Add DevIL 1.7.8.

libs/DevIL-1.7.8/examples/volume_example/3dtest.h

@@ -0,0 +1,25 @@
+#ifndef TEST3D_H
+#define TEST3D_H
+
+#define MAX_X 640
+#define MAX_Y 480
+
+void DisplayFunc(void);
+void CleanUp(void);
+void ExitClean(void);
+void ResizeFunc(int NewWidth, int NewHeight);
+void IdleFunc(void);
+void KeyboardFunc(unsigned char cChar, int nMouseX, int nMouseY);
+void KeySpecialFunc(int Key, int x, int y);
+void SetPerspective(float Fov);
+ILboolean Setup(void);
+ILboolean GenSides(void);
+
+ILboolean bCleaned = IL_FALSE;
+
+GLuint	TexID1 = 0, TexID2 = 0, TexID3 = 0, TexID4 = 0;
+ILuint	ImgId;
+
+float	Angle = 0.0, TransFactor = -470.0;
+
+#endif//TEST3D_H