1 /*
2 * Copyright (C) 2019 Collabora, Ltd.
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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 */
24
25 #include "pan_encoder.h"
26
27 /* Sampler comparison functions are flipped in OpenGL from the hardware, so we
28 * need to be able to flip accordingly */
29
30 enum mali_func
panfrost_flip_compare_func(enum mali_func f)31 panfrost_flip_compare_func(enum mali_func f)
32 {
33 switch (f) {
34 case MALI_FUNC_LESS:
35 return MALI_FUNC_GREATER;
36 case MALI_FUNC_GREATER:
37 return MALI_FUNC_LESS;
38 case MALI_FUNC_LEQUAL:
39 return MALI_FUNC_GEQUAL;
40 case MALI_FUNC_GEQUAL:
41 return MALI_FUNC_LEQUAL;
42 default:
43 return f;
44 }
45 }
46