static WebGLShader InternalConstructor(WebGLRenderingContext gl, uint type = WebGLRenderingContext.VERTEX_SHADER)
{
// X:\jsc.svn\examples\javascript\chrome\apps\WebGL\ChromeShaderToyColumns\ChromeShaderToyColumns\Library\ShaderToy.cs
var p = gl.createShader(type);
return(p);
}
// we are defining extensions for a class generated from IDL
public static WebGLProgram createProgram(this WebGLRenderingContext gl, VertexShader v, FragmentShader f)
{
var programHandle = gl.createProgram();
var vs = gl.createShader(v);
var fs = gl.createShader(f);
gl.attachShader(programHandle, vs);
gl.attachShader(programHandle, fs);
gl.deleteShader(vs);
gl.deleteShader(fs);
// http://www.seas.upenn.edu/~pcozzi/OpenGLInsights/OpenGLInsights-ANGLE.pdf
// are implicitly linked when the shaders are made active.
return(programHandle);
}
public static WebGLShader createShader(this WebGLRenderingContext gl, Shader source)
{
// jsc/java should pick this up!
FragmentShader refhack;
var type = gl.VERTEX_SHADER;
//if (source is FragmentShader)
var IsFragmentShader = source is FragmentShader;
if (IsFragmentShader)
{
type = gl.FRAGMENT_SHADER;
}
var shader = gl.createShader(type);
// we could just use object.ToString
// later we might want to update jsc to create a special interface method for that..
var code = source.ToString();
// or jsc could replace a method to "compile" a type into actual source code :)
// ahead of time or on runtime? (.net 5 code expressions?)
// how do WebGLShader and Shader relate?
// will actionscript require the same extensions?
gl.shaderSource(shader, code);
gl.compileShader(shader);
return(shader);
}
