The interface for tracking errors that occur when compiling shader source code.
SDKs
Framework
protocol SCNProgramDelegate
You create and use custom shader programs with the SCNProgram class.
func program(SCNProgram, handleTells the delegate that an error occurred when compiling GLSL source code.
let SCNErrorIdentifies an error type defined by the SceneKit framework.
func programAsks the delegate whether fragments rendered by a program are opaque.
func program(SCNProgram, bindInvoked on the delegate to let it bind program values and/or associated graphics resources (such as textures) for symbols.
func program(SCNProgram, unbindInvoked on the delegate to let it unbind program values and/or also unbind associated graphic resources (such as textures).
var delegate: SCNProgramThe delegate of the program object.