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 <sys/sysinfo.h>
  26
  27 #include "common/v3d_device_info.h"
  28 #include "util/os_misc.h"
  29 #include "pipe/p_defines.h"
  30 #include "pipe/p_screen.h"
  31 #include "pipe/p_state.h"
  32
  33 #include "util/u_debug.h"
  34 #include "util/u_memory.h"
  35 #include "util/format/u_format.h"
  36 #include "util/u_hash_table.h"
  37 #include "util/u_screen.h"
  38 #include "util/u_transfer_helper.h"
  39 #include "util/ralloc.h"
  40 #include "util/xmlconfig.h"
  41
  42 #include <xf86drm.h>
  43 #include "v3d_screen.h"
  44 #include "v3d_context.h"
  45 #include "v3d_resource.h"
  46 #include "compiler/v3d_compiler.h"
  47 #include "drm-uapi/drm_fourcc.h"
  48
  49 static const char *
  50 v3d_screen_get_name(struct pipe_screen *pscreen)
  51 {
  52         struct v3d_screen *screen = v3d_screen(pscreen);
  53
  54         if (!screen->name) {
  55                 screen->name = ralloc_asprintf(screen,
  56                                                "V3D %d.%d",
  57                                                screen->devinfo.ver / 10,
  58                                                screen->devinfo.ver % 10);
  59         }
  60
  61         return screen->name;
  62 }
  63
  64 static const char *
  65 v3d_screen_get_vendor(struct pipe_screen *pscreen)
  66 {
  67         return "Broadcom";
  68 }
  69
  70 static void
  71 v3d_screen_destroy(struct pipe_screen *pscreen)
  72 {
  73         struct v3d_screen *screen = v3d_screen(pscreen);
  74
  75         _mesa_hash_table_destroy(screen->bo_handles, NULL);
  76         v3d_bufmgr_destroy(pscreen);
  77         slab_destroy_parent(&screen->transfer_pool);
  78         free(screen->ro);
  79
  80         if (using_v3d_simulator)
  81                 v3d_simulator_destroy(screen);
  82
  83         v3d_compiler_free(screen->compiler);
  84         u_transfer_helper_destroy(pscreen->transfer_helper);
  85
  86         close(screen->fd);
  87         ralloc_free(pscreen);
  88 }
  89
  90 static bool
  91 v3d_has_feature(struct v3d_screen *screen, enum drm_v3d_param feature)
  92 {
  93         struct drm_v3d_get_param p = {
  94                 .param = feature,
  95         };
  96         int ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &p);
  97
  98         if (ret != 0)
  99                 return false;
 100
 101         return p.value;
 102 }
 103
 104 static int
 105 v3d_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 106 {
 107         struct v3d_screen *screen = v3d_screen(pscreen);
 108
 109         switch (param) {
 110                 /* Supported features (boolean caps). */
 111         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 112         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 113         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 114         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 115         case PIPE_CAP_NPOT_TEXTURES:
 116         case PIPE_CAP_SHAREABLE_SHADERS:
 117         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 118         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 119         case PIPE_CAP_TEXTURE_SWIZZLE:
 120         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 121         case PIPE_CAP_START_INSTANCE:
 122         case PIPE_CAP_TGSI_INSTANCEID:
 123         case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
 124         case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
 125         case PIPE_CAP_VERTEX_SHADER_SATURATE:
 126         case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX:
 127         case PIPE_CAP_OCCLUSION_QUERY:
 128         case PIPE_CAP_POINT_SPRITE:
 129         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 130         case PIPE_CAP_DRAW_INDIRECT:
 131         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 132         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 133         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 134         case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 135         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 136         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 137         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 138         case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 139                 return 1;
 140
 141         case PIPE_CAP_TEXTURE_QUERY_LOD:
 142                 return screen->devinfo.ver >= 42;
 143                 break;
 144
 145         case PIPE_CAP_PACKED_UNIFORMS:
 146                 /* We can't enable this flag, because it results in load_ubo
 147                  * intrinsics across a 16b boundary, but v3d's TMU general
 148                  * memory accesses wrap on 16b boundaries.
 149                  */
 150                 return 0;
 151
 152         case PIPE_CAP_NIR_IMAGES_AS_DEREF:
 153                 return 0;
 154
 155         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 156                 /* XXX perf: we don't want to emit these extra blits for
 157                  * glReadPixels(), since we still have to do an uncached read
 158                  * from the GPU of the result after waiting for the TFU blit
 159                  * to happen.  However, disabling this introduces instability
 160                  * in
 161                  * dEQP-GLES31.functional.image_load_store.early_fragment_tests.*
 162                  * and corruption in chromium's rendering.
 163                  */
 164                 return 1;
 165
 166         case PIPE_CAP_COMPUTE:
 167                 return screen->has_csd && screen->devinfo.ver >= 41;
 168
 169         case PIPE_CAP_GENERATE_MIPMAP:
 170                 return v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_TFU);
 171
 172         case PIPE_CAP_INDEP_BLEND_ENABLE:
 173                 return screen->devinfo.ver >= 40;
 174
 175         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 176                 return 256;
 177
 178         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 179                 if (screen->devinfo.ver < 40)
 180                         return 0;
 181                 return 4;
 182
 183         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 184                 if (screen->has_cache_flush)
 185                         return 4;
 186                 else
 187                         return 0; /* Disables shader storage */
 188
 189         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 190                 return 330;
 191
 192         case PIPE_CAP_ESSL_FEATURE_LEVEL:
 193                 return 310;
 194
 195         case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 196                 return 140;
 197
 198         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 199                 return 1;
 200         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 201                 return 0;
 202         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 203                 if (screen->devinfo.ver >= 40)
 204                         return 0;
 205                 else
 206                         return 1;
 207         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 208                 if (screen->devinfo.ver >= 40)
 209                         return 1;
 210                 else
 211                         return 0;
 212
 213         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 214         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 215         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 216                 return 1;
 217
 218         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 219                 return 4;
 220
 221         case PIPE_CAP_MAX_VARYINGS:
 222                 return V3D_MAX_FS_INPUTS / 4;
 223
 224                 /* Texturing. */
 225         case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 226                 if (screen->devinfo.ver < 40)
 227                         return 2048;
 228                 else if (screen->nonmsaa_texture_size_limit)
 229                         return 7680;
 230                 else
 231                         return 4096;
 232         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 233         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 234                 if (screen->devinfo.ver < 40)
 235                         return 12;
 236                 else
 237                         return V3D_MAX_MIP_LEVELS;
 238         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 239                 return 2048;
 240
 241                 /* Render targets. */
 242         case PIPE_CAP_MAX_RENDER_TARGETS:
 243                 return 4;
 244
 245         case PIPE_CAP_VENDOR_ID:
 246                 return 0x14E4;
 247         case PIPE_CAP_ACCELERATED:
 248                 return 1;
 249         case PIPE_CAP_VIDEO_MEMORY: {
 250                 uint64_t system_memory;
 251
 252                 if (!os_get_total_physical_memory(&system_memory))
 253                         return 0;
 254
 255                 return (int)(system_memory >> 20);
 256         }
 257         case PIPE_CAP_UMA:
 258                 return 1;
 259
 260         /* Geometry shaders */
 261         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 262                 /* Minimum required by GLES 3.2 */
 263                 return 1024;
 264         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 265                 /* MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS / 4 */
 266                 return 256;
 267         case PIPE_CAP_MAX_GS_INVOCATIONS:
 268                 return 32;
 269
 270         default:
 271                 return u_pipe_screen_get_param_defaults(pscreen, param);
 272         }
 273 }
 274
 275 static float
 276 v3d_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 277 {
 278         switch (param) {
 279         case PIPE_CAPF_MAX_LINE_WIDTH:
 280         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 281                 return 32;
 282
 283         case PIPE_CAPF_MAX_POINT_WIDTH:
 284         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 285                 return 512.0f;
 286
 287         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 288                 return 0.0f;
 289         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 290                 return 16.0f;
 291
 292         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 293         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 294         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 295                 return 0.0f;
 296         default:
 297                 fprintf(stderr, "unknown paramf %d\n", param);
 298                 return 0;
 299         }
 300 }
 301
 302 static int
 303 v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 304                            enum pipe_shader_cap param)
 305 {
 306         struct v3d_screen *screen = v3d_screen(pscreen);
 307
 308         switch (shader) {
 309         case PIPE_SHADER_VERTEX:
 310         case PIPE_SHADER_FRAGMENT:
 311                 break;
 312         case PIPE_SHADER_COMPUTE:
 313                 if (!screen->has_csd)
 314                         return 0;
 315                 break;
 316         case PIPE_SHADER_GEOMETRY:
 317                 if (screen->devinfo.ver < 41)
 318                         return 0;
 319                 break;
 320         default:
 321                 return 0;
 322         }
 323
 324         /* this is probably not totally correct.. but it's a start: */
 325         switch (param) {
 326         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 327         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 328         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 329         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 330                 return 16384;
 331
 332         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 333                 return UINT_MAX;
 334
 335         case PIPE_SHADER_CAP_MAX_INPUTS:
 336                 switch (shader) {
 337                 case PIPE_SHADER_VERTEX:
 338                         return V3D_MAX_VS_INPUTS / 4;
 339                 case PIPE_SHADER_GEOMETRY:
 340                         return V3D_MAX_GS_INPUTS / 4;
 341                 case PIPE_SHADER_FRAGMENT:
 342                         return V3D_MAX_FS_INPUTS / 4;
 343                 default:
 344                         return 0;
 345                 };
 346         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 347                 if (shader == PIPE_SHADER_FRAGMENT)
 348                         return 4;
 349                 else
 350                         return V3D_MAX_FS_INPUTS / 4;
 351         case PIPE_SHADER_CAP_MAX_TEMPS:
 352                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 353         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 354                 /* Note: Limited by the offset size in
 355                  * v3d_unit_data_create().
 356                  */
 357                 return 16 * 1024 * sizeof(float);
 358         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 359                 return 16;
 360         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 361                 return 0;
 362         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 363                 return 1;
 364         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 365                 return 0;
 366         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 367                 return 1;
 368         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 369                 return 1;
 370         case PIPE_SHADER_CAP_SUBROUTINES:
 371                 return 0;
 372         case PIPE_SHADER_CAP_INTEGERS:
 373                 return 1;
 374         case PIPE_SHADER_CAP_FP16:
 375         case PIPE_SHADER_CAP_FP16_DERIVATIVES:
 376         case PIPE_SHADER_CAP_INT16:
 377         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 378         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 379         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 380         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 381         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 382         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 383         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 384         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 385                 return 0;
 386         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 387         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 388                 return V3D_MAX_TEXTURE_SAMPLERS;
 389
 390         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 391                 if (screen->has_cache_flush) {
 392                         if (shader == PIPE_SHADER_VERTEX ||
 393                             shader == PIPE_SHADER_GEOMETRY) {
 394                                 return 0;
 395                         }
 396                         return PIPE_MAX_SHADER_BUFFERS;
 397                  } else {
 398                         return 0;
 399                  }
 400
 401         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 402                 if (screen->has_cache_flush) {
 403                         if (screen->devinfo.ver < 41)
 404                                 return 0;
 405                         else
 406                                 return PIPE_MAX_SHADER_IMAGES;
 407                 } else {
 408                         return 0;
 409                 }
 410
 411         case PIPE_SHADER_CAP_PREFERRED_IR:
 412                 return PIPE_SHADER_IR_NIR;
 413         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 414                 return 1 << PIPE_SHADER_IR_NIR;
 415         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 416                 return 32;
 417         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 418         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 419                 return 0;
 420         default:
 421                 fprintf(stderr, "unknown shader param %d\n", param);
 422                 return 0;
 423         }
 424         return 0;
 425 }
 426
 427 static int
 428 v3d_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
 429                       enum pipe_compute_cap param, void *ret)
 430 {
 431         struct v3d_screen *screen = v3d_screen(pscreen);
 432
 433         if (!screen->has_csd)
 434                 return 0;
 435
 436 #define RET(x) do {                                     \
 437                 if (ret)                                \
 438                         memcpy(ret, x, sizeof(x));      \
 439                 return sizeof(x);                       \
 440         } while (0)
 441
 442         switch (param) {
 443         case PIPE_COMPUTE_CAP_ADDRESS_BITS:
 444                 RET((uint32_t []) { 32 });
 445                 break;
 446
 447         case PIPE_COMPUTE_CAP_IR_TARGET:
 448                 sprintf(ret, "v3d");
 449                 return strlen(ret);
 450
 451         case PIPE_COMPUTE_CAP_GRID_DIMENSION:
 452                 RET((uint64_t []) { 3 });
 453
 454         case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
 455                 /* GL_MAX_COMPUTE_SHADER_WORK_GROUP_COUNT: The CSD has a
 456                  * 16-bit field for the number of workgroups in each
 457                  * dimension.
 458                  */
 459                 RET(((uint64_t []) { 65535, 65535, 65535 }));
 460
 461         case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
 462                 /* GL_MAX_COMPUTE_WORK_GROUP_SIZE */
 463                 RET(((uint64_t []) { 256, 256, 256 }));
 464
 465         case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
 466         case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
 467                 /* GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS: This is
 468                  * limited by WG_SIZE in the CSD.
 469                  */
 470                 RET((uint64_t []) { 256 });
 471
 472         case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
 473                 RET((uint64_t []) { 1024 * 1024 * 1024 });
 474
 475         case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
 476                 /* GL_MAX_COMPUTE_SHARED_MEMORY_SIZE */
 477                 RET((uint64_t []) { 32768 });
 478
 479         case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
 480         case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
 481                 RET((uint64_t []) { 4096 });
 482
 483         case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE: {
 484                 struct sysinfo si;
 485                 sysinfo(&si);
 486                 RET((uint64_t []) { si.totalram });
 487         }
 488
 489         case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
 490                 /* OpenCL only */
 491                 RET((uint32_t []) { 0 });
 492
 493         case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
 494                 RET((uint32_t []) { 1 });
 495
 496         case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
 497                 RET((uint32_t []) { 1 });
 498
 499         case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
 500                 RET((uint32_t []) { 16 });
 501
 502         }
 503
 504         return 0;
 505 }
 506
 507 static bool
 508 v3d_screen_is_format_supported(struct pipe_screen *pscreen,
 509                                enum pipe_format format,
 510                                enum pipe_texture_target target,
 511                                unsigned sample_count,
 512                                unsigned storage_sample_count,
 513                                unsigned usage)
 514 {
 515         struct v3d_screen *screen = v3d_screen(pscreen);
 516
 517         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 518                 return false;
 519
 520         if (sample_count > 1 && sample_count != V3D_MAX_SAMPLES)
 521                 return false;
 522
 523         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 524                 return false;
 525         }
 526
 527         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 528                 switch (format) {
 529                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 530                 case PIPE_FORMAT_R32G32B32_FLOAT:
 531                 case PIPE_FORMAT_R32G32_FLOAT:
 532                 case PIPE_FORMAT_R32_FLOAT:
 533                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 534                 case PIPE_FORMAT_R32G32B32_SNORM:
 535                 case PIPE_FORMAT_R32G32_SNORM:
 536                 case PIPE_FORMAT_R32_SNORM:
 537                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 538                 case PIPE_FORMAT_R32G32B32_SSCALED:
 539                 case PIPE_FORMAT_R32G32_SSCALED:
 540                 case PIPE_FORMAT_R32_SSCALED:
 541                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 542                 case PIPE_FORMAT_R16G16B16_UNORM:
 543                 case PIPE_FORMAT_R16G16_UNORM:
 544                 case PIPE_FORMAT_R16_UNORM:
 545                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 546                 case PIPE_FORMAT_R16G16B16_SNORM:
 547                 case PIPE_FORMAT_R16G16_SNORM:
 548                 case PIPE_FORMAT_R16_SNORM:
 549                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 550                 case PIPE_FORMAT_R16G16B16_USCALED:
 551                 case PIPE_FORMAT_R16G16_USCALED:
 552                 case PIPE_FORMAT_R16_USCALED:
 553                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 554                 case PIPE_FORMAT_R16G16B16_SSCALED:
 555                 case PIPE_FORMAT_R16G16_SSCALED:
 556                 case PIPE_FORMAT_R16_SSCALED:
 557                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 558                 case PIPE_FORMAT_R8G8B8_UNORM:
 559                 case PIPE_FORMAT_R8G8_UNORM:
 560                 case PIPE_FORMAT_R8_UNORM:
 561                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 562                 case PIPE_FORMAT_R8G8B8_SNORM:
 563                 case PIPE_FORMAT_R8G8_SNORM:
 564                 case PIPE_FORMAT_R8_SNORM:
 565                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 566                 case PIPE_FORMAT_R8G8B8_USCALED:
 567                 case PIPE_FORMAT_R8G8_USCALED:
 568                 case PIPE_FORMAT_R8_USCALED:
 569                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 570                 case PIPE_FORMAT_R8G8B8_SSCALED:
 571                 case PIPE_FORMAT_R8G8_SSCALED:
 572                 case PIPE_FORMAT_R8_SSCALED:
 573                 case PIPE_FORMAT_R10G10B10A2_UNORM:
 574                 case PIPE_FORMAT_B10G10R10A2_UNORM:
 575                 case PIPE_FORMAT_R10G10B10A2_SNORM:
 576                 case PIPE_FORMAT_B10G10R10A2_SNORM:
 577                 case PIPE_FORMAT_R10G10B10A2_USCALED:
 578                 case PIPE_FORMAT_B10G10R10A2_USCALED:
 579                 case PIPE_FORMAT_R10G10B10A2_SSCALED:
 580                 case PIPE_FORMAT_B10G10R10A2_SSCALED:
 581                         break;
 582                 default:
 583                         return false;
 584                 }
 585         }
 586
 587         /* FORMAT_NONE gets allowed for ARB_framebuffer_no_attachments's probe
 588          * of FRAMEBUFFER_MAX_SAMPLES
 589          */
 590         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 591             format != PIPE_FORMAT_NONE &&
 592             !v3d_rt_format_supported(&screen->devinfo, format)) {
 593                 return false;
 594         }
 595
 596         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 597             !v3d_tex_format_supported(&screen->devinfo, format)) {
 598                 return false;
 599         }
 600
 601         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 602             !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 603               format == PIPE_FORMAT_X8Z24_UNORM ||
 604               format == PIPE_FORMAT_Z16_UNORM ||
 605               format == PIPE_FORMAT_Z32_FLOAT ||
 606               format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 607                 return false;
 608         }
 609
 610         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 611             !(format == PIPE_FORMAT_I8_UINT ||
 612               format == PIPE_FORMAT_I16_UINT ||
 613               format == PIPE_FORMAT_I32_UINT)) {
 614                 return false;
 615         }
 616
 617         return true;
 618 }
 619
 620 static const void *
 621 v3d_screen_get_compiler_options(struct pipe_screen *pscreen,
 622                                 enum pipe_shader_ir ir, unsigned shader)
 623 {
 624         return &v3d_nir_options;
 625 }
 626
 627 static void
 628 v3d_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 629                                   enum pipe_format format, int max,
 630                                   uint64_t *modifiers,
 631                                   unsigned int *external_only,
 632                                   int *count)
 633 {
 634         int i;
 635         uint64_t available_modifiers[] = {
 636                 DRM_FORMAT_MOD_BROADCOM_UIF,
 637                 DRM_FORMAT_MOD_LINEAR,
 638         };
 639         int num_modifiers = ARRAY_SIZE(available_modifiers);
 640
 641         if (!modifiers) {
 642                 *count = num_modifiers;
 643                 return;
 644         }
 645
 646         *count = MIN2(max, num_modifiers);
 647         for (i = 0; i < *count; i++) {
 648                 modifiers[i] = available_modifiers[i];
 649                 if (external_only)
 650                         external_only[i] = false;
 651        }
 652 }
 653
 654 struct pipe_screen *
 655 v3d_screen_create(int fd, const struct pipe_screen_config *config,
 656                   struct renderonly *ro)
 657 {
 658         struct v3d_screen *screen = rzalloc(NULL, struct v3d_screen);
 659         struct pipe_screen *pscreen;
 660
 661         pscreen = &screen->base;
 662
 663         pscreen->destroy = v3d_screen_destroy;
 664         pscreen->get_param = v3d_screen_get_param;
 665         pscreen->get_paramf = v3d_screen_get_paramf;
 666         pscreen->get_shader_param = v3d_screen_get_shader_param;
 667         pscreen->get_compute_param = v3d_get_compute_param;
 668         pscreen->context_create = v3d_context_create;
 669         pscreen->is_format_supported = v3d_screen_is_format_supported;
 670
 671         screen->fd = fd;
 672         if (ro) {
 673                 screen->ro = renderonly_dup(ro);
 674                 if (!screen->ro) {
 675                         fprintf(stderr, "Failed to dup renderonly object\n");
 676                         ralloc_free(screen);
 677                         return NULL;
 678                 }
 679         }
 680         list_inithead(&screen->bo_cache.time_list);
 681         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 682         screen->bo_handles = util_hash_table_create_ptr_keys();
 683
 684 #if defined(USE_V3D_SIMULATOR)
 685         v3d_simulator_init(screen);
 686 #endif
 687
 688         if (!v3d_get_device_info(screen->fd, &screen->devinfo, &v3d_ioctl))
 689                 goto fail;
 690
 691         /* We have to driCheckOption for the simulator mode to not assertion
 692          * fail on not having our XML config.
 693          */
 694         const char *nonmsaa_name = "v3d_nonmsaa_texture_size_limit";
 695         screen->nonmsaa_texture_size_limit =
 696                 driCheckOption(config->options, nonmsaa_name, DRI_BOOL) &&
 697                 driQueryOptionb(config->options, nonmsaa_name);
 698
 699         slab_create_parent(&screen->transfer_pool, sizeof(struct v3d_transfer), 16);
 700
 701         screen->has_csd = v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_CSD);
 702         screen->has_cache_flush =
 703                 v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_CACHE_FLUSH);
 704
 705         v3d_fence_init(screen);
 706
 707         v3d_process_debug_variable();
 708
 709         v3d_resource_screen_init(pscreen);
 710
 711         screen->compiler = v3d_compiler_init(&screen->devinfo);
 712
 713         pscreen->get_name = v3d_screen_get_name;
 714         pscreen->get_vendor = v3d_screen_get_vendor;
 715         pscreen->get_device_vendor = v3d_screen_get_vendor;
 716         pscreen->get_compiler_options = v3d_screen_get_compiler_options;
 717         pscreen->query_dmabuf_modifiers = v3d_screen_query_dmabuf_modifiers;
 718
 719         return pscreen;
 720
 721 fail:
 722         close(fd);
 723         ralloc_free(pscreen);
 724         return NULL;
 725 }