Add D3D capability.

diff --git a/dlls/ddraw/d3ddevice/mesa.c b/dlls/ddraw/d3ddevice/mesa.c
index 0d5b95c..329b7b2 100644
--- a/dlls/ddraw/d3ddevice/mesa.c
+++ b/dlls/ddraw/d3ddevice/mesa.c
@@ -180,7 +180,7 @@
     d1->dlcLightingCaps.dwNumLights = 16; /* glGetIntegerv(GL_MAX_LIGHTS, &maxlight); d1->dlcLightingCaps.dwNumLights = maxlight; */
     fill_opengl_primcaps(&(d1->dpcLineCaps));
     fill_opengl_primcaps(&(d1->dpcTriCaps));
-    d1->dwDeviceRenderBitDepth  = DDBD_16;
+    d1->dwDeviceRenderBitDepth  = DDBD_16|DDBD_24;
     d1->dwDeviceZBufferBitDepth = DDBD_16;
     d1->dwMaxBufferSize = 0;
     d1->dwMaxVertexCount = 65536;