src/mesa/drivers/dri/i965/brw_device_info.c

   1 /*
   2  * Copyright © 2013 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include "brw_device_info.h"
  27
  28 static const struct brw_device_info brw_device_info_i965 = {
  29    .gen = 4,
  30    .has_negative_rhw_bug = true,
  31    .needs_unlit_centroid_workaround = true,
  32    .max_vs_threads = 16,
  33    .max_gs_threads = 2,
  34    .max_wm_threads = 8 * 4,
  35    .urb = {
  36       .size = 256,
  37    },
  38 };
  39
  40 static const struct brw_device_info brw_device_info_g4x = {
  41    .gen = 4,
  42    .has_pln = true,
  43    .has_compr4 = true,
  44    .has_surface_tile_offset = true,
  45    .needs_unlit_centroid_workaround = true,
  46    .is_g4x = true,
  47    .max_vs_threads = 32,
  48    .max_gs_threads = 2,
  49    .max_wm_threads = 10 * 5,
  50    .urb = {
  51       .size = 384,
  52    },
  53 };
  54
  55 static const struct brw_device_info brw_device_info_ilk = {
  56    .gen = 5,
  57    .has_pln = true,
  58    .has_compr4 = true,
  59    .has_surface_tile_offset = true,
  60    .needs_unlit_centroid_workaround = true,
  61    .max_vs_threads = 72,
  62    .max_gs_threads = 32,
  63    .max_wm_threads = 12 * 6,
  64    .urb = {
  65       .size = 1024,
  66    },
  67 };
  68
  69 static const struct brw_device_info brw_device_info_snb_gt1 = {
  70    .gen = 6,
  71    .gt = 1,
  72    .has_hiz_and_separate_stencil = true,
  73    .has_llc = true,
  74    .has_pln = true,
  75    .has_surface_tile_offset = true,
  76    .needs_unlit_centroid_workaround = true,
  77    .max_vs_threads = 24,
  78    .max_gs_threads = 21, /* conservative; 24 if rendering disabled. */
  79    .max_wm_threads = 40,
  80    .urb = {
  81       .size = 32,
  82       .min_vs_entries = 24,
  83       .max_vs_entries = 256,
  84       .max_gs_entries = 256,
  85    },
  86 };
  87
  88 static const struct brw_device_info brw_device_info_snb_gt2 = {
  89    .gen = 6,
  90    .gt = 2,
  91    .has_hiz_and_separate_stencil = true,
  92    .has_llc = true,
  93    .has_pln = true,
  94    .has_surface_tile_offset = true,
  95    .needs_unlit_centroid_workaround = true,
  96    .max_vs_threads = 60,
  97    .max_gs_threads = 60,
  98    .max_wm_threads = 80,
  99    .urb = {
 100       .size = 64,
 101       .min_vs_entries = 24,
 102       .max_vs_entries = 256,
 103       .max_gs_entries = 256,
 104    },
 105 };
 106
 107 #define GEN7_FEATURES                               \
 108    .gen = 7,                                        \
 109    .has_hiz_and_separate_stencil = true,            \
 110    .must_use_separate_stencil = true,               \
 111    .has_llc = true,                                 \
 112    .has_pln = true,                                 \
 113    .has_surface_tile_offset = true
 114
 115 static const struct brw_device_info brw_device_info_ivb_gt1 = {
 116    GEN7_FEATURES, .is_ivybridge = true, .gt = 1,
 117    .needs_unlit_centroid_workaround = true,
 118    .max_vs_threads = 36,
 119    .max_gs_threads = 36,
 120    .max_wm_threads = 48,
 121    .urb = {
 122       .size = 128,
 123       .min_vs_entries = 32,
 124       .max_vs_entries = 512,
 125       .max_gs_entries = 192,
 126    },
 127 };
 128
 129 static const struct brw_device_info brw_device_info_ivb_gt2 = {
 130    GEN7_FEATURES, .is_ivybridge = true, .gt = 2,
 131    .needs_unlit_centroid_workaround = true,
 132    .max_vs_threads = 128,
 133    .max_gs_threads = 128,
 134    .max_wm_threads = 172,
 135    .urb = {
 136       .size = 256,
 137       .min_vs_entries = 32,
 138       .max_vs_entries = 704,
 139       .max_gs_entries = 320,
 140    },
 141 };
 142
 143 static const struct brw_device_info brw_device_info_byt = {
 144    GEN7_FEATURES, .is_baytrail = true, .gt = 1,
 145    .needs_unlit_centroid_workaround = true,
 146    .has_llc = false,
 147    .max_vs_threads = 36,
 148    .max_gs_threads = 36,
 149    .max_wm_threads = 48,
 150    .urb = {
 151       .size = 128,
 152       .min_vs_entries = 32,
 153       .max_vs_entries = 512,
 154       .max_gs_entries = 192,
 155    },
 156 };
 157
 158 static const struct brw_device_info brw_device_info_hsw_gt1 = {
 159    GEN7_FEATURES, .is_haswell = true, .gt = 1,
 160    .max_vs_threads = 70,
 161    .max_gs_threads = 70,
 162    .max_wm_threads = 102,
 163    .urb = {
 164       .size = 128,
 165       .min_vs_entries = 32,
 166       .max_vs_entries = 640,
 167       .max_gs_entries = 256,
 168    },
 169 };
 170
 171 static const struct brw_device_info brw_device_info_hsw_gt2 = {
 172    GEN7_FEATURES, .is_haswell = true, .gt = 2,
 173    .max_vs_threads = 280,
 174    .max_gs_threads = 256,
 175    .max_wm_threads = 204,
 176    .urb = {
 177       .size = 256,
 178       .min_vs_entries = 64,
 179       .max_vs_entries = 1664,
 180       .max_gs_entries = 640,
 181    },
 182 };
 183
 184 static const struct brw_device_info brw_device_info_hsw_gt3 = {
 185    GEN7_FEATURES, .is_haswell = true, .gt = 3,
 186    .max_vs_threads = 280,
 187    .max_gs_threads = 256,
 188    .max_wm_threads = 408,
 189    .urb = {
 190       .size = 512,
 191       .min_vs_entries = 64,
 192       .max_vs_entries = 1664,
 193       .max_gs_entries = 640,
 194    },
 195 };
 196
 197 #define GEN8_FEATURES                               \
 198    .gen = 8,                                        \
 199    .has_hiz_and_separate_stencil = true,            \
 200    .must_use_separate_stencil = true,               \
 201    .has_llc = true,                                 \
 202    .has_pln = true,                                 \
 203    .max_vs_threads = 504,                           \
 204    .max_gs_threads = 504,                           \
 205    .max_wm_threads = 384                            \
 206
 207 static const struct brw_device_info brw_device_info_bdw_gt1 = {
 208    GEN8_FEATURES, .gt = 1,
 209    .urb = {
 210       .size = 192,
 211       .min_vs_entries = 64,
 212       .max_vs_entries = 2560,
 213       .max_gs_entries = 960,
 214    }
 215 };
 216
 217 static const struct brw_device_info brw_device_info_bdw_gt2 = {
 218    GEN8_FEATURES, .gt = 2,
 219    .urb = {
 220       .size = 384,
 221       .min_vs_entries = 64,
 222       .max_vs_entries = 2560,
 223       .max_gs_entries = 960,
 224    }
 225 };
 226
 227 static const struct brw_device_info brw_device_info_bdw_gt3 = {
 228    GEN8_FEATURES, .gt = 3,
 229    .urb = {
 230       .size = 384,
 231       .min_vs_entries = 64,
 232       .max_vs_entries = 2560,
 233       .max_gs_entries = 960,
 234    }
 235 };
 236
 237 /* Thread counts and URB limits are placeholders, and may not be accurate.
 238  * These were copied from Haswell GT1, above.
 239  */
 240 static const struct brw_device_info brw_device_info_chv = {
 241    GEN8_FEATURES, .is_cherryview = 1, .gt = 1,
 242    .has_llc = false,
 243    .max_vs_threads = 70,
 244    .max_gs_threads = 70,
 245    .max_wm_threads = 102,
 246    .urb = {
 247       .size = 128,
 248       .min_vs_entries = 64,
 249       .max_vs_entries = 640,
 250       .max_gs_entries = 256,
 251    }
 252 };
 253
 254 const struct brw_device_info *
 255 brw_get_device_info(int devid)
 256 {
 257    switch (devid) {
 258 #undef CHIPSET
 259 #define CHIPSET(id, family, name) case id: return &brw_device_info_##family;
 260 #include "pci_ids/i965_pci_ids.h"
 261    default:
 262       fprintf(stderr, "i965_dri.so does not support the 0x%x PCI ID.\n", devid);
 263       return NULL;
 264    }
 265 }