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 "os/os_misc.h"
  26 #include "pipe/p_defines.h"
  27 #include "pipe/p_screen.h"
  28 #include "pipe/p_state.h"
  29
  30 #include "util/u_debug.h"
  31 #include "util/u_memory.h"
  32 #include "util/u_format.h"
  33 #include "util/u_hash_table.h"
  34 #include "util/ralloc.h"
  35
  36 #include <xf86drm.h>
  37 #include "vc4_drm.h"
  38 #include "vc4_screen.h"
  39 #include "vc4_context.h"
  40 #include "vc4_resource.h"
  41
  42 static const struct debug_named_value debug_options[] = {
  43         { "cl",       VC4_DEBUG_CL,
  44           "Dump command list during creation" },
  45         { "qpu",      VC4_DEBUG_QPU,
  46           "Dump generated QPU instructions" },
  47         { "qir",      VC4_DEBUG_QIR,
  48           "Dump QPU IR during program compile" },
  49         { "nir",      VC4_DEBUG_NIR,
  50           "Dump NIR during program compile" },
  51         { "tgsi",     VC4_DEBUG_TGSI,
  52           "Dump TGSI during program compile" },
  53         { "shaderdb", VC4_DEBUG_SHADERDB,
  54           "Dump program compile information for shader-db analysis" },
  55         { "perf",     VC4_DEBUG_PERF,
  56           "Print during performance-related events" },
  57         { "norast",   VC4_DEBUG_NORAST,
  58           "Skip actual hardware execution of commands" },
  59         { "always_flush", VC4_DEBUG_ALWAYS_FLUSH,
  60           "Flush after each draw call" },
  61         { "always_sync", VC4_DEBUG_ALWAYS_SYNC,
  62           "Wait for finish after each flush" },
  63 #if USE_VC4_SIMULATOR
  64         { "dump", VC4_DEBUG_DUMP,
  65           "Write a GPU command stream trace file" },
  66 #endif
  67         { NULL }
  68 };
  69
  70 DEBUG_GET_ONCE_FLAGS_OPTION(vc4_debug, "VC4_DEBUG", debug_options, 0)
  71 uint32_t vc4_debug;
  72
  73 static const char *
  74 vc4_screen_get_name(struct pipe_screen *pscreen)
  75 {
  76         struct vc4_screen *screen = vc4_screen(pscreen);
  77
  78         if (!screen->name) {
  79                 screen->name = ralloc_asprintf(screen,
  80                                                "VC4 V3D %d.%d",
  81                                                screen->v3d_ver / 10,
  82                                                screen->v3d_ver % 10);
  83         }
  84
  85         return screen->name;
  86 }
  87
  88 static const char *
  89 vc4_screen_get_vendor(struct pipe_screen *pscreen)
  90 {
  91         return "Broadcom";
  92 }
  93
  94 static void
  95 vc4_screen_destroy(struct pipe_screen *pscreen)
  96 {
  97         struct vc4_screen *screen = vc4_screen(pscreen);
  98
  99         util_hash_table_destroy(screen->bo_handles);
 100         vc4_bufmgr_destroy(pscreen);
 101         slab_destroy_parent(&screen->transfer_pool);
 102
 103 #if USE_VC4_SIMULATOR
 104         vc4_simulator_destroy(screen);
 105 #endif
 106
 107         close(screen->fd);
 108         ralloc_free(pscreen);
 109 }
 110
 111 static int
 112 vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 113 {
 114         switch (param) {
 115                 /* Supported features (boolean caps). */
 116         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 117         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 118         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 119         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
 120         case PIPE_CAP_NPOT_TEXTURES:
 121         case PIPE_CAP_SHAREABLE_SHADERS:
 122         case PIPE_CAP_USER_CONSTANT_BUFFERS:
 123         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 124         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 125         case PIPE_CAP_TWO_SIDED_STENCIL:
 126         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 127         case PIPE_CAP_TEXTURE_SWIZZLE:
 128         case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 129                 return 1;
 130
 131                 /* lying for GL 2.0 */
 132         case PIPE_CAP_OCCLUSION_QUERY:
 133         case PIPE_CAP_POINT_SPRITE:
 134                 return 1;
 135
 136         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 137                 return 256;
 138
 139         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 140                 return 120;
 141
 142         case PIPE_CAP_MAX_VIEWPORTS:
 143                 return 1;
 144
 145         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 146         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 147                 return 1;
 148
 149         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 150         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 151                 return 1;
 152
 153                 /* Unsupported features. */
 154         case PIPE_CAP_ANISOTROPIC_FILTER:
 155         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 156         case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
 157         case PIPE_CAP_CUBE_MAP_ARRAY:
 158         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 159         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 160         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 161         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 162         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 163         case PIPE_CAP_TGSI_INSTANCEID:
 164         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 165         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 166         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 167         case PIPE_CAP_COMPUTE:
 168         case PIPE_CAP_START_INSTANCE:
 169         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 170         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 171         case PIPE_CAP_TGSI_TEXCOORD:
 172         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 173         case PIPE_CAP_CONDITIONAL_RENDER:
 174         case PIPE_CAP_PRIMITIVE_RESTART:
 175         case PIPE_CAP_TEXTURE_BARRIER:
 176         case PIPE_CAP_SM3:
 177         case PIPE_CAP_INDEP_BLEND_ENABLE:
 178         case PIPE_CAP_INDEP_BLEND_FUNC:
 179         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 180         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 181         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 182         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 183         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 184         case PIPE_CAP_USER_VERTEX_BUFFERS:
 185         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 186         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 187         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 188         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 189         case PIPE_CAP_TEXTURE_GATHER_SM5:
 190         case PIPE_CAP_FAKE_SW_MSAA:
 191         case PIPE_CAP_TEXTURE_QUERY_LOD:
 192         case PIPE_CAP_SAMPLE_SHADING:
 193         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 194         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 195         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 196         case PIPE_CAP_MAX_TEXEL_OFFSET:
 197         case PIPE_CAP_MAX_VERTEX_STREAMS:
 198         case PIPE_CAP_DRAW_INDIRECT:
 199         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 200         case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
 201         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 202         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 203         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 204         case PIPE_CAP_CLIP_HALFZ:
 205         case PIPE_CAP_VERTEXID_NOBASE:
 206         case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 207         case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 208         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 209         case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 210         case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 211         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 212         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 213         case PIPE_CAP_DEPTH_BOUNDS_TEST:
 214         case PIPE_CAP_TGSI_TXQS:
 215         case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
 216         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 217         case PIPE_CAP_CLEAR_TEXTURE:
 218         case PIPE_CAP_DRAW_PARAMETERS:
 219         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 220         case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 221         case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 222         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 223         case PIPE_CAP_INVALIDATE_BUFFER:
 224         case PIPE_CAP_GENERATE_MIPMAP:
 225         case PIPE_CAP_STRING_MARKER:
 226         case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 227         case PIPE_CAP_QUERY_BUFFER_OBJECT:
 228         case PIPE_CAP_QUERY_MEMORY_INFO:
 229         case PIPE_CAP_PCI_GROUP:
 230         case PIPE_CAP_PCI_BUS:
 231         case PIPE_CAP_PCI_DEVICE:
 232         case PIPE_CAP_PCI_FUNCTION:
 233         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 234         case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 235         case PIPE_CAP_CULL_DISTANCE:
 236         case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 237         case PIPE_CAP_TGSI_VOTE:
 238         case PIPE_CAP_MAX_WINDOW_RECTANGLES:
 239         case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
 240         case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 241         case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 242         case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
 243         case PIPE_CAP_NATIVE_FENCE_FD:
 244         case PIPE_CAP_TGSI_FS_FBFETCH:
 245         case PIPE_CAP_TGSI_MUL_ZERO_WINS:
 246         case PIPE_CAP_DOUBLES:
 247         case PIPE_CAP_INT64:
 248         case PIPE_CAP_INT64_DIVMOD:
 249         case PIPE_CAP_TGSI_TEX_TXF_LZ:
 250         case PIPE_CAP_TGSI_CLOCK:
 251         case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
 252         case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
 253                 return 0;
 254
 255                 /* Stream output. */
 256         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 257         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 258         case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
 259         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 260         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 261                 return 0;
 262
 263                 /* Geometry shader output, unsupported. */
 264         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
 265         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
 266                 return 0;
 267
 268                 /* Texturing. */
 269         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 270         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 271                 return VC4_MAX_MIP_LEVELS;
 272         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 273                 /* Note: Not supported in hardware, just faking it. */
 274                 return 5;
 275         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 276                 return 0;
 277
 278                 /* Render targets. */
 279         case PIPE_CAP_MAX_RENDER_TARGETS:
 280                 return 1;
 281
 282                 /* Queries. */
 283         case PIPE_CAP_QUERY_TIME_ELAPSED:
 284         case PIPE_CAP_QUERY_TIMESTAMP:
 285                 return 0;
 286
 287         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 288         case PIPE_CAP_MIN_TEXEL_OFFSET:
 289                 return 0;
 290
 291         case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 292                 return 2048;
 293
 294         case PIPE_CAP_ENDIANNESS:
 295                 return PIPE_ENDIAN_LITTLE;
 296
 297         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 298                 return 64;
 299
 300         case PIPE_CAP_VENDOR_ID:
 301                 return 0x14E4;
 302         case PIPE_CAP_DEVICE_ID:
 303                 return 0xFFFFFFFF;
 304         case PIPE_CAP_ACCELERATED:
 305                 return 1;
 306         case PIPE_CAP_VIDEO_MEMORY: {
 307                 uint64_t system_memory;
 308
 309                 if (!os_get_total_physical_memory(&system_memory))
 310                         return 0;
 311
 312                 return (int)(system_memory >> 20);
 313         }
 314         case PIPE_CAP_UMA:
 315                 return 1;
 316
 317         default:
 318                 fprintf(stderr, "unknown param %d\n", param);
 319                 return 0;
 320         }
 321 }
 322
 323 static float
 324 vc4_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 325 {
 326         switch (param) {
 327         case PIPE_CAPF_MAX_LINE_WIDTH:
 328         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 329                 return 32;
 330
 331         case PIPE_CAPF_MAX_POINT_WIDTH:
 332         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 333                 return 512.0f;
 334
 335         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 336                 return 0.0f;
 337         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 338                 return 0.0f;
 339         case PIPE_CAPF_GUARD_BAND_LEFT:
 340         case PIPE_CAPF_GUARD_BAND_TOP:
 341         case PIPE_CAPF_GUARD_BAND_RIGHT:
 342         case PIPE_CAPF_GUARD_BAND_BOTTOM:
 343                 return 0.0f;
 344         default:
 345                 fprintf(stderr, "unknown paramf %d\n", param);
 346                 return 0;
 347         }
 348 }
 349
 350 static int
 351 vc4_screen_get_shader_param(struct pipe_screen *pscreen,
 352                             enum pipe_shader_type shader,
 353                             enum pipe_shader_cap param)
 354 {
 355         if (shader != PIPE_SHADER_VERTEX &&
 356             shader != PIPE_SHADER_FRAGMENT) {
 357                 return 0;
 358         }
 359
 360         /* this is probably not totally correct.. but it's a start: */
 361         switch (param) {
 362         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 363         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 364         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 365         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 366                 return 16384;
 367
 368         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 369                 return vc4_screen(pscreen)->has_control_flow;
 370
 371         case PIPE_SHADER_CAP_MAX_INPUTS:
 372                 return 8;
 373         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 374                 return shader == PIPE_SHADER_FRAGMENT ? 1 : 8;
 375         case PIPE_SHADER_CAP_MAX_TEMPS:
 376                 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
 377         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
 378                 return 16 * 1024 * sizeof(float);
 379         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 380                 return 1;
 381         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 382                 return 0;
 383         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 384         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 385         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 386                 return 0;
 387         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 388                 return 1;
 389         case PIPE_SHADER_CAP_SUBROUTINES:
 390                 return 0;
 391         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 392                 return 0;
 393         case PIPE_SHADER_CAP_INTEGERS:
 394                 return 1;
 395         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 396         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 397         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 398         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 399                 return 0;
 400         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 401         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 402                 return VC4_MAX_TEXTURE_SAMPLERS;
 403         case PIPE_SHADER_CAP_PREFERRED_IR:
 404                 return PIPE_SHADER_IR_NIR;
 405         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 406                 return 0;
 407         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 408                 return 32;
 409         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 410         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 411         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 412                 return 0;
 413         default:
 414                 fprintf(stderr, "unknown shader param %d\n", param);
 415                 return 0;
 416         }
 417         return 0;
 418 }
 419
 420 static boolean
 421 vc4_screen_is_format_supported(struct pipe_screen *pscreen,
 422                                enum pipe_format format,
 423                                enum pipe_texture_target target,
 424                                unsigned sample_count,
 425                                unsigned usage)
 426 {
 427         struct vc4_screen *screen = vc4_screen(pscreen);
 428         unsigned retval = 0;
 429
 430         if (sample_count > 1 && sample_count != VC4_MAX_SAMPLES)
 431                 return FALSE;
 432
 433         if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
 434             !util_format_is_supported(format, usage)) {
 435                 return FALSE;
 436         }
 437
 438         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 439                 switch (format) {
 440                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 441                 case PIPE_FORMAT_R32G32B32_FLOAT:
 442                 case PIPE_FORMAT_R32G32_FLOAT:
 443                 case PIPE_FORMAT_R32_FLOAT:
 444                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 445                 case PIPE_FORMAT_R32G32B32_SNORM:
 446                 case PIPE_FORMAT_R32G32_SNORM:
 447                 case PIPE_FORMAT_R32_SNORM:
 448                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 449                 case PIPE_FORMAT_R32G32B32_SSCALED:
 450                 case PIPE_FORMAT_R32G32_SSCALED:
 451                 case PIPE_FORMAT_R32_SSCALED:
 452                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 453                 case PIPE_FORMAT_R16G16B16_UNORM:
 454                 case PIPE_FORMAT_R16G16_UNORM:
 455                 case PIPE_FORMAT_R16_UNORM:
 456                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 457                 case PIPE_FORMAT_R16G16B16_SNORM:
 458                 case PIPE_FORMAT_R16G16_SNORM:
 459                 case PIPE_FORMAT_R16_SNORM:
 460                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 461                 case PIPE_FORMAT_R16G16B16_USCALED:
 462                 case PIPE_FORMAT_R16G16_USCALED:
 463                 case PIPE_FORMAT_R16_USCALED:
 464                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 465                 case PIPE_FORMAT_R16G16B16_SSCALED:
 466                 case PIPE_FORMAT_R16G16_SSCALED:
 467                 case PIPE_FORMAT_R16_SSCALED:
 468                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 469                 case PIPE_FORMAT_R8G8B8_UNORM:
 470                 case PIPE_FORMAT_R8G8_UNORM:
 471                 case PIPE_FORMAT_R8_UNORM:
 472                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 473                 case PIPE_FORMAT_R8G8B8_SNORM:
 474                 case PIPE_FORMAT_R8G8_SNORM:
 475                 case PIPE_FORMAT_R8_SNORM:
 476                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 477                 case PIPE_FORMAT_R8G8B8_USCALED:
 478                 case PIPE_FORMAT_R8G8_USCALED:
 479                 case PIPE_FORMAT_R8_USCALED:
 480                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 481                 case PIPE_FORMAT_R8G8B8_SSCALED:
 482                 case PIPE_FORMAT_R8G8_SSCALED:
 483                 case PIPE_FORMAT_R8_SSCALED:
 484                         retval |= PIPE_BIND_VERTEX_BUFFER;
 485                         break;
 486                 default:
 487                         break;
 488                 }
 489         }
 490
 491         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 492             vc4_rt_format_supported(format)) {
 493                 retval |= PIPE_BIND_RENDER_TARGET;
 494         }
 495
 496         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 497             vc4_tex_format_supported(format) &&
 498             (format != PIPE_FORMAT_ETC1_RGB8 || screen->has_etc1)) {
 499                 retval |= PIPE_BIND_SAMPLER_VIEW;
 500         }
 501
 502         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 503             (format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 504              format == PIPE_FORMAT_X8Z24_UNORM)) {
 505                 retval |= PIPE_BIND_DEPTH_STENCIL;
 506         }
 507
 508         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 509             (format == PIPE_FORMAT_I8_UINT ||
 510              format == PIPE_FORMAT_I16_UINT)) {
 511                 retval |= PIPE_BIND_INDEX_BUFFER;
 512         }
 513
 514 #if 0
 515         if (retval != usage) {
 516                 fprintf(stderr,
 517                         "not supported: format=%s, target=%d, sample_count=%d, "
 518                         "usage=0x%x, retval=0x%x\n", util_format_name(format),
 519                         target, sample_count, usage, retval);
 520         }
 521 #endif
 522
 523         return retval == usage;
 524 }
 525
 526 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
 527
 528 static unsigned handle_hash(void *key)
 529 {
 530     return PTR_TO_UINT(key);
 531 }
 532
 533 static int handle_compare(void *key1, void *key2)
 534 {
 535     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 536 }
 537
 538 static bool
 539 vc4_has_feature(struct vc4_screen *screen, uint32_t feature)
 540 {
 541         struct drm_vc4_get_param p = {
 542                 .param = feature,
 543         };
 544         int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_PARAM, &p);
 545
 546         if (ret != 0)
 547                 return false;
 548
 549         return p.value;
 550 }
 551
 552 static bool
 553 vc4_get_chip_info(struct vc4_screen *screen)
 554 {
 555         struct drm_vc4_get_param ident0 = {
 556                 .param = DRM_VC4_PARAM_V3D_IDENT0,
 557         };
 558         struct drm_vc4_get_param ident1 = {
 559                 .param = DRM_VC4_PARAM_V3D_IDENT1,
 560         };
 561         int ret;
 562
 563         ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_PARAM, &ident0);
 564         if (ret != 0) {
 565                 if (errno == EINVAL) {
 566                         /* Backwards compatibility with 2835 kernels which
 567                          * only do V3D 2.1.
 568                          */
 569                         screen->v3d_ver = 21;
 570                         return true;
 571                 } else {
 572                         fprintf(stderr, "Couldn't get V3D IDENT0: %s\n",
 573                                 strerror(errno));
 574                         return false;
 575                 }
 576         }
 577         ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_PARAM, &ident1);
 578         if (ret != 0) {
 579                 fprintf(stderr, "Couldn't get V3D IDENT1: %s\n",
 580                         strerror(errno));
 581                 return false;
 582         }
 583
 584         uint32_t major = (ident0.value >> 24) & 0xff;
 585         uint32_t minor = (ident1.value >> 0) & 0xf;
 586         screen->v3d_ver = major * 10 + minor;
 587
 588         if (screen->v3d_ver != 21) {
 589                 fprintf(stderr,
 590                         "V3D %d.%d not supported by this version of Mesa.\n",
 591                         screen->v3d_ver / 10,
 592                         screen->v3d_ver % 10);
 593                 return false;
 594         }
 595
 596         return true;
 597 }
 598
 599 struct pipe_screen *
 600 vc4_screen_create(int fd)
 601 {
 602         struct vc4_screen *screen = rzalloc(NULL, struct vc4_screen);
 603         struct pipe_screen *pscreen;
 604
 605         pscreen = &screen->base;
 606
 607         pscreen->destroy = vc4_screen_destroy;
 608         pscreen->get_param = vc4_screen_get_param;
 609         pscreen->get_paramf = vc4_screen_get_paramf;
 610         pscreen->get_shader_param = vc4_screen_get_shader_param;
 611         pscreen->context_create = vc4_context_create;
 612         pscreen->is_format_supported = vc4_screen_is_format_supported;
 613
 614         screen->fd = fd;
 615         list_inithead(&screen->bo_cache.time_list);
 616         (void) mtx_init(&screen->bo_handles_mutex, mtx_plain);
 617         screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 618
 619         screen->has_control_flow =
 620                 vc4_has_feature(screen, DRM_VC4_PARAM_SUPPORTS_BRANCHES);
 621         screen->has_etc1 =
 622                 vc4_has_feature(screen, DRM_VC4_PARAM_SUPPORTS_ETC1);
 623         screen->has_threaded_fs =
 624                 vc4_has_feature(screen, DRM_VC4_PARAM_SUPPORTS_THREADED_FS);
 625
 626         if (!vc4_get_chip_info(screen))
 627                 goto fail;
 628
 629         slab_create_parent(&screen->transfer_pool, sizeof(struct vc4_transfer), 16);
 630
 631         vc4_fence_init(screen);
 632
 633         vc4_debug = debug_get_option_vc4_debug();
 634         if (vc4_debug & VC4_DEBUG_SHADERDB)
 635                 vc4_debug |= VC4_DEBUG_NORAST;
 636
 637 #if USE_VC4_SIMULATOR
 638         vc4_simulator_init(screen);
 639 #endif
 640
 641         vc4_resource_screen_init(pscreen);
 642
 643         pscreen->get_name = vc4_screen_get_name;
 644         pscreen->get_vendor = vc4_screen_get_vendor;
 645         pscreen->get_device_vendor = vc4_screen_get_vendor;
 646         pscreen->get_compiler_options = vc4_screen_get_compiler_options;
 647
 648         return pscreen;
 649
 650 fail:
 651         close(fd);
 652         ralloc_free(pscreen);
 653         return NULL;
 654 }
 655
 656 boolean
 657 vc4_screen_bo_get_handle(struct pipe_screen *pscreen,
 658                          struct vc4_bo *bo,
 659                          unsigned stride,
 660                          struct winsys_handle *whandle)
 661 {
 662         whandle->stride = stride;
 663
 664         /* If we're passing some reference to our BO out to some other part of
 665          * the system, then we can't do any optimizations about only us being
 666          * the ones seeing it (like BO caching or shadow update avoidance).
 667          */
 668         bo->private = false;
 669
 670         switch (whandle->type) {
 671         case DRM_API_HANDLE_TYPE_SHARED:
 672                 return vc4_bo_flink(bo, &whandle->handle);
 673         case DRM_API_HANDLE_TYPE_KMS:
 674                 whandle->handle = bo->handle;
 675                 return TRUE;
 676         case DRM_API_HANDLE_TYPE_FD:
 677                 whandle->handle = vc4_bo_get_dmabuf(bo);
 678                 return whandle->handle != -1;
 679         }
 680
 681         return FALSE;
 682 }
 683
 684 struct vc4_bo *
 685 vc4_screen_bo_from_handle(struct pipe_screen *pscreen,
 686                           struct winsys_handle *whandle)
 687 {
 688         struct vc4_screen *screen = vc4_screen(pscreen);
 689
 690         if (whandle->offset != 0) {
 691                 fprintf(stderr,
 692                         "Attempt to import unsupported winsys offset %u\n",
 693                         whandle->offset);
 694                 return NULL;
 695         }
 696
 697         switch (whandle->type) {
 698         case DRM_API_HANDLE_TYPE_SHARED:
 699                 return vc4_bo_open_name(screen, whandle->handle, whandle->stride);
 700         case DRM_API_HANDLE_TYPE_FD:
 701                 return vc4_bo_open_dmabuf(screen, whandle->handle, whandle->stride);
 702         default:
 703                 fprintf(stderr,
 704                         "Attempt to import unsupported handle type %d\n",
 705                         whandle->type);
 706                 return NULL;
 707         }
 708 }