glDepthRange and glPolygonOffset.

src/gl.c

@@ -77,6 +77,20 @@ int lglBlitFramebuffer( lua_State* L ) {
 ## OpenGL - State Management
 */
 
+/*
+> RL.glDepthRange( float nearVal, float farVal )
+
+Specify mapping of depth values from normalized device coordinates to window coordinates
+*/
+int lglDepthRange( lua_State* L ) {
+	float nearVal = luaL_checknumber( L, 1 );
+	float farVal = luaL_checknumber( L, 2 );
+
+	glDepthRange( nearVal, farVal );
+
+	return 0;
+}
+
 /*
 > RL.glEnable( int cap )
 
@@ -103,6 +117,20 @@ int lglDisable( lua_State* L ) {
 	return 0;
 }
 
+/*
+> RL.glPolygonOffset( float factor, float units )
+
+Set the scale and units used to calculate depth values
+*/
+int lglPolygonOffset( lua_State* L ) {
+	float factor = luaL_checknumber( L, 1 );
+	float units = luaL_checknumber( L, 2 );
+
+	glPolygonOffset( factor, units );
+
+	return 0;
+}
+
 /*
 > RL.glStencilFunc( int func, int ref, int mask )