d3dx9: Implement D3DXGetShaderVersion().

dlls/d3dx9_36/d3dx9_36.spec

@@ -163,7 +163,7 @@
 @ stub D3DXGetShaderOutputSemantics
 @ stub D3DXGetShaderSamplers
 @ stdcall D3DXGetShaderSize(ptr)
-@ stub D3DXGetShaderVersion
+@ stdcall D3DXGetShaderVersion(ptr)
 @ stub D3DXGetVertexShaderProfile
 @ stdcall D3DXIntersect(ptr ptr ptr ptr ptr ptr ptr ptr ptr ptr) d3dx8.D3DXIntersect
 @ stdcall D3DXIntersectSubset(ptr long ptr ptr ptr ptr ptr ptr ptr ptr ptr) d3dx8.D3DXIntersectSubset

dlls/d3dx9_36/shader.c

@@ -47,3 +47,10 @@ UINT WINAPI D3DXGetShaderSize(const DWORD *byte_code)
     /* Return the shader size in bytes */
     return (ptr - byte_code) * sizeof(*ptr);
 }
+
+DWORD WINAPI D3DXGetShaderVersion(const DWORD *byte_code)
+{
+    TRACE("byte_code %p\n", byte_code);
+
+    return byte_code ? *byte_code : 0;
+}

include/d3dx9shader.h

@@ -26,6 +26,7 @@ extern "C" {
 #endif
 
 UINT WINAPI D3DXGetShaderSize(const DWORD *byte_code);
+DWORD WINAPI D3DXGetShaderVersion(const DWORD *byte_code);
 
 #ifdef __cplusplus
 }