func (this *Window) initGL() { gl.ShadeModel(gl.SMOOTH) //SMOOTH or FLAT gl.CullFace(gl.BACK) gl.FrontFace(gl.CCW) gl.Enable(gl.CULL_FACE) gl.Enable(gl.DEPTH_TEST) gl.Enable(gl.LIGHTING) gl.Enable(gl.BLEND) gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA) /*gl.Enable(gl.FOG) gl.Fogi(gl.FOG_MODE, gl.EXP) gl.Fogfv(gl.FOG_COLOR, []float32{0.5,0.5,0.5,1.0}) gl.Fogf(gl.FOG_DENSITY, 0.0035) gl.Hint(gl.FOG_HINT, gl.DONT_CARE) gl.Fogf(gl.FOG_START, 1.0) gl.Fogf(gl.FOG_END , 5000.0)//*/ gl.Enable(gl.TEXTURE_2D) gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE) //before: decal, std: modulate //gl.TexParameteri(gl.TEXTURE_2D, gl.GENERATE_MIPMAP, true) //mipmaps (dont use it!, its bad!) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR) //GL_LINEAR or GL_NEAREST, no mipmap here gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR) //*/ gl.ClearColor(.1, .1, .1, 1) //gl.Enable(gl.PRIMITIVE_RESTART) //gl.PrimitiveRestartIndex() this.setGLViewport() }
func (this *Window) initGL() { runtime.LockOSThread() if gl.Init() != 0 { panic("gl init error") } gl.ShadeModel(gl.SMOOTH) gl.CullFace(gl.BACK) gl.FrontFace(gl.CCW) gl.Enable(gl.CULL_FACE) gl.Enable(gl.DEPTH_TEST) gl.Enable(gl.LIGHTING) gl.Enable(gl.BLEND) gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA) gl.Enable(gl.TEXTURE_2D) gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT) var magFilter, minFilter = gl.LINEAR, gl.LINEAR if globals.CreateMipmaps { minFilter = gl.LINEAR_MIPMAP_LINEAR } gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, magFilter) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, minFilter) gl.Enable(gl.NORMALIZE) gl.ClearColor(.1, .1, .1, 1) this.setGLViewport() }