public string getShaderInfoLog(Web.WebGLShader shader)
{
#if _DEBUG
Log.Info("getShaderInfoLog");
#endif
var GL_INFO_LOG_LENGTH = 35716;
//var GL_SHADING_LANGUAGE_VERSION = 35724;
int k;
unsafe
{
Gl.glGetShaderiv(shader.Value, GL_INFO_LOG_LENGTH, &k);
}
if (k <= 0)
{
return(string.Empty);
}
var result = new byte[k];
unsafe
{
fixed(byte *presult = result)
{
Gl.glGetShaderInfoLog(shader.Value, k, &k, presult);
}
}
////var version = glGetString(GL_SHADING_LANGUAGE_VERSION);
return(new string(Encoding.ASCII.GetChars(result)));
}
public void shaderSource(Web.WebGLShader shader, string source)
{
#if _DEBUG
Log.Info(string.Format("shaderSource {0}, source length {1}", shader.Value, source.Length));
#endif
var bytes = Encoding.ASCII.GetBytes(source);
var len = bytes.Length;
unsafe
{
fixed(byte *b = bytes)
{
byte *[] barray = new byte *[] { b };
fixed(byte **pb = barray)
{
Gl.glShaderSource(shader.Value, 1, pb, &len);
}
}
}
#if _DEBUG
ErrorTest();
#endif
}
public void attachShader(Web.WebGLProgram program, Web.WebGLShader shader)
{
#if _DEBUG
Log.Info(string.Format("attachShader {0} {1}", program.Value, shader.Value));
#endif
Gl.glAttachShader(program.Value, shader.Value);
#if _DEBUG
ErrorTest();
#endif
}
public void deleteShader(Web.WebGLShader shader)
{
#if _DEBUG
Log.Info(string.Format("deleteShader", shader.Value));
#endif
Gl.glDeleteShader(shader.Value);
#if _DEBUG
ErrorTest();
#endif
}
public void compileShader(Web.WebGLShader shader)
{
#if _DEBUG
Log.Info(string.Format("compileShader {0}", shader.Value));
#endif
Gl.glCompileShader(shader.Value);
#if _DEBUG
ErrorTest();
#endif
}
public object getShaderParameter(Web.WebGLShader shader, int pname)
{
#if _DEBUG
Log.Info(string.Format("getShaderParameter {0} {1}", shader.Value, pname));
#endif
int i;
unsafe
{
Gl.glGetShaderiv(shader.Value, pname, &i);
}
#if _DEBUG
ErrorTest();
#endif
#if _DEBUG
Log.Info(string.Format("value {0}", i));
#endif
return(i);
}
public bool isShader(Web.WebGLShader shader)
{
throw new NotImplementedException();
}
public void detachShader(Web.WebGLProgram program, Web.WebGLShader shader)
{
throw new NotImplementedException();
}
public string getShaderSource(Web.WebGLShader shader)
{
throw new NotImplementedException();
}
