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