d3d8: Display FIXME only once in ValidatePixelShader and ValidateVertexShader.

dlls/d3d8/d3d8_main.c

@@ -79,7 +79,12 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
 HRESULT WINAPI ValidateVertexShader(DWORD* vertexshader, DWORD* reserved1, DWORD* reserved2, BOOL bool, DWORD* toto)
 {
   HRESULT ret;
-  FIXME("(%p %p %p %d %p): stub\n", vertexshader, reserved1, reserved2, bool, toto);
+  static BOOL warned;
+
+  if (TRACE_ON(d3d8) || !warned) {
+      FIXME("(%p %p %p %d %p): stub\n", vertexshader, reserved1, reserved2, bool, toto);
+      warned = TRUE;
+  }
 
   if (!vertexshader)
       return E_FAIL;
@@ -109,7 +114,12 @@ HRESULT WINAPI ValidateVertexShader(DWORD* vertexshader, DWORD* reserved1, DWORD
 HRESULT WINAPI ValidatePixelShader(DWORD* pixelshader, DWORD* reserved1, BOOL bool, DWORD* toto)
 {
   HRESULT ret;
-  FIXME("(%p %p %d %p): stub\n", pixelshader, reserved1, bool, toto);
+  static BOOL warned;
+
+  if (TRACE_ON(d3d8) || !warned) {
+      FIXME("(%p %p %d %p): stub\n", pixelshader, reserved1, bool, toto);
+      warned = TRUE;
+  }
 
   if (!pixelshader)
       return E_FAIL;