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 #include "drm-uapi/drm_fourcc.h"
  44
  45 static const char *
  46 v3d_screen_get_name(struct pipe_screen *pscreen)
  47 {
  48         struct v3d_screen *screen = v3d_screen(pscreen);
  49
  50         if (!screen->name) {
  51                 screen->name = ralloc_asprintf(screen,
  52                                                "V3D %d.%d",
  53                                                screen->devinfo.ver / 10,
  54                                                screen->devinfo.ver % 10);
  55         }
  56
  57         return screen->name;
  58 }
  59
  60 static const char *
  61 v3d_screen_get_vendor(struct pipe_screen *pscreen)
  62 {
  63         return "Broadcom";
  64 }
  65
  66 static void
  67 v3d_screen_destroy(struct pipe_screen *pscreen)
  68 {
  69         struct v3d_screen *screen = v3d_screen(pscreen);
  70
  71         util_hash_table_destroy(screen->bo_handles);
  72         v3d_bufmgr_destroy(pscreen);
  73         slab_destroy_parent(&screen->transfer_pool);
  74         free(screen->ro);
  75
  76         if (using_v3d_simulator)
  77                 v3d_simulator_destroy(screen);
  78
  79         v3d_compiler_free(screen->compiler);
  80         u_transfer_helper_destroy(pscreen->transfer_helper);
  81
  82         close(screen->fd);
  83         ralloc_free(pscreen);
  84 }
  85
  86 static bool
  87 v3d_has_feature(struct v3d_screen *screen, enum drm_v3d_param feature)
  88 {
  89         struct drm_v3d_get_param p = {
  90                 .param = feature,
  91         };
  92         int ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &p);
  93
  94         if (ret != 0)
  95                 return false;
  96
  97         return p.value;
  98 }
  99
 100 static int
 101 v3d_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 102 {
 103         struct v3d_screen *screen = v3d_screen(pscreen);
 104
 105         switch (param) {
 106                 /* Supported features (boolean caps). */
 107         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 108         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 109         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 110         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 111         case PIPE_CAP_NPOT_TEXTURES:
 112         case PIPE_CAP_SHAREABLE_SHADERS:
 113         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 114         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 115         case PIPE_CAP_TEXTURE_SWIZZLE:
 116         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 117         case PIPE_CAP_START_INSTANCE:
 118         case PIPE_CAP_TGSI_INSTANCEID:
 119         case PIPE_CAP_SM3:
 120         case PIPE_CAP_TEXTURE_QUERY_LOD:
 121         case PIPE_CAP_PRIMITIVE_RESTART:
 122         case PIPE_CAP_OCCLUSION_QUERY:
 123         case PIPE_CAP_POINT_SPRITE:
 124         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 125         case PIPE_CAP_COMPUTE:
 126         case PIPE_CAP_DRAW_INDIRECT:
 127         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 128         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 129         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 130         case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 131         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 132         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 133         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 134                 return 1;
 135
 136         case PIPE_CAP_PACKED_UNIFORMS:
 137                 /* We can't enable this flag, because it results in load_ubo
 138                  * intrinsics across a 16b boundary, but v3d's TMU general
 139                  * memory accesses wrap on 16b boundaries.
 140                  */
 141                 return 0;
 142
 143         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 144            return 0;
 145
 146         case PIPE_CAP_GENERATE_MIPMAP:
 147                 return v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_TFU);
 148
 149         case PIPE_CAP_INDEP_BLEND_ENABLE:
 150                 return screen->devinfo.ver >= 40;
 151
 152         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 153                 return 256;
 154
 155         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 156                 if (screen->devinfo.ver < 40)
 157                         return 0;
 158                 return 4;
 159
 160         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 161                 return 4;
 162
 163         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 164                 return 330;
 165
 166         case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 167                 return 140;
 168
 169         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 170                 return 1;
 171         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 172                 return 0;
 173         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 174                 if (screen->devinfo.ver >= 40)
 175                         return 0;
 176                 else
 177                         return 1;
 178         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 179                 if (screen->devinfo.ver >= 40)
 180                         return 1;
 181                 else
 182                         return 0;
 183
 184         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 185         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 186         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 187                 return 1;
 188
 189         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 190                 return 4;
 191
 192         case PIPE_CAP_MAX_VARYINGS:
 193                 return V3D_MAX_FS_INPUTS / 4;
 194
 195                 /* Texturing. */
 196         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 197         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 198         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 199                 if (screen->devinfo.ver < 40)
 200                         return 12;
 201                 else
 202                         return V3D_MAX_MIP_LEVELS;
 203         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 204                 return 2048;
 205
 206                 /* Render targets. */
 207         case PIPE_CAP_MAX_RENDER_TARGETS:
 208                 return 4;
 209
 210         case PIPE_CAP_VENDOR_ID:
 211                 return 0x14E4;
 212         case PIPE_CAP_ACCELERATED:
 213                 return 1;
 214         case PIPE_CAP_VIDEO_MEMORY: {
 215                 uint64_t system_memory;
 216
 217                 if (!os_get_total_physical_memory(&system_memory))
 218                         return 0;
 219
 220                 return (int)(system_memory >> 20);
 221         }
 222         case PIPE_CAP_UMA:
 223                 return 1;
 224
 225         default:
 226                 return u_pipe_screen_get_param_defaults(pscreen, param);
 227         }
 228 }
 229
 230 static float
 231 v3d_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 232 {
 233         switch (param) {
 234         case PIPE_CAPF_MAX_LINE_WIDTH:
 235         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 236                 return 32;
 237
 238         case PIPE_CAPF_MAX_POINT_WIDTH:
 239         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 240                 return 512.0f;
 241
 242         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 243                 return 0.0f;
 244         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 245                 return 16.0f;
 246
 247         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 248         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 249         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 250                 return 0.0f;
 251         default:
 252                 fprintf(stderr, "unknown paramf %d\n", param);
 253                 return 0;
 254         }
 255 }
 256
 257 static int
 258 v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 259                            enum pipe_shader_cap param)
 260 {
 261         struct v3d_screen *screen = v3d_screen(pscreen);
 262
 263         if (shader != PIPE_SHADER_VERTEX &&
 264             shader != PIPE_SHADER_FRAGMENT) {
 265                 return 0;
 266         }
 267
 268         /* this is probably not totally correct.. but it's a start: */
 269         switch (param) {
 270         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 271         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 272         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 273         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 274                 return 16384;
 275
 276         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 277                 return UINT_MAX;
 278
 279         case PIPE_SHADER_CAP_MAX_INPUTS:
 280                 if (shader == PIPE_SHADER_FRAGMENT)
 281                         return V3D_MAX_FS_INPUTS / 4;
 282                 else
 283                         return V3D_MAX_VS_INPUTS / 4;
 284         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 285                 if (shader == PIPE_SHADER_FRAGMENT)
 286                         return 4;
 287                 else
 288                         return V3D_MAX_FS_INPUTS / 4;
 289         case PIPE_SHADER_CAP_MAX_TEMPS:
 290                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 291         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 292                 /* Note: Limited by the offset size in
 293                  * v3d_unit_data_create().
 294                  */
 295                 return 16 * 1024 * sizeof(float);
 296         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 297                 return 16;
 298         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 299                 return 0;
 300         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 301         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 302         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 303                 return 0;
 304         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 305                 return 1;
 306         case PIPE_SHADER_CAP_SUBROUTINES:
 307                 return 0;
 308         case PIPE_SHADER_CAP_INTEGERS:
 309                 return 1;
 310         case PIPE_SHADER_CAP_FP16:
 311         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 312         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 313         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 314         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 315         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 316         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 317         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 318         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 319                 return 0;
 320         case PIPE_SHADER_CAP_SCALAR_ISA:
 321                 return 1;
 322         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 323         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 324                 return V3D_MAX_TEXTURE_SAMPLERS;
 325
 326         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 327                 return PIPE_MAX_SHADER_BUFFERS;
 328
 329         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 330                 if (screen->devinfo.ver < 41)
 331                         return 0;
 332                 else
 333                         return PIPE_MAX_SHADER_IMAGES;
 334
 335         case PIPE_SHADER_CAP_PREFERRED_IR:
 336                 return PIPE_SHADER_IR_NIR;
 337         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 338                 return 0;
 339         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 340                 return 32;
 341         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 342         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 343                 return 0;
 344         default:
 345                 fprintf(stderr, "unknown shader param %d\n", param);
 346                 return 0;
 347         }
 348         return 0;
 349 }
 350
 351 static boolean
 352 v3d_screen_is_format_supported(struct pipe_screen *pscreen,
 353                                enum pipe_format format,
 354                                enum pipe_texture_target target,
 355                                unsigned sample_count,
 356                                unsigned storage_sample_count,
 357                                unsigned usage)
 358 {
 359         struct v3d_screen *screen = v3d_screen(pscreen);
 360
 361         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 362                 return false;
 363
 364         if (sample_count > 1 && sample_count != V3D_MAX_SAMPLES)
 365                 return FALSE;
 366
 367         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 368                 return FALSE;
 369         }
 370
 371         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 372                 switch (format) {
 373                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 374                 case PIPE_FORMAT_R32G32B32_FLOAT:
 375                 case PIPE_FORMAT_R32G32_FLOAT:
 376                 case PIPE_FORMAT_R32_FLOAT:
 377                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 378                 case PIPE_FORMAT_R32G32B32_SNORM:
 379                 case PIPE_FORMAT_R32G32_SNORM:
 380                 case PIPE_FORMAT_R32_SNORM:
 381                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 382                 case PIPE_FORMAT_R32G32B32_SSCALED:
 383                 case PIPE_FORMAT_R32G32_SSCALED:
 384                 case PIPE_FORMAT_R32_SSCALED:
 385                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 386                 case PIPE_FORMAT_R16G16B16_UNORM:
 387                 case PIPE_FORMAT_R16G16_UNORM:
 388                 case PIPE_FORMAT_R16_UNORM:
 389                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 390                 case PIPE_FORMAT_R16G16B16_SNORM:
 391                 case PIPE_FORMAT_R16G16_SNORM:
 392                 case PIPE_FORMAT_R16_SNORM:
 393                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 394                 case PIPE_FORMAT_R16G16B16_USCALED:
 395                 case PIPE_FORMAT_R16G16_USCALED:
 396                 case PIPE_FORMAT_R16_USCALED:
 397                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 398                 case PIPE_FORMAT_R16G16B16_SSCALED:
 399                 case PIPE_FORMAT_R16G16_SSCALED:
 400                 case PIPE_FORMAT_R16_SSCALED:
 401                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 402                 case PIPE_FORMAT_R8G8B8_UNORM:
 403                 case PIPE_FORMAT_R8G8_UNORM:
 404                 case PIPE_FORMAT_R8_UNORM:
 405                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 406                 case PIPE_FORMAT_R8G8B8_SNORM:
 407                 case PIPE_FORMAT_R8G8_SNORM:
 408                 case PIPE_FORMAT_R8_SNORM:
 409                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 410                 case PIPE_FORMAT_R8G8B8_USCALED:
 411                 case PIPE_FORMAT_R8G8_USCALED:
 412                 case PIPE_FORMAT_R8_USCALED:
 413                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 414                 case PIPE_FORMAT_R8G8B8_SSCALED:
 415                 case PIPE_FORMAT_R8G8_SSCALED:
 416                 case PIPE_FORMAT_R8_SSCALED:
 417                 case PIPE_FORMAT_R10G10B10A2_UNORM:
 418                 case PIPE_FORMAT_B10G10R10A2_UNORM:
 419                 case PIPE_FORMAT_R10G10B10A2_SNORM:
 420                 case PIPE_FORMAT_B10G10R10A2_SNORM:
 421                 case PIPE_FORMAT_R10G10B10A2_USCALED:
 422                 case PIPE_FORMAT_B10G10R10A2_USCALED:
 423                 case PIPE_FORMAT_R10G10B10A2_SSCALED:
 424                 case PIPE_FORMAT_B10G10R10A2_SSCALED:
 425                         break;
 426                 default:
 427                         return FALSE;
 428                 }
 429         }
 430
 431         /* FORMAT_NONE gets allowed for ARB_framebuffer_no_attachments's probe
 432          * of FRAMEBUFFER_MAX_SAMPLES
 433          */
 434         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 435             format != PIPE_FORMAT_NONE &&
 436             !v3d_rt_format_supported(&screen->devinfo, format)) {
 437                 return FALSE;
 438         }
 439
 440         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 441             !v3d_tex_format_supported(&screen->devinfo, format)) {
 442                 return FALSE;
 443         }
 444
 445         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 446             !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 447               format == PIPE_FORMAT_X8Z24_UNORM ||
 448               format == PIPE_FORMAT_Z16_UNORM ||
 449               format == PIPE_FORMAT_Z32_FLOAT ||
 450               format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 451                 return FALSE;
 452         }
 453
 454         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 455             !(format == PIPE_FORMAT_I8_UINT ||
 456               format == PIPE_FORMAT_I16_UINT ||
 457               format == PIPE_FORMAT_I32_UINT)) {
 458                 return FALSE;
 459         }
 460
 461         return TRUE;
 462 }
 463
 464 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
 465
 466 static unsigned handle_hash(void *key)
 467 {
 468     return PTR_TO_UINT(key);
 469 }
 470
 471 static int handle_compare(void *key1, void *key2)
 472 {
 473     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 474 }
 475
 476 static bool
 477 v3d_get_device_info(struct v3d_screen *screen)
 478 {
 479         struct drm_v3d_get_param ident0 = {
 480                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT0,
 481         };
 482         struct drm_v3d_get_param ident1 = {
 483                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT1,
 484         };
 485         int ret;
 486
 487         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident0);
 488         if (ret != 0) {
 489                 fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
 490                         strerror(errno));
 491                 return false;
 492         }
 493         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident1);
 494         if (ret != 0) {
 495                 fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
 496                         strerror(errno));
 497                 return false;
 498         }
 499
 500         uint32_t major = (ident0.value >> 24) & 0xff;
 501         uint32_t minor = (ident1.value >> 0) & 0xf;
 502         screen->devinfo.ver = major * 10 + minor;
 503
 504         screen->devinfo.vpm_size = (ident1.value >> 28 & 0xf) * 8192;
 505
 506         switch (screen->devinfo.ver) {
 507         case 33:
 508         case 41:
 509         case 42:
 510                 break;
 511         default:
 512                 fprintf(stderr,
 513                         "V3D %d.%d not supported by this version of Mesa.\n",
 514                         screen->devinfo.ver / 10,
 515                         screen->devinfo.ver % 10);
 516                 return false;
 517         }
 518
 519         return true;
 520 }
 521
 522 static const void *
 523 v3d_screen_get_compiler_options(struct pipe_screen *pscreen,
 524                                 enum pipe_shader_ir ir, unsigned shader)
 525 {
 526         return &v3d_nir_options;
 527 }
 528
 529 static void
 530 v3d_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 531                                   enum pipe_format format, int max,
 532                                   uint64_t *modifiers,
 533                                   unsigned int *external_only,
 534                                   int *count)
 535 {
 536         int i;
 537         uint64_t available_modifiers[] = {
 538                 DRM_FORMAT_MOD_BROADCOM_UIF,
 539                 DRM_FORMAT_MOD_LINEAR,
 540         };
 541         int num_modifiers = ARRAY_SIZE(available_modifiers);
 542
 543         if (!modifiers) {
 544                 *count = num_modifiers;
 545                 return;
 546         }
 547
 548         *count = MIN2(max, num_modifiers);
 549         for (i = 0; i < *count; i++) {
 550                 modifiers[i] = available_modifiers[i];
 551                 if (external_only)
 552                         external_only[i] = false;
 553        }
 554 }
 555
 556 struct pipe_screen *
 557 v3d_screen_create(int fd, struct renderonly *ro)
 558 {
 559         struct v3d_screen *screen = rzalloc(NULL, struct v3d_screen);
 560         struct pipe_screen *pscreen;
 561
 562         pscreen = &screen->base;
 563
 564         pscreen->destroy = v3d_screen_destroy;
 565         pscreen->get_param = v3d_screen_get_param;
 566         pscreen->get_paramf = v3d_screen_get_paramf;
 567         pscreen->get_shader_param = v3d_screen_get_shader_param;
 568         pscreen->context_create = v3d_context_create;
 569         pscreen->is_format_supported = v3d_screen_is_format_supported;
 570
 571         screen->fd = fd;
 572         if (ro) {
 573                 screen->ro = renderonly_dup(ro);
 574                 if (!screen->ro) {
 575                         fprintf(stderr, "Failed to dup renderonly object\n");
 576                         ralloc_free(screen);
 577                         return NULL;
 578                 }
 579         }
 580         list_inithead(&screen->bo_cache.time_list);
 581         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 582         screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 583
 584 #if defined(USE_V3D_SIMULATOR)
 585         v3d_simulator_init(screen);
 586 #endif
 587
 588         if (!v3d_get_device_info(screen))
 589                 goto fail;
 590
 591         slab_create_parent(&screen->transfer_pool, sizeof(struct v3d_transfer), 16);
 592
 593         v3d_fence_init(screen);
 594
 595         v3d_process_debug_variable();
 596
 597         v3d_resource_screen_init(pscreen);
 598
 599         screen->compiler = v3d_compiler_init(&screen->devinfo);
 600
 601         pscreen->get_name = v3d_screen_get_name;
 602         pscreen->get_vendor = v3d_screen_get_vendor;
 603         pscreen->get_device_vendor = v3d_screen_get_vendor;
 604         pscreen->get_compiler_options = v3d_screen_get_compiler_options;
 605         pscreen->query_dmabuf_modifiers = v3d_screen_query_dmabuf_modifiers;
 606
 607         return pscreen;
 608
 609 fail:
 610         close(fd);
 611         ralloc_free(pscreen);
 612         return NULL;
 613 }