src/gallium/drivers/panfrost/pan_screen.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 VMware, Inc.
   4  * Copyright 2014 Broadcom
   5  * Copyright 2018 Alyssa Rosenzweig
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the
  10  * "Software"), to deal in the Software without restriction, including
  11  * without limitation the rights to use, copy, modify, merge, publish,
  12  * distribute, sub license, and/or sell copies of the Software, and to
  13  * permit persons to whom the Software is furnished to do so, subject to
  14  * the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the
  17  * next paragraph) shall be included in all copies or substantial portions
  18  * of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  23  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  24  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  *
  28  **************************************************************************/
  29
  30
  31 #include "util/u_memory.h"
  32 #include "util/u_format.h"
  33 #include "util/u_format_s3tc.h"
  34 #include "util/u_video.h"
  35 #include "util/u_screen.h"
  36 #include "util/os_time.h"
  37 #include "pipe/p_defines.h"
  38 #include "pipe/p_screen.h"
  39 #include "draw/draw_context.h"
  40 #include <xf86drm.h>
  41
  42 #include <fcntl.h>
  43
  44 #include "drm_fourcc.h"
  45
  46 #include "pan_screen.h"
  47 #include "pan_resource.h"
  48 #include "pan_public.h"
  49
  50 #include "pan_context.h"
  51 #include "midgard/midgard_compile.h"
  52
  53 struct panfrost_driver *panfrost_create_drm_driver(int fd);
  54 struct panfrost_driver *panfrost_create_nondrm_driver(int fd);
  55
  56 static const char *
  57 panfrost_get_name(struct pipe_screen *screen)
  58 {
  59         return "panfrost";
  60 }
  61
  62 static const char *
  63 panfrost_get_vendor(struct pipe_screen *screen)
  64 {
  65         return "panfrost";
  66 }
  67
  68 static const char *
  69 panfrost_get_device_vendor(struct pipe_screen *screen)
  70 {
  71         return "Arm";
  72 }
  73
  74 static int
  75 panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
  76 {
  77         switch (param) {
  78         case PIPE_CAP_NPOT_TEXTURES:
  79         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
  80         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
  81                 return 1;
  82
  83         case PIPE_CAP_SM3:
  84         case PIPE_CAP_POINT_SPRITE:
  85                 return 1;
  86
  87         case PIPE_CAP_MAX_RENDER_TARGETS:
  88         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
  89                 return 1;
  90
  91         case PIPE_CAP_OCCLUSION_QUERY:
  92         case PIPE_CAP_QUERY_TIME_ELAPSED:
  93         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
  94                 return 1; /* TODO: Queries */
  95
  96         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
  97         case PIPE_CAP_TEXTURE_SWIZZLE:
  98                 return 1;
  99
 100         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 101         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 102         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 103                 return 13;
 104
 105         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 106                 return 1;
 107
 108         case PIPE_CAP_INDEP_BLEND_ENABLE:
 109                 return 1;
 110
 111         case PIPE_CAP_INDEP_BLEND_FUNC:
 112                 return 1;
 113
 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_HALF_INTEGER:
 117         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 118                 return 1;
 119
 120         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 121                 return 1;
 122
 123         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 124         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 125                 return 16 * 4;
 126
 127         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 128         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 129                 return 1024;
 130
 131         case PIPE_CAP_MAX_VERTEX_STREAMS:
 132                 return 1;
 133
 134         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 135                 return 1;
 136
 137         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 138         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 139                 return 1;
 140
 141         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 142                 return 256; /* for GL3 */
 143
 144         case PIPE_CAP_CONDITIONAL_RENDER:
 145                 return 1;
 146
 147         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 148         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 149         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 150                 return 1;
 151
 152         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 153                 return 330;
 154
 155         case PIPE_CAP_USER_VERTEX_BUFFERS: /* TODO */
 156         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 157                 return 0;
 158
 159         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 160         case PIPE_CAP_DOUBLES:
 161         case PIPE_CAP_INT64:
 162         case PIPE_CAP_INT64_DIVMOD:
 163                 return 1;
 164
 165         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 166                 return 16;
 167
 168         case PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET:
 169                 return 0xffff;
 170
 171         case PIPE_CAP_QUERY_TIMESTAMP:
 172         case PIPE_CAP_CUBE_MAP_ARRAY:
 173                 return 1;
 174
 175         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 176                 return 1;
 177
 178         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 179                 return 65536;
 180
 181         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 182                 return 0;
 183
 184         case PIPE_CAP_TGSI_TEXCOORD:
 185                 return 1; /* XXX: What should this me exactly? */
 186
 187         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 188                 return 0;
 189
 190         case PIPE_CAP_MAX_VIEWPORTS:
 191                 return PIPE_MAX_VIEWPORTS;
 192
 193         case PIPE_CAP_ENDIANNESS:
 194                 return PIPE_ENDIAN_NATIVE;
 195
 196         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 197                 return 4;
 198
 199         case PIPE_CAP_TEXTURE_GATHER_SM5:
 200         case PIPE_CAP_TEXTURE_QUERY_LOD:
 201         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 202         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 203         case PIPE_CAP_FAKE_SW_MSAA:
 204                 return 1;
 205
 206         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 207                 return -32;
 208
 209         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 210                 return 31;
 211
 212         case PIPE_CAP_DRAW_INDIRECT:
 213                 return 1;
 214
 215         case PIPE_CAP_QUERY_SO_OVERFLOW:
 216                 return 1;
 217
 218         case PIPE_CAP_VENDOR_ID:
 219                 return 0xFFFFFFFF;
 220
 221         case PIPE_CAP_DEVICE_ID:
 222                 return 0xFFFFFFFF;
 223
 224         case PIPE_CAP_ACCELERATED:
 225                 return 1;
 226
 227         case PIPE_CAP_VIDEO_MEMORY: {
 228                 uint64_t system_memory;
 229
 230                 if (!os_get_total_physical_memory(&system_memory))
 231                         return 0;
 232
 233                 return (int)(system_memory >> 20);
 234         }
 235
 236         case PIPE_CAP_UMA:
 237                 return 1;
 238
 239         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 240         case PIPE_CAP_CLIP_HALFZ:
 241         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 242         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 243         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 244         case PIPE_CAP_CULL_DISTANCE:
 245         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 246         case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 247         case PIPE_CAP_CLEAR_TEXTURE:
 248                 return 1;
 249
 250         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 251                 return 4;
 252
 253         case PIPE_CAP_MAX_VARYINGS:
 254                 return 16;
 255
 256         default:
 257                 return u_pipe_screen_get_param_defaults(screen, param);
 258         }
 259 }
 260
 261 static int
 262 panfrost_get_shader_param(struct pipe_screen *screen,
 263                           enum pipe_shader_type shader,
 264                           enum pipe_shader_cap param)
 265 {
 266         if (shader != PIPE_SHADER_VERTEX &&
 267                         shader != PIPE_SHADER_FRAGMENT) {
 268                 return 0;
 269         }
 270
 271         /* this is probably not totally correct.. but it's a start: */
 272         switch (param) {
 273         case PIPE_SHADER_CAP_SCALAR_ISA:
 274                 return 0;
 275
 276         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 277         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 278         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 279         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 280                 return 16384;
 281
 282         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 283                 return 1024;
 284
 285         case PIPE_SHADER_CAP_MAX_INPUTS:
 286                 return 16;
 287
 288         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 289                 return shader == PIPE_SHADER_FRAGMENT ? 1 : 8;
 290
 291         case PIPE_SHADER_CAP_MAX_TEMPS:
 292                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 293
 294         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 295                 return 16 * 1024 * sizeof(float);
 296
 297         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 298                 return 1;
 299
 300         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 301                 return 0;
 302
 303         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 304         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 305         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 306                 return 0;
 307
 308         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 309                 return 1;
 310
 311         case PIPE_SHADER_CAP_SUBROUTINES:
 312                 return 0;
 313
 314         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 315                 return 0;
 316
 317         case PIPE_SHADER_CAP_INTEGERS:
 318                 return 1;
 319
 320         case PIPE_SHADER_CAP_INT64_ATOMICS:
 321         case PIPE_SHADER_CAP_FP16:
 322         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 323         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 324         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 325         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 326         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 327                 return 0;
 328
 329         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 330         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 331                 return 16; /* XXX: How many? */
 332
 333         case PIPE_SHADER_CAP_PREFERRED_IR:
 334                 return PIPE_SHADER_IR_NIR;
 335
 336         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 337                 return 0;
 338
 339         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 340                 return 32;
 341
 342         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 343         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 344         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 345         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 346         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 347         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 348                 return 0;
 349
 350         default:
 351                 fprintf(stderr, "unknown shader param %d\n", param);
 352                 return 0;
 353         }
 354
 355         return 0;
 356 }
 357
 358 static float
 359 panfrost_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
 360 {
 361         switch (param) {
 362         case PIPE_CAPF_MAX_LINE_WIDTH:
 363
 364         /* fall-through */
 365         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 366                 return 255.0; /* arbitrary */
 367
 368         case PIPE_CAPF_MAX_POINT_WIDTH:
 369
 370         /* fall-through */
 371         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 372                 return 255.0; /* arbitrary */
 373
 374         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 375                 return 16.0;
 376
 377         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 378                 return 16.0; /* arbitrary */
 379
 380         default:
 381                 debug_printf("Unexpected PIPE_CAPF %d query\n", param);
 382                 return 0.0;
 383         }
 384 }
 385
 386 /**
 387  * Query format support for creating a texture, drawing surface, etc.
 388  * \param format  the format to test
 389  * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 390  */
 391 static boolean
 392 panfrost_is_format_supported( struct pipe_screen *screen,
 393                               enum pipe_format format,
 394                               enum pipe_texture_target target,
 395                               unsigned sample_count,
 396                               unsigned storage_sample_count,
 397                               unsigned bind)
 398 {
 399         const struct util_format_description *format_desc;
 400
 401         assert(target == PIPE_BUFFER ||
 402                target == PIPE_TEXTURE_1D ||
 403                target == PIPE_TEXTURE_1D_ARRAY ||
 404                target == PIPE_TEXTURE_2D ||
 405                target == PIPE_TEXTURE_2D_ARRAY ||
 406                target == PIPE_TEXTURE_RECT ||
 407                target == PIPE_TEXTURE_3D ||
 408                target == PIPE_TEXTURE_CUBE ||
 409                target == PIPE_TEXTURE_CUBE_ARRAY);
 410
 411         format_desc = util_format_description(format);
 412
 413         if (!format_desc)
 414                 return FALSE;
 415
 416         if (sample_count > 1)
 417                 return FALSE;
 418
 419         /* Format wishlist */
 420         if (format == PIPE_FORMAT_Z24X8_UNORM || format == PIPE_FORMAT_X8Z24_UNORM)
 421                 return FALSE;
 422
 423         if (bind & PIPE_BIND_RENDER_TARGET) {
 424                 /* We don't support rendering into anything but RGBA8 yet. We
 425                  * need more formats for spec compliance, but for now, honesty
 426                  * is the best policy <3 */
 427
 428                 if (!util_format_is_rgba8_variant(format_desc))
 429                         return FALSE;
 430
 431                 if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
 432                         return FALSE;
 433
 434                 /*
 435                  * Although possible, it is unnatural to render into compressed or YUV
 436                  * surfaces. So disable these here to avoid going into weird paths
 437                  * inside the state trackers.
 438                  */
 439                 if (format_desc->block.width != 1 ||
 440                                 format_desc->block.height != 1)
 441                         return FALSE;
 442         }
 443
 444         if (bind & PIPE_BIND_DEPTH_STENCIL) {
 445                 if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
 446                         return FALSE;
 447         }
 448
 449         if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC ||
 450                         format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
 451                 /* Compressed formats not yet hooked up. */
 452                 return FALSE;
 453         }
 454
 455         if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) &&
 456                         ((bind & PIPE_BIND_DISPLAY_TARGET) == 0) &&
 457                         target != PIPE_BUFFER) {
 458                 const struct util_format_description *desc =
 459                         util_format_description(format);
 460
 461                 if (desc->nr_channels == 3 && desc->is_array) {
 462                         /* Don't support any 3-component formats for rendering/texturing
 463                          * since we don't support the corresponding 8-bit 3 channel UNORM
 464                          * formats.  This allows us to support GL_ARB_copy_image between
 465                          * GL_RGB8 and GL_RGB8UI, for example.  Otherwise, we may be asked to
 466                          * do a resource copy between PIPE_FORMAT_R8G8B8_UINT and
 467                          * PIPE_FORMAT_R8G8B8X8_UNORM, for example, which will not work
 468                          * (different bpp).
 469                          */
 470                         return FALSE;
 471                 }
 472         }
 473
 474         return TRUE;
 475 }
 476
 477
 478 static void
 479 panfrost_destroy_screen( struct pipe_screen *screen )
 480 {
 481         FREE(screen);
 482 }
 483
 484 static void
 485 panfrost_flush_frontbuffer(struct pipe_screen *_screen,
 486                            struct pipe_resource *resource,
 487                            unsigned level, unsigned layer,
 488                            void *context_private,
 489                            struct pipe_box *sub_box)
 490 {
 491         /* TODO: Display target integration */
 492 }
 493
 494 static uint64_t
 495 panfrost_get_timestamp(struct pipe_screen *_screen)
 496 {
 497         return os_time_get_nano();
 498 }
 499
 500 static void
 501 panfrost_fence_reference(struct pipe_screen *screen,
 502                          struct pipe_fence_handle **ptr,
 503                          struct pipe_fence_handle *fence)
 504 {
 505         *ptr = fence;
 506 }
 507
 508 static boolean
 509 panfrost_fence_finish(struct pipe_screen *screen,
 510                       struct pipe_context *ctx,
 511                       struct pipe_fence_handle *fence,
 512                       uint64_t timeout)
 513 {
 514         assert(fence);
 515         return TRUE;
 516 }
 517
 518 static const void *
 519 panfrost_screen_get_compiler_options(struct pipe_screen *pscreen,
 520                                      enum pipe_shader_ir ir,
 521                                      enum pipe_shader_type shader)
 522 {
 523         return &midgard_nir_options;
 524 }
 525
 526 struct pipe_screen *
 527 panfrost_create_screen(int fd, struct renderonly *ro, bool is_drm)
 528 {
 529         struct panfrost_screen *screen = CALLOC_STRUCT(panfrost_screen);
 530
 531         if (!screen)
 532                 return NULL;
 533
 534         if (ro) {
 535                 screen->ro = renderonly_dup(ro);
 536                 if (!screen->ro) {
 537                         fprintf(stderr, "Failed to dup renderonly object\n");
 538                         free(screen);
 539                         return NULL;
 540                 }
 541         }
 542
 543         if (is_drm) {
 544                 screen->driver = panfrost_create_drm_driver(fd);
 545         } else {
 546 #ifdef PAN_NONDRM_OVERLAY
 547                 screen->driver = panfrost_create_nondrm_driver(fd);
 548 #else
 549                 fprintf(stderr, "Legacy (non-DRM) operation requires out-of-tree overlay\n");
 550                 return NULL;
 551 #endif
 552         }
 553
 554 #ifdef DUMP_PERFORMANCE_COUNTERS
 555         screen->driver->allocate_slab(screen, &screen->perf_counters, 64, true, 0, 0, 0);
 556         screen->driver->enable_counters(screen);
 557 #endif
 558
 559         screen->base.destroy = panfrost_destroy_screen;
 560
 561         screen->base.get_name = panfrost_get_name;
 562         screen->base.get_vendor = panfrost_get_vendor;
 563         screen->base.get_device_vendor = panfrost_get_device_vendor;
 564         screen->base.get_param = panfrost_get_param;
 565         screen->base.get_shader_param = panfrost_get_shader_param;
 566         screen->base.get_paramf = panfrost_get_paramf;
 567         screen->base.get_timestamp = panfrost_get_timestamp;
 568         screen->base.is_format_supported = panfrost_is_format_supported;
 569         screen->base.context_create = panfrost_create_context;
 570         screen->base.flush_frontbuffer = panfrost_flush_frontbuffer;
 571         screen->base.get_compiler_options = panfrost_screen_get_compiler_options;
 572         screen->base.fence_reference = panfrost_fence_reference;
 573         screen->base.fence_finish = panfrost_fence_finish;
 574
 575         screen->last_fragment_id = -1;
 576         screen->last_fragment_flushed = true;
 577
 578         panfrost_resource_screen_init(screen);
 579
 580         return &screen->base;
 581 }