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