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       return 1;
 121
 122    case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 123       return 1 << (LIMA_MAX_MIP_LEVELS - 1);
 124    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 125    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 126       return LIMA_MAX_MIP_LEVELS;
 127
 128    case PIPE_CAP_VENDOR_ID:
 129       return 0x13B5;
 130
 131    case PIPE_CAP_VIDEO_MEMORY:
 132       return 0;
 133
 134    case PIPE_CAP_PCI_GROUP:
 135    case PIPE_CAP_PCI_BUS:
 136    case PIPE_CAP_PCI_DEVICE:
 137    case PIPE_CAP_PCI_FUNCTION:
 138       return 0;
 139
 140    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 141       return 0;
 142
 143    default:
 144       return u_pipe_screen_get_param_defaults(pscreen, param);
 145    }
 146 }
 147
 148 static float
 149 lima_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 150 {
 151    switch (param) {
 152    case PIPE_CAPF_MAX_LINE_WIDTH:
 153    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 154    case PIPE_CAPF_MAX_POINT_WIDTH:
 155    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 156       return 255.0f;
 157    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 158       return 16.0f;
 159    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 160       return 16.0f;
 161
 162    default:
 163       return 0.0f;
 164    }
 165 }
 166
 167 static int
 168 get_vertex_shader_param(struct lima_screen *screen,
 169                         enum pipe_shader_cap param)
 170 {
 171    switch (param) {
 172    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 173    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 174    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 175    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 176       return 16384; /* need investigate */
 177
 178    case PIPE_SHADER_CAP_MAX_INPUTS:
 179       return 16; /* attributes */
 180
 181    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 182       return LIMA_MAX_VARYING_NUM; /* varying */
 183
 184    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 185       return 4096; /* need investigate */
 186    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 187       return 1;
 188
 189    case PIPE_SHADER_CAP_PREFERRED_IR:
 190       return PIPE_SHADER_IR_NIR;
 191
 192    case PIPE_SHADER_CAP_MAX_TEMPS:
 193       return 256; /* need investigate */
 194
 195    default:
 196       return 0;
 197    }
 198 }
 199
 200 static int
 201 get_fragment_shader_param(struct lima_screen *screen,
 202                           enum pipe_shader_cap param)
 203 {
 204    switch (param) {
 205    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 206    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 207    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 208    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 209       return 16384; /* need investigate */
 210
 211    case PIPE_SHADER_CAP_MAX_INPUTS:
 212       return LIMA_MAX_VARYING_NUM - 1; /* varying, minus gl_Position */
 213
 214    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 215       return 4096; /* need investigate */
 216    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 217       return 1;
 218
 219    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 220       return 16; /* need investigate */
 221
 222    case PIPE_SHADER_CAP_PREFERRED_IR:
 223       return PIPE_SHADER_IR_NIR;
 224
 225    case PIPE_SHADER_CAP_MAX_TEMPS:
 226       return 256; /* need investigate */
 227
 228    default:
 229       return 0;
 230    }
 231 }
 232
 233 static int
 234 lima_screen_get_shader_param(struct pipe_screen *pscreen,
 235                              enum pipe_shader_type shader,
 236                              enum pipe_shader_cap param)
 237 {
 238    struct lima_screen *screen = lima_screen(pscreen);
 239
 240    switch (shader) {
 241    case PIPE_SHADER_FRAGMENT:
 242       return get_fragment_shader_param(screen, param);
 243    case PIPE_SHADER_VERTEX:
 244       return get_vertex_shader_param(screen, param);
 245
 246    default:
 247       return 0;
 248    }
 249 }
 250
 251 static boolean
 252 lima_screen_is_format_supported(struct pipe_screen *pscreen,
 253                                 enum pipe_format format,
 254                                 enum pipe_texture_target target,
 255                                 unsigned sample_count,
 256                                 unsigned storage_sample_count,
 257                                 unsigned usage)
 258 {
 259    switch (target) {
 260    case PIPE_BUFFER:
 261    case PIPE_TEXTURE_1D:
 262    case PIPE_TEXTURE_2D:
 263       break;
 264    default:
 265       return FALSE;
 266    }
 267
 268    if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 269       return false;
 270
 271    /* be able to support 16, now limit to 4 */
 272    if (sample_count > 1 && sample_count != 4)
 273       return FALSE;
 274
 275    if (usage & PIPE_BIND_RENDER_TARGET) {
 276       switch (format) {
 277       case PIPE_FORMAT_B8G8R8A8_UNORM:
 278       case PIPE_FORMAT_B8G8R8X8_UNORM:
 279       case PIPE_FORMAT_R8G8B8A8_UNORM:
 280       case PIPE_FORMAT_R8G8B8X8_UNORM:
 281       case PIPE_FORMAT_Z16_UNORM:
 282       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 283       case PIPE_FORMAT_Z24X8_UNORM:
 284          break;
 285       default:
 286          return FALSE;
 287       }
 288    }
 289
 290    if (usage & PIPE_BIND_DEPTH_STENCIL) {
 291       switch (format) {
 292       case PIPE_FORMAT_Z16_UNORM:
 293       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 294       case PIPE_FORMAT_Z24X8_UNORM:
 295          break;
 296       default:
 297          return FALSE;
 298       }
 299    }
 300
 301    if (usage & PIPE_BIND_VERTEX_BUFFER) {
 302       switch (format) {
 303       case PIPE_FORMAT_R32G32B32_FLOAT:
 304          break;
 305       default:
 306          return FALSE;
 307       }
 308    }
 309
 310    if (usage & PIPE_BIND_INDEX_BUFFER) {
 311       switch (format) {
 312       case PIPE_FORMAT_I8_UINT:
 313       case PIPE_FORMAT_I16_UINT:
 314       case PIPE_FORMAT_I32_UINT:
 315          break;
 316       default:
 317          return FALSE;
 318       }
 319    }
 320
 321    if (usage & PIPE_BIND_SAMPLER_VIEW) {
 322       switch (format) {
 323       case PIPE_FORMAT_R8G8B8X8_UNORM:
 324       case PIPE_FORMAT_R8G8B8A8_UNORM:
 325       case PIPE_FORMAT_B8G8R8X8_UNORM:
 326       case PIPE_FORMAT_B8G8R8A8_UNORM:
 327       case PIPE_FORMAT_A8B8G8R8_SRGB:
 328       case PIPE_FORMAT_B8G8R8A8_SRGB:
 329       case PIPE_FORMAT_Z16_UNORM:
 330       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 331       case PIPE_FORMAT_Z24X8_UNORM:
 332          break;
 333       default:
 334          return FALSE;
 335       }
 336    }
 337
 338    return TRUE;
 339 }
 340
 341 static const void *
 342 lima_screen_get_compiler_options(struct pipe_screen *pscreen,
 343                                  enum pipe_shader_ir ir,
 344                                  enum pipe_shader_type shader)
 345 {
 346    return lima_program_get_compiler_options(shader);
 347 }
 348
 349 static bool
 350 lima_screen_set_plb_max_blk(struct lima_screen *screen)
 351 {
 352    if (lima_plb_max_blk) {
 353       screen->plb_max_blk = lima_plb_max_blk;
 354       return true;
 355    }
 356
 357    if (screen->gpu_type == DRM_LIMA_PARAM_GPU_ID_MALI450)
 358       screen->plb_max_blk = 4096;
 359    else
 360       screen->plb_max_blk = 512;
 361
 362    drmDevicePtr devinfo;
 363
 364    if (drmGetDevice2(screen->fd, 0, &devinfo))
 365       return false;
 366
 367    if (devinfo->bustype == DRM_BUS_PLATFORM && devinfo->deviceinfo.platform) {
 368       char **compatible = devinfo->deviceinfo.platform->compatible;
 369
 370       if (compatible && *compatible)
 371          if (!strcmp("allwinner,sun50i-h5-mali", *compatible))
 372             screen->plb_max_blk = 2048;
 373    }
 374
 375    drmFreeDevice(&devinfo);
 376
 377    return true;
 378 }
 379
 380 static bool
 381 lima_screen_query_info(struct lima_screen *screen)
 382 {
 383    struct drm_lima_get_param param;
 384
 385    memset(&param, 0, sizeof(param));
 386    param.param = DRM_LIMA_PARAM_GPU_ID;
 387    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 388       return false;
 389
 390    switch (param.value) {
 391    case DRM_LIMA_PARAM_GPU_ID_MALI400:
 392    case DRM_LIMA_PARAM_GPU_ID_MALI450:
 393       screen->gpu_type = param.value;
 394       break;
 395    default:
 396       return false;
 397    }
 398
 399    memset(&param, 0, sizeof(param));
 400    param.param = DRM_LIMA_PARAM_NUM_PP;
 401    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 402       return false;
 403
 404    screen->num_pp = param.value;
 405
 406    lima_screen_set_plb_max_blk(screen);
 407
 408    return true;
 409 }
 410
 411 static void
 412 lima_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 413                                    enum pipe_format format, int max,
 414                                    uint64_t *modifiers,
 415                                    unsigned int *external_only,
 416                                    int *count)
 417 {
 418    uint64_t available_modifiers[] = {
 419       DRM_FORMAT_MOD_LINEAR,
 420    };
 421
 422    if (!modifiers) {
 423       *count = ARRAY_SIZE(available_modifiers);
 424       return;
 425    }
 426
 427    for (int i = 0; i < *count; i++) {
 428       modifiers[i] = available_modifiers[i];
 429       if (external_only)
 430          external_only = false;
 431    }
 432 }
 433
 434 static const struct debug_named_value debug_options[] = {
 435         { "gp",       LIMA_DEBUG_GP,
 436           "print GP shader compiler result of each stage" },
 437         { "pp",       LIMA_DEBUG_PP,
 438           "print PP shader compiler result of each stage" },
 439         { "dump",     LIMA_DEBUG_DUMP,
 440           "dump GPU command stream to $PWD/lima.dump" },
 441         { NULL }
 442 };
 443
 444 DEBUG_GET_ONCE_FLAGS_OPTION(lima_debug, "LIMA_DEBUG", debug_options, 0)
 445 uint32_t lima_debug;
 446
 447 static void
 448 lima_screen_parse_env(void)
 449 {
 450    lima_debug = debug_get_option_lima_debug();
 451
 452    if (lima_debug & LIMA_DEBUG_DUMP) {
 453       const char *dump_command = "lima.dump";
 454       printf("lima: dump command stream to file %s\n", dump_command);
 455       lima_dump_command_stream = fopen(dump_command, "w");
 456       if (!lima_dump_command_stream)
 457          fprintf(stderr, "lima: fail to open command stream log file %s\n",
 458                  dump_command);
 459    }
 460
 461    lima_ctx_num_plb = debug_get_num_option("LIMA_CTX_NUM_PLB", LIMA_CTX_PLB_DEF_NUM);
 462    if (lima_ctx_num_plb > LIMA_CTX_PLB_MAX_NUM ||
 463        lima_ctx_num_plb < LIMA_CTX_PLB_MIN_NUM) {
 464       fprintf(stderr, "lima: LIMA_CTX_NUM_PLB %d out of range [%d %d], "
 465               "reset to default %d\n", lima_ctx_num_plb, LIMA_CTX_PLB_MIN_NUM,
 466               LIMA_CTX_PLB_MAX_NUM, LIMA_CTX_PLB_DEF_NUM);
 467       lima_ctx_num_plb = LIMA_CTX_PLB_DEF_NUM;
 468    }
 469
 470    lima_plb_max_blk = debug_get_num_option("LIMA_PLB_MAX_BLK", 0);
 471    if (lima_plb_max_blk < 0 || lima_plb_max_blk > 65536) {
 472       fprintf(stderr, "lima: LIMA_PLB_MAX_BLK %d out of range [%d %d], "
 473               "reset to default %d\n", lima_plb_max_blk, 0, 65536, 0);
 474       lima_plb_max_blk = 0;
 475    }
 476
 477    lima_ppir_force_spilling = debug_get_num_option("LIMA_PPIR_FORCE_SPILLING", 0);
 478    if (lima_ppir_force_spilling < 0) {
 479       fprintf(stderr, "lima: LIMA_PPIR_FORCE_SPILLING %d less than 0, "
 480               "reset to default 0\n", lima_ppir_force_spilling);
 481       lima_ppir_force_spilling = 0;
 482    }
 483 }
 484
 485 struct pipe_screen *
 486 lima_screen_create(int fd, struct renderonly *ro)
 487 {
 488    struct lima_screen *screen;
 489
 490    screen = rzalloc(NULL, struct lima_screen);
 491    if (!screen)
 492       return NULL;
 493
 494    screen->fd = fd;
 495
 496    lima_screen_parse_env();
 497
 498    if (!lima_screen_query_info(screen))
 499       goto err_out0;
 500
 501    if (!lima_bo_table_init(screen))
 502       goto err_out0;
 503
 504    screen->pp_ra = ppir_regalloc_init(screen);
 505    if (!screen->pp_ra)
 506       goto err_out1;
 507
 508    screen->pp_buffer = lima_bo_create(screen, pp_buffer_size, 0);
 509    if (!screen->pp_buffer)
 510       goto err_out1;
 511
 512    /* fs program for clear buffer?
 513     * const0 1 0 0 -1.67773, mov.v0 $0 ^const0.xxxx, stop
 514     */
 515    static const uint32_t pp_clear_program[] = {
 516       0x00020425, 0x0000000c, 0x01e007cf, 0xb0000000,
 517       0x000005f5, 0x00000000, 0x00000000, 0x00000000,
 518    };
 519    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_program_offset,
 520           pp_clear_program, sizeof(pp_clear_program));
 521
 522    /* copy texture to framebuffer, used to reload gpu tile buffer
 523     * load.v $1 0.xy, texld_2d 0, mov.v0 $0 ^tex_sampler, sync, stop
 524     */
 525    static const uint32_t pp_reload_program[] = {
 526       0x000005e6, 0xf1003c20, 0x00000000, 0x39001000,
 527       0x00000e4e, 0x000007cf, 0x00000000, 0x00000000,
 528    };
 529    memcpy(lima_bo_map(screen->pp_buffer) + pp_reload_program_offset,
 530           pp_reload_program, sizeof(pp_reload_program));
 531
 532    /* 0/1/2 vertex index for reload/clear draw */
 533    static const uint8_t pp_shared_index[] = { 0, 1, 2 };
 534    memcpy(lima_bo_map(screen->pp_buffer) + pp_shared_index_offset,
 535           pp_shared_index, sizeof(pp_shared_index));
 536
 537    /* 4096x4096 gl pos used for partial clear */
 538    static const float pp_clear_gl_pos[] = {
 539       4096, 0,    1, 1,
 540       0,    0,    1, 1,
 541       0,    4096, 1, 1,
 542    };
 543    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_gl_pos_offset,
 544           pp_clear_gl_pos, sizeof(pp_clear_gl_pos));
 545
 546    /* is pp frame render state static? */
 547    uint32_t *pp_frame_rsw = lima_bo_map(screen->pp_buffer) + pp_frame_rsw_offset;
 548    memset(pp_frame_rsw, 0, 0x40);
 549    pp_frame_rsw[8] = 0x0000f008;
 550    pp_frame_rsw[9] = screen->pp_buffer->va + pp_clear_program_offset;
 551    pp_frame_rsw[13] = 0x00000100;
 552
 553    if (ro) {
 554       screen->ro = renderonly_dup(ro);
 555       if (!screen->ro) {
 556          fprintf(stderr, "Failed to dup renderonly object\n");
 557          goto err_out2;
 558       }
 559    }
 560
 561    screen->base.destroy = lima_screen_destroy;
 562    screen->base.get_name = lima_screen_get_name;
 563    screen->base.get_vendor = lima_screen_get_vendor;
 564    screen->base.get_device_vendor = lima_screen_get_device_vendor;
 565    screen->base.get_param = lima_screen_get_param;
 566    screen->base.get_paramf = lima_screen_get_paramf;
 567    screen->base.get_shader_param = lima_screen_get_shader_param;
 568    screen->base.context_create = lima_context_create;
 569    screen->base.is_format_supported = lima_screen_is_format_supported;
 570    screen->base.get_compiler_options = lima_screen_get_compiler_options;
 571    screen->base.query_dmabuf_modifiers = lima_screen_query_dmabuf_modifiers;
 572
 573    lima_resource_screen_init(screen);
 574    lima_fence_screen_init(screen);
 575
 576    slab_create_parent(&screen->transfer_pool, sizeof(struct lima_transfer), 16);
 577
 578    screen->refcnt = 1;
 579
 580    return &screen->base;
 581
 582 err_out2:
 583    lima_bo_free(screen->pp_buffer);
 584 err_out1:
 585    lima_bo_table_fini(screen);
 586 err_out0:
 587    ralloc_free(screen);
 588    return NULL;
 589 }