src/gallium/drivers/vc4/vc4_screen.c

   1 /*
   2  * Copyright © 2014 Broadcom
   3  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22  * IN THE SOFTWARE.
  23  */
  24
  25 #include <stdio.h>
  26
  27 #include "os/os_misc.h"
  28 #include "pipe/p_defines.h"
  29 #include "pipe/p_screen.h"
  30 #include "pipe/p_state.h"
  31
  32 #include "util/u_debug.h"
  33 #include "util/u_memory.h"
  34 #include "util/u_format.h"
  35
  36 #include "vc4_screen.h"
  37 #include "vc4_context.h"
  38 #include "vc4_resource.h"
  39
  40 static const struct debug_named_value debug_options[] = {
  41         { "cl",       VC4_DEBUG_CL,
  42           "Dump command list during creation" },
  43         { "qpu",      VC4_DEBUG_QPU,
  44           "Dump generated QPU instructions" },
  45         { "qir",      VC4_DEBUG_QIR,
  46           "Dump QPU IR during program compile" },
  47         { "tgsi",     VC4_DEBUG_TGSI,
  48           "Dump TGSI during program compile" },
  49         { "shaderdb", VC4_DEBUG_SHADERDB,
  50           "Dump program compile information for shader-db analysis" },
  51         { "perf",     VC4_DEBUG_PERF,
  52           "Print during performance-related events" },
  53         { "norast",   VC4_DEBUG_NORAST,
  54           "Skip actual hardware execution of commands" },
  55 };
  56
  57 DEBUG_GET_ONCE_FLAGS_OPTION(vc4_debug, "VC4_DEBUG", debug_options, 0)
  58 uint32_t vc4_debug;
  59
  60 static const char *
  61 vc4_screen_get_name(struct pipe_screen *pscreen)
  62 {
  63         return "VC4";
  64 }
  65
  66 static const char *
  67 vc4_screen_get_vendor(struct pipe_screen *pscreen)
  68 {
  69         return "Broadcom";
  70 }
  71
  72 static void
  73 vc4_screen_destroy(struct pipe_screen *pscreen)
  74 {
  75         free(pscreen);
  76 }
  77
  78 static int
  79 vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
  80 {
  81         switch (param) {
  82                 /* Supported features (boolean caps). */
  83         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
  84         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
  85         case PIPE_CAP_NPOT_TEXTURES:
  86         case PIPE_CAP_USER_CONSTANT_BUFFERS:
  87         case PIPE_CAP_TEXTURE_SHADOW_MAP:
  88         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
  89         case PIPE_CAP_TWO_SIDED_STENCIL:
  90                 return 1;
  91
  92                 /* lying for GL 2.0 */
  93         case PIPE_CAP_OCCLUSION_QUERY:
  94         case PIPE_CAP_POINT_SPRITE:
  95                 return 1;
  96
  97         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
  98                 return 256;
  99
 100         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 101                 return 120;
 102
 103         case PIPE_CAP_MAX_VIEWPORTS:
 104                 return 1;
 105
 106         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 107         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 108                 return 1;
 109
 110                 /* Unsupported features. */
 111         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 112         case PIPE_CAP_ANISOTROPIC_FILTER:
 113         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 114         case PIPE_CAP_CUBE_MAP_ARRAY:
 115         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 116         case PIPE_CAP_TEXTURE_SWIZZLE:
 117         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 118         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 119         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 120         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 121         case PIPE_CAP_TGSI_INSTANCEID:
 122         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 123         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 124         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 125         case PIPE_CAP_COMPUTE:
 126         case PIPE_CAP_START_INSTANCE:
 127         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 128         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 129         case PIPE_CAP_TGSI_TEXCOORD:
 130         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 131         case PIPE_CAP_CONDITIONAL_RENDER:
 132         case PIPE_CAP_PRIMITIVE_RESTART:
 133         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 134         case PIPE_CAP_TEXTURE_BARRIER:
 135         case PIPE_CAP_SM3:
 136         case PIPE_CAP_INDEP_BLEND_ENABLE:
 137         case PIPE_CAP_INDEP_BLEND_FUNC:
 138         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 139         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 140         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 141         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 142         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 143         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 144         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 145         case PIPE_CAP_USER_VERTEX_BUFFERS:
 146         case PIPE_CAP_USER_INDEX_BUFFERS:
 147         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 148         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 149         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 150         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 151         case PIPE_CAP_TEXTURE_GATHER_SM5:
 152         case PIPE_CAP_FAKE_SW_MSAA:
 153         case PIPE_CAP_TEXTURE_QUERY_LOD:
 154         case PIPE_CAP_SAMPLE_SHADING:
 155         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 156         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 157         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 158         case PIPE_CAP_MAX_TEXEL_OFFSET:
 159         case PIPE_CAP_MAX_VERTEX_STREAMS:
 160         case PIPE_CAP_DRAW_INDIRECT:
 161         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 162                 return 0;
 163
 164                 /* Stream output. */
 165         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 166         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 167         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 168         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 169                 return 0;
 170
 171                 /* Geometry shader output, unsupported. */
 172         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 173         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 174                 return 0;
 175
 176                 /* Texturing. */
 177         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 178         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 179                 return VC4_MAX_MIP_LEVELS;
 180         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 181                 /* Note: Not supported in hardware, just faking it. */
 182                 return 5;
 183         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 184                 return 0;
 185
 186                 /* Render targets. */
 187         case PIPE_CAP_MAX_RENDER_TARGETS:
 188                 return 1;
 189
 190                 /* Queries. */
 191         case PIPE_CAP_QUERY_TIME_ELAPSED:
 192         case PIPE_CAP_QUERY_TIMESTAMP:
 193                 return 0;
 194
 195         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 196         case PIPE_CAP_MIN_TEXEL_OFFSET:
 197                 return 0;
 198
 199         case PIPE_CAP_ENDIANNESS:
 200                 return PIPE_ENDIAN_LITTLE;
 201
 202         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 203                 return 64;
 204
 205         case PIPE_CAP_VENDOR_ID:
 206                 return 0x14E4;
 207         case PIPE_CAP_DEVICE_ID:
 208                 return 0xFFFFFFFF;
 209         case PIPE_CAP_ACCELERATED:
 210                 return 1;
 211         case PIPE_CAP_VIDEO_MEMORY: {
 212                 uint64_t system_memory;
 213
 214                 if (!os_get_total_physical_memory(&system_memory))
 215                         return 0;
 216
 217                 return (int)(system_memory >> 20);
 218         }
 219         case PIPE_CAP_UMA:
 220                 return 1;
 221
 222         default:
 223                 fprintf(stderr, "unknown param %d\n", param);
 224                 return 0;
 225         }
 226 }
 227
 228 static float
 229 vc4_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 230 {
 231         switch (param) {
 232         case PIPE_CAPF_MAX_LINE_WIDTH:
 233         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 234         case PIPE_CAPF_MAX_POINT_WIDTH:
 235         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 236                 return 8192.0f;
 237         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 238                 return 0.0f;
 239         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 240                 return 0.0f;
 241         case PIPE_CAPF_GUARD_BAND_LEFT:
 242         case PIPE_CAPF_GUARD_BAND_TOP:
 243         case PIPE_CAPF_GUARD_BAND_RIGHT:
 244         case PIPE_CAPF_GUARD_BAND_BOTTOM:
 245                 return 0.0f;
 246         default:
 247                 fprintf(stderr, "unknown paramf %d\n", param);
 248                 return 0;
 249         }
 250 }
 251
 252 static int
 253 vc4_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 254                            enum pipe_shader_cap param)
 255 {
 256         if (shader != PIPE_SHADER_VERTEX &&
 257             shader != PIPE_SHADER_FRAGMENT) {
 258                 return 0;
 259         }
 260
 261         /* this is probably not totally correct.. but it's a start: */
 262         switch (param) {
 263         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 264         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 265         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 266         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 267                 return 16384;
 268         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 269                 return 0;
 270         case PIPE_SHADER_CAP_MAX_INPUTS:
 271                 return 16;
 272         case PIPE_SHADER_CAP_MAX_TEMPS:
 273                 return 64; /* Max native temporaries. */
 274         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 275                 return 64 * sizeof(float[4]);
 276         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 277                 return 1;
 278         case PIPE_SHADER_CAP_MAX_PREDS:
 279                 return 0; /* nothing uses this */
 280         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 281                 return 0;
 282         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 283         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 284         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 285         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 286                 return 0;
 287         case PIPE_SHADER_CAP_SUBROUTINES:
 288                 return 0;
 289         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 290                 return 0;
 291         case PIPE_SHADER_CAP_INTEGERS:
 292         case PIPE_SHADER_CAP_DOUBLES:
 293                 return 0;
 294         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 295         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 296                 return 16;
 297         case PIPE_SHADER_CAP_PREFERRED_IR:
 298                 return PIPE_SHADER_IR_TGSI;
 299         default:
 300                 fprintf(stderr, "unknown shader param %d\n", param);
 301                 return 0;
 302         }
 303         return 0;
 304 }
 305
 306 uint8_t
 307 vc4_get_texture_format(enum pipe_format format)
 308 {
 309         switch (format) {
 310         case PIPE_FORMAT_B8G8R8A8_UNORM:
 311                 return 0;
 312         case PIPE_FORMAT_B8G8R8X8_UNORM:
 313                 return 1;
 314         case PIPE_FORMAT_R8G8B8A8_UNORM:
 315                 return 0;
 316         case PIPE_FORMAT_R8G8B8X8_UNORM:
 317                 return 1;
 318         case PIPE_FORMAT_A8R8G8B8_UNORM:
 319                 return 0;
 320         case PIPE_FORMAT_X8R8G8B8_UNORM:
 321                 return 1;
 322         case PIPE_FORMAT_A8B8G8R8_UNORM:
 323                 return 0;
 324         case PIPE_FORMAT_X8B8G8R8_UNORM:
 325                 return 1;
 326 /*
 327         case PIPE_FORMAT_R4G4B4A4_UNORM:
 328                 return 2;
 329         case PIPE_FORMAT_R5G5B5A1_UNORM:
 330                 return 3;
 331         case PIPE_FORMAT_R5G6B5_UNORM:
 332                 return 4;
 333 */
 334         case PIPE_FORMAT_L8_UNORM:
 335                 return 5;
 336         case PIPE_FORMAT_A8_UNORM:
 337                 return 6;
 338         case PIPE_FORMAT_L8A8_UNORM:
 339                 return 7;
 340                 /* XXX: ETC1 and more*/
 341         default:
 342                 return ~0;
 343         }
 344 }
 345
 346 static boolean
 347 vc4_screen_is_format_supported(struct pipe_screen *pscreen,
 348                                enum pipe_format format,
 349                                enum pipe_texture_target target,
 350                                unsigned sample_count,
 351                                unsigned usage)
 352 {
 353         unsigned retval = 0;
 354
 355         if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
 356             (sample_count > 1) ||
 357             !util_format_is_supported(format, usage)) {
 358                 return FALSE;
 359         }
 360
 361         if (usage & PIPE_BIND_VERTEX_BUFFER &&
 362             (format == PIPE_FORMAT_R32G32B32A32_FLOAT ||
 363              format == PIPE_FORMAT_R32G32B32_FLOAT ||
 364              format == PIPE_FORMAT_R32G32_FLOAT ||
 365              format == PIPE_FORMAT_R32_FLOAT)) {
 366                 retval |= PIPE_BIND_VERTEX_BUFFER;
 367         }
 368
 369         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 370             (format == PIPE_FORMAT_B8G8R8A8_UNORM ||
 371              format == PIPE_FORMAT_B8G8R8X8_UNORM || /* XXX: really? */
 372              format == PIPE_FORMAT_R8G8B8A8_UNORM ||
 373              format == PIPE_FORMAT_R8G8B8X8_UNORM || /* XXX: really? */
 374              format == PIPE_FORMAT_A8B8G8R8_UNORM ||
 375              format == PIPE_FORMAT_X8B8G8R8_UNORM || /* XXX: really? */
 376              format == PIPE_FORMAT_A8R8G8B8_UNORM ||
 377              format == PIPE_FORMAT_X8R8G8B8_UNORM || /* XXX: really? */
 378              format == PIPE_FORMAT_R16G16B16A16_FLOAT)) {
 379                 retval |= PIPE_BIND_RENDER_TARGET;
 380         }
 381
 382         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 383             (vc4_get_texture_format(format) != ~0)) {
 384                 retval |= PIPE_BIND_SAMPLER_VIEW;
 385         }
 386
 387         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 388             (format == PIPE_FORMAT_Z24_UNORM_S8_UINT ||
 389              format == PIPE_FORMAT_Z24X8_UNORM)) {
 390                 retval |= PIPE_BIND_DEPTH_STENCIL;
 391         }
 392
 393         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 394             (format == PIPE_FORMAT_I8_UINT ||
 395              format == PIPE_FORMAT_I16_UINT)) {
 396                 retval |= PIPE_BIND_INDEX_BUFFER;
 397         }
 398
 399         if (usage & PIPE_BIND_TRANSFER_READ)
 400                 retval |= PIPE_BIND_TRANSFER_READ;
 401         if (usage & PIPE_BIND_TRANSFER_WRITE)
 402                 retval |= PIPE_BIND_TRANSFER_WRITE;
 403
 404 #if 0
 405         if (retval != usage) {
 406                 fprintf(stderr,
 407                         "not supported: format=%s, target=%d, sample_count=%d, "
 408                         "usage=0x%x, retval=0x%x\n", util_format_name(format),
 409                         target, sample_count, usage, retval);
 410         }
 411 #endif
 412
 413         return retval == usage;
 414 }
 415
 416 struct pipe_screen *
 417 vc4_screen_create(int fd)
 418 {
 419         struct vc4_screen *screen = CALLOC_STRUCT(vc4_screen);
 420         struct pipe_screen *pscreen;
 421
 422         pscreen = &screen->base;
 423
 424         pscreen->destroy = vc4_screen_destroy;
 425         pscreen->get_param = vc4_screen_get_param;
 426         pscreen->get_paramf = vc4_screen_get_paramf;
 427         pscreen->get_shader_param = vc4_screen_get_shader_param;
 428         pscreen->context_create = vc4_context_create;
 429         pscreen->is_format_supported = vc4_screen_is_format_supported;
 430
 431         screen->fd = fd;
 432
 433         vc4_debug = debug_get_option_vc4_debug();
 434         if (vc4_debug & VC4_DEBUG_SHADERDB)
 435                 vc4_debug |= VC4_DEBUG_NORAST;
 436
 437 #if USE_VC4_SIMULATOR
 438         vc4_simulator_init(screen);
 439 #endif
 440
 441         vc4_resource_screen_init(pscreen);
 442
 443         pscreen->get_name = vc4_screen_get_name;
 444         pscreen->get_vendor = vc4_screen_get_vendor;
 445
 446         return pscreen;
 447 }
 448
 449 boolean
 450 vc4_screen_bo_get_handle(struct pipe_screen *pscreen,
 451                          struct vc4_bo *bo,
 452                          unsigned stride,
 453                          struct winsys_handle *whandle)
 454 {
 455         whandle->stride = stride;
 456
 457         switch (whandle->type) {
 458         case DRM_API_HANDLE_TYPE_SHARED:
 459                 return vc4_bo_flink(bo, &whandle->handle);
 460         case DRM_API_HANDLE_TYPE_KMS:
 461                 whandle->handle = bo->handle;
 462                 return TRUE;
 463         }
 464
 465         return FALSE;
 466 }
 467
 468 struct vc4_bo *
 469 vc4_screen_bo_from_handle(struct pipe_screen *pscreen,
 470                           struct winsys_handle *whandle,
 471                           unsigned *out_stride)
 472 {
 473         struct vc4_screen *screen = vc4_screen(pscreen);
 474         struct vc4_bo *bo;
 475
 476         if (whandle->type != DRM_API_HANDLE_TYPE_SHARED) {
 477                 fprintf(stderr,
 478                         "Attempt to import unsupported handle type %d\n",
 479                         whandle->type);
 480                 return NULL;
 481         }
 482
 483         bo = vc4_bo_open_name(screen, whandle->handle, whandle->stride);
 484         if (!bo) {
 485                 fprintf(stderr, "Open name %d failed\n", whandle->handle);
 486                 return NULL;
 487         }
 488
 489         *out_stride = whandle->stride;
 490
 491         return bo;
 492 }