diff options
Diffstat (limited to 'src/gallium/targets/libgl-gdi/gdi_softpipe_winsys.c')
-rw-r--r-- | src/gallium/targets/libgl-gdi/gdi_softpipe_winsys.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/gallium/targets/libgl-gdi/gdi_softpipe_winsys.c b/src/gallium/targets/libgl-gdi/gdi_softpipe_winsys.c new file mode 100644 index 0000000000..4ac507ff9c --- /dev/null +++ b/src/gallium/targets/libgl-gdi/gdi_softpipe_winsys.c @@ -0,0 +1,124 @@ +/************************************************************************** + * + * Copyright 2009 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 + * LLVMpipe support. + * + * @author Jose Fonseca <jfonseca@vmware.com> + */ + + +#include <windows.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" + + +static struct pipe_screen * +gdi_softpipe_screen_create(void) +{ + static struct sw_winsys *winsys; + struct pipe_screen *screen; + + winsys = gdi_create_sw_winsys(); + if(!winsys) + goto no_winsys; + + screen = softpipe_create_screen(winsys); + if(!screen) + goto no_screen; + + return screen; + +no_screen: + winsys->destroy(winsys); +no_winsys: + return NULL; +} + + + + +static void +gdi_softpipe_present(struct pipe_screen *screen, + struct pipe_surface *surface, + HDC hDC) +{ + /* This will fail if any interposing layer (trace, debug, etc) has + * been introduced between the state-trackers and softpipe. + * + * 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... + */ + gdi_sw_display(softpipe_screen(screen)->winsys, + softpipe_resource(surface->texture)->dt, + hDC); +} + + +static const struct stw_winsys stw_winsys = { + &gdi_softpipe_screen_create, + &gdi_softpipe_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; +} |