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    .needs_unlit_centroid_workaround = true,
  45    .is_g4x = true,
  46    .max_vs_threads = 32,
  47    .max_gs_threads = 2,
  48    .max_wm_threads = 10 * 5,
  49    .urb = {
  50       .size = 384,
  51    },
  52 };
  53
  54 static const struct brw_device_info brw_device_info_ilk = {
  55    .gen = 5,
  56    .has_pln = true,
  57    .has_compr4 = true,
  58    .has_surface_tile_offset = true,
  59    .needs_unlit_centroid_workaround = true,
  60    .max_vs_threads = 72,
  61    .max_gs_threads = 32,
  62    .max_wm_threads = 12 * 6,
  63    .urb = {
  64       .size = 1024,
  65    },
  66 };
  67
  68 static const struct brw_device_info brw_device_info_snb_gt1 = {
  69    .gen = 6,
  70    .gt = 2,
  71    .has_hiz_and_separate_stencil = true,
  72    .has_llc = true,
  73    .has_pln = true,
  74    .has_surface_tile_offset = true,
  75    .needs_unlit_centroid_workaround = true,
  76    .max_vs_threads = 24,
  77    .max_gs_threads = 21, /* conservative; 24 if rendering disabled. */
  78    .max_wm_threads = 40,
  79    .urb = {
  80       .size = 32,
  81       .min_vs_entries = 24,
  82       .max_vs_entries = 256,
  83       .max_gs_entries = 256,
  84    },
  85 };
  86
  87 static const struct brw_device_info brw_device_info_snb_gt2 = {
  88    .gen = 6,
  89    .gt = 2,
  90    .has_hiz_and_separate_stencil = true,
  91    .has_llc = true,
  92    .has_pln = true,
  93    .has_surface_tile_offset = true,
  94    .needs_unlit_centroid_workaround = true,
  95    .max_vs_threads = 60,
  96    .max_gs_threads = 60,
  97    .max_wm_threads = 80,
  98    .urb = {
  99       .size = 64,
 100       .min_vs_entries = 24,
 101       .max_vs_entries = 256,
 102       .max_gs_entries = 256,
 103    },
 104 };
 105
 106 #define GEN7_FEATURES                               \
 107    .gen = 7,                                        \
 108    .has_hiz_and_separate_stencil = true,            \
 109    .must_use_separate_stencil = true,               \
 110    .has_llc = true,                                 \
 111    .has_pln = true,                                 \
 112    .has_surface_tile_offset = true,                 \
 113    .needs_unlit_centroid_workaround = true
 114
 115 static const struct brw_device_info brw_device_info_ivb_gt1 = {
 116    GEN7_FEATURES, .is_ivybridge = true, .gt = 1,
 117    .max_vs_threads = 36,
 118    .max_gs_threads = 36,
 119    .max_wm_threads = 48,
 120    .urb = {
 121       .size = 128,
 122       .min_vs_entries = 32,
 123       .max_vs_entries = 512,
 124       .max_gs_entries = 192,
 125    },
 126 };
 127
 128 static const struct brw_device_info brw_device_info_ivb_gt2 = {
 129    GEN7_FEATURES, .is_ivybridge = true, .gt = 2,
 130    .max_vs_threads = 128,
 131    .max_gs_threads = 128,
 132    .max_wm_threads = 172,
 133    .urb = {
 134       .size = 256,
 135       .min_vs_entries = 32,
 136       .max_vs_entries = 704,
 137       .max_gs_entries = 320,
 138    },
 139 };
 140
 141 static const struct brw_device_info brw_device_info_byt = {
 142    GEN7_FEATURES, .is_baytrail = true, .gt = 1,
 143    .has_llc = false,
 144    .max_vs_threads = 36,
 145    .max_gs_threads = 36,
 146    .max_wm_threads = 48,
 147    .urb = {
 148       .size = 128,
 149       .min_vs_entries = 32,
 150       .max_vs_entries = 512,
 151       .max_gs_entries = 192,
 152    },
 153 };
 154
 155 static const struct brw_device_info brw_device_info_hsw_gt1 = {
 156    GEN7_FEATURES, .is_haswell = true, .gt = 1,
 157    .max_vs_threads = 70,
 158    .max_gs_threads = 70,
 159    .max_wm_threads = 102,
 160    .urb = {
 161       .size = 128,
 162       .min_vs_entries = 32,
 163       .max_vs_entries = 640,
 164       .max_gs_entries = 256,
 165    },
 166 };
 167
 168 static const struct brw_device_info brw_device_info_hsw_gt2 = {
 169    GEN7_FEATURES, .is_haswell = true, .gt = 2,
 170    .max_vs_threads = 280,
 171    .max_gs_threads = 256,
 172    .max_wm_threads = 204,
 173    .urb = {
 174       .size = 256,
 175       .min_vs_entries = 64,
 176       .max_vs_entries = 1664,
 177       .max_gs_entries = 640,
 178    },
 179 };
 180
 181 static const struct brw_device_info brw_device_info_hsw_gt3 = {
 182    GEN7_FEATURES, .is_haswell = true, .gt = 3,
 183    .max_vs_threads = 280,
 184    .max_gs_threads = 256,
 185    .max_wm_threads = 408,
 186    .urb = {
 187       .size = 512,
 188       .min_vs_entries = 64,
 189       .max_vs_entries = 1664,
 190       .max_gs_entries = 640,
 191    },
 192 };
 193
 194 const struct brw_device_info *
 195 brw_get_device_info(int devid)
 196 {
 197    switch (devid) {
 198 #undef CHIPSET
 199 #define CHIPSET(id, family, name) case id: return &brw_device_info_##family;
 200 #include "pci_ids/i965_pci_ids.h"
 201    default:
 202       fprintf(stderr, "Unknown Intel device.");
 203       abort();
 204    }
 205 }