Set the rendering viewport.
All rendering is constrained to be inside the passed pixelRect.
If the Viewport is modified, all the rendered content inside of it gets stretched.
// Draw a red Quad that covers all the view port, and the when space is pressed
// the viewport gets expanded to the whole screen and stretch the contents inside
var mat : Material;
private var stretch : boolean = false;
function Update() {
if(Input.GetKeyDown(KeyCode.Space)) {
if(stretch) {
stretch = false;
} else {
stretch = true;
}
}
}
function OnPostRender() {
if (!mat) {
Debug.LogError("Please Assign a material on the inspector");
return;
}
GL.PushMatrix();
mat.SetPass(0);
GL.LoadPixelMatrix();
if(stretch) {
GL.Viewport(Rect(0,0,Screen.width,Screen.height));
} else {
GL.Viewport(Rect(0,0,Screen.width/2,Screen.height));
}
GL.Color(Color.red);
GL.Begin(GL.QUADS);
GL.Vertex3(0,0,0);
GL.Vertex3(0,Screen.height,0);
GL.Vertex3(Screen.width,Screen.height,0);
GL.Vertex3(Screen.width,0,0);
GL.Color(Color.yellow);
GL.End();
GL.Begin(GL.TRIANGLES);
GL.Vertex3(Screen.width/2,Screen.height/4,1);
GL.Vertex3(Screen.width/4,Screen.height/2,1);
GL.Vertex3(Screen.width - Screen.width/4,Screen.height/2,1);
GL.End();
GL.PopMatrix();
}
no example available in C#