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