| /**************************************************************************** |
| * Copyright (C) 2016 Intel Corporation. All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| ***************************************************************************/ |
| |
| #include "memory/InitMemory.h" |
| #include "util/u_cpu_detect.h" |
| #include "util/u_dl.h" |
| #include "swr_public.h" |
| #include "swr_screen.h" |
| |
| #include <stdio.h> |
| |
| // Helper function to resolve the backend filename based on architecture |
| static bool |
| swr_initialize_screen_interface(struct swr_screen *screen, const char arch[]) |
| { |
| #ifdef HAVE_SWR_BUILTIN |
| screen->pLibrary = NULL; |
| screen->pfnSwrGetInterface = SwrGetInterface; |
| screen->pfnSwrGetTileInterface = SwrGetTileIterface; |
| InitTilesTable(); |
| swr_print_info("(using: builtin).\n"); |
| #else |
| char filename[256] = { 0 }; |
| sprintf(filename, "%sswr%s%s", UTIL_DL_PREFIX, arch, UTIL_DL_EXT); |
| |
| screen->pLibrary = util_dl_open(filename); |
| if (!screen->pLibrary) { |
| fprintf(stderr, "(skipping: %s).\n", util_dl_error()); |
| return false; |
| } |
| |
| util_dl_proc pApiProc = util_dl_get_proc_address(screen->pLibrary, |
| "SwrGetInterface"); |
| util_dl_proc pTileApiProc = util_dl_get_proc_address(screen->pLibrary, |
| "SwrGetTileIterface"); |
| util_dl_proc pInitFunc = util_dl_get_proc_address(screen->pLibrary, |
| "InitTilesTable"); |
| if (!pApiProc || !pInitFunc || !pTileApiProc) { |
| fprintf(stderr, "(skipping: %s).\n", util_dl_error()); |
| util_dl_close(screen->pLibrary); |
| screen->pLibrary = NULL; |
| return false; |
| } |
| |
| screen->pfnSwrGetInterface = (PFNSwrGetInterface)pApiProc; |
| screen->pfnSwrGetTileInterface = (PFNSwrGetTileInterface)pTileApiProc; |
| |
| SWR_ASSERT(screen->pfnSwrGetInterface != nullptr); |
| SWR_ASSERT(screen->pfnSwrGetTileInterface != nullptr); |
| SWR_ASSERT(pInitFunc != nullptr); |
| |
| pInitFunc(); |
| |
| swr_print_info("(using: %s).\n", filename); |
| #endif |
| |
| return true; |
| } |
| |
| |
| struct pipe_screen * |
| swr_create_screen(struct sw_winsys *winsys) |
| { |
| struct pipe_screen *p_screen = swr_create_screen_internal(winsys); |
| if (!p_screen) { |
| return NULL; |
| } |
| |
| struct swr_screen *screen = swr_screen(p_screen); |
| screen->is_knl = false; |
| |
| util_cpu_detect(); |
| |
| if (util_cpu_caps.has_avx512f && util_cpu_caps.has_avx512er) { |
| swr_print_info("SWR detected KNL instruction support "); |
| #ifndef HAVE_SWR_KNL |
| swr_print_info("(skipping: not built).\n"); |
| #else |
| if (swr_initialize_screen_interface(screen, "KNL")) { |
| screen->is_knl = true; |
| return p_screen; |
| } |
| #endif |
| } |
| |
| if (util_cpu_caps.has_avx512f && util_cpu_caps.has_avx512bw) { |
| swr_print_info("SWR detected SKX instruction support "); |
| #ifndef HAVE_SWR_SKX |
| swr_print_info("(skipping not built).\n"); |
| #else |
| if (swr_initialize_screen_interface(screen, "SKX")) |
| return p_screen; |
| #endif |
| } |
| |
| if (util_cpu_caps.has_avx2) { |
| swr_print_info("SWR detected AVX2 instruction support "); |
| #ifndef HAVE_SWR_AVX2 |
| swr_print_info("(skipping not built).\n"); |
| #else |
| if (swr_initialize_screen_interface(screen, "AVX2")) |
| return p_screen; |
| #endif |
| } |
| |
| if (util_cpu_caps.has_avx) { |
| swr_print_info("SWR detected AVX instruction support "); |
| #ifndef HAVE_SWR_AVX |
| swr_print_info("(skipping not built).\n"); |
| #else |
| if (swr_initialize_screen_interface(screen, "AVX")) |
| return p_screen; |
| #endif |
| } |
| |
| fprintf(stderr, "SWR could not initialize a supported CPU architecture.\n"); |
| swr_destroy_screen_internal(&screen); |
| |
| return NULL; |
| } |
| |
| |
| #ifdef _WIN32 |
| // swap function called from libl_gdi.c |
| |
| void |
| swr_gdi_swap(struct pipe_screen *screen, |
| struct pipe_resource *res, |
| void *hDC) |
| { |
| screen->flush_frontbuffer(screen, |
| res, |
| 0, 0, |
| hDC, |
| NULL); |
| } |
| |
| #endif /* _WIN32 */ |