/// <summary>
/// Gets the location of the parameter in a compiled OpenGL program.
/// </summary>
/// <param name="Program">Specifies the shader program that contains this parameter.</param>
public void GetLocation(GLShaderProgram Program)
{
Program.Use();
if (ProgramId == 0)
{
ProgramId = Program.ProgramID;
Location = ParamType == ParamType.Uniform ? Program.GetUniformLocation(Name) : Program.GetAttributeLocation(Name);
}
}
public void Dispose()
{
if (_shader != null)
{
_shader.Dispose();
_shader = null;
DeleteBuffer(_vboHandle);
DeleteBuffer(_elementsHandle);
DeleteVertexArray(_vertexArrayObject);
DeleteTexture(_fontTextureId);
}
}
public ImGuiGLRenderer(IntPtr window, IntPtr glContext)
{
_window = window;
_glContext = glContext;
// compile the shader program
_shader = new GLShaderProgram(VertexShader, FragmentShader);
ImGui.SetCurrentContext(ImGui.CreateContext());
RebuildFontAtlas();
InitKeyMap();
_vboHandle = GenBuffer();
_elementsHandle = GenBuffer();
_vertexArrayObject = GenVertexArray();
}
