| /************************************************************************** |
| * |
| * Copyright 2009-2010 VMware, Inc. |
| * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * |
| **************************************************************************/ |
| |
| /** |
| * @file |
| * Softpipe/LLVMpipe support. |
| * |
| * @author Jose Fonseca <jfonseca@vmware.com> |
| */ |
| |
| |
| #include <windows.h> |
| |
| #include "util/u_debug.h" |
| #include "stw_winsys.h" |
| #include "gdi/gdi_sw_winsys.h" |
| |
| #include "softpipe/sp_texture.h" |
| #include "softpipe/sp_screen.h" |
| #include "softpipe/sp_public.h" |
| |
| #ifdef HAVE_LLVMPIPE |
| #include "llvmpipe/lp_texture.h" |
| #include "llvmpipe/lp_screen.h" |
| #include "llvmpipe/lp_public.h" |
| #endif |
| |
| |
| static boolean use_llvmpipe = FALSE; |
| |
| |
| static struct pipe_screen * |
| gdi_screen_create(void) |
| { |
| const char *default_driver; |
| const char *driver; |
| struct pipe_screen *screen = NULL; |
| struct sw_winsys *winsys; |
| |
| winsys = gdi_create_sw_winsys(); |
| if(!winsys) |
| goto no_winsys; |
| |
| #ifdef HAVE_LLVMPIPE |
| default_driver = "llvmpipe"; |
| #else |
| default_driver = "softpipe"; |
| #endif |
| |
| driver = debug_get_option("GALLIUM_DRIVER", default_driver); |
| |
| #ifdef HAVE_LLVMPIPE |
| if (strcmp(driver, "llvmpipe") == 0) { |
| screen = llvmpipe_create_screen( winsys ); |
| } |
| #endif |
| |
| if (screen == NULL) { |
| screen = softpipe_create_screen( winsys ); |
| } else { |
| use_llvmpipe = TRUE; |
| } |
| |
| if(!screen) |
| goto no_screen; |
| |
| return screen; |
| |
| no_screen: |
| winsys->destroy(winsys); |
| no_winsys: |
| return NULL; |
| } |
| |
| |
| static void |
| gdi_present(struct pipe_screen *screen, |
| struct pipe_resource *res, |
| HDC hDC) |
| { |
| /* This will fail if any interposing layer (trace, debug, etc) has |
| * been introduced between the state-trackers and the pipe driver. |
| * |
| * Ideally this would get replaced with a call to |
| * pipe_screen::flush_frontbuffer(). |
| * |
| * Failing that, it may be necessary for intervening layers to wrap |
| * other structs such as this stw_winsys as well... |
| */ |
| |
| struct sw_winsys *winsys = NULL; |
| struct sw_displaytarget *dt = NULL; |
| |
| #ifdef HAVE_LLVMPIPE |
| if (use_llvmpipe) { |
| winsys = llvmpipe_screen(screen)->winsys; |
| dt = llvmpipe_resource(res)->dt; |
| gdi_sw_display(winsys, dt, hDC); |
| return; |
| } |
| #endif |
| |
| winsys = softpipe_screen(screen)->winsys, |
| dt = softpipe_resource(res)->dt, |
| gdi_sw_display(winsys, dt, hDC); |
| } |
| |
| |
| static const struct stw_winsys stw_winsys = { |
| &gdi_screen_create, |
| &gdi_present, |
| NULL, /* get_adapter_luid */ |
| NULL, /* shared_surface_open */ |
| NULL, /* shared_surface_close */ |
| NULL /* compose */ |
| }; |
| |
| |
| BOOL WINAPI |
| DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved) |
| { |
| switch (fdwReason) { |
| case DLL_PROCESS_ATTACH: |
| stw_init(&stw_winsys); |
| stw_init_thread(); |
| break; |
| |
| case DLL_THREAD_ATTACH: |
| stw_init_thread(); |
| break; |
| |
| case DLL_THREAD_DETACH: |
| stw_cleanup_thread(); |
| break; |
| |
| case DLL_PROCESS_DETACH: |
| stw_cleanup_thread(); |
| stw_cleanup(); |
| break; |
| } |
| return TRUE; |
| } |