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  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.  
  25. #pragma once
  26. #include <stdbool.h>
  27.  
  28. struct brw_device_info
  29. {
  30.    int gen; /**< Generation number: 4, 5, 6, 7, ... */
  31.    int gt;
  32.  
  33.    bool is_g4x;
  34.    bool is_ivybridge;
  35.    bool is_baytrail;
  36.    bool is_haswell;
  37.    bool is_cherryview;
  38.  
  39.    bool has_hiz_and_separate_stencil;
  40.    bool must_use_separate_stencil;
  41.  
  42.    bool has_llc;
  43.  
  44.    bool has_pln;
  45.    bool has_compr4;
  46.    bool has_surface_tile_offset;
  47.    bool supports_simd16_3src;
  48.  
  49.    /**
  50.     * Quirks:
  51.     *  @{
  52.     */
  53.    bool has_negative_rhw_bug;
  54.  
  55.    /**
  56.     * Some versions of Gen hardware don't do centroid interpolation correctly
  57.     * on unlit pixels, causing incorrect values for derivatives near triangle
  58.     * edges.  Enabling this flag causes the fragment shader to use
  59.     * non-centroid interpolation for unlit pixels, at the expense of two extra
  60.     * fragment shader instructions.
  61.     */
  62.    bool needs_unlit_centroid_workaround;
  63.    /** @} */
  64.  
  65.    /**
  66.     * GPU Limits:
  67.     *  @{
  68.     */
  69.    unsigned max_vs_threads;
  70.    unsigned max_hs_threads;
  71.    unsigned max_ds_threads;
  72.    unsigned max_gs_threads;
  73.    unsigned max_wm_threads;
  74.    unsigned max_cs_threads;
  75.  
  76.    struct {
  77.       unsigned size;
  78.       unsigned min_vs_entries;
  79.       unsigned max_vs_entries;
  80.       unsigned max_hs_entries;
  81.       unsigned max_ds_entries;
  82.       unsigned max_gs_entries;
  83.    } urb;
  84.    /** @} */
  85. };
  86.  
  87. const struct brw_device_info *brw_get_device_info(int devid, int revision);
  88.