src/gallium/drivers/lima/lima_screen.c

   1 /*
   2  * Copyright (c) 2017-2019 Lima Project
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the
  12  * next paragraph) shall be included in all copies or substantial portions
  13  * of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  */
  24
  25 #include <string.h>
  26
  27 #include "util/ralloc.h"
  28 #include "util/u_debug.h"
  29 #include "util/u_screen.h"
  30 #include "renderonly/renderonly.h"
  31
  32 #include "drm-uapi/drm_fourcc.h"
  33 #include "drm-uapi/lima_drm.h"
  34
  35 #include "lima_screen.h"
  36 #include "lima_context.h"
  37 #include "lima_resource.h"
  38 #include "lima_program.h"
  39 #include "lima_bo.h"
  40 #include "lima_fence.h"
  41 #include "ir/lima_ir.h"
  42
  43 #include "xf86drm.h"
  44
  45 int lima_plb_max_blk = 0;
  46
  47 static void
  48 lima_screen_destroy(struct pipe_screen *pscreen)
  49 {
  50    struct lima_screen *screen = lima_screen(pscreen);
  51
  52    if (lima_dump_command_stream) {
  53       fclose(lima_dump_command_stream);
  54       lima_dump_command_stream = NULL;
  55    }
  56
  57    slab_destroy_parent(&screen->transfer_pool);
  58
  59    if (screen->ro)
  60       free(screen->ro);
  61
  62    if (screen->pp_buffer)
  63       lima_bo_free(screen->pp_buffer);
  64
  65    lima_bo_table_fini(screen);
  66    ralloc_free(screen);
  67 }
  68
  69 static const char *
  70 lima_screen_get_name(struct pipe_screen *pscreen)
  71 {
  72    struct lima_screen *screen = lima_screen(pscreen);
  73
  74    switch (screen->gpu_type) {
  75    case DRM_LIMA_PARAM_GPU_ID_MALI400:
  76      return "Mali400";
  77    case DRM_LIMA_PARAM_GPU_ID_MALI450:
  78      return "Mali450";
  79    }
  80
  81    return NULL;
  82 }
  83
  84 static const char *
  85 lima_screen_get_vendor(struct pipe_screen *pscreen)
  86 {
  87    return "lima";
  88 }
  89
  90 static const char *
  91 lima_screen_get_device_vendor(struct pipe_screen *pscreen)
  92 {
  93    return "ARM";
  94 }
  95
  96 static int
  97 lima_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
  98 {
  99    switch (param) {
 100    case PIPE_CAP_NPOT_TEXTURES:
 101    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 102    case PIPE_CAP_ACCELERATED:
 103    case PIPE_CAP_UMA:
 104    case PIPE_CAP_NATIVE_FENCE_FD:
 105       return 1;
 106
 107    /* Unimplemented, but for exporting OpenGL 2.0 */
 108    case PIPE_CAP_OCCLUSION_QUERY:
 109    case PIPE_CAP_POINT_SPRITE:
 110       return 1;
 111
 112    /* not clear supported */
 113    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 114    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 115    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 116    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 117       return 1;
 118
 119    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 120    case PIPE_CAP_TGSI_FS_POINT_IS_SYSVAL:
 121       return 1;
 122
 123    case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 124       return 1 << (LIMA_MAX_MIP_LEVELS - 1);
 125    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 126    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 127       return LIMA_MAX_MIP_LEVELS;
 128
 129    case PIPE_CAP_VENDOR_ID:
 130       return 0x13B5;
 131
 132    case PIPE_CAP_VIDEO_MEMORY:
 133       return 0;
 134
 135    case PIPE_CAP_PCI_GROUP:
 136    case PIPE_CAP_PCI_BUS:
 137    case PIPE_CAP_PCI_DEVICE:
 138    case PIPE_CAP_PCI_FUNCTION:
 139       return 0;
 140
 141    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 142       return 0;
 143
 144    default:
 145       return u_pipe_screen_get_param_defaults(pscreen, param);
 146    }
 147 }
 148
 149 static float
 150 lima_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 151 {
 152    switch (param) {
 153    case PIPE_CAPF_MAX_LINE_WIDTH:
 154    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 155    case PIPE_CAPF_MAX_POINT_WIDTH:
 156    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 157       return 255.0f;
 158    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 159       return 16.0f;
 160    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 161       return 16.0f;
 162
 163    default:
 164       return 0.0f;
 165    }
 166 }
 167
 168 static int
 169 get_vertex_shader_param(struct lima_screen *screen,
 170                         enum pipe_shader_cap param)
 171 {
 172    switch (param) {
 173    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 174    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 175    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 176    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 177       return 16384; /* need investigate */
 178
 179    case PIPE_SHADER_CAP_MAX_INPUTS:
 180       return 16; /* attributes */
 181
 182    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 183       return LIMA_MAX_VARYING_NUM; /* varying */
 184
 185    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 186       return 4096; /* need investigate */
 187    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 188       return 1;
 189
 190    case PIPE_SHADER_CAP_PREFERRED_IR:
 191       return PIPE_SHADER_IR_NIR;
 192
 193    case PIPE_SHADER_CAP_MAX_TEMPS:
 194       return 256; /* need investigate */
 195
 196    default:
 197       return 0;
 198    }
 199 }
 200
 201 static int
 202 get_fragment_shader_param(struct lima_screen *screen,
 203                           enum pipe_shader_cap param)
 204 {
 205    switch (param) {
 206    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 207    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 208    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 209    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 210       return 16384; /* need investigate */
 211
 212    case PIPE_SHADER_CAP_MAX_INPUTS:
 213       return LIMA_MAX_VARYING_NUM - 1; /* varying, minus gl_Position */
 214
 215    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 216       return 4096; /* need investigate */
 217    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 218       return 1;
 219
 220    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 221       return 16; /* need investigate */
 222
 223    case PIPE_SHADER_CAP_PREFERRED_IR:
 224       return PIPE_SHADER_IR_NIR;
 225
 226    case PIPE_SHADER_CAP_MAX_TEMPS:
 227       return 256; /* need investigate */
 228
 229    default:
 230       return 0;
 231    }
 232 }
 233
 234 static int
 235 lima_screen_get_shader_param(struct pipe_screen *pscreen,
 236                              enum pipe_shader_type shader,
 237                              enum pipe_shader_cap param)
 238 {
 239    struct lima_screen *screen = lima_screen(pscreen);
 240
 241    switch (shader) {
 242    case PIPE_SHADER_FRAGMENT:
 243       return get_fragment_shader_param(screen, param);
 244    case PIPE_SHADER_VERTEX:
 245       return get_vertex_shader_param(screen, param);
 246
 247    default:
 248       return 0;
 249    }
 250 }
 251
 252 static bool
 253 lima_screen_is_format_supported(struct pipe_screen *pscreen,
 254                                 enum pipe_format format,
 255                                 enum pipe_texture_target target,
 256                                 unsigned sample_count,
 257                                 unsigned storage_sample_count,
 258                                 unsigned usage)
 259 {
 260    switch (target) {
 261    case PIPE_BUFFER:
 262    case PIPE_TEXTURE_1D:
 263    case PIPE_TEXTURE_2D:
 264       break;
 265    default:
 266       return false;
 267    }
 268
 269    if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 270       return false;
 271
 272    /* be able to support 16, now limit to 4 */
 273    if (sample_count > 1 && sample_count != 4)
 274       return false;
 275
 276    if (usage & PIPE_BIND_RENDER_TARGET) {
 277       switch (format) {
 278       case PIPE_FORMAT_B8G8R8A8_UNORM:
 279       case PIPE_FORMAT_B8G8R8X8_UNORM:
 280       case PIPE_FORMAT_R8G8B8A8_UNORM:
 281       case PIPE_FORMAT_R8G8B8X8_UNORM:
 282       case PIPE_FORMAT_Z16_UNORM:
 283       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 284       case PIPE_FORMAT_Z24X8_UNORM:
 285          break;
 286       default:
 287          return false;
 288       }
 289    }
 290
 291    if (usage & PIPE_BIND_DEPTH_STENCIL) {
 292       switch (format) {
 293       case PIPE_FORMAT_Z16_UNORM:
 294       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 295       case PIPE_FORMAT_Z24X8_UNORM:
 296          break;
 297       default:
 298          return false;
 299       }
 300    }
 301
 302    if (usage & PIPE_BIND_VERTEX_BUFFER) {
 303       switch (format) {
 304       case PIPE_FORMAT_R32G32B32_FLOAT:
 305          break;
 306       default:
 307          return false;
 308       }
 309    }
 310
 311    if (usage & PIPE_BIND_INDEX_BUFFER) {
 312       switch (format) {
 313       case PIPE_FORMAT_I8_UINT:
 314       case PIPE_FORMAT_I16_UINT:
 315       case PIPE_FORMAT_I32_UINT:
 316          break;
 317       default:
 318          return false;
 319       }
 320    }
 321
 322    if (usage & PIPE_BIND_SAMPLER_VIEW) {
 323       switch (format) {
 324       case PIPE_FORMAT_R8G8B8X8_UNORM:
 325       case PIPE_FORMAT_R8G8B8A8_UNORM:
 326       case PIPE_FORMAT_B8G8R8X8_UNORM:
 327       case PIPE_FORMAT_B8G8R8A8_UNORM:
 328       case PIPE_FORMAT_A8B8G8R8_SRGB:
 329       case PIPE_FORMAT_B8G8R8A8_SRGB:
 330       case PIPE_FORMAT_Z16_UNORM:
 331       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 332       case PIPE_FORMAT_Z24X8_UNORM:
 333          break;
 334       default:
 335          return false;
 336       }
 337    }
 338
 339    return true;
 340 }
 341
 342 static const void *
 343 lima_screen_get_compiler_options(struct pipe_screen *pscreen,
 344                                  enum pipe_shader_ir ir,
 345                                  enum pipe_shader_type shader)
 346 {
 347    return lima_program_get_compiler_options(shader);
 348 }
 349
 350 static bool
 351 lima_screen_set_plb_max_blk(struct lima_screen *screen)
 352 {
 353    if (lima_plb_max_blk) {
 354       screen->plb_max_blk = lima_plb_max_blk;
 355       return true;
 356    }
 357
 358    if (screen->gpu_type == DRM_LIMA_PARAM_GPU_ID_MALI450)
 359       screen->plb_max_blk = 4096;
 360    else
 361       screen->plb_max_blk = 512;
 362
 363    drmDevicePtr devinfo;
 364
 365    if (drmGetDevice2(screen->fd, 0, &devinfo))
 366       return false;
 367
 368    if (devinfo->bustype == DRM_BUS_PLATFORM && devinfo->deviceinfo.platform) {
 369       char **compatible = devinfo->deviceinfo.platform->compatible;
 370
 371       if (compatible && *compatible)
 372          if (!strcmp("allwinner,sun50i-h5-mali", *compatible))
 373             screen->plb_max_blk = 2048;
 374    }
 375
 376    drmFreeDevice(&devinfo);
 377
 378    return true;
 379 }
 380
 381 static bool
 382 lima_screen_query_info(struct lima_screen *screen)
 383 {
 384    struct drm_lima_get_param param;
 385
 386    memset(&param, 0, sizeof(param));
 387    param.param = DRM_LIMA_PARAM_GPU_ID;
 388    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 389       return false;
 390
 391    switch (param.value) {
 392    case DRM_LIMA_PARAM_GPU_ID_MALI400:
 393    case DRM_LIMA_PARAM_GPU_ID_MALI450:
 394       screen->gpu_type = param.value;
 395       break;
 396    default:
 397       return false;
 398    }
 399
 400    memset(&param, 0, sizeof(param));
 401    param.param = DRM_LIMA_PARAM_NUM_PP;
 402    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 403       return false;
 404
 405    screen->num_pp = param.value;
 406
 407    lima_screen_set_plb_max_blk(screen);
 408
 409    return true;
 410 }
 411
 412 static void
 413 lima_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 414                                    enum pipe_format format, int max,
 415                                    uint64_t *modifiers,
 416                                    unsigned int *external_only,
 417                                    int *count)
 418 {
 419    uint64_t available_modifiers[] = {
 420       DRM_FORMAT_MOD_LINEAR,
 421    };
 422
 423    if (!modifiers) {
 424       *count = ARRAY_SIZE(available_modifiers);
 425       return;
 426    }
 427
 428    for (int i = 0; i < *count; i++) {
 429       modifiers[i] = available_modifiers[i];
 430       if (external_only)
 431          external_only = false;
 432    }
 433 }
 434
 435 static const struct debug_named_value debug_options[] = {
 436         { "gp",       LIMA_DEBUG_GP,
 437           "print GP shader compiler result of each stage" },
 438         { "pp",       LIMA_DEBUG_PP,
 439           "print PP shader compiler result of each stage" },
 440         { "dump",     LIMA_DEBUG_DUMP,
 441           "dump GPU command stream to $PWD/lima.dump" },
 442         { NULL }
 443 };
 444
 445 DEBUG_GET_ONCE_FLAGS_OPTION(lima_debug, "LIMA_DEBUG", debug_options, 0)
 446 uint32_t lima_debug;
 447
 448 static void
 449 lima_screen_parse_env(void)
 450 {
 451    lima_debug = debug_get_option_lima_debug();
 452
 453    if (lima_debug & LIMA_DEBUG_DUMP) {
 454       const char *dump_command = "lima.dump";
 455       printf("lima: dump command stream to file %s\n", dump_command);
 456       lima_dump_command_stream = fopen(dump_command, "w");
 457       if (!lima_dump_command_stream)
 458          fprintf(stderr, "lima: fail to open command stream log file %s\n",
 459                  dump_command);
 460    }
 461
 462    lima_ctx_num_plb = debug_get_num_option("LIMA_CTX_NUM_PLB", LIMA_CTX_PLB_DEF_NUM);
 463    if (lima_ctx_num_plb > LIMA_CTX_PLB_MAX_NUM ||
 464        lima_ctx_num_plb < LIMA_CTX_PLB_MIN_NUM) {
 465       fprintf(stderr, "lima: LIMA_CTX_NUM_PLB %d out of range [%d %d], "
 466               "reset to default %d\n", lima_ctx_num_plb, LIMA_CTX_PLB_MIN_NUM,
 467               LIMA_CTX_PLB_MAX_NUM, LIMA_CTX_PLB_DEF_NUM);
 468       lima_ctx_num_plb = LIMA_CTX_PLB_DEF_NUM;
 469    }
 470
 471    lima_plb_max_blk = debug_get_num_option("LIMA_PLB_MAX_BLK", 0);
 472    if (lima_plb_max_blk < 0 || lima_plb_max_blk > 65536) {
 473       fprintf(stderr, "lima: LIMA_PLB_MAX_BLK %d out of range [%d %d], "
 474               "reset to default %d\n", lima_plb_max_blk, 0, 65536, 0);
 475       lima_plb_max_blk = 0;
 476    }
 477
 478    lima_ppir_force_spilling = debug_get_num_option("LIMA_PPIR_FORCE_SPILLING", 0);
 479    if (lima_ppir_force_spilling < 0) {
 480       fprintf(stderr, "lima: LIMA_PPIR_FORCE_SPILLING %d less than 0, "
 481               "reset to default 0\n", lima_ppir_force_spilling);
 482       lima_ppir_force_spilling = 0;
 483    }
 484 }
 485
 486 struct pipe_screen *
 487 lima_screen_create(int fd, struct renderonly *ro)
 488 {
 489    struct lima_screen *screen;
 490
 491    screen = rzalloc(NULL, struct lima_screen);
 492    if (!screen)
 493       return NULL;
 494
 495    screen->fd = fd;
 496
 497    lima_screen_parse_env();
 498
 499    if (!lima_screen_query_info(screen))
 500       goto err_out0;
 501
 502    if (!lima_bo_table_init(screen))
 503       goto err_out0;
 504
 505    screen->pp_ra = ppir_regalloc_init(screen);
 506    if (!screen->pp_ra)
 507       goto err_out1;
 508
 509    screen->pp_buffer = lima_bo_create(screen, pp_buffer_size, 0);
 510    if (!screen->pp_buffer)
 511       goto err_out1;
 512
 513    /* fs program for clear buffer?
 514     * const0 1 0 0 -1.67773, mov.v0 $0 ^const0.xxxx, stop
 515     */
 516    static const uint32_t pp_clear_program[] = {
 517       0x00020425, 0x0000000c, 0x01e007cf, 0xb0000000,
 518       0x000005f5, 0x00000000, 0x00000000, 0x00000000,
 519    };
 520    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_program_offset,
 521           pp_clear_program, sizeof(pp_clear_program));
 522
 523    /* copy texture to framebuffer, used to reload gpu tile buffer
 524     * load.v $1 0.xy, texld_2d 0, mov.v0 $0 ^tex_sampler, sync, stop
 525     */
 526    static const uint32_t pp_reload_program[] = {
 527       0x000005e6, 0xf1003c20, 0x00000000, 0x39001000,
 528       0x00000e4e, 0x000007cf, 0x00000000, 0x00000000,
 529    };
 530    memcpy(lima_bo_map(screen->pp_buffer) + pp_reload_program_offset,
 531           pp_reload_program, sizeof(pp_reload_program));
 532
 533    /* 0/1/2 vertex index for reload/clear draw */
 534    static const uint8_t pp_shared_index[] = { 0, 1, 2 };
 535    memcpy(lima_bo_map(screen->pp_buffer) + pp_shared_index_offset,
 536           pp_shared_index, sizeof(pp_shared_index));
 537
 538    /* 4096x4096 gl pos used for partial clear */
 539    static const float pp_clear_gl_pos[] = {
 540       4096, 0,    1, 1,
 541       0,    0,    1, 1,
 542       0,    4096, 1, 1,
 543    };
 544    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_gl_pos_offset,
 545           pp_clear_gl_pos, sizeof(pp_clear_gl_pos));
 546
 547    /* is pp frame render state static? */
 548    uint32_t *pp_frame_rsw = lima_bo_map(screen->pp_buffer) + pp_frame_rsw_offset;
 549    memset(pp_frame_rsw, 0, 0x40);
 550    pp_frame_rsw[8] = 0x0000f008;
 551    pp_frame_rsw[9] = screen->pp_buffer->va + pp_clear_program_offset;
 552    pp_frame_rsw[13] = 0x00000100;
 553
 554    if (ro) {
 555       screen->ro = renderonly_dup(ro);
 556       if (!screen->ro) {
 557          fprintf(stderr, "Failed to dup renderonly object\n");
 558          goto err_out2;
 559       }
 560    }
 561
 562    screen->base.destroy = lima_screen_destroy;
 563    screen->base.get_name = lima_screen_get_name;
 564    screen->base.get_vendor = lima_screen_get_vendor;
 565    screen->base.get_device_vendor = lima_screen_get_device_vendor;
 566    screen->base.get_param = lima_screen_get_param;
 567    screen->base.get_paramf = lima_screen_get_paramf;
 568    screen->base.get_shader_param = lima_screen_get_shader_param;
 569    screen->base.context_create = lima_context_create;
 570    screen->base.is_format_supported = lima_screen_is_format_supported;
 571    screen->base.get_compiler_options = lima_screen_get_compiler_options;
 572    screen->base.query_dmabuf_modifiers = lima_screen_query_dmabuf_modifiers;
 573
 574    lima_resource_screen_init(screen);
 575    lima_fence_screen_init(screen);
 576
 577    slab_create_parent(&screen->transfer_pool, sizeof(struct lima_transfer), 16);
 578
 579    screen->refcnt = 1;
 580
 581    return &screen->base;
 582
 583 err_out2:
 584    lima_bo_free(screen->pp_buffer);
 585 err_out1:
 586    lima_bo_table_fini(screen);
 587 err_out0:
 588    ralloc_free(screen);
 589    return NULL;
 590 }