func DepthFunc(fn Enum) {
defer func() {
errstr := errDrain()
log.Printf("gl.DepthFunc(%v) %v", fn, errstr)
}()
C.glDepthFunc(fn.c())
}
func InitGL(width, height, msaa int, fullscreen bool) {
C.SDL_Init(C.SDL_INIT_VIDEO)
C.SDL_VideoInit( /*nil*/ C.SDL_GetVideoDriver(0))
C.SDL_GL_SetAttribute(C.SDL_GL_CONTEXT_MAJOR_VERSION, 3)
C.SDL_GL_SetAttribute(C.SDL_GL_CONTEXT_MINOR_VERSION, 2)
if msaa != 0 {
C.SDL_GL_SetAttribute(C.SDL_GL_MULTISAMPLEBUFFERS, 1)
C.SDL_GL_SetAttribute(C.SDL_GL_MULTISAMPLESAMPLES, C.int(msaa))
}
C.SDL_GL_SetAttribute(C.SDL_GL_DEPTH_SIZE, 16)
//win = C.SDL_CreateWindow(nil, C.SDL_WINDOWPOS_CENTERED, C.SDL_WINDOWPOS_CENTERED,C.int(width), C.int(height), C.SDL_WINDOW_OPENGL)
if fullscreen {
win = C.SDL_CreateWindow(nil, C.SDL_WINDOWPOS_CENTERED, C.SDL_WINDOWPOS_CENTERED, C.int(width), C.int(height), C.SDL_WINDOW_OPENGL|C.SDL_WINDOW_FULLSCREEN_DESKTOP)
} else {
win = C.SDL_CreateWindow(nil, C.SDL_WINDOWPOS_CENTERED, C.SDL_WINDOWPOS_CENTERED, C.int(width), C.int(height), C.SDL_WINDOW_OPENGL)
}
C.SDL_ShowWindow(win)
wat := C.SDL_GL_CreateContext(win)
fmt.Println(C.GoString(C.SDL_GetVideoDriver(0)))
C.SDL_GL_MakeCurrent(win, wat)
//C.SDL_GL_SetSwapInterval(1)
C.glEnable(C.GL_DEPTH_TEST)
C.glDepthFunc(C.GL_LEQUAL)
C.glClearColor(0.3, 0.5, 1, 0)
C.glClear(C.GL_COLOR_BUFFER_BIT | C.GL_DEPTH_BUFFER_BIT)
printerr("failed to initialize openGL")
}
func DepthFunc(fn Enum) {
C.glDepthFunc(fn.c())
}
func DepthFunc(
func_ Enum) {
C.glDepthFunc(
C.GLenum(func_))
}
func DepthFunc(f TestFunc) {
C.glDepthFunc(C.GLenum(f))
}
func DepthFunc(f uint) { C.glDepthFunc(C.GLenum(f)) }