src/gallium/drivers/r600/r600_pipe.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   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 <stdio.h>
  24 #include <errno.h>
  25 #include "pipe/p_defines.h"
  26 #include "pipe/p_state.h"
  27 #include "pipe/p_context.h"
  28 #include "tgsi/tgsi_scan.h"
  29 #include "tgsi/tgsi_parse.h"
  30 #include "tgsi/tgsi_util.h"
  31 #include "util/u_blitter.h"
  32 #include "util/u_double_list.h"
  33 #include "util/u_format.h"
  34 #include "util/u_format_s3tc.h"
  35 #include "util/u_transfer.h"
  36 #include "util/u_surface.h"
  37 #include "util/u_pack_color.h"
  38 #include "util/u_memory.h"
  39 #include "util/u_inlines.h"
  40 #include "util/u_upload_mgr.h"
  41 #include "vl/vl_decoder.h"
  42 #include "vl/vl_video_buffer.h"
  43 #include "os/os_time.h"
  44 #include "pipebuffer/pb_buffer.h"
  45 #include "r600.h"
  46 #include "r600d.h"
  47 #include "r600_resource.h"
  48 #include "r600_shader.h"
  49 #include "r600_pipe.h"
  50
  51 /*
  52  * pipe_context
  53  */
  54 static struct r600_fence *r600_create_fence(struct r600_pipe_context *ctx)
  55 {
  56         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  57         struct r600_fence *fence = NULL;
  58
  59         if (!ctx->fences.bo) {
  60                 /* Create the shared buffer object */
  61                 ctx->fences.bo = r600_bo(ctx->radeon, 4096, 0, 0, 0);
  62                 if (!ctx->fences.bo) {
  63                         R600_ERR("r600: failed to create bo for fence objects\n");
  64                         return NULL;
  65                 }
  66                 ctx->fences.data = r600_bo_map(ctx->radeon, ctx->fences.bo, rctx->ctx.cs,
  67                                                PIPE_TRANSFER_UNSYNCHRONIZED | PIPE_TRANSFER_WRITE);
  68         }
  69
  70         if (!LIST_IS_EMPTY(&ctx->fences.pool)) {
  71                 struct r600_fence *entry;
  72
  73                 /* Try to find a freed fence that has been signalled */
  74                 LIST_FOR_EACH_ENTRY(entry, &ctx->fences.pool, head) {
  75                         if (ctx->fences.data[entry->index] != 0) {
  76                                 LIST_DELINIT(&entry->head);
  77                                 fence = entry;
  78                                 break;
  79                         }
  80                 }
  81         }
  82
  83         if (!fence) {
  84                 /* Allocate a new fence */
  85                 struct r600_fence_block *block;
  86                 unsigned index;
  87
  88                 if ((ctx->fences.next_index + 1) >= 1024) {
  89                         R600_ERR("r600: too many concurrent fences\n");
  90                         return NULL;
  91                 }
  92
  93                 index = ctx->fences.next_index++;
  94
  95                 if (!(index % FENCE_BLOCK_SIZE)) {
  96                         /* Allocate a new block */
  97                         block = CALLOC_STRUCT(r600_fence_block);
  98                         if (block == NULL)
  99                                 return NULL;
 100
 101                         LIST_ADD(&block->head, &ctx->fences.blocks);
 102                 } else {
 103                         block = LIST_ENTRY(struct r600_fence_block, ctx->fences.blocks.next, head);
 104                 }
 105
 106                 fence = &block->fences[index % FENCE_BLOCK_SIZE];
 107                 fence->ctx = ctx;
 108                 fence->index = index;
 109         }
 110
 111         pipe_reference_init(&fence->reference, 1);
 112
 113         ctx->fences.data[fence->index] = 0;
 114         r600_context_emit_fence(&ctx->ctx, ctx->fences.bo, fence->index, 1);
 115         return fence;
 116 }
 117
 118
 119 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 120                 unsigned flags)
 121 {
 122         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 123         struct r600_fence **rfence = (struct r600_fence**)fence;
 124
 125         if (rfence)
 126                 *rfence = r600_create_fence(rctx);
 127
 128         r600_context_flush(&rctx->ctx, flags);
 129 }
 130
 131 static void r600_flush_from_st(struct pipe_context *ctx,
 132                                struct pipe_fence_handle **fence)
 133 {
 134         r600_flush(ctx, fence, 0);
 135 }
 136
 137 static void r600_flush_from_winsys(void *ctx, unsigned flags)
 138 {
 139         r600_flush((struct pipe_context*)ctx, NULL, flags);
 140 }
 141
 142 static void r600_update_num_contexts(struct r600_screen *rscreen, int diff)
 143 {
 144         pipe_mutex_lock(rscreen->mutex_num_contexts);
 145         if (diff > 0) {
 146                 rscreen->num_contexts++;
 147
 148                 if (rscreen->num_contexts > 1)
 149                         util_slab_set_thread_safety(&rscreen->pool_buffers,
 150                                                     UTIL_SLAB_MULTITHREADED);
 151         } else {
 152                 rscreen->num_contexts--;
 153
 154                 if (rscreen->num_contexts <= 1)
 155                         util_slab_set_thread_safety(&rscreen->pool_buffers,
 156                                                     UTIL_SLAB_SINGLETHREADED);
 157         }
 158         pipe_mutex_unlock(rscreen->mutex_num_contexts);
 159 }
 160
 161 static void r600_destroy_context(struct pipe_context *context)
 162 {
 163         struct r600_pipe_context *rctx = (struct r600_pipe_context *)context;
 164
 165         rctx->context.delete_depth_stencil_alpha_state(&rctx->context, rctx->custom_dsa_flush);
 166         util_unreference_framebuffer_state(&rctx->framebuffer);
 167
 168         r600_context_fini(&rctx->ctx);
 169
 170         util_blitter_destroy(rctx->blitter);
 171
 172         for (int i = 0; i < R600_PIPE_NSTATES; i++) {
 173                 free(rctx->states[i]);
 174         }
 175
 176         u_vbuf_destroy(rctx->vbuf_mgr);
 177         util_slab_destroy(&rctx->pool_transfers);
 178
 179         if (rctx->fences.bo) {
 180                 struct r600_fence_block *entry, *tmp;
 181
 182                 LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, &rctx->fences.blocks, head) {
 183                         LIST_DEL(&entry->head);
 184                         FREE(entry);
 185                 }
 186
 187                 r600_bo_unmap(rctx->radeon, rctx->fences.bo);
 188                 r600_bo_reference(&rctx->fences.bo, NULL);
 189         }
 190
 191         r600_update_num_contexts(rctx->screen, -1);
 192
 193         FREE(rctx);
 194 }
 195
 196 static struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv)
 197 {
 198         struct r600_pipe_context *rctx = CALLOC_STRUCT(r600_pipe_context);
 199         struct r600_screen* rscreen = (struct r600_screen *)screen;
 200
 201         if (rctx == NULL)
 202                 return NULL;
 203
 204         r600_update_num_contexts(rscreen, 1);
 205
 206         rctx->context.winsys = rscreen->screen.winsys;
 207         rctx->context.screen = screen;
 208         rctx->context.priv = priv;
 209         rctx->context.destroy = r600_destroy_context;
 210         rctx->context.flush = r600_flush_from_st;
 211
 212         /* Easy accessing of screen/winsys. */
 213         rctx->screen = rscreen;
 214         rctx->radeon = rscreen->radeon;
 215         rctx->family = r600_get_family(rctx->radeon);
 216         rctx->chip_class = r600_get_family_class(rctx->radeon);
 217
 218         rctx->fences.bo = NULL;
 219         rctx->fences.data = NULL;
 220         rctx->fences.next_index = 0;
 221         LIST_INITHEAD(&rctx->fences.pool);
 222         LIST_INITHEAD(&rctx->fences.blocks);
 223
 224         r600_init_blit_functions(rctx);
 225         r600_init_query_functions(rctx);
 226         r600_init_context_resource_functions(rctx);
 227         r600_init_surface_functions(rctx);
 228         rctx->context.draw_vbo = r600_draw_vbo;
 229
 230         rctx->context.create_video_decoder = vl_create_decoder;
 231         rctx->context.create_video_buffer = vl_video_buffer_create;
 232
 233         switch (rctx->chip_class) {
 234         case R600:
 235         case R700:
 236                 r600_init_state_functions(rctx);
 237                 if (r600_context_init(&rctx->ctx, rctx->radeon)) {
 238                         r600_destroy_context(&rctx->context);
 239                         return NULL;
 240                 }
 241                 r600_init_config(rctx);
 242                 rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
 243                 break;
 244         case EVERGREEN:
 245         case CAYMAN:
 246                 evergreen_init_state_functions(rctx);
 247                 if (evergreen_context_init(&rctx->ctx, rctx->radeon)) {
 248                         r600_destroy_context(&rctx->context);
 249                         return NULL;
 250                 }
 251                 evergreen_init_config(rctx);
 252                 rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
 253                 break;
 254         default:
 255                 R600_ERR("Unsupported chip class %d.\n", rctx->chip_class);
 256                 r600_destroy_context(&rctx->context);
 257                 return NULL;
 258         }
 259
 260         rctx->screen->ws->cs_set_flush_callback(rctx->ctx.cs, r600_flush_from_winsys, rctx);
 261
 262         util_slab_create(&rctx->pool_transfers,
 263                          sizeof(struct pipe_transfer), 64,
 264                          UTIL_SLAB_SINGLETHREADED);
 265
 266         rctx->vbuf_mgr = u_vbuf_create(&rctx->context, 1024 * 1024, 256,
 267                                            PIPE_BIND_VERTEX_BUFFER |
 268                                            PIPE_BIND_INDEX_BUFFER |
 269                                            PIPE_BIND_CONSTANT_BUFFER,
 270                                            U_VERTEX_FETCH_DWORD_ALIGNED);
 271         if (!rctx->vbuf_mgr) {
 272                 r600_destroy_context(&rctx->context);
 273                 return NULL;
 274         }
 275         rctx->vbuf_mgr->caps.format_fixed32 = 0;
 276
 277         rctx->blitter = util_blitter_create(&rctx->context);
 278         if (rctx->blitter == NULL) {
 279                 r600_destroy_context(&rctx->context);
 280                 return NULL;
 281         }
 282
 283         return &rctx->context;
 284 }
 285
 286 /*
 287  * pipe_screen
 288  */
 289 static const char* r600_get_vendor(struct pipe_screen* pscreen)
 290 {
 291         return "X.Org";
 292 }
 293
 294 static const char *r600_get_family_name(enum radeon_family family)
 295 {
 296         switch(family) {
 297         case CHIP_R600: return "AMD R600";
 298         case CHIP_RV610: return "AMD RV610";
 299         case CHIP_RV630: return "AMD RV630";
 300         case CHIP_RV670: return "AMD RV670";
 301         case CHIP_RV620: return "AMD RV620";
 302         case CHIP_RV635: return "AMD RV635";
 303         case CHIP_RS780: return "AMD RS780";
 304         case CHIP_RS880: return "AMD RS880";
 305         case CHIP_RV770: return "AMD RV770";
 306         case CHIP_RV730: return "AMD RV730";
 307         case CHIP_RV710: return "AMD RV710";
 308         case CHIP_RV740: return "AMD RV740";
 309         case CHIP_CEDAR: return "AMD CEDAR";
 310         case CHIP_REDWOOD: return "AMD REDWOOD";
 311         case CHIP_JUNIPER: return "AMD JUNIPER";
 312         case CHIP_CYPRESS: return "AMD CYPRESS";
 313         case CHIP_HEMLOCK: return "AMD HEMLOCK";
 314         case CHIP_PALM: return "AMD PALM";
 315         case CHIP_SUMO: return "AMD SUMO";
 316         case CHIP_SUMO2: return "AMD SUMO2";
 317         case CHIP_BARTS: return "AMD BARTS";
 318         case CHIP_TURKS: return "AMD TURKS";
 319         case CHIP_CAICOS: return "AMD CAICOS";
 320         case CHIP_CAYMAN: return "AMD CAYMAN";
 321         default: return "AMD unknown";
 322         }
 323 }
 324
 325 static const char* r600_get_name(struct pipe_screen* pscreen)
 326 {
 327         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 328         enum radeon_family family = r600_get_family(rscreen->radeon);
 329
 330         return r600_get_family_name(family);
 331 }
 332
 333 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 334 {
 335         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 336         enum radeon_family family = r600_get_family(rscreen->radeon);
 337
 338         switch (param) {
 339         /* Supported features (boolean caps). */
 340         case PIPE_CAP_NPOT_TEXTURES:
 341         case PIPE_CAP_TWO_SIDED_STENCIL:
 342         case PIPE_CAP_GLSL:
 343         case PIPE_CAP_DUAL_SOURCE_BLEND:
 344         case PIPE_CAP_ANISOTROPIC_FILTER:
 345         case PIPE_CAP_POINT_SPRITE:
 346         case PIPE_CAP_OCCLUSION_QUERY:
 347         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 348         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 349         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 350         case PIPE_CAP_TEXTURE_SWIZZLE:
 351         case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
 352         case PIPE_CAP_DEPTH_CLAMP:
 353         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 354         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 355         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 356         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 357         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 358         case PIPE_CAP_SM3:
 359         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 360         case PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL:
 361         case PIPE_CAP_PRIMITIVE_RESTART:
 362         case PIPE_CAP_CONDITIONAL_RENDER:
 363                 return 1;
 364
 365         /* Supported except the original R600. */
 366         case PIPE_CAP_INDEP_BLEND_ENABLE:
 367         case PIPE_CAP_INDEP_BLEND_FUNC:
 368                 /* R600 doesn't support per-MRT blends */
 369                 return family == CHIP_R600 ? 0 : 1;
 370
 371         /* Supported on Evergreen. */
 372         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 373                 return family >= CHIP_CEDAR ? 1 : 0;
 374
 375         /* Unsupported features. */
 376         case PIPE_CAP_STREAM_OUTPUT:
 377         case PIPE_CAP_TGSI_INSTANCEID:
 378         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 379         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 380                 return 0;
 381
 382         /* Texturing. */
 383         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 384         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 385         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 386                 if (family >= CHIP_CEDAR)
 387                         return 15;
 388                 else
 389                         return 14;
 390         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 391                 return rscreen->info.drm_minor >= 9 ?
 392                         (family >= CHIP_CEDAR ? 16384 : 8192) : 0;
 393         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 394                 return 32;
 395
 396         /* Render targets. */
 397         case PIPE_CAP_MAX_RENDER_TARGETS:
 398                 /* FIXME some r6xx are buggy and can only do 4 */
 399                 return 8;
 400
 401         /* Timer queries, present when the clock frequency is non zero. */
 402         case PIPE_CAP_TIMER_QUERY:
 403                 return rscreen->info.r600_clock_crystal_freq != 0;
 404
 405         case PIPE_CAP_MIN_TEXEL_OFFSET:
 406                 return -8;
 407
 408         case PIPE_CAP_MAX_TEXEL_OFFSET:
 409                 return 7;
 410
 411         default:
 412                 R600_ERR("r600: unknown param %d\n", param);
 413                 return 0;
 414         }
 415 }
 416
 417 static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 418 {
 419         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 420         enum radeon_family family = r600_get_family(rscreen->radeon);
 421
 422         switch (param) {
 423         case PIPE_CAP_MAX_LINE_WIDTH:
 424         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 425         case PIPE_CAP_MAX_POINT_WIDTH:
 426         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 427                 if (family >= CHIP_CEDAR)
 428                         return 16384.0f;
 429                 else
 430                         return 8192.0f;
 431         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 432                 return 16.0f;
 433         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 434                 return 16.0f;
 435         default:
 436                 R600_ERR("r600: unsupported paramf %d\n", param);
 437                 return 0.0f;
 438         }
 439 }
 440
 441 static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
 442 {
 443         switch(shader)
 444         {
 445         case PIPE_SHADER_FRAGMENT:
 446         case PIPE_SHADER_VERTEX:
 447                 break;
 448         case PIPE_SHADER_GEOMETRY:
 449                 /* TODO: support and enable geometry programs */
 450                 return 0;
 451         default:
 452                 /* TODO: support tessellation on Evergreen */
 453                 return 0;
 454         }
 455
 456         /* TODO: all these should be fixed, since r600 surely supports much more! */
 457         switch (param) {
 458         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 459         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 460         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 461         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 462                 return 16384;
 463         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 464                 return 8; /* FIXME */
 465         case PIPE_SHADER_CAP_MAX_INPUTS:
 466                 if(shader == PIPE_SHADER_FRAGMENT)
 467                         return 34;
 468                 else
 469                         return 32;
 470         case PIPE_SHADER_CAP_MAX_TEMPS:
 471                 return 256; /* Max native temporaries. */
 472         case PIPE_SHADER_CAP_MAX_ADDRS:
 473                 /* FIXME Isn't this equal to TEMPS? */
 474                 return 1; /* Max native address registers */
 475         case PIPE_SHADER_CAP_MAX_CONSTS:
 476                 return R600_MAX_CONST_BUFFER_SIZE;
 477         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 478                 return R600_MAX_CONST_BUFFERS;
 479         case PIPE_SHADER_CAP_MAX_PREDS:
 480                 return 0; /* FIXME */
 481         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 482                 return 1;
 483         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 484         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 485         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 486         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 487                 return 1;
 488         case PIPE_SHADER_CAP_SUBROUTINES:
 489                 return 0;
 490         case PIPE_SHADER_CAP_INTEGERS:
 491                 return 0;
 492         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 493                 return 16;
 494         default:
 495                 return 0;
 496         }
 497 }
 498
 499 static int r600_get_video_param(struct pipe_screen *screen,
 500                                 enum pipe_video_profile profile,
 501                                 enum pipe_video_cap param)
 502 {
 503         switch (param) {
 504         case PIPE_VIDEO_CAP_SUPPORTED:
 505                 return vl_profile_supported(screen, profile);
 506         case PIPE_VIDEO_CAP_NPOT_TEXTURES:
 507                 return 1;
 508         case PIPE_VIDEO_CAP_MAX_WIDTH:
 509         case PIPE_VIDEO_CAP_MAX_HEIGHT:
 510                 return vl_video_buffer_max_size(screen);
 511         case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED:
 512                 return vl_num_buffers_desired(screen, profile);
 513         default:
 514                 return 0;
 515         }
 516 }
 517
 518 static void r600_destroy_screen(struct pipe_screen* pscreen)
 519 {
 520         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 521
 522         if (rscreen == NULL)
 523                 return;
 524
 525         radeon_destroy(rscreen->radeon);
 526         rscreen->ws->destroy(rscreen->ws);
 527
 528         util_slab_destroy(&rscreen->pool_buffers);
 529         pipe_mutex_destroy(rscreen->mutex_num_contexts);
 530         FREE(rscreen);
 531 }
 532
 533 static void r600_fence_reference(struct pipe_screen *pscreen,
 534                                  struct pipe_fence_handle **ptr,
 535                                  struct pipe_fence_handle *fence)
 536 {
 537         struct r600_fence **oldf = (struct r600_fence**)ptr;
 538         struct r600_fence *newf = (struct r600_fence*)fence;
 539
 540         if (pipe_reference(&(*oldf)->reference, &newf->reference)) {
 541                 struct r600_pipe_context *ctx = (*oldf)->ctx;
 542                 LIST_ADDTAIL(&(*oldf)->head, &ctx->fences.pool);
 543         }
 544
 545         *ptr = fence;
 546 }
 547
 548 static boolean r600_fence_signalled(struct pipe_screen *pscreen,
 549                                     struct pipe_fence_handle *fence)
 550 {
 551         struct r600_fence *rfence = (struct r600_fence*)fence;
 552         struct r600_pipe_context *ctx = rfence->ctx;
 553
 554         return ctx->fences.data[rfence->index];
 555 }
 556
 557 static boolean r600_fence_finish(struct pipe_screen *pscreen,
 558                                  struct pipe_fence_handle *fence,
 559                                  uint64_t timeout)
 560 {
 561         struct r600_fence *rfence = (struct r600_fence*)fence;
 562         struct r600_pipe_context *ctx = rfence->ctx;
 563         int64_t start_time = 0;
 564         unsigned spins = 0;
 565
 566         if (timeout != PIPE_TIMEOUT_INFINITE) {
 567                 start_time = os_time_get();
 568
 569                 /* Convert to microseconds. */
 570                 timeout /= 1000;
 571         }
 572
 573         while (ctx->fences.data[rfence->index] == 0) {
 574                 if (++spins % 256)
 575                         continue;
 576 #ifdef PIPE_OS_UNIX
 577                 sched_yield();
 578 #else
 579                 os_time_sleep(10);
 580 #endif
 581                 if (timeout != PIPE_TIMEOUT_INFINITE &&
 582                     os_time_get() - start_time >= timeout) {
 583                         return FALSE;
 584                 }
 585         }
 586
 587         return TRUE;
 588 }
 589
 590 static int r600_interpret_tiling(struct r600_screen *rscreen, uint32_t tiling_config)
 591 {
 592         switch ((tiling_config & 0xe) >> 1) {
 593         case 0:
 594                 rscreen->tiling_info.num_channels = 1;
 595                 break;
 596         case 1:
 597                 rscreen->tiling_info.num_channels = 2;
 598                 break;
 599         case 2:
 600                 rscreen->tiling_info.num_channels = 4;
 601                 break;
 602         case 3:
 603                 rscreen->tiling_info.num_channels = 8;
 604                 break;
 605         default:
 606                 return -EINVAL;
 607         }
 608
 609         switch ((tiling_config & 0x30) >> 4) {
 610         case 0:
 611                 rscreen->tiling_info.num_banks = 4;
 612                 break;
 613         case 1:
 614                 rscreen->tiling_info.num_banks = 8;
 615                 break;
 616         default:
 617                 return -EINVAL;
 618
 619         }
 620         switch ((tiling_config & 0xc0) >> 6) {
 621         case 0:
 622                 rscreen->tiling_info.group_bytes = 256;
 623                 break;
 624         case 1:
 625                 rscreen->tiling_info.group_bytes = 512;
 626                 break;
 627         default:
 628                 return -EINVAL;
 629         }
 630         return 0;
 631 }
 632
 633 static int evergreen_interpret_tiling(struct r600_screen *rscreen, uint32_t tiling_config)
 634 {
 635         switch (tiling_config & 0xf) {
 636         case 0:
 637                 rscreen->tiling_info.num_channels = 1;
 638                 break;
 639         case 1:
 640                 rscreen->tiling_info.num_channels = 2;
 641                 break;
 642         case 2:
 643                 rscreen->tiling_info.num_channels = 4;
 644                 break;
 645         case 3:
 646                 rscreen->tiling_info.num_channels = 8;
 647                 break;
 648         default:
 649                 return -EINVAL;
 650         }
 651
 652         switch ((tiling_config & 0xf0) >> 4) {
 653         case 0:
 654                 rscreen->tiling_info.num_banks = 4;
 655                 break;
 656         case 1:
 657                 rscreen->tiling_info.num_banks = 8;
 658                 break;
 659         case 2:
 660                 rscreen->tiling_info.num_banks = 16;
 661                 break;
 662         default:
 663                 return -EINVAL;
 664         }
 665
 666         switch ((tiling_config & 0xf00) >> 8) {
 667         case 0:
 668                 rscreen->tiling_info.group_bytes = 256;
 669                 break;
 670         case 1:
 671                 rscreen->tiling_info.group_bytes = 512;
 672                 break;
 673         default:
 674                 return -EINVAL;
 675         }
 676         return 0;
 677 }
 678
 679 static int r600_init_tiling(struct r600_screen *rscreen)
 680 {
 681         uint32_t tiling_config = rscreen->info.r600_tiling_config;
 682
 683         /* set default group bytes, overridden by tiling info ioctl */
 684         if (r600_get_family_class(rscreen->radeon) <= R700) {
 685                 rscreen->tiling_info.group_bytes = 256;
 686         } else {
 687                 rscreen->tiling_info.group_bytes = 512;
 688         }
 689
 690         if (!tiling_config)
 691                 return 0;
 692
 693         if (r600_get_family_class(rscreen->radeon) <= R700) {
 694                 return r600_interpret_tiling(rscreen, tiling_config);
 695         } else {
 696                 return evergreen_interpret_tiling(rscreen, tiling_config);
 697         }
 698 }
 699
 700 struct pipe_screen *r600_screen_create(struct radeon_winsys *ws)
 701 {
 702         struct r600_screen *rscreen;
 703         struct radeon *radeon = radeon_create(ws);
 704         if (!radeon) {
 705                 return NULL;
 706         }
 707
 708         rscreen = CALLOC_STRUCT(r600_screen);
 709         if (rscreen == NULL) {
 710                 radeon_destroy(radeon);
 711                 return NULL;
 712         }
 713
 714         rscreen->ws = ws;
 715         rscreen->radeon = radeon;
 716         ws->query_info(ws, &rscreen->info);
 717
 718         if (r600_init_tiling(rscreen)) {
 719                 radeon_destroy(radeon);
 720                 FREE(rscreen);
 721                 return NULL;
 722         }
 723
 724         rscreen->screen.winsys = (struct pipe_winsys*)ws;
 725         rscreen->screen.destroy = r600_destroy_screen;
 726         rscreen->screen.get_name = r600_get_name;
 727         rscreen->screen.get_vendor = r600_get_vendor;
 728         rscreen->screen.get_param = r600_get_param;
 729         rscreen->screen.get_shader_param = r600_get_shader_param;
 730         rscreen->screen.get_paramf = r600_get_paramf;
 731         rscreen->screen.get_video_param = r600_get_video_param;
 732         if (r600_get_family_class(radeon) >= EVERGREEN) {
 733                 rscreen->screen.is_format_supported = evergreen_is_format_supported;
 734         } else {
 735                 rscreen->screen.is_format_supported = r600_is_format_supported;
 736         }
 737         rscreen->screen.is_video_format_supported = vl_video_buffer_is_format_supported;
 738         rscreen->screen.context_create = r600_create_context;
 739         rscreen->screen.fence_reference = r600_fence_reference;
 740         rscreen->screen.fence_signalled = r600_fence_signalled;
 741         rscreen->screen.fence_finish = r600_fence_finish;
 742         r600_init_screen_resource_functions(&rscreen->screen);
 743
 744         util_format_s3tc_init();
 745
 746         util_slab_create(&rscreen->pool_buffers,
 747                          sizeof(struct r600_resource), 64,
 748                          UTIL_SLAB_SINGLETHREADED);
 749
 750         pipe_mutex_init(rscreen->mutex_num_contexts);
 751
 752         return &rscreen->screen;
 753 }