Roderick Colenbrander : winex11.drv: Limit formats to nMaxFormats in wglChoosePixelFormatARB.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9e73f7a6df5cdfe4cbe714224ad36df776c02af5
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=9e73f7a6df5cdfe4cbe714224a...

Author: Roderick Colenbrander 
Date:   Wed Jun  6 21:55:34 2012 -0700

winex11.drv: Limit formats to nMaxFormats in wglChoosePixelFormatARB.

---

dlls/winex11.drv/opengl.c |   11 +++++------
 1 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/dlls/winex11.drv/opengl.c b/dlls/winex11.drv/opengl.c
index c84226b..3bdf771 100644
--- a/dlls/winex11.drv/opengl.c
+++ b/dlls/winex11.drv/opengl.c
@@ -2903,10 +2903,11 @@ static GLboolean WINAPI X11DRV_wglChoosePixelFormatARB(HDC hdc, const int *piAtt
     }

/* Loop through all matching formats and check if they are suitable.
-    * Note that this function should at max return nMaxFormats different formats */
+     * Note that this function should at max return nMaxFormats different formats */
     for(run=0; run < 2; run++)
     {
-        for (it = 0; it < nCfgs; ++it) {
+        for (it = 0; it < nCfgs && pfmt_it < nMaxFormats; ++it)
+        {
             gl_test = pglXGetFBConfigAttrib(gdi_display, cfgs[it], GLX_FBCONFIG_ID, &fmt_id);
             if (gl_test) {
                 ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
@@ -2922,10 +2923,8 @@ static GLboolean WINAPI X11DRV_wglChoosePixelFormatARB(HDC hdc, const int *piAtt
             if( ((run == 0) && fmt->offscreenOnly) || ((run == 1) && !fmt->offscreenOnly) )
                 continue;

-            if(pfmt_it < nMaxFormats) {
-                piFormats[pfmt_it] = fmt->iPixelFormat;
-                TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d)\n", it + 1, nCfgs, fmt_id, piFormats[pfmt_it]);
-            }
+            piFormats[pfmt_it] = fmt->iPixelFormat;
+            TRACE("at %d/%d found FBCONFIG_ID 0x%x (%d)\n", it + 1, nCfgs, fmt_id, piFormats[pfmt_it]);
             pfmt_it++;
         }
     }