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
  40 #include <xf86drm.h>
  41 #include "v3d_screen.h"
  42 #include "v3d_context.h"
  43 #include "v3d_resource.h"
  44 #include "compiler/v3d_compiler.h"
  45 #include "drm-uapi/drm_fourcc.h"
  46
  47 static const char *
  48 v3d_screen_get_name(struct pipe_screen *pscreen)
  49 {
  50         struct v3d_screen *screen = v3d_screen(pscreen);
  51
  52         if (!screen->name) {
  53                 screen->name = ralloc_asprintf(screen,
  54                                                "V3D %d.%d",
  55                                                screen->devinfo.ver / 10,
  56                                                screen->devinfo.ver % 10);
  57         }
  58
  59         return screen->name;
  60 }
  61
  62 static const char *
  63 v3d_screen_get_vendor(struct pipe_screen *pscreen)
  64 {
  65         return "Broadcom";
  66 }
  67
  68 static void
  69 v3d_screen_destroy(struct pipe_screen *pscreen)
  70 {
  71         struct v3d_screen *screen = v3d_screen(pscreen);
  72
  73         util_hash_table_destroy(screen->bo_handles);
  74         v3d_bufmgr_destroy(pscreen);
  75         slab_destroy_parent(&screen->transfer_pool);
  76         free(screen->ro);
  77
  78         if (using_v3d_simulator)
  79                 v3d_simulator_destroy(screen);
  80
  81         v3d_compiler_free(screen->compiler);
  82         u_transfer_helper_destroy(pscreen->transfer_helper);
  83
  84         close(screen->fd);
  85         ralloc_free(pscreen);
  86 }
  87
  88 static bool
  89 v3d_has_feature(struct v3d_screen *screen, enum drm_v3d_param feature)
  90 {
  91         struct drm_v3d_get_param p = {
  92                 .param = feature,
  93         };
  94         int ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &p);
  95
  96         if (ret != 0)
  97                 return false;
  98
  99         return p.value;
 100 }
 101
 102 static int
 103 v3d_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 104 {
 105         struct v3d_screen *screen = v3d_screen(pscreen);
 106
 107         switch (param) {
 108                 /* Supported features (boolean caps). */
 109         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 110         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 111         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 112         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 113         case PIPE_CAP_NPOT_TEXTURES:
 114         case PIPE_CAP_SHAREABLE_SHADERS:
 115         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 116         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 117         case PIPE_CAP_TEXTURE_SWIZZLE:
 118         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 119         case PIPE_CAP_START_INSTANCE:
 120         case PIPE_CAP_TGSI_INSTANCEID:
 121         case PIPE_CAP_SM3:
 122         case PIPE_CAP_TEXTURE_QUERY_LOD:
 123         case PIPE_CAP_PRIMITIVE_RESTART:
 124         case PIPE_CAP_OCCLUSION_QUERY:
 125         case PIPE_CAP_POINT_SPRITE:
 126         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 127         case PIPE_CAP_DRAW_INDIRECT:
 128         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 129         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 130         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 131         case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 132         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 133         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 134         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 135                 return 1;
 136
 137         case PIPE_CAP_PACKED_UNIFORMS:
 138                 /* We can't enable this flag, because it results in load_ubo
 139                  * intrinsics across a 16b boundary, but v3d's TMU general
 140                  * memory accesses wrap on 16b boundaries.
 141                  */
 142                 return 0;
 143
 144         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 145            return 0;
 146
 147         case PIPE_CAP_COMPUTE:
 148                 return screen->has_csd && screen->devinfo.ver >= 41;
 149
 150         case PIPE_CAP_GENERATE_MIPMAP:
 151                 return v3d_has_feature(screen, DRM_V3D_PARAM_SUPPORTS_TFU);
 152
 153         case PIPE_CAP_INDEP_BLEND_ENABLE:
 154                 return screen->devinfo.ver >= 40;
 155
 156         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 157                 return 256;
 158
 159         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 160                 if (screen->devinfo.ver < 40)
 161                         return 0;
 162                 return 4;
 163
 164         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 165                 return 4;
 166
 167         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 168                 return 330;
 169
 170         case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 171                 return 140;
 172
 173         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 174                 return 1;
 175         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 176                 return 0;
 177         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 178                 if (screen->devinfo.ver >= 40)
 179                         return 0;
 180                 else
 181                         return 1;
 182         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 183                 if (screen->devinfo.ver >= 40)
 184                         return 1;
 185                 else
 186                         return 0;
 187
 188         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 189         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 190         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 191                 return 1;
 192
 193         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 194                 return 4;
 195
 196         case PIPE_CAP_MAX_VARYINGS:
 197                 return V3D_MAX_FS_INPUTS / 4;
 198
 199                 /* Texturing. */
 200         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 201         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 202         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 203                 if (screen->devinfo.ver < 40)
 204                         return 12;
 205                 else
 206                         return V3D_MAX_MIP_LEVELS;
 207         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 208                 return 2048;
 209
 210                 /* Render targets. */
 211         case PIPE_CAP_MAX_RENDER_TARGETS:
 212                 return 4;
 213
 214         case PIPE_CAP_VENDOR_ID:
 215                 return 0x14E4;
 216         case PIPE_CAP_ACCELERATED:
 217                 return 1;
 218         case PIPE_CAP_VIDEO_MEMORY: {
 219                 uint64_t system_memory;
 220
 221                 if (!os_get_total_physical_memory(&system_memory))
 222                         return 0;
 223
 224                 return (int)(system_memory >> 20);
 225         }
 226         case PIPE_CAP_UMA:
 227                 return 1;
 228
 229         default:
 230                 return u_pipe_screen_get_param_defaults(pscreen, param);
 231         }
 232 }
 233
 234 static float
 235 v3d_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 236 {
 237         switch (param) {
 238         case PIPE_CAPF_MAX_LINE_WIDTH:
 239         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 240                 return 32;
 241
 242         case PIPE_CAPF_MAX_POINT_WIDTH:
 243         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 244                 return 512.0f;
 245
 246         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 247                 return 0.0f;
 248         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 249                 return 16.0f;
 250
 251         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 252         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 253         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 254                 return 0.0f;
 255         default:
 256                 fprintf(stderr, "unknown paramf %d\n", param);
 257                 return 0;
 258         }
 259 }
 260
 261 static int
 262 v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 263                            enum pipe_shader_cap param)
 264 {
 265         struct v3d_screen *screen = v3d_screen(pscreen);
 266
 267         switch (shader) {
 268         case PIPE_SHADER_VERTEX:
 269         case PIPE_SHADER_FRAGMENT:
 270                 break;
 271         case PIPE_SHADER_COMPUTE:
 272                 if (!screen->has_csd)
 273                         return 0;
 274                 break;
 275         default:
 276                 return 0;
 277         }
 278
 279         /* this is probably not totally correct.. but it's a start: */
 280         switch (param) {
 281         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 282         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 283         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 284         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 285                 return 16384;
 286
 287         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 288                 return UINT_MAX;
 289
 290         case PIPE_SHADER_CAP_MAX_INPUTS:
 291                 if (shader == PIPE_SHADER_FRAGMENT)
 292                         return V3D_MAX_FS_INPUTS / 4;
 293                 else
 294                         return V3D_MAX_VS_INPUTS / 4;
 295         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 296                 if (shader == PIPE_SHADER_FRAGMENT)
 297                         return 4;
 298                 else
 299                         return V3D_MAX_FS_INPUTS / 4;
 300         case PIPE_SHADER_CAP_MAX_TEMPS:
 301                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 302         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 303                 /* Note: Limited by the offset size in
 304                  * v3d_unit_data_create().
 305                  */
 306                 return 16 * 1024 * sizeof(float);
 307         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 308                 return 16;
 309         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 310                 return 0;
 311         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 312         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 313                 return 0;
 314         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 315                 return 1;
 316         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 317                 return 1;
 318         case PIPE_SHADER_CAP_SUBROUTINES:
 319                 return 0;
 320         case PIPE_SHADER_CAP_INTEGERS:
 321                 return 1;
 322         case PIPE_SHADER_CAP_FP16:
 323         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 324         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 325         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 326         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 327         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 328         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 329         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 330         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 331                 return 0;
 332         case PIPE_SHADER_CAP_SCALAR_ISA:
 333                 return 1;
 334         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 335         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 336                 return V3D_MAX_TEXTURE_SAMPLERS;
 337
 338         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 339                 if (shader == PIPE_SHADER_VERTEX)
 340                         return 0;
 341
 342                 return PIPE_MAX_SHADER_BUFFERS;
 343
 344         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 345                 if (screen->devinfo.ver < 41)
 346                         return 0;
 347                 else
 348                         return PIPE_MAX_SHADER_IMAGES;
 349
 350         case PIPE_SHADER_CAP_PREFERRED_IR:
 351                 return PIPE_SHADER_IR_NIR;
 352         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 353                 return 1 << PIPE_SHADER_IR_NIR;
 354         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 355                 return 32;
 356         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 357         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 358                 return 0;
 359         default:
 360                 fprintf(stderr, "unknown shader param %d\n", param);
 361                 return 0;
 362         }
 363         return 0;
 364 }
 365
 366 static int
 367 v3d_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
 368                       enum pipe_compute_cap param, void *ret)
 369 {
 370         struct v3d_screen *screen = v3d_screen(pscreen);
 371
 372         if (!screen->has_csd)
 373                 return 0;
 374
 375 #define RET(x) do {                                     \
 376                 if (ret)                                \
 377                         memcpy(ret, x, sizeof(x));      \
 378                 return sizeof(x);                       \
 379         } while (0)
 380
 381         switch (param) {
 382         case PIPE_COMPUTE_CAP_ADDRESS_BITS:
 383                 RET((uint32_t []) { 32 });
 384                 break;
 385
 386         case PIPE_COMPUTE_CAP_IR_TARGET:
 387                 sprintf(ret, "v3d");
 388                 return strlen(ret);
 389
 390         case PIPE_COMPUTE_CAP_GRID_DIMENSION:
 391                 RET((uint64_t []) { 3 });
 392
 393         case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
 394                 /* GL_MAX_COMPUTE_SHADER_WORK_GROUP_COUNT: The CSD has a
 395                  * 16-bit field for the number of workgroups in each
 396                  * dimension.
 397                  */
 398                 RET(((uint64_t []) { 65535, 65535, 65535 }));
 399
 400         case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
 401                 /* GL_MAX_COMPUTE_WORK_GROUP_SIZE */
 402                 RET(((uint64_t []) { 256, 256, 256 }));
 403
 404         case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
 405         case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
 406                 /* GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS: This is
 407                  * limited by WG_SIZE in the CSD.
 408                  */
 409                 RET((uint64_t []) { 256 });
 410
 411         case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
 412                 RET((uint64_t []) { 1024 * 1024 * 1024 });
 413
 414         case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
 415                 /* GL_MAX_COMPUTE_SHARED_MEMORY_SIZE */
 416                 RET((uint64_t []) { 32768 });
 417
 418         case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
 419         case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
 420                 RET((uint64_t []) { 4096 });
 421
 422         case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE: {
 423                 struct sysinfo si;
 424                 sysinfo(&si);
 425                 RET((uint64_t []) { si.totalram });
 426         }
 427
 428         case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
 429                 /* OpenCL only */
 430                 RET((uint32_t []) { 0 });
 431
 432         case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
 433                 RET((uint32_t []) { 1 });
 434
 435         case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
 436                 RET((uint32_t []) { 1 });
 437
 438         case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
 439                 RET((uint32_t []) { 16 });
 440
 441         }
 442
 443         return 0;
 444 }
 445
 446 static boolean
 447 v3d_screen_is_format_supported(struct pipe_screen *pscreen,
 448                                enum pipe_format format,
 449                                enum pipe_texture_target target,
 450                                unsigned sample_count,
 451                                unsigned storage_sample_count,
 452                                unsigned usage)
 453 {
 454         struct v3d_screen *screen = v3d_screen(pscreen);
 455
 456         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 457                 return false;
 458
 459         if (sample_count > 1 && sample_count != V3D_MAX_SAMPLES)
 460                 return FALSE;
 461
 462         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 463                 return FALSE;
 464         }
 465
 466         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 467                 switch (format) {
 468                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 469                 case PIPE_FORMAT_R32G32B32_FLOAT:
 470                 case PIPE_FORMAT_R32G32_FLOAT:
 471                 case PIPE_FORMAT_R32_FLOAT:
 472                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 473                 case PIPE_FORMAT_R32G32B32_SNORM:
 474                 case PIPE_FORMAT_R32G32_SNORM:
 475                 case PIPE_FORMAT_R32_SNORM:
 476                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 477                 case PIPE_FORMAT_R32G32B32_SSCALED:
 478                 case PIPE_FORMAT_R32G32_SSCALED:
 479                 case PIPE_FORMAT_R32_SSCALED:
 480                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 481                 case PIPE_FORMAT_R16G16B16_UNORM:
 482                 case PIPE_FORMAT_R16G16_UNORM:
 483                 case PIPE_FORMAT_R16_UNORM:
 484                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 485                 case PIPE_FORMAT_R16G16B16_SNORM:
 486                 case PIPE_FORMAT_R16G16_SNORM:
 487                 case PIPE_FORMAT_R16_SNORM:
 488                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 489                 case PIPE_FORMAT_R16G16B16_USCALED:
 490                 case PIPE_FORMAT_R16G16_USCALED:
 491                 case PIPE_FORMAT_R16_USCALED:
 492                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 493                 case PIPE_FORMAT_R16G16B16_SSCALED:
 494                 case PIPE_FORMAT_R16G16_SSCALED:
 495                 case PIPE_FORMAT_R16_SSCALED:
 496                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 497                 case PIPE_FORMAT_R8G8B8_UNORM:
 498                 case PIPE_FORMAT_R8G8_UNORM:
 499                 case PIPE_FORMAT_R8_UNORM:
 500                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 501                 case PIPE_FORMAT_R8G8B8_SNORM:
 502                 case PIPE_FORMAT_R8G8_SNORM:
 503                 case PIPE_FORMAT_R8_SNORM:
 504                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 505                 case PIPE_FORMAT_R8G8B8_USCALED:
 506                 case PIPE_FORMAT_R8G8_USCALED:
 507                 case PIPE_FORMAT_R8_USCALED:
 508                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 509                 case PIPE_FORMAT_R8G8B8_SSCALED:
 510                 case PIPE_FORMAT_R8G8_SSCALED:
 511                 case PIPE_FORMAT_R8_SSCALED:
 512                 case PIPE_FORMAT_R10G10B10A2_UNORM:
 513                 case PIPE_FORMAT_B10G10R10A2_UNORM:
 514                 case PIPE_FORMAT_R10G10B10A2_SNORM:
 515                 case PIPE_FORMAT_B10G10R10A2_SNORM:
 516                 case PIPE_FORMAT_R10G10B10A2_USCALED:
 517                 case PIPE_FORMAT_B10G10R10A2_USCALED:
 518                 case PIPE_FORMAT_R10G10B10A2_SSCALED:
 519                 case PIPE_FORMAT_B10G10R10A2_SSCALED:
 520                         break;
 521                 default:
 522                         return FALSE;
 523                 }
 524         }
 525
 526         /* FORMAT_NONE gets allowed for ARB_framebuffer_no_attachments's probe
 527          * of FRAMEBUFFER_MAX_SAMPLES
 528          */
 529         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 530             format != PIPE_FORMAT_NONE &&
 531             !v3d_rt_format_supported(&screen->devinfo, format)) {
 532                 return FALSE;
 533         }
 534
 535         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 536             !v3d_tex_format_supported(&screen->devinfo, format)) {
 537                 return FALSE;
 538         }
 539
 540         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 541             !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 542               format == PIPE_FORMAT_X8Z24_UNORM ||
 543               format == PIPE_FORMAT_Z16_UNORM ||
 544               format == PIPE_FORMAT_Z32_FLOAT ||
 545               format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 546                 return FALSE;
 547         }
 548
 549         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 550             !(format == PIPE_FORMAT_I8_UINT ||
 551               format == PIPE_FORMAT_I16_UINT ||
 552               format == PIPE_FORMAT_I32_UINT)) {
 553                 return FALSE;
 554         }
 555
 556         return TRUE;
 557 }
 558
 559 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
 560
 561 static unsigned handle_hash(void *key)
 562 {
 563     return PTR_TO_UINT(key);
 564 }
 565
 566 static int handle_compare(void *key1, void *key2)
 567 {
 568     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 569 }
 570
 571 static bool
 572 v3d_get_device_info(struct v3d_screen *screen)
 573 {
 574         struct drm_v3d_get_param ident0 = {
 575                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT0,
 576         };
 577         struct drm_v3d_get_param ident1 = {
 578                 .param = DRM_V3D_PARAM_V3D_CORE0_IDENT1,
 579         };
 580         int ret;
 581
 582         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident0);
 583         if (ret != 0) {
 584                 fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
 585                         strerror(errno));
 586                 return false;
 587         }
 588         ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident1);
 589         if (ret != 0) {
 590                 fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
 591                         strerror(errno));
 592                 return false;
 593         }
 594
 595         uint32_t major = (ident0.value >> 24) & 0xff;
 596         uint32_t minor = (ident1.value >> 0) & 0xf;
 597         screen->devinfo.ver = major * 10 + minor;
 598
 599         screen->devinfo.vpm_size = (ident1.value >> 28 & 0xf) * 8192;
 600
 601         int nslc = (ident1.value >> 4) & 0xf;
 602         int qups = (ident1.value >> 8) & 0xf;
 603         screen->devinfo.qpu_count = nslc * qups;
 604
 605         switch (screen->devinfo.ver) {
 606         case 33:
 607         case 41:
 608         case 42:
 609                 break;
 610         default:
 611                 fprintf(stderr,
 612                         "V3D %d.%d not supported by this version of Mesa.\n",
 613                         screen->devinfo.ver / 10,
 614                         screen->devinfo.ver % 10);
 615                 return false;
 616         }
 617
 618         return true;
 619 }
 620
 621 static const void *
 622 v3d_screen_get_compiler_options(struct pipe_screen *pscreen,
 623                                 enum pipe_shader_ir ir, unsigned shader)
 624 {
 625         return &v3d_nir_options;
 626 }
 627
 628 static void
 629 v3d_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 630                                   enum pipe_format format, int max,
 631                                   uint64_t *modifiers,
 632                                   unsigned int *external_only,
 633                                   int *count)
 634 {
 635         int i;
 636         uint64_t available_modifiers[] = {
 637                 DRM_FORMAT_MOD_BROADCOM_UIF,
 638                 DRM_FORMAT_MOD_LINEAR,
 639         };
 640         int num_modifiers = ARRAY_SIZE(available_modifiers);
 641
 642         if (!modifiers) {
 643                 *count = num_modifiers;
 644                 return;
 645         }
 646
 647         *count = MIN2(max, num_modifiers);
 648         for (i = 0; i < *count; i++) {
 649                 modifiers[i] = available_modifiers[i];
 650                 if (external_only)
 651                         external_only[i] = false;
 652        }
 653 }
 654
 655 struct pipe_screen *
 656 v3d_screen_create(int fd, struct renderonly *ro)
 657 {
 658         struct v3d_screen *screen = rzalloc(NULL, struct v3d_screen);
 659         struct pipe_screen *pscreen;
 660
 661         pscreen = &screen->base;
 662
 663         pscreen->destroy = v3d_screen_destroy;
 664         pscreen->get_param = v3d_screen_get_param;
 665         pscreen->get_paramf = v3d_screen_get_paramf;
 666         pscreen->get_shader_param = v3d_screen_get_shader_param;
 667         pscreen->get_compute_param = v3d_get_compute_param;
 668         pscreen->context_create = v3d_context_create;
 669         pscreen->is_format_supported = v3d_screen_is_format_supported;
 670
 671         screen->fd = fd;
 672         if (ro) {
 673                 screen->ro = renderonly_dup(ro);
 674                 if (!screen->ro) {
 675                         fprintf(stderr, "Failed to dup renderonly object\n");
 676                         ralloc_free(screen);
 677                         return NULL;
 678                 }
 679         }
 680         list_inithead(&screen->bo_cache.time_list);
 681         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 682         screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 683
 684 #if defined(USE_V3D_SIMULATOR)
 685         v3d_simulator_init(screen);
 686 #endif
 687
 688         if (!v3d_get_device_info(screen))
 689                 goto fail;
 690
 691         slab_create_parent(&screen->transfer_pool, sizeof(struct v3d_transfer), 16);
 692
 693         screen->has_csd = false; /* until the UABI is enabled. */
 694
 695         v3d_fence_init(screen);
 696
 697         v3d_process_debug_variable();
 698
 699         v3d_resource_screen_init(pscreen);
 700
 701         screen->compiler = v3d_compiler_init(&screen->devinfo);
 702
 703         pscreen->get_name = v3d_screen_get_name;
 704         pscreen->get_vendor = v3d_screen_get_vendor;
 705         pscreen->get_device_vendor = v3d_screen_get_vendor;
 706         pscreen->get_compiler_options = v3d_screen_get_compiler_options;
 707         pscreen->query_dmabuf_modifiers = v3d_screen_query_dmabuf_modifiers;
 708
 709         return pscreen;
 710
 711 fail:
 712         close(fd);
 713         ralloc_free(pscreen);
 714         return NULL;
 715 }