public void Initialise(OpenGL gl)
{
#region Load the main program.
string fragmentShaderCode = null;
using (StreamReader sr = new StreamReader(FRAGMENT_SHADER_PATH))
{
fragmentShaderCode = sr.ReadToEnd();
}
string vertexShaderCode = null;
using (StreamReader sr = new StreamReader(VERTEX_SHADER_PATH))
{
vertexShaderCode = sr.ReadToEnd();
}
_prog = new SharpGL.Shaders.ShaderProgram();
_prog.Create(gl, vertexShaderCode, fragmentShaderCode, null);
string geometryShaderCode = null;
if (File.Exists(GEOMETRY_SHADER_PATH))
{
using (StreamReader sr = new StreamReader(GEOMETRY_SHADER_PATH))
{
geometryShaderCode = sr.ReadToEnd();
}
Shader geometryShader = new Shader();
geometryShader.Create(gl, OpenGL.GL_GEOMETRY_SHADER, geometryShaderCode);
gl.AttachShader(_prog.ShaderProgramObject, geometryShader.ShaderObject);
}
gl.LinkProgram(_prog.ShaderProgramObject);
// Now that we've compiled and linked the shader, check it's link status.If it's not linked properly, we're
// going to throw an exception.
if (_prog.GetLinkStatus(gl) == false)
{
throw new SharpGL.Shaders.ShaderCompilationException(string.Format("Failed to link shader program with ID {0}.", _prog.ShaderProgramObject), _prog.GetInfoLog(gl));
}
#endregion
#region Load clear program.
//string clearFragShaderCode = null;
//using (StreamReader sr = new StreamReader(CLEAR_FRAGMENT_SHADER_PATH))
//{
// clearFragShaderCode = sr.ReadToEnd();
//}
//string clearVertexShaderCode = null;
//using (StreamReader sr = new StreamReader(CLEAR_VERTEX_SHADER_PATH))
//{
// clearVertexShaderCode = sr.ReadToEnd();
//}
//_clearProg = new SharpGL.Shaders.ShaderProgram();
//_clearProg.Create(gl, clearVertexShaderCode, clearFragShaderCode, null);
//gl.LinkProgram(_clearProg.ShaderProgramObject);
//// Now that we've compiled and linked the shader, check it's link status. If it's not linked properly, we're
//// going to throw an exception.
//if (_clearProg.GetLinkStatus(gl) == false)
//{
// throw new SharpGL.Shaders.ShaderCompilationException(string.Format("Failed to link the clear shader program with ID {0}.", _clearProg.ShaderProgramObject), _clearProg.GetInfoLog(gl));
//}
//_clearRectangle = new float[] { -1.0f, -1.0f, -1.0f, 1.0f, 1.0f, -1.0f, 1.0f, 1.0f };
#endregion
}
private void OpenGLControl_OpenGLInitialized(object sender, EventArgs e)
{
OpenGL gl = this.openGLControl1.OpenGL;
string fragmentShaderCode = null;
using (StreamReader sr = new StreamReader(FRAGMENT_SHADER_PATH))
{
fragmentShaderCode = sr.ReadToEnd();
}
string vertexShaderCode = null;
using (StreamReader sr = new StreamReader(VERTEX_SHADER_PATH))
{
vertexShaderCode = sr.ReadToEnd();
}
_prog = new SharpGL.Shaders.ShaderProgram();
_prog.Create(gl, vertexShaderCode, fragmentShaderCode, null);
string geometryShaderCode = null;
if (File.Exists(GEOMETRY_SHADER_PATH))
{
using (StreamReader sr = new StreamReader(GEOMETRY_SHADER_PATH))
{
geometryShaderCode = sr.ReadToEnd();
}
Shader geometryShader = new Shader();
geometryShader.Create(gl, OpenGL.GL_GEOMETRY_SHADER, geometryShaderCode);
gl.AttachShader(_prog.ShaderProgramObject, geometryShader.ShaderObject);
}
gl.LinkProgram(_prog.ShaderProgramObject);
// Now that we've compiled and linked the shader, check it's link status.If it's not linked properly, we're
// going to throw an exception.
if (_prog.GetLinkStatus(gl) == false)
{
throw new SharpGL.Shaders.ShaderCompilationException(string.Format("Failed to link shader program with ID {0}.", _prog.ShaderProgramObject), _prog.GetInfoLog(gl));
}
}
