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_reference(struct r300_winsys_screen *rws,
 102                                                 struct r300_winsys_buffer **pdst,
 103                                                 struct r300_winsys_buffer *src)
 104 {
 105     struct pb_buffer *_src = radeon_pb_buffer(src);
 106     struct pb_buffer *_dst = radeon_pb_buffer(*pdst);
 107
 108     pb_reference(&_dst, _src);
 109
 110     *pdst = radeon_libdrm_winsys_buffer(_dst);
 111 }
 112
 113 static boolean radeon_r300_winsys_is_buffer_referenced(struct r300_winsys_screen *rws,
 114                                                        struct r300_winsys_buffer *buf,
 115                                                        enum r300_reference_domain domain)
 116 {
 117     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 118
 119     return radeon_drm_bufmgr_is_buffer_referenced(_buf, domain);
 120 }
 121
 122 static struct r300_winsys_buffer *radeon_r300_winsys_buffer_from_handle(struct r300_winsys_screen *rws,
 123                                                                         struct pipe_screen *screen,
 124                                                                         struct winsys_handle *whandle,
 125                                                                         unsigned *stride)
 126 {
 127     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 128     struct pb_buffer *_buf;
 129
 130     _buf = radeon_drm_bufmgr_create_buffer_from_handle(ws->kman, whandle->handle);
 131     *stride = whandle->stride;
 132     return radeon_libdrm_winsys_buffer(_buf);
 133 }
 134
 135 static boolean radeon_r300_winsys_buffer_get_handle(struct r300_winsys_screen *rws,
 136                                                     struct r300_winsys_buffer *buffer,
 137                                                     unsigned stride,
 138                                                     struct winsys_handle *whandle)
 139 {
 140     struct pb_buffer *_buf = radeon_pb_buffer(buffer);
 141     boolean ret;
 142     ret = radeon_drm_bufmgr_get_handle(_buf, whandle);
 143     if (ret)
 144         whandle->stride = stride;
 145     return ret;
 146 }
 147
 148 static void radeon_set_flush_cb(struct r300_winsys_screen *rws,
 149                                 void (*flush_cb)(void *),
 150                                 void *data)
 151 {
 152     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 153     ws->flush_cb = flush_cb;
 154     ws->flush_data = data;
 155     radeon_cs_space_set_flush(ws->cs, flush_cb, data);
 156 }
 157
 158 static boolean radeon_add_buffer(struct r300_winsys_screen *rws,
 159                                  struct r300_winsys_buffer *buf,
 160                                  uint32_t rd,
 161                                  uint32_t wd)
 162 {
 163     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 164
 165     return radeon_drm_bufmgr_add_buffer(_buf, rd, wd);
 166 }
 167
 168 static boolean radeon_validate(struct r300_winsys_screen *rws)
 169 {
 170     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 171     if (radeon_cs_space_check(ws->cs) < 0) {
 172         return FALSE;
 173     }
 174
 175     /* Things are fine, we can proceed as normal. */
 176     return TRUE;
 177 }
 178
 179 static boolean radeon_check_cs(struct r300_winsys_screen *rws, int size)
 180 {
 181     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 182     struct radeon_cs *cs = ws->cs;
 183
 184     return cs->cdw + size <= cs->ndw;
 185 }
 186
 187 static void radeon_begin_cs(struct r300_winsys_screen *rws,
 188                             int size,
 189                             const char* file,
 190                             const char* function,
 191                             int line)
 192 {
 193     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 194     radeon_cs_begin(ws->cs, size, file, function, line);
 195 }
 196
 197 static void radeon_write_cs_dword(struct r300_winsys_screen *rws,
 198                                   uint32_t dword)
 199 {
 200     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 201     radeon_cs_write_dword(ws->cs, dword);
 202 }
 203
 204 static void radeon_write_cs_table(struct r300_winsys_screen *rws,
 205                                   const void *table, unsigned count)
 206 {
 207     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 208     radeon_cs_write_table(ws->cs, table, count);
 209 }
 210
 211 static void radeon_write_cs_reloc(struct r300_winsys_screen *rws,
 212                                   struct r300_winsys_buffer *buf,
 213                                   uint32_t rd,
 214                                   uint32_t wd,
 215                                   uint32_t flags)
 216 {
 217     struct pb_buffer *_buf = radeon_pb_buffer(buf);
 218     radeon_drm_bufmgr_write_reloc(_buf, rd, wd, flags);
 219 }
 220
 221 static void radeon_reset_bos(struct r300_winsys_screen *rws)
 222 {
 223     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 224     radeon_cs_space_reset_bos(ws->cs);
 225 }
 226
 227 static void radeon_end_cs(struct r300_winsys_screen *rws,
 228                           const char* file,
 229                           const char* function,
 230                           int line)
 231 {
 232     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 233     radeon_cs_end(ws->cs, file, function, line);
 234 }
 235
 236 static void radeon_flush_cs(struct r300_winsys_screen *rws)
 237 {
 238     struct radeon_libdrm_winsys *ws = radeon_winsys_screen(rws);
 239     int retval;
 240
 241     /* Don't flush a zero-sized CS. */
 242     if (!ws->cs->cdw) {
 243         return;
 244     }
 245
 246     radeon_drm_bufmgr_flush_maps(ws->kman);
 247     /* Emit the CS. */
 248     retval = radeon_cs_emit(ws->cs);
 249     if (retval) {
 250         debug_printf("radeon: Bad CS, dumping...\n");
 251         radeon_cs_print(ws->cs, stderr);
 252     }
 253
 254     /* Reset CS.
 255      * Someday, when we care about performance, we should really find a way
 256      * to rotate between two or three CS objects so that the GPU can be
 257      * spinning through one CS while another one is being filled. */
 258     radeon_cs_erase(ws->cs);
 259 }
 260
 261 static uint32_t radeon_get_value(struct r300_winsys_screen *rws,
 262                              enum r300_value_id id)
 263 {
 264     struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
 265
 266     switch(id) {
 267     case R300_VID_PCI_ID:
 268         return ws->pci_id;
 269     case R300_VID_GB_PIPES:
 270         return ws->gb_pipes;
 271     case R300_VID_Z_PIPES:
 272         return ws->z_pipes;
 273     case R300_VID_SQUARE_TILING_SUPPORT:
 274         return ws->squaretiling;
 275     case R300_VID_DRM_2_3_0:
 276         return ws->drm_2_3_0;
 277     }
 278     return 0;
 279 }
 280
 281 static void
 282 radeon_winsys_destroy(struct r300_winsys_screen *rws)
 283 {
 284     struct radeon_libdrm_winsys *ws = (struct radeon_libdrm_winsys *)rws;
 285     radeon_cs_destroy(ws->cs);
 286
 287     ws->cman->destroy(ws->cman);
 288     ws->kman->destroy(ws->kman);
 289     ws->mman->destroy(ws->mman);
 290
 291     radeon_bo_manager_gem_dtor(ws->bom);
 292     radeon_cs_manager_gem_dtor(ws->csm);
 293 }
 294
 295 boolean
 296 radeon_setup_winsys(int fd, struct radeon_libdrm_winsys* ws)
 297 {
 298
 299     ws->csm = radeon_cs_manager_gem_ctor(fd);
 300     if (!ws->csm)
 301         goto fail;
 302     ws->bom = radeon_bo_manager_gem_ctor(fd);
 303     if (!ws->bom)
 304         goto fail;
 305     ws->kman = radeon_drm_bufmgr_create(ws);
 306     if (!ws->kman)
 307         goto fail;
 308
 309     ws->cman = pb_cache_manager_create(ws->kman, 100000);
 310     if (!ws->cman)
 311         goto fail;
 312
 313     ws->mman = pb_malloc_bufmgr_create();
 314     if (!ws->mman)
 315         goto fail;
 316
 317     /* Size limit on IBs is 64 kibibytes. */
 318     ws->cs = radeon_cs_create(ws->csm, 1024 * 64 / 4);
 319     if (!ws->cs)
 320         goto fail;
 321     radeon_cs_set_limit(ws->cs,
 322             RADEON_GEM_DOMAIN_GTT, ws->gart_size);
 323     radeon_cs_set_limit(ws->cs,
 324             RADEON_GEM_DOMAIN_VRAM, ws->vram_size);
 325
 326     ws->base.add_buffer = radeon_add_buffer;
 327     ws->base.validate = radeon_validate;
 328     ws->base.destroy = radeon_winsys_destroy;
 329     ws->base.check_cs = radeon_check_cs;
 330     ws->base.begin_cs = radeon_begin_cs;
 331     ws->base.write_cs_dword = radeon_write_cs_dword;
 332     ws->base.write_cs_table = radeon_write_cs_table;
 333     ws->base.write_cs_reloc = radeon_write_cs_reloc;
 334     ws->base.end_cs = radeon_end_cs;
 335     ws->base.flush_cs = radeon_flush_cs;
 336     ws->base.reset_bos = radeon_reset_bos;
 337     ws->base.set_flush_cb = radeon_set_flush_cb;
 338     ws->base.get_value = radeon_get_value;
 339
 340     ws->base.buffer_create = radeon_r300_winsys_buffer_create;
 341     ws->base.buffer_destroy = radeon_r300_winsys_buffer_destroy;
 342     ws->base.buffer_set_tiling = radeon_r300_winsys_buffer_set_tiling;
 343     ws->base.buffer_get_tiling = radeon_r300_winsys_buffer_get_tiling;
 344     ws->base.buffer_map = radeon_r300_winsys_buffer_map;
 345     ws->base.buffer_unmap = radeon_r300_winsys_buffer_unmap;
 346     ws->base.buffer_reference = radeon_r300_winsys_buffer_reference;
 347     ws->base.buffer_from_handle = radeon_r300_winsys_buffer_from_handle;
 348     ws->base.buffer_get_handle = radeon_r300_winsys_buffer_get_handle;
 349     ws->base.is_buffer_referenced = radeon_r300_winsys_is_buffer_referenced;
 350     return TRUE;
 351
 352 fail:
 353     if (ws->csm)
 354         radeon_cs_manager_gem_dtor(ws->csm);
 355
 356     if (ws->bom)
 357         radeon_bo_manager_gem_dtor(ws->bom);
 358
 359     if (ws->cman)
 360         ws->cman->destroy(ws->cman);
 361     if (ws->kman)
 362         ws->kman->destroy(ws->kman);
 363     if (ws->mman)
 364         ws->mman->destroy(ws->mman);
 365
 366     if (ws->cs)
 367         radeon_cs_destroy(ws->cs);
 368     return FALSE;
 369 }