src/gallium/drivers/ilo/ilo_screen.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2012-2013 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the 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
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #include "util/u_format_s3tc.h"
  29 #include "vl/vl_decoder.h"
  30 #include "vl/vl_video_buffer.h"
  31 #include "intel_chipset.h"
  32 #include "intel_reg.h" /* for TIMESTAMP */
  33 #include "intel_winsys.h"
  34
  35 #include "ilo_context.h"
  36 #include "ilo_format.h"
  37 #include "ilo_resource.h"
  38 #include "ilo_public.h"
  39 #include "ilo_screen.h"
  40
  41 int ilo_debug;
  42
  43 static const struct debug_named_value ilo_debug_flags[] = {
  44    { "3d",        ILO_DEBUG_3D,       "Dump 3D commands and states" },
  45    { "vs",        ILO_DEBUG_VS,       "Dump vertex shaders" },
  46    { "gs",        ILO_DEBUG_GS,       "Dump geometry shaders" },
  47    { "fs",        ILO_DEBUG_FS,       "Dump fragment shaders" },
  48    { "cs",        ILO_DEBUG_CS,       "Dump compute shaders" },
  49    { "nohw",      ILO_DEBUG_NOHW,     "Do not send commands to HW" },
  50    { "nocache",   ILO_DEBUG_NOCACHE,  "Always invalidate HW caches" },
  51    DEBUG_NAMED_VALUE_END
  52 };
  53
  54 static float
  55 ilo_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
  56 {
  57    switch (param) {
  58    case PIPE_CAPF_MAX_LINE_WIDTH:
  59       /* in U3.7, defined in 3DSTATE_SF */
  60       return 7.0f;
  61    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
  62       /* line width minus one, which is reserved for AA region */
  63       return 6.0f;
  64    case PIPE_CAPF_MAX_POINT_WIDTH:
  65       /* in U8.3, defined in 3DSTATE_SF */
  66       return 255.0f;
  67    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
  68       /* same as point width, as we ignore rasterizer->point_smooth */
  69       return 255.0f;
  70    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
  71       /* [2.0, 16.0], defined in SAMPLER_STATE */
  72       return 16.0f;
  73    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
  74       /* [-16.0, 16.0), defined in SAMPLER_STATE */
  75       return 15.0f;
  76    case PIPE_CAPF_GUARD_BAND_LEFT:
  77    case PIPE_CAPF_GUARD_BAND_TOP:
  78    case PIPE_CAPF_GUARD_BAND_RIGHT:
  79    case PIPE_CAPF_GUARD_BAND_BOTTOM:
  80       /* what are these for? */
  81       return 0.0f;
  82
  83    default:
  84       return 0.0f;
  85    }
  86 }
  87
  88 static int
  89 ilo_get_shader_param(struct pipe_screen *screen, unsigned shader,
  90                      enum pipe_shader_cap param)
  91 {
  92    switch (shader) {
  93    case PIPE_SHADER_FRAGMENT:
  94    case PIPE_SHADER_VERTEX:
  95    case PIPE_SHADER_GEOMETRY:
  96       break;
  97    default:
  98       return 0;
  99    }
 100
 101    switch (param) {
 102    /* the limits are copied from the classic driver */
 103    case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 104       return (shader == PIPE_SHADER_FRAGMENT) ? 1024 : 16384;
 105    case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 106       return (shader == PIPE_SHADER_FRAGMENT) ? 1024 : 0;
 107    case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 108       return (shader == PIPE_SHADER_FRAGMENT) ? 1024 : 0;
 109    case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 110       return (shader == PIPE_SHADER_FRAGMENT) ? 1024 : 0;
 111    case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 112       return UINT_MAX;
 113    case PIPE_SHADER_CAP_MAX_INPUTS:
 114       /* this is limited by how many attributes SF can remap */
 115       return 16;
 116    case PIPE_SHADER_CAP_MAX_CONSTS:
 117       return 1024;
 118    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 119       return ILO_MAX_CONST_BUFFERS;
 120    case PIPE_SHADER_CAP_MAX_TEMPS:
 121       return 256;
 122    case PIPE_SHADER_CAP_MAX_ADDRS:
 123       return (shader == PIPE_SHADER_FRAGMENT) ? 0 : 1;
 124    case PIPE_SHADER_CAP_MAX_PREDS:
 125       return 0;
 126    case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 127       return 1;
 128    case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 129       return 0;
 130    case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 131       return 0;
 132    case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 133       return (shader == PIPE_SHADER_FRAGMENT) ? 0 : 1;
 134    case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 135       return (shader == PIPE_SHADER_FRAGMENT) ? 0 : 1;
 136    case PIPE_SHADER_CAP_SUBROUTINES:
 137       return 0;
 138    case PIPE_SHADER_CAP_INTEGERS:
 139       return 1;
 140    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 141       return ILO_MAX_SAMPLERS;
 142    case PIPE_SHADER_CAP_PREFERRED_IR:
 143       return PIPE_SHADER_IR_TGSI;
 144    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 145       return 1;
 146
 147    default:
 148       return 0;
 149    }
 150 }
 151
 152 static int
 153 ilo_get_video_param(struct pipe_screen *screen,
 154                     enum pipe_video_profile profile,
 155                     enum pipe_video_cap param)
 156 {
 157    switch (param) {
 158    case PIPE_VIDEO_CAP_SUPPORTED:
 159       return vl_profile_supported(screen, profile);
 160    case PIPE_VIDEO_CAP_NPOT_TEXTURES:
 161       return 1;
 162    case PIPE_VIDEO_CAP_MAX_WIDTH:
 163    case PIPE_VIDEO_CAP_MAX_HEIGHT:
 164       return vl_video_buffer_max_size(screen);
 165    case PIPE_VIDEO_CAP_PREFERED_FORMAT:
 166       return PIPE_FORMAT_NV12;
 167    case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
 168       return 1;
 169    case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
 170       return 1;
 171    case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
 172       return 0;
 173
 174    default:
 175       return 0;
 176    }
 177 }
 178
 179 static int
 180 ilo_get_compute_param(struct pipe_screen *screen,
 181                       enum pipe_compute_cap param,
 182                       void *ret)
 183 {
 184    union {
 185       const char *ir_target;
 186       uint64_t grid_dimension;
 187       uint64_t max_grid_size[3];
 188       uint64_t max_block_size[3];
 189       uint64_t max_threads_per_block;
 190       uint64_t max_global_size;
 191       uint64_t max_local_size;
 192       uint64_t max_private_size;
 193       uint64_t max_input_size;
 194       uint64_t max_mem_alloc_size;
 195    } val;
 196    const void *ptr;
 197    int size;
 198
 199    /* XXX some randomly chosen values */
 200    switch (param) {
 201    case PIPE_COMPUTE_CAP_IR_TARGET:
 202       val.ir_target = "ilog";
 203
 204       ptr = val.ir_target;
 205       size = strlen(val.ir_target) + 1;
 206       break;
 207    case PIPE_COMPUTE_CAP_GRID_DIMENSION:
 208       val.grid_dimension = Elements(val.max_grid_size);
 209
 210       ptr = &val.grid_dimension;
 211       size = sizeof(val.grid_dimension);
 212       break;
 213    case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
 214       val.max_grid_size[0] = 65535;
 215       val.max_grid_size[1] = 65535;
 216       val.max_grid_size[2] = 1;
 217
 218       ptr = &val.max_grid_size;
 219       size = sizeof(val.max_grid_size);
 220       break;
 221    case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
 222       val.max_block_size[0] = 512;
 223       val.max_block_size[1] = 512;
 224       val.max_block_size[2] = 512;
 225
 226       ptr = &val.max_block_size;
 227       size = sizeof(val.max_block_size);
 228       break;
 229
 230    case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
 231       val.max_threads_per_block = 512;
 232
 233       ptr = &val.max_threads_per_block;
 234       size = sizeof(val.max_threads_per_block);
 235       break;
 236    case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
 237       val.max_global_size = 4;
 238
 239       ptr = &val.max_global_size;
 240       size = sizeof(val.max_global_size);
 241       break;
 242    case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
 243       val.max_local_size = 64 * 1024;
 244
 245       ptr = &val.max_local_size;
 246       size = sizeof(val.max_local_size);
 247       break;
 248    case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
 249       val.max_private_size = 32768;
 250
 251       ptr = &val.max_private_size;
 252       size = sizeof(val.max_private_size);
 253       break;
 254    case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
 255       val.max_input_size = 256;
 256
 257       ptr = &val.max_input_size;
 258       size = sizeof(val.max_input_size);
 259       break;
 260    case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
 261       val.max_mem_alloc_size = 128 * 1024 * 1024;
 262
 263       ptr = &val.max_mem_alloc_size;
 264       size = sizeof(val.max_mem_alloc_size);
 265       break;
 266    default:
 267       ptr = NULL;
 268       size = 0;
 269       break;
 270    }
 271
 272    if (ret)
 273       memcpy(ret, ptr, size);
 274
 275    return size;
 276 }
 277
 278 static int
 279 ilo_get_param(struct pipe_screen *screen, enum pipe_cap param)
 280 {
 281    struct ilo_screen *is = ilo_screen(screen);
 282
 283    switch (param) {
 284    case PIPE_CAP_NPOT_TEXTURES:
 285    case PIPE_CAP_TWO_SIDED_STENCIL:
 286       return true;
 287    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 288       return 0; /* TODO */
 289    case PIPE_CAP_ANISOTROPIC_FILTER:
 290    case PIPE_CAP_POINT_SPRITE:
 291       return true;
 292    case PIPE_CAP_MAX_RENDER_TARGETS:
 293       return ILO_MAX_DRAW_BUFFERS;
 294    case PIPE_CAP_OCCLUSION_QUERY:
 295    case PIPE_CAP_QUERY_TIME_ELAPSED:
 296    case PIPE_CAP_TEXTURE_SHADOW_MAP:
 297    case PIPE_CAP_TEXTURE_SWIZZLE: /* must be supported for shadow map */
 298       return true;
 299    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 300       /*
 301        * As defined in SURFACE_STATE, we have
 302        *
 303        *           Max WxHxD for 2D and CUBE     Max WxHxD for 3D
 304        *  GEN6           8192x8192x512            2048x2048x2048
 305        *  GEN7         16384x16384x2048           2048x2048x2048
 306        *
 307        * However, when the texutre size is large, things become unstable.  We
 308        * require the maximum texture size to be 2^30 bytes in
 309        * screen->can_create_resource().  Since the maximum pixel size is 2^4
 310        * bytes (PIPE_FORMAT_R32G32B32A32_FLOAT), textures should not have more
 311        * than 2^26 pixels.
 312        *
 313        * For 3D textures, we have to set the maximum number of levels to 9,
 314        * which has at most 2^24 pixels.  For 2D textures, we set it to 14,
 315        * which has at most 2^26 pixels.
 316        */
 317       return 14;
 318    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 319       return 9;
 320    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 321       return 14;
 322    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 323       return false;
 324    case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 325    case PIPE_CAP_SM3:
 326       return true;
 327    case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 328       if (is->dev.gen >= ILO_GEN(7) && !is->dev.has_gen7_sol_reset)
 329          return 0;
 330       return ILO_MAX_SO_BUFFERS;
 331    case PIPE_CAP_PRIMITIVE_RESTART:
 332       return true;
 333    case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 334       return ILO_MAX_SAMPLERS * 2;
 335    case PIPE_CAP_INDEP_BLEND_ENABLE:
 336    case PIPE_CAP_INDEP_BLEND_FUNC:
 337       return true;
 338    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 339       return (is->dev.gen >= ILO_GEN(7)) ? 2048 : 512;
 340    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 341    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 342    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 343    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 344    case PIPE_CAP_DEPTH_CLIP_DISABLE:
 345       return true;
 346    case PIPE_CAP_SHADER_STENCIL_EXPORT:
 347       return false;
 348    case PIPE_CAP_TGSI_INSTANCEID:
 349    case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 350       return false; /* TODO */
 351    case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 352       return false;
 353    case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 354       return true;
 355    case PIPE_CAP_SEAMLESS_CUBE_MAP:
 356    case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 357    case PIPE_CAP_SCALED_RESOLVE:
 358       return true;
 359    case PIPE_CAP_MIN_TEXEL_OFFSET:
 360       return -8;
 361    case PIPE_CAP_MAX_TEXEL_OFFSET:
 362       return 7;
 363    case PIPE_CAP_CONDITIONAL_RENDER:
 364    case PIPE_CAP_TEXTURE_BARRIER:
 365       return true;
 366    case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 367       return ILO_MAX_SO_BINDINGS / ILO_MAX_SO_BUFFERS;
 368    case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 369       return ILO_MAX_SO_BINDINGS;
 370    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 371       if (is->dev.gen >= ILO_GEN(7))
 372          return is->dev.has_gen7_sol_reset;
 373       else
 374          return false; /* TODO */
 375    case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
 376    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 377       return false;
 378    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 379       return true;
 380    case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 381       return false;
 382    case PIPE_CAP_GLSL_FEATURE_LEVEL:
 383       return 130;
 384    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 385    case PIPE_CAP_USER_VERTEX_BUFFERS:
 386       return false;
 387    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 388    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 389    case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 390       return false;
 391    case PIPE_CAP_COMPUTE:
 392       return false; /* TODO */
 393    case PIPE_CAP_USER_INDEX_BUFFERS:
 394       return false;
 395    case PIPE_CAP_USER_CONSTANT_BUFFERS:
 396       return false; /* TODO push constants */
 397    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 398       return 16;
 399    case PIPE_CAP_START_INSTANCE:
 400    case PIPE_CAP_QUERY_TIMESTAMP:
 401       return true;
 402    case PIPE_CAP_TEXTURE_MULTISAMPLE:
 403       return false; /* TODO */
 404    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 405       return 0; /* TODO */
 406    case PIPE_CAP_CUBE_MAP_ARRAY:
 407    case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 408       return false; /* TODO */
 409    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 410       return 0; /* TODO */
 411    case PIPE_CAP_TGSI_TEXCOORD:
 412       return false;
 413    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 414       return true;
 415    case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 416       return false; /* TODO */
 417    case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 418       return 0;
 419
 420    default:
 421       return 0;
 422    }
 423 }
 424
 425 static const char *
 426 ilo_get_vendor(struct pipe_screen *screen)
 427 {
 428    return "LunarG, Inc.";
 429 }
 430
 431 static const char *
 432 ilo_get_name(struct pipe_screen *screen)
 433 {
 434    struct ilo_screen *is = ilo_screen(screen);
 435    const char *chipset;
 436
 437    /* stolen from classic i965 */
 438    switch (is->dev.devid) {
 439    case PCI_CHIP_SANDYBRIDGE_GT1:
 440    case PCI_CHIP_SANDYBRIDGE_GT2:
 441    case PCI_CHIP_SANDYBRIDGE_GT2_PLUS:
 442       chipset = "Intel(R) Sandybridge Desktop";
 443       break;
 444    case PCI_CHIP_SANDYBRIDGE_M_GT1:
 445    case PCI_CHIP_SANDYBRIDGE_M_GT2:
 446    case PCI_CHIP_SANDYBRIDGE_M_GT2_PLUS:
 447       chipset = "Intel(R) Sandybridge Mobile";
 448       break;
 449    case PCI_CHIP_SANDYBRIDGE_S:
 450       chipset = "Intel(R) Sandybridge Server";
 451       break;
 452    case PCI_CHIP_IVYBRIDGE_GT1:
 453    case PCI_CHIP_IVYBRIDGE_GT2:
 454       chipset = "Intel(R) Ivybridge Desktop";
 455       break;
 456    case PCI_CHIP_IVYBRIDGE_M_GT1:
 457    case PCI_CHIP_IVYBRIDGE_M_GT2:
 458       chipset = "Intel(R) Ivybridge Mobile";
 459       break;
 460    case PCI_CHIP_IVYBRIDGE_S_GT1:
 461    case PCI_CHIP_IVYBRIDGE_S_GT2:
 462       chipset = "Intel(R) Ivybridge Server";
 463       break;
 464    case PCI_CHIP_BAYTRAIL_M_1:
 465    case PCI_CHIP_BAYTRAIL_M_2:
 466    case PCI_CHIP_BAYTRAIL_M_3:
 467    case PCI_CHIP_BAYTRAIL_M_4:
 468    case PCI_CHIP_BAYTRAIL_D:
 469       chipset = "Intel(R) Bay Trail";
 470       break;
 471    case PCI_CHIP_HASWELL_GT1:
 472    case PCI_CHIP_HASWELL_GT2:
 473    case PCI_CHIP_HASWELL_GT2_PLUS:
 474    case PCI_CHIP_HASWELL_SDV_GT1:
 475    case PCI_CHIP_HASWELL_SDV_GT2:
 476    case PCI_CHIP_HASWELL_SDV_GT2_PLUS:
 477    case PCI_CHIP_HASWELL_ULT_GT1:
 478    case PCI_CHIP_HASWELL_ULT_GT2:
 479    case PCI_CHIP_HASWELL_ULT_GT2_PLUS:
 480    case PCI_CHIP_HASWELL_CRW_GT1:
 481    case PCI_CHIP_HASWELL_CRW_GT2:
 482    case PCI_CHIP_HASWELL_CRW_GT2_PLUS:
 483       chipset = "Intel(R) Haswell Desktop";
 484       break;
 485    case PCI_CHIP_HASWELL_M_GT1:
 486    case PCI_CHIP_HASWELL_M_GT2:
 487    case PCI_CHIP_HASWELL_M_GT2_PLUS:
 488    case PCI_CHIP_HASWELL_SDV_M_GT1:
 489    case PCI_CHIP_HASWELL_SDV_M_GT2:
 490    case PCI_CHIP_HASWELL_SDV_M_GT2_PLUS:
 491    case PCI_CHIP_HASWELL_ULT_M_GT1:
 492    case PCI_CHIP_HASWELL_ULT_M_GT2:
 493    case PCI_CHIP_HASWELL_ULT_M_GT2_PLUS:
 494    case PCI_CHIP_HASWELL_CRW_M_GT1:
 495    case PCI_CHIP_HASWELL_CRW_M_GT2:
 496    case PCI_CHIP_HASWELL_CRW_M_GT2_PLUS:
 497       chipset = "Intel(R) Haswell Mobile";
 498       break;
 499    case PCI_CHIP_HASWELL_S_GT1:
 500    case PCI_CHIP_HASWELL_S_GT2:
 501    case PCI_CHIP_HASWELL_S_GT2_PLUS:
 502    case PCI_CHIP_HASWELL_SDV_S_GT1:
 503    case PCI_CHIP_HASWELL_SDV_S_GT2:
 504    case PCI_CHIP_HASWELL_SDV_S_GT2_PLUS:
 505    case PCI_CHIP_HASWELL_ULT_S_GT1:
 506    case PCI_CHIP_HASWELL_ULT_S_GT2:
 507    case PCI_CHIP_HASWELL_ULT_S_GT2_PLUS:
 508    case PCI_CHIP_HASWELL_CRW_S_GT1:
 509    case PCI_CHIP_HASWELL_CRW_S_GT2:
 510    case PCI_CHIP_HASWELL_CRW_S_GT2_PLUS:
 511       chipset = "Intel(R) Haswell Server";
 512       break;
 513    default:
 514       chipset = "Unknown Intel Chipset";
 515       break;
 516    }
 517
 518    return chipset;
 519 }
 520
 521 static uint64_t
 522 ilo_get_timestamp(struct pipe_screen *screen)
 523 {
 524    struct ilo_screen *is = ilo_screen(screen);
 525    union {
 526       uint64_t val;
 527       uint32_t dw[2];
 528    } timestamp;
 529
 530    is->winsys->read_reg(is->winsys, TIMESTAMP, &timestamp.val);
 531
 532    /*
 533     * From the Ivy Bridge PRM, volume 1 part 3, page 107:
 534     *
 535     *     "Note: This timestamp register reflects the value of the PCU TSC.
 536     *      The PCU TSC counts 10ns increments; this timestamp reflects bits
 537     *      38:3 of the TSC (i.e. 80ns granularity, rolling over every 1.5
 538     *      hours)."
 539     *
 540     * However, it seems dw[0] is garbage and dw[1] contains the lower 32 bits
 541     * of the timestamp.  We will have to live with a timestamp that rolls over
 542     * every ~343 seconds.
 543     *
 544     * See also brw_get_timestamp().
 545     */
 546    return (uint64_t) timestamp.dw[1] * 80;
 547 }
 548
 549 static void
 550 ilo_fence_reference(struct pipe_screen *screen,
 551                     struct pipe_fence_handle **p,
 552                     struct pipe_fence_handle *f)
 553 {
 554    struct ilo_fence **ptr = (struct ilo_fence **) p;
 555    struct ilo_fence *fence = ilo_fence(f);
 556
 557    if (!ptr) {
 558       /* still need to reference fence */
 559       if (fence)
 560          pipe_reference(NULL, &fence->reference);
 561       return;
 562    }
 563
 564    /* reference fence and dereference the one pointed to by ptr */
 565    if (*ptr && pipe_reference(&(*ptr)->reference, &fence->reference)) {
 566       struct ilo_fence *old = *ptr;
 567
 568       if (old->bo)
 569          old->bo->unreference(old->bo);
 570       FREE(old);
 571    }
 572
 573    *ptr = fence;
 574 }
 575
 576 static boolean
 577 ilo_fence_signalled(struct pipe_screen *screen,
 578                     struct pipe_fence_handle *f)
 579 {
 580    struct ilo_fence *fence = ilo_fence(f);
 581
 582    /* mark signalled if the bo is idle */
 583    if (fence->bo && !intel_bo_is_busy(fence->bo)) {
 584       fence->bo->unreference(fence->bo);
 585       fence->bo = NULL;
 586    }
 587
 588    return (fence->bo == NULL);
 589 }
 590
 591 static boolean
 592 ilo_fence_finish(struct pipe_screen *screen,
 593                  struct pipe_fence_handle *f,
 594                  uint64_t timeout)
 595 {
 596    struct ilo_fence *fence = ilo_fence(f);
 597    const int64_t wait_timeout = (timeout > INT64_MAX) ? -1 : timeout;
 598
 599    /* already signalled */
 600    if (!fence->bo)
 601       return true;
 602
 603    /* wait and see if it returns error */
 604    if (fence->bo->wait(fence->bo, wait_timeout))
 605       return false;
 606
 607    /* mark signalled */
 608    fence->bo->unreference(fence->bo);
 609    fence->bo = NULL;
 610
 611    return true;
 612 }
 613
 614 static void
 615 ilo_screen_destroy(struct pipe_screen *screen)
 616 {
 617    struct ilo_screen *is = ilo_screen(screen);
 618
 619    /* as it seems, winsys is owned by the screen */
 620    is->winsys->destroy(is->winsys);
 621
 622    FREE(is);
 623 }
 624
 625 static bool
 626 init_dev(struct ilo_dev_info *dev, const struct intel_winsys_info *info)
 627 {
 628    dev->devid = info->devid;
 629    dev->has_gen7_sol_reset = info->has_gen7_sol_reset;
 630    dev->has_llc = info->has_llc;
 631
 632    /*
 633     * From the Sandy Bridge PRM, volume 4 part 2, page 18:
 634     *
 635     *     "[DevSNB]: The GT1 product's URB provides 32KB of storage, arranged
 636     *      as 1024 256-bit rows. The GT2 product's URB provides 64KB of
 637     *      storage, arranged as 2048 256-bit rows. A row corresponds in size
 638     *      to an EU GRF register. Read/write access to the URB is generally
 639     *      supported on a row-granular basis."
 640     *
 641     * From the Ivy Bridge PRM, volume 4 part 2, page 17:
 642     *
 643     *     "URB Size    URB Rows    URB Rows when SLM Enabled
 644     *      128k        4096        2048
 645     *      256k        8096        4096"
 646     */
 647
 648    if (IS_HASWELL(info->devid)) {
 649       dev->gen = ILO_GEN(7.5);
 650
 651       if (IS_HSW_GT2(info->devid)) {
 652          dev->gt = 2;
 653          dev->urb_size = 256 * 1024;
 654       }
 655       else {
 656          dev->gt = 1;
 657          dev->urb_size = 128 * 1024;
 658       }
 659    }
 660    else if (IS_GEN7(info->devid)) {
 661       dev->gen = ILO_GEN(7);
 662
 663       if (IS_IVB_GT2(info->devid)) {
 664          dev->gt = 2;
 665          dev->urb_size = 256 * 1024;
 666       }
 667       else {
 668          dev->gt = 1;
 669          dev->urb_size = 128 * 1024;
 670       }
 671    }
 672    else if (IS_GEN6(info->devid)) {
 673       dev->gen = ILO_GEN(6);
 674
 675       if (IS_SNB_GT2(info->devid)) {
 676          dev->gt = 2;
 677          dev->urb_size = 64 * 1024;
 678       }
 679       else {
 680          dev->gt = 1;
 681          dev->urb_size = 32 * 1024;
 682       }
 683    }
 684    else {
 685       ilo_err("unknown GPU generation\n");
 686       return false;
 687    }
 688
 689    return true;
 690 }
 691
 692 struct pipe_screen *
 693 ilo_screen_create(struct intel_winsys *ws)
 694 {
 695    struct ilo_screen *is;
 696    const struct intel_winsys_info *info;
 697
 698    ilo_debug = debug_get_flags_option("ILO_DEBUG", ilo_debug_flags, 0);
 699
 700    is = CALLOC_STRUCT(ilo_screen);
 701    if (!is)
 702       return NULL;
 703
 704    is->winsys = ws;
 705
 706    info = is->winsys->get_info(is->winsys);
 707    if (!init_dev(&is->dev, info)) {
 708       FREE(is);
 709       return NULL;
 710    }
 711
 712    util_format_s3tc_init();
 713
 714    is->base.destroy = ilo_screen_destroy;
 715    is->base.get_name = ilo_get_name;
 716    is->base.get_vendor = ilo_get_vendor;
 717    is->base.get_param = ilo_get_param;
 718    is->base.get_paramf = ilo_get_paramf;
 719    is->base.get_shader_param = ilo_get_shader_param;
 720    is->base.get_video_param = ilo_get_video_param;
 721    is->base.get_compute_param = ilo_get_compute_param;
 722
 723    is->base.get_timestamp = ilo_get_timestamp;
 724
 725    is->base.flush_frontbuffer = NULL;
 726
 727    is->base.fence_reference = ilo_fence_reference;
 728    is->base.fence_signalled = ilo_fence_signalled;
 729    is->base.fence_finish = ilo_fence_finish;
 730
 731    is->base.get_driver_query_info = NULL;
 732
 733    ilo_init_format_functions(is);
 734    ilo_init_context_functions(is);
 735    ilo_init_resource_functions(is);
 736
 737    return &is->base;
 738 }