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         util_hash_table_destroy(screen->bo_handles);
  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_TEXTURE_QUERY_LOD:
 127         case PIPE_CAP_PRIMITIVE_RESTART:
 128         case PIPE_CAP_OCCLUSION_QUERY:
 129         case PIPE_CAP_POINT_SPRITE:
 130         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 131         case PIPE_CAP_DRAW_INDIRECT:
 132         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 133         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 134         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 135         case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 136         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 137         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 138         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 139         case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 140                 return 1;
 141
 142         case PIPE_CAP_PACKED_UNIFORMS:
 143                 /* We can't enable this flag, because it results in load_ubo
 144                  * intrinsics across a 16b boundary, but v3d's TMU general
 145                  * memory accesses wrap on 16b boundaries.
 146                  */
 147                 return 0;
 148
 149         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 150                 /* XXX perf: we don't want to emit these extra blits for
 151                  * glReadPixels(), since we still have to do an uncached read
 152                  * from the GPU of the result after waiting for the TFU blit
 153                  * to happen.  However, disabling this introduces instability
 154                  * in
 155                  * dEQP-GLES31.functional.image_load_store.early_fragment_tests.*
 156                  * and corruption in chromium's rendering.
 157                  */
 158                 return 1;
 159
 160         case PIPE_CAP_COMPUTE:
 161                 return screen->has_csd && screen->devinfo.ver >= 41;
 162
 163         case PIPE_CAP_GENERATE_MIPMAP:
 164                 return v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_TFU);
 165
 166         case PIPE_CAP_INDEP_BLEND_ENABLE:
 167                 return screen->devinfo.ver >= 40;
 168
 169         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 170                 return 256;
 171
 172         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 173                 if (screen->devinfo.ver < 40)
 174                         return 0;
 175                 return 4;
 176
 177         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 178                 if (screen->has_cache_flush)
 179                         return 4;
 180                 else
 181                         return 0; /* Disables shader storage */
 182
 183         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 184                 return 330;
 185
 186         case PIPE_CAP_ESSL_FEATURE_LEVEL:
 187                 return 310;
 188
 189         case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 190                 return 140;
 191
 192         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 193                 return 1;
 194         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 195                 return 0;
 196         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 197                 if (screen->devinfo.ver >= 40)
 198                         return 0;
 199                 else
 200                         return 1;
 201         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 202                 if (screen->devinfo.ver >= 40)
 203                         return 1;
 204                 else
 205                         return 0;
 206
 207         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 208         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 209         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 210                 return 1;
 211
 212         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 213                 return 4;
 214
 215         case PIPE_CAP_MAX_VARYINGS:
 216                 return V3D_MAX_FS_INPUTS / 4;
 217
 218                 /* Texturing. */
 219         case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 220                 if (screen->devinfo.ver < 40)
 221                         return 2048;
 222                 else if (screen->nonmsaa_texture_size_limit)
 223                         return 7680;
 224                 else
 225                         return 4096;
 226         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 227         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 228                 if (screen->devinfo.ver < 40)
 229                         return 12;
 230                 else
 231                         return V3D_MAX_MIP_LEVELS;
 232         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 233                 return 2048;
 234
 235                 /* Render targets. */
 236         case PIPE_CAP_MAX_RENDER_TARGETS:
 237                 return 4;
 238
 239         case PIPE_CAP_VENDOR_ID:
 240                 return 0x14E4;
 241         case PIPE_CAP_ACCELERATED:
 242                 return 1;
 243         case PIPE_CAP_VIDEO_MEMORY: {
 244                 uint64_t system_memory;
 245
 246                 if (!os_get_total_physical_memory(&system_memory))
 247                         return 0;
 248
 249                 return (int)(system_memory >> 20);
 250         }
 251         case PIPE_CAP_UMA:
 252                 return 1;
 253
 254         /* Geometry shaders */
 255         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 256                 /* Minimum required by GLES 3.2 */
 257                 return 1024;
 258         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 259                 /* MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS / 4 */
 260                 return 256;
 261         case PIPE_CAP_MAX_GS_INVOCATIONS:
 262                 return 32;
 263
 264         default:
 265                 return u_pipe_screen_get_param_defaults(pscreen, param);
 266         }
 267 }
 268
 269 static float
 270 v3d_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 271 {
 272         switch (param) {
 273         case PIPE_CAPF_MAX_LINE_WIDTH:
 274         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 275                 return 32;
 276
 277         case PIPE_CAPF_MAX_POINT_WIDTH:
 278         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 279                 return 512.0f;
 280
 281         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 282                 return 0.0f;
 283         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 284                 return 16.0f;
 285
 286         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 287         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 288         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 289                 return 0.0f;
 290         default:
 291                 fprintf(stderr, "unknown paramf %d\n", param);
 292                 return 0;
 293         }
 294 }
 295
 296 static int
 297 v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 298                            enum pipe_shader_cap param)
 299 {
 300         struct v3d_screen *screen = v3d_screen(pscreen);
 301
 302         switch (shader) {
 303         case PIPE_SHADER_VERTEX:
 304         case PIPE_SHADER_FRAGMENT:
 305                 break;
 306         case PIPE_SHADER_COMPUTE:
 307                 if (!screen->has_csd)
 308                         return 0;
 309                 break;
 310         case PIPE_SHADER_GEOMETRY:
 311                 if (screen->devinfo.ver < 41)
 312                         return 0;
 313                 break;
 314         default:
 315                 return 0;
 316         }
 317
 318         /* this is probably not totally correct.. but it's a start: */
 319         switch (param) {
 320         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 321         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 322         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 323         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 324                 return 16384;
 325
 326         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 327                 return UINT_MAX;
 328
 329         case PIPE_SHADER_CAP_MAX_INPUTS:
 330                 switch (shader) {
 331                 case PIPE_SHADER_VERTEX:
 332                         return V3D_MAX_VS_INPUTS / 4;
 333                 case PIPE_SHADER_GEOMETRY:
 334                         return V3D_MAX_GS_INPUTS / 4;
 335                 case PIPE_SHADER_FRAGMENT:
 336                         return V3D_MAX_FS_INPUTS / 4;
 337                 default:
 338                         return 0;
 339                 };
 340         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 341                 if (shader == PIPE_SHADER_FRAGMENT)
 342                         return 4;
 343                 else
 344                         return V3D_MAX_FS_INPUTS / 4;
 345         case PIPE_SHADER_CAP_MAX_TEMPS:
 346                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 347         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 348                 /* Note: Limited by the offset size in
 349                  * v3d_unit_data_create().
 350                  */
 351                 return 16 * 1024 * sizeof(float);
 352         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 353                 return 16;
 354         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 355                 return 0;
 356         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 357                 return 1;
 358         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 359                 return 0;
 360         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 361                 return 1;
 362         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 363                 return 1;
 364         case PIPE_SHADER_CAP_SUBROUTINES:
 365                 return 0;
 366         case PIPE_SHADER_CAP_INTEGERS:
 367                 return 1;
 368         case PIPE_SHADER_CAP_FP16:
 369         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 370         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 371         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 372         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 373         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 374         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 375         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 376         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 377                 return 0;
 378         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 379         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 380                 return V3D_MAX_TEXTURE_SAMPLERS;
 381
 382         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 383                 if (screen->has_cache_flush) {
 384                         if (shader == PIPE_SHADER_VERTEX ||
 385                             shader == PIPE_SHADER_GEOMETRY) {
 386                                 return 0;
 387                         }
 388                         return PIPE_MAX_SHADER_BUFFERS;
 389                  } else {
 390                         return 0;
 391                  }
 392
 393         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 394                 if (screen->has_cache_flush) {
 395                         if (screen->devinfo.ver < 41)
 396                                 return 0;
 397                         else
 398                                 return PIPE_MAX_SHADER_IMAGES;
 399                 } else {
 400                         return 0;
 401                 }
 402
 403         case PIPE_SHADER_CAP_PREFERRED_IR:
 404                 return PIPE_SHADER_IR_NIR;
 405         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 406                 return 1 << PIPE_SHADER_IR_NIR;
 407         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 408                 return 32;
 409         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 410         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 411                 return 0;
 412         default:
 413                 fprintf(stderr, "unknown shader param %d\n", param);
 414                 return 0;
 415         }
 416         return 0;
 417 }
 418
 419 static int
 420 v3d_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
 421                       enum pipe_compute_cap param, void *ret)
 422 {
 423         struct v3d_screen *screen = v3d_screen(pscreen);
 424
 425         if (!screen->has_csd)
 426                 return 0;
 427
 428 #define RET(x) do {                                     \
 429                 if (ret)                                \
 430                         memcpy(ret, x, sizeof(x));      \
 431                 return sizeof(x);                       \
 432         } while (0)
 433
 434         switch (param) {
 435         case PIPE_COMPUTE_CAP_ADDRESS_BITS:
 436                 RET((uint32_t []) { 32 });
 437                 break;
 438
 439         case PIPE_COMPUTE_CAP_IR_TARGET:
 440                 sprintf(ret, "v3d");
 441                 return strlen(ret);
 442
 443         case PIPE_COMPUTE_CAP_GRID_DIMENSION:
 444                 RET((uint64_t []) { 3 });
 445
 446         case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
 447                 /* GL_MAX_COMPUTE_SHADER_WORK_GROUP_COUNT: The CSD has a
 448                  * 16-bit field for the number of workgroups in each
 449                  * dimension.
 450                  */
 451                 RET(((uint64_t []) { 65535, 65535, 65535 }));
 452
 453         case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
 454                 /* GL_MAX_COMPUTE_WORK_GROUP_SIZE */
 455                 RET(((uint64_t []) { 256, 256, 256 }));
 456
 457         case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
 458         case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
 459                 /* GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS: This is
 460                  * limited by WG_SIZE in the CSD.
 461                  */
 462                 RET((uint64_t []) { 256 });
 463
 464         case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
 465                 RET((uint64_t []) { 1024 * 1024 * 1024 });
 466
 467         case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
 468                 /* GL_MAX_COMPUTE_SHARED_MEMORY_SIZE */
 469                 RET((uint64_t []) { 32768 });
 470
 471         case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
 472         case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
 473                 RET((uint64_t []) { 4096 });
 474
 475         case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE: {
 476                 struct sysinfo si;
 477                 sysinfo(&si);
 478                 RET((uint64_t []) { si.totalram });
 479         }
 480
 481         case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
 482                 /* OpenCL only */
 483                 RET((uint32_t []) { 0 });
 484
 485         case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
 486                 RET((uint32_t []) { 1 });
 487
 488         case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
 489                 RET((uint32_t []) { 1 });
 490
 491         case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
 492                 RET((uint32_t []) { 16 });
 493
 494         }
 495
 496         return 0;
 497 }
 498
 499 static bool
 500 v3d_screen_is_format_supported(struct pipe_screen *pscreen,
 501                                enum pipe_format format,
 502                                enum pipe_texture_target target,
 503                                unsigned sample_count,
 504                                unsigned storage_sample_count,
 505                                unsigned usage)
 506 {
 507         struct v3d_screen *screen = v3d_screen(pscreen);
 508
 509         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 510                 return false;
 511
 512         if (sample_count > 1 && sample_count != V3D_MAX_SAMPLES)
 513                 return false;
 514
 515         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 516                 return false;
 517         }
 518
 519         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 520                 switch (format) {
 521                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 522                 case PIPE_FORMAT_R32G32B32_FLOAT:
 523                 case PIPE_FORMAT_R32G32_FLOAT:
 524                 case PIPE_FORMAT_R32_FLOAT:
 525                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 526                 case PIPE_FORMAT_R32G32B32_SNORM:
 527                 case PIPE_FORMAT_R32G32_SNORM:
 528                 case PIPE_FORMAT_R32_SNORM:
 529                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 530                 case PIPE_FORMAT_R32G32B32_SSCALED:
 531                 case PIPE_FORMAT_R32G32_SSCALED:
 532                 case PIPE_FORMAT_R32_SSCALED:
 533                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 534                 case PIPE_FORMAT_R16G16B16_UNORM:
 535                 case PIPE_FORMAT_R16G16_UNORM:
 536                 case PIPE_FORMAT_R16_UNORM:
 537                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 538                 case PIPE_FORMAT_R16G16B16_SNORM:
 539                 case PIPE_FORMAT_R16G16_SNORM:
 540                 case PIPE_FORMAT_R16_SNORM:
 541                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 542                 case PIPE_FORMAT_R16G16B16_USCALED:
 543                 case PIPE_FORMAT_R16G16_USCALED:
 544                 case PIPE_FORMAT_R16_USCALED:
 545                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 546                 case PIPE_FORMAT_R16G16B16_SSCALED:
 547                 case PIPE_FORMAT_R16G16_SSCALED:
 548                 case PIPE_FORMAT_R16_SSCALED:
 549                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 550                 case PIPE_FORMAT_R8G8B8_UNORM:
 551                 case PIPE_FORMAT_R8G8_UNORM:
 552                 case PIPE_FORMAT_R8_UNORM:
 553                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 554                 case PIPE_FORMAT_R8G8B8_SNORM:
 555                 case PIPE_FORMAT_R8G8_SNORM:
 556                 case PIPE_FORMAT_R8_SNORM:
 557                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 558                 case PIPE_FORMAT_R8G8B8_USCALED:
 559                 case PIPE_FORMAT_R8G8_USCALED:
 560                 case PIPE_FORMAT_R8_USCALED:
 561                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 562                 case PIPE_FORMAT_R8G8B8_SSCALED:
 563                 case PIPE_FORMAT_R8G8_SSCALED:
 564                 case PIPE_FORMAT_R8_SSCALED:
 565                 case PIPE_FORMAT_R10G10B10A2_UNORM:
 566                 case PIPE_FORMAT_B10G10R10A2_UNORM:
 567                 case PIPE_FORMAT_R10G10B10A2_SNORM:
 568                 case PIPE_FORMAT_B10G10R10A2_SNORM:
 569                 case PIPE_FORMAT_R10G10B10A2_USCALED:
 570                 case PIPE_FORMAT_B10G10R10A2_USCALED:
 571                 case PIPE_FORMAT_R10G10B10A2_SSCALED:
 572                 case PIPE_FORMAT_B10G10R10A2_SSCALED:
 573                         break;
 574                 default:
 575                         return false;
 576                 }
 577         }
 578
 579         /* FORMAT_NONE gets allowed for ARB_framebuffer_no_attachments's probe
 580          * of FRAMEBUFFER_MAX_SAMPLES
 581          */
 582         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 583             format != PIPE_FORMAT_NONE &&
 584             !v3d_rt_format_supported(&screen->devinfo, format)) {
 585                 return false;
 586         }
 587
 588         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 589             !v3d_tex_format_supported(&screen->devinfo, format)) {
 590                 return false;
 591         }
 592
 593         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 594             !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 595               format == PIPE_FORMAT_X8Z24_UNORM ||
 596               format == PIPE_FORMAT_Z16_UNORM ||
 597               format == PIPE_FORMAT_Z32_FLOAT ||
 598               format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 599                 return false;
 600         }
 601
 602         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 603             !(format == PIPE_FORMAT_I8_UINT ||
 604               format == PIPE_FORMAT_I16_UINT ||
 605               format == PIPE_FORMAT_I32_UINT)) {
 606                 return false;
 607         }
 608
 609         return true;
 610 }
 611
 612 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
 613
 614 static unsigned handle_hash(void *key)
 615 {
 616     return PTR_TO_UINT(key);
 617 }
 618
 619 static int handle_compare(void *key1, void *key2)
 620 {
 621     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 622 }
 623
 624 static const void *
 625 v3d_screen_get_compiler_options(struct pipe_screen *pscreen,
 626                                 enum pipe_shader_ir ir, unsigned shader)
 627 {
 628         return &v3d_nir_options;
 629 }
 630
 631 static void
 632 v3d_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 633                                   enum pipe_format format, int max,
 634                                   uint64_t *modifiers,
 635                                   unsigned int *external_only,
 636                                   int *count)
 637 {
 638         int i;
 639         uint64_t available_modifiers[] = {
 640                 DRM_FORMAT_MOD_BROADCOM_UIF,
 641                 DRM_FORMAT_MOD_LINEAR,
 642         };
 643         int num_modifiers = ARRAY_SIZE(available_modifiers);
 644
 645         if (!modifiers) {
 646                 *count = num_modifiers;
 647                 return;
 648         }
 649
 650         *count = MIN2(max, num_modifiers);
 651         for (i = 0; i < *count; i++) {
 652                 modifiers[i] = available_modifiers[i];
 653                 if (external_only)
 654                         external_only[i] = false;
 655        }
 656 }
 657
 658 struct pipe_screen *
 659 v3d_screen_create(int fd, const struct pipe_screen_config *config,
 660                   struct renderonly *ro)
 661 {
 662         struct v3d_screen *screen = rzalloc(NULL, struct v3d_screen);
 663         struct pipe_screen *pscreen;
 664
 665         pscreen = &screen->base;
 666
 667         pscreen->destroy = v3d_screen_destroy;
 668         pscreen->get_param = v3d_screen_get_param;
 669         pscreen->get_paramf = v3d_screen_get_paramf;
 670         pscreen->get_shader_param = v3d_screen_get_shader_param;
 671         pscreen->get_compute_param = v3d_get_compute_param;
 672         pscreen->context_create = v3d_context_create;
 673         pscreen->is_format_supported = v3d_screen_is_format_supported;
 674
 675         screen->fd = fd;
 676         if (ro) {
 677                 screen->ro = renderonly_dup(ro);
 678                 if (!screen->ro) {
 679                         fprintf(stderr, "Failed to dup renderonly object\n");
 680                         ralloc_free(screen);
 681                         return NULL;
 682                 }
 683         }
 684         list_inithead(&screen->bo_cache.time_list);
 685         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 686         screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 687
 688 #if defined(USE_V3D_SIMULATOR)
 689         v3d_simulator_init(screen);
 690 #endif
 691
 692         if (!v3d_get_device_info(screen->fd, &screen->devinfo, &v3d_ioctl))
 693                 goto fail;
 694
 695         /* We have to driCheckOption for the simulator mode to not assertion
 696          * fail on not having our XML config.
 697          */
 698         const char *nonmsaa_name = "v3d_nonmsaa_texture_size_limit";
 699         screen->nonmsaa_texture_size_limit =
 700                 driCheckOption(config->options, nonmsaa_name, DRI_BOOL) &&
 701                 driQueryOptionb(config->options, nonmsaa_name);
 702
 703         slab_create_parent(&screen->transfer_pool, sizeof(struct v3d_transfer), 16);
 704
 705         screen->has_csd = v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_CSD);
 706         screen->has_cache_flush =
 707                 v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_CACHE_FLUSH);
 708
 709         v3d_fence_init(screen);
 710
 711         v3d_process_debug_variable();
 712
 713         v3d_resource_screen_init(pscreen);
 714
 715         screen->compiler = v3d_compiler_init(&screen->devinfo);
 716
 717         pscreen->get_name = v3d_screen_get_name;
 718         pscreen->get_vendor = v3d_screen_get_vendor;
 719         pscreen->get_device_vendor = v3d_screen_get_vendor;
 720         pscreen->get_compiler_options = v3d_screen_get_compiler_options;
 721         pscreen->query_dmabuf_modifiers = v3d_screen_query_dmabuf_modifiers;
 722
 723         return pscreen;
 724
 725 fail:
 726         close(fd);
 727         ralloc_free(pscreen);
 728         return NULL;
 729 }