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/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         case PIPE_CAP_ALPHA_TEST:
 255                 return 0;
 256
 257         default:
 258                 return u_pipe_screen_get_param_defaults(pscreen, param);
 259         }
 260 }
 261
 262 static float
 263 v3d_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 264 {
 265         switch (param) {
 266         case PIPE_CAPF_MAX_LINE_WIDTH:
 267         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 268                 return 32;
 269
 270         case PIPE_CAPF_MAX_POINT_WIDTH:
 271         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 272                 return 512.0f;
 273
 274         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 275                 return 0.0f;
 276         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 277                 return 16.0f;
 278
 279         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 280         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 281         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 282                 return 0.0f;
 283         default:
 284                 fprintf(stderr, "unknown paramf %d\n", param);
 285                 return 0;
 286         }
 287 }
 288
 289 static int
 290 v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 291                            enum pipe_shader_cap param)
 292 {
 293         struct v3d_screen *screen = v3d_screen(pscreen);
 294
 295         switch (shader) {
 296         case PIPE_SHADER_VERTEX:
 297         case PIPE_SHADER_FRAGMENT:
 298                 break;
 299         case PIPE_SHADER_COMPUTE:
 300                 if (!screen->has_csd)
 301                         return 0;
 302                 break;
 303         default:
 304                 return 0;
 305         }
 306
 307         /* this is probably not totally correct.. but it's a start: */
 308         switch (param) {
 309         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 310         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 311         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 312         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 313                 return 16384;
 314
 315         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 316                 return UINT_MAX;
 317
 318         case PIPE_SHADER_CAP_MAX_INPUTS:
 319                 if (shader == PIPE_SHADER_FRAGMENT)
 320                         return V3D_MAX_FS_INPUTS / 4;
 321                 else
 322                         return V3D_MAX_VS_INPUTS / 4;
 323         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 324                 if (shader == PIPE_SHADER_FRAGMENT)
 325                         return 4;
 326                 else
 327                         return V3D_MAX_FS_INPUTS / 4;
 328         case PIPE_SHADER_CAP_MAX_TEMPS:
 329                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 330         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 331                 /* Note: Limited by the offset size in
 332                  * v3d_unit_data_create().
 333                  */
 334                 return 16 * 1024 * sizeof(float);
 335         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 336                 return 16;
 337         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 338                 return 0;
 339         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 340         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 341                 return 0;
 342         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 343                 return 1;
 344         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 345                 return 1;
 346         case PIPE_SHADER_CAP_SUBROUTINES:
 347                 return 0;
 348         case PIPE_SHADER_CAP_INTEGERS:
 349                 return 1;
 350         case PIPE_SHADER_CAP_FP16:
 351         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 352         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 353         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 354         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 355         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 356         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 357         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 358         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 359                 return 0;
 360         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 361         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 362                 return V3D_MAX_TEXTURE_SAMPLERS;
 363
 364         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 365                 if (screen->has_cache_flush) {
 366                         if (shader == PIPE_SHADER_VERTEX)
 367                                 return 0;
 368
 369                         return PIPE_MAX_SHADER_BUFFERS;
 370                  } else {
 371                         return 0;
 372                  }
 373
 374         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 375                 if (screen->has_cache_flush) {
 376                         if (screen->devinfo.ver < 41)
 377                                 return 0;
 378                         else
 379                                 return PIPE_MAX_SHADER_IMAGES;
 380                 } else {
 381                         return 0;
 382                 }
 383
 384         case PIPE_SHADER_CAP_PREFERRED_IR:
 385                 return PIPE_SHADER_IR_NIR;
 386         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 387                 return 1 << PIPE_SHADER_IR_NIR;
 388         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 389                 return 32;
 390         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 391         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 392                 return 0;
 393         default:
 394                 fprintf(stderr, "unknown shader param %d\n", param);
 395                 return 0;
 396         }
 397         return 0;
 398 }
 399
 400 static int
 401 v3d_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
 402                       enum pipe_compute_cap param, void *ret)
 403 {
 404         struct v3d_screen *screen = v3d_screen(pscreen);
 405
 406         if (!screen->has_csd)
 407                 return 0;
 408
 409 #define RET(x) do {                                     \
 410                 if (ret)                                \
 411                         memcpy(ret, x, sizeof(x));      \
 412                 return sizeof(x);                       \
 413         } while (0)
 414
 415         switch (param) {
 416         case PIPE_COMPUTE_CAP_ADDRESS_BITS:
 417                 RET((uint32_t []) { 32 });
 418                 break;
 419
 420         case PIPE_COMPUTE_CAP_IR_TARGET:
 421                 sprintf(ret, "v3d");
 422                 return strlen(ret);
 423
 424         case PIPE_COMPUTE_CAP_GRID_DIMENSION:
 425                 RET((uint64_t []) { 3 });
 426
 427         case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
 428                 /* GL_MAX_COMPUTE_SHADER_WORK_GROUP_COUNT: The CSD has a
 429                  * 16-bit field for the number of workgroups in each
 430                  * dimension.
 431                  */
 432                 RET(((uint64_t []) { 65535, 65535, 65535 }));
 433
 434         case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
 435                 /* GL_MAX_COMPUTE_WORK_GROUP_SIZE */
 436                 RET(((uint64_t []) { 256, 256, 256 }));
 437
 438         case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
 439         case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
 440                 /* GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS: This is
 441                  * limited by WG_SIZE in the CSD.
 442                  */
 443                 RET((uint64_t []) { 256 });
 444
 445         case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
 446                 RET((uint64_t []) { 1024 * 1024 * 1024 });
 447
 448         case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
 449                 /* GL_MAX_COMPUTE_SHARED_MEMORY_SIZE */
 450                 RET((uint64_t []) { 32768 });
 451
 452         case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
 453         case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
 454                 RET((uint64_t []) { 4096 });
 455
 456         case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE: {
 457                 struct sysinfo si;
 458                 sysinfo(&si);
 459                 RET((uint64_t []) { si.totalram });
 460         }
 461
 462         case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
 463                 /* OpenCL only */
 464                 RET((uint32_t []) { 0 });
 465
 466         case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
 467                 RET((uint32_t []) { 1 });
 468
 469         case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
 470                 RET((uint32_t []) { 1 });
 471
 472         case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
 473                 RET((uint32_t []) { 16 });
 474
 475         }
 476
 477         return 0;
 478 }
 479
 480 static bool
 481 v3d_screen_is_format_supported(struct pipe_screen *pscreen,
 482                                enum pipe_format format,
 483                                enum pipe_texture_target target,
 484                                unsigned sample_count,
 485                                unsigned storage_sample_count,
 486                                unsigned usage)
 487 {
 488         struct v3d_screen *screen = v3d_screen(pscreen);
 489
 490         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 491                 return false;
 492
 493         if (sample_count > 1 && sample_count != V3D_MAX_SAMPLES)
 494                 return false;
 495
 496         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 497                 return false;
 498         }
 499
 500         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 501                 switch (format) {
 502                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 503                 case PIPE_FORMAT_R32G32B32_FLOAT:
 504                 case PIPE_FORMAT_R32G32_FLOAT:
 505                 case PIPE_FORMAT_R32_FLOAT:
 506                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 507                 case PIPE_FORMAT_R32G32B32_SNORM:
 508                 case PIPE_FORMAT_R32G32_SNORM:
 509                 case PIPE_FORMAT_R32_SNORM:
 510                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 511                 case PIPE_FORMAT_R32G32B32_SSCALED:
 512                 case PIPE_FORMAT_R32G32_SSCALED:
 513                 case PIPE_FORMAT_R32_SSCALED:
 514                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 515                 case PIPE_FORMAT_R16G16B16_UNORM:
 516                 case PIPE_FORMAT_R16G16_UNORM:
 517                 case PIPE_FORMAT_R16_UNORM:
 518                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 519                 case PIPE_FORMAT_R16G16B16_SNORM:
 520                 case PIPE_FORMAT_R16G16_SNORM:
 521                 case PIPE_FORMAT_R16_SNORM:
 522                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 523                 case PIPE_FORMAT_R16G16B16_USCALED:
 524                 case PIPE_FORMAT_R16G16_USCALED:
 525                 case PIPE_FORMAT_R16_USCALED:
 526                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 527                 case PIPE_FORMAT_R16G16B16_SSCALED:
 528                 case PIPE_FORMAT_R16G16_SSCALED:
 529                 case PIPE_FORMAT_R16_SSCALED:
 530                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 531                 case PIPE_FORMAT_R8G8B8_UNORM:
 532                 case PIPE_FORMAT_R8G8_UNORM:
 533                 case PIPE_FORMAT_R8_UNORM:
 534                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 535                 case PIPE_FORMAT_R8G8B8_SNORM:
 536                 case PIPE_FORMAT_R8G8_SNORM:
 537                 case PIPE_FORMAT_R8_SNORM:
 538                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 539                 case PIPE_FORMAT_R8G8B8_USCALED:
 540                 case PIPE_FORMAT_R8G8_USCALED:
 541                 case PIPE_FORMAT_R8_USCALED:
 542                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 543                 case PIPE_FORMAT_R8G8B8_SSCALED:
 544                 case PIPE_FORMAT_R8G8_SSCALED:
 545                 case PIPE_FORMAT_R8_SSCALED:
 546                 case PIPE_FORMAT_R10G10B10A2_UNORM:
 547                 case PIPE_FORMAT_B10G10R10A2_UNORM:
 548                 case PIPE_FORMAT_R10G10B10A2_SNORM:
 549                 case PIPE_FORMAT_B10G10R10A2_SNORM:
 550                 case PIPE_FORMAT_R10G10B10A2_USCALED:
 551                 case PIPE_FORMAT_B10G10R10A2_USCALED:
 552                 case PIPE_FORMAT_R10G10B10A2_SSCALED:
 553                 case PIPE_FORMAT_B10G10R10A2_SSCALED:
 554                         break;
 555                 default:
 556                         return false;
 557                 }
 558         }
 559
 560         /* FORMAT_NONE gets allowed for ARB_framebuffer_no_attachments's probe
 561          * of FRAMEBUFFER_MAX_SAMPLES
 562          */
 563         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 564             format != PIPE_FORMAT_NONE &&
 565             !v3d_rt_format_supported(&screen->devinfo, format)) {
 566                 return false;
 567         }
 568
 569         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 570             !v3d_tex_format_supported(&screen->devinfo, format)) {
 571                 return false;
 572         }
 573
 574         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 575             !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 576               format == PIPE_FORMAT_X8Z24_UNORM ||
 577               format == PIPE_FORMAT_Z16_UNORM ||
 578               format == PIPE_FORMAT_Z32_FLOAT ||
 579               format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 580                 return false;
 581         }
 582
 583         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 584             !(format == PIPE_FORMAT_I8_UINT ||
 585               format == PIPE_FORMAT_I16_UINT ||
 586               format == PIPE_FORMAT_I32_UINT)) {
 587                 return false;
 588         }
 589
 590         return true;
 591 }
 592
 593 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
 594
 595 static unsigned handle_hash(void *key)
 596 {
 597     return PTR_TO_UINT(key);
 598 }
 599
 600 static int handle_compare(void *key1, void *key2)
 601 {
 602     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 603 }
 604
 605 static const void *
 606 v3d_screen_get_compiler_options(struct pipe_screen *pscreen,
 607                                 enum pipe_shader_ir ir, unsigned shader)
 608 {
 609         return &v3d_nir_options;
 610 }
 611
 612 static void
 613 v3d_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 614                                   enum pipe_format format, int max,
 615                                   uint64_t *modifiers,
 616                                   unsigned int *external_only,
 617                                   int *count)
 618 {
 619         int i;
 620         uint64_t available_modifiers[] = {
 621                 DRM_FORMAT_MOD_BROADCOM_UIF,
 622                 DRM_FORMAT_MOD_LINEAR,
 623         };
 624         int num_modifiers = ARRAY_SIZE(available_modifiers);
 625
 626         if (!modifiers) {
 627                 *count = num_modifiers;
 628                 return;
 629         }
 630
 631         *count = MIN2(max, num_modifiers);
 632         for (i = 0; i < *count; i++) {
 633                 modifiers[i] = available_modifiers[i];
 634                 if (external_only)
 635                         external_only[i] = false;
 636        }
 637 }
 638
 639 struct pipe_screen *
 640 v3d_screen_create(int fd, const struct pipe_screen_config *config,
 641                   struct renderonly *ro)
 642 {
 643         struct v3d_screen *screen = rzalloc(NULL, struct v3d_screen);
 644         struct pipe_screen *pscreen;
 645
 646         pscreen = &screen->base;
 647
 648         pscreen->destroy = v3d_screen_destroy;
 649         pscreen->get_param = v3d_screen_get_param;
 650         pscreen->get_paramf = v3d_screen_get_paramf;
 651         pscreen->get_shader_param = v3d_screen_get_shader_param;
 652         pscreen->get_compute_param = v3d_get_compute_param;
 653         pscreen->context_create = v3d_context_create;
 654         pscreen->is_format_supported = v3d_screen_is_format_supported;
 655
 656         screen->fd = fd;
 657         if (ro) {
 658                 screen->ro = renderonly_dup(ro);
 659                 if (!screen->ro) {
 660                         fprintf(stderr, "Failed to dup renderonly object\n");
 661                         ralloc_free(screen);
 662                         return NULL;
 663                 }
 664         }
 665         list_inithead(&screen->bo_cache.time_list);
 666         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 667         screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 668
 669 #if defined(USE_V3D_SIMULATOR)
 670         v3d_simulator_init(screen);
 671 #endif
 672
 673         if (!v3d_get_device_info(screen->fd, &screen->devinfo, &v3d_ioctl))
 674                 goto fail;
 675
 676         /* We have to driCheckOption for the simulator mode to not assertion
 677          * fail on not having our XML config.
 678          */
 679         const char *nonmsaa_name = "v3d_nonmsaa_texture_size_limit";
 680         screen->nonmsaa_texture_size_limit =
 681                 driCheckOption(config->options, nonmsaa_name, DRI_BOOL) &&
 682                 driQueryOptionb(config->options, nonmsaa_name);
 683
 684         slab_create_parent(&screen->transfer_pool, sizeof(struct v3d_transfer), 16);
 685
 686         screen->has_csd = v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_CSD);
 687         screen->has_cache_flush =
 688                 v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_CACHE_FLUSH);
 689
 690         v3d_fence_init(screen);
 691
 692         v3d_process_debug_variable();
 693
 694         v3d_resource_screen_init(pscreen);
 695
 696         screen->compiler = v3d_compiler_init(&screen->devinfo);
 697
 698         pscreen->get_name = v3d_screen_get_name;
 699         pscreen->get_vendor = v3d_screen_get_vendor;
 700         pscreen->get_device_vendor = v3d_screen_get_vendor;
 701         pscreen->get_compiler_options = v3d_screen_get_compiler_options;
 702         pscreen->query_dmabuf_modifiers = v3d_screen_query_dmabuf_modifiers;
 703
 704         return pscreen;
 705
 706 fail:
 707         close(fd);
 708         ralloc_free(pscreen);
 709         return NULL;
 710 }