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_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 126         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 127         case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 128         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 129         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 130                 return 1;
 131
 132         case PIPE_CAP_GENERATE_MIPMAP:
 133                 return v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_TFU);
 134
 135         case PIPE_CAP_INDEP_BLEND_ENABLE:
 136                 return screen->devinfo.ver >= 40;
 137
 138         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 139                 return 256;
 140
 141         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 142                 return 4;
 143
 144         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 145                 return 400;
 146
 147         case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 148                 return 140;
 149
 150         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 151                 return 1;
 152         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 153                 return 0;
 154         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 155                 if (screen->devinfo.ver >= 40)
 156                         return 0;
 157                 else
 158                         return 1;
 159         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 160                 if (screen->devinfo.ver >= 40)
 161                         return 1;
 162                 else
 163                         return 0;
 164
 165         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 166         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 167         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 168                 return 1;
 169
 170         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 171                 return 4;
 172
 173                 /* Texturing. */
 174         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 175         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 176         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 177                 return VC5_MAX_MIP_LEVELS;
 178         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 179                 return 2048;
 180
 181                 /* Render targets. */
 182         case PIPE_CAP_MAX_RENDER_TARGETS:
 183                 return 4;
 184
 185         case PIPE_CAP_VENDOR_ID:
 186                 return 0x14E4;
 187         case PIPE_CAP_ACCELERATED:
 188                 return 1;
 189         case PIPE_CAP_VIDEO_MEMORY: {
 190                 uint64_t system_memory;
 191
 192                 if (!os_get_total_physical_memory(&system_memory))
 193                         return 0;
 194
 195                 return (int)(system_memory >> 20);
 196         }
 197         case PIPE_CAP_UMA:
 198                 return 1;
 199
 200         default:
 201                 return u_pipe_screen_get_param_defaults(pscreen, param);
 202         }
 203 }
 204
 205 static float
 206 v3d_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 207 {
 208         switch (param) {
 209         case PIPE_CAPF_MAX_LINE_WIDTH:
 210         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 211                 return 32;
 212
 213         case PIPE_CAPF_MAX_POINT_WIDTH:
 214         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 215                 return 512.0f;
 216
 217         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 218                 return 0.0f;
 219         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 220                 return 16.0f;
 221
 222         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 223         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 224         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 225                 return 0.0f;
 226         default:
 227                 fprintf(stderr, "unknown paramf %d\n", param);
 228                 return 0;
 229         }
 230 }
 231
 232 static int
 233 v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 234                            enum pipe_shader_cap param)
 235 {
 236         if (shader != PIPE_SHADER_VERTEX &&
 237             shader != PIPE_SHADER_FRAGMENT) {
 238                 return 0;
 239         }
 240
 241         /* this is probably not totally correct.. but it's a start: */
 242         switch (param) {
 243         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 244         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 245         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 246         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 247                 return 16384;
 248
 249         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 250                 return UINT_MAX;
 251
 252         case PIPE_SHADER_CAP_MAX_INPUTS:
 253                 if (shader == PIPE_SHADER_FRAGMENT)
 254                         return VC5_MAX_FS_INPUTS / 4;
 255                 else
 256                         return VC5_MAX_ATTRIBUTES;
 257         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 258                 if (shader == PIPE_SHADER_FRAGMENT)
 259                         return 4;
 260                 else
 261                         return VC5_MAX_FS_INPUTS / 4;
 262         case PIPE_SHADER_CAP_MAX_TEMPS:
 263                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 264         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 265                 return 16 * 1024 * sizeof(float);
 266         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 267                 return 16;
 268         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 269                 return 0;
 270         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 271         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 272         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 273                 return 0;
 274         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 275                 return 1;
 276         case PIPE_SHADER_CAP_SUBROUTINES:
 277                 return 0;
 278         case PIPE_SHADER_CAP_INTEGERS:
 279                 return 1;
 280         case PIPE_SHADER_CAP_FP16:
 281         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 282         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 283         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 284         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 285         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 286         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 287         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 288         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 289                 return 0;
 290         case PIPE_SHADER_CAP_SCALAR_ISA:
 291                 return 1;
 292         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 293         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 294         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 295         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 296                 return VC5_MAX_TEXTURE_SAMPLERS;
 297         case PIPE_SHADER_CAP_PREFERRED_IR:
 298                 return PIPE_SHADER_IR_NIR;
 299         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 300                 return 0;
 301         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 302                 return 32;
 303         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 304         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 305                 return 0;
 306         default:
 307                 fprintf(stderr, "unknown shader param %d\n", param);
 308                 return 0;
 309         }
 310         return 0;
 311 }
 312
 313 static boolean
 314 v3d_screen_is_format_supported(struct pipe_screen *pscreen,
 315                                enum pipe_format format,
 316                                enum pipe_texture_target target,
 317                                unsigned sample_count,
 318                                unsigned storage_sample_count,
 319                                unsigned usage)
 320 {
 321         struct v3d_screen *screen = v3d_screen(pscreen);
 322
 323         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 324                 return false;
 325
 326         if (sample_count > 1 && sample_count != VC5_MAX_SAMPLES)
 327                 return FALSE;
 328
 329         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 330                 return FALSE;
 331         }
 332
 333         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 334                 switch (format) {
 335                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 336                 case PIPE_FORMAT_R32G32B32_FLOAT:
 337                 case PIPE_FORMAT_R32G32_FLOAT:
 338                 case PIPE_FORMAT_R32_FLOAT:
 339                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 340                 case PIPE_FORMAT_R32G32B32_SNORM:
 341                 case PIPE_FORMAT_R32G32_SNORM:
 342                 case PIPE_FORMAT_R32_SNORM:
 343                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 344                 case PIPE_FORMAT_R32G32B32_SSCALED:
 345                 case PIPE_FORMAT_R32G32_SSCALED:
 346                 case PIPE_FORMAT_R32_SSCALED:
 347                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 348                 case PIPE_FORMAT_R16G16B16_UNORM:
 349                 case PIPE_FORMAT_R16G16_UNORM:
 350                 case PIPE_FORMAT_R16_UNORM:
 351                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 352                 case PIPE_FORMAT_R16G16B16_SNORM:
 353                 case PIPE_FORMAT_R16G16_SNORM:
 354                 case PIPE_FORMAT_R16_SNORM:
 355                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 356                 case PIPE_FORMAT_R16G16B16_USCALED:
 357                 case PIPE_FORMAT_R16G16_USCALED:
 358                 case PIPE_FORMAT_R16_USCALED:
 359                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 360                 case PIPE_FORMAT_R16G16B16_SSCALED:
 361                 case PIPE_FORMAT_R16G16_SSCALED:
 362                 case PIPE_FORMAT_R16_SSCALED:
 363                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 364                 case PIPE_FORMAT_R8G8B8_UNORM:
 365                 case PIPE_FORMAT_R8G8_UNORM:
 366                 case PIPE_FORMAT_R8_UNORM:
 367                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 368                 case PIPE_FORMAT_R8G8B8_SNORM:
 369                 case PIPE_FORMAT_R8G8_SNORM:
 370                 case PIPE_FORMAT_R8_SNORM:
 371                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 372                 case PIPE_FORMAT_R8G8B8_USCALED:
 373                 case PIPE_FORMAT_R8G8_USCALED:
 374                 case PIPE_FORMAT_R8_USCALED:
 375                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 376                 case PIPE_FORMAT_R8G8B8_SSCALED:
 377                 case PIPE_FORMAT_R8G8_SSCALED:
 378                 case PIPE_FORMAT_R8_SSCALED:
 379                 case PIPE_FORMAT_R10G10B10A2_UNORM:
 380                 case PIPE_FORMAT_B10G10R10A2_UNORM:
 381                 case PIPE_FORMAT_R10G10B10A2_SNORM:
 382                 case PIPE_FORMAT_B10G10R10A2_SNORM:
 383                 case PIPE_FORMAT_R10G10B10A2_USCALED:
 384                 case PIPE_FORMAT_B10G10R10A2_USCALED:
 385                 case PIPE_FORMAT_R10G10B10A2_SSCALED:
 386                 case PIPE_FORMAT_B10G10R10A2_SSCALED:
 387                         break;
 388                 default:
 389                         return FALSE;
 390                 }
 391         }
 392
 393         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 394             !v3d_rt_format_supported(&screen->devinfo, format)) {
 395                 return FALSE;
 396         }
 397
 398         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 399             !v3d_tex_format_supported(&screen->devinfo, format)) {
 400                 return FALSE;
 401         }
 402
 403         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 404             !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 405               format == PIPE_FORMAT_X8Z24_UNORM ||
 406               format == PIPE_FORMAT_Z16_UNORM ||
 407               format == PIPE_FORMAT_Z32_FLOAT ||
 408               format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 409                 return FALSE;
 410         }
 411
 412         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 413             !(format == PIPE_FORMAT_I8_UINT ||
 414               format == PIPE_FORMAT_I16_UINT ||
 415               format == PIPE_FORMAT_I32_UINT)) {
 416                 return FALSE;
 417         }
 418
 419         return TRUE;
 420 }
 421
 422 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
 423
 424 static unsigned handle_hash(void *key)
 425 {
 426     return PTR_TO_UINT(key);
 427 }
 428
 429 static int handle_compare(void *key1, void *key2)
 430 {
 431     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 432 }
 433
 434 static bool
 435 v3d_get_device_info(struct v3d_screen *screen)
 436 {
 437         struct drm_v3d_get_param ident0 = {
 438                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT0,
 439         };
 440         struct drm_v3d_get_param ident1 = {
 441                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT1,
 442         };
 443         int ret;
 444
 445         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident0);
 446         if (ret != 0) {
 447                 fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
 448                         strerror(errno));
 449                 return false;
 450         }
 451         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident1);
 452         if (ret != 0) {
 453                 fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
 454                         strerror(errno));
 455                 return false;
 456         }
 457
 458         uint32_t major = (ident0.value >> 24) & 0xff;
 459         uint32_t minor = (ident1.value >> 0) & 0xf;
 460         screen->devinfo.ver = major * 10 + minor;
 461
 462         screen->devinfo.vpm_size = (ident1.value >> 28 & 0xf) * 8192;
 463
 464         switch (screen->devinfo.ver) {
 465         case 33:
 466         case 41:
 467         case 42:
 468                 break;
 469         default:
 470                 fprintf(stderr,
 471                         "V3D %d.%d not supported by this version of Mesa.\n",
 472                         screen->devinfo.ver / 10,
 473                         screen->devinfo.ver % 10);
 474                 return false;
 475         }
 476
 477         return true;
 478 }
 479
 480 static const void *
 481 v3d_screen_get_compiler_options(struct pipe_screen *pscreen,
 482                                 enum pipe_shader_ir ir, unsigned shader)
 483 {
 484         return &v3d_nir_options;
 485 }
 486
 487 struct pipe_screen *
 488 v3d_screen_create(int fd, struct renderonly *ro)
 489 {
 490         struct v3d_screen *screen = rzalloc(NULL, struct v3d_screen);
 491         struct pipe_screen *pscreen;
 492
 493         pscreen = &screen->base;
 494
 495         pscreen->destroy = v3d_screen_destroy;
 496         pscreen->get_param = v3d_screen_get_param;
 497         pscreen->get_paramf = v3d_screen_get_paramf;
 498         pscreen->get_shader_param = v3d_screen_get_shader_param;
 499         pscreen->context_create = v3d_context_create;
 500         pscreen->is_format_supported = v3d_screen_is_format_supported;
 501
 502         screen->fd = fd;
 503         if (ro) {
 504                 screen->ro = renderonly_dup(ro);
 505                 if (!screen->ro) {
 506                         fprintf(stderr, "Failed to dup renderonly object\n");
 507                         ralloc_free(screen);
 508                         return NULL;
 509                 }
 510         }
 511         list_inithead(&screen->bo_cache.time_list);
 512         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 513         screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 514
 515 #if defined(USE_V3D_SIMULATOR)
 516         v3d_simulator_init(screen);
 517 #endif
 518
 519         if (!v3d_get_device_info(screen))
 520                 goto fail;
 521
 522         slab_create_parent(&screen->transfer_pool, sizeof(struct v3d_transfer), 16);
 523
 524         v3d_fence_init(screen);
 525
 526         v3d_process_debug_variable();
 527
 528         v3d_resource_screen_init(pscreen);
 529
 530         screen->compiler = v3d_compiler_init(&screen->devinfo);
 531
 532         pscreen->get_name = v3d_screen_get_name;
 533         pscreen->get_vendor = v3d_screen_get_vendor;
 534         pscreen->get_device_vendor = v3d_screen_get_vendor;
 535         pscreen->get_compiler_options = v3d_screen_get_compiler_options;
 536
 537         return pscreen;
 538
 539 fail:
 540         close(fd);
 541         ralloc_free(pscreen);
 542         return NULL;
 543 }