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_s3tc.h>
  34 #include <util/u_transfer.h>
  35 #include <util/u_surface.h>
  36 #include <util/u_pack_color.h>
  37 #include <util/u_memory.h>
  38 #include <util/u_inlines.h>
  39 #include "util/u_upload_mgr.h"
  40 #include <pipebuffer/pb_buffer.h>
  41 #include "r600.h"
  42 #include "r600d.h"
  43 #include "r600_resource.h"
  44 #include "r600_shader.h"
  45 #include "r600_pipe.h"
  46 #include "r600_state_inlines.h"
  47 #include "r600_video_context.h"
  48
  49 /*
  50  * pipe_context
  51  */
  52 static void r600_flush(struct pipe_context *ctx,
  53                         struct pipe_fence_handle **fence)
  54 {
  55         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  56 #if 0
  57         static int dc = 0;
  58         char dname[256];
  59 #endif
  60
  61         if (!rctx->ctx.pm4_cdwords)
  62                 return;
  63
  64 #if 0
  65         sprintf(dname, "gallium-%08d.bof", dc);
  66         if (dc < 20) {
  67                 r600_context_dump_bof(&rctx->ctx, dname);
  68                 R600_ERR("dumped %s\n", dname);
  69         }
  70         dc++;
  71 #endif
  72         r600_context_flush(&rctx->ctx);
  73
  74         /* XXX This shouldn't be really necessary, but removing it breaks some tests.
  75          * Needless buffer reallocations may significantly increase memory consumption,
  76          * so getting rid of this call is important. */
  77         u_upload_flush(rctx->vbuf_mgr->uploader);
  78 }
  79
  80 static void r600_update_num_contexts(struct r600_screen *rscreen, int diff)
  81 {
  82         pipe_mutex_lock(rscreen->mutex_num_contexts);
  83         if (diff > 0) {
  84                 rscreen->num_contexts++;
  85
  86                 if (rscreen->num_contexts > 1)
  87                         util_slab_set_thread_safety(&rscreen->pool_buffers,
  88                                                     UTIL_SLAB_MULTITHREADED);
  89         } else {
  90                 rscreen->num_contexts--;
  91
  92                 if (rscreen->num_contexts <= 1)
  93                         util_slab_set_thread_safety(&rscreen->pool_buffers,
  94                                                     UTIL_SLAB_SINGLETHREADED);
  95         }
  96         pipe_mutex_unlock(rscreen->mutex_num_contexts);
  97 }
  98
  99 static void r600_destroy_context(struct pipe_context *context)
 100 {
 101         struct r600_pipe_context *rctx = (struct r600_pipe_context *)context;
 102
 103         rctx->context.delete_depth_stencil_alpha_state(&rctx->context, rctx->custom_dsa_flush);
 104
 105         r600_context_fini(&rctx->ctx);
 106
 107         util_blitter_destroy(rctx->blitter);
 108
 109         for (int i = 0; i < R600_PIPE_NSTATES; i++) {
 110                 free(rctx->states[i]);
 111         }
 112
 113         u_vbuf_mgr_destroy(rctx->vbuf_mgr);
 114         util_slab_destroy(&rctx->pool_transfers);
 115
 116         r600_update_num_contexts(rctx->screen, -1);
 117
 118         FREE(rctx);
 119 }
 120
 121 static struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv)
 122 {
 123         struct r600_pipe_context *rctx = CALLOC_STRUCT(r600_pipe_context);
 124         struct r600_screen* rscreen = (struct r600_screen *)screen;
 125         enum chip_class class;
 126
 127         if (rctx == NULL)
 128                 return NULL;
 129
 130         r600_update_num_contexts(rscreen, 1);
 131
 132         rctx->context.winsys = rscreen->screen.winsys;
 133         rctx->context.screen = screen;
 134         rctx->context.priv = priv;
 135         rctx->context.destroy = r600_destroy_context;
 136         rctx->context.flush = r600_flush;
 137
 138         /* Easy accessing of screen/winsys. */
 139         rctx->screen = rscreen;
 140         rctx->radeon = rscreen->radeon;
 141         rctx->family = r600_get_family(rctx->radeon);
 142
 143         r600_init_blit_functions(rctx);
 144         r600_init_query_functions(rctx);
 145         r600_init_context_resource_functions(rctx);
 146         r600_init_surface_functions(rctx);
 147         rctx->context.draw_vbo = r600_draw_vbo;
 148
 149         switch (r600_get_family(rctx->radeon)) {
 150         case CHIP_R600:
 151         case CHIP_RV610:
 152         case CHIP_RV630:
 153         case CHIP_RV670:
 154         case CHIP_RV620:
 155         case CHIP_RV635:
 156         case CHIP_RS780:
 157         case CHIP_RS880:
 158         case CHIP_RV770:
 159         case CHIP_RV730:
 160         case CHIP_RV710:
 161         case CHIP_RV740:
 162                 r600_init_state_functions(rctx);
 163                 if (r600_context_init(&rctx->ctx, rctx->radeon)) {
 164                         r600_destroy_context(&rctx->context);
 165                         return NULL;
 166                 }
 167                 r600_init_config(rctx);
 168                 break;
 169         case CHIP_CEDAR:
 170         case CHIP_REDWOOD:
 171         case CHIP_JUNIPER:
 172         case CHIP_CYPRESS:
 173         case CHIP_HEMLOCK:
 174         case CHIP_PALM:
 175         case CHIP_BARTS:
 176         case CHIP_TURKS:
 177         case CHIP_CAICOS:
 178                 evergreen_init_state_functions(rctx);
 179                 if (evergreen_context_init(&rctx->ctx, rctx->radeon)) {
 180                         r600_destroy_context(&rctx->context);
 181                         return NULL;
 182                 }
 183                 evergreen_init_config(rctx);
 184                 break;
 185         default:
 186                 R600_ERR("unsupported family %d\n", r600_get_family(rctx->radeon));
 187                 r600_destroy_context(&rctx->context);
 188                 return NULL;
 189         }
 190
 191         util_slab_create(&rctx->pool_transfers,
 192                          sizeof(struct pipe_transfer), 64,
 193                          UTIL_SLAB_SINGLETHREADED);
 194
 195         rctx->vbuf_mgr = u_vbuf_mgr_create(&rctx->context, 1024 * 1024, 256,
 196                                            PIPE_BIND_VERTEX_BUFFER |
 197                                            PIPE_BIND_INDEX_BUFFER |
 198                                            PIPE_BIND_CONSTANT_BUFFER,
 199                                            U_VERTEX_FETCH_DWORD_ALIGNED);
 200         if (!rctx->vbuf_mgr) {
 201                 r600_destroy_context(&rctx->context);
 202                 return NULL;
 203         }
 204
 205         rctx->blitter = util_blitter_create(&rctx->context);
 206         if (rctx->blitter == NULL) {
 207                 r600_destroy_context(&rctx->context);
 208                 return NULL;
 209         }
 210
 211         class = r600_get_family_class(rctx->radeon);
 212         if (class == R600 || class == R700)
 213                 rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
 214         else
 215                 rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
 216
 217         return &rctx->context;
 218 }
 219
 220 /*
 221  * pipe_screen
 222  */
 223 static const char* r600_get_vendor(struct pipe_screen* pscreen)
 224 {
 225         return "X.Org";
 226 }
 227
 228 static const char *r600_get_family_name(enum radeon_family family)
 229 {
 230         switch(family) {
 231         case CHIP_R600: return "AMD R600";
 232         case CHIP_RV610: return "AMD RV610";
 233         case CHIP_RV630: return "AMD RV630";
 234         case CHIP_RV670: return "AMD RV670";
 235         case CHIP_RV620: return "AMD RV620";
 236         case CHIP_RV635: return "AMD RV635";
 237         case CHIP_RS780: return "AMD RS780";
 238         case CHIP_RS880: return "AMD RS880";
 239         case CHIP_RV770: return "AMD RV770";
 240         case CHIP_RV730: return "AMD RV730";
 241         case CHIP_RV710: return "AMD RV710";
 242         case CHIP_RV740: return "AMD RV740";
 243         case CHIP_CEDAR: return "AMD CEDAR";
 244         case CHIP_REDWOOD: return "AMD REDWOOD";
 245         case CHIP_JUNIPER: return "AMD JUNIPER";
 246         case CHIP_CYPRESS: return "AMD CYPRESS";
 247         case CHIP_HEMLOCK: return "AMD HEMLOCK";
 248         case CHIP_PALM: return "AMD PALM";
 249         case CHIP_BARTS: return "AMD BARTS";
 250         case CHIP_TURKS: return "AMD TURKS";
 251         case CHIP_CAICOS: return "AMD CAICOS";
 252         default: return "AMD unknown";
 253         }
 254 }
 255
 256 static const char* r600_get_name(struct pipe_screen* pscreen)
 257 {
 258         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 259         enum radeon_family family = r600_get_family(rscreen->radeon);
 260
 261         return r600_get_family_name(family);
 262 }
 263
 264 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 265 {
 266         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 267         enum radeon_family family = r600_get_family(rscreen->radeon);
 268
 269         switch (param) {
 270         /* Supported features (boolean caps). */
 271         case PIPE_CAP_NPOT_TEXTURES:
 272         case PIPE_CAP_TWO_SIDED_STENCIL:
 273         case PIPE_CAP_GLSL:
 274         case PIPE_CAP_DUAL_SOURCE_BLEND:
 275         case PIPE_CAP_ANISOTROPIC_FILTER:
 276         case PIPE_CAP_POINT_SPRITE:
 277         case PIPE_CAP_OCCLUSION_QUERY:
 278         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 279         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 280         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 281         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 282         case PIPE_CAP_SM3:
 283         case PIPE_CAP_TEXTURE_SWIZZLE:
 284         case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
 285         case PIPE_CAP_DEPTH_CLAMP:
 286         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 287         case PIPE_CAP_TGSI_INSTANCEID:
 288         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 289                 return 1;
 290         case PIPE_CAP_INDEP_BLEND_ENABLE:
 291                 /* R600 doesn't support per-MRT blends */
 292                 if (family == CHIP_R600)
 293                         return 0;
 294                 else
 295                         return 1;
 296
 297         /* Unsupported features (boolean caps). */
 298         case PIPE_CAP_STREAM_OUTPUT:
 299         case PIPE_CAP_PRIMITIVE_RESTART:
 300         case PIPE_CAP_INDEP_BLEND_FUNC: /* FIXME allow this */
 301                 /* R600 doesn't support per-MRT blends */
 302                 if (family == CHIP_R600)
 303                         return 0;
 304                 else
 305                         return 0;
 306
 307         case PIPE_CAP_ARRAY_TEXTURES:
 308                 /* fix once the CS checker upstream is fixed */
 309                 return debug_get_bool_option("R600_ARRAY_TEXTURE", FALSE);
 310
 311         /* Texturing. */
 312         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 313         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 314         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 315                 if (family >= CHIP_CEDAR)
 316                         return 15;
 317                 else
 318                         return 14;
 319         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 320                 /* FIXME allow this once infrastructure is there */
 321                 return 16;
 322         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 323         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 324                 return 16;
 325
 326         /* Render targets. */
 327         case PIPE_CAP_MAX_RENDER_TARGETS:
 328                 /* FIXME some r6xx are buggy and can only do 4 */
 329                 return 8;
 330
 331         /* Fragment coordinate conventions. */
 332         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 333         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 334                 return 1;
 335         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 336         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 337                 return 0;
 338
 339         /* Timer queries, present when the clock frequency is non zero. */
 340         case PIPE_CAP_TIMER_QUERY:
 341                 return r600_get_clock_crystal_freq(rscreen->radeon) != 0;
 342
 343         default:
 344                 R600_ERR("r600: unknown param %d\n", param);
 345                 return 0;
 346         }
 347 }
 348
 349 static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 350 {
 351         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 352         enum radeon_family family = r600_get_family(rscreen->radeon);
 353
 354         switch (param) {
 355         case PIPE_CAP_MAX_LINE_WIDTH:
 356         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 357         case PIPE_CAP_MAX_POINT_WIDTH:
 358         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 359                 if (family >= CHIP_CEDAR)
 360                         return 16384.0f;
 361                 else
 362                         return 8192.0f;
 363         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 364                 return 16.0f;
 365         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 366                 return 16.0f;
 367         default:
 368                 R600_ERR("r600: unsupported paramf %d\n", param);
 369                 return 0.0f;
 370         }
 371 }
 372
 373 static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
 374 {
 375         switch(shader)
 376         {
 377         case PIPE_SHADER_FRAGMENT:
 378         case PIPE_SHADER_VERTEX:
 379                 break;
 380         case PIPE_SHADER_GEOMETRY:
 381                 /* TODO: support and enable geometry programs */
 382                 return 0;
 383         default:
 384                 /* TODO: support tessellation on Evergreen */
 385                 return 0;
 386         }
 387
 388         /* TODO: all these should be fixed, since r600 surely supports much more! */
 389         switch (param) {
 390         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 391         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 392         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 393         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 394                 return 16384;
 395         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 396                 return 8; /* FIXME */
 397         case PIPE_SHADER_CAP_MAX_INPUTS:
 398                 if(shader == PIPE_SHADER_FRAGMENT)
 399                         return 10;
 400                 else
 401                         return 16;
 402         case PIPE_SHADER_CAP_MAX_TEMPS:
 403                 return 256; //max native temporaries
 404         case PIPE_SHADER_CAP_MAX_ADDRS:
 405                 return 1; //max native address registers/* FIXME Isn't this equal to TEMPS? */
 406         case PIPE_SHADER_CAP_MAX_CONSTS:
 407                 return R600_MAX_CONST_BUFFER_SIZE;
 408         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 409                 return R600_MAX_CONST_BUFFERS;
 410         case PIPE_SHADER_CAP_MAX_PREDS:
 411                 return 0; /* FIXME */
 412         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 413                 return 1;
 414         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 415         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 416         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 417         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 418                 return 1;
 419         case PIPE_SHADER_CAP_SUBROUTINES:
 420                 return 0;
 421         default:
 422                 return 0;
 423         }
 424 }
 425
 426 static boolean r600_is_format_supported(struct pipe_screen* screen,
 427                                         enum pipe_format format,
 428                                         enum pipe_texture_target target,
 429                                         unsigned sample_count,
 430                                         unsigned usage)
 431 {
 432         unsigned retval = 0;
 433         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 434                 R600_ERR("r600: unsupported texture type %d\n", target);
 435                 return FALSE;
 436         }
 437
 438         /* Multisample */
 439         if (sample_count > 1)
 440                 return FALSE;
 441
 442         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 443             r600_is_sampler_format_supported(screen, format)) {
 444                 retval |= PIPE_BIND_SAMPLER_VIEW;
 445         }
 446
 447         if ((usage & (PIPE_BIND_RENDER_TARGET |
 448                         PIPE_BIND_DISPLAY_TARGET |
 449                         PIPE_BIND_SCANOUT |
 450                         PIPE_BIND_SHARED)) &&
 451                         r600_is_colorbuffer_format_supported(format)) {
 452                 retval |= usage &
 453                         (PIPE_BIND_RENDER_TARGET |
 454                          PIPE_BIND_DISPLAY_TARGET |
 455                          PIPE_BIND_SCANOUT |
 456                          PIPE_BIND_SHARED);
 457         }
 458
 459         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 460             r600_is_zs_format_supported(format)) {
 461                 retval |= PIPE_BIND_DEPTH_STENCIL;
 462         }
 463
 464         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 465                 struct r600_screen *rscreen = (struct r600_screen *)screen;
 466                 enum radeon_family family = r600_get_family(rscreen->radeon);
 467
 468                 if (r600_is_vertex_format_supported(format, family)) {
 469                         retval |= PIPE_BIND_VERTEX_BUFFER;
 470                 }
 471         }
 472
 473         if (usage & PIPE_BIND_TRANSFER_READ)
 474                 retval |= PIPE_BIND_TRANSFER_READ;
 475         if (usage & PIPE_BIND_TRANSFER_WRITE)
 476                 retval |= PIPE_BIND_TRANSFER_WRITE;
 477
 478         return retval == usage;
 479 }
 480
 481 static void r600_destroy_screen(struct pipe_screen* pscreen)
 482 {
 483         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 484
 485         if (rscreen == NULL)
 486                 return;
 487
 488         radeon_decref(rscreen->radeon);
 489
 490         util_slab_destroy(&rscreen->pool_buffers);
 491         pipe_mutex_destroy(rscreen->mutex_num_contexts);
 492         FREE(rscreen);
 493 }
 494
 495
 496 struct pipe_screen *r600_screen_create(struct radeon *radeon)
 497 {
 498         struct r600_screen *rscreen;
 499
 500         rscreen = CALLOC_STRUCT(r600_screen);
 501         if (rscreen == NULL) {
 502                 return NULL;
 503         }
 504
 505         rscreen->radeon = radeon;
 506         rscreen->screen.winsys = (struct pipe_winsys*)radeon;
 507         rscreen->screen.destroy = r600_destroy_screen;
 508         rscreen->screen.get_name = r600_get_name;
 509         rscreen->screen.get_vendor = r600_get_vendor;
 510         rscreen->screen.get_param = r600_get_param;
 511         rscreen->screen.get_shader_param = r600_get_shader_param;
 512         rscreen->screen.get_paramf = r600_get_paramf;
 513         rscreen->screen.is_format_supported = r600_is_format_supported;
 514         rscreen->screen.context_create = r600_create_context;
 515         rscreen->screen.video_context_create = r600_video_create;
 516         r600_init_screen_resource_functions(&rscreen->screen);
 517
 518         rscreen->tiling_info = r600_get_tiling_info(radeon);
 519         util_format_s3tc_init();
 520
 521         util_slab_create(&rscreen->pool_buffers,
 522                          sizeof(struct r600_resource_buffer), 64,
 523                          UTIL_SLAB_SINGLETHREADED);
 524
 525         pipe_mutex_init(rscreen->mutex_num_contexts);
 526
 527         return &rscreen->screen;
 528 }