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         {"deqp",      PAN_DBG_DEQP,     "Hacks for dEQP"},
  61                 /* ^^ If Rob can do it, so can I */
  62         DEBUG_NAMED_VALUE_END
  63 };
  64
  65 DEBUG_GET_ONCE_FLAGS_OPTION(pan_debug, "PAN_MESA_DEBUG", debug_options, 0)
  66
  67 int pan_debug = 0;
  68
  69 static const char *
  70 panfrost_get_name(struct pipe_screen *screen)
  71 {
  72         return "panfrost";
  73 }
  74
  75 static const char *
  76 panfrost_get_vendor(struct pipe_screen *screen)
  77 {
  78         return "panfrost";
  79 }
  80
  81 static const char *
  82 panfrost_get_device_vendor(struct pipe_screen *screen)
  83 {
  84         return "Arm";
  85 }
  86
  87 static int
  88 panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
  89 {
  90         /* We expose in-dev stuff for dEQP that we don't want apps to use yet */
  91         bool is_deqp = pan_debug & PAN_DBG_DEQP;
  92
  93         switch (param) {
  94         case PIPE_CAP_NPOT_TEXTURES:
  95         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
  96         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
  97         case PIPE_CAP_SM3:
  98         case PIPE_CAP_POINT_SPRITE:
  99                 return 1;
 100
 101         case PIPE_CAP_MAX_RENDER_TARGETS:
 102                 return 1;
 103
 104         case PIPE_CAP_OCCLUSION_QUERY:
 105                 return 1;
 106         case PIPE_CAP_QUERY_TIME_ELAPSED:
 107         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 108         case PIPE_CAP_QUERY_TIMESTAMP:
 109         case PIPE_CAP_QUERY_SO_OVERFLOW:
 110                 return 0;
 111
 112         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 113         case PIPE_CAP_TEXTURE_SWIZZLE:
 114                 return 1;
 115
 116         case PIPE_CAP_TGSI_INSTANCEID:
 117         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 118                 return is_deqp ? 1 : 0;
 119
 120         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 121                 return is_deqp ? 4 : 0;
 122         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 123         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 124                 return is_deqp ? 64 : 0;
 125
 126         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 127                 return is_deqp ? 256 : 0; /* for GL3 */
 128
 129         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 130         case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
 131                 return is_deqp ? 140 : 120;
 132         case PIPE_CAP_ESSL_FEATURE_LEVEL:
 133                 return is_deqp ? 300 : 120;
 134
 135         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 136                 return is_deqp ? 16 : 0;
 137
 138         case PIPE_CAP_CUBE_MAP_ARRAY:
 139                 return is_deqp;
 140
 141         /* TODO: Where does this req come from in practice? */
 142         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 143                 return 1;
 144
 145         case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
 146                 return 4096;
 147         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 148         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 149                 return 13;
 150
 151         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 152         case PIPE_CAP_INDEP_BLEND_ENABLE:
 153         case PIPE_CAP_INDEP_BLEND_FUNC:
 154                 return 1;
 155
 156         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 157                 /* Hardware is natively upper left */
 158                 return 0;
 159
 160         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 161         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 162         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 163         case PIPE_CAP_GENERATE_MIPMAP:
 164                 return 1;
 165
 166         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 167         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 168                 return 1;
 169
 170         case PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET:
 171                 return 0xffff;
 172
 173         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 174                 return 1;
 175
 176         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 177                 return 65536;
 178
 179         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 180                 return 0;
 181
 182         case PIPE_CAP_ENDIANNESS:
 183                 return PIPE_ENDIAN_NATIVE;
 184
 185         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 186                 return 1;
 187
 188         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 189                 return -8;
 190
 191         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 192                 return 7;
 193
 194         case PIPE_CAP_VENDOR_ID:
 195         case PIPE_CAP_DEVICE_ID:
 196                 return 0xFFFFFFFF;
 197
 198         case PIPE_CAP_ACCELERATED:
 199         case PIPE_CAP_UMA:
 200         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 201         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 202         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 203         case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 204                 return 1;
 205
 206         case PIPE_CAP_VIDEO_MEMORY: {
 207                 uint64_t system_memory;
 208
 209                 if (!os_get_total_physical_memory(&system_memory))
 210                         return 0;
 211
 212                 return (int)(system_memory >> 20);
 213         }
 214
 215         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 216                 return 4;
 217
 218         case PIPE_CAP_MAX_VARYINGS:
 219                 return 16;
 220
 221         default:
 222                 return u_pipe_screen_get_param_defaults(screen, param);
 223         }
 224 }
 225
 226 static int
 227 panfrost_get_shader_param(struct pipe_screen *screen,
 228                           enum pipe_shader_type shader,
 229                           enum pipe_shader_cap param)
 230 {
 231         if (shader != PIPE_SHADER_VERTEX &&
 232                         shader != PIPE_SHADER_FRAGMENT) {
 233                 return 0;
 234         }
 235
 236         /* this is probably not totally correct.. but it's a start: */
 237         switch (param) {
 238         case PIPE_SHADER_CAP_SCALAR_ISA:
 239                 return 0;
 240
 241         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 242                 return 0;
 243         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 244         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 245         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 246                 return 16384;
 247
 248         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 249                 return 1024;
 250
 251         case PIPE_SHADER_CAP_MAX_INPUTS:
 252                 return 16;
 253
 254         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 255                 return shader == PIPE_SHADER_FRAGMENT ? 1 : 8;
 256
 257         case PIPE_SHADER_CAP_MAX_TEMPS:
 258                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 259
 260         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 261                 return 16 * 1024 * sizeof(float);
 262
 263         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 264                 return 16;
 265
 266         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 267                 return 0;
 268
 269         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 270                 return 1;
 271         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 272                 return 0;
 273
 274         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 275                 return 0;
 276
 277         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 278                 return 1;
 279
 280         case PIPE_SHADER_CAP_SUBROUTINES:
 281                 return 0;
 282
 283         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 284                 return 0;
 285
 286         case PIPE_SHADER_CAP_INTEGERS:
 287                 return 1;
 288
 289         case PIPE_SHADER_CAP_INT64_ATOMICS:
 290         case PIPE_SHADER_CAP_FP16:
 291         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 292         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 293         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 294         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 295         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 296                 return 0;
 297
 298         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 299         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 300                 return 16; /* XXX: How many? */
 301
 302         case PIPE_SHADER_CAP_PREFERRED_IR:
 303                 return PIPE_SHADER_IR_NIR;
 304
 305         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 306                 return 0;
 307
 308         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 309                 return 32;
 310
 311         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 312         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 313         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 314         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 315         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 316         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 317                 return 0;
 318
 319         default:
 320                 fprintf(stderr, "unknown shader param %d\n", param);
 321                 return 0;
 322         }
 323
 324         return 0;
 325 }
 326
 327 static float
 328 panfrost_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
 329 {
 330         switch (param) {
 331         case PIPE_CAPF_MAX_LINE_WIDTH:
 332
 333         /* fall-through */
 334         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 335                 return 255.0; /* arbitrary */
 336
 337         case PIPE_CAPF_MAX_POINT_WIDTH:
 338
 339         /* fall-through */
 340         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 341                 return 255.0; /* arbitrary */
 342
 343         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 344                 return 16.0;
 345
 346         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 347                 return 16.0; /* arbitrary */
 348
 349         case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
 350         case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
 351         case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
 352                 return 0.0f;
 353
 354         default:
 355                 debug_printf("Unexpected PIPE_CAPF %d query\n", param);
 356                 return 0.0;
 357         }
 358 }
 359
 360 /**
 361  * Query format support for creating a texture, drawing surface, etc.
 362  * \param format  the format to test
 363  * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
 364  */
 365 static boolean
 366 panfrost_is_format_supported( struct pipe_screen *screen,
 367                               enum pipe_format format,
 368                               enum pipe_texture_target target,
 369                               unsigned sample_count,
 370                               unsigned storage_sample_count,
 371                               unsigned bind)
 372 {
 373         const struct util_format_description *format_desc;
 374
 375         assert(target == PIPE_BUFFER ||
 376                target == PIPE_TEXTURE_1D ||
 377                target == PIPE_TEXTURE_1D_ARRAY ||
 378                target == PIPE_TEXTURE_2D ||
 379                target == PIPE_TEXTURE_2D_ARRAY ||
 380                target == PIPE_TEXTURE_RECT ||
 381                target == PIPE_TEXTURE_3D ||
 382                target == PIPE_TEXTURE_CUBE ||
 383                target == PIPE_TEXTURE_CUBE_ARRAY);
 384
 385         format_desc = util_format_description(format);
 386
 387         if (!format_desc)
 388                 return FALSE;
 389
 390         if (sample_count > 1)
 391                 return FALSE;
 392
 393         /* Format wishlist */
 394         if (format == PIPE_FORMAT_Z24X8_UNORM || format == PIPE_FORMAT_X8Z24_UNORM)
 395                 return FALSE;
 396
 397         if (format == PIPE_FORMAT_A1B5G5R5_UNORM || format == PIPE_FORMAT_X1B5G5R5_UNORM)
 398                 return FALSE;
 399
 400         /* TODO */
 401         if (format == PIPE_FORMAT_B5G5R5A1_UNORM)
 402                 return FALSE;
 403
 404         /* Don't confuse poorly written apps (workaround dEQP bug) that expect
 405          * more alpha than they ask for */
 406         bool scanout = bind & (PIPE_BIND_SCANOUT | PIPE_BIND_SHARED | PIPE_BIND_DISPLAY_TARGET);
 407         if (scanout && !util_format_is_rgba8_variant(format_desc))
 408                 return FALSE;
 409
 410         if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN &&
 411                         format_desc->layout != UTIL_FORMAT_LAYOUT_OTHER) {
 412                 /* Compressed formats not yet hooked up. */
 413                 return FALSE;
 414         }
 415
 416         return TRUE;
 417 }
 418
 419
 420 static void
 421 panfrost_destroy_screen(struct pipe_screen *pscreen)
 422 {
 423         struct panfrost_screen *screen = pan_screen(pscreen);
 424         panfrost_resource_screen_deinit(screen);
 425         ralloc_free(screen);
 426 }
 427
 428 static void
 429 panfrost_flush_frontbuffer(struct pipe_screen *_screen,
 430                            struct pipe_resource *resource,
 431                            unsigned level, unsigned layer,
 432                            void *context_private,
 433                            struct pipe_box *sub_box)
 434 {
 435         /* TODO: Display target integration */
 436 }
 437
 438 static uint64_t
 439 panfrost_get_timestamp(struct pipe_screen *_screen)
 440 {
 441         return os_time_get_nano();
 442 }
 443
 444 static void
 445 panfrost_fence_reference(struct pipe_screen *pscreen,
 446                          struct pipe_fence_handle **ptr,
 447                          struct pipe_fence_handle *fence)
 448 {
 449         panfrost_drm_fence_reference(pscreen, ptr, fence);
 450 }
 451
 452 static boolean
 453 panfrost_fence_finish(struct pipe_screen *pscreen,
 454                       struct pipe_context *ctx,
 455                       struct pipe_fence_handle *fence,
 456                       uint64_t timeout)
 457 {
 458         return panfrost_drm_fence_finish(pscreen, ctx, fence, timeout);
 459 }
 460
 461 static const void *
 462 panfrost_screen_get_compiler_options(struct pipe_screen *pscreen,
 463                                      enum pipe_shader_ir ir,
 464                                      enum pipe_shader_type shader)
 465 {
 466         return &midgard_nir_options;
 467 }
 468
 469 struct pipe_screen *
 470 panfrost_create_screen(int fd, struct renderonly *ro)
 471 {
 472         struct panfrost_screen *screen = rzalloc(NULL, struct panfrost_screen);
 473
 474         pan_debug = debug_get_option_pan_debug();
 475
 476         if (!screen)
 477                 return NULL;
 478
 479         if (ro) {
 480                 screen->ro = renderonly_dup(ro);
 481                 if (!screen->ro) {
 482                         fprintf(stderr, "Failed to dup renderonly object\n");
 483                         free(screen);
 484                         return NULL;
 485                 }
 486         }
 487
 488         screen->fd = fd;
 489
 490         if (pan_debug & PAN_DBG_TRACE)
 491                 pandecode_initialize();
 492
 493         screen->base.destroy = panfrost_destroy_screen;
 494
 495         screen->base.get_name = panfrost_get_name;
 496         screen->base.get_vendor = panfrost_get_vendor;
 497         screen->base.get_device_vendor = panfrost_get_device_vendor;
 498         screen->base.get_param = panfrost_get_param;
 499         screen->base.get_shader_param = panfrost_get_shader_param;
 500         screen->base.get_paramf = panfrost_get_paramf;
 501         screen->base.get_timestamp = panfrost_get_timestamp;
 502         screen->base.is_format_supported = panfrost_is_format_supported;
 503         screen->base.context_create = panfrost_create_context;
 504         screen->base.flush_frontbuffer = panfrost_flush_frontbuffer;
 505         screen->base.get_compiler_options = panfrost_screen_get_compiler_options;
 506         screen->base.fence_reference = panfrost_fence_reference;
 507         screen->base.fence_finish = panfrost_fence_finish;
 508
 509         screen->last_fragment_flushed = true;
 510         screen->last_job = NULL;
 511
 512         panfrost_resource_screen_init(screen);
 513
 514         return &screen->base;
 515 }