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[Renderer] Add RenderingSurface protocol

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The OpenGLView implements RenderingSurface and passes itself in the newly
updated renderOntoSurface(_:atTime:) call.
This commit is contained in:
Eryn Wells 2015-11-14 23:44:50 -08:00
parent 0338f7360d
commit cae145e0c1
2 changed files with 8 additions and 4 deletions
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6
Renderer/OpenGL/OpenGLView.swift
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@ -11,15 +11,15 @@ import Cocoa
import OpenGL
import CoreVideo
public class OpenGLView: NSOpenGLView {
public class OpenGLView: NSOpenGLView, RenderingSurface {
private var didSetupOpenGL = false
private var displayLink: CVDisplayLink? = nil
// TODO: Should this be weak?
public var renderer: FrameRenderer? = nil
deinit {
stopRenderingLoop()
renderer = nil
}
override public func awakeFromNib() {
@ -120,7 +120,7 @@ public class OpenGLView: NSOpenGLView {
defer { CGLUnlockContext(context.CGLContextObj) }
// Render the frame.
renderer!.renderAtTime(time)
renderer!.renderOntoSurface(self, atTime: time)
context.flushBuffer()
return kCVReturnSuccess

8
Renderer/Renderer/Renderer.swift
View file

@ -10,6 +10,10 @@ import CoreVideo
public typealias FrameTimeStamp = CVTimeStamp
public protocol FrameRenderer {
func renderAtTime(time: FrameTimeStamp)
public protocol RenderingSurface {
var bounds: CGRect { get }
}
public protocol FrameRenderer {
func renderOntoSurface(surface: RenderingSurface, atTime time: FrameTimeStamp)
}