//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
}
// 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
}
// 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
}