visible diagonal lines

[Mickey_dup1]

Hi, Do anyone know what are these diagonal lines on my GL_QUADS?? Could I take out it? thanks

can u post ur code?

[Mickey_dup1]

hi, this is my init; maybe problem is here:

.....................
glShadeModel(GL_SMOOTH);
glClearColor( 0.0, 0.0, 0.0, 0.0 );	
glEnable(GL_DEPTH_TEST); 	
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);	
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
glEnable(GL_POLYGON_SMOOTH);	
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glHint(GL_POLYGON_SMOOTH_HINT, GL_DONT_CARE);
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_MODULATE);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);

hi, i dont understand...

[Mickey_dup1]

mmm what?

[Trahern]

I would try to remove glEnable(GL_POLYGON_SMOOTH); ( I dont think this is hardware accelerated anyway.. antialiasing is achieved by multisampling nowadays )

if it doesnt help then you can try to remove all glHint calls..

[Mickey_dup1]

Originally posted by Trahern:
I would try to remove glEnable(GL_POLYGON_SMOOTH); ( I dont think this is hardware accelerated anyway.. antialiasing is achieved by multisampling nowadays )

if it doesnt help then you can try to remove all glHint calls..

removing glEnable(GL_POLYGON_SMOOTH) the lines vanish, but image appear aliased.....(the second suggest dosn't help)

[Trahern]

you should use GL_ARB_multisample extension if you want to antialias your scene

[Mickey_dup1]

sorry, but that scene is anti-alised; without these instruction, my scene appear jagged.....the problem is what are they....