From 4c11008eba9f58621bbbae430f8717176045b0ce Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 16 Jun 2015 15:32:46 -0600 Subject: [PATCH] st/wgl: fix WGL_SWAP_METHOD_ARB query There are three possible return values (not two): WGL_SWAP_COPY_ARB, WGL_SWAP_EXCHANGE_EXT and WGL_SWAP_UNDEFINED_ARB. VMware bug 1431184 Reviewed-by: Jose Fonseca Reviewed-by: Charmaine Lee --- src/gallium/state_trackers/wgl/stw_ext_pixelformat.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/gallium/state_trackers/wgl/stw_ext_pixelformat.c b/src/gallium/state_trackers/wgl/stw_ext_pixelformat.c index 9f466ba1735..e38086e86d7 100644 --- a/src/gallium/state_trackers/wgl/stw_ext_pixelformat.c +++ b/src/gallium/state_trackers/wgl/stw_ext_pixelformat.c @@ -88,7 +88,12 @@ stw_query_attrib( return TRUE; case WGL_SWAP_METHOD_ARB: - *pvalue = pfi->pfd.dwFlags & PFD_SWAP_COPY ? WGL_SWAP_COPY_ARB : WGL_SWAP_UNDEFINED_ARB; + if (pfi->pfd.dwFlags & PFD_SWAP_COPY) + *pvalue = WGL_SWAP_COPY_ARB; + else if (pfi->pfd.dwFlags & PFD_SWAP_EXCHANGE) + *pvalue = WGL_SWAP_EXCHANGE_EXT; + else + *pvalue = WGL_SWAP_UNDEFINED_ARB; return TRUE; case WGL_SWAP_LAYER_BUFFERS_ARB: -- 2.30.2