// Toggles scissor-testing.
func (me RenderStates) ToggleScissorTest() {
if Cache.renderStates.ScissorTest = !Cache.renderStates.ScissorTest; Cache.renderStates.ScissorTest {
gl.Enable(gl.SCISSOR_TEST)
} else {
gl.Disable(gl.SCISSOR_TEST)
}
}
// Toggles blending.
func (me RenderStates) ToggleBlending() {
if Cache.renderStates.Blending = !Cache.renderStates.Blending; Cache.renderStates.Blending {
gl.Enable(gl.BLEND)
} else {
gl.Disable(gl.BLEND)
}
}
// Toggles depth-testing.
func (me RenderStates) ToggleDepthTest() {
if Cache.renderStates.DepthTest = !Cache.renderStates.DepthTest; Cache.renderStates.DepthTest {
gl.Enable(gl.DEPTH_TEST)
} else {
gl.Disable(gl.DEPTH_TEST)
}
}
// Toggles stencil-testing.
func (me RenderStates) ToggleStencilTest() {
if Cache.renderStates.StencilTest = !Cache.renderStates.StencilTest; Cache.renderStates.StencilTest {
gl.Enable(gl.STENCIL_TEST)
} else {
gl.Disable(gl.STENCIL_TEST)
}
}
// Toggles face-culling.
func (me RenderStates) ToggleFaceCulling() {
if Cache.renderStates.FaceCulling = !Cache.renderStates.FaceCulling; Cache.renderStates.FaceCulling {
gl.Enable(gl.CULL_FACE)
} else {
gl.Disable(gl.CULL_FACE)
}
}
// Toggles SRGB-framebuffer.
func (me RenderStates) ToggleFramebufferSrgb() {
if Cache.renderStates.FramebufferSrgb = !Cache.renderStates.FramebufferSrgb; Cache.renderStates.FramebufferSrgb {
gl.Enable(gl.FRAMEBUFFER_SRGB)
} else {
gl.Disable(gl.FRAMEBUFFER_SRGB)
}
}
// Activates or deactivates face-culling.
func (me RenderStates) SetFaceCulling(newFaceCulling bool) {
if Cache.renderStates.FaceCulling != newFaceCulling {
if Cache.renderStates.FaceCulling = newFaceCulling; Cache.renderStates.FaceCulling {
gl.Enable(gl.CULL_FACE)
} else {
gl.Disable(gl.CULL_FACE)
}
}
}
// Activates or deactivates depth-testing.
func (me RenderStates) SetDepthTest(newDepthTest bool) {
if Cache.renderStates.DepthTest != newDepthTest {
if Cache.renderStates.DepthTest = newDepthTest; Cache.renderStates.DepthTest {
gl.Enable(gl.DEPTH_TEST)
} else {
gl.Disable(gl.DEPTH_TEST)
}
}
}
// Activates or deactivates blending.
func (me RenderStates) SetBlending(newBlending bool) {
if Cache.renderStates.Blending != newBlending {
if Cache.renderStates.Blending = newBlending; Cache.renderStates.Blending {
gl.Enable(gl.BLEND)
} else {
gl.Disable(gl.BLEND)
}
}
}
// Activates or deactivates SRGB-framebuffer.
func (me RenderStates) SetFramebufferSrgb(newFramebufferSrgb bool) {
if Cache.renderStates.FramebufferSrgb != newFramebufferSrgb {
if Cache.renderStates.FramebufferSrgb = newFramebufferSrgb; Cache.renderStates.FramebufferSrgb {
gl.Enable(gl.FRAMEBUFFER_SRGB)
} else {
gl.Disable(gl.FRAMEBUFFER_SRGB)
}
}
}
// Activates or deactivates stencil-testing.
func (me RenderStates) SetStencilTest(newStencilTest bool) {
if Cache.renderStates.StencilTest != newStencilTest {
if Cache.renderStates.StencilTest = newStencilTest; Cache.renderStates.StencilTest {
gl.Enable(gl.STENCIL_TEST)
} else {
gl.Disable(gl.STENCIL_TEST)
}
}
}
// Activates or deactivates scissor-testing.
func (me RenderStates) SetScissorTest(newScissorTest bool) {
if Cache.renderStates.ScissorTest != newScissorTest {
if Cache.renderStates.ScissorTest = newScissorTest; Cache.renderStates.ScissorTest {
gl.Enable(gl.SCISSOR_TEST)
} else {
gl.Disable(gl.SCISSOR_TEST)
}
}
}
// Disables scissor-testing only if it is currently enabled.
func (me RenderStates) DisableScissorTest() {
if Cache.renderStates.ScissorTest {
Cache.renderStates.ScissorTest = false
gl.Disable(gl.SCISSOR_TEST)
}
}
// Deactivates blending.
func (_ RenderStates) ForceDisableBlending() {
Cache.renderStates.Blending = false
gl.Disable(gl.BLEND)
}
// Disables blending only if it is currently enabled.
func (me RenderStates) DisableBlending() {
if Cache.renderStates.Blending {
Cache.renderStates.Blending = false
gl.Disable(gl.BLEND)
}
}
// Deactivates depth-testing.
func (_ RenderStates) ForceDisableDepthTest() {
Cache.renderStates.DepthTest = false
gl.Disable(gl.DEPTH_TEST)
}
// Deactivates stencil-testing.
func (_ RenderStates) ForceDisableStencilTest() {
Cache.renderStates.StencilTest = false
gl.Disable(gl.STENCIL_TEST)
}
// Disables stencil-testing only if it is currently enabled.
func (me RenderStates) DisableStencilTest() {
if Cache.renderStates.StencilTest {
Cache.renderStates.StencilTest = false
gl.Disable(gl.STENCIL_TEST)
}
}
// Disables face-culling only if it is currently enabled.
func (me RenderStates) DisableFaceCulling() {
if Cache.renderStates.FaceCulling {
Cache.renderStates.FaceCulling = false
gl.Disable(gl.CULL_FACE)
}
}
// Deactivates scissor-testing.
func (_ RenderStates) ForceDisableScissorTest() {
Cache.renderStates.ScissorTest = false
gl.Disable(gl.SCISSOR_TEST)
}
// Disables depth-testing only if it is currently enabled.
func (me RenderStates) DisableDepthTest() {
if Cache.renderStates.DepthTest {
Cache.renderStates.DepthTest = false
gl.Disable(gl.DEPTH_TEST)
}
}
// Deactivates face-culling.
func (_ RenderStates) ForceDisableFaceCulling() {
Cache.renderStates.FaceCulling = false
gl.Disable(gl.CULL_FACE)
}
// Deactivates SRGB-framebuffer.
func (_ RenderStates) ForceDisableFramebufferSrgb() {
Cache.renderStates.FramebufferSrgb = false
gl.Disable(gl.FRAMEBUFFER_SRGB)
}
// Disables SRGB-framebuffer only if it is currently enabled.
func (me RenderStates) DisableFramebufferSrgb() {
if Cache.renderStates.FramebufferSrgb {
Cache.renderStates.FramebufferSrgb = false
gl.Disable(gl.FRAMEBUFFER_SRGB)
}
}
func main() {
var err error
var looping = true
defer fmt.Println("EXIT")
if err = glfw.Init(); err != nil {
panic(err)
}
defer glfw.Terminate()
glfw.OpenWindowHint(glfw.FsaaSamples, 0)
if useStrictCoreProfile {
glfw.OpenWindowHint(glfw.OpenGLVersionMajor, 3)
glfw.OpenWindowHint(glfw.OpenGLVersionMinor, 2)
glfw.OpenWindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)
}
if err = glfw.OpenWindow(1280, 720, 8, 8, 8, 0, 24, 8, glfw.Windowed); err != nil {
panic(err)
}
defer glfw.CloseWindow()
glfw.Enable(glfw.StickyKeys)
if !gl.Util.Init() {
panic("Failed to initialize at least OpenGL 3.2 or higher.")
}
defer logLastGlError("(post loop)")
gl.ClearColor(0.3, 0.1, 0.0, 1.0)
gl.Enable(gl.DEPTH_TEST)
gl.FrontFace(gl.CCW)
gl.CullFace(gl.BACK)
gl.Disable(gl.CULL_FACE)
if err = compileShaders(); err != nil {
panic(err)
}
setupGeometry()
defer deleteGeometry()
logLastGlError("(pre loop)")
for looping {
gl.UseProgram(shaderProg)
if isFirstLoop {
logLastGlError("gl.UseProgram")
}
gl.Viewport(0, 0, 1280, 720)
if isFirstLoop {
logLastGlError("gl.ViewPort")
}
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
if isFirstLoop {
logLastGlError("gl.Clear")
}
renderGeometry(faceTri)
if isFirstLoop {
logLastGlError("renderGeometry(faceTri)")
}
renderGeometry(faceQuad)
if isFirstLoop {
logLastGlError("renderGeometry(faceQuad)")
}
if (glfw.WindowParam(glfw.Opened) != 1) || (glfw.Key(glfw.KeyEsc) == glfw.KeyPress) {
looping = false
} else {
glfw.SwapBuffers()
}
isFirstLoop = false
}
logLastGlError("post-loop")
}
func main() {
runtime.LockOSThread()
var looping = true
defer fmt.Println("EXIT")
// if err = glfw.Init(); err != nil {
// panic(err)
// }
if !glfw.Init() {
panic("glfw.Init() failed!")
}
defer glfw.Terminate()
// glfw.OpenWindowHint(glfw.FsaaSamples, 0)
glfw.WindowHint(glfw.Samples, 0)
if useStrictCoreProfile {
// glfw.OpenWindowHint(glfw.OpenGLVersionMajor, 3)
// glfw.OpenWindowHint(glfw.OpenGLVersionMinor, 2)
// glfw.OpenWindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)
glfw.WindowHint(glfw.ContextVersionMajor, 3)
glfw.WindowHint(glfw.ContextVersionMinor, 2)
glfw.WindowHint(glfw.OpenglProfile, glfw.OpenglCoreProfile)
}
// if err = glfw.OpenWindow(1280, 720, 8, 8, 8, 0, 24, 8, glfw.Windowed); err != nil {
// panic(err)
// }
// defer glfw.CloseWindow()
glfw.WindowHint(glfw.RedBits, 8)
glfw.WindowHint(glfw.BlueBits, 8)
glfw.WindowHint(glfw.GreenBits, 8)
glfw.WindowHint(glfw.AlphaBits, 0)
glfw.WindowHint(glfw.DepthBits, 24)
glfw.WindowHint(glfw.StencilBits, 8)
win, err := glfw.CreateWindow(1280, 720, "Test", nil, nil)
if err != nil {
panic(err)
}
defer win.Destroy()
win.MakeContextCurrent()
// glfw.Enable(glfw.StickyKeys)
win.SetInputMode(glfw.StickyKeys, glfw.True)
if !gl.Util.Init() {
panic("Failed to initialize at least OpenGL 3.2 or higher.")
}
defer logLastGlError("(post loop)")
gl.ClearColor(0.3, 0.1, 0.0, 1.0)
gl.Enable(gl.DEPTH_TEST)
gl.FrontFace(gl.CCW)
gl.CullFace(gl.BACK)
gl.Disable(gl.CULL_FACE)
if err = compileShaders(); err != nil {
panic(err)
}
setupGeometry()
defer deleteGeometry()
logLastGlError("(pre loop)")
for looping {
gl.UseProgram(shaderProg)
if isFirstLoop {
logLastGlError("gl.UseProgram")
}
gl.Viewport(0, 0, 1280, 720)
if isFirstLoop {
logLastGlError("gl.ViewPort")
}
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
if isFirstLoop {
logLastGlError("gl.Clear")
}
renderGeometry(faceTri)
if isFirstLoop {
logLastGlError("renderGeometry(faceTri)")
}
renderGeometry(faceQuad)
if isFirstLoop {
logLastGlError("renderGeometry(faceQuad)")
}
// if (glfw.WindowParam(glfw.Opened) != 1) || (glfw.Key(glfw.KeyEsc) == glfw.KeyPress) {
if win.ShouldClose() || win.GetKey(glfw.KeyEscape) == glfw.Press {
looping = false
} else {
// glfw.SwapBuffers()
win.SwapBuffers()
glfw.PollEvents()
}
isFirstLoop = false
}
logLastGlError("post-loop")
}