st/wgl: dummy implementation of wgl swapinterval extension

Required as some applications
retrieve and call these functions regardless of the fact that we
don't advertise the extension and further more the results of
wglGetProcAddress are NULL.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/wgl/shared/stw_getprocaddress.c b/src/gallium/state_trackers/wgl/shared/stw_getprocaddress.c
index 8cacbb8926..54cc038905 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_getprocaddress.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_getprocaddress.c
@@ -56,6 +56,10 @@ static const struct stw_extension_entry stw_extension_entries[] = {
    /* WGL_EXT_extensions_string */
    STW_EXTENSION_ENTRY( wglGetExtensionsStringEXT ),
 
+   /* WGL_EXT_swap_interval */
+   STW_EXTENSION_ENTRY( wglGetSwapIntervalEXT ),
+   STW_EXTENSION_ENTRY( wglSwapIntervalEXT ),
+
    { NULL, NULL }
 };