src/gallium/drivers/vc5/vc5_screen.c

   1 /*
   2  * Copyright © 2014-2017 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 "vc5_drm.h"
  38 #include "vc5_screen.h"
  39 #include "vc5_context.h"
  40 #include "vc5_resource.h"
  41 #include "compiler/v3d_compiler.h"
  42
  43 static const char *
  44 vc5_screen_get_name(struct pipe_screen *pscreen)
  45 {
  46         struct vc5_screen *screen = vc5_screen(pscreen);
  47
  48         if (!screen->name) {
  49                 screen->name = ralloc_asprintf(screen,
  50                                                "VC5 V3D %d.%d",
  51                                                screen->devinfo.ver / 10,
  52                                                screen->devinfo.ver % 10);
  53         }
  54
  55         return screen->name;
  56 }
  57
  58 static const char *
  59 vc5_screen_get_vendor(struct pipe_screen *pscreen)
  60 {
  61         return "Broadcom";
  62 }
  63
  64 static void
  65 vc5_screen_destroy(struct pipe_screen *pscreen)
  66 {
  67         struct vc5_screen *screen = vc5_screen(pscreen);
  68
  69         util_hash_table_destroy(screen->bo_handles);
  70         vc5_bufmgr_destroy(pscreen);
  71         slab_destroy_parent(&screen->transfer_pool);
  72
  73         if (using_vc5_simulator)
  74                 vc5_simulator_destroy(screen);
  75
  76         v3d_compiler_free(screen->compiler);
  77
  78         close(screen->fd);
  79         ralloc_free(pscreen);
  80 }
  81
  82 static int
  83 vc5_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
  84 {
  85         struct vc5_screen *screen = vc5_screen(pscreen);
  86
  87         switch (param) {
  88                 /* Supported features (boolean caps). */
  89         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
  90         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
  91         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
  92         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
  93         case PIPE_CAP_NPOT_TEXTURES:
  94         case PIPE_CAP_SHAREABLE_SHADERS:
  95         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
  96         case PIPE_CAP_TEXTURE_MULTISAMPLE:
  97         case PIPE_CAP_TEXTURE_SWIZZLE:
  98         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
  99         case PIPE_CAP_START_INSTANCE:
 100         case PIPE_CAP_TGSI_INSTANCEID:
 101         case PIPE_CAP_SM3:
 102         case PIPE_CAP_TEXTURE_QUERY_LOD:
 103         case PIPE_CAP_PRIMITIVE_RESTART:
 104         case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
 105         case PIPE_CAP_OCCLUSION_QUERY:
 106         case PIPE_CAP_POINT_SPRITE:
 107         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 108         case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
 109         case PIPE_CAP_COMPUTE:
 110         case PIPE_CAP_DRAW_INDIRECT:
 111         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 112         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 113                 return 1;
 114
 115         case PIPE_CAP_INDEP_BLEND_ENABLE:
 116                 return screen->devinfo.ver >= 40;
 117
 118         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 119                 return 256;
 120
 121         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
 122                 return 4;
 123
 124         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 125                 return 400;
 126
 127         case PIPE_CAP_MAX_VIEWPORTS:
 128                 return 1;
 129
 130         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 131                 return 1;
 132         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 133                 return 0;
 134         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 135                 if (screen->devinfo.ver >= 40)
 136                         return 0;
 137                 else
 138                         return 1;
 139         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 140                 if (screen->devinfo.ver >= 40)
 141                         return 1;
 142                 else
 143                         return 0;
 144
 145         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 146         case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
 147                 return 1;
 148
 149
 150                 /* Stream output. */
 151         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 152                 return 4;
 153         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 154         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 155                 return 64;
 156
 157         case PIPE_CAP_MIN_TEXEL_OFFSET:
 158         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
 159                 return -8;
 160         case PIPE_CAP_MAX_TEXEL_OFFSET:
 161         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
 162                 return 7;
 163
 164                 /* Unsupported features. */
 165         case PIPE_CAP_ANISOTROPIC_FILTER:
 166         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 167         case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
 168         case PIPE_CAP_CUBE_MAP_ARRAY:
 169         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 170         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 171         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 172         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 173         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 174         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 175         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 176         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 177         case PIPE_CAP_TGSI_TEXCOORD:
 178         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 179         case PIPE_CAP_CONDITIONAL_RENDER:
 180         case PIPE_CAP_TEXTURE_BARRIER:
 181         case PIPE_CAP_INDEP_BLEND_FUNC:
 182         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 183         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 184         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 185         case PIPE_CAP_USER_VERTEX_BUFFERS:
 186         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 187         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 188         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
 189         case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
 190         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
 191         case PIPE_CAP_TEXTURE_GATHER_SM5:
 192         case PIPE_CAP_FAKE_SW_MSAA:
 193         case PIPE_CAP_SAMPLE_SHADING:
 194         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 195         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
 196         case PIPE_CAP_MAX_VERTEX_STREAMS:
 197         case PIPE_CAP_MULTI_DRAW_INDIRECT:
 198         case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
 199         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
 200         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
 201         case PIPE_CAP_SAMPLER_VIEW_TARGET:
 202         case PIPE_CAP_CLIP_HALFZ:
 203         case PIPE_CAP_VERTEXID_NOBASE:
 204         case PIPE_CAP_POLYGON_OFFSET_CLAMP:
 205         case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
 206         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
 207         case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
 208         case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 209         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
 210         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
 211         case PIPE_CAP_DEPTH_BOUNDS_TEST:
 212         case PIPE_CAP_TGSI_TXQS:
 213         case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
 214         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
 215         case PIPE_CAP_CLEAR_TEXTURE:
 216         case PIPE_CAP_DRAW_PARAMETERS:
 217         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
 218         case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
 219         case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
 220         case PIPE_CAP_INVALIDATE_BUFFER:
 221         case PIPE_CAP_GENERATE_MIPMAP:
 222         case PIPE_CAP_STRING_MARKER:
 223         case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 224         case PIPE_CAP_QUERY_BUFFER_OBJECT:
 225         case PIPE_CAP_QUERY_MEMORY_INFO:
 226         case PIPE_CAP_PCI_GROUP:
 227         case PIPE_CAP_PCI_BUS:
 228         case PIPE_CAP_PCI_DEVICE:
 229         case PIPE_CAP_PCI_FUNCTION:
 230         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
 231         case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 232         case PIPE_CAP_CULL_DISTANCE:
 233         case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
 234         case PIPE_CAP_TGSI_VOTE:
 235         case PIPE_CAP_MAX_WINDOW_RECTANGLES:
 236         case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
 237         case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 238         case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
 239         case PIPE_CAP_TGSI_FS_FBFETCH:
 240         case PIPE_CAP_INT64:
 241         case PIPE_CAP_INT64_DIVMOD:
 242         case PIPE_CAP_DOUBLES:
 243         case PIPE_CAP_BINDLESS_TEXTURE:
 244         case PIPE_CAP_POST_DEPTH_COVERAGE:
 245         case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
 246         case PIPE_CAP_TGSI_BALLOT:
 247         case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
 248         case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
 249         case PIPE_CAP_TGSI_CLOCK:
 250         case PIPE_CAP_TGSI_TEX_TXF_LZ:
 251         case PIPE_CAP_NATIVE_FENCE_FD:
 252         case PIPE_CAP_TGSI_MUL_ZERO_WINS:
 253         case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
 254         case PIPE_CAP_QUERY_SO_OVERFLOW:
 255         case PIPE_CAP_MEMOBJ:
 256         case PIPE_CAP_LOAD_CONSTBUF:
 257         case PIPE_CAP_TILE_RASTER_ORDER:
 258         case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
 259         case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
 260         case PIPE_CAP_CONTEXT_PRIORITY_MASK:
 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 VC5_MAX_MIP_LEVELS;
 272         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 273                 return 256;
 274         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 275                 return 2048;
 276
 277                 /* Render targets. */
 278         case PIPE_CAP_MAX_RENDER_TARGETS:
 279                 return 4;
 280
 281                 /* Queries. */
 282         case PIPE_CAP_QUERY_TIME_ELAPSED:
 283         case PIPE_CAP_QUERY_TIMESTAMP:
 284                 return 0;
 285
 286         case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
 287                 return 2048;
 288
 289         case PIPE_CAP_ENDIANNESS:
 290                 return PIPE_ENDIAN_LITTLE;
 291
 292         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 293                 return 64;
 294
 295         case PIPE_CAP_VENDOR_ID:
 296                 return 0x14E4;
 297         case PIPE_CAP_DEVICE_ID:
 298                 return 0xFFFFFFFF;
 299         case PIPE_CAP_ACCELERATED:
 300                 return 1;
 301         case PIPE_CAP_VIDEO_MEMORY: {
 302                 uint64_t system_memory;
 303
 304                 if (!os_get_total_physical_memory(&system_memory))
 305                         return 0;
 306
 307                 return (int)(system_memory >> 20);
 308         }
 309         case PIPE_CAP_UMA:
 310                 return 1;
 311
 312         default:
 313                 fprintf(stderr, "unknown param %d\n", param);
 314                 return 0;
 315         }
 316 }
 317
 318 static float
 319 vc5_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
 320 {
 321         switch (param) {
 322         case PIPE_CAPF_MAX_LINE_WIDTH:
 323         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 324                 return 32;
 325
 326         case PIPE_CAPF_MAX_POINT_WIDTH:
 327         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 328                 return 512.0f;
 329
 330         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 331                 return 0.0f;
 332         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 333                 return 16.0f;
 334         case PIPE_CAPF_GUARD_BAND_LEFT:
 335         case PIPE_CAPF_GUARD_BAND_TOP:
 336         case PIPE_CAPF_GUARD_BAND_RIGHT:
 337         case PIPE_CAPF_GUARD_BAND_BOTTOM:
 338                 return 0.0f;
 339         default:
 340                 fprintf(stderr, "unknown paramf %d\n", param);
 341                 return 0;
 342         }
 343 }
 344
 345 static int
 346 vc5_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 347                            enum pipe_shader_cap param)
 348 {
 349         if (shader != PIPE_SHADER_VERTEX &&
 350             shader != PIPE_SHADER_FRAGMENT) {
 351                 return 0;
 352         }
 353
 354         /* this is probably not totally correct.. but it's a start: */
 355         switch (param) {
 356         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 357         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 358         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 359         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 360                 return 16384;
 361
 362         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 363                 return UINT_MAX;
 364
 365         case PIPE_SHADER_CAP_MAX_INPUTS:
 366                 if (shader == PIPE_SHADER_FRAGMENT)
 367                         return VC5_MAX_FS_INPUTS / 4;
 368                 else
 369                         return 16;
 370         case PIPE_SHADER_CAP_MAX_OUTPUTS:
 371                 if (shader == PIPE_SHADER_FRAGMENT)
 372                         return 4;
 373                 else
 374                         return VC5_MAX_FS_INPUTS / 4;
 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 16;
 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_INTEGERS:
 392                 return 1;
 393         case PIPE_SHADER_CAP_FP16:
 394         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
 395         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 396         case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
 397         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 398         case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
 399         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 400         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
 401         case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
 402                 return 0;
 403         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 404         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 405         case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 406         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
 407                 return VC5_MAX_TEXTURE_SAMPLERS;
 408         case PIPE_SHADER_CAP_PREFERRED_IR:
 409                 return PIPE_SHADER_IR_NIR;
 410         case PIPE_SHADER_CAP_SUPPORTED_IRS:
 411                 return 0;
 412         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 413                 return 32;
 414         case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
 415         case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
 416                 return 0;
 417         default:
 418                 fprintf(stderr, "unknown shader param %d\n", param);
 419                 return 0;
 420         }
 421         return 0;
 422 }
 423
 424 static boolean
 425 vc5_screen_is_format_supported(struct pipe_screen *pscreen,
 426                                enum pipe_format format,
 427                                enum pipe_texture_target target,
 428                                unsigned sample_count,
 429                                unsigned usage)
 430 {
 431         struct vc5_screen *screen = vc5_screen(pscreen);
 432         unsigned retval = 0;
 433
 434         if (sample_count > 1 && sample_count != VC5_MAX_SAMPLES)
 435                 return FALSE;
 436
 437         if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
 438             !util_format_is_supported(format, usage)) {
 439                 return FALSE;
 440         }
 441
 442         if (usage & PIPE_BIND_VERTEX_BUFFER) {
 443                 switch (format) {
 444                 case PIPE_FORMAT_R32G32B32A32_FLOAT:
 445                 case PIPE_FORMAT_R32G32B32_FLOAT:
 446                 case PIPE_FORMAT_R32G32_FLOAT:
 447                 case PIPE_FORMAT_R32_FLOAT:
 448                 case PIPE_FORMAT_R32G32B32A32_SNORM:
 449                 case PIPE_FORMAT_R32G32B32_SNORM:
 450                 case PIPE_FORMAT_R32G32_SNORM:
 451                 case PIPE_FORMAT_R32_SNORM:
 452                 case PIPE_FORMAT_R32G32B32A32_SSCALED:
 453                 case PIPE_FORMAT_R32G32B32_SSCALED:
 454                 case PIPE_FORMAT_R32G32_SSCALED:
 455                 case PIPE_FORMAT_R32_SSCALED:
 456                 case PIPE_FORMAT_R16G16B16A16_UNORM:
 457                 case PIPE_FORMAT_R16G16B16_UNORM:
 458                 case PIPE_FORMAT_R16G16_UNORM:
 459                 case PIPE_FORMAT_R16_UNORM:
 460                 case PIPE_FORMAT_R16G16B16A16_SNORM:
 461                 case PIPE_FORMAT_R16G16B16_SNORM:
 462                 case PIPE_FORMAT_R16G16_SNORM:
 463                 case PIPE_FORMAT_R16_SNORM:
 464                 case PIPE_FORMAT_R16G16B16A16_USCALED:
 465                 case PIPE_FORMAT_R16G16B16_USCALED:
 466                 case PIPE_FORMAT_R16G16_USCALED:
 467                 case PIPE_FORMAT_R16_USCALED:
 468                 case PIPE_FORMAT_R16G16B16A16_SSCALED:
 469                 case PIPE_FORMAT_R16G16B16_SSCALED:
 470                 case PIPE_FORMAT_R16G16_SSCALED:
 471                 case PIPE_FORMAT_R16_SSCALED:
 472                 case PIPE_FORMAT_R8G8B8A8_UNORM:
 473                 case PIPE_FORMAT_R8G8B8_UNORM:
 474                 case PIPE_FORMAT_R8G8_UNORM:
 475                 case PIPE_FORMAT_R8_UNORM:
 476                 case PIPE_FORMAT_R8G8B8A8_SNORM:
 477                 case PIPE_FORMAT_R8G8B8_SNORM:
 478                 case PIPE_FORMAT_R8G8_SNORM:
 479                 case PIPE_FORMAT_R8_SNORM:
 480                 case PIPE_FORMAT_R8G8B8A8_USCALED:
 481                 case PIPE_FORMAT_R8G8B8_USCALED:
 482                 case PIPE_FORMAT_R8G8_USCALED:
 483                 case PIPE_FORMAT_R8_USCALED:
 484                 case PIPE_FORMAT_R8G8B8A8_SSCALED:
 485                 case PIPE_FORMAT_R8G8B8_SSCALED:
 486                 case PIPE_FORMAT_R8G8_SSCALED:
 487                 case PIPE_FORMAT_R8_SSCALED:
 488                         retval |= PIPE_BIND_VERTEX_BUFFER;
 489                         break;
 490                 default:
 491                         break;
 492                 }
 493         }
 494
 495         if ((usage & PIPE_BIND_RENDER_TARGET) &&
 496             vc5_rt_format_supported(&screen->devinfo, format)) {
 497                 retval |= PIPE_BIND_RENDER_TARGET;
 498         }
 499
 500         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 501             vc5_tex_format_supported(&screen->devinfo, format)) {
 502                 retval |= PIPE_BIND_SAMPLER_VIEW;
 503         }
 504
 505         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 506             (format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
 507              format == PIPE_FORMAT_X8Z24_UNORM ||
 508              format == PIPE_FORMAT_Z16_UNORM ||
 509              format == PIPE_FORMAT_Z32_FLOAT ||
 510              format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
 511                 retval |= PIPE_BIND_DEPTH_STENCIL;
 512         }
 513
 514         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
 515             (format == PIPE_FORMAT_I8_UINT ||
 516              format == PIPE_FORMAT_I16_UINT ||
 517              format == PIPE_FORMAT_I32_UINT)) {
 518                 retval |= PIPE_BIND_INDEX_BUFFER;
 519         }
 520
 521 #if 0
 522         if (retval != usage) {
 523                 fprintf(stderr,
 524                         "not supported: format=%s, target=%d, sample_count=%d, "
 525                         "usage=0x%x, retval=0x%x\n", util_format_name(format),
 526                         target, sample_count, usage, retval);
 527         }
 528 #endif
 529
 530         return retval == usage;
 531 }
 532
 533 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
 534
 535 static unsigned handle_hash(void *key)
 536 {
 537     return PTR_TO_UINT(key);
 538 }
 539
 540 static int handle_compare(void *key1, void *key2)
 541 {
 542     return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
 543 }
 544
 545 static bool
 546 vc5_get_device_info(struct vc5_screen *screen)
 547 {
 548         struct drm_vc5_get_param ident0 = {
 549                 .param = DRM_VC5_PARAM_V3D_CORE0_IDENT0,
 550         };
 551         struct drm_vc5_get_param ident1 = {
 552                 .param = DRM_VC5_PARAM_V3D_CORE0_IDENT1,
 553         };
 554         int ret;
 555
 556         ret = vc5_ioctl(screen->fd, DRM_IOCTL_VC5_GET_PARAM, &ident0);
 557         if (ret != 0) {
 558                 fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
 559                         strerror(errno));
 560                 return false;
 561         }
 562         ret = vc5_ioctl(screen->fd, DRM_IOCTL_VC5_GET_PARAM, &ident1);
 563         if (ret != 0) {
 564                 fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
 565                         strerror(errno));
 566                 return false;
 567         }
 568
 569         uint32_t major = (ident0.value >> 24) & 0xff;
 570         uint32_t minor = (ident1.value >> 0) & 0xf;
 571         screen->devinfo.ver = major * 10 + minor;
 572
 573         switch (screen->devinfo.ver) {
 574         case 33:
 575         case 41:
 576         case 42:
 577                 break;
 578         default:
 579                 fprintf(stderr,
 580                         "V3D %d.%d not supported by this version of Mesa.\n",
 581                         screen->devinfo.ver / 10,
 582                         screen->devinfo.ver % 10);
 583                 return false;
 584         }
 585
 586         return true;
 587 }
 588
 589 static const void *
 590 vc5_screen_get_compiler_options(struct pipe_screen *pscreen,
 591                                 enum pipe_shader_ir ir, unsigned shader)
 592 {
 593         return &v3d_nir_options;
 594 }
 595
 596 struct pipe_screen *
 597 vc5_screen_create(int fd)
 598 {
 599         struct vc5_screen *screen = rzalloc(NULL, struct vc5_screen);
 600         struct pipe_screen *pscreen;
 601
 602         pscreen = &screen->base;
 603
 604         pscreen->destroy = vc5_screen_destroy;
 605         pscreen->get_param = vc5_screen_get_param;
 606         pscreen->get_paramf = vc5_screen_get_paramf;
 607         pscreen->get_shader_param = vc5_screen_get_shader_param;
 608         pscreen->context_create = vc5_context_create;
 609         pscreen->is_format_supported = vc5_screen_is_format_supported;
 610
 611         screen->fd = fd;
 612         list_inithead(&screen->bo_cache.time_list);
 613         (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
 614         screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 615
 616 #if defined(USE_VC5_SIMULATOR)
 617         vc5_simulator_init(screen);
 618 #endif
 619
 620         if (!vc5_get_device_info(screen))
 621                 goto fail;
 622
 623         slab_create_parent(&screen->transfer_pool, sizeof(struct vc5_transfer), 16);
 624
 625         vc5_fence_init(screen);
 626
 627         v3d_process_debug_variable();
 628
 629         vc5_resource_screen_init(pscreen);
 630
 631         screen->compiler = v3d_compiler_init(&screen->devinfo);
 632
 633         pscreen->get_name = vc5_screen_get_name;
 634         pscreen->get_vendor = vc5_screen_get_vendor;
 635         pscreen->get_device_vendor = vc5_screen_get_vendor;
 636         pscreen->get_compiler_options = vc5_screen_get_compiler_options;
 637
 638         return pscreen;
 639
 640 fail:
 641         close(fd);
 642         ralloc_free(pscreen);
 643         return NULL;
 644 }