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                 return 1;
 132
 133         case PIPE_CAP_GENERATE_MIPMAP:
 134                 return v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_TFU);
 135
 136         case PIPE_CAP_INDEP_BLEND_ENABLE:
 137                 return screen->devinfo.ver >= 40;
 138
 139         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 140                 return 256;
 141
 142         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 143                 return 4;
 144
 145         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 146                 return 400;
 147
 148         case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 149                 return 140;
 150
 151         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 152                 return 1;
 153         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 154                 return 0;
 155         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 156                 if (screen->devinfo.ver >= 40)
 157                         return 0;
 158                 else
 159                         return 1;
 160         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 161                 if (screen->devinfo.ver >= 40)
 162                         return 1;
 163                 else
 164                         return 0;
 165
 166         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 167         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 168         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 169                 return 1;
 170
 171         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 172                 return 4;
 173
 174                 /* Texturing. */
 175         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 176         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 177         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 178                 return VC5_MAX_MIP_LEVELS;
 179         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 180                 return 2048;
 181
 182                 /* Render targets. */
 183         case PIPE_CAP_MAX_RENDER_TARGETS:
 184                 return 4;
 185
 186         case PIPE_CAP_VENDOR_ID:
 187                 return 0x14E4;
 188         case PIPE_CAP_ACCELERATED:
 189                 return 1;
 190         case PIPE_CAP_VIDEO_MEMORY: {
 191                 uint64_t system_memory;
 192
 193                 if (!os_get_total_physical_memory(&system_memory))
 194                         return 0;
 195
 196                 return (int)(system_memory >> 20);
 197         }
 198         case PIPE_CAP_UMA:
 199                 return 1;
 200
 201         default:
 202                 return u_pipe_screen_get_param_defaults(pscreen, param);
 203         }
 204 }
 205
 206 static float
 207 v3d_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 208 {
 209         switch (param) {
 210         case PIPE_CAPF_MAX_LINE_WIDTH:
 211         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 212                 return 32;
 213
 214         case PIPE_CAPF_MAX_POINT_WIDTH:
 215         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 216                 return 512.0f;
 217
 218         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 219                 return 0.0f;
 220         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 221                 return 16.0f;
 222
 223         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 224         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 225         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 226                 return 0.0f;
 227         default:
 228                 fprintf(stderr, "unknown paramf %d\n", param);
 229                 return 0;
 230         }
 231 }
 232
 233 static int
 234 v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 235                            enum pipe_shader_cap param)
 236 {
 237         if (shader != PIPE_SHADER_VERTEX &&
 238             shader != PIPE_SHADER_FRAGMENT) {
 239                 return 0;
 240         }
 241
 242         /* this is probably not totally correct.. but it's a start: */
 243         switch (param) {
 244         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 245         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 246         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 247         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 248                 return 16384;
 249
 250         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 251                 return UINT_MAX;
 252
 253         case PIPE_SHADER_CAP_MAX_INPUTS:
 254                 if (shader == PIPE_SHADER_FRAGMENT)
 255                         return VC5_MAX_FS_INPUTS / 4;
 256                 else
 257                         return VC5_MAX_ATTRIBUTES;
 258         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 259                 if (shader == PIPE_SHADER_FRAGMENT)
 260                         return 4;
 261                 else
 262                         return VC5_MAX_FS_INPUTS / 4;
 263         case PIPE_SHADER_CAP_MAX_TEMPS:
 264                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 265         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 266                 return 16 * 1024 * sizeof(float);
 267         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 268                 return 16;
 269         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 270                 return 0;
 271         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 272         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 273         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 274                 return 0;
 275         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 276                 return 1;
 277         case PIPE_SHADER_CAP_SUBROUTINES:
 278                 return 0;
 279         case PIPE_SHADER_CAP_INTEGERS:
 280                 return 1;
 281         case PIPE_SHADER_CAP_FP16:
 282         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 283         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 284         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 285         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 286         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 287         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 288         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 289         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 290                 return 0;
 291         case PIPE_SHADER_CAP_SCALAR_ISA:
 292                 return 1;
 293         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 294         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 295         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 296         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 297                 return VC5_MAX_TEXTURE_SAMPLERS;
 298         case PIPE_SHADER_CAP_PREFERRED_IR:
 299                 return PIPE_SHADER_IR_NIR;
 300         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 301                 return 0;
 302         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 303                 return 32;
 304         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 305         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 306                 return 0;
 307         default:
 308                 fprintf(stderr, "unknown shader param %d\n", param);
 309                 return 0;
 310         }
 311         return 0;
 312 }
 313
 314 static boolean
 315 v3d_screen_is_format_supported(struct pipe_screen *pscreen,
 316                                enum pipe_format format,
 317                                enum pipe_texture_target target,
 318                                unsigned sample_count,
 319                                unsigned storage_sample_count,
 320                                unsigned usage)
 321 {
 322         struct v3d_screen *screen = v3d_screen(pscreen);
 323
 324         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 325                 return false;
 326
 327         if (sample_count > 1 && sample_count != VC5_MAX_SAMPLES)
 328                 return FALSE;
 329
 330         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 331                 return FALSE;
 332         }
 333
 334         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 335                 switch (format) {
 336                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 337                 case PIPE_FORMAT_R32G32B32_FLOAT:
 338                 case PIPE_FORMAT_R32G32_FLOAT:
 339                 case PIPE_FORMAT_R32_FLOAT:
 340                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 341                 case PIPE_FORMAT_R32G32B32_SNORM:
 342                 case PIPE_FORMAT_R32G32_SNORM:
 343                 case PIPE_FORMAT_R32_SNORM:
 344                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 345                 case PIPE_FORMAT_R32G32B32_SSCALED:
 346                 case PIPE_FORMAT_R32G32_SSCALED:
 347                 case PIPE_FORMAT_R32_SSCALED:
 348                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 349                 case PIPE_FORMAT_R16G16B16_UNORM:
 350                 case PIPE_FORMAT_R16G16_UNORM:
 351                 case PIPE_FORMAT_R16_UNORM:
 352                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 353                 case PIPE_FORMAT_R16G16B16_SNORM:
 354                 case PIPE_FORMAT_R16G16_SNORM:
 355                 case PIPE_FORMAT_R16_SNORM:
 356                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 357                 case PIPE_FORMAT_R16G16B16_USCALED:
 358                 case PIPE_FORMAT_R16G16_USCALED:
 359                 case PIPE_FORMAT_R16_USCALED:
 360                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 361                 case PIPE_FORMAT_R16G16B16_SSCALED:
 362                 case PIPE_FORMAT_R16G16_SSCALED:
 363                 case PIPE_FORMAT_R16_SSCALED:
 364                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 365                 case PIPE_FORMAT_R8G8B8_UNORM:
 366                 case PIPE_FORMAT_R8G8_UNORM:
 367                 case PIPE_FORMAT_R8_UNORM:
 368                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 369                 case PIPE_FORMAT_R8G8B8_SNORM:
 370                 case PIPE_FORMAT_R8G8_SNORM:
 371                 case PIPE_FORMAT_R8_SNORM:
 372                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 373                 case PIPE_FORMAT_R8G8B8_USCALED:
 374                 case PIPE_FORMAT_R8G8_USCALED:
 375                 case PIPE_FORMAT_R8_USCALED:
 376                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 377                 case PIPE_FORMAT_R8G8B8_SSCALED:
 378                 case PIPE_FORMAT_R8G8_SSCALED:
 379                 case PIPE_FORMAT_R8_SSCALED:
 380                 case PIPE_FORMAT_R10G10B10A2_UNORM:
 381                 case PIPE_FORMAT_B10G10R10A2_UNORM:
 382                 case PIPE_FORMAT_R10G10B10A2_SNORM:
 383                 case PIPE_FORMAT_B10G10R10A2_SNORM:
 384                 case PIPE_FORMAT_R10G10B10A2_USCALED:
 385                 case PIPE_FORMAT_B10G10R10A2_USCALED:
 386                 case PIPE_FORMAT_R10G10B10A2_SSCALED:
 387                 case PIPE_FORMAT_B10G10R10A2_SSCALED:
 388                         break;
 389                 default:
 390                         return FALSE;
 391                 }
 392         }
 393
 394         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 395             !v3d_rt_format_supported(&screen->devinfo, format)) {
 396                 return FALSE;
 397         }
 398
 399         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 400             !v3d_tex_format_supported(&screen->devinfo, format)) {
 401                 return FALSE;
 402         }
 403
 404         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 405             !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 406               format == PIPE_FORMAT_X8Z24_UNORM ||
 407               format == PIPE_FORMAT_Z16_UNORM ||
 408               format == PIPE_FORMAT_Z32_FLOAT ||
 409               format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 410                 return FALSE;
 411         }
 412
 413         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 414             !(format == PIPE_FORMAT_I8_UINT ||
 415               format == PIPE_FORMAT_I16_UINT ||
 416               format == PIPE_FORMAT_I32_UINT)) {
 417                 return FALSE;
 418         }
 419
 420         return TRUE;
 421 }
 422
 423 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
 424
 425 static unsigned handle_hash(void *key)
 426 {
 427     return PTR_TO_UINT(key);
 428 }
 429
 430 static int handle_compare(void *key1, void *key2)
 431 {
 432     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 433 }
 434
 435 static bool
 436 v3d_get_device_info(struct v3d_screen *screen)
 437 {
 438         struct drm_v3d_get_param ident0 = {
 439                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT0,
 440         };
 441         struct drm_v3d_get_param ident1 = {
 442                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT1,
 443         };
 444         int ret;
 445
 446         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident0);
 447         if (ret != 0) {
 448                 fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
 449                         strerror(errno));
 450                 return false;
 451         }
 452         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident1);
 453         if (ret != 0) {
 454                 fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
 455                         strerror(errno));
 456                 return false;
 457         }
 458
 459         uint32_t major = (ident0.value >> 24) & 0xff;
 460         uint32_t minor = (ident1.value >> 0) & 0xf;
 461         screen->devinfo.ver = major * 10 + minor;
 462
 463         screen->devinfo.vpm_size = (ident1.value >> 28 & 0xf) * 8192;
 464
 465         switch (screen->devinfo.ver) {
 466         case 33:
 467         case 41:
 468         case 42:
 469                 break;
 470         default:
 471                 fprintf(stderr,
 472                         "V3D %d.%d not supported by this version of Mesa.\n",
 473                         screen->devinfo.ver / 10,
 474                         screen->devinfo.ver % 10);
 475                 return false;
 476         }
 477
 478         return true;
 479 }
 480
 481 static const void *
 482 v3d_screen_get_compiler_options(struct pipe_screen *pscreen,
 483                                 enum pipe_shader_ir ir, unsigned shader)
 484 {
 485         return &v3d_nir_options;
 486 }
 487
 488 struct pipe_screen *
 489 v3d_screen_create(int fd, struct renderonly *ro)
 490 {
 491         struct v3d_screen *screen = rzalloc(NULL, struct v3d_screen);
 492         struct pipe_screen *pscreen;
 493
 494         pscreen = &screen->base;
 495
 496         pscreen->destroy = v3d_screen_destroy;
 497         pscreen->get_param = v3d_screen_get_param;
 498         pscreen->get_paramf = v3d_screen_get_paramf;
 499         pscreen->get_shader_param = v3d_screen_get_shader_param;
 500         pscreen->context_create = v3d_context_create;
 501         pscreen->is_format_supported = v3d_screen_is_format_supported;
 502
 503         screen->fd = fd;
 504         if (ro) {
 505                 screen->ro = renderonly_dup(ro);
 506                 if (!screen->ro) {
 507                         fprintf(stderr, "Failed to dup renderonly object\n");
 508                         ralloc_free(screen);
 509                         return NULL;
 510                 }
 511         }
 512         list_inithead(&screen->bo_cache.time_list);
 513         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 514         screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 515
 516 #if defined(USE_V3D_SIMULATOR)
 517         v3d_simulator_init(screen);
 518 #endif
 519
 520         if (!v3d_get_device_info(screen))
 521                 goto fail;
 522
 523         slab_create_parent(&screen->transfer_pool, sizeof(struct v3d_transfer), 16);
 524
 525         v3d_fence_init(screen);
 526
 527         v3d_process_debug_variable();
 528
 529         v3d_resource_screen_init(pscreen);
 530
 531         screen->compiler = v3d_compiler_init(&screen->devinfo);
 532
 533         pscreen->get_name = v3d_screen_get_name;
 534         pscreen->get_vendor = v3d_screen_get_vendor;
 535         pscreen->get_device_vendor = v3d_screen_get_vendor;
 536         pscreen->get_compiler_options = v3d_screen_get_compiler_options;
 537
 538         return pscreen;
 539
 540 fail:
 541         close(fd);
 542         ralloc_free(pscreen);
 543         return NULL;
 544 }