From: Morgan Armand <morgan.devel@gmail.com>
Date: Wed, 2 Nov 2011 19:12:39 +0000 (+0100)
Subject: wglSetPixelFormat should ignore the ppfd parameter.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c7fc4067ebd4758dd7566b20169a428dc8926c8d;p=mesa.git

wglSetPixelFormat should ignore the ppfd parameter.

Signed-off-by: José Fonseca <jfonseca@vmware.com>
---

diff --git a/src/gallium/state_trackers/wgl/stw_wgl.c b/src/gallium/state_trackers/wgl/stw_wgl.c
index 5fbb7bf7cfd..d38bfbefdd7 100644
--- a/src/gallium/state_trackers/wgl/stw_wgl.c
+++ b/src/gallium/state_trackers/wgl/stw_wgl.c
@@ -172,8 +172,10 @@ wglSetPixelFormat(
    int iPixelFormat,
    const PIXELFORMATDESCRIPTOR *ppfd )
 {
-   if (ppfd->nSize != sizeof( PIXELFORMATDESCRIPTOR ))
-      return FALSE;
+    /* SetPixelFormat (hence wglSetPixelFormat) must not touch ppfd, per
+     * http://msdn.microsoft.com/en-us/library/dd369049(v=vs.85).aspx
+     */
+   (void) ppfd;
 
    return DrvSetPixelFormat( hdc, iPixelFormat );
 }
diff --git a/src/mesa/drivers/windows/gdi/wgl.c b/src/mesa/drivers/windows/gdi/wgl.c
index 33baabee63f..61850c26ffb 100644
--- a/src/mesa/drivers/windows/gdi/wgl.c
+++ b/src/mesa/drivers/windows/gdi/wgl.c
@@ -335,9 +335,13 @@ WINGDIAPI BOOL GLAPIENTRY wglSetPixelFormat(HDC hdc,int iPixelFormat,
 					const PIXELFORMATDESCRIPTOR *ppfd)
 {
     (void) hdc;
-    
-    if(iPixelFormat < 1 || iPixelFormat > npfd || 
-       ppfd->nSize != sizeof(PIXELFORMATDESCRIPTOR)) {
+
+    /* SetPixelFormat (hence wglSetPixelFormat) must not touch ppfd, per
+     * http://msdn.microsoft.com/en-us/library/dd369049(v=vs.85).aspx
+     */
+    (void) ppfd;
+
+    if(iPixelFormat < 1 || iPixelFormat > npfd) {
 	SetLastError(0);
 	return(FALSE);
     }