src/gallium/drivers/swr/swr_loader.cpp

   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
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  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 *
  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
  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 */