On Saturday 07 May 2005 12:41, Stefan Dösinger wrote:
> > >I switched to the Xorg radeon driver which has 16 bpp support(the 2nd
> > > column shows 16 now), and made sure that hl runs with 16bpp, but the
> > > error still occurs.
> >
> > Yes it don't work,
> > because you speak about frame buffer (named Color buffer on traces) when
> > you speak about 16bpp. I spoke about depth buffer
>
> Good, thanks for explaining this to me. I mixed the two buffers.
> Well, HL doesn't offer any depth buffer setting. There's only one console
> command, "gl_zmax", which is supposed to set the maximum depth buffer size.
> The default is 4096, and changing this value has no effect on the error.(HL
> still tries to get a 32 bit depth buffer)
:(

> I sort of fixed the problem for me by forcing the depth buffer to 24 bit in
> dlls/x11drv/opengl.c, but I understand that this is not a real solution. Is
> there any chance for a better fix? I have no chance to fix this in the game
> nor in the video driver

I will see how we can have a better fix but for now can you try attached 
patch ?

> Stefan

Regards,
Raphael
Index: opengl.c
===================================================================
RCS file: /home/wine/wine/dlls/x11drv/opengl.c,v
retrieving revision 1.5
diff -u -r1.5 opengl.c
--- opengl.c	28 Apr 2005 18:29:12 -0000	1.5
+++ opengl.c	9 May 2005 00:33:11 -0000
@@ -203,7 +203,15 @@
   if (ppfd->iPixelType == PFD_TYPE_RGBA) {
     ADD2(GLX_RENDER_TYPE, GLX_RGBA_BIT);
     ADD2(GLX_BUFFER_SIZE, ppfd->cColorBits);
-    TEST_AND_ADD2(ppfd->cDepthBits, GLX_DEPTH_SIZE, ppfd->cDepthBits);
+    if (32 == ppfd->cDepthBits) {
+      /**
+       * for 32 bpp depth buffers force to use 24.
+       * needed as some drivers don't support 32bpp
+       */
+      TEST_AND_ADD2(ppfd->cDepthBits, GLX_DEPTH_SIZE, 24);
+    } else {
+      TEST_AND_ADD2(ppfd->cDepthBits, GLX_DEPTH_SIZE, ppfd->cDepthBits);
+    }
     TEST_AND_ADD2(ppfd->cAlphaBits, GLX_ALPHA_SIZE, ppfd->cAlphaBits);
   }
   TEST_AND_ADD2(ppfd->cStencilBits, GLX_STENCIL_SIZE, ppfd->cStencilBits);

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