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_free(screen->pp_buffer);
  65
  66    lima_bo_table_fini(screen);
  67    ralloc_free(screen);
  68 }
  69
  70 static const char *
  71 lima_screen_get_name(struct pipe_screen *pscreen)
  72 {
  73    struct lima_screen *screen = lima_screen(pscreen);
  74
  75    switch (screen->gpu_type) {
  76    case DRM_LIMA_PARAM_GPU_ID_MALI400:
  77      return "Mali400";
  78    case DRM_LIMA_PARAM_GPU_ID_MALI450:
  79      return "Mali450";
  80    }
  81
  82    return NULL;
  83 }
  84
  85 static const char *
  86 lima_screen_get_vendor(struct pipe_screen *pscreen)
  87 {
  88    return "lima";
  89 }
  90
  91 static const char *
  92 lima_screen_get_device_vendor(struct pipe_screen *pscreen)
  93 {
  94    return "ARM";
  95 }
  96
  97 static int
  98 lima_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
  99 {
 100    switch (param) {
 101    case PIPE_CAP_NPOT_TEXTURES:
 102    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 103    case PIPE_CAP_ACCELERATED:
 104    case PIPE_CAP_UMA:
 105    case PIPE_CAP_NATIVE_FENCE_FD:
 106       return 1;
 107
 108    /* Unimplemented, but for exporting OpenGL 2.0 */
 109    case PIPE_CAP_OCCLUSION_QUERY:
 110    case PIPE_CAP_POINT_SPRITE:
 111       return 1;
 112
 113    /* not clear supported */
 114    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 115    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 116    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 117    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 118       return 1;
 119
 120    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 121    case PIPE_CAP_TGSI_FS_POINT_IS_SYSVAL:
 122    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 123       return 1;
 124
 125    case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 126       return 1 << (LIMA_MAX_MIP_LEVELS - 1);
 127    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 128    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 129       return LIMA_MAX_MIP_LEVELS;
 130
 131    case PIPE_CAP_VENDOR_ID:
 132       return 0x13B5;
 133
 134    case PIPE_CAP_VIDEO_MEMORY:
 135       return 0;
 136
 137    case PIPE_CAP_PCI_GROUP:
 138    case PIPE_CAP_PCI_BUS:
 139    case PIPE_CAP_PCI_DEVICE:
 140    case PIPE_CAP_PCI_FUNCTION:
 141       return 0;
 142
 143    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 144       return 0;
 145
 146    default:
 147       return u_pipe_screen_get_param_defaults(pscreen, param);
 148    }
 149 }
 150
 151 static float
 152 lima_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 153 {
 154    switch (param) {
 155    case PIPE_CAPF_MAX_LINE_WIDTH:
 156    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 157    case PIPE_CAPF_MAX_POINT_WIDTH:
 158    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 159       return 255.0f;
 160    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 161       return 16.0f;
 162    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 163       return 16.0f;
 164
 165    default:
 166       return 0.0f;
 167    }
 168 }
 169
 170 static int
 171 get_vertex_shader_param(struct lima_screen *screen,
 172                         enum pipe_shader_cap param)
 173 {
 174    switch (param) {
 175    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 176    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 177    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 178    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 179       return 16384; /* need investigate */
 180
 181    case PIPE_SHADER_CAP_MAX_INPUTS:
 182       return 16; /* attributes */
 183
 184    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 185       return LIMA_MAX_VARYING_NUM; /* varying */
 186
 187    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 188       return 4096; /* need investigate */
 189    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 190       return 1;
 191
 192    case PIPE_SHADER_CAP_PREFERRED_IR:
 193       return PIPE_SHADER_IR_NIR;
 194
 195    case PIPE_SHADER_CAP_MAX_TEMPS:
 196       return 256; /* need investigate */
 197
 198    default:
 199       return 0;
 200    }
 201 }
 202
 203 static int
 204 get_fragment_shader_param(struct lima_screen *screen,
 205                           enum pipe_shader_cap param)
 206 {
 207    switch (param) {
 208    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 209    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 210    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 211    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 212       return 16384; /* need investigate */
 213
 214    case PIPE_SHADER_CAP_MAX_INPUTS:
 215       return LIMA_MAX_VARYING_NUM - 1; /* varying, minus gl_Position */
 216
 217    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 218       return 4096; /* need investigate */
 219    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 220       return 1;
 221
 222    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 223       return 16; /* need investigate */
 224
 225    case PIPE_SHADER_CAP_PREFERRED_IR:
 226       return PIPE_SHADER_IR_NIR;
 227
 228    case PIPE_SHADER_CAP_MAX_TEMPS:
 229       return 256; /* need investigate */
 230
 231    default:
 232       return 0;
 233    }
 234 }
 235
 236 static int
 237 lima_screen_get_shader_param(struct pipe_screen *pscreen,
 238                              enum pipe_shader_type shader,
 239                              enum pipe_shader_cap param)
 240 {
 241    struct lima_screen *screen = lima_screen(pscreen);
 242
 243    switch (shader) {
 244    case PIPE_SHADER_FRAGMENT:
 245       return get_fragment_shader_param(screen, param);
 246    case PIPE_SHADER_VERTEX:
 247       return get_vertex_shader_param(screen, param);
 248
 249    default:
 250       return 0;
 251    }
 252 }
 253
 254 static bool
 255 lima_screen_is_format_supported(struct pipe_screen *pscreen,
 256                                 enum pipe_format format,
 257                                 enum pipe_texture_target target,
 258                                 unsigned sample_count,
 259                                 unsigned storage_sample_count,
 260                                 unsigned usage)
 261 {
 262    switch (target) {
 263    case PIPE_BUFFER:
 264    case PIPE_TEXTURE_1D:
 265    case PIPE_TEXTURE_2D:
 266       break;
 267    default:
 268       return false;
 269    }
 270
 271    if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 272       return false;
 273
 274    /* be able to support 16, now limit to 4 */
 275    if (sample_count > 1 && sample_count != 4)
 276       return false;
 277
 278    if (usage & PIPE_BIND_RENDER_TARGET &&
 279        !lima_format_pixel_supported(format))
 280       return false;
 281
 282    if (usage & PIPE_BIND_DEPTH_STENCIL) {
 283       switch (format) {
 284       case PIPE_FORMAT_Z16_UNORM:
 285       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 286       case PIPE_FORMAT_Z24X8_UNORM:
 287          break;
 288       default:
 289          return false;
 290       }
 291    }
 292
 293    if (usage & PIPE_BIND_VERTEX_BUFFER) {
 294       switch (format) {
 295       case PIPE_FORMAT_R32G32B32_FLOAT:
 296          break;
 297       default:
 298          return false;
 299       }
 300    }
 301
 302    if (usage & PIPE_BIND_INDEX_BUFFER) {
 303       switch (format) {
 304       case PIPE_FORMAT_I8_UINT:
 305       case PIPE_FORMAT_I16_UINT:
 306       case PIPE_FORMAT_I32_UINT:
 307          break;
 308       default:
 309          return false;
 310       }
 311    }
 312
 313    if (usage & PIPE_BIND_SAMPLER_VIEW)
 314       return lima_format_texel_supported(format);
 315
 316    return true;
 317 }
 318
 319 static const void *
 320 lima_screen_get_compiler_options(struct pipe_screen *pscreen,
 321                                  enum pipe_shader_ir ir,
 322                                  enum pipe_shader_type shader)
 323 {
 324    return lima_program_get_compiler_options(shader);
 325 }
 326
 327 static bool
 328 lima_screen_set_plb_max_blk(struct lima_screen *screen)
 329 {
 330    if (lima_plb_max_blk) {
 331       screen->plb_max_blk = lima_plb_max_blk;
 332       return true;
 333    }
 334
 335    if (screen->gpu_type == DRM_LIMA_PARAM_GPU_ID_MALI450)
 336       screen->plb_max_blk = 4096;
 337    else
 338       screen->plb_max_blk = 512;
 339
 340    drmDevicePtr devinfo;
 341
 342    if (drmGetDevice2(screen->fd, 0, &devinfo))
 343       return false;
 344
 345    if (devinfo->bustype == DRM_BUS_PLATFORM && devinfo->deviceinfo.platform) {
 346       char **compatible = devinfo->deviceinfo.platform->compatible;
 347
 348       if (compatible && *compatible)
 349          if (!strcmp("allwinner,sun50i-h5-mali", *compatible))
 350             screen->plb_max_blk = 2048;
 351    }
 352
 353    drmFreeDevice(&devinfo);
 354
 355    return true;
 356 }
 357
 358 static bool
 359 lima_screen_query_info(struct lima_screen *screen)
 360 {
 361    struct drm_lima_get_param param;
 362
 363    memset(&param, 0, sizeof(param));
 364    param.param = DRM_LIMA_PARAM_GPU_ID;
 365    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 366       return false;
 367
 368    switch (param.value) {
 369    case DRM_LIMA_PARAM_GPU_ID_MALI400:
 370    case DRM_LIMA_PARAM_GPU_ID_MALI450:
 371       screen->gpu_type = param.value;
 372       break;
 373    default:
 374       return false;
 375    }
 376
 377    memset(&param, 0, sizeof(param));
 378    param.param = DRM_LIMA_PARAM_NUM_PP;
 379    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 380       return false;
 381
 382    screen->num_pp = param.value;
 383
 384    lima_screen_set_plb_max_blk(screen);
 385
 386    return true;
 387 }
 388
 389 static void
 390 lima_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 391                                    enum pipe_format format, int max,
 392                                    uint64_t *modifiers,
 393                                    unsigned int *external_only,
 394                                    int *count)
 395 {
 396    uint64_t available_modifiers[] = {
 397       DRM_FORMAT_MOD_LINEAR,
 398    };
 399
 400    if (!modifiers) {
 401       *count = ARRAY_SIZE(available_modifiers);
 402       return;
 403    }
 404
 405    for (int i = 0; i < *count; i++) {
 406       modifiers[i] = available_modifiers[i];
 407       if (external_only)
 408          external_only = false;
 409    }
 410 }
 411
 412 static const struct debug_named_value debug_options[] = {
 413         { "gp",       LIMA_DEBUG_GP,
 414           "print GP shader compiler result of each stage" },
 415         { "pp",       LIMA_DEBUG_PP,
 416           "print PP shader compiler result of each stage" },
 417         { "dump",     LIMA_DEBUG_DUMP,
 418           "dump GPU command stream to $PWD/lima.dump" },
 419         { "shaderdb", LIMA_DEBUG_SHADERDB,
 420           "print shader information for shaderdb" },
 421         { NULL }
 422 };
 423
 424 DEBUG_GET_ONCE_FLAGS_OPTION(lima_debug, "LIMA_DEBUG", debug_options, 0)
 425 uint32_t lima_debug;
 426
 427 static void
 428 lima_screen_parse_env(void)
 429 {
 430    lima_debug = debug_get_option_lima_debug();
 431
 432    if (lima_debug & LIMA_DEBUG_DUMP) {
 433       const char *dump_command = "lima.dump";
 434       printf("lima: dump command stream to file %s\n", dump_command);
 435       lima_dump_command_stream = fopen(dump_command, "w");
 436       if (!lima_dump_command_stream)
 437          fprintf(stderr, "lima: fail to open command stream log file %s\n",
 438                  dump_command);
 439    }
 440
 441    lima_ctx_num_plb = debug_get_num_option("LIMA_CTX_NUM_PLB", LIMA_CTX_PLB_DEF_NUM);
 442    if (lima_ctx_num_plb > LIMA_CTX_PLB_MAX_NUM ||
 443        lima_ctx_num_plb < LIMA_CTX_PLB_MIN_NUM) {
 444       fprintf(stderr, "lima: LIMA_CTX_NUM_PLB %d out of range [%d %d], "
 445               "reset to default %d\n", lima_ctx_num_plb, LIMA_CTX_PLB_MIN_NUM,
 446               LIMA_CTX_PLB_MAX_NUM, LIMA_CTX_PLB_DEF_NUM);
 447       lima_ctx_num_plb = LIMA_CTX_PLB_DEF_NUM;
 448    }
 449
 450    lima_plb_max_blk = debug_get_num_option("LIMA_PLB_MAX_BLK", 0);
 451    if (lima_plb_max_blk < 0 || lima_plb_max_blk > 65536) {
 452       fprintf(stderr, "lima: LIMA_PLB_MAX_BLK %d out of range [%d %d], "
 453               "reset to default %d\n", lima_plb_max_blk, 0, 65536, 0);
 454       lima_plb_max_blk = 0;
 455    }
 456
 457    lima_ppir_force_spilling = debug_get_num_option("LIMA_PPIR_FORCE_SPILLING", 0);
 458    if (lima_ppir_force_spilling < 0) {
 459       fprintf(stderr, "lima: LIMA_PPIR_FORCE_SPILLING %d less than 0, "
 460               "reset to default 0\n", lima_ppir_force_spilling);
 461       lima_ppir_force_spilling = 0;
 462    }
 463 }
 464
 465 struct pipe_screen *
 466 lima_screen_create(int fd, struct renderonly *ro)
 467 {
 468    struct lima_screen *screen;
 469
 470    screen = rzalloc(NULL, struct lima_screen);
 471    if (!screen)
 472       return NULL;
 473
 474    screen->fd = fd;
 475
 476    lima_screen_parse_env();
 477
 478    if (!lima_screen_query_info(screen))
 479       goto err_out0;
 480
 481    if (!lima_bo_table_init(screen))
 482       goto err_out0;
 483
 484    screen->pp_ra = ppir_regalloc_init(screen);
 485    if (!screen->pp_ra)
 486       goto err_out1;
 487
 488    screen->pp_buffer = lima_bo_create(screen, pp_buffer_size, 0);
 489    if (!screen->pp_buffer)
 490       goto err_out1;
 491
 492    /* fs program for clear buffer?
 493     * const0 1 0 0 -1.67773, mov.v0 $0 ^const0.xxxx, stop
 494     */
 495    static const uint32_t pp_clear_program[] = {
 496       0x00020425, 0x0000000c, 0x01e007cf, 0xb0000000,
 497       0x000005f5, 0x00000000, 0x00000000, 0x00000000,
 498    };
 499    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_program_offset,
 500           pp_clear_program, sizeof(pp_clear_program));
 501
 502    /* copy texture to framebuffer, used to reload gpu tile buffer
 503     * load.v $1 0.xy, texld_2d 0, mov.v0 $0 ^tex_sampler, sync, stop
 504     */
 505    static const uint32_t pp_reload_program[] = {
 506       0x000005e6, 0xf1003c20, 0x00000000, 0x39001000,
 507       0x00000e4e, 0x000007cf, 0x00000000, 0x00000000,
 508    };
 509    memcpy(lima_bo_map(screen->pp_buffer) + pp_reload_program_offset,
 510           pp_reload_program, sizeof(pp_reload_program));
 511
 512    /* 0/1/2 vertex index for reload/clear draw */
 513    static const uint8_t pp_shared_index[] = { 0, 1, 2 };
 514    memcpy(lima_bo_map(screen->pp_buffer) + pp_shared_index_offset,
 515           pp_shared_index, sizeof(pp_shared_index));
 516
 517    /* 4096x4096 gl pos used for partial clear */
 518    static const float pp_clear_gl_pos[] = {
 519       4096, 0,    1, 1,
 520       0,    0,    1, 1,
 521       0,    4096, 1, 1,
 522    };
 523    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_gl_pos_offset,
 524           pp_clear_gl_pos, sizeof(pp_clear_gl_pos));
 525
 526    /* is pp frame render state static? */
 527    uint32_t *pp_frame_rsw = lima_bo_map(screen->pp_buffer) + pp_frame_rsw_offset;
 528    memset(pp_frame_rsw, 0, 0x40);
 529    pp_frame_rsw[8] = 0x0000f008;
 530    pp_frame_rsw[9] = screen->pp_buffer->va + pp_clear_program_offset;
 531    pp_frame_rsw[13] = 0x00000100;
 532
 533    if (ro) {
 534       screen->ro = renderonly_dup(ro);
 535       if (!screen->ro) {
 536          fprintf(stderr, "Failed to dup renderonly object\n");
 537          goto err_out2;
 538       }
 539    }
 540
 541    screen->base.destroy = lima_screen_destroy;
 542    screen->base.get_name = lima_screen_get_name;
 543    screen->base.get_vendor = lima_screen_get_vendor;
 544    screen->base.get_device_vendor = lima_screen_get_device_vendor;
 545    screen->base.get_param = lima_screen_get_param;
 546    screen->base.get_paramf = lima_screen_get_paramf;
 547    screen->base.get_shader_param = lima_screen_get_shader_param;
 548    screen->base.context_create = lima_context_create;
 549    screen->base.is_format_supported = lima_screen_is_format_supported;
 550    screen->base.get_compiler_options = lima_screen_get_compiler_options;
 551    screen->base.query_dmabuf_modifiers = lima_screen_query_dmabuf_modifiers;
 552
 553    lima_resource_screen_init(screen);
 554    lima_fence_screen_init(screen);
 555
 556    slab_create_parent(&screen->transfer_pool, sizeof(struct lima_transfer), 16);
 557
 558    screen->refcnt = 1;
 559
 560    return &screen->base;
 561
 562 err_out2:
 563    lima_bo_free(screen->pp_buffer);
 564 err_out1:
 565    lima_bo_table_fini(screen);
 566 err_out0:
 567    ralloc_free(screen);
 568    return NULL;
 569 }