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    .needs_unlit_centroid_workaround = true
 115
 116 static const struct brw_device_info brw_device_info_ivb_gt1 = {
 117    GEN7_FEATURES, .is_ivybridge = true, .gt = 1,
 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    .max_vs_threads = 128,
 132    .max_gs_threads = 128,
 133    .max_wm_threads = 172,
 134    .urb = {
 135       .size = 256,
 136       .min_vs_entries = 32,
 137       .max_vs_entries = 704,
 138       .max_gs_entries = 320,
 139    },
 140 };
 141
 142 static const struct brw_device_info brw_device_info_byt = {
 143    GEN7_FEATURES, .is_baytrail = true, .gt = 1,
 144    .has_llc = false,
 145    .max_vs_threads = 36,
 146    .max_gs_threads = 36,
 147    .max_wm_threads = 48,
 148    .urb = {
 149       .size = 128,
 150       .min_vs_entries = 32,
 151       .max_vs_entries = 512,
 152       .max_gs_entries = 192,
 153    },
 154 };
 155
 156 static const struct brw_device_info brw_device_info_hsw_gt1 = {
 157    GEN7_FEATURES, .is_haswell = true, .gt = 1,
 158    .max_vs_threads = 70,
 159    .max_gs_threads = 70,
 160    .max_wm_threads = 102,
 161    .urb = {
 162       .size = 128,
 163       .min_vs_entries = 32,
 164       .max_vs_entries = 640,
 165       .max_gs_entries = 256,
 166    },
 167 };
 168
 169 static const struct brw_device_info brw_device_info_hsw_gt2 = {
 170    GEN7_FEATURES, .is_haswell = true, .gt = 2,
 171    .max_vs_threads = 280,
 172    .max_gs_threads = 256,
 173    .max_wm_threads = 204,
 174    .urb = {
 175       .size = 256,
 176       .min_vs_entries = 64,
 177       .max_vs_entries = 1664,
 178       .max_gs_entries = 640,
 179    },
 180 };
 181
 182 static const struct brw_device_info brw_device_info_hsw_gt3 = {
 183    GEN7_FEATURES, .is_haswell = true, .gt = 3,
 184    .max_vs_threads = 280,
 185    .max_gs_threads = 256,
 186    .max_wm_threads = 408,
 187    .urb = {
 188       .size = 512,
 189       .min_vs_entries = 64,
 190       .max_vs_entries = 1664,
 191       .max_gs_entries = 640,
 192    },
 193 };
 194
 195 /* Thread counts and URB limits are placeholders, and may not be accurate. */
 196 #define GEN8_FEATURES                               \
 197    .gen = 8,                                        \
 198    .has_hiz_and_separate_stencil = true,            \
 199    .must_use_separate_stencil = true,               \
 200    .has_llc = true,                                 \
 201    .has_pln = true,                                 \
 202    .max_vs_threads = 280,                           \
 203    .max_gs_threads = 256,                           \
 204    .max_wm_threads = 408,                           \
 205    .urb = {                                         \
 206       .size = 128,                                  \
 207       .min_vs_entries = 64,                         \
 208       .max_vs_entries = 1664,                       \
 209       .max_gs_entries = 640,                        \
 210    }
 211
 212 static const struct brw_device_info brw_device_info_bdw_gt1 = {
 213    GEN8_FEATURES, .gt = 1,
 214 };
 215
 216 static const struct brw_device_info brw_device_info_bdw_gt2 = {
 217    GEN8_FEATURES, .gt = 2,
 218 };
 219
 220 static const struct brw_device_info brw_device_info_bdw_gt3 = {
 221    GEN8_FEATURES, .gt = 3,
 222 };
 223
 224 /* Thread counts and URB limits are placeholders, and may not be accurate.
 225  * These were copied from Haswell GT1, above.
 226  */
 227 static const struct brw_device_info brw_device_info_chv = {
 228    GEN8_FEATURES, .is_cherryview = 1, .gt = 1,
 229    .has_llc = false,
 230    .max_vs_threads = 70,
 231    .max_gs_threads = 70,
 232    .max_wm_threads = 102,
 233    .urb = {
 234       .max_vs_entries = 640,
 235       .max_gs_entries = 256,
 236    }
 237 };
 238
 239 const struct brw_device_info *
 240 brw_get_device_info(int devid)
 241 {
 242    switch (devid) {
 243 #undef CHIPSET
 244 #define CHIPSET(id, family, name) case id: return &brw_device_info_##family;
 245 #include "pci_ids/i965_pci_ids.h"
 246    default:
 247       fprintf(stderr, "i965_dri.so does not support the 0x%x PCI ID.\n", devid);
 248       return NULL;
 249    }
 250 }