protected internal virtual void OnRender(Shader shader)
{
if (!_isVisible)
{
return;
}
shader.SetBool("dashed", HasDash);
if (HasDash)
{
shader.SetFloat("dashedFactor", _dashes.Length * 2);
TexImage1D(GL_TEXTURE_1D, 0, GL_RED, _dashes.Length, 0, GL_RED, GL_UNSIGNED_BYTE, _dashes);
}
GLFunc.PointSize(_pointSize);
GLFunc.LineWidth(_lineWidth);
_SetMaterialData(shader);
BindVertexArray(_vao[0]);
var hasPoints = _points != null;
var hasIndices = _indices != null;
var mode = (uint)_mode;
if (hasIndices)
{
DrawElements(mode, hasPoints ? _indices.Count : 0, GL_UNSIGNED_INT, 0);
}
else
{
DrawArrays(mode, 0, hasPoints ? _points.Count : 0);
}
}
internal override void OnRender(Shader shader)
{
shader.SetBool("dashed", HasDash);
if (HasDash)
{
shader.SetFloat("dashedFactor", _dashes.Length * 2);
TexImage1D(GL_TEXTURE_1D, 0, GL_RED, _dashes.Length, 0, GL_RED, GL_UNSIGNED_BYTE, _dashes);
}
GLFunc.PointSize(_pointSize);
GLFunc.LineWidth(_lineWidth);
_SetMaterialData(shader);
var hasPoints = _points != null;
var hasIndices = _indices != null;
var mode = (uint)_mode;
if (hasIndices)
{
BufferData(GL_ELEMENT_ARRAY_BUFFER, _indices.Count * sizeof(uint), _indices.Select(index => index + (uint)_dataIndex).ToArray(), GL_DYNAMIC_DRAW);
DrawElements(mode, hasPoints ? _indices.Count : 0, GL_UNSIGNED_INT, 0);
}
else
{
if (_pairs == null)
{
DrawArrays(mode, _dataIndex, hasPoints ? _points.Count : 0);
}
else
{
MultiDrawArrays(mode, _pairs.Select(pair => pair.Start + _dataIndex).ToArray(), _pairs.Select(pair => pair.Count).ToArray(), _pairs.Count);
}
}
}
public static void DeleteContext(ContextHandle context)
{
if (_contexts.ContainsKey(context.HDC))
{
_contexts.Remove(context.HDC);
}
if (context != ContextHandle.Zero)
{
Win32Helper.DeleteContext(context.Handle);
}
if (_contexts.Count == 0)
{
GLFunc.Dispose();
}
}
internal static Shader GenShader(IEnumerable <ShaderSource> source, ContextHandle context)
{
GL.MakeSureCurrentContext(context);
var id = CreateProgram();
foreach (var file in source)
{
uint shader = 0;
switch (file.Type)
{
case ShaderType.Vert:
shader = CreateShader(GL_VERTEX_SHADER);
break;
case ShaderType.Geom:
shader = CreateShader(GL_GEOMETRY_SHADER);
break;
case ShaderType.Frag:
shader = CreateShader(GL_FRAGMENT_SHADER);
break;
}
var code = file.Code;
GLFunc.ShaderSource(shader, 1, new string[] { code }, null);
CompileShader(shader);
if (!CheckCompileErrors(shader, file.Type.ToString()))
{
return(null);
}
AttachShader(id, shader);
DeleteShader(shader);
}
LinkProgram(id);
if (!CheckCompileErrors(id, "PROGRAM"))
{
return(null);
}
return(new Shader(id));
}
