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
  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 #include "swr_screen.h"
  28
  29 #include <stdio.h>
  30
  31 struct pipe_screen *
  32 swr_create_screen(struct sw_winsys *winsys)
  33 {
  34    char filename[256] = { 0 };
  35    fprintf(stderr, "SWR detected ");
  36
  37    util_dl_library *pLibrary = nullptr;
  38
  39    util_cpu_detect();
  40
  41    bool is_knl = false;
  42
  43    if (!strlen(filename) &&
  44        util_cpu_caps.has_avx512f && util_cpu_caps.has_avx512er) {
  45 #if HAVE_SWR_KNL
  46       fprintf(stderr, "KNL ");
  47       sprintf(filename, "%s%s%s", UTIL_DL_PREFIX, "swrKNL", UTIL_DL_EXT);
  48       is_knl = true;
  49 #else
  50       fprintf(stderr, "KNL (not built) ");
  51 #endif
  52    }
  53
  54    if (!strlen(filename) &&
  55        util_cpu_caps.has_avx512f && util_cpu_caps.has_avx512bw) {
  56 #if HAVE_SWR_SKX
  57       fprintf(stderr, "SKX ");
  58       sprintf(filename, "%s%s%s", UTIL_DL_PREFIX, "swrSKX", UTIL_DL_EXT);
  59 #else
  60       fprintf(stderr, "SKX (not built) ");
  61 #endif
  62    }
  63
  64    if (!strlen(filename) && util_cpu_caps.has_avx2) {
  65 #if HAVE_SWR_AVX2
  66       fprintf(stderr, "AVX2 ");
  67       sprintf(filename, "%s%s%s", UTIL_DL_PREFIX, "swrAVX2", UTIL_DL_EXT);
  68 #else
  69       fprintf(stderr, "AVX2 (not built) ");
  70 #endif
  71    }
  72
  73    if (!strlen(filename) && util_cpu_caps.has_avx) {
  74 #if HAVE_SWR_AVX
  75       fprintf(stderr, "AVX ");
  76       sprintf(filename, "%s%s%s", UTIL_DL_PREFIX, "swrAVX", UTIL_DL_EXT);
  77 #else
  78       fprintf(stderr, "AVX (not built) ");
  79 #endif
  80    }
  81
  82    if (!strlen(filename)) {
  83       fprintf(stderr, "- no appropriate swr architecture library.  Aborting!\n");
  84       exit(-1);
  85    } else {
  86       fprintf(stderr, "\n");
  87    }
  88
  89    pLibrary = util_dl_open(filename);
  90
  91    if (!pLibrary) {
  92       fprintf(stderr, "SWR library load failure: %s\n", util_dl_error());
  93       exit(-1);
  94    }
  95
  96    util_dl_proc pApiProc = util_dl_get_proc_address(pLibrary, "SwrGetInterface");
  97
  98    if (!pApiProc) {
  99       fprintf(stderr, "SWR library search failure: %s\n", util_dl_error());
 100       exit(-1);
 101    }
 102
 103    struct pipe_screen *screen = swr_create_screen_internal(winsys);
 104    swr_screen(screen)->pfnSwrGetInterface = (PFNSwrGetInterface)pApiProc;
 105    swr_screen(screen)->is_knl = is_knl;
 106
 107    return screen;
 108 }
 109
 110
 111 #ifdef _WIN32
 112 // swap function called from libl_gdi.c
 113
 114 void
 115 swr_gdi_swap(struct pipe_screen *screen,
 116              struct pipe_resource *res,
 117              void *hDC)
 118 {
 119    screen->flush_frontbuffer(screen,
 120                              res,
 121                              0, 0,
 122                              hDC,
 123                              NULL);
 124 }
 125
 126 #endif /* _WIN32 */