int InitGL(GLvoid) // All Setup For OpenGL Goes Here
{
if (!InitGLObjects()) return FALSE; // Function For Initializing Our Object(s)
glShadeModel(GL_SMOOTH); // Enable Smooth Shading
glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background
glClearDepth(1.0f); // Depth Buffer Setup
glClearStencil(0); // Stencil Buffer Setup
glEnable(GL_DEPTH_TEST); // Enables Depth Testing
glDepthFunc(GL_LEQUAL); // The Type Of Depth Testing To Do
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Really Nice Perspective Calculations
glLightfv(GL_LIGHT1, GL_POSITION, LightPos); // Set Light1 Position
glLightfv(GL_LIGHT1, GL_AMBIENT, LightAmb); // Set Light1 Ambience
glLightfv(GL_LIGHT1, GL_DIFFUSE, LightDif); // Set Light1 Diffuse
glLightfv(GL_LIGHT1, GL_SPECULAR, LightSpc); // Set Light1 Specular
glEnable(GL_LIGHT1); // Enable Light1
glEnable(GL_LIGHTING); // Enable Lighting
glMaterialfv(GL_FRONT, GL_AMBIENT, MatAmb); // Set Material Ambience
glMaterialfv(GL_FRONT, GL_DIFFUSE, MatDif); // Set Material Diffuse
glMaterialfv(GL_FRONT, GL_SPECULAR, MatSpc); // Set Material Specular
glMaterialfv(GL_FRONT, GL_SHININESS, MatShn); // Set Material Shininess
glCullFace(GL_BACK); // Set Culling Face To Back Face
glEnable(GL_CULL_FACE); // Enable Culling
glClearColor(0.1f, 1.0f, 0.5f, 1.0f); // Set Clear Color (Greenish Color)
q = gluNewQuadric(); // Initialize Quadratic
gluQuadricNormals(q, GL_SMOOTH); // Enable Smooth Normal Generation
gluQuadricTexture(q, GL_FALSE); // Disable Auto Texture Coords
return TRUE; // Initialization Went OK
}
bool NativeEngine::PrepareToRender() {
do {
// if we're missing a surface, context, or display, create them
if (mEglDisplay == EGL_NO_DISPLAY || mEglSurface == EGL_NO_SURFACE ||
mEglContext == EGL_NO_CONTEXT) {
// create display if needed
if (!InitDisplay()) {
LOGE("NativeEngine: failed to create display.");
return false;
}
// create surface if needed
if (!InitSurface()) {
LOGE("NativeEngine: failed to create surface.");
return false;
}
// create context if needed
if (!InitContext()) {
LOGE("NativeEngine: failed to create context.");
return false;
}
LOGD("NativeEngine: binding surface and context (display %p, surface %p, context %p)",
mEglDisplay, mEglSurface, mEglContext);
// bind them
if (EGL_FALSE == eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
LOGE("NativeEngine: eglMakeCurrent failed, EGL error %d", eglGetError());
HandleEglError(eglGetError());
}
// configure our global OpenGL settings
ConfigureOpenGL();
}
// now that we're sure we have a context and all, if we don't have the OpenGL
// objects ready, create them.
if (!mHasGLObjects) {
LOGD("NativeEngine: creating OpenGL objects.");
if (!InitGLObjects()) {
LOGE("NativeEngine: unable to initialize OpenGL objects.");
return false;
}
}
} while(0);
// ready to render
return true;
}
