Supports the ALPHAFUNC and ALPHAREF rendering states.

diff --git a/dlls/ddraw/d3ddevice/mesa.c b/dlls/ddraw/d3ddevice/mesa.c
index e1e7101..a2b9c36 100644
--- a/dlls/ddraw/d3ddevice/mesa.c
+++ b/dlls/ddraw/d3ddevice/mesa.c
@@ -1662,7 +1662,9 @@
     gl_object->render_state.dst = GL_ZERO;
     gl_object->render_state.mag = GL_NEAREST;
     gl_object->render_state.min = GL_NEAREST;
-
+    gl_object->render_state.alpha_ref = 0.0; /* No actual idea about the real default value... */
+    gl_object->render_state.alpha_func = GL_ALWAYS; /* Here either but it seems logical */
+    
     /* Allocate memory for the matrices */
     gl_object->world_mat = (D3DMATRIX *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 16 * sizeof(float));
     gl_object->view_mat  = (D3DMATRIX *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 16 * sizeof(float));