| /************************************************************************** |
| * |
| * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * 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 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 NON-INFRINGEMENT. |
| * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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. |
| * |
| **************************************************************************/ |
| |
| #include <windows.h> |
| |
| #include "glapi/glthread.h" |
| #include "util/u_debug.h" |
| #include "util/u_math.h" |
| #include "pipe/p_screen.h" |
| #include "state_tracker/st_public.h" |
| |
| #ifdef DEBUG |
| #include "trace/tr_screen.h" |
| #include "trace/tr_texture.h" |
| #endif |
| |
| #include "stw_device.h" |
| #include "stw_winsys.h" |
| #include "stw_pixelformat.h" |
| #include "stw_icd.h" |
| #include "stw_tls.h" |
| #include "stw_framebuffer.h" |
| |
| #ifdef WIN32_THREADS |
| extern _glthread_Mutex OneTimeLock; |
| extern void FreeAllTSD(void); |
| #endif |
| |
| |
| struct stw_device *stw_dev = NULL; |
| |
| |
| /** |
| * XXX: Dispatch pipe_screen::flush_front_buffer to our |
| * stw_winsys::flush_front_buffer. |
| */ |
| static void |
| stw_flush_frontbuffer(struct pipe_screen *screen, |
| struct pipe_surface *surface, |
| void *context_private ) |
| { |
| HDC hdc = (HDC)context_private; |
| struct stw_framebuffer *fb; |
| |
| fb = stw_framebuffer_from_hdc( hdc ); |
| if (!fb) { |
| /* fb can be NULL if window was destroyed already */ |
| return; |
| } |
| |
| stw_framebuffer_present_locked(hdc, fb, surface); |
| } |
| |
| |
| boolean |
| stw_init(const struct stw_winsys *stw_winsys) |
| { |
| static struct stw_device stw_dev_storage; |
| struct pipe_screen *screen; |
| |
| debug_printf("%s\n", __FUNCTION__); |
| |
| assert(!stw_dev); |
| |
| stw_tls_init(); |
| |
| stw_dev = &stw_dev_storage; |
| memset(stw_dev, 0, sizeof(*stw_dev)); |
| |
| #ifdef DEBUG |
| stw_dev->memdbg_no = debug_memory_begin(); |
| #endif |
| |
| stw_dev->stw_winsys = stw_winsys; |
| |
| #ifdef WIN32_THREADS |
| _glthread_INIT_MUTEX(OneTimeLock); |
| #endif |
| |
| screen = stw_winsys->create_screen(); |
| if(!screen) |
| goto error1; |
| |
| if(stw_winsys->get_adapter_luid) |
| stw_winsys->get_adapter_luid(screen, &stw_dev->AdapterLuid); |
| |
| #ifdef DEBUG |
| stw_dev->screen = trace_screen_create(screen); |
| stw_dev->trace_running = stw_dev->screen != screen ? TRUE : FALSE; |
| #else |
| stw_dev->screen = screen; |
| #endif |
| |
| stw_dev->screen->flush_frontbuffer = &stw_flush_frontbuffer; |
| |
| pipe_mutex_init( stw_dev->ctx_mutex ); |
| pipe_mutex_init( stw_dev->fb_mutex ); |
| |
| stw_dev->ctx_table = handle_table_create(); |
| if (!stw_dev->ctx_table) { |
| goto error1; |
| } |
| |
| stw_pixelformat_init(); |
| |
| return TRUE; |
| |
| error1: |
| stw_dev = NULL; |
| return FALSE; |
| } |
| |
| |
| boolean |
| stw_init_thread(void) |
| { |
| return stw_tls_init_thread(); |
| } |
| |
| |
| void |
| stw_cleanup_thread(void) |
| { |
| stw_tls_cleanup_thread(); |
| } |
| |
| |
| void |
| stw_cleanup(void) |
| { |
| unsigned i; |
| |
| debug_printf("%s\n", __FUNCTION__); |
| |
| if (!stw_dev) |
| return; |
| |
| pipe_mutex_lock( stw_dev->ctx_mutex ); |
| { |
| /* Ensure all contexts are destroyed */ |
| i = handle_table_get_first_handle(stw_dev->ctx_table); |
| while (i) { |
| DrvDeleteContext(i); |
| i = handle_table_get_next_handle(stw_dev->ctx_table, i); |
| } |
| handle_table_destroy(stw_dev->ctx_table); |
| } |
| pipe_mutex_unlock( stw_dev->ctx_mutex ); |
| |
| stw_framebuffer_cleanup(); |
| |
| pipe_mutex_destroy( stw_dev->fb_mutex ); |
| pipe_mutex_destroy( stw_dev->ctx_mutex ); |
| |
| stw_dev->screen->destroy(stw_dev->screen); |
| |
| #ifdef WIN32_THREADS |
| _glthread_DESTROY_MUTEX(OneTimeLock); |
| FreeAllTSD(); |
| #endif |
| |
| #ifdef DEBUG |
| debug_memory_end(stw_dev->memdbg_no); |
| #endif |
| |
| stw_tls_cleanup(); |
| |
| stw_dev = NULL; |
| } |
| |
| |
| struct stw_context * |
| stw_lookup_context_locked( DHGLRC dhglrc ) |
| { |
| if (dhglrc == 0) |
| return NULL; |
| |
| if (stw_dev == NULL) |
| return NULL; |
| |
| return (struct stw_context *) handle_table_get(stw_dev->ctx_table, dhglrc); |
| } |
| |
| |
| void APIENTRY |
| DrvSetCallbackProcs( |
| INT nProcs, |
| PROC *pProcs ) |
| { |
| size_t size; |
| |
| if (stw_dev == NULL) |
| return; |
| |
| size = MIN2(nProcs * sizeof *pProcs, sizeof stw_dev->callbacks); |
| memcpy(&stw_dev->callbacks, pProcs, size); |
| |
| return; |
| } |
| |
| |
| BOOL APIENTRY |
| DrvValidateVersion( |
| ULONG ulVersion ) |
| { |
| /* TODO: get the expected version from the winsys */ |
| return ulVersion == 1; |
| } |