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 static void
  46 lima_screen_destroy(struct pipe_screen *pscreen)
  47 {
  48    struct lima_screen *screen = lima_screen(pscreen);
  49
  50    if (lima_dump_command_stream) {
  51       fclose(lima_dump_command_stream);
  52       lima_dump_command_stream = NULL;
  53    }
  54
  55    slab_destroy_parent(&screen->transfer_pool);
  56
  57    if (screen->ro)
  58       free(screen->ro);
  59
  60    if (screen->pp_buffer)
  61       lima_bo_free(screen->pp_buffer);
  62
  63    lima_bo_table_fini(screen);
  64    ralloc_free(screen);
  65 }
  66
  67 static const char *
  68 lima_screen_get_name(struct pipe_screen *pscreen)
  69 {
  70    struct lima_screen *screen = lima_screen(pscreen);
  71
  72    switch (screen->gpu_type) {
  73    case DRM_LIMA_PARAM_GPU_ID_MALI400:
  74      return "Mali400";
  75    case DRM_LIMA_PARAM_GPU_ID_MALI450:
  76      return "Mali450";
  77    }
  78
  79    return NULL;
  80 }
  81
  82 static const char *
  83 lima_screen_get_vendor(struct pipe_screen *pscreen)
  84 {
  85    return "lima";
  86 }
  87
  88 static const char *
  89 lima_screen_get_device_vendor(struct pipe_screen *pscreen)
  90 {
  91    return "ARM";
  92 }
  93
  94 static int
  95 lima_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
  96 {
  97    switch (param) {
  98    case PIPE_CAP_NPOT_TEXTURES:
  99    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 100    case PIPE_CAP_ACCELERATED:
 101    case PIPE_CAP_UMA:
 102    case PIPE_CAP_NATIVE_FENCE_FD:
 103       return 1;
 104
 105    /* Unimplemented, but for exporting OpenGL 2.0 */
 106    case PIPE_CAP_OCCLUSION_QUERY:
 107    case PIPE_CAP_POINT_SPRITE:
 108       return 1;
 109
 110    /* not clear supported */
 111    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 112    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 113    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 114    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 115       return 1;
 116
 117    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 118       return 1;
 119
 120    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 121    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 122    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 123       return LIMA_MAX_MIP_LEVELS;
 124
 125    case PIPE_CAP_VENDOR_ID:
 126       return 0x13B5;
 127
 128    case PIPE_CAP_VIDEO_MEMORY:
 129       return 0;
 130
 131    case PIPE_CAP_PCI_GROUP:
 132    case PIPE_CAP_PCI_BUS:
 133    case PIPE_CAP_PCI_DEVICE:
 134    case PIPE_CAP_PCI_FUNCTION:
 135       return 0;
 136
 137    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 138       return 0;
 139
 140    default:
 141       return u_pipe_screen_get_param_defaults(pscreen, param);
 142    }
 143 }
 144
 145 static float
 146 lima_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 147 {
 148    switch (param) {
 149    case PIPE_CAPF_MAX_LINE_WIDTH:
 150    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 151    case PIPE_CAPF_MAX_POINT_WIDTH:
 152    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 153       return 255.0f;
 154    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 155       return 16.0f;
 156    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 157       return 16.0f;
 158
 159    default:
 160       return 0.0f;
 161    }
 162 }
 163
 164 static int
 165 get_vertex_shader_param(struct lima_screen *screen,
 166                         enum pipe_shader_cap param)
 167 {
 168    switch (param) {
 169    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 170    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 171    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 172    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 173       return 16384; /* need investigate */
 174
 175    case PIPE_SHADER_CAP_MAX_INPUTS:
 176       return 16; /* attributes */
 177
 178    case PIPE_SHADER_CAP_MAX_OUTPUTS:
 179       return LIMA_MAX_VARYING_NUM; /* varying */
 180
 181    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 182       return 4096; /* need investigate */
 183    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 184       return 1;
 185
 186    case PIPE_SHADER_CAP_PREFERRED_IR:
 187       return PIPE_SHADER_IR_NIR;
 188
 189    case PIPE_SHADER_CAP_MAX_TEMPS:
 190       return 256; /* need investigate */
 191
 192    default:
 193       return 0;
 194    }
 195 }
 196
 197 static int
 198 get_fragment_shader_param(struct lima_screen *screen,
 199                           enum pipe_shader_cap param)
 200 {
 201    switch (param) {
 202    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 203    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 204    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 205    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 206       return 16384; /* need investigate */
 207
 208    case PIPE_SHADER_CAP_MAX_INPUTS:
 209       return LIMA_MAX_VARYING_NUM - 1; /* varying, minus gl_Position */
 210
 211    case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 212       return 4096; /* need investigate */
 213    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 214       return 1;
 215
 216    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 217       return 16; /* need investigate */
 218
 219    case PIPE_SHADER_CAP_PREFERRED_IR:
 220       return PIPE_SHADER_IR_NIR;
 221
 222    case PIPE_SHADER_CAP_MAX_TEMPS:
 223       return 256; /* need investigate */
 224
 225    default:
 226       return 0;
 227    }
 228 }
 229
 230 static int
 231 lima_screen_get_shader_param(struct pipe_screen *pscreen,
 232                              enum pipe_shader_type shader,
 233                              enum pipe_shader_cap param)
 234 {
 235    struct lima_screen *screen = lima_screen(pscreen);
 236
 237    switch (shader) {
 238    case PIPE_SHADER_FRAGMENT:
 239       return get_fragment_shader_param(screen, param);
 240    case PIPE_SHADER_VERTEX:
 241       return get_vertex_shader_param(screen, param);
 242
 243    default:
 244       return 0;
 245    }
 246 }
 247
 248 static boolean
 249 lima_screen_is_format_supported(struct pipe_screen *pscreen,
 250                                 enum pipe_format format,
 251                                 enum pipe_texture_target target,
 252                                 unsigned sample_count,
 253                                 unsigned storage_sample_count,
 254                                 unsigned usage)
 255 {
 256    switch (target) {
 257    case PIPE_BUFFER:
 258    case PIPE_TEXTURE_1D:
 259    case PIPE_TEXTURE_2D:
 260       break;
 261    default:
 262       return FALSE;
 263    }
 264
 265    if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
 266       return false;
 267
 268    /* be able to support 16, now limit to 4 */
 269    if (sample_count > 1 && sample_count != 4)
 270       return FALSE;
 271
 272    if (usage & PIPE_BIND_RENDER_TARGET) {
 273       switch (format) {
 274       case PIPE_FORMAT_B8G8R8A8_UNORM:
 275       case PIPE_FORMAT_B8G8R8X8_UNORM:
 276       case PIPE_FORMAT_R8G8B8A8_UNORM:
 277       case PIPE_FORMAT_R8G8B8X8_UNORM:
 278       case PIPE_FORMAT_Z16_UNORM:
 279       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 280       case PIPE_FORMAT_Z24X8_UNORM:
 281          break;
 282       default:
 283          return FALSE;
 284       }
 285    }
 286
 287    if (usage & PIPE_BIND_DEPTH_STENCIL) {
 288       switch (format) {
 289       case PIPE_FORMAT_Z16_UNORM:
 290       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 291       case PIPE_FORMAT_Z24X8_UNORM:
 292          break;
 293       default:
 294          return FALSE;
 295       }
 296    }
 297
 298    if (usage & PIPE_BIND_VERTEX_BUFFER) {
 299       switch (format) {
 300       case PIPE_FORMAT_R32G32B32_FLOAT:
 301          break;
 302       default:
 303          return FALSE;
 304       }
 305    }
 306
 307    if (usage & PIPE_BIND_INDEX_BUFFER) {
 308       switch (format) {
 309       case PIPE_FORMAT_I8_UINT:
 310       case PIPE_FORMAT_I16_UINT:
 311       case PIPE_FORMAT_I32_UINT:
 312          break;
 313       default:
 314          return FALSE;
 315       }
 316    }
 317
 318    if (usage & PIPE_BIND_SAMPLER_VIEW) {
 319       switch (format) {
 320       case PIPE_FORMAT_R8G8B8X8_UNORM:
 321       case PIPE_FORMAT_R8G8B8A8_UNORM:
 322       case PIPE_FORMAT_B8G8R8X8_UNORM:
 323       case PIPE_FORMAT_B8G8R8A8_UNORM:
 324       case PIPE_FORMAT_A8B8G8R8_SRGB:
 325       case PIPE_FORMAT_B8G8R8A8_SRGB:
 326       case PIPE_FORMAT_Z16_UNORM:
 327       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 328       case PIPE_FORMAT_Z24X8_UNORM:
 329          break;
 330       default:
 331          return FALSE;
 332       }
 333    }
 334
 335    return TRUE;
 336 }
 337
 338 static const void *
 339 lima_screen_get_compiler_options(struct pipe_screen *pscreen,
 340                                  enum pipe_shader_ir ir,
 341                                  enum pipe_shader_type shader)
 342 {
 343    return lima_program_get_compiler_options(shader);
 344 }
 345
 346 static bool
 347 lima_screen_query_info(struct lima_screen *screen)
 348 {
 349    struct drm_lima_get_param param;
 350
 351    memset(&param, 0, sizeof(param));
 352    param.param = DRM_LIMA_PARAM_GPU_ID;
 353    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 354       return false;
 355
 356    switch (param.value) {
 357    case DRM_LIMA_PARAM_GPU_ID_MALI400:
 358    case DRM_LIMA_PARAM_GPU_ID_MALI450:
 359       screen->gpu_type = param.value;
 360       break;
 361    default:
 362       return false;
 363    }
 364
 365    memset(&param, 0, sizeof(param));
 366    param.param = DRM_LIMA_PARAM_NUM_PP;
 367    if (drmIoctl(screen->fd, DRM_IOCTL_LIMA_GET_PARAM, &param))
 368       return false;
 369
 370    screen->num_pp = param.value;
 371
 372    return true;
 373 }
 374
 375 static void
 376 lima_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
 377                                    enum pipe_format format, int max,
 378                                    uint64_t *modifiers,
 379                                    unsigned int *external_only,
 380                                    int *count)
 381 {
 382    uint64_t available_modifiers[] = {
 383       DRM_FORMAT_MOD_LINEAR,
 384    };
 385
 386    if (!modifiers) {
 387       *count = ARRAY_SIZE(available_modifiers);
 388       return;
 389    }
 390
 391    for (int i = 0; i < *count; i++) {
 392       modifiers[i] = available_modifiers[i];
 393       if (external_only)
 394          external_only = false;
 395    }
 396 }
 397
 398 static const struct debug_named_value debug_options[] = {
 399         { "gp",       LIMA_DEBUG_GP,
 400           "print GP shader compiler result of each stage" },
 401         { "pp",       LIMA_DEBUG_PP,
 402           "print PP shader compiler result of each stage" },
 403         { "dump",     LIMA_DEBUG_DUMP,
 404           "dump GPU command stream to $PWD/lima.dump" },
 405         { NULL }
 406 };
 407
 408 DEBUG_GET_ONCE_FLAGS_OPTION(lima_debug, "LIMA_DEBUG", debug_options, 0)
 409 uint32_t lima_debug;
 410
 411 static void
 412 lima_screen_parse_env(void)
 413 {
 414    lima_debug = debug_get_option_lima_debug();
 415
 416    if (lima_debug & LIMA_DEBUG_DUMP) {
 417       const char *dump_command = "lima.dump";
 418       printf("lima: dump command stream to file %s\n", dump_command);
 419       lima_dump_command_stream = fopen(dump_command, "w");
 420       if (!lima_dump_command_stream)
 421          fprintf(stderr, "lima: fail to open command stream log file %s\n",
 422                  dump_command);
 423    }
 424
 425    lima_ctx_num_plb = debug_get_num_option("LIMA_CTX_NUM_PLB", LIMA_CTX_PLB_DEF_NUM);
 426    if (lima_ctx_num_plb > LIMA_CTX_PLB_MAX_NUM ||
 427        lima_ctx_num_plb < LIMA_CTX_PLB_MIN_NUM) {
 428       fprintf(stderr, "lima: LIMA_CTX_NUM_PLB %d out of range [%d %d], "
 429               "reset to default %d\n", lima_ctx_num_plb, LIMA_CTX_PLB_MIN_NUM,
 430               LIMA_CTX_PLB_MAX_NUM, LIMA_CTX_PLB_DEF_NUM);
 431       lima_ctx_num_plb = LIMA_CTX_PLB_DEF_NUM;
 432    }
 433
 434    lima_ppir_force_spilling = debug_get_num_option("LIMA_PPIR_FORCE_SPILLING", 0);
 435    if (lima_ppir_force_spilling < 0) {
 436       fprintf(stderr, "lima: LIMA_PPIR_FORCE_SPILLING %d less than 0, "
 437               "reset to default 0\n", lima_ppir_force_spilling);
 438       lima_ppir_force_spilling = 0;
 439    }
 440 }
 441
 442 struct pipe_screen *
 443 lima_screen_create(int fd, struct renderonly *ro)
 444 {
 445    struct lima_screen *screen;
 446
 447    screen = rzalloc(NULL, struct lima_screen);
 448    if (!screen)
 449       return NULL;
 450
 451    screen->fd = fd;
 452
 453    if (!lima_screen_query_info(screen))
 454       goto err_out0;
 455
 456    if (!lima_bo_table_init(screen))
 457       goto err_out0;
 458
 459    screen->pp_ra = ppir_regalloc_init(screen);
 460    if (!screen->pp_ra)
 461       goto err_out1;
 462
 463    screen->pp_buffer = lima_bo_create(screen, pp_buffer_size, 0);
 464    if (!screen->pp_buffer)
 465       goto err_out1;
 466
 467    /* fs program for clear buffer?
 468     * const0 1 0 0 -1.67773, mov.v0 $0 ^const0.xxxx, stop
 469     */
 470    static const uint32_t pp_clear_program[] = {
 471       0x00020425, 0x0000000c, 0x01e007cf, 0xb0000000,
 472       0x000005f5, 0x00000000, 0x00000000, 0x00000000,
 473    };
 474    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_program_offset,
 475           pp_clear_program, sizeof(pp_clear_program));
 476
 477    /* copy texture to framebuffer, used to reload gpu tile buffer
 478     * load.v $1 0.xy, texld_2d 0, mov.v0 $0 ^tex_sampler, sync, stop
 479     */
 480    static const uint32_t pp_reload_program[] = {
 481       0x000005e6, 0xf1003c20, 0x00000000, 0x39001000,
 482       0x00000e4e, 0x000007cf, 0x00000000, 0x00000000,
 483    };
 484    memcpy(lima_bo_map(screen->pp_buffer) + pp_reload_program_offset,
 485           pp_reload_program, sizeof(pp_reload_program));
 486
 487    /* 0/1/2 vertex index for reload/clear draw */
 488    static const uint8_t pp_shared_index[] = { 0, 1, 2 };
 489    memcpy(lima_bo_map(screen->pp_buffer) + pp_shared_index_offset,
 490           pp_shared_index, sizeof(pp_shared_index));
 491
 492    /* 4096x4096 gl pos used for partial clear */
 493    static const float pp_clear_gl_pos[] = {
 494       4096, 0,    1, 1,
 495       0,    0,    1, 1,
 496       0,    4096, 1, 1,
 497    };
 498    memcpy(lima_bo_map(screen->pp_buffer) + pp_clear_gl_pos_offset,
 499           pp_clear_gl_pos, sizeof(pp_clear_gl_pos));
 500
 501    /* is pp frame render state static? */
 502    uint32_t *pp_frame_rsw = lima_bo_map(screen->pp_buffer) + pp_frame_rsw_offset;
 503    memset(pp_frame_rsw, 0, 0x40);
 504    pp_frame_rsw[8] = 0x0000f008;
 505    pp_frame_rsw[9] = screen->pp_buffer->va + pp_clear_program_offset;
 506    pp_frame_rsw[13] = 0x00000100;
 507
 508    if (ro) {
 509       screen->ro = renderonly_dup(ro);
 510       if (!screen->ro) {
 511          fprintf(stderr, "Failed to dup renderonly object\n");
 512          goto err_out2;
 513       }
 514    }
 515
 516    screen->base.destroy = lima_screen_destroy;
 517    screen->base.get_name = lima_screen_get_name;
 518    screen->base.get_vendor = lima_screen_get_vendor;
 519    screen->base.get_device_vendor = lima_screen_get_device_vendor;
 520    screen->base.get_param = lima_screen_get_param;
 521    screen->base.get_paramf = lima_screen_get_paramf;
 522    screen->base.get_shader_param = lima_screen_get_shader_param;
 523    screen->base.context_create = lima_context_create;
 524    screen->base.is_format_supported = lima_screen_is_format_supported;
 525    screen->base.get_compiler_options = lima_screen_get_compiler_options;
 526    screen->base.query_dmabuf_modifiers = lima_screen_query_dmabuf_modifiers;
 527
 528    lima_resource_screen_init(screen);
 529    lima_fence_screen_init(screen);
 530
 531    slab_create_parent(&screen->transfer_pool, sizeof(struct lima_transfer), 16);
 532
 533    screen->refcnt = 1;
 534
 535    lima_screen_parse_env();
 536
 537    return &screen->base;
 538
 539 err_out2:
 540    lima_bo_free(screen->pp_buffer);
 541 err_out1:
 542    lima_bo_table_fini(screen);
 543 err_out0:
 544    ralloc_free(screen);
 545    return NULL;
 546 }