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 255.0f;
 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    default:
 233       return 0;
 234    }
 235 }
 236
 237 static int
 238 lima_screen_get_shader_param(struct pipe_screen *pscreen,
 239                              enum pipe_shader_type shader,
 240                              enum pipe_shader_cap param)
 241 {
 242    struct lima_screen *screen = lima_screen(pscreen);
 243
 244    switch (shader) {
 245    case PIPE_SHADER_FRAGMENT:
 246       return get_fragment_shader_param(screen, param);
 247    case PIPE_SHADER_VERTEX:
 248       return get_vertex_shader_param(screen, param);
 249
 250    default:
 251       return 0;
 252    }
 253 }
 254
 255 static bool
 256 lima_screen_is_format_supported(struct pipe_screen *pscreen,
 257                                 enum pipe_format format,
 258                                 enum pipe_texture_target target,
 259                                 unsigned sample_count,
 260                                 unsigned storage_sample_count,
 261                                 unsigned usage)
 262 {
 263    switch (target) {
 264    case PIPE_BUFFER:
 265    case PIPE_TEXTURE_1D:
 266    case PIPE_TEXTURE_2D:
 267       break;
 268    default:
 269       return false;
 270    }
 271
 272    if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 273       return false;
 274
 275    /* be able to support 16, now limit to 4 */
 276    if (sample_count > 1 && sample_count != 4)
 277       return false;
 278
 279    if (usage & PIPE_BIND_RENDER_TARGET &&
 280        !lima_format_pixel_supported(format))
 281       return false;
 282
 283    if (usage & PIPE_BIND_DEPTH_STENCIL) {
 284       switch (format) {
 285       case PIPE_FORMAT_Z16_UNORM:
 286       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 287       case PIPE_FORMAT_Z24X8_UNORM:
 288          break;
 289       default:
 290          return false;
 291       }
 292    }
 293
 294    if (usage & PIPE_BIND_VERTEX_BUFFER) {
 295       switch (format) {
 296       case PIPE_FORMAT_R32G32B32_FLOAT:
 297          break;
 298       default:
 299          return false;
 300       }
 301    }
 302
 303    if (usage & PIPE_BIND_INDEX_BUFFER) {
 304       switch (format) {
 305       case PIPE_FORMAT_I8_UINT:
 306       case PIPE_FORMAT_I16_UINT:
 307       case PIPE_FORMAT_I32_UINT:
 308          break;
 309       default:
 310          return false;
 311       }
 312    }
 313
 314    if (usage & PIPE_BIND_SAMPLER_VIEW)
 315       return lima_format_texel_supported(format);
 316
 317    return true;
 318 }
 319
 320 static const void *
 321 lima_screen_get_compiler_options(struct pipe_screen *pscreen,
 322                                  enum pipe_shader_ir ir,
 323                                  enum pipe_shader_type shader)
 324 {
 325    return lima_program_get_compiler_options(shader);
 326 }
 327
 328 static bool
 329 lima_screen_set_plb_max_blk(struct lima_screen *screen)
 330 {
 331    if (lima_plb_max_blk) {
 332       screen->plb_max_blk = lima_plb_max_blk;
 333       return true;
 334    }
 335
 336    if (screen->gpu_type == DRM_LIMA_PARAM_GPU_ID_MALI450)
 337       screen->plb_max_blk = 4096;
 338    else
 339       screen->plb_max_blk = 512;
 340
 341    drmDevicePtr devinfo;
 342
 343    if (drmGetDevice2(screen->fd, 0, &devinfo))
 344       return false;
 345
 346    if (devinfo->bustype == DRM_BUS_PLATFORM && devinfo->deviceinfo.platform) {
 347       char **compatible = devinfo->deviceinfo.platform->compatible;
 348
 349       if (compatible && *compatible)
 350          if (!strcmp("allwinner,sun50i-h5-mali", *compatible))
 351             screen->plb_max_blk = 2048;
 352    }
 353
 354    drmFreeDevice(&devinfo);
 355
 356    return true;
 357 }
 358
 359 static bool
 360 lima_screen_query_info(struct lima_screen *screen)
 361 {
 362    struct drm_lima_get_param param;
 363
 364    memset(&param, 0, sizeof(param));
 365    param.param = DRM_LIMA_PARAM_GPU_ID;
 366    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 367       return false;
 368
 369    switch (param.value) {
 370    case DRM_LIMA_PARAM_GPU_ID_MALI400:
 371    case DRM_LIMA_PARAM_GPU_ID_MALI450:
 372       screen->gpu_type = param.value;
 373       break;
 374    default:
 375       return false;
 376    }
 377
 378    memset(&param, 0, sizeof(param));
 379    param.param = DRM_LIMA_PARAM_NUM_PP;
 380    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 381       return false;
 382
 383    screen->num_pp = param.value;
 384
 385    lima_screen_set_plb_max_blk(screen);
 386
 387    return true;
 388 }
 389
 390 static void
 391 lima_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 392                                    enum pipe_format format, int max,
 393                                    uint64_t *modifiers,
 394                                    unsigned int *external_only,
 395                                    int *count)
 396 {
 397    uint64_t available_modifiers[] = {
 398       DRM_FORMAT_MOD_LINEAR,
 399    };
 400
 401    if (!modifiers) {
 402       *count = ARRAY_SIZE(available_modifiers);
 403       return;
 404    }
 405
 406    for (int i = 0; i < *count; i++) {
 407       modifiers[i] = available_modifiers[i];
 408       if (external_only)
 409          external_only = false;
 410    }
 411 }
 412
 413 static const struct debug_named_value debug_options[] = {
 414         { "gp",       LIMA_DEBUG_GP,
 415           "print GP shader compiler result of each stage" },
 416         { "pp",       LIMA_DEBUG_PP,
 417           "print PP shader compiler result of each stage" },
 418         { "dump",     LIMA_DEBUG_DUMP,
 419           "dump GPU command stream to $PWD/lima.dump" },
 420         { "shaderdb", LIMA_DEBUG_SHADERDB,
 421           "print shader information for shaderdb" },
 422         { "nobocache", LIMA_DEBUG_NO_BO_CACHE,
 423           "disable BO cache" },
 424         { NULL }
 425 };
 426
 427 DEBUG_GET_ONCE_FLAGS_OPTION(lima_debug, "LIMA_DEBUG", debug_options, 0)
 428 uint32_t lima_debug;
 429
 430 static void
 431 lima_screen_parse_env(void)
 432 {
 433    lima_debug = debug_get_option_lima_debug();
 434
 435    if (lima_debug & LIMA_DEBUG_DUMP) {
 436       const char *dump_command = "lima.dump";
 437       printf("lima: dump command stream to file %s\n", dump_command);
 438       lima_dump_command_stream = fopen(dump_command, "w");
 439       if (!lima_dump_command_stream)
 440          fprintf(stderr, "lima: fail to open command stream log file %s\n",
 441                  dump_command);
 442    }
 443
 444    lima_ctx_num_plb = debug_get_num_option("LIMA_CTX_NUM_PLB", LIMA_CTX_PLB_DEF_NUM);
 445    if (lima_ctx_num_plb > LIMA_CTX_PLB_MAX_NUM ||
 446        lima_ctx_num_plb < LIMA_CTX_PLB_MIN_NUM) {
 447       fprintf(stderr, "lima: LIMA_CTX_NUM_PLB %d out of range [%d %d], "
 448               "reset to default %d\n", lima_ctx_num_plb, LIMA_CTX_PLB_MIN_NUM,
 449               LIMA_CTX_PLB_MAX_NUM, LIMA_CTX_PLB_DEF_NUM);
 450       lima_ctx_num_plb = LIMA_CTX_PLB_DEF_NUM;
 451    }
 452
 453    lima_plb_max_blk = debug_get_num_option("LIMA_PLB_MAX_BLK", 0);
 454    if (lima_plb_max_blk < 0 || lima_plb_max_blk > 65536) {
 455       fprintf(stderr, "lima: LIMA_PLB_MAX_BLK %d out of range [%d %d], "
 456               "reset to default %d\n", lima_plb_max_blk, 0, 65536, 0);
 457       lima_plb_max_blk = 0;
 458    }
 459
 460    lima_ppir_force_spilling = debug_get_num_option("LIMA_PPIR_FORCE_SPILLING", 0);
 461    if (lima_ppir_force_spilling < 0) {
 462       fprintf(stderr, "lima: LIMA_PPIR_FORCE_SPILLING %d less than 0, "
 463               "reset to default 0\n", lima_ppir_force_spilling);
 464       lima_ppir_force_spilling = 0;
 465    }
 466 }
 467
 468 struct pipe_screen *
 469 lima_screen_create(int fd, struct renderonly *ro)
 470 {
 471    struct lima_screen *screen;
 472
 473    screen = rzalloc(NULL, struct lima_screen);
 474    if (!screen)
 475       return NULL;
 476
 477    screen->fd = fd;
 478
 479    lima_screen_parse_env();
 480
 481    if (!lima_screen_query_info(screen))
 482       goto err_out0;
 483
 484    if (!lima_bo_cache_init(screen))
 485       goto err_out0;
 486
 487    if (!lima_bo_table_init(screen))
 488       goto err_out1;
 489
 490    screen->pp_ra = ppir_regalloc_init(screen);
 491    if (!screen->pp_ra)
 492       goto err_out2;
 493
 494    screen->pp_buffer = lima_bo_create(screen, pp_buffer_size, 0);
 495    if (!screen->pp_buffer)
 496       goto err_out2;
 497    screen->pp_buffer->cacheable = false;
 498
 499    /* fs program for clear buffer?
 500     * const0 1 0 0 -1.67773, mov.v0 $0 ^const0.xxxx, stop
 501     */
 502    static const uint32_t pp_clear_program[] = {
 503       0x00020425, 0x0000000c, 0x01e007cf, 0xb0000000,
 504       0x000005f5, 0x00000000, 0x00000000, 0x00000000,
 505    };
 506    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_program_offset,
 507           pp_clear_program, sizeof(pp_clear_program));
 508
 509    /* copy texture to framebuffer, used to reload gpu tile buffer
 510     * load.v $1 0.xy, texld_2d 0, mov.v0 $0 ^tex_sampler, sync, stop
 511     */
 512    static const uint32_t pp_reload_program[] = {
 513       0x000005e6, 0xf1003c20, 0x00000000, 0x39001000,
 514       0x00000e4e, 0x000007cf, 0x00000000, 0x00000000,
 515    };
 516    memcpy(lima_bo_map(screen->pp_buffer) + pp_reload_program_offset,
 517           pp_reload_program, sizeof(pp_reload_program));
 518
 519    /* 0/1/2 vertex index for reload/clear draw */
 520    static const uint8_t pp_shared_index[] = { 0, 1, 2 };
 521    memcpy(lima_bo_map(screen->pp_buffer) + pp_shared_index_offset,
 522           pp_shared_index, sizeof(pp_shared_index));
 523
 524    /* 4096x4096 gl pos used for partial clear */
 525    static const float pp_clear_gl_pos[] = {
 526       4096, 0,    1, 1,
 527       0,    0,    1, 1,
 528       0,    4096, 1, 1,
 529    };
 530    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_gl_pos_offset,
 531           pp_clear_gl_pos, sizeof(pp_clear_gl_pos));
 532
 533    /* is pp frame render state static? */
 534    uint32_t *pp_frame_rsw = lima_bo_map(screen->pp_buffer) + pp_frame_rsw_offset;
 535    memset(pp_frame_rsw, 0, 0x40);
 536    pp_frame_rsw[8] = 0x0000f008;
 537    pp_frame_rsw[9] = screen->pp_buffer->va + pp_clear_program_offset;
 538    pp_frame_rsw[13] = 0x00000100;
 539
 540    if (ro) {
 541       screen->ro = renderonly_dup(ro);
 542       if (!screen->ro) {
 543          fprintf(stderr, "Failed to dup renderonly object\n");
 544          goto err_out3;
 545       }
 546    }
 547
 548    screen->base.destroy = lima_screen_destroy;
 549    screen->base.get_name = lima_screen_get_name;
 550    screen->base.get_vendor = lima_screen_get_vendor;
 551    screen->base.get_device_vendor = lima_screen_get_device_vendor;
 552    screen->base.get_param = lima_screen_get_param;
 553    screen->base.get_paramf = lima_screen_get_paramf;
 554    screen->base.get_shader_param = lima_screen_get_shader_param;
 555    screen->base.context_create = lima_context_create;
 556    screen->base.is_format_supported = lima_screen_is_format_supported;
 557    screen->base.get_compiler_options = lima_screen_get_compiler_options;
 558    screen->base.query_dmabuf_modifiers = lima_screen_query_dmabuf_modifiers;
 559
 560    lima_resource_screen_init(screen);
 561    lima_fence_screen_init(screen);
 562
 563    slab_create_parent(&screen->transfer_pool, sizeof(struct lima_transfer), 16);
 564
 565    screen->refcnt = 1;
 566
 567    return &screen->base;
 568
 569 err_out3:
 570    lima_bo_unreference(screen->pp_buffer);
 571 err_out2:
 572    lima_bo_table_fini(screen);
 573 err_out1:
 574    lima_bo_cache_fini(screen);
 575 err_out0:
 576    ralloc_free(screen);
 577    return NULL;
 578 }