2 * Copyright © 2013 Intel Corporation
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:
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
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
28 struct brw_device_info
30 int gen
; /**< Generation number: 4, 5, 6, 7, ... */
39 bool has_hiz_and_separate_stencil
;
40 bool must_use_separate_stencil
;
46 bool has_surface_tile_offset
;
52 bool has_negative_rhw_bug
;
55 * Some versions of Gen hardware don't do centroid interpolation correctly
56 * on unlit pixels, causing incorrect values for derivatives near triangle
57 * edges. Enabling this flag causes the fragment shader to use
58 * non-centroid interpolation for unlit pixels, at the expense of two extra
59 * fragment shader instructions.
61 bool needs_unlit_centroid_workaround
;
68 unsigned max_vs_threads
;
69 unsigned max_hs_threads
;
70 unsigned max_ds_threads
;
71 unsigned max_gs_threads
;
72 unsigned max_wm_threads
;
76 unsigned min_vs_entries
;
77 unsigned max_vs_entries
;
78 unsigned max_hs_entries
;
79 unsigned max_ds_entries
;
80 unsigned max_gs_entries
;
85 const struct brw_device_info
*brw_get_device_info(int devid
);