Example #1
0
//GetVideoModes returns an array of all video modes supported by the monitor.
//The returned array is sorted in ascending order, first by color bit depth
//(the sum of all channel depths) and then by resolution area (the product of
//width and height).
func (m *Monitor) GetVideoModes() ([]*VideoMode, error) {
	var length int

	vC := C.glfwGetVideoModes(m.data, (*C.int)(unsafe.Pointer(&length)))
	if vC == nil {
		return nil, errors.New("Can't get the video mode list.")
	}

	v := make([]*VideoMode, length)

	for i := 0; i < length; i++ {
		t := C.GetVidmodeAtIndex(vC, C.int(i))
		v[i] = &VideoMode{int(t.width), int(t.height), int(t.redBits), int(t.greenBits), int(t.blueBits), int(t.refreshRate)}
	}

	return v, nil
}
Example #2
0
// GetVideoModes returns an array of all video modes supported by the monitor.
// The returned array is sorted in ascending order, first by color bit depth
// (the sum of all channel depths) and then by resolution area (the product of
// width and height).
func (m *Monitor) GetVideoModes() []*VidMode {
	var length int

	vC := C.glfwGetVideoModes(m.data, (*C.int)(unsafe.Pointer(&length)))
	panicError()
	if vC == nil {
		return nil
	}

	v := make([]*VidMode, length)

	for i := 0; i < length; i++ {
		t := C.GetVidmodeAtIndex(vC, C.int(i))
		v[i] = &VidMode{int(t.width), int(t.height), int(t.redBits), int(t.greenBits), int(t.blueBits), int(t.refreshRate)}
	}

	return v
}
Example #3
0
File: glfw.go Project: andrebq/glfw
// VideoModes returns a list of supported video modes.
//
// The returned list is sorted, first by color depth (RedBits + GreenBits + BlueBits),
// and then by resolution (W idth × Height), with the lowest resolution, fewest
// bits per pixel mode first.
func VideoModes(max int) []*VidMode {
	var vm C.GLFWvidmode

	size := int(unsafe.Sizeof(vm))
	ptr := (*C.GLFWvidmode)(C.malloc(C.size_t(size * max)))
	defer C.free(unsafe.Pointer(ptr))
	count := C.glfwGetVideoModes(ptr, C.int(max))

	if count == 0 {
		return nil
	}

	list := make([]*VidMode, count)
	for i := range list {
		p := (*C.GLFWvidmode)(unsafe.Pointer(uintptr(unsafe.Pointer(ptr)) + uintptr(i*size)))
		list[i] = vidModeFromPtr(p)
	}

	return list
}