diff options
author | Michal Krol <michal@vmware.com> | 2009-12-12 16:48:32 +0100 |
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committer | Michal Krol <michal@vmware.com> | 2009-12-12 16:48:32 +0100 |
commit | a3eb0f718e19653a2ad8e49396c904183be456f3 (patch) | |
tree | 0092574c469ea586a6cab8b8ebb7ac62b8221a2a /src/gallium/state_trackers/wgl/stw_tls.c | |
parent | 491f384c3958067e6c4c994041f5d8d413b806bc (diff) | |
parent | 784cca9fa527de771754d76545970f78094b9adf (diff) |
Merge branch 'master' into glsl-pp-rework-2
Conflicts:
progs/perf/drawoverhead.c
progs/perf/teximage.c
progs/perf/vbo.c
progs/perf/vertexrate.c
src/mesa/shader/slang/library/slang_common_builtin_gc.h
Diffstat (limited to 'src/gallium/state_trackers/wgl/stw_tls.c')
-rw-r--r-- | src/gallium/state_trackers/wgl/stw_tls.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/wgl/stw_tls.c b/src/gallium/state_trackers/wgl/stw_tls.c new file mode 100644 index 0000000000..4bd6a9289c --- /dev/null +++ b/src/gallium/state_trackers/wgl/stw_tls.c @@ -0,0 +1,139 @@ +/************************************************************************** + * + * 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 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 "pipe/p_compiler.h" +#include "util/u_memory.h" +#include "stw_tls.h" + +static DWORD tlsIndex = TLS_OUT_OF_INDEXES; + +boolean +stw_tls_init(void) +{ + tlsIndex = TlsAlloc(); + if (tlsIndex == TLS_OUT_OF_INDEXES) { + return FALSE; + } + + return TRUE; +} + +static INLINE struct stw_tls_data * +stw_tls_data_create() +{ + struct stw_tls_data *data; + + data = CALLOC_STRUCT(stw_tls_data); + if (!data) + goto no_data; + + data->hCallWndProcHook = SetWindowsHookEx(WH_CALLWNDPROC, + stw_call_window_proc, + NULL, + GetCurrentThreadId()); + if(data->hCallWndProcHook == NULL) + goto no_hook; + + TlsSetValue(tlsIndex, data); + + return data; + +no_hook: + FREE(data); +no_data: + return NULL; +} + +boolean +stw_tls_init_thread(void) +{ + struct stw_tls_data *data; + + if (tlsIndex == TLS_OUT_OF_INDEXES) { + return FALSE; + } + + data = stw_tls_data_create(); + if(!data) + return FALSE; + + return TRUE; +} + +void +stw_tls_cleanup_thread(void) +{ + struct stw_tls_data *data; + + if (tlsIndex == TLS_OUT_OF_INDEXES) { + return; + } + + data = (struct stw_tls_data *) TlsGetValue(tlsIndex); + if(data) { + TlsSetValue(tlsIndex, NULL); + + if(data->hCallWndProcHook) { + UnhookWindowsHookEx(data->hCallWndProcHook); + data->hCallWndProcHook = NULL; + } + + FREE(data); + } +} + +void +stw_tls_cleanup(void) +{ + if (tlsIndex != TLS_OUT_OF_INDEXES) { + TlsFree(tlsIndex); + tlsIndex = TLS_OUT_OF_INDEXES; + } +} + +struct stw_tls_data * +stw_tls_get_data(void) +{ + struct stw_tls_data *data; + + if (tlsIndex == TLS_OUT_OF_INDEXES) { + return NULL; + } + + data = (struct stw_tls_data *) TlsGetValue(tlsIndex); + if(!data) { + /* DllMain is called with DLL_THREAD_ATTACH only by threads created after + * the DLL is loaded by the process */ + data = stw_tls_data_create(); + if(!data) + return NULL; + } + + return data; +} |