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OpenGL-10.4.7 incompatibility

Subject: OpenGL-10.4.7 incompatibility
From: nestor cardozo <email@hidden>
Date: Fri, 30 Jun 2006 22:26:15 +0200
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Okay, I have identified where the problem in my program is:

When I disable lighting my app works fine in 10.4.7 Intel or ppc.

When lighting is enabled the app only works fine in 10.4.7 ppc.

The initialization code for my NSOpenGLView is in the

initWithCoder: method

The code that I use to define lighting within this method is something like:

	self = [super initWithCoder:c];
	NSOpenGLContext *glContext;
	glContext = [self openGLContext];
	[glContext makeCurrentContext];

// Lights
	GLfloat ambientLight[] = {intAmbient,intAmbient,intAmbient,1.0};
	GLfloat diffuseLight[] = {intDiffuse,intDiffuse,intDiffuse,1.0};
	GLfloat specular [] = {intSpecular, intSpecular, intSpecular, 1.0};
	GLfloat specref[] = {0.5, 0.5, 0.5, 1.0};

	glEnable(GL_LIGHTING);
	glLightfv(GL_LIGHT0, GL_AMBIENT,ambientLight);
	glLightfv(GL_LIGHT0, GL_DIFFUSE,diffuseLight);
	glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
	glEnable(GL_LIGHT0);
	glEnable(GL_COLOR_MATERIAL);
	glColorMaterial(GL_FRONT,GL_AMBIENT_AND_DIFFUSE);
	glMaterialfv(GL_FRONT,GL_SPECULAR,specref);
	glMateriali(GL_FRONT,GL_SHININESS,50);

	// other stuff
	return self;

As I said when I comment the glEnable (GL_LIGHTING) line, everything works fine (except that there are no lights). When I comment the glEnable(GL_COLOR_MATERIAL) line everything shows up well but only in gray.

The strange thing is that my code works well in 10.4.7 ppc, but not 10.4.7 Intel.

I have installed the newest 10.4.7 Intel update:

SHA1MacOSXUpd10.4.7Intel.dmg= 10aa57dfccd63accb0939a894cea202a8910fb45

I appreciate any help

Nestor Cardozo
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