wgl: Do not provide DllMain inside the state tracker.

MS CRT libraries already provide a default DllMain entrypoint, and
MS Linker will complain if it finds the same symbol in two different
libraries. Therefore the DllMain has to be in (each) winsys.

1 files changed, 16 insertions, 1 deletions

diff --git a/src/gallium/winsys/gdi/gdi_softpipe_winsys.c b/src/gallium/winsys/gdi/gdi_softpipe_winsys.c
index cb74b54742a..e981b4c5cd3 100644
--- a/src/gallium/winsys/gdi/gdi_softpipe_winsys.c
+++ b/src/gallium/winsys/gdi/gdi_softpipe_winsys.c
@@ -337,8 +337,23 @@ gdi_softpipe_flush_frontbuffer(struct pipe_winsys *winsys,
 }
 
 
-const struct stw_winsys stw_winsys = {
+static const struct stw_winsys stw_winsys = {
    &gdi_softpipe_screen_create,
    &gdi_softpipe_context_create,
    &gdi_softpipe_flush_frontbuffer
 };
+
+
+BOOL WINAPI
+DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)
+{
+   switch (fdwReason) {
+   case DLL_PROCESS_ATTACH:
+      return st_init(&stw_winsys);
+
+   case DLL_PROCESS_DETACH:
+      st_cleanup();
+      break;
+   }
+   return TRUE;
+}
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