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 "util/os_misc.h"
  28 #include "pipe/p_defines.h"
  29 #include "pipe/p_screen.h"
  30 #include "pipe/p_state.h"
  31
  32 #include "util/u_debug.h"
  33 #include "util/u_memory.h"
  34 #include "util/u_format.h"
  35 #include "util/u_hash_table.h"
  36 #include "util/u_screen.h"
  37 #include "util/u_transfer_helper.h"
  38 #include "util/ralloc.h"
  39 #include "util/xmlconfig.h"
  40
  41 #include <xf86drm.h>
  42 #include "v3d_screen.h"
  43 #include "v3d_context.h"
  44 #include "v3d_resource.h"
  45 #include "compiler/v3d_compiler.h"
  46 #include "drm-uapi/drm_fourcc.h"
  47
  48 static const char *
  49 v3d_screen_get_name(struct pipe_screen *pscreen)
  50 {
  51         struct v3d_screen *screen = v3d_screen(pscreen);
  52
  53         if (!screen->name) {
  54                 screen->name = ralloc_asprintf(screen,
  55                                                "V3D %d.%d",
  56                                                screen->devinfo.ver / 10,
  57                                                screen->devinfo.ver % 10);
  58         }
  59
  60         return screen->name;
  61 }
  62
  63 static const char *
  64 v3d_screen_get_vendor(struct pipe_screen *pscreen)
  65 {
  66         return "Broadcom";
  67 }
  68
  69 static void
  70 v3d_screen_destroy(struct pipe_screen *pscreen)
  71 {
  72         struct v3d_screen *screen = v3d_screen(pscreen);
  73
  74         util_hash_table_destroy(screen->bo_handles);
  75         v3d_bufmgr_destroy(pscreen);
  76         slab_destroy_parent(&screen->transfer_pool);
  77         free(screen->ro);
  78
  79         if (using_v3d_simulator)
  80                 v3d_simulator_destroy(screen);
  81
  82         v3d_compiler_free(screen->compiler);
  83         u_transfer_helper_destroy(pscreen->transfer_helper);
  84
  85         close(screen->fd);
  86         ralloc_free(pscreen);
  87 }
  88
  89 static bool
  90 v3d_has_feature(struct v3d_screen *screen, enum drm_v3d_param feature)
  91 {
  92         struct drm_v3d_get_param p = {
  93                 .param = feature,
  94         };
  95         int ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &p);
  96
  97         if (ret != 0)
  98                 return false;
  99
 100         return p.value;
 101 }
 102
 103 static int
 104 v3d_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 105 {
 106         struct v3d_screen *screen = v3d_screen(pscreen);
 107
 108         switch (param) {
 109                 /* Supported features (boolean caps). */
 110         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 111         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 112         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 113         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 114         case PIPE_CAP_NPOT_TEXTURES:
 115         case PIPE_CAP_SHAREABLE_SHADERS:
 116         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 117         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 118         case PIPE_CAP_TEXTURE_SWIZZLE:
 119         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 120         case PIPE_CAP_START_INSTANCE:
 121         case PIPE_CAP_TGSI_INSTANCEID:
 122         case PIPE_CAP_SM3:
 123         case PIPE_CAP_TEXTURE_QUERY_LOD:
 124         case PIPE_CAP_PRIMITIVE_RESTART:
 125         case PIPE_CAP_OCCLUSION_QUERY:
 126         case PIPE_CAP_POINT_SPRITE:
 127         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 128         case PIPE_CAP_DRAW_INDIRECT:
 129         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 130         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 131         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 132         case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 133         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 134         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 135         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 136                 return 1;
 137
 138         case PIPE_CAP_PACKED_UNIFORMS:
 139                 /* We can't enable this flag, because it results in load_ubo
 140                  * intrinsics across a 16b boundary, but v3d's TMU general
 141                  * memory accesses wrap on 16b boundaries.
 142                  */
 143                 return 0;
 144
 145         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 146                 /* XXX perf: we don't want to emit these extra blits for
 147                  * glReadPixels(), since we still have to do an uncached read
 148                  * from the GPU of the result after waiting for the TFU blit
 149                  * to happen.  However, disabling this introduces instability
 150                  * in
 151                  * dEQP-GLES31.functional.image_load_store.early_fragment_tests.*
 152                  * and corruption in chromium's rendering.
 153                  */
 154                 return 1;
 155
 156         case PIPE_CAP_COMPUTE:
 157                 return screen->has_csd && screen->devinfo.ver >= 41;
 158
 159         case PIPE_CAP_GENERATE_MIPMAP:
 160                 return v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_TFU);
 161
 162         case PIPE_CAP_INDEP_BLEND_ENABLE:
 163                 return screen->devinfo.ver >= 40;
 164
 165         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 166                 return 256;
 167
 168         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 169                 if (screen->devinfo.ver < 40)
 170                         return 0;
 171                 return 4;
 172
 173         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 174                 return 4;
 175
 176         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 177                 return 330;
 178
 179         case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 180                 return 140;
 181
 182         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 183                 return 1;
 184         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 185                 return 0;
 186         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 187                 if (screen->devinfo.ver >= 40)
 188                         return 0;
 189                 else
 190                         return 1;
 191         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 192                 if (screen->devinfo.ver >= 40)
 193                         return 1;
 194                 else
 195                         return 0;
 196
 197         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 198         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 199         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 200                 return 1;
 201
 202         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 203                 return 4;
 204
 205         case PIPE_CAP_MAX_VARYINGS:
 206                 return V3D_MAX_FS_INPUTS / 4;
 207
 208                 /* Texturing. */
 209         case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 210                 if (screen->devinfo.ver < 40)
 211                         return 2048;
 212                 else if (screen->nonmsaa_texture_size_limit)
 213                         return 7680;
 214                 else
 215                         return 4096;
 216         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 217         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 218                 if (screen->devinfo.ver < 40)
 219                         return 12;
 220                 else
 221                         return V3D_MAX_MIP_LEVELS;
 222         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 223                 return 2048;
 224
 225                 /* Render targets. */
 226         case PIPE_CAP_MAX_RENDER_TARGETS:
 227                 return 4;
 228
 229         case PIPE_CAP_VENDOR_ID:
 230                 return 0x14E4;
 231         case PIPE_CAP_ACCELERATED:
 232                 return 1;
 233         case PIPE_CAP_VIDEO_MEMORY: {
 234                 uint64_t system_memory;
 235
 236                 if (!os_get_total_physical_memory(&system_memory))
 237                         return 0;
 238
 239                 return (int)(system_memory >> 20);
 240         }
 241         case PIPE_CAP_UMA:
 242                 return 1;
 243
 244         default:
 245                 return u_pipe_screen_get_param_defaults(pscreen, param);
 246         }
 247 }
 248
 249 static float
 250 v3d_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 251 {
 252         switch (param) {
 253         case PIPE_CAPF_MAX_LINE_WIDTH:
 254         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 255                 return 32;
 256
 257         case PIPE_CAPF_MAX_POINT_WIDTH:
 258         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 259                 return 512.0f;
 260
 261         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 262                 return 0.0f;
 263         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 264                 return 16.0f;
 265
 266         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 267         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 268         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 269                 return 0.0f;
 270         default:
 271                 fprintf(stderr, "unknown paramf %d\n", param);
 272                 return 0;
 273         }
 274 }
 275
 276 static int
 277 v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 278                            enum pipe_shader_cap param)
 279 {
 280         struct v3d_screen *screen = v3d_screen(pscreen);
 281
 282         switch (shader) {
 283         case PIPE_SHADER_VERTEX:
 284         case PIPE_SHADER_FRAGMENT:
 285                 break;
 286         case PIPE_SHADER_COMPUTE:
 287                 if (!screen->has_csd)
 288                         return 0;
 289                 break;
 290         default:
 291                 return 0;
 292         }
 293
 294         /* this is probably not totally correct.. but it's a start: */
 295         switch (param) {
 296         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 297         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 298         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 299         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 300                 return 16384;
 301
 302         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 303                 return UINT_MAX;
 304
 305         case PIPE_SHADER_CAP_MAX_INPUTS:
 306                 if (shader == PIPE_SHADER_FRAGMENT)
 307                         return V3D_MAX_FS_INPUTS / 4;
 308                 else
 309                         return V3D_MAX_VS_INPUTS / 4;
 310         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 311                 if (shader == PIPE_SHADER_FRAGMENT)
 312                         return 4;
 313                 else
 314                         return V3D_MAX_FS_INPUTS / 4;
 315         case PIPE_SHADER_CAP_MAX_TEMPS:
 316                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 317         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 318                 /* Note: Limited by the offset size in
 319                  * v3d_unit_data_create().
 320                  */
 321                 return 16 * 1024 * sizeof(float);
 322         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 323                 return 16;
 324         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 325                 return 0;
 326         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 327         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 328                 return 0;
 329         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 330                 return 1;
 331         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 332                 return 1;
 333         case PIPE_SHADER_CAP_SUBROUTINES:
 334                 return 0;
 335         case PIPE_SHADER_CAP_INTEGERS:
 336                 return 1;
 337         case PIPE_SHADER_CAP_FP16:
 338         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 339         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 340         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 341         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 342         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 343         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 344         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 345         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 346                 return 0;
 347         case PIPE_SHADER_CAP_SCALAR_ISA:
 348                 return 1;
 349         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 350         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 351                 return V3D_MAX_TEXTURE_SAMPLERS;
 352
 353         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 354                 if (shader == PIPE_SHADER_VERTEX)
 355                         return 0;
 356
 357                 return PIPE_MAX_SHADER_BUFFERS;
 358
 359         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 360                 if (screen->devinfo.ver < 41)
 361                         return 0;
 362                 else
 363                         return PIPE_MAX_SHADER_IMAGES;
 364
 365         case PIPE_SHADER_CAP_PREFERRED_IR:
 366                 return PIPE_SHADER_IR_NIR;
 367         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 368                 return 1 << PIPE_SHADER_IR_NIR;
 369         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 370                 return 32;
 371         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 372         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 373                 return 0;
 374         default:
 375                 fprintf(stderr, "unknown shader param %d\n", param);
 376                 return 0;
 377         }
 378         return 0;
 379 }
 380
 381 static int
 382 v3d_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
 383                       enum pipe_compute_cap param, void *ret)
 384 {
 385         struct v3d_screen *screen = v3d_screen(pscreen);
 386
 387         if (!screen->has_csd)
 388                 return 0;
 389
 390 #define RET(x) do {                                     \
 391                 if (ret)                                \
 392                         memcpy(ret, x, sizeof(x));      \
 393                 return sizeof(x);                       \
 394         } while (0)
 395
 396         switch (param) {
 397         case PIPE_COMPUTE_CAP_ADDRESS_BITS:
 398                 RET((uint32_t []) { 32 });
 399                 break;
 400
 401         case PIPE_COMPUTE_CAP_IR_TARGET:
 402                 sprintf(ret, "v3d");
 403                 return strlen(ret);
 404
 405         case PIPE_COMPUTE_CAP_GRID_DIMENSION:
 406                 RET((uint64_t []) { 3 });
 407
 408         case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
 409                 /* GL_MAX_COMPUTE_SHADER_WORK_GROUP_COUNT: The CSD has a
 410                  * 16-bit field for the number of workgroups in each
 411                  * dimension.
 412                  */
 413                 RET(((uint64_t []) { 65535, 65535, 65535 }));
 414
 415         case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
 416                 /* GL_MAX_COMPUTE_WORK_GROUP_SIZE */
 417                 RET(((uint64_t []) { 256, 256, 256 }));
 418
 419         case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
 420         case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
 421                 /* GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS: This is
 422                  * limited by WG_SIZE in the CSD.
 423                  */
 424                 RET((uint64_t []) { 256 });
 425
 426         case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
 427                 RET((uint64_t []) { 1024 * 1024 * 1024 });
 428
 429         case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
 430                 /* GL_MAX_COMPUTE_SHARED_MEMORY_SIZE */
 431                 RET((uint64_t []) { 32768 });
 432
 433         case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
 434         case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
 435                 RET((uint64_t []) { 4096 });
 436
 437         case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE: {
 438                 struct sysinfo si;
 439                 sysinfo(&si);
 440                 RET((uint64_t []) { si.totalram });
 441         }
 442
 443         case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
 444                 /* OpenCL only */
 445                 RET((uint32_t []) { 0 });
 446
 447         case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
 448                 RET((uint32_t []) { 1 });
 449
 450         case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
 451                 RET((uint32_t []) { 1 });
 452
 453         case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
 454                 RET((uint32_t []) { 16 });
 455
 456         }
 457
 458         return 0;
 459 }
 460
 461 static boolean
 462 v3d_screen_is_format_supported(struct pipe_screen *pscreen,
 463                                enum pipe_format format,
 464                                enum pipe_texture_target target,
 465                                unsigned sample_count,
 466                                unsigned storage_sample_count,
 467                                unsigned usage)
 468 {
 469         struct v3d_screen *screen = v3d_screen(pscreen);
 470
 471         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 472                 return false;
 473
 474         if (sample_count > 1 && sample_count != V3D_MAX_SAMPLES)
 475                 return FALSE;
 476
 477         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 478                 return FALSE;
 479         }
 480
 481         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 482                 switch (format) {
 483                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 484                 case PIPE_FORMAT_R32G32B32_FLOAT:
 485                 case PIPE_FORMAT_R32G32_FLOAT:
 486                 case PIPE_FORMAT_R32_FLOAT:
 487                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 488                 case PIPE_FORMAT_R32G32B32_SNORM:
 489                 case PIPE_FORMAT_R32G32_SNORM:
 490                 case PIPE_FORMAT_R32_SNORM:
 491                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 492                 case PIPE_FORMAT_R32G32B32_SSCALED:
 493                 case PIPE_FORMAT_R32G32_SSCALED:
 494                 case PIPE_FORMAT_R32_SSCALED:
 495                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 496                 case PIPE_FORMAT_R16G16B16_UNORM:
 497                 case PIPE_FORMAT_R16G16_UNORM:
 498                 case PIPE_FORMAT_R16_UNORM:
 499                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 500                 case PIPE_FORMAT_R16G16B16_SNORM:
 501                 case PIPE_FORMAT_R16G16_SNORM:
 502                 case PIPE_FORMAT_R16_SNORM:
 503                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 504                 case PIPE_FORMAT_R16G16B16_USCALED:
 505                 case PIPE_FORMAT_R16G16_USCALED:
 506                 case PIPE_FORMAT_R16_USCALED:
 507                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 508                 case PIPE_FORMAT_R16G16B16_SSCALED:
 509                 case PIPE_FORMAT_R16G16_SSCALED:
 510                 case PIPE_FORMAT_R16_SSCALED:
 511                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 512                 case PIPE_FORMAT_R8G8B8_UNORM:
 513                 case PIPE_FORMAT_R8G8_UNORM:
 514                 case PIPE_FORMAT_R8_UNORM:
 515                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 516                 case PIPE_FORMAT_R8G8B8_SNORM:
 517                 case PIPE_FORMAT_R8G8_SNORM:
 518                 case PIPE_FORMAT_R8_SNORM:
 519                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 520                 case PIPE_FORMAT_R8G8B8_USCALED:
 521                 case PIPE_FORMAT_R8G8_USCALED:
 522                 case PIPE_FORMAT_R8_USCALED:
 523                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 524                 case PIPE_FORMAT_R8G8B8_SSCALED:
 525                 case PIPE_FORMAT_R8G8_SSCALED:
 526                 case PIPE_FORMAT_R8_SSCALED:
 527                 case PIPE_FORMAT_R10G10B10A2_UNORM:
 528                 case PIPE_FORMAT_B10G10R10A2_UNORM:
 529                 case PIPE_FORMAT_R10G10B10A2_SNORM:
 530                 case PIPE_FORMAT_B10G10R10A2_SNORM:
 531                 case PIPE_FORMAT_R10G10B10A2_USCALED:
 532                 case PIPE_FORMAT_B10G10R10A2_USCALED:
 533                 case PIPE_FORMAT_R10G10B10A2_SSCALED:
 534                 case PIPE_FORMAT_B10G10R10A2_SSCALED:
 535                         break;
 536                 default:
 537                         return FALSE;
 538                 }
 539         }
 540
 541         /* FORMAT_NONE gets allowed for ARB_framebuffer_no_attachments's probe
 542          * of FRAMEBUFFER_MAX_SAMPLES
 543          */
 544         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 545             format != PIPE_FORMAT_NONE &&
 546             !v3d_rt_format_supported(&screen->devinfo, format)) {
 547                 return FALSE;
 548         }
 549
 550         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 551             !v3d_tex_format_supported(&screen->devinfo, format)) {
 552                 return FALSE;
 553         }
 554
 555         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 556             !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 557               format == PIPE_FORMAT_X8Z24_UNORM ||
 558               format == PIPE_FORMAT_Z16_UNORM ||
 559               format == PIPE_FORMAT_Z32_FLOAT ||
 560               format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 561                 return FALSE;
 562         }
 563
 564         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 565             !(format == PIPE_FORMAT_I8_UINT ||
 566               format == PIPE_FORMAT_I16_UINT ||
 567               format == PIPE_FORMAT_I32_UINT)) {
 568                 return FALSE;
 569         }
 570
 571         return TRUE;
 572 }
 573
 574 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
 575
 576 static unsigned handle_hash(void *key)
 577 {
 578     return PTR_TO_UINT(key);
 579 }
 580
 581 static int handle_compare(void *key1, void *key2)
 582 {
 583     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 584 }
 585
 586 static bool
 587 v3d_get_device_info(struct v3d_screen *screen)
 588 {
 589         struct drm_v3d_get_param ident0 = {
 590                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT0,
 591         };
 592         struct drm_v3d_get_param ident1 = {
 593                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT1,
 594         };
 595         int ret;
 596
 597         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident0);
 598         if (ret != 0) {
 599                 fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
 600                         strerror(errno));
 601                 return false;
 602         }
 603         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident1);
 604         if (ret != 0) {
 605                 fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
 606                         strerror(errno));
 607                 return false;
 608         }
 609
 610         uint32_t major = (ident0.value >> 24) & 0xff;
 611         uint32_t minor = (ident1.value >> 0) & 0xf;
 612         screen->devinfo.ver = major * 10 + minor;
 613
 614         screen->devinfo.vpm_size = (ident1.value >> 28 & 0xf) * 8192;
 615
 616         int nslc = (ident1.value >> 4) & 0xf;
 617         int qups = (ident1.value >> 8) & 0xf;
 618         screen->devinfo.qpu_count = nslc * qups;
 619
 620         switch (screen->devinfo.ver) {
 621         case 33:
 622         case 41:
 623         case 42:
 624                 break;
 625         default:
 626                 fprintf(stderr,
 627                         "V3D %d.%d not supported by this version of Mesa.\n",
 628                         screen->devinfo.ver / 10,
 629                         screen->devinfo.ver % 10);
 630                 return false;
 631         }
 632
 633         return true;
 634 }
 635
 636 static const void *
 637 v3d_screen_get_compiler_options(struct pipe_screen *pscreen,
 638                                 enum pipe_shader_ir ir, unsigned shader)
 639 {
 640         return &v3d_nir_options;
 641 }
 642
 643 static void
 644 v3d_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 645                                   enum pipe_format format, int max,
 646                                   uint64_t *modifiers,
 647                                   unsigned int *external_only,
 648                                   int *count)
 649 {
 650         int i;
 651         uint64_t available_modifiers[] = {
 652                 DRM_FORMAT_MOD_BROADCOM_UIF,
 653                 DRM_FORMAT_MOD_LINEAR,
 654         };
 655         int num_modifiers = ARRAY_SIZE(available_modifiers);
 656
 657         if (!modifiers) {
 658                 *count = num_modifiers;
 659                 return;
 660         }
 661
 662         *count = MIN2(max, num_modifiers);
 663         for (i = 0; i < *count; i++) {
 664                 modifiers[i] = available_modifiers[i];
 665                 if (external_only)
 666                         external_only[i] = false;
 667        }
 668 }
 669
 670 struct pipe_screen *
 671 v3d_screen_create(int fd, const struct pipe_screen_config *config,
 672                   struct renderonly *ro)
 673 {
 674         struct v3d_screen *screen = rzalloc(NULL, struct v3d_screen);
 675         struct pipe_screen *pscreen;
 676
 677         pscreen = &screen->base;
 678
 679         pscreen->destroy = v3d_screen_destroy;
 680         pscreen->get_param = v3d_screen_get_param;
 681         pscreen->get_paramf = v3d_screen_get_paramf;
 682         pscreen->get_shader_param = v3d_screen_get_shader_param;
 683         pscreen->get_compute_param = v3d_get_compute_param;
 684         pscreen->context_create = v3d_context_create;
 685         pscreen->is_format_supported = v3d_screen_is_format_supported;
 686
 687         screen->fd = fd;
 688         if (ro) {
 689                 screen->ro = renderonly_dup(ro);
 690                 if (!screen->ro) {
 691                         fprintf(stderr, "Failed to dup renderonly object\n");
 692                         ralloc_free(screen);
 693                         return NULL;
 694                 }
 695         }
 696         list_inithead(&screen->bo_cache.time_list);
 697         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 698         screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 699
 700 #if defined(USE_V3D_SIMULATOR)
 701         v3d_simulator_init(screen);
 702 #endif
 703
 704         if (!v3d_get_device_info(screen))
 705                 goto fail;
 706
 707         /* We have to driCheckOption for the simulator mode to not assertion
 708          * fail on not having our XML config.
 709          */
 710         const char *nonmsaa_name = "v3d_nonmsaa_texture_size_limit";
 711         screen->nonmsaa_texture_size_limit =
 712                 driCheckOption(config->options, nonmsaa_name, DRI_BOOL) &&
 713                 driQueryOptionb(config->options, nonmsaa_name);
 714
 715         slab_create_parent(&screen->transfer_pool, sizeof(struct v3d_transfer), 16);
 716
 717         screen->has_csd = false; /* until the UABI is enabled. */
 718
 719         v3d_fence_init(screen);
 720
 721         v3d_process_debug_variable();
 722
 723         v3d_resource_screen_init(pscreen);
 724
 725         screen->compiler = v3d_compiler_init(&screen->devinfo);
 726
 727         pscreen->get_name = v3d_screen_get_name;
 728         pscreen->get_vendor = v3d_screen_get_vendor;
 729         pscreen->get_device_vendor = v3d_screen_get_vendor;
 730         pscreen->get_compiler_options = v3d_screen_get_compiler_options;
 731         pscreen->query_dmabuf_modifiers = v3d_screen_query_dmabuf_modifiers;
 732
 733         return pscreen;
 734
 735 fail:
 736         close(fd);
 737         ralloc_free(pscreen);
 738         return NULL;
 739 }