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Make sure that the OpenGL visual created for a window has a stencil 

buffer.
This commit is contained in:
Oliver Stieber 2005-07-05 10:58:41 +00:00 committed by Alexandre Julliard
parent f4ab6de6c0
commit d760208a5a
1 changed files with 16 additions and 4 deletions
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20
dlls/x11drv/opengl.c
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@ -474,14 +474,26 @@ BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev) {
XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
{
XVisualInfo *visual = NULL;
int dblBuf[]={GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_DOUBLEBUFFER,None};
/* In order to support OpenGL or D3D, we require a double-buffered visual and stencil buffer support, */
int dblBuf[] = {GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_STENCIL_SIZE,8,GLX_DOUBLEBUFFER,None};
if (!has_opengl()) return NULL;
/* In order to support OpenGL or D3D, we require a double-buffered visual */
wine_tsx11_lock();
visual = pglXChooseVisual(display, DefaultScreen(display), dblBuf);
wine_tsx11_unlock();
if (visual == NULL) {
/* fallback to a 1 bit stencil (opengl states that at least 1 bit of stencil must be provided for on of the available configurations) */
int dblBuf2[] = {GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_STENCIL_SIZE,1,GLX_DOUBLEBUFFER,None};
WARN("Failed to get a visual with at least 8 bits of stencil\n");
wine_tsx11_lock();
visual = pglXChooseVisual(display, DefaultScreen(display), dblBuf2);
wine_tsx11_unlock();
if (visual == NULL) {
/* This should only happen if we cannot fidn a match with a depth size 16 */
FIXME("Failed to find a suitable visual\n");
}
}
return visual;
}