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->sim_file);
  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         case PIPE_CAP_TGSI_TEXCOORD:
 140                 return 1;
 141
 142         case PIPE_CAP_TEXTURE_QUERY_LOD:
 143                 return screen->devinfo.ver >= 42;
 144                 break;
 145
 146         case PIPE_CAP_PACKED_UNIFORMS:
 147                 /* We can't enable this flag, because it results in load_ubo
 148                  * intrinsics across a 16b boundary, but v3d's TMU general
 149                  * memory accesses wrap on 16b boundaries.
 150                  */
 151                 return 0;
 152
 153         case PIPE_CAP_NIR_IMAGES_AS_DEREF:
 154                 return 0;
 155
 156         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 157                 /* XXX perf: we don't want to emit these extra blits for
 158                  * glReadPixels(), since we still have to do an uncached read
 159                  * from the GPU of the result after waiting for the TFU blit
 160                  * to happen.  However, disabling this introduces instability
 161                  * in
 162                  * dEQP-GLES31.functional.image_load_store.early_fragment_tests.*
 163                  * and corruption in chromium's rendering.
 164                  */
 165                 return 1;
 166
 167         case PIPE_CAP_COMPUTE:
 168                 return screen->has_csd && screen->devinfo.ver >= 41;
 169
 170         case PIPE_CAP_GENERATE_MIPMAP:
 171                 return v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_TFU);
 172
 173         case PIPE_CAP_INDEP_BLEND_ENABLE:
 174                 return screen->devinfo.ver >= 40;
 175
 176         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 177                 return 256;
 178
 179         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 180                 if (screen->devinfo.ver < 40)
 181                         return 0;
 182                 return 4;
 183
 184         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 185                 if (screen->has_cache_flush)
 186                         return 4;
 187                 else
 188                         return 0; /* Disables shader storage */
 189
 190         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 191                 return 330;
 192
 193         case PIPE_CAP_ESSL_FEATURE_LEVEL:
 194                 return 310;
 195
 196         case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 197                 return 140;
 198
 199         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 200                 return 1;
 201         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 202                 return 0;
 203         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 204                 if (screen->devinfo.ver >= 40)
 205                         return 0;
 206                 else
 207                         return 1;
 208         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 209                 if (screen->devinfo.ver >= 40)
 210                         return 1;
 211                 else
 212                         return 0;
 213
 214         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 215         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 216         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 217                 return 1;
 218
 219         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 220                 return 4;
 221
 222         case PIPE_CAP_MAX_VARYINGS:
 223                 return V3D_MAX_FS_INPUTS / 4;
 224
 225                 /* Texturing. */
 226         case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 227                 if (screen->devinfo.ver < 40)
 228                         return 2048;
 229                 else if (screen->nonmsaa_texture_size_limit)
 230                         return 7680;
 231                 else
 232                         return 4096;
 233         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 234         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 235                 if (screen->devinfo.ver < 40)
 236                         return 12;
 237                 else
 238                         return V3D_MAX_MIP_LEVELS;
 239         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 240                 return 2048;
 241
 242                 /* Render targets. */
 243         case PIPE_CAP_MAX_RENDER_TARGETS:
 244                 return 4;
 245
 246         case PIPE_CAP_VENDOR_ID:
 247                 return 0x14E4;
 248         case PIPE_CAP_ACCELERATED:
 249                 return 1;
 250         case PIPE_CAP_VIDEO_MEMORY: {
 251                 uint64_t system_memory;
 252
 253                 if (!os_get_total_physical_memory(&system_memory))
 254                         return 0;
 255
 256                 return (int)(system_memory >> 20);
 257         }
 258         case PIPE_CAP_UMA:
 259                 return 1;
 260
 261         /* Geometry shaders */
 262         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 263                 /* Minimum required by GLES 3.2 */
 264                 return 1024;
 265         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 266                 /* MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS / 4 */
 267                 return 256;
 268         case PIPE_CAP_MAX_GS_INVOCATIONS:
 269                 return 32;
 270
 271         default:
 272                 return u_pipe_screen_get_param_defaults(pscreen, param);
 273         }
 274 }
 275
 276 static float
 277 v3d_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 278 {
 279         switch (param) {
 280         case PIPE_CAPF_MAX_LINE_WIDTH:
 281         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 282                 return 32;
 283
 284         case PIPE_CAPF_MAX_POINT_WIDTH:
 285         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 286                 return 512.0f;
 287
 288         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 289                 return 0.0f;
 290         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 291                 return 16.0f;
 292
 293         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 294         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 295         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 296                 return 0.0f;
 297         default:
 298                 fprintf(stderr, "unknown paramf %d\n", param);
 299                 return 0;
 300         }
 301 }
 302
 303 static int
 304 v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 305                            enum pipe_shader_cap param)
 306 {
 307         struct v3d_screen *screen = v3d_screen(pscreen);
 308
 309         switch (shader) {
 310         case PIPE_SHADER_VERTEX:
 311         case PIPE_SHADER_FRAGMENT:
 312                 break;
 313         case PIPE_SHADER_COMPUTE:
 314                 if (!screen->has_csd)
 315                         return 0;
 316                 break;
 317         case PIPE_SHADER_GEOMETRY:
 318                 if (screen->devinfo.ver < 41)
 319                         return 0;
 320                 break;
 321         default:
 322                 return 0;
 323         }
 324
 325         /* this is probably not totally correct.. but it's a start: */
 326         switch (param) {
 327         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 328         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 329         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 330         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 331                 return 16384;
 332
 333         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 334                 return UINT_MAX;
 335
 336         case PIPE_SHADER_CAP_MAX_INPUTS:
 337                 switch (shader) {
 338                 case PIPE_SHADER_VERTEX:
 339                         return V3D_MAX_VS_INPUTS / 4;
 340                 case PIPE_SHADER_GEOMETRY:
 341                         return V3D_MAX_GS_INPUTS / 4;
 342                 case PIPE_SHADER_FRAGMENT:
 343                         return V3D_MAX_FS_INPUTS / 4;
 344                 default:
 345                         return 0;
 346                 };
 347         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 348                 if (shader == PIPE_SHADER_FRAGMENT)
 349                         return 4;
 350                 else
 351                         return V3D_MAX_FS_INPUTS / 4;
 352         case PIPE_SHADER_CAP_MAX_TEMPS:
 353                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 354         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 355                 /* Note: Limited by the offset size in
 356                  * v3d_unit_data_create().
 357                  */
 358                 return 16 * 1024 * sizeof(float);
 359         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 360                 return 16;
 361         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 362                 return 0;
 363         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 364                 return 1;
 365         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 366                 return 0;
 367         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 368                 return 1;
 369         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 370                 return 1;
 371         case PIPE_SHADER_CAP_SUBROUTINES:
 372                 return 0;
 373         case PIPE_SHADER_CAP_INTEGERS:
 374                 return 1;
 375         case PIPE_SHADER_CAP_FP16:
 376         case PIPE_SHADER_CAP_FP16_DERIVATIVES:
 377         case PIPE_SHADER_CAP_INT16:
 378         case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS:
 379         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 380         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 381         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 382         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 383         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 384         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 385         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 386         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 387                 return 0;
 388         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 389         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 390                 return V3D_MAX_TEXTURE_SAMPLERS;
 391
 392         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 393                 if (screen->has_cache_flush) {
 394                         if (shader == PIPE_SHADER_VERTEX ||
 395                             shader == PIPE_SHADER_GEOMETRY) {
 396                                 return 0;
 397                         }
 398                         return PIPE_MAX_SHADER_BUFFERS;
 399                  } else {
 400                         return 0;
 401                  }
 402
 403         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 404                 if (screen->has_cache_flush) {
 405                         if (screen->devinfo.ver < 41)
 406                                 return 0;
 407                         else
 408                                 return PIPE_MAX_SHADER_IMAGES;
 409                 } else {
 410                         return 0;
 411                 }
 412
 413         case PIPE_SHADER_CAP_PREFERRED_IR:
 414                 return PIPE_SHADER_IR_NIR;
 415         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 416                 return 1 << PIPE_SHADER_IR_NIR;
 417         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 418                 return 32;
 419         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 420         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 421                 return 0;
 422         default:
 423                 fprintf(stderr, "unknown shader param %d\n", param);
 424                 return 0;
 425         }
 426         return 0;
 427 }
 428
 429 static int
 430 v3d_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
 431                       enum pipe_compute_cap param, void *ret)
 432 {
 433         struct v3d_screen *screen = v3d_screen(pscreen);
 434
 435         if (!screen->has_csd)
 436                 return 0;
 437
 438 #define RET(x) do {                                     \
 439                 if (ret)                                \
 440                         memcpy(ret, x, sizeof(x));      \
 441                 return sizeof(x);                       \
 442         } while (0)
 443
 444         switch (param) {
 445         case PIPE_COMPUTE_CAP_ADDRESS_BITS:
 446                 RET((uint32_t []) { 32 });
 447                 break;
 448
 449         case PIPE_COMPUTE_CAP_IR_TARGET:
 450                 sprintf(ret, "v3d");
 451                 return strlen(ret);
 452
 453         case PIPE_COMPUTE_CAP_GRID_DIMENSION:
 454                 RET((uint64_t []) { 3 });
 455
 456         case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
 457                 /* GL_MAX_COMPUTE_SHADER_WORK_GROUP_COUNT: The CSD has a
 458                  * 16-bit field for the number of workgroups in each
 459                  * dimension.
 460                  */
 461                 RET(((uint64_t []) { 65535, 65535, 65535 }));
 462
 463         case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
 464                 /* GL_MAX_COMPUTE_WORK_GROUP_SIZE */
 465                 RET(((uint64_t []) { 256, 256, 256 }));
 466
 467         case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
 468         case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
 469                 /* GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS: This is
 470                  * limited by WG_SIZE in the CSD.
 471                  */
 472                 RET((uint64_t []) { 256 });
 473
 474         case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
 475                 RET((uint64_t []) { 1024 * 1024 * 1024 });
 476
 477         case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
 478                 /* GL_MAX_COMPUTE_SHARED_MEMORY_SIZE */
 479                 RET((uint64_t []) { 32768 });
 480
 481         case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
 482         case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
 483                 RET((uint64_t []) { 4096 });
 484
 485         case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE: {
 486                 struct sysinfo si;
 487                 sysinfo(&si);
 488                 RET((uint64_t []) { si.totalram });
 489         }
 490
 491         case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
 492                 /* OpenCL only */
 493                 RET((uint32_t []) { 0 });
 494
 495         case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
 496                 RET((uint32_t []) { 1 });
 497
 498         case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
 499                 RET((uint32_t []) { 1 });
 500
 501         case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
 502                 RET((uint32_t []) { 16 });
 503
 504         }
 505
 506         return 0;
 507 }
 508
 509 static bool
 510 v3d_screen_is_format_supported(struct pipe_screen *pscreen,
 511                                enum pipe_format format,
 512                                enum pipe_texture_target target,
 513                                unsigned sample_count,
 514                                unsigned storage_sample_count,
 515                                unsigned usage)
 516 {
 517         struct v3d_screen *screen = v3d_screen(pscreen);
 518
 519         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 520                 return false;
 521
 522         if (sample_count > 1 && sample_count != V3D_MAX_SAMPLES)
 523                 return false;
 524
 525         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 526                 return false;
 527         }
 528
 529         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 530                 switch (format) {
 531                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 532                 case PIPE_FORMAT_R32G32B32_FLOAT:
 533                 case PIPE_FORMAT_R32G32_FLOAT:
 534                 case PIPE_FORMAT_R32_FLOAT:
 535                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 536                 case PIPE_FORMAT_R32G32B32_SNORM:
 537                 case PIPE_FORMAT_R32G32_SNORM:
 538                 case PIPE_FORMAT_R32_SNORM:
 539                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 540                 case PIPE_FORMAT_R32G32B32_SSCALED:
 541                 case PIPE_FORMAT_R32G32_SSCALED:
 542                 case PIPE_FORMAT_R32_SSCALED:
 543                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 544                 case PIPE_FORMAT_R16G16B16_UNORM:
 545                 case PIPE_FORMAT_R16G16_UNORM:
 546                 case PIPE_FORMAT_R16_UNORM:
 547                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 548                 case PIPE_FORMAT_R16G16B16_SNORM:
 549                 case PIPE_FORMAT_R16G16_SNORM:
 550                 case PIPE_FORMAT_R16_SNORM:
 551                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 552                 case PIPE_FORMAT_R16G16B16_USCALED:
 553                 case PIPE_FORMAT_R16G16_USCALED:
 554                 case PIPE_FORMAT_R16_USCALED:
 555                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 556                 case PIPE_FORMAT_R16G16B16_SSCALED:
 557                 case PIPE_FORMAT_R16G16_SSCALED:
 558                 case PIPE_FORMAT_R16_SSCALED:
 559                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 560                 case PIPE_FORMAT_R8G8B8_UNORM:
 561                 case PIPE_FORMAT_R8G8_UNORM:
 562                 case PIPE_FORMAT_R8_UNORM:
 563                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 564                 case PIPE_FORMAT_R8G8B8_SNORM:
 565                 case PIPE_FORMAT_R8G8_SNORM:
 566                 case PIPE_FORMAT_R8_SNORM:
 567                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 568                 case PIPE_FORMAT_R8G8B8_USCALED:
 569                 case PIPE_FORMAT_R8G8_USCALED:
 570                 case PIPE_FORMAT_R8_USCALED:
 571                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 572                 case PIPE_FORMAT_R8G8B8_SSCALED:
 573                 case PIPE_FORMAT_R8G8_SSCALED:
 574                 case PIPE_FORMAT_R8_SSCALED:
 575                 case PIPE_FORMAT_R10G10B10A2_UNORM:
 576                 case PIPE_FORMAT_B10G10R10A2_UNORM:
 577                 case PIPE_FORMAT_R10G10B10A2_SNORM:
 578                 case PIPE_FORMAT_B10G10R10A2_SNORM:
 579                 case PIPE_FORMAT_R10G10B10A2_USCALED:
 580                 case PIPE_FORMAT_B10G10R10A2_USCALED:
 581                 case PIPE_FORMAT_R10G10B10A2_SSCALED:
 582                 case PIPE_FORMAT_B10G10R10A2_SSCALED:
 583                         break;
 584                 default:
 585                         return false;
 586                 }
 587         }
 588
 589         /* FORMAT_NONE gets allowed for ARB_framebuffer_no_attachments's probe
 590          * of FRAMEBUFFER_MAX_SAMPLES
 591          */
 592         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 593             format != PIPE_FORMAT_NONE &&
 594             !v3d_rt_format_supported(&screen->devinfo, format)) {
 595                 return false;
 596         }
 597
 598         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 599             !v3d_tex_format_supported(&screen->devinfo, format)) {
 600                 return false;
 601         }
 602
 603         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 604             !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 605               format == PIPE_FORMAT_X8Z24_UNORM ||
 606               format == PIPE_FORMAT_Z16_UNORM ||
 607               format == PIPE_FORMAT_Z32_FLOAT ||
 608               format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 609                 return false;
 610         }
 611
 612         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 613             !(format == PIPE_FORMAT_I8_UINT ||
 614               format == PIPE_FORMAT_I16_UINT ||
 615               format == PIPE_FORMAT_I32_UINT)) {
 616                 return false;
 617         }
 618
 619         return true;
 620 }
 621
 622 static const void *
 623 v3d_screen_get_compiler_options(struct pipe_screen *pscreen,
 624                                 enum pipe_shader_ir ir, unsigned shader)
 625 {
 626         return &v3d_nir_options;
 627 }
 628
 629 static void
 630 v3d_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 631                                   enum pipe_format format, int max,
 632                                   uint64_t *modifiers,
 633                                   unsigned int *external_only,
 634                                   int *count)
 635 {
 636         int i;
 637         uint64_t available_modifiers[] = {
 638                 DRM_FORMAT_MOD_BROADCOM_UIF,
 639                 DRM_FORMAT_MOD_LINEAR,
 640         };
 641         int num_modifiers = ARRAY_SIZE(available_modifiers);
 642
 643         if (!modifiers) {
 644                 *count = num_modifiers;
 645                 return;
 646         }
 647
 648         *count = MIN2(max, num_modifiers);
 649         for (i = 0; i < *count; i++) {
 650                 modifiers[i] = available_modifiers[i];
 651                 if (external_only)
 652                         external_only[i] = false;
 653        }
 654 }
 655
 656 struct pipe_screen *
 657 v3d_screen_create(int fd, const struct pipe_screen_config *config,
 658                   struct renderonly *ro)
 659 {
 660         struct v3d_screen *screen = rzalloc(NULL, struct v3d_screen);
 661         struct pipe_screen *pscreen;
 662
 663         pscreen = &screen->base;
 664
 665         pscreen->destroy = v3d_screen_destroy;
 666         pscreen->get_param = v3d_screen_get_param;
 667         pscreen->get_paramf = v3d_screen_get_paramf;
 668         pscreen->get_shader_param = v3d_screen_get_shader_param;
 669         pscreen->get_compute_param = v3d_get_compute_param;
 670         pscreen->context_create = v3d_context_create;
 671         pscreen->is_format_supported = v3d_screen_is_format_supported;
 672
 673         screen->fd = fd;
 674         if (ro) {
 675                 screen->ro = renderonly_dup(ro);
 676                 if (!screen->ro) {
 677                         fprintf(stderr, "Failed to dup renderonly object\n");
 678                         ralloc_free(screen);
 679                         return NULL;
 680                 }
 681         }
 682         list_inithead(&screen->bo_cache.time_list);
 683         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 684         screen->bo_handles = util_hash_table_create_ptr_keys();
 685
 686 #if defined(USE_V3D_SIMULATOR)
 687         screen->sim_file = v3d_simulator_init(screen->fd);
 688 #endif
 689
 690         if (!v3d_get_device_info(screen->fd, &screen->devinfo, &v3d_ioctl))
 691                 goto fail;
 692
 693         /* We have to driCheckOption for the simulator mode to not assertion
 694          * fail on not having our XML config.
 695          */
 696         const char *nonmsaa_name = "v3d_nonmsaa_texture_size_limit";
 697         screen->nonmsaa_texture_size_limit =
 698                 driCheckOption(config->options, nonmsaa_name, DRI_BOOL) &&
 699                 driQueryOptionb(config->options, nonmsaa_name);
 700
 701         slab_create_parent(&screen->transfer_pool, sizeof(struct v3d_transfer), 16);
 702
 703         screen->has_csd = v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_CSD);
 704         screen->has_cache_flush =
 705                 v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_CACHE_FLUSH);
 706
 707         v3d_fence_init(screen);
 708
 709         v3d_process_debug_variable();
 710
 711         v3d_resource_screen_init(pscreen);
 712
 713         screen->compiler = v3d_compiler_init(&screen->devinfo);
 714
 715         pscreen->get_name = v3d_screen_get_name;
 716         pscreen->get_vendor = v3d_screen_get_vendor;
 717         pscreen->get_device_vendor = v3d_screen_get_vendor;
 718         pscreen->get_compiler_options = v3d_screen_get_compiler_options;
 719         pscreen->query_dmabuf_modifiers = v3d_screen_query_dmabuf_modifiers;
 720
 721         return pscreen;
 722
 723 fail:
 724         close(fd);
 725         ralloc_free(pscreen);
 726         return NULL;
 727 }