src/gallium/drivers/panfrost/pan_screen.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 VMware, Inc.
   4  * Copyright 2014 Broadcom
   5  * Copyright 2018 Alyssa Rosenzweig
   6  * Copyright 2019 Collabora, Ltd.
   7  * All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the
  11  * "Software"), to deal in the Software without restriction, including
  12  * without limitation the rights to use, copy, modify, merge, publish,
  13  * distribute, sub license, and/or sell copies of the Software, and to
  14  * permit persons to whom the Software is furnished to do so, subject to
  15  * the following conditions:
  16  *
  17  * The above copyright notice and this permission notice (including the
  18  * next paragraph) shall be included in all copies or substantial portions
  19  * of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  24  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  25  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  26  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  27  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28  *
  29  **************************************************************************/
  30
  31
  32 #include "util/u_debug.h"
  33 #include "util/u_memory.h"
  34 #include "util/u_format.h"
  35 #include "util/u_format_s3tc.h"
  36 #include "util/u_video.h"
  37 #include "util/u_screen.h"
  38 #include "util/os_time.h"
  39 #include "pipe/p_defines.h"
  40 #include "pipe/p_screen.h"
  41 #include "draw/draw_context.h"
  42 #include <xf86drm.h>
  43
  44 #include <fcntl.h>
  45
  46 #include "drm-uapi/drm_fourcc.h"
  47
  48 #include "pan_screen.h"
  49 #include "pan_resource.h"
  50 #include "pan_public.h"
  51 #include "pan_util.h"
  52 #include "pandecode/decode.h"
  53
  54 #include "pan_context.h"
  55 #include "midgard/midgard_compile.h"
  56
  57 static const struct debug_named_value debug_options[] = {
  58         {"msgs",      PAN_DBG_MSGS,     "Print debug messages"},
  59         {"trace",     PAN_DBG_TRACE,    "Trace the command stream"},
  60         DEBUG_NAMED_VALUE_END
  61 };
  62
  63 DEBUG_GET_ONCE_FLAGS_OPTION(pan_debug, "PAN_MESA_DEBUG", debug_options, 0)
  64
  65 int pan_debug = 0;
  66
  67 static const char *
  68 panfrost_get_name(struct pipe_screen *screen)
  69 {
  70         return "panfrost";
  71 }
  72
  73 static const char *
  74 panfrost_get_vendor(struct pipe_screen *screen)
  75 {
  76         return "panfrost";
  77 }
  78
  79 static const char *
  80 panfrost_get_device_vendor(struct pipe_screen *screen)
  81 {
  82         return "Arm";
  83 }
  84
  85 static int
  86 panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
  87 {
  88         switch (param) {
  89         case PIPE_CAP_NPOT_TEXTURES:
  90         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
  91         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
  92                 return 1;
  93
  94         case PIPE_CAP_SM3:
  95         case PIPE_CAP_POINT_SPRITE:
  96                 return 1;
  97
  98         case PIPE_CAP_MAX_RENDER_TARGETS:
  99         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 100                 return 1;
 101
 102         case PIPE_CAP_OCCLUSION_QUERY:
 103         case PIPE_CAP_QUERY_TIME_ELAPSED:
 104         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 105                 return 1; /* TODO: Queries */
 106
 107         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 108         case PIPE_CAP_TEXTURE_SWIZZLE:
 109                 return 1;
 110
 111         /* TODO: ES3. We expose these caps so we can access higher dEQP
 112          * tests; in actuality they are nonfunctional */
 113         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 114                 return 4;
 115         case PIPE_CAP_TGSI_INSTANCEID:
 116         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 117                 return 1;
 118
 119         /* TODO: Where does this req come from in practice? */
 120         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 121                 return 1;
 122
 123         case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 124                 return 4096;
 125         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 126         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 127                 return 13;
 128
 129         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 130                 return 1;
 131
 132         case PIPE_CAP_INDEP_BLEND_ENABLE:
 133                 return 1;
 134
 135         case PIPE_CAP_INDEP_BLEND_FUNC:
 136                 return 1;
 137
 138         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 139                 /* Hardware is natively upper left */
 140                 return 0;
 141
 142         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 143                 return 1;
 144         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 145         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 146                 return 1;
 147
 148         case PIPE_CAP_GENERATE_MIPMAP:
 149                 return 1;
 150
 151         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 152                 return 1;
 153
 154         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 155         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 156                 return 16 * 4;
 157
 158         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 159         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 160                 return 1024;
 161
 162         case PIPE_CAP_MAX_VERTEX_STREAMS:
 163                 return 1;
 164
 165         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 166                 return 1;
 167
 168         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 169         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 170                 return 1;
 171
 172         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 173                 return 256; /* for GL3 */
 174
 175         case PIPE_CAP_CONDITIONAL_RENDER:
 176                 return 1;
 177
 178         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 179         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 180         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 181                 return 1;
 182
 183         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 184                 return 330;
 185
 186         case PIPE_CAP_USER_VERTEX_BUFFERS: /* TODO */
 187         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 188                 return 0;
 189
 190         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 191         case PIPE_CAP_DOUBLES:
 192         case PIPE_CAP_INT64:
 193         case PIPE_CAP_INT64_DIVMOD:
 194                 return 1;
 195
 196         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 197                 return 16;
 198
 199         case PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET:
 200                 return 0xffff;
 201
 202         case PIPE_CAP_QUERY_TIMESTAMP:
 203         case PIPE_CAP_CUBE_MAP_ARRAY:
 204                 return 1;
 205
 206         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 207                 return 1;
 208
 209         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 210                 return 65536;
 211
 212         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 213                 return 0;
 214
 215         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 216                 return 0;
 217
 218         case PIPE_CAP_MAX_VIEWPORTS:
 219                 return PIPE_MAX_VIEWPORTS;
 220
 221         case PIPE_CAP_ENDIANNESS:
 222                 return PIPE_ENDIAN_NATIVE;
 223
 224         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 225                 return 4;
 226
 227         case PIPE_CAP_TEXTURE_GATHER_SM5:
 228         case PIPE_CAP_TEXTURE_QUERY_LOD:
 229         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 230         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 231         case PIPE_CAP_FAKE_SW_MSAA:
 232                 return 1;
 233
 234         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 235                 return -32;
 236
 237         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 238                 return 31;
 239
 240         case PIPE_CAP_DRAW_INDIRECT:
 241                 return 1;
 242
 243         case PIPE_CAP_QUERY_SO_OVERFLOW:
 244                 return 1;
 245
 246         case PIPE_CAP_VENDOR_ID:
 247                 return 0xFFFFFFFF;
 248
 249         case PIPE_CAP_DEVICE_ID:
 250                 return 0xFFFFFFFF;
 251
 252         case PIPE_CAP_ACCELERATED:
 253                 return 1;
 254
 255         case PIPE_CAP_VIDEO_MEMORY: {
 256                 uint64_t system_memory;
 257
 258                 if (!os_get_total_physical_memory(&system_memory))
 259                         return 0;
 260
 261                 return (int)(system_memory >> 20);
 262         }
 263
 264         case PIPE_CAP_UMA:
 265                 return 1;
 266
 267         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 268         case PIPE_CAP_CLIP_HALFZ:
 269         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 270         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 271         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 272         case PIPE_CAP_CULL_DISTANCE:
 273         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 274         case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 275         case PIPE_CAP_CLEAR_TEXTURE:
 276                 return 1;
 277
 278         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 279                 return 4;
 280
 281         case PIPE_CAP_MAX_VARYINGS:
 282                 return 16;
 283
 284         default:
 285                 return u_pipe_screen_get_param_defaults(screen, param);
 286         }
 287 }
 288
 289 static int
 290 panfrost_get_shader_param(struct pipe_screen *screen,
 291                           enum pipe_shader_type shader,
 292                           enum pipe_shader_cap param)
 293 {
 294         if (shader != PIPE_SHADER_VERTEX &&
 295                         shader != PIPE_SHADER_FRAGMENT) {
 296                 return 0;
 297         }
 298
 299         /* this is probably not totally correct.. but it's a start: */
 300         switch (param) {
 301         case PIPE_SHADER_CAP_SCALAR_ISA:
 302                 return 0;
 303
 304         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 305                 return 0;
 306         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 307         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 308         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 309                 return 16384;
 310
 311         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 312                 return 1024;
 313
 314         case PIPE_SHADER_CAP_MAX_INPUTS:
 315                 return 16;
 316
 317         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 318                 return shader == PIPE_SHADER_FRAGMENT ? 1 : 8;
 319
 320         case PIPE_SHADER_CAP_MAX_TEMPS:
 321                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 322
 323         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 324                 return 16 * 1024 * sizeof(float);
 325
 326         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 327                 return 16;
 328
 329         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 330                 return 0;
 331
 332         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 333                 return 1;
 334         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 335                 return 0;
 336
 337         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 338                 return 0;
 339
 340         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 341                 return 1;
 342
 343         case PIPE_SHADER_CAP_SUBROUTINES:
 344                 return 0;
 345
 346         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 347                 return 0;
 348
 349         case PIPE_SHADER_CAP_INTEGERS:
 350                 return 1;
 351
 352         case PIPE_SHADER_CAP_INT64_ATOMICS:
 353         case PIPE_SHADER_CAP_FP16:
 354         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 355         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 356         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 357         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 358         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 359                 return 0;
 360
 361         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 362         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 363                 return 16; /* XXX: How many? */
 364
 365         case PIPE_SHADER_CAP_PREFERRED_IR:
 366                 return PIPE_SHADER_IR_NIR;
 367
 368         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 369                 return 0;
 370
 371         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 372                 return 32;
 373
 374         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 375         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 376         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 377         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 378         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 379         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 380                 return 0;
 381
 382         default:
 383                 fprintf(stderr, "unknown shader param %d\n", param);
 384                 return 0;
 385         }
 386
 387         return 0;
 388 }
 389
 390 static float
 391 panfrost_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
 392 {
 393         switch (param) {
 394         case PIPE_CAPF_MAX_LINE_WIDTH:
 395
 396         /* fall-through */
 397         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 398                 return 255.0; /* arbitrary */
 399
 400         case PIPE_CAPF_MAX_POINT_WIDTH:
 401
 402         /* fall-through */
 403         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 404                 return 255.0; /* arbitrary */
 405
 406         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 407                 return 16.0;
 408
 409         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 410                 return 16.0; /* arbitrary */
 411
 412         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 413         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 414         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 415                 return 0.0f;
 416
 417         default:
 418                 debug_printf("Unexpected PIPE_CAPF %d query\n", param);
 419                 return 0.0;
 420         }
 421 }
 422
 423 /**
 424  * Query format support for creating a texture, drawing surface, etc.
 425  * \param format  the format to test
 426  * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 427  */
 428 static boolean
 429 panfrost_is_format_supported( struct pipe_screen *screen,
 430                               enum pipe_format format,
 431                               enum pipe_texture_target target,
 432                               unsigned sample_count,
 433                               unsigned storage_sample_count,
 434                               unsigned bind)
 435 {
 436         const struct util_format_description *format_desc;
 437
 438         assert(target == PIPE_BUFFER ||
 439                target == PIPE_TEXTURE_1D ||
 440                target == PIPE_TEXTURE_1D_ARRAY ||
 441                target == PIPE_TEXTURE_2D ||
 442                target == PIPE_TEXTURE_2D_ARRAY ||
 443                target == PIPE_TEXTURE_RECT ||
 444                target == PIPE_TEXTURE_3D ||
 445                target == PIPE_TEXTURE_CUBE ||
 446                target == PIPE_TEXTURE_CUBE_ARRAY);
 447
 448         format_desc = util_format_description(format);
 449
 450         if (!format_desc)
 451                 return FALSE;
 452
 453         if (sample_count > 1)
 454                 return FALSE;
 455
 456         /* Format wishlist */
 457         if (format == PIPE_FORMAT_Z24X8_UNORM || format == PIPE_FORMAT_X8Z24_UNORM)
 458                 return FALSE;
 459
 460         if (format == PIPE_FORMAT_A1B5G5R5_UNORM || format == PIPE_FORMAT_X1B5G5R5_UNORM)
 461                 return FALSE;
 462
 463         /* TODO */
 464         if (format == PIPE_FORMAT_B5G5R5A1_UNORM)
 465                 return FALSE;
 466
 467         /* Don't confuse poorly written apps (workaround dEQP bug) that expect
 468          * more alpha than they ask for */
 469         bool scanout = bind & (PIPE_BIND_SCANOUT | PIPE_BIND_SHARED | PIPE_BIND_DISPLAY_TARGET);
 470         if (scanout && !util_format_is_rgba8_variant(format_desc))
 471                 return FALSE;
 472
 473         if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN &&
 474                         format_desc->layout != UTIL_FORMAT_LAYOUT_OTHER) {
 475                 /* Compressed formats not yet hooked up. */
 476                 return FALSE;
 477         }
 478
 479         return TRUE;
 480 }
 481
 482
 483 static void
 484 panfrost_destroy_screen(struct pipe_screen *pscreen)
 485 {
 486         struct panfrost_screen *screen = pan_screen(pscreen);
 487         panfrost_resource_screen_deinit(screen);
 488         ralloc_free(screen);
 489 }
 490
 491 static void
 492 panfrost_flush_frontbuffer(struct pipe_screen *_screen,
 493                            struct pipe_resource *resource,
 494                            unsigned level, unsigned layer,
 495                            void *context_private,
 496                            struct pipe_box *sub_box)
 497 {
 498         /* TODO: Display target integration */
 499 }
 500
 501 static uint64_t
 502 panfrost_get_timestamp(struct pipe_screen *_screen)
 503 {
 504         return os_time_get_nano();
 505 }
 506
 507 static void
 508 panfrost_fence_reference(struct pipe_screen *pscreen,
 509                          struct pipe_fence_handle **ptr,
 510                          struct pipe_fence_handle *fence)
 511 {
 512         panfrost_drm_fence_reference(pscreen, ptr, fence);
 513 }
 514
 515 static boolean
 516 panfrost_fence_finish(struct pipe_screen *pscreen,
 517                       struct pipe_context *ctx,
 518                       struct pipe_fence_handle *fence,
 519                       uint64_t timeout)
 520 {
 521         return panfrost_drm_fence_finish(pscreen, ctx, fence, timeout);
 522 }
 523
 524 static const void *
 525 panfrost_screen_get_compiler_options(struct pipe_screen *pscreen,
 526                                      enum pipe_shader_ir ir,
 527                                      enum pipe_shader_type shader)
 528 {
 529         return &midgard_nir_options;
 530 }
 531
 532 struct pipe_screen *
 533 panfrost_create_screen(int fd, struct renderonly *ro)
 534 {
 535         struct panfrost_screen *screen = rzalloc(NULL, struct panfrost_screen);
 536
 537         pan_debug = debug_get_option_pan_debug();
 538
 539         if (!screen)
 540                 return NULL;
 541
 542         if (ro) {
 543                 screen->ro = renderonly_dup(ro);
 544                 if (!screen->ro) {
 545                         fprintf(stderr, "Failed to dup renderonly object\n");
 546                         free(screen);
 547                         return NULL;
 548                 }
 549         }
 550
 551         screen->fd = fd;
 552
 553         if (pan_debug & PAN_DBG_TRACE)
 554                 pandecode_initialize();
 555
 556         screen->base.destroy = panfrost_destroy_screen;
 557
 558         screen->base.get_name = panfrost_get_name;
 559         screen->base.get_vendor = panfrost_get_vendor;
 560         screen->base.get_device_vendor = panfrost_get_device_vendor;
 561         screen->base.get_param = panfrost_get_param;
 562         screen->base.get_shader_param = panfrost_get_shader_param;
 563         screen->base.get_paramf = panfrost_get_paramf;
 564         screen->base.get_timestamp = panfrost_get_timestamp;
 565         screen->base.is_format_supported = panfrost_is_format_supported;
 566         screen->base.context_create = panfrost_create_context;
 567         screen->base.flush_frontbuffer = panfrost_flush_frontbuffer;
 568         screen->base.get_compiler_options = panfrost_screen_get_compiler_options;
 569         screen->base.fence_reference = panfrost_fence_reference;
 570         screen->base.fence_finish = panfrost_fence_finish;
 571
 572         screen->last_fragment_flushed = true;
 573         screen->last_job = NULL;
 574
 575         panfrost_resource_screen_init(screen);
 576
 577         return &screen->base;
 578 }