1 /****************************************************************************
2 * Copyright (C) 2016 Intel Corporation. All Rights Reserved.
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 "util/u_cpu_detect.h"
25 #include "util/u_dl.h"
26 #include "swr_public.h"
27
28 #include "pipe/p_screen.h"
29
30 #include <stdio.h>
31
32 typedef pipe_screen *(*screen_create_proc)(struct sw_winsys *winsys);
33
34 struct pipe_screen *
swr_create_screen(struct sw_winsys * winsys)35 swr_create_screen(struct sw_winsys *winsys)
36 {
37 char filename[256];
38 fprintf(stderr, "SWR detected ");
39
40 util_dl_library *pLibrary = nullptr;
41
42 util_cpu_detect();
43 if (util_cpu_caps.has_avx2) {
44 fprintf(stderr, "AVX2\n");
45 sprintf(filename, "%s%s%s", UTIL_DL_PREFIX, "swrAVX2", UTIL_DL_EXT);
46 } else if (util_cpu_caps.has_avx) {
47 fprintf(stderr, "AVX\n");
48 sprintf(filename, "%s%s%s", UTIL_DL_PREFIX, "swrAVX", UTIL_DL_EXT);
49 } else {
50 fprintf(stderr, "no AVX/AVX2 support. Aborting!\n");
51 exit(-1);
52 }
53 pLibrary = util_dl_open(filename);
54
55 if (!pLibrary) {
56 fprintf(stderr, "SWR library load failure: %s\n", util_dl_error());
57 exit(-1);
58 }
59
60 util_dl_proc pScreenProc = util_dl_get_proc_address(pLibrary, "swr_create_screen_internal");
61
62 if (!pScreenProc) {
63 fprintf(stderr, "SWR library search failure: %s\n", util_dl_error());
64 exit(-1);
65 }
66
67 screen_create_proc pScreenCreate = (screen_create_proc)pScreenProc;
68
69 return pScreenCreate(winsys);
70 }
71
72
73 #ifdef _WIN32
74 // swap function called from libl_gdi.c
75
76 void
swr_gdi_swap(struct pipe_screen * screen,struct pipe_resource * res,void * hDC)77 swr_gdi_swap(struct pipe_screen *screen,
78 struct pipe_resource *res,
79 void *hDC)
80 {
81 screen->flush_frontbuffer(screen,
82 res,
83 0, 0,
84 hDC,
85 NULL);
86 }
87
88 #endif /* _WIN32 */
89