Adding modding folder with a hacked build.

modding/hacked/ui/opengl/Program.go

@@ -0,0 +1,35 @@
+package opengl
+
+// LinkNewProgram creates a new shader program based on the provided shaders.
+func LinkNewProgram(gl OpenGL, shaders ...uint32) (program uint32, err error) {
+	program = gl.CreateProgram()
+
+	for _, shader := range shaders {
+		gl.AttachShader(program, shader)
+	}
+	gl.LinkProgram(program)
+
+	if gl.GetProgramParameter(program, LINK_STATUS) == 0 {
+		err = ShaderError{Log: gl.GetProgramInfoLog(program)}
+		gl.DeleteProgram(program)
+		program = 0
+	}
+
+	return
+}
+
+// LinkNewStandardProgram creates a new shader based on two shader sources.
+func LinkNewStandardProgram(gl OpenGL, vertexShaderSource, fragmentShaderSource string) (program uint32, err error) {
+	vertexShader, vertexErr := CompileNewShader(gl, VERTEX_SHADER, vertexShaderSource)
+	if vertexErr != nil {
+		return 0, NamedShaderError{Name: "vertexShader", Nested: vertexErr}
+	}
+	defer gl.DeleteShader(vertexShader)
+	fragmentShader, fragmentErr := CompileNewShader(gl, FRAGMENT_SHADER, fragmentShaderSource)
+	if fragmentErr != nil {
+		return 0, NamedShaderError{Name: "fragmentShader", Nested: fragmentErr}
+	}
+	defer gl.DeleteShader(fragmentShader)
+
+	return LinkNewProgram(gl, vertexShader, fragmentShader)
+}