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 "lima_format.h"
  42 #include "ir/lima_ir.h"
  43
  44 #include "xf86drm.h"
  45
  46 int lima_plb_max_blk = 0;
  47
  48 static void
  49 lima_screen_destroy(struct pipe_screen *pscreen)
  50 {
  51    struct lima_screen *screen = lima_screen(pscreen);
  52
  53    if (lima_dump_command_stream) {
  54       fclose(lima_dump_command_stream);
  55       lima_dump_command_stream = NULL;
  56    }
  57
  58    slab_destroy_parent(&screen->transfer_pool);
  59
  60    if (screen->ro)
  61       free(screen->ro);
  62
  63    if (screen->pp_buffer)
  64       lima_bo_unreference(screen->pp_buffer);
  65
  66    lima_bo_cache_fini(screen);
  67    lima_bo_table_fini(screen);
  68    ralloc_free(screen);
  69 }
  70
  71 static const char *
  72 lima_screen_get_name(struct pipe_screen *pscreen)
  73 {
  74    struct lima_screen *screen = lima_screen(pscreen);
  75
  76    switch (screen->gpu_type) {
  77    case DRM_LIMA_PARAM_GPU_ID_MALI400:
  78      return "Mali400";
  79    case DRM_LIMA_PARAM_GPU_ID_MALI450:
  80      return "Mali450";
  81    }
  82
  83    return NULL;
  84 }
  85
  86 static const char *
  87 lima_screen_get_vendor(struct pipe_screen *pscreen)
  88 {
  89    return "lima";
  90 }
  91
  92 static const char *
  93 lima_screen_get_device_vendor(struct pipe_screen *pscreen)
  94 {
  95    return "ARM";
  96 }
  97
  98 static int
  99 lima_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 100 {
 101    switch (param) {
 102    case PIPE_CAP_NPOT_TEXTURES:
 103    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 104    case PIPE_CAP_ACCELERATED:
 105    case PIPE_CAP_UMA:
 106    case PIPE_CAP_NATIVE_FENCE_FD:
 107       return 1;
 108
 109    /* Unimplemented, but for exporting OpenGL 2.0 */
 110    case PIPE_CAP_OCCLUSION_QUERY:
 111    case PIPE_CAP_POINT_SPRITE:
 112       return 1;
 113
 114    /* not clear supported */
 115    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 116    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 117    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 118    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 119       return 1;
 120
 121    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 122    case PIPE_CAP_TGSI_FS_POINT_IS_SYSVAL:
 123    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 124       return 1;
 125
 126    case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 127       return 1 << (LIMA_MAX_MIP_LEVELS - 1);
 128    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 129    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 130       return LIMA_MAX_MIP_LEVELS;
 131
 132    case PIPE_CAP_VENDOR_ID:
 133       return 0x13B5;
 134
 135    case PIPE_CAP_VIDEO_MEMORY:
 136       return 0;
 137
 138    case PIPE_CAP_PCI_GROUP:
 139    case PIPE_CAP_PCI_BUS:
 140    case PIPE_CAP_PCI_DEVICE:
 141    case PIPE_CAP_PCI_FUNCTION:
 142       return 0;
 143
 144    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 145       return 0;
 146
 147    default:
 148       return u_pipe_screen_get_param_defaults(pscreen, param);
 149    }
 150 }
 151
 152 static float
 153 lima_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 154 {
 155    switch (param) {
 156    case PIPE_CAPF_MAX_LINE_WIDTH:
 157    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 158    case PIPE_CAPF_MAX_POINT_WIDTH:
 159    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 160       return 100.0f;
 161    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 162       return 16.0f;
 163    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 164       return 16.0f;
 165
 166    default:
 167       return 0.0f;
 168    }
 169 }
 170
 171 static int
 172 get_vertex_shader_param(struct lima_screen *screen,
 173                         enum pipe_shader_cap param)
 174 {
 175    switch (param) {
 176    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 177    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 178    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 179    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 180       return 16384; /* need investigate */
 181
 182    case PIPE_SHADER_CAP_MAX_INPUTS:
 183       return 16; /* attributes */
 184
 185    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 186       return LIMA_MAX_VARYING_NUM; /* varying */
 187
 188    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 189       return 4096; /* need investigate */
 190    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 191       return 1;
 192
 193    case PIPE_SHADER_CAP_PREFERRED_IR:
 194       return PIPE_SHADER_IR_NIR;
 195
 196    case PIPE_SHADER_CAP_MAX_TEMPS:
 197       return 256; /* need investigate */
 198
 199    default:
 200       return 0;
 201    }
 202 }
 203
 204 static int
 205 get_fragment_shader_param(struct lima_screen *screen,
 206                           enum pipe_shader_cap param)
 207 {
 208    switch (param) {
 209    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 210    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 211    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 212    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 213       return 16384; /* need investigate */
 214
 215    case PIPE_SHADER_CAP_MAX_INPUTS:
 216       return LIMA_MAX_VARYING_NUM - 1; /* varying, minus gl_Position */
 217
 218    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 219       return 4096; /* need investigate */
 220    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 221       return 1;
 222
 223    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 224       return 16; /* need investigate */
 225
 226    case PIPE_SHADER_CAP_PREFERRED_IR:
 227       return PIPE_SHADER_IR_NIR;
 228
 229    case PIPE_SHADER_CAP_MAX_TEMPS:
 230       return 256; /* need investigate */
 231
 232    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 233    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 234       return 1;
 235
 236    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 237    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 238       return 0;
 239
 240    default:
 241       return 0;
 242    }
 243 }
 244
 245 static int
 246 lima_screen_get_shader_param(struct pipe_screen *pscreen,
 247                              enum pipe_shader_type shader,
 248                              enum pipe_shader_cap param)
 249 {
 250    struct lima_screen *screen = lima_screen(pscreen);
 251
 252    switch (shader) {
 253    case PIPE_SHADER_FRAGMENT:
 254       return get_fragment_shader_param(screen, param);
 255    case PIPE_SHADER_VERTEX:
 256       return get_vertex_shader_param(screen, param);
 257
 258    default:
 259       return 0;
 260    }
 261 }
 262
 263 static bool
 264 lima_screen_is_format_supported(struct pipe_screen *pscreen,
 265                                 enum pipe_format format,
 266                                 enum pipe_texture_target target,
 267                                 unsigned sample_count,
 268                                 unsigned storage_sample_count,
 269                                 unsigned usage)
 270 {
 271    switch (target) {
 272    case PIPE_BUFFER:
 273    case PIPE_TEXTURE_1D:
 274    case PIPE_TEXTURE_2D:
 275    case PIPE_TEXTURE_RECT:
 276    case PIPE_TEXTURE_CUBE:
 277       break;
 278    default:
 279       return false;
 280    }
 281
 282    if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 283       return false;
 284
 285    /* be able to support 16, now limit to 4 */
 286    if (sample_count > 1 && sample_count != 4)
 287       return false;
 288
 289    if (usage & PIPE_BIND_RENDER_TARGET &&
 290        !lima_format_pixel_supported(format))
 291       return false;
 292
 293    if (usage & PIPE_BIND_DEPTH_STENCIL) {
 294       switch (format) {
 295       case PIPE_FORMAT_Z16_UNORM:
 296       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 297       case PIPE_FORMAT_Z24X8_UNORM:
 298          break;
 299       default:
 300          return false;
 301       }
 302    }
 303
 304    if (usage & PIPE_BIND_VERTEX_BUFFER) {
 305       switch (format) {
 306       case PIPE_FORMAT_R32G32B32_FLOAT:
 307          break;
 308       default:
 309          return false;
 310       }
 311    }
 312
 313    if (usage & PIPE_BIND_INDEX_BUFFER) {
 314       switch (format) {
 315       case PIPE_FORMAT_I8_UINT:
 316       case PIPE_FORMAT_I16_UINT:
 317       case PIPE_FORMAT_I32_UINT:
 318          break;
 319       default:
 320          return false;
 321       }
 322    }
 323
 324    if (usage & PIPE_BIND_SAMPLER_VIEW)
 325       return lima_format_texel_supported(format);
 326
 327    return true;
 328 }
 329
 330 static const void *
 331 lima_screen_get_compiler_options(struct pipe_screen *pscreen,
 332                                  enum pipe_shader_ir ir,
 333                                  enum pipe_shader_type shader)
 334 {
 335    return lima_program_get_compiler_options(shader);
 336 }
 337
 338 static bool
 339 lima_screen_set_plb_max_blk(struct lima_screen *screen)
 340 {
 341    if (lima_plb_max_blk) {
 342       screen->plb_max_blk = lima_plb_max_blk;
 343       return true;
 344    }
 345
 346    if (screen->gpu_type == DRM_LIMA_PARAM_GPU_ID_MALI450)
 347       screen->plb_max_blk = 4096;
 348    else
 349       screen->plb_max_blk = 512;
 350
 351    drmDevicePtr devinfo;
 352
 353    if (drmGetDevice2(screen->fd, 0, &devinfo))
 354       return false;
 355
 356    if (devinfo->bustype == DRM_BUS_PLATFORM && devinfo->deviceinfo.platform) {
 357       char **compatible = devinfo->deviceinfo.platform->compatible;
 358
 359       if (compatible && *compatible)
 360          if (!strcmp("allwinner,sun50i-h5-mali", *compatible))
 361             screen->plb_max_blk = 2048;
 362    }
 363
 364    drmFreeDevice(&devinfo);
 365
 366    return true;
 367 }
 368
 369 static bool
 370 lima_screen_query_info(struct lima_screen *screen)
 371 {
 372    struct drm_lima_get_param param;
 373
 374    memset(&param, 0, sizeof(param));
 375    param.param = DRM_LIMA_PARAM_GPU_ID;
 376    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 377       return false;
 378
 379    switch (param.value) {
 380    case DRM_LIMA_PARAM_GPU_ID_MALI400:
 381    case DRM_LIMA_PARAM_GPU_ID_MALI450:
 382       screen->gpu_type = param.value;
 383       break;
 384    default:
 385       return false;
 386    }
 387
 388    memset(&param, 0, sizeof(param));
 389    param.param = DRM_LIMA_PARAM_NUM_PP;
 390    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 391       return false;
 392
 393    screen->num_pp = param.value;
 394
 395    lima_screen_set_plb_max_blk(screen);
 396
 397    return true;
 398 }
 399
 400 static void
 401 lima_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 402                                    enum pipe_format format, int max,
 403                                    uint64_t *modifiers,
 404                                    unsigned int *external_only,
 405                                    int *count)
 406 {
 407    uint64_t available_modifiers[] = {
 408       DRM_FORMAT_MOD_LINEAR,
 409    };
 410
 411    if (!modifiers) {
 412       *count = ARRAY_SIZE(available_modifiers);
 413       return;
 414    }
 415
 416    for (int i = 0; i < *count; i++) {
 417       modifiers[i] = available_modifiers[i];
 418       if (external_only)
 419          external_only = false;
 420    }
 421 }
 422
 423 static const struct debug_named_value debug_options[] = {
 424         { "gp",       LIMA_DEBUG_GP,
 425           "print GP shader compiler result of each stage" },
 426         { "pp",       LIMA_DEBUG_PP,
 427           "print PP shader compiler result of each stage" },
 428         { "dump",     LIMA_DEBUG_DUMP,
 429           "dump GPU command stream to $PWD/lima.dump" },
 430         { "shaderdb", LIMA_DEBUG_SHADERDB,
 431           "print shader information for shaderdb" },
 432         { "nobocache", LIMA_DEBUG_NO_BO_CACHE,
 433           "disable BO cache" },
 434         { "bocache", LIMA_DEBUG_BO_CACHE,
 435           "print debug info for BO cache" },
 436         { NULL }
 437 };
 438
 439 DEBUG_GET_ONCE_FLAGS_OPTION(lima_debug, "LIMA_DEBUG", debug_options, 0)
 440 uint32_t lima_debug;
 441
 442 static void
 443 lima_screen_parse_env(void)
 444 {
 445    lima_debug = debug_get_option_lima_debug();
 446
 447    if (lima_debug & LIMA_DEBUG_DUMP) {
 448       const char *dump_command = "lima.dump";
 449       printf("lima: dump command stream to file %s\n", dump_command);
 450       lima_dump_command_stream = fopen(dump_command, "w");
 451       if (!lima_dump_command_stream)
 452          fprintf(stderr, "lima: fail to open command stream log file %s\n",
 453                  dump_command);
 454    }
 455
 456    lima_ctx_num_plb = debug_get_num_option("LIMA_CTX_NUM_PLB", LIMA_CTX_PLB_DEF_NUM);
 457    if (lima_ctx_num_plb > LIMA_CTX_PLB_MAX_NUM ||
 458        lima_ctx_num_plb < LIMA_CTX_PLB_MIN_NUM) {
 459       fprintf(stderr, "lima: LIMA_CTX_NUM_PLB %d out of range [%d %d], "
 460               "reset to default %d\n", lima_ctx_num_plb, LIMA_CTX_PLB_MIN_NUM,
 461               LIMA_CTX_PLB_MAX_NUM, LIMA_CTX_PLB_DEF_NUM);
 462       lima_ctx_num_plb = LIMA_CTX_PLB_DEF_NUM;
 463    }
 464
 465    lima_plb_max_blk = debug_get_num_option("LIMA_PLB_MAX_BLK", 0);
 466    if (lima_plb_max_blk < 0 || lima_plb_max_blk > 65536) {
 467       fprintf(stderr, "lima: LIMA_PLB_MAX_BLK %d out of range [%d %d], "
 468               "reset to default %d\n", lima_plb_max_blk, 0, 65536, 0);
 469       lima_plb_max_blk = 0;
 470    }
 471
 472    lima_ppir_force_spilling = debug_get_num_option("LIMA_PPIR_FORCE_SPILLING", 0);
 473    if (lima_ppir_force_spilling < 0) {
 474       fprintf(stderr, "lima: LIMA_PPIR_FORCE_SPILLING %d less than 0, "
 475               "reset to default 0\n", lima_ppir_force_spilling);
 476       lima_ppir_force_spilling = 0;
 477    }
 478 }
 479
 480 struct pipe_screen *
 481 lima_screen_create(int fd, struct renderonly *ro)
 482 {
 483    struct lima_screen *screen;
 484
 485    screen = rzalloc(NULL, struct lima_screen);
 486    if (!screen)
 487       return NULL;
 488
 489    screen->fd = fd;
 490
 491    lima_screen_parse_env();
 492
 493    if (!lima_screen_query_info(screen))
 494       goto err_out0;
 495
 496    if (!lima_bo_cache_init(screen))
 497       goto err_out0;
 498
 499    if (!lima_bo_table_init(screen))
 500       goto err_out1;
 501
 502    screen->pp_ra = ppir_regalloc_init(screen);
 503    if (!screen->pp_ra)
 504       goto err_out2;
 505
 506    screen->pp_buffer = lima_bo_create(screen, pp_buffer_size, 0);
 507    if (!screen->pp_buffer)
 508       goto err_out2;
 509    screen->pp_buffer->cacheable = false;
 510
 511    /* fs program for clear buffer?
 512     * const0 1 0 0 -1.67773, mov.v0 $0 ^const0.xxxx, stop
 513     */
 514    static const uint32_t pp_clear_program[] = {
 515       0x00020425, 0x0000000c, 0x01e007cf, 0xb0000000,
 516       0x000005f5, 0x00000000, 0x00000000, 0x00000000,
 517    };
 518    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_program_offset,
 519           pp_clear_program, sizeof(pp_clear_program));
 520
 521    /* copy texture to framebuffer, used to reload gpu tile buffer
 522     * load.v $1 0.xy, texld_2d 0, mov.v0 $0 ^tex_sampler, sync, stop
 523     */
 524    static const uint32_t pp_reload_program[] = {
 525       0x000005e6, 0xf1003c20, 0x00000000, 0x39001000,
 526       0x00000e4e, 0x000007cf, 0x00000000, 0x00000000,
 527    };
 528    memcpy(lima_bo_map(screen->pp_buffer) + pp_reload_program_offset,
 529           pp_reload_program, sizeof(pp_reload_program));
 530
 531    /* 0/1/2 vertex index for reload/clear draw */
 532    static const uint8_t pp_shared_index[] = { 0, 1, 2 };
 533    memcpy(lima_bo_map(screen->pp_buffer) + pp_shared_index_offset,
 534           pp_shared_index, sizeof(pp_shared_index));
 535
 536    /* 4096x4096 gl pos used for partial clear */
 537    static const float pp_clear_gl_pos[] = {
 538       4096, 0,    1, 1,
 539       0,    0,    1, 1,
 540       0,    4096, 1, 1,
 541    };
 542    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_gl_pos_offset,
 543           pp_clear_gl_pos, sizeof(pp_clear_gl_pos));
 544
 545    /* is pp frame render state static? */
 546    uint32_t *pp_frame_rsw = lima_bo_map(screen->pp_buffer) + pp_frame_rsw_offset;
 547    memset(pp_frame_rsw, 0, 0x40);
 548    pp_frame_rsw[8] = 0x0000f008;
 549    pp_frame_rsw[9] = screen->pp_buffer->va + pp_clear_program_offset;
 550    pp_frame_rsw[13] = 0x00000100;
 551
 552    if (ro) {
 553       screen->ro = renderonly_dup(ro);
 554       if (!screen->ro) {
 555          fprintf(stderr, "Failed to dup renderonly object\n");
 556          goto err_out3;
 557       }
 558    }
 559
 560    screen->base.destroy = lima_screen_destroy;
 561    screen->base.get_name = lima_screen_get_name;
 562    screen->base.get_vendor = lima_screen_get_vendor;
 563    screen->base.get_device_vendor = lima_screen_get_device_vendor;
 564    screen->base.get_param = lima_screen_get_param;
 565    screen->base.get_paramf = lima_screen_get_paramf;
 566    screen->base.get_shader_param = lima_screen_get_shader_param;
 567    screen->base.context_create = lima_context_create;
 568    screen->base.is_format_supported = lima_screen_is_format_supported;
 569    screen->base.get_compiler_options = lima_screen_get_compiler_options;
 570    screen->base.query_dmabuf_modifiers = lima_screen_query_dmabuf_modifiers;
 571
 572    lima_resource_screen_init(screen);
 573    lima_fence_screen_init(screen);
 574
 575    slab_create_parent(&screen->transfer_pool, sizeof(struct lima_transfer), 16);
 576
 577    screen->refcnt = 1;
 578
 579    return &screen->base;
 580
 581 err_out3:
 582    lima_bo_unreference(screen->pp_buffer);
 583 err_out2:
 584    lima_bo_table_fini(screen);
 585 err_out1:
 586    lima_bo_cache_fini(screen);
 587 err_out0:
 588    ralloc_free(screen);
 589    return NULL;
 590 }