src/gallium/drivers/v3d/v3d_screen.c

   1 /*
   2  * Copyright © 2014-2017 Broadcom
   3  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22  * IN THE SOFTWARE.
  23  */
  24
  25 #include "util/os_misc.h"
  26 #include "pipe/p_defines.h"
  27 #include "pipe/p_screen.h"
  28 #include "pipe/p_state.h"
  29
  30 #include "util/u_debug.h"
  31 #include "util/u_memory.h"
  32 #include "util/u_format.h"
  33 #include "util/u_hash_table.h"
  34 #include "util/u_screen.h"
  35 #include "util/u_transfer_helper.h"
  36 #include "util/ralloc.h"
  37
  38 #include <xf86drm.h>
  39 #include "v3d_screen.h"
  40 #include "v3d_context.h"
  41 #include "v3d_resource.h"
  42 #include "compiler/v3d_compiler.h"
  43
  44 static const char *
  45 v3d_screen_get_name(struct pipe_screen *pscreen)
  46 {
  47         struct v3d_screen *screen = v3d_screen(pscreen);
  48
  49         if (!screen->name) {
  50                 screen->name = ralloc_asprintf(screen,
  51                                                "V3D %d.%d",
  52                                                screen->devinfo.ver / 10,
  53                                                screen->devinfo.ver % 10);
  54         }
  55
  56         return screen->name;
  57 }
  58
  59 static const char *
  60 v3d_screen_get_vendor(struct pipe_screen *pscreen)
  61 {
  62         return "Broadcom";
  63 }
  64
  65 static void
  66 v3d_screen_destroy(struct pipe_screen *pscreen)
  67 {
  68         struct v3d_screen *screen = v3d_screen(pscreen);
  69
  70         util_hash_table_destroy(screen->bo_handles);
  71         v3d_bufmgr_destroy(pscreen);
  72         slab_destroy_parent(&screen->transfer_pool);
  73
  74         if (using_v3d_simulator)
  75                 v3d_simulator_destroy(screen);
  76
  77         v3d_compiler_free(screen->compiler);
  78         u_transfer_helper_destroy(pscreen->transfer_helper);
  79
  80         close(screen->fd);
  81         ralloc_free(pscreen);
  82 }
  83
  84 static bool
  85 v3d_has_feature(struct v3d_screen *screen, enum drm_v3d_param feature)
  86 {
  87         struct drm_v3d_get_param p = {
  88                 .param = feature,
  89         };
  90         int ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &p);
  91
  92         if (ret != 0)
  93                 return false;
  94
  95         return p.value;
  96 }
  97
  98 static int
  99 v3d_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 100 {
 101         struct v3d_screen *screen = v3d_screen(pscreen);
 102
 103         switch (param) {
 104                 /* Supported features (boolean caps). */
 105         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 106         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 107         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 108         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 109         case PIPE_CAP_NPOT_TEXTURES:
 110         case PIPE_CAP_SHAREABLE_SHADERS:
 111         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 112         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 113         case PIPE_CAP_TEXTURE_SWIZZLE:
 114         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 115         case PIPE_CAP_START_INSTANCE:
 116         case PIPE_CAP_TGSI_INSTANCEID:
 117         case PIPE_CAP_SM3:
 118         case PIPE_CAP_TEXTURE_QUERY_LOD:
 119         case PIPE_CAP_PRIMITIVE_RESTART:
 120         case PIPE_CAP_OCCLUSION_QUERY:
 121         case PIPE_CAP_POINT_SPRITE:
 122         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 123         case PIPE_CAP_COMPUTE:
 124         case PIPE_CAP_DRAW_INDIRECT:
 125         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 126         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 127         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 128         case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 129         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 130         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 131         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 132                 return 1;
 133
 134         case PIPE_CAP_GENERATE_MIPMAP:
 135                 return v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_TFU);
 136
 137         case PIPE_CAP_INDEP_BLEND_ENABLE:
 138                 return screen->devinfo.ver >= 40;
 139
 140         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 141                 return 256;
 142
 143         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 144                 if (screen->devinfo.ver < 40)
 145                         return 0;
 146                 return 4;
 147
 148         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 149                 return 4;
 150
 151         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 152                 return 330;
 153
 154         case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 155                 return 140;
 156
 157         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 158                 return 1;
 159         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 160                 return 0;
 161         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 162                 if (screen->devinfo.ver >= 40)
 163                         return 0;
 164                 else
 165                         return 1;
 166         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 167                 if (screen->devinfo.ver >= 40)
 168                         return 1;
 169                 else
 170                         return 0;
 171
 172         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 173         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 174         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 175                 return 1;
 176
 177         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 178                 return 4;
 179
 180                 /* Texturing. */
 181         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 182         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 183         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 184                 return V3D_MAX_MIP_LEVELS;
 185         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 186                 return 2048;
 187
 188                 /* Render targets. */
 189         case PIPE_CAP_MAX_RENDER_TARGETS:
 190                 return 4;
 191
 192         case PIPE_CAP_VENDOR_ID:
 193                 return 0x14E4;
 194         case PIPE_CAP_ACCELERATED:
 195                 return 1;
 196         case PIPE_CAP_VIDEO_MEMORY: {
 197                 uint64_t system_memory;
 198
 199                 if (!os_get_total_physical_memory(&system_memory))
 200                         return 0;
 201
 202                 return (int)(system_memory >> 20);
 203         }
 204         case PIPE_CAP_UMA:
 205                 return 1;
 206
 207         default:
 208                 return u_pipe_screen_get_param_defaults(pscreen, param);
 209         }
 210 }
 211
 212 static float
 213 v3d_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 214 {
 215         switch (param) {
 216         case PIPE_CAPF_MAX_LINE_WIDTH:
 217         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 218                 return 32;
 219
 220         case PIPE_CAPF_MAX_POINT_WIDTH:
 221         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 222                 return 512.0f;
 223
 224         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 225                 return 0.0f;
 226         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 227                 return 16.0f;
 228
 229         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 230         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 231         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 232                 return 0.0f;
 233         default:
 234                 fprintf(stderr, "unknown paramf %d\n", param);
 235                 return 0;
 236         }
 237 }
 238
 239 static int
 240 v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 241                            enum pipe_shader_cap param)
 242 {
 243         struct v3d_screen *screen = v3d_screen(pscreen);
 244
 245         if (shader != PIPE_SHADER_VERTEX &&
 246             shader != PIPE_SHADER_FRAGMENT) {
 247                 return 0;
 248         }
 249
 250         /* this is probably not totally correct.. but it's a start: */
 251         switch (param) {
 252         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 253         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 254         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 255         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 256                 return 16384;
 257
 258         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 259                 return UINT_MAX;
 260
 261         case PIPE_SHADER_CAP_MAX_INPUTS:
 262                 if (shader == PIPE_SHADER_FRAGMENT)
 263                         return V3D_MAX_FS_INPUTS / 4;
 264                 else
 265                         return V3D_MAX_VS_INPUTS / 4;
 266         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 267                 if (shader == PIPE_SHADER_FRAGMENT)
 268                         return 4;
 269                 else
 270                         return V3D_MAX_FS_INPUTS / 4;
 271         case PIPE_SHADER_CAP_MAX_TEMPS:
 272                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 273         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 274                 return 16 * 1024 * sizeof(float);
 275         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 276                 return 16;
 277         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 278                 return 0;
 279         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 280         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 281         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 282                 return 0;
 283         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 284                 return 1;
 285         case PIPE_SHADER_CAP_SUBROUTINES:
 286                 return 0;
 287         case PIPE_SHADER_CAP_INTEGERS:
 288                 return 1;
 289         case PIPE_SHADER_CAP_FP16:
 290         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 291         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 292         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 293         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 294         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 295         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 296         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 297         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 298                 return 0;
 299         case PIPE_SHADER_CAP_SCALAR_ISA:
 300                 return 1;
 301         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 302         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 303                 return V3D_MAX_TEXTURE_SAMPLERS;
 304
 305         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 306                 return PIPE_MAX_SHADER_BUFFERS;
 307
 308         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 309                 if (screen->devinfo.ver < 41)
 310                         return 0;
 311                 else
 312                         return PIPE_MAX_SHADER_IMAGES;
 313
 314         case PIPE_SHADER_CAP_PREFERRED_IR:
 315                 return PIPE_SHADER_IR_NIR;
 316         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 317                 return 0;
 318         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 319                 return 32;
 320         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 321         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 322                 return 0;
 323         default:
 324                 fprintf(stderr, "unknown shader param %d\n", param);
 325                 return 0;
 326         }
 327         return 0;
 328 }
 329
 330 static boolean
 331 v3d_screen_is_format_supported(struct pipe_screen *pscreen,
 332                                enum pipe_format format,
 333                                enum pipe_texture_target target,
 334                                unsigned sample_count,
 335                                unsigned storage_sample_count,
 336                                unsigned usage)
 337 {
 338         struct v3d_screen *screen = v3d_screen(pscreen);
 339
 340         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 341                 return false;
 342
 343         if (sample_count > 1 && sample_count != V3D_MAX_SAMPLES)
 344                 return FALSE;
 345
 346         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 347                 return FALSE;
 348         }
 349
 350         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 351                 switch (format) {
 352                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 353                 case PIPE_FORMAT_R32G32B32_FLOAT:
 354                 case PIPE_FORMAT_R32G32_FLOAT:
 355                 case PIPE_FORMAT_R32_FLOAT:
 356                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 357                 case PIPE_FORMAT_R32G32B32_SNORM:
 358                 case PIPE_FORMAT_R32G32_SNORM:
 359                 case PIPE_FORMAT_R32_SNORM:
 360                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 361                 case PIPE_FORMAT_R32G32B32_SSCALED:
 362                 case PIPE_FORMAT_R32G32_SSCALED:
 363                 case PIPE_FORMAT_R32_SSCALED:
 364                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 365                 case PIPE_FORMAT_R16G16B16_UNORM:
 366                 case PIPE_FORMAT_R16G16_UNORM:
 367                 case PIPE_FORMAT_R16_UNORM:
 368                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 369                 case PIPE_FORMAT_R16G16B16_SNORM:
 370                 case PIPE_FORMAT_R16G16_SNORM:
 371                 case PIPE_FORMAT_R16_SNORM:
 372                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 373                 case PIPE_FORMAT_R16G16B16_USCALED:
 374                 case PIPE_FORMAT_R16G16_USCALED:
 375                 case PIPE_FORMAT_R16_USCALED:
 376                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 377                 case PIPE_FORMAT_R16G16B16_SSCALED:
 378                 case PIPE_FORMAT_R16G16_SSCALED:
 379                 case PIPE_FORMAT_R16_SSCALED:
 380                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 381                 case PIPE_FORMAT_R8G8B8_UNORM:
 382                 case PIPE_FORMAT_R8G8_UNORM:
 383                 case PIPE_FORMAT_R8_UNORM:
 384                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 385                 case PIPE_FORMAT_R8G8B8_SNORM:
 386                 case PIPE_FORMAT_R8G8_SNORM:
 387                 case PIPE_FORMAT_R8_SNORM:
 388                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 389                 case PIPE_FORMAT_R8G8B8_USCALED:
 390                 case PIPE_FORMAT_R8G8_USCALED:
 391                 case PIPE_FORMAT_R8_USCALED:
 392                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 393                 case PIPE_FORMAT_R8G8B8_SSCALED:
 394                 case PIPE_FORMAT_R8G8_SSCALED:
 395                 case PIPE_FORMAT_R8_SSCALED:
 396                 case PIPE_FORMAT_R10G10B10A2_UNORM:
 397                 case PIPE_FORMAT_B10G10R10A2_UNORM:
 398                 case PIPE_FORMAT_R10G10B10A2_SNORM:
 399                 case PIPE_FORMAT_B10G10R10A2_SNORM:
 400                 case PIPE_FORMAT_R10G10B10A2_USCALED:
 401                 case PIPE_FORMAT_B10G10R10A2_USCALED:
 402                 case PIPE_FORMAT_R10G10B10A2_SSCALED:
 403                 case PIPE_FORMAT_B10G10R10A2_SSCALED:
 404                         break;
 405                 default:
 406                         return FALSE;
 407                 }
 408         }
 409
 410         /* FORMAT_NONE gets allowed for ARB_framebuffer_no_attachments's probe
 411          * of FRAMEBUFFER_MAX_SAMPLES
 412          */
 413         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 414             format != PIPE_FORMAT_NONE &&
 415             !v3d_rt_format_supported(&screen->devinfo, format)) {
 416                 return FALSE;
 417         }
 418
 419         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 420             !v3d_tex_format_supported(&screen->devinfo, format)) {
 421                 return FALSE;
 422         }
 423
 424         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 425             !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 426               format == PIPE_FORMAT_X8Z24_UNORM ||
 427               format == PIPE_FORMAT_Z16_UNORM ||
 428               format == PIPE_FORMAT_Z32_FLOAT ||
 429               format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 430                 return FALSE;
 431         }
 432
 433         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 434             !(format == PIPE_FORMAT_I8_UINT ||
 435               format == PIPE_FORMAT_I16_UINT ||
 436               format == PIPE_FORMAT_I32_UINT)) {
 437                 return FALSE;
 438         }
 439
 440         return TRUE;
 441 }
 442
 443 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
 444
 445 static unsigned handle_hash(void *key)
 446 {
 447     return PTR_TO_UINT(key);
 448 }
 449
 450 static int handle_compare(void *key1, void *key2)
 451 {
 452     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 453 }
 454
 455 static bool
 456 v3d_get_device_info(struct v3d_screen *screen)
 457 {
 458         struct drm_v3d_get_param ident0 = {
 459                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT0,
 460         };
 461         struct drm_v3d_get_param ident1 = {
 462                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT1,
 463         };
 464         int ret;
 465
 466         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident0);
 467         if (ret != 0) {
 468                 fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
 469                         strerror(errno));
 470                 return false;
 471         }
 472         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident1);
 473         if (ret != 0) {
 474                 fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
 475                         strerror(errno));
 476                 return false;
 477         }
 478
 479         uint32_t major = (ident0.value >> 24) & 0xff;
 480         uint32_t minor = (ident1.value >> 0) & 0xf;
 481         screen->devinfo.ver = major * 10 + minor;
 482
 483         screen->devinfo.vpm_size = (ident1.value >> 28 & 0xf) * 8192;
 484
 485         switch (screen->devinfo.ver) {
 486         case 33:
 487         case 41:
 488         case 42:
 489                 break;
 490         default:
 491                 fprintf(stderr,
 492                         "V3D %d.%d not supported by this version of Mesa.\n",
 493                         screen->devinfo.ver / 10,
 494                         screen->devinfo.ver % 10);
 495                 return false;
 496         }
 497
 498         return true;
 499 }
 500
 501 static const void *
 502 v3d_screen_get_compiler_options(struct pipe_screen *pscreen,
 503                                 enum pipe_shader_ir ir, unsigned shader)
 504 {
 505         return &v3d_nir_options;
 506 }
 507
 508 struct pipe_screen *
 509 v3d_screen_create(int fd, struct renderonly *ro)
 510 {
 511         struct v3d_screen *screen = rzalloc(NULL, struct v3d_screen);
 512         struct pipe_screen *pscreen;
 513
 514         pscreen = &screen->base;
 515
 516         pscreen->destroy = v3d_screen_destroy;
 517         pscreen->get_param = v3d_screen_get_param;
 518         pscreen->get_paramf = v3d_screen_get_paramf;
 519         pscreen->get_shader_param = v3d_screen_get_shader_param;
 520         pscreen->context_create = v3d_context_create;
 521         pscreen->is_format_supported = v3d_screen_is_format_supported;
 522
 523         screen->fd = fd;
 524         if (ro) {
 525                 screen->ro = renderonly_dup(ro);
 526                 if (!screen->ro) {
 527                         fprintf(stderr, "Failed to dup renderonly object\n");
 528                         ralloc_free(screen);
 529                         return NULL;
 530                 }
 531         }
 532         list_inithead(&screen->bo_cache.time_list);
 533         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 534         screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 535
 536 #if defined(USE_V3D_SIMULATOR)
 537         v3d_simulator_init(screen);
 538 #endif
 539
 540         if (!v3d_get_device_info(screen))
 541                 goto fail;
 542
 543         slab_create_parent(&screen->transfer_pool, sizeof(struct v3d_transfer), 16);
 544
 545         v3d_fence_init(screen);
 546
 547         v3d_process_debug_variable();
 548
 549         v3d_resource_screen_init(pscreen);
 550
 551         screen->compiler = v3d_compiler_init(&screen->devinfo);
 552
 553         pscreen->get_name = v3d_screen_get_name;
 554         pscreen->get_vendor = v3d_screen_get_vendor;
 555         pscreen->get_device_vendor = v3d_screen_get_vendor;
 556         pscreen->get_compiler_options = v3d_screen_get_compiler_options;
 557
 558         return pscreen;
 559
 560 fail:
 561         close(fd);
 562         ralloc_free(pscreen);
 563         return NULL;
 564 }