buf);
 108 }
 109
 110 static void radeon_r300_winsys_buffer_wait(struct r300_winsys_screen *ws,
 111                                            struct r300_winsys_buffer *buf)
 112 {
 113     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 114     radeon_drm_bufmgr_wait(_buf);
 115 }
 116
 117 static void radeon_r300_winsys_buffer_reference(struct r300_winsys_screen *rws,
 118                                                 struct r300_winsys_buffer **pdst,
 119                                                 struct r300_winsys_buffer *src)
 120 {
 121     struct pb_buffer *_src = radeon_pb_buffer(src);
 122     struct pb_buffer *_dst = radeon_pb_buffer(*pdst);
 123
 124     pb_reference(&_dst, _src);
 125
 126     *pdst = radeon_libdrm_winsys_buffer(_dst);
 127 }
 128
 129 static boolean radeon_r300_winsys_is_buffer_referenced(struct r300_winsys_screen *rws,
 130                                                        struct r300_winsys_buffer *buf,
 131                                                        enum r300_reference_domain domain)
 132 {
 133     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 134
 135     return radeon_drm_bufmgr_is_buffer_referenced(_buf, domain);
 136 }
 137
 138 static struct r300_winsys_buffer *radeon_r300_winsys_buffer_from_handle(struct r300_winsys_screen *rws,
 139                                                                         struct winsys_handle *whandle,
 140                                                                         unsigned *stride)
 141 {
 142     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 143     struct pb_buffer *_buf;
 144
 145     *stride = whandle->stride;
 146
 147     _buf = radeon_drm_bufmgr_create_buffer_from_handle(ws->kman, whandle->handle);
 148     return radeon_libdrm_winsys_buffer(_buf);
 149 }
 150
 151 static boolean radeon_r300_winsys_buffer_get_handle(struct r300_winsys_screen *rws,
 152                                                     struct r300_winsys_buffer *buffer,
 153                                                     struct winsys_handle *whandle,
 154                                                     unsigned stride)
 155 {
 156     struct pb_buffer *_buf = radeon_pb_buffer(buffer);
 157     whandle->stride = stride;
 158     return radeon_drm_bufmgr_get_handle(_buf, whandle);
 159 }
 160
 161 static void radeon_set_flush_cb(struct r300_winsys_screen *rws,
 162                                 void (*flush_cb)(void *),
 163                                 void *data)
 164 {
 165     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 166     ws->flush_cb = flush_cb;
 167     ws->flush_data = data;
 168     radeon_cs_space_set_flush(ws->cs, flush_cb, data);
 169 }
 170
 171 static boolean radeon_add_buffer(struct r300_winsys_screen *rws,
 172                                  struct r300_winsys_buffer *buf,
 173                                  enum r300_buffer_domain rd,
 174                                  enum r300_buffer_domain wd)
 175 {
 176     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 177
 178     return radeon_drm_bufmgr_add_buffer(_buf, rd, wd);
 179 }
 180
 181 static boolean radeon_validate(struct r300_winsys_screen *rws)
 182 {
 183     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 184     if (radeon_cs_space_check(ws->cs) < 0) {
 185         return FALSE;
 186     }
 187
 188     /* Things are fine, we can proceed as normal. */
 189     return TRUE;
 190 }
 191
 192 static unsigned radeon_get_cs_free_dwords(struct r300_winsys_screen *rws)
 193 {
 194     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 195     struct radeon_cs *cs = ws->cs;
 196
 197     return cs->ndw - cs->cdw;
 198 }
 199
 200 static uint32_t *radeon_get_cs_pointer(struct r300_winsys_screen *rws,
 201                                        unsigned count)
 202 {
 203     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 204     struct radeon_cs *cs = ws->cs;
 205     uint32_t *ptr = cs->packets + cs->cdw;
 206
 207     cs->cdw += count;
 208     return ptr;
 209 }
 210
 211 static void radeon_write_cs_dword(struct r300_winsys_screen *rws,
 212                                   uint32_t dword)
 213 {
 214     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 215     radeon_cs_write_dword(ws->cs, dword);
 216 }
 217
 218 static void radeon_write_cs_table(struct r300_winsys_screen *rws,
 219                                   const void *table, unsigned count)
 220 {
 221     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 222     radeon_cs_write_table(ws->cs, table, count);
 223 }
 224
 225 static void radeon_write_cs_reloc(struct r300_winsys_screen *rws,
 226                                   struct r300_winsys_buffer *buf,
 227                                   enum r300_buffer_domain rd,
 228                                   enum r300_buffer_domain wd,
 229                                   uint32_t flags)
 230 {
 231     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 232     radeon_drm_bufmgr_write_reloc(_buf, rd, wd, flags);
 233 }
 234
 235 static void radeon_reset_bos(struct r300_winsys_screen *rws)
 236 {
 237     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 238     radeon_cs_space_reset_bos(ws->cs);
 239 }
 240
 241 static void radeon_flush_cs(struct r300_winsys_screen *rws)
 242 {
 243     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 244     int retval;
 245
 246     /* Don't flush a zero-sized CS. */
 247     if (!ws->cs->cdw) {
 248         return;
 249     }
 250
 251     radeon_drm_bufmgr_flush_maps(ws->kman);
 252     /* Emit the CS. */
 253     retval = radeon_cs_emit(ws->cs);
 254     if (retval) {
 255         if (debug_get_bool_option("RADEON_DUMP_CS", FALSE)) {
 256             fprintf(stderr, "radeon: The kernel rejected CS, dumping...\n");
 257             radeon_cs_print(ws->cs, stderr);
 258         } else {
 259             fprintf(stderr, "radeon: The kernel rejected CS, "
 260                             "see dmesg for more information.\n");
 261         }
 262     }
 263
 264     /* Reset CS.
 265      * Someday, when we care about performance, we should really find a way
 266      * to rotate between two or three CS objects so that the GPU can be
 267      * spinning through one CS while another one is being filled. */
 268     radeon_cs_erase(ws->cs);
 269 }
 270
 271 static uint32_t radeon_get_value(struct r300_winsys_screen *rws,
 272                              enum r300_value_id id)
 273 {
 274     struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
 275
 276     switch(id) {
 277     case R300_VID_PCI_ID:
 278         return ws->pci_id;
 279     case R300_VID_GB_PIPES:
 280         return ws->gb_pipes;
 281     case R300_VID_Z_PIPES:
 282         return ws->z_pipes;
 283     case R300_VID_SQUARE_TILING_SUPPORT:
 284         return ws->squaretiling;
 285     case R300_VID_DRM_2_3_0:
 286         return ws->drm_2_3_0;
 287     }
 288     return 0;
 289 }
 290
 291 static void
 292 radeon_winsys_destroy(struct r300_winsys_screen *rws)
 293 {
 294     struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
 295     radeon_cs_destroy(ws->cs);
 296
 297     ws->cman->destroy(ws->cman);
 298     ws->kman->destroy(ws->kman);
 299     ws->mman->destroy(ws->mman);
 300
 301     radeon_bo_manager_gem_dtor(ws->bom);
 302     radeon_cs_manager_gem_dtor(ws->csm);
 303 }
 304
 305 boolean
 306 radeon_setup_winsys(int fd, struct radeon_libdrm_winsys* ws)
 307 {
 308
 309     ws->csm = radeon_cs_manager_gem_ctor(fd);
 310     if (!ws->csm)
 311         goto fail;
 312     ws->bom = radeon_bo_manager_gem_ctor(fd);
 313     if (!ws->bom)
 314         goto fail;
 315     ws->kman = radeon_drm_bufmgr_create(ws);
 316     if (!ws->kman)
 317         goto fail;
 318
 319     ws->cman = pb_cache_manager_create(ws->kman, 100000);
 320     if (!ws->cman)
 321         goto fail;
 322
 323     ws->mman = pb_malloc_bufmgr_create();
 324     if (!ws->mman)
 325         goto fail;
 326
 327     /* Size limit on IBs is 64 kibibytes. */
 328     ws->cs = radeon_cs_create(ws->csm, 1024 * 64 / 4);
 329     if (!ws->cs)
 330         goto fail;
 331     radeon_cs_set_limit(ws->cs,
 332             RADEON_GEM_DOMAIN_GTT, ws->gart_size);
 333     radeon_cs_set_limit(ws->cs,
 334             RADEON_GEM_DOMAIN_VRAM, ws->vram_size);
 335
 336     ws->base.add_buffer = radeon_add_buffer;
 337     ws->base.validate = radeon_validate;
 338     ws->base.destroy = radeon_winsys_destroy;
 339     ws->base.get_cs_free_dwords = radeon_get_cs_free_dwords;
 340     ws->base.get_cs_pointer = radeon_get_cs_pointer;
 341     ws->base.write_cs_dword = radeon_write_cs_dword;
 342     ws->base.write_cs_table = radeon_write_cs_table;
 343     ws->base.write_cs_reloc = radeon_write_cs_reloc;
 344     ws->base.flush_cs = radeon_flush_cs;
 345     ws->base.reset_bos = radeon_reset_bos;
 346     ws->base.set_flush_cb = radeon_set_flush_cb;
 347     ws->base.get_value = radeon_get_value;
 348
 349     ws->base.buffer_create = radeon_r300_winsys_buffer_create;
 350     ws->base.buffer_destroy = radeon_r300_winsys_buffer_destroy;
 351     ws->base.buffer_set_tiling = radeon_r300_winsys_buffer_set_tiling;
 352     ws->base.buffer_get_tiling = radeon_r300_winsys_buffer_get_tiling;
 353     ws->base.buffer_map = radeon_r300_winsys_buffer_map;
 354     ws->base.buffer_unmap = radeon_r300_winsys_buffer_unmap;
 355     ws->base.buffer_wait = radeon_r300_winsys_buffer_wait;
 356     ws->base.buffer_reference = radeon_r300_winsys_buffer_reference;
 357     ws->base.buffer_from_handle = radeon_r300_winsys_buffer_from_handle;
 358     ws->base.buffer_get_handle = radeon_r300_winsys_buffer_get_handle;
 359     ws->base.is_buffer_referenced = radeon_r300_winsys_is_buffer_referenced;
 360     return TRUE;
 361
 362 fail:
 363     if (ws->csm)
 364         radeon_cs_manager_gem_dtor(ws->csm);
 365
 366     if (ws->bom)
 367         radeon_bo_manager_gem_dtor(ws->bom);
 368
 369     if (ws->cman)
 370         ws->cman->destroy(ws->cman);
 371     if (ws->kman)
 372         ws->kman->destroy(ws->kman);
 373     if (ws->mman)
 374         ws->mman->destroy(ws->mman);
 375
 376     if (ws->cs)
 377         radeon_cs_destroy(ws->cs);
 378     return FALSE;
 379 }