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_debug.h"
  32 #include "util/u_memory.h"
  33 #include "util/u_format.h"
  34 #include "util/u_format_s3tc.h"
  35 #include "util/u_video.h"
  36 #include "util/u_screen.h"
  37 #include "util/os_time.h"
  38 #include "pipe/p_defines.h"
  39 #include "pipe/p_screen.h"
  40 #include "draw/draw_context.h"
  41 #include <xf86drm.h>
  42
  43 #include <fcntl.h>
  44
  45 #include "drm-uapi/drm_fourcc.h"
  46
  47 #include "pan_screen.h"
  48 #include "pan_resource.h"
  49 #include "pan_public.h"
  50 #include "pan_util.h"
  51
  52 #include "pan_context.h"
  53 #include "midgard/midgard_compile.h"
  54
  55 static const struct debug_named_value debug_options[] = {
  56         {"msgs",      PAN_DBG_MSGS,     "Print debug messages"},
  57         {"shaders",   PAN_DBG_SHADERS,  "Dump shaders in NIR"},
  58         DEBUG_NAMED_VALUE_END
  59 };
  60
  61 DEBUG_GET_ONCE_FLAGS_OPTION(pan_debug, "PAN_MESA_DEBUG", debug_options, 0)
  62
  63 int pan_debug = 0;
  64
  65 struct panfrost_driver *panfrost_create_drm_driver(int fd);
  66 struct panfrost_driver *panfrost_create_nondrm_driver(int fd);
  67
  68 const char *pan_counters_base = NULL;
  69
  70 static const char *
  71 panfrost_get_name(struct pipe_screen *screen)
  72 {
  73         return "panfrost";
  74 }
  75
  76 static const char *
  77 panfrost_get_vendor(struct pipe_screen *screen)
  78 {
  79         return "panfrost";
  80 }
  81
  82 static const char *
  83 panfrost_get_device_vendor(struct pipe_screen *screen)
  84 {
  85         return "Arm";
  86 }
  87
  88 static int
  89 panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
  90 {
  91         switch (param) {
  92         case PIPE_CAP_NPOT_TEXTURES:
  93         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
  94         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
  95                 return 1;
  96
  97         case PIPE_CAP_SM3:
  98         case PIPE_CAP_POINT_SPRITE:
  99                 return 1;
 100
 101         case PIPE_CAP_MAX_RENDER_TARGETS:
 102         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 103                 return 1;
 104
 105         case PIPE_CAP_OCCLUSION_QUERY:
 106         case PIPE_CAP_QUERY_TIME_ELAPSED:
 107         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 108                 return 1; /* TODO: Queries */
 109
 110         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 111         case PIPE_CAP_TEXTURE_SWIZZLE:
 112                 return 1;
 113
 114         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 115         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 116         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 117                 return 13;
 118
 119         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 120                 return 1;
 121
 122         case PIPE_CAP_INDEP_BLEND_ENABLE:
 123                 return 1;
 124
 125         case PIPE_CAP_INDEP_BLEND_FUNC:
 126                 return 1;
 127
 128         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 129         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 130         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 131         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 132                 return 1;
 133
 134         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 135                 return 1;
 136
 137         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 138         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 139                 return 16 * 4;
 140
 141         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 142         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 143                 return 1024;
 144
 145         case PIPE_CAP_MAX_VERTEX_STREAMS:
 146                 return 1;
 147
 148         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 149                 return 1;
 150
 151         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 152         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 153                 return 1;
 154
 155         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 156                 return 256; /* for GL3 */
 157
 158         case PIPE_CAP_CONDITIONAL_RENDER:
 159                 return 1;
 160
 161         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 162         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 163         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 164                 return 1;
 165
 166         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 167                 return 330;
 168
 169         case PIPE_CAP_USER_VERTEX_BUFFERS: /* TODO */
 170         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 171                 return 0;
 172
 173         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 174         case PIPE_CAP_DOUBLES:
 175         case PIPE_CAP_INT64:
 176         case PIPE_CAP_INT64_DIVMOD:
 177                 return 1;
 178
 179         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 180                 return 16;
 181
 182         case PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET:
 183                 return 0xffff;
 184
 185         case PIPE_CAP_QUERY_TIMESTAMP:
 186         case PIPE_CAP_CUBE_MAP_ARRAY:
 187                 return 1;
 188
 189         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 190                 return 1;
 191
 192         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 193                 return 65536;
 194
 195         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 196                 return 0;
 197
 198         case PIPE_CAP_TGSI_TEXCOORD:
 199                 return 1; /* XXX: What should this me exactly? */
 200
 201         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 202                 return 0;
 203
 204         case PIPE_CAP_MAX_VIEWPORTS:
 205                 return PIPE_MAX_VIEWPORTS;
 206
 207         case PIPE_CAP_ENDIANNESS:
 208                 return PIPE_ENDIAN_NATIVE;
 209
 210         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 211                 return 4;
 212
 213         case PIPE_CAP_TEXTURE_GATHER_SM5:
 214         case PIPE_CAP_TEXTURE_QUERY_LOD:
 215         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 216         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 217         case PIPE_CAP_FAKE_SW_MSAA:
 218                 return 1;
 219
 220         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 221                 return -32;
 222
 223         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 224                 return 31;
 225
 226         case PIPE_CAP_DRAW_INDIRECT:
 227                 return 1;
 228
 229         case PIPE_CAP_QUERY_SO_OVERFLOW:
 230                 return 1;
 231
 232         case PIPE_CAP_VENDOR_ID:
 233                 return 0xFFFFFFFF;
 234
 235         case PIPE_CAP_DEVICE_ID:
 236                 return 0xFFFFFFFF;
 237
 238         case PIPE_CAP_ACCELERATED:
 239                 return 1;
 240
 241         case PIPE_CAP_VIDEO_MEMORY: {
 242                 uint64_t system_memory;
 243
 244                 if (!os_get_total_physical_memory(&system_memory))
 245                         return 0;
 246
 247                 return (int)(system_memory >> 20);
 248         }
 249
 250         case PIPE_CAP_UMA:
 251                 return 1;
 252
 253         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 254         case PIPE_CAP_CLIP_HALFZ:
 255         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 256         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 257         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 258         case PIPE_CAP_CULL_DISTANCE:
 259         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 260         case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 261         case PIPE_CAP_CLEAR_TEXTURE:
 262                 return 1;
 263
 264         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 265                 return 4;
 266
 267         case PIPE_CAP_MAX_VARYINGS:
 268                 return 16;
 269
 270         default:
 271                 return u_pipe_screen_get_param_defaults(screen, param);
 272         }
 273 }
 274
 275 static int
 276 panfrost_get_shader_param(struct pipe_screen *screen,
 277                           enum pipe_shader_type shader,
 278                           enum pipe_shader_cap param)
 279 {
 280         if (shader != PIPE_SHADER_VERTEX &&
 281                         shader != PIPE_SHADER_FRAGMENT) {
 282                 return 0;
 283         }
 284
 285         /* this is probably not totally correct.. but it's a start: */
 286         switch (param) {
 287         case PIPE_SHADER_CAP_SCALAR_ISA:
 288                 return 0;
 289
 290         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 291         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 292         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 293         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 294                 return 16384;
 295
 296         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 297                 return 1024;
 298
 299         case PIPE_SHADER_CAP_MAX_INPUTS:
 300                 return 16;
 301
 302         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 303                 return shader == PIPE_SHADER_FRAGMENT ? 1 : 8;
 304
 305         case PIPE_SHADER_CAP_MAX_TEMPS:
 306                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 307
 308         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 309                 return 16 * 1024 * sizeof(float);
 310
 311         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 312                 return 1;
 313
 314         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 315                 return 0;
 316
 317         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 318         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 319         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 320                 return 0;
 321
 322         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 323                 return 1;
 324
 325         case PIPE_SHADER_CAP_SUBROUTINES:
 326                 return 0;
 327
 328         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 329                 return 0;
 330
 331         case PIPE_SHADER_CAP_INTEGERS:
 332                 return 1;
 333
 334         case PIPE_SHADER_CAP_INT64_ATOMICS:
 335         case PIPE_SHADER_CAP_FP16:
 336         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 337         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 338         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 339         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 340         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 341                 return 0;
 342
 343         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 344         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 345                 return 16; /* XXX: How many? */
 346
 347         case PIPE_SHADER_CAP_PREFERRED_IR:
 348                 return PIPE_SHADER_IR_NIR;
 349
 350         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 351                 return 0;
 352
 353         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 354                 return 32;
 355
 356         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 357         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 358         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 359         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 360         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 361         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 362                 return 0;
 363
 364         default:
 365                 fprintf(stderr, "unknown shader param %d\n", param);
 366                 return 0;
 367         }
 368
 369         return 0;
 370 }
 371
 372 static float
 373 panfrost_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
 374 {
 375         switch (param) {
 376         case PIPE_CAPF_MAX_LINE_WIDTH:
 377
 378         /* fall-through */
 379         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 380                 return 255.0; /* arbitrary */
 381
 382         case PIPE_CAPF_MAX_POINT_WIDTH:
 383
 384         /* fall-through */
 385         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 386                 return 255.0; /* arbitrary */
 387
 388         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 389                 return 16.0;
 390
 391         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 392                 return 16.0; /* arbitrary */
 393
 394         default:
 395                 debug_printf("Unexpected PIPE_CAPF %d query\n", param);
 396                 return 0.0;
 397         }
 398 }
 399
 400 /**
 401  * Query format support for creating a texture, drawing surface, etc.
 402  * \param format  the format to test
 403  * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 404  */
 405 static boolean
 406 panfrost_is_format_supported( struct pipe_screen *screen,
 407                               enum pipe_format format,
 408                               enum pipe_texture_target target,
 409                               unsigned sample_count,
 410                               unsigned storage_sample_count,
 411                               unsigned bind)
 412 {
 413         const struct util_format_description *format_desc;
 414
 415         assert(target == PIPE_BUFFER ||
 416                target == PIPE_TEXTURE_1D ||
 417                target == PIPE_TEXTURE_1D_ARRAY ||
 418                target == PIPE_TEXTURE_2D ||
 419                target == PIPE_TEXTURE_2D_ARRAY ||
 420                target == PIPE_TEXTURE_RECT ||
 421                target == PIPE_TEXTURE_3D ||
 422                target == PIPE_TEXTURE_CUBE ||
 423                target == PIPE_TEXTURE_CUBE_ARRAY);
 424
 425         format_desc = util_format_description(format);
 426
 427         if (!format_desc)
 428                 return FALSE;
 429
 430         if (sample_count > 1)
 431                 return FALSE;
 432
 433         /* Format wishlist */
 434         if (format == PIPE_FORMAT_Z24X8_UNORM || format == PIPE_FORMAT_X8Z24_UNORM)
 435                 return FALSE;
 436
 437         if (bind & PIPE_BIND_RENDER_TARGET) {
 438                 /* We don't support rendering into anything but RGBA8 yet. We
 439                  * need more formats for spec compliance, but for now, honesty
 440                  * is the best policy <3 */
 441
 442                 if (!util_format_is_rgba8_variant(format_desc))
 443                         return FALSE;
 444
 445                 if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
 446                         return FALSE;
 447
 448                 /*
 449                  * Although possible, it is unnatural to render into compressed or YUV
 450                  * surfaces. So disable these here to avoid going into weird paths
 451                  * inside the state trackers.
 452                  */
 453                 if (format_desc->block.width != 1 ||
 454                                 format_desc->block.height != 1)
 455                         return FALSE;
 456         }
 457
 458         if (bind & PIPE_BIND_DEPTH_STENCIL) {
 459                 if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
 460                         return FALSE;
 461         }
 462
 463         if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC ||
 464                         format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
 465                 /* Compressed formats not yet hooked up. */
 466                 return FALSE;
 467         }
 468
 469         if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) &&
 470                         ((bind & PIPE_BIND_DISPLAY_TARGET) == 0) &&
 471                         target != PIPE_BUFFER) {
 472                 const struct util_format_description *desc =
 473                         util_format_description(format);
 474
 475                 if (desc->nr_channels == 3 && desc->is_array) {
 476                         /* Don't support any 3-component formats for rendering/texturing
 477                          * since we don't support the corresponding 8-bit 3 channel UNORM
 478                          * formats.  This allows us to support GL_ARB_copy_image between
 479                          * GL_RGB8 and GL_RGB8UI, for example.  Otherwise, we may be asked to
 480                          * do a resource copy between PIPE_FORMAT_R8G8B8_UINT and
 481                          * PIPE_FORMAT_R8G8B8X8_UNORM, for example, which will not work
 482                          * (different bpp).
 483                          */
 484                         return FALSE;
 485                 }
 486         }
 487
 488         return TRUE;
 489 }
 490
 491
 492 static void
 493 panfrost_destroy_screen( struct pipe_screen *screen )
 494 {
 495         FREE(screen);
 496 }
 497
 498 static void
 499 panfrost_flush_frontbuffer(struct pipe_screen *_screen,
 500                            struct pipe_resource *resource,
 501                            unsigned level, unsigned layer,
 502                            void *context_private,
 503                            struct pipe_box *sub_box)
 504 {
 505         /* TODO: Display target integration */
 506 }
 507
 508 static uint64_t
 509 panfrost_get_timestamp(struct pipe_screen *_screen)
 510 {
 511         return os_time_get_nano();
 512 }
 513
 514 static void
 515 panfrost_fence_reference(struct pipe_screen *pscreen,
 516                          struct pipe_fence_handle **ptr,
 517                          struct pipe_fence_handle *fence)
 518 {
 519         struct panfrost_screen *screen = pan_screen(pscreen);
 520         screen->driver->fence_reference(pscreen, ptr, fence);
 521 }
 522
 523 static boolean
 524 panfrost_fence_finish(struct pipe_screen *pscreen,
 525                       struct pipe_context *ctx,
 526                       struct pipe_fence_handle *fence,
 527                       uint64_t timeout)
 528 {
 529         struct panfrost_screen *screen = pan_screen(pscreen);
 530         return screen->driver->fence_finish(pscreen, ctx, fence, timeout);
 531 }
 532
 533 static const void *
 534 panfrost_screen_get_compiler_options(struct pipe_screen *pscreen,
 535                                      enum pipe_shader_ir ir,
 536                                      enum pipe_shader_type shader)
 537 {
 538         return &midgard_nir_options;
 539 }
 540
 541 struct pipe_screen *
 542 panfrost_create_screen(int fd, struct renderonly *ro, bool is_drm)
 543 {
 544         struct panfrost_screen *screen = CALLOC_STRUCT(panfrost_screen);
 545
 546         pan_debug = debug_get_option_pan_debug();
 547
 548         if (!screen)
 549                 return NULL;
 550
 551         if (ro) {
 552                 screen->ro = renderonly_dup(ro);
 553                 if (!screen->ro) {
 554                         fprintf(stderr, "Failed to dup renderonly object\n");
 555                         free(screen);
 556                         return NULL;
 557                 }
 558         }
 559
 560         if (is_drm) {
 561                 screen->driver = panfrost_create_drm_driver(fd);
 562         } else {
 563 #ifdef PAN_NONDRM_OVERLAY
 564                 screen->driver = panfrost_create_nondrm_driver(fd);
 565 #else
 566                 fprintf(stderr, "Legacy (non-DRM) operation requires out-of-tree overlay\n");
 567                 return NULL;
 568 #endif
 569         }
 570
 571         /* Dump memory and/or performance counters iff asked for in the environment */
 572         const char *pantrace_base = getenv("PANTRACE_BASE");
 573         pan_counters_base = getenv("PANCOUNTERS_BASE");
 574
 575         if (pantrace_base) {
 576                 pantrace_initialize(pantrace_base);
 577         }
 578
 579         if (pan_counters_base) {
 580                 screen->driver->allocate_slab(screen, &screen->perf_counters, 64, true, 0, 0, 0);
 581                 screen->driver->enable_counters(screen);
 582         }
 583
 584         screen->base.destroy = panfrost_destroy_screen;
 585
 586         screen->base.get_name = panfrost_get_name;
 587         screen->base.get_vendor = panfrost_get_vendor;
 588         screen->base.get_device_vendor = panfrost_get_device_vendor;
 589         screen->base.get_param = panfrost_get_param;
 590         screen->base.get_shader_param = panfrost_get_shader_param;
 591         screen->base.get_paramf = panfrost_get_paramf;
 592         screen->base.get_timestamp = panfrost_get_timestamp;
 593         screen->base.is_format_supported = panfrost_is_format_supported;
 594         screen->base.context_create = panfrost_create_context;
 595         screen->base.flush_frontbuffer = panfrost_flush_frontbuffer;
 596         screen->base.get_compiler_options = panfrost_screen_get_compiler_options;
 597         screen->base.fence_reference = panfrost_fence_reference;
 598         screen->base.fence_finish = panfrost_fence_finish;
 599
 600         screen->last_fragment_id = -1;
 601         screen->last_fragment_flushed = true;
 602
 603         panfrost_resource_screen_init(screen);
 604
 605         return &screen->base;
 606 }