ValidateVertexShader question.

[Louis. Lenders]

Hi,while testing codesamplers samples i found that www.codesampler.com/source/dx8_cg_vertex_displacement.zip
crashes in ValidateVertexShader(). I came across a mail from Oliver Stieber that stated that this functions takes 5, and not 4 parameters. Indeed the patch  below fixes the crash (however the screen remains black, but i think that's another bug) Anyone knows exactly what this (undocumented) function takes as parameters?

diff --git a/dlls/d3d8/d3d8.spec b/dlls/d3d8/d3d8.spec
index bc82cd0..466b74c 100644
--- a/dlls/d3d8/d3d8.spec
+++ b/dlls/d3d8/d3d8.spec
@@ -2,4 +2,4 @@
 @ stdcall DebugSetMute()
 @ stdcall Direct3DCreate8(long)
 @ stdcall ValidatePixelShader(ptr long long ptr)
-@ stdcall ValidateVertexShader(ptr long long ptr)
+@ stdcall ValidateVertexShader(ptr ptr ptr ptr ptr)
diff --git a/dlls/d3d8/d3d8_main.c b/dlls/d3d8/d3d8_main.c
index b7627ab..9f47ae1 100644
--- a/dlls/d3d8/d3d8_main.c
+++ b/dlls/d3d8/d3d8_main.c
@@ -73,11 +73,11 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL,
  *             ValidateVertexShader (D3D8.@)
  *
  * PARAMS
- * toto       result?
+ *
  */
-BOOL WINAPI ValidateVertexShader(LPVOID pFunction, int param1, int param2, LPVOID toto)
+BOOL WINAPI ValidateVertexShader(LPVOID x1, LPVOID x2, LPVOID x3, LPVOID x4, LPVOID x5)
 {
-  FIXME("(%p %d %d %p): stub\n", pFunction, param1, param2, toto);
+  FIXME("(%p %p %p %p %p): stub\n", x1, x2, x3, x4, x5);
   return TRUE;
 }



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