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
   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 struct panfrost_driver *panfrost_create_drm_driver(int fd);
  68
  69 const char *pan_counters_base = NULL;
  70
  71 static const char *
  72 panfrost_get_name(struct pipe_screen *screen)
  73 {
  74         return "panfrost";
  75 }
  76
  77 static const char *
  78 panfrost_get_vendor(struct pipe_screen *screen)
  79 {
  80         return "panfrost";
  81 }
  82
  83 static const char *
  84 panfrost_get_device_vendor(struct pipe_screen *screen)
  85 {
  86         return "Arm";
  87 }
  88
  89 static int
  90 panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
  91 {
  92         switch (param) {
  93         case PIPE_CAP_NPOT_TEXTURES:
  94         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
  95         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
  96                 return 1;
  97
  98         case PIPE_CAP_SM3:
  99         case PIPE_CAP_POINT_SPRITE:
 100                 return 1;
 101
 102         case PIPE_CAP_MAX_RENDER_TARGETS:
 103         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 104                 return 1;
 105
 106         case PIPE_CAP_OCCLUSION_QUERY:
 107         case PIPE_CAP_QUERY_TIME_ELAPSED:
 108         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 109                 return 1; /* TODO: Queries */
 110
 111         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 112         case PIPE_CAP_TEXTURE_SWIZZLE:
 113                 return 1;
 114
 115         /* TODO: ES3. We expose these caps so we can access higher dEQP
 116          * tests; in actuality they are nonfunctional */
 117         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 118                 return 4;
 119         case PIPE_CAP_TGSI_INSTANCEID:
 120         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 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_DEPTH_CLIP_DISABLE:
 149                 return 1;
 150
 151         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 152         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 153                 return 16 * 4;
 154
 155         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 156         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 157                 return 1024;
 158
 159         case PIPE_CAP_MAX_VERTEX_STREAMS:
 160                 return 1;
 161
 162         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 163                 return 1;
 164
 165         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 166         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 167                 return 1;
 168
 169         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 170                 return 256; /* for GL3 */
 171
 172         case PIPE_CAP_CONDITIONAL_RENDER:
 173                 return 1;
 174
 175         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 176         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 177         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 178                 return 1;
 179
 180         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 181                 return 330;
 182
 183         case PIPE_CAP_USER_VERTEX_BUFFERS: /* TODO */
 184         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 185                 return 0;
 186
 187         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 188         case PIPE_CAP_DOUBLES:
 189         case PIPE_CAP_INT64:
 190         case PIPE_CAP_INT64_DIVMOD:
 191                 return 1;
 192
 193         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 194                 return 16;
 195
 196         case PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET:
 197                 return 0xffff;
 198
 199         case PIPE_CAP_QUERY_TIMESTAMP:
 200         case PIPE_CAP_CUBE_MAP_ARRAY:
 201                 return 1;
 202
 203         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 204                 return 1;
 205
 206         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 207                 return 65536;
 208
 209         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 210                 return 0;
 211
 212         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 213                 return 0;
 214
 215         case PIPE_CAP_MAX_VIEWPORTS:
 216                 return PIPE_MAX_VIEWPORTS;
 217
 218         case PIPE_CAP_ENDIANNESS:
 219                 return PIPE_ENDIAN_NATIVE;
 220
 221         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 222                 return 4;
 223
 224         case PIPE_CAP_TEXTURE_GATHER_SM5:
 225         case PIPE_CAP_TEXTURE_QUERY_LOD:
 226         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 227         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 228         case PIPE_CAP_FAKE_SW_MSAA:
 229                 return 1;
 230
 231         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 232                 return -32;
 233
 234         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 235                 return 31;
 236
 237         case PIPE_CAP_DRAW_INDIRECT:
 238                 return 1;
 239
 240         case PIPE_CAP_QUERY_SO_OVERFLOW:
 241                 return 1;
 242
 243         case PIPE_CAP_VENDOR_ID:
 244                 return 0xFFFFFFFF;
 245
 246         case PIPE_CAP_DEVICE_ID:
 247                 return 0xFFFFFFFF;
 248
 249         case PIPE_CAP_ACCELERATED:
 250                 return 1;
 251
 252         case PIPE_CAP_VIDEO_MEMORY: {
 253                 uint64_t system_memory;
 254
 255                 if (!os_get_total_physical_memory(&system_memory))
 256                         return 0;
 257
 258                 return (int)(system_memory >> 20);
 259         }
 260
 261         case PIPE_CAP_UMA:
 262                 return 1;
 263
 264         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 265         case PIPE_CAP_CLIP_HALFZ:
 266         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 267         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 268         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 269         case PIPE_CAP_CULL_DISTANCE:
 270         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 271         case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 272         case PIPE_CAP_CLEAR_TEXTURE:
 273                 return 1;
 274
 275         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 276                 return 4;
 277
 278         case PIPE_CAP_MAX_VARYINGS:
 279                 return 16;
 280
 281         default:
 282                 return u_pipe_screen_get_param_defaults(screen, param);
 283         }
 284 }
 285
 286 static int
 287 panfrost_get_shader_param(struct pipe_screen *screen,
 288                           enum pipe_shader_type shader,
 289                           enum pipe_shader_cap param)
 290 {
 291         if (shader != PIPE_SHADER_VERTEX &&
 292                         shader != PIPE_SHADER_FRAGMENT) {
 293                 return 0;
 294         }
 295
 296         /* this is probably not totally correct.. but it's a start: */
 297         switch (param) {
 298         case PIPE_SHADER_CAP_SCALAR_ISA:
 299                 return 0;
 300
 301         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 302                 return 0;
 303         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 304         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 305         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 306                 return 16384;
 307
 308         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 309                 return 1024;
 310
 311         case PIPE_SHADER_CAP_MAX_INPUTS:
 312                 return 16;
 313
 314         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 315                 return shader == PIPE_SHADER_FRAGMENT ? 1 : 8;
 316
 317         case PIPE_SHADER_CAP_MAX_TEMPS:
 318                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 319
 320         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 321                 return 16 * 1024 * sizeof(float);
 322
 323         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 324                 return 4;
 325
 326         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 327                 return 0;
 328
 329         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 330                 return 1;
 331         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 332                 return 0;
 333
 334         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 335                 return 0;
 336
 337         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 338                 return 1;
 339
 340         case PIPE_SHADER_CAP_SUBROUTINES:
 341                 return 0;
 342
 343         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 344                 return 0;
 345
 346         case PIPE_SHADER_CAP_INTEGERS:
 347                 return 1;
 348
 349         case PIPE_SHADER_CAP_INT64_ATOMICS:
 350         case PIPE_SHADER_CAP_FP16:
 351         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 352         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 353         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 354         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 355         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 356                 return 0;
 357
 358         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 359         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 360                 return 16; /* XXX: How many? */
 361
 362         case PIPE_SHADER_CAP_PREFERRED_IR:
 363                 return PIPE_SHADER_IR_NIR;
 364
 365         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 366                 return 0;
 367
 368         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 369                 return 32;
 370
 371         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 372         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 373         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 374         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 375         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 376         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 377                 return 0;
 378
 379         default:
 380                 fprintf(stderr, "unknown shader param %d\n", param);
 381                 return 0;
 382         }
 383
 384         return 0;
 385 }
 386
 387 static float
 388 panfrost_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
 389 {
 390         switch (param) {
 391         case PIPE_CAPF_MAX_LINE_WIDTH:
 392
 393         /* fall-through */
 394         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 395                 return 255.0; /* arbitrary */
 396
 397         case PIPE_CAPF_MAX_POINT_WIDTH:
 398
 399         /* fall-through */
 400         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 401                 return 255.0; /* arbitrary */
 402
 403         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 404                 return 16.0;
 405
 406         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 407                 return 16.0; /* arbitrary */
 408
 409         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 410         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 411         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 412                 return 0.0f;
 413
 414         default:
 415                 debug_printf("Unexpected PIPE_CAPF %d query\n", param);
 416                 return 0.0;
 417         }
 418 }
 419
 420 /**
 421  * Query format support for creating a texture, drawing surface, etc.
 422  * \param format  the format to test
 423  * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 424  */
 425 static boolean
 426 panfrost_is_format_supported( struct pipe_screen *screen,
 427                               enum pipe_format format,
 428                               enum pipe_texture_target target,
 429                               unsigned sample_count,
 430                               unsigned storage_sample_count,
 431                               unsigned bind)
 432 {
 433         const struct util_format_description *format_desc;
 434
 435         assert(target == PIPE_BUFFER ||
 436                target == PIPE_TEXTURE_1D ||
 437                target == PIPE_TEXTURE_1D_ARRAY ||
 438                target == PIPE_TEXTURE_2D ||
 439                target == PIPE_TEXTURE_2D_ARRAY ||
 440                target == PIPE_TEXTURE_RECT ||
 441                target == PIPE_TEXTURE_3D ||
 442                target == PIPE_TEXTURE_CUBE ||
 443                target == PIPE_TEXTURE_CUBE_ARRAY);
 444
 445         format_desc = util_format_description(format);
 446
 447         if (!format_desc)
 448                 return FALSE;
 449
 450         if (sample_count > 1)
 451                 return FALSE;
 452
 453         /* Format wishlist */
 454         if (format == PIPE_FORMAT_Z24X8_UNORM || format == PIPE_FORMAT_X8Z24_UNORM)
 455                 return FALSE;
 456
 457         if (format == PIPE_FORMAT_A1B5G5R5_UNORM || format == PIPE_FORMAT_X1B5G5R5_UNORM)
 458                 return FALSE;
 459
 460         if (bind & PIPE_BIND_RENDER_TARGET) {
 461                 /* TODO: Support all the formats! :) */
 462                 bool supported = util_format_is_rgba8_variant(format_desc);
 463                 supported |= format == PIPE_FORMAT_B5G6R5_UNORM;
 464
 465                 if (!supported)
 466                         return FALSE;
 467
 468                 if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
 469                         return FALSE;
 470
 471                 /*
 472                  * Although possible, it is unnatural to render into compressed or YUV
 473                  * surfaces. So disable these here to avoid going into weird paths
 474                  * inside the state trackers.
 475                  */
 476                 if (format_desc->block.width != 1 ||
 477                                 format_desc->block.height != 1)
 478                         return FALSE;
 479         }
 480
 481         if (bind & PIPE_BIND_DEPTH_STENCIL) {
 482                 if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
 483                         return FALSE;
 484         }
 485
 486         if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC ||
 487                         format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC ||
 488                         format_desc->layout == UTIL_FORMAT_LAYOUT_ETC) {
 489                 /* Compressed formats not yet hooked up. */
 490                 return FALSE;
 491         }
 492
 493         if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) &&
 494                         ((bind & PIPE_BIND_DISPLAY_TARGET) == 0) &&
 495                         target != PIPE_BUFFER) {
 496                 const struct util_format_description *desc =
 497                         util_format_description(format);
 498
 499                 if (desc->nr_channels == 3 && desc->is_array) {
 500                         /* Don't support any 3-component formats for rendering/texturing
 501                          * since we don't support the corresponding 8-bit 3 channel UNORM
 502                          * formats.  This allows us to support GL_ARB_copy_image between
 503                          * GL_RGB8 and GL_RGB8UI, for example.  Otherwise, we may be asked to
 504                          * do a resource copy between PIPE_FORMAT_R8G8B8_UINT and
 505                          * PIPE_FORMAT_R8G8B8X8_UNORM, for example, which will not work
 506                          * (different bpp).
 507                          */
 508                         return FALSE;
 509                 }
 510         }
 511
 512         return TRUE;
 513 }
 514
 515
 516 static void
 517 panfrost_destroy_screen(struct pipe_screen *pscreen)
 518 {
 519         struct panfrost_screen *screen = pan_screen(pscreen);
 520         panfrost_resource_screen_deinit(screen);
 521         ralloc_free(screen);
 522 }
 523
 524 static void
 525 panfrost_flush_frontbuffer(struct pipe_screen *_screen,
 526                            struct pipe_resource *resource,
 527                            unsigned level, unsigned layer,
 528                            void *context_private,
 529                            struct pipe_box *sub_box)
 530 {
 531         /* TODO: Display target integration */
 532 }
 533
 534 static uint64_t
 535 panfrost_get_timestamp(struct pipe_screen *_screen)
 536 {
 537         return os_time_get_nano();
 538 }
 539
 540 static void
 541 panfrost_fence_reference(struct pipe_screen *pscreen,
 542                          struct pipe_fence_handle **ptr,
 543                          struct pipe_fence_handle *fence)
 544 {
 545         struct panfrost_screen *screen = pan_screen(pscreen);
 546         screen->driver->fence_reference(pscreen, ptr, fence);
 547 }
 548
 549 static boolean
 550 panfrost_fence_finish(struct pipe_screen *pscreen,
 551                       struct pipe_context *ctx,
 552                       struct pipe_fence_handle *fence,
 553                       uint64_t timeout)
 554 {
 555         struct panfrost_screen *screen = pan_screen(pscreen);
 556         return screen->driver->fence_finish(pscreen, ctx, fence, timeout);
 557 }
 558
 559 static const void *
 560 panfrost_screen_get_compiler_options(struct pipe_screen *pscreen,
 561                                      enum pipe_shader_ir ir,
 562                                      enum pipe_shader_type shader)
 563 {
 564         return &midgard_nir_options;
 565 }
 566
 567 struct pipe_screen *
 568 panfrost_create_screen(int fd, struct renderonly *ro)
 569 {
 570         struct panfrost_screen *screen = rzalloc(NULL, struct panfrost_screen);
 571
 572         pan_debug = debug_get_option_pan_debug();
 573
 574         if (!screen)
 575                 return NULL;
 576
 577         if (ro) {
 578                 screen->ro = renderonly_dup(ro);
 579                 if (!screen->ro) {
 580                         fprintf(stderr, "Failed to dup renderonly object\n");
 581                         free(screen);
 582                         return NULL;
 583                 }
 584         }
 585
 586         screen->driver = panfrost_create_drm_driver(fd);
 587
 588         /* Dump performance counters iff asked for in the environment */
 589         pan_counters_base = getenv("PANCOUNTERS_BASE");
 590
 591         if (pan_counters_base) {
 592                 screen->driver->allocate_slab(screen, &screen->perf_counters, 64, true, 0, 0, 0);
 593                 screen->driver->enable_counters(screen);
 594         }
 595
 596         if (pan_debug & PAN_DBG_TRACE)
 597                 pandecode_initialize();
 598
 599         screen->base.destroy = panfrost_destroy_screen;
 600
 601         screen->base.get_name = panfrost_get_name;
 602         screen->base.get_vendor = panfrost_get_vendor;
 603         screen->base.get_device_vendor = panfrost_get_device_vendor;
 604         screen->base.get_param = panfrost_get_param;
 605         screen->base.get_shader_param = panfrost_get_shader_param;
 606         screen->base.get_paramf = panfrost_get_paramf;
 607         screen->base.get_timestamp = panfrost_get_timestamp;
 608         screen->base.is_format_supported = panfrost_is_format_supported;
 609         screen->base.context_create = panfrost_create_context;
 610         screen->base.flush_frontbuffer = panfrost_flush_frontbuffer;
 611         screen->base.get_compiler_options = panfrost_screen_get_compiler_options;
 612         screen->base.fence_reference = panfrost_fence_reference;
 613         screen->base.fence_finish = panfrost_fence_finish;
 614
 615         screen->last_fragment_flushed = true;
 616         screen->last_job = NULL;
 617
 618         panfrost_resource_screen_init(screen);
 619
 620         return &screen->base;
 621 }