public BackgroundShader(OpenGL gl)
: base(gl)
{
_program = new ShaderProgram();
var vertex = new VertexShader();
var fragment = new FragmentShader();
vertex.CreateInContext(gl);
vertex.SetSource(File.ReadAllText("Shaders/Background.vert.glsl"));
vertex.Compile();
fragment.CreateInContext(gl);
fragment.SetSource(File.ReadAllText("Shaders/Background.frag.glsl"));
fragment.Compile();
_program.CreateInContext(gl);
_program.AttachShader(vertex);
_program.AttachShader(fragment);
_program.Link();
Debug.WriteLine(_program.InfoLog);
foreach (var attachedShader in _program.AttachedShaders)
{
Debug.WriteLine(attachedShader.InfoLog);
}
}
public OctreeShader(OpenGL gl)
: base(gl)
{
_program = new ShaderProgram();
var vertex = new VertexShader();
var fragment = new FragmentShader();
var geo = new GeometryShader();
vertex.CreateInContext(gl);
vertex.SetSource(File.ReadAllText("Shaders/Octree.vert.glsl"));
vertex.Compile();
fragment.CreateInContext(gl);
fragment.SetSource(File.ReadAllText("Shaders/Octree.frag.glsl"));
fragment.Compile();
geo.CreateInContext(gl);
geo.SetSource(File.ReadAllText("Shaders/Octree.geo.glsl"));
geo.Compile();
_program.CreateInContext(gl);
_program.AttachShader(vertex);
_program.AttachShader(fragment);
_program.AttachShader(geo);
_program.Link();
Debug.WriteLine(_program.InfoLog);
foreach (var attachedShader in _program.AttachedShaders)
{
Debug.WriteLine(attachedShader.InfoLog);
}
_modelLocation = gl.GetUniformLocation(_program.ProgramObject, "Model");
_viewLocation = gl.GetUniformLocation(_program.ProgramObject, "View");
_projectionLocation = gl.GetUniformLocation(_program.ProgramObject, "Projection");
}
private void OpenGLControl_OpenGLInitialized(object sender, OpenGLEventArgs args)
{
OpenGL gl = args.OpenGL;
gl.Enable(OpenGL.GL_DEPTH_TEST);
float[] global_ambient = new float[] { 0.5f, 0.5f, 0.5f, 1.0f };
float[] light0pos = new float[] { 0.0f, 5.0f, 10.0f, 1.0f };
float[] light0ambient = new float[] { 0.2f, 0.2f, 0.2f, 1.0f };
float[] light0diffuse = new float[] { 0.3f, 0.3f, 0.3f, 1.0f };
float[] light0specular = new float[] { 0.8f, 0.8f, 0.8f, 1.0f };
float[] lmodel_ambient = new float[] { 0.2f, 0.2f, 0.2f, 1.0f };
gl.LightModel(OpenGL.GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
gl.LightModel(OpenGL.GL_LIGHT_MODEL_AMBIENT, global_ambient);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_POSITION, light0pos);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_AMBIENT, light0ambient);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_DIFFUSE, light0diffuse);
gl.Light(OpenGL.GL_LIGHT0, OpenGL.GL_SPECULAR, light0specular);
gl.Enable(OpenGL.GL_LIGHTING);
gl.Enable(OpenGL.GL_LIGHT0);
gl.ShadeModel(OpenGL.GL_SMOOTH);
// Create a vertex shader.
VertexShader vertexShader = new VertexShader();
vertexShader.CreateInContext(gl);
vertexShader.SetSource(
"void main()" + Environment.NewLine +
"{" + Environment.NewLine +
"gl_Position = ftransform();" + Environment.NewLine +
"}" + Environment.NewLine);
// Create a fragment shader.
FragmentShader fragmentShader = new FragmentShader();
fragmentShader.CreateInContext(gl);
fragmentShader.SetSource(
"void main()" + Environment.NewLine +
"{" + Environment.NewLine +
"gl_FragColor = vec4(0.4,0.4,0.8,1.0);" + Environment.NewLine +
"}" + Environment.NewLine);
// Compile them both.
vertexShader.Compile();
fragmentShader.Compile();
// Build a program.
program.CreateInContext(gl);
// Attach the shaders.
program.AttachShader(vertexShader);
program.AttachShader(fragmentShader);
program.Link();
}
public void CreateBasicShader(OpenGL _context)
{
//ThrowIfNull(_context);
// Create a vertex shader.
VertexShader vertexShader = new VertexShader();
vertexShader.CreateInContext(_context);
vertexShader.SetSource(
"void main()" + Environment.NewLine +
"{" + Environment.NewLine +
"gl_Position = ftransform();" + Environment.NewLine +
"}" + Environment.NewLine);
// Create a fragment shader.
FragmentShader fragmentShader = new FragmentShader();
fragmentShader.CreateInContext(_context);
fragmentShader.SetSource(
"void main()" + Environment.NewLine +
"{" + Environment.NewLine +
"gl_FragColor = vec4(0.4,0.4,0.8,1.0);" + Environment.NewLine +
"}" + Environment.NewLine);
// Compile them both.
vertexShader.Compile();
fragmentShader.Compile();
// Build a program.
ShaderProgram.CreateInContext(_context);
// Attach the shaders.
ShaderProgram.AttachShader(vertexShader);
ShaderProgram.AttachShader(fragmentShader);
ShaderProgram.Link();
}