protected override void SolveInstance(IGH_DataAccess data)
{
string resourceName = "";
string defines = "";
data.GetData(0, ref resourceName);
data.GetData(1, ref defines);
defines = defines.Replace("\\n", "\n");
if (!resourceName.Equals(_resourceName) || !defines.Equals(_defines))
{
_resourceName = resourceName;
_defines = defines;
_model = new GLSLViewModel();
}
if (_firstTime && !string.IsNullOrWhiteSpace(_model.VertexShaderCode) && !string.IsNullOrWhiteSpace(_resourceName))
{
if (_model.CompileProgram())
{
if (_model.ProgramId != 0)
{
RHC_UpdateShader(_resourceName, _defines, _model.ProgramId);
_model.RecycleCurrentProgram = false;
var doc = Rhino.RhinoDoc.ActiveDoc;
if (doc != null)
{
doc.Views.Redraw();
}
GLShaderComponentBase.RedrawViewportControl();
}
}
}
_firstTime = false;
}
static void AddToActiveComponentList(GLShaderComponentBase comp)
{
AnimationTimerEnabled = false;
foreach (var component in _activeShaderComponents)
{
if (comp == component)
{
return;
}
}
_activeShaderComponents.Add(comp);
SortComponents();
}
public static System.Drawing.Bitmap GetTextureImage(GLShaderComponentBase component, bool colorBuffer)
{
string id = colorBuffer ?
$"{component.InstanceGuid}:color".ToLowerInvariant() :
$"{component.InstanceGuid}:depth".ToLowerInvariant();
if (_componentSamplers.TryGetValue(id.ToLowerInvariant(), out IntPtr ptrColorTexture))
{
GLShaderComponentBase.ActivateGlContext();
return(Rhino7NativeMethods.RhTexture2dToDib(ptrColorTexture));
}
return(null);
}
private void DisplayPipeline_PreDrawObjects(object sender, Rhino.Display.DrawEventArgs e)
{
GLShaderComponentBase.UpdateContext(e);
if (_model.ProgramId != 0)
{
if (Rhino.Runtime.HostUtils.RunningOnWindows)
{
WindowsMethods.RHC_UpdateShader(_resourceName, _defines, _model.ProgramId);
}
else
{
MacMethods.RHC_UpdateShader(_resourceName, _defines, _model.ProgramId);
}
_model.RecycleCurrentProgram = false;
}
}
public GlShaderComponentAttributes(GLShaderComponentBase component, Action doubleClickAction)
: base(component)
{
_component = component;
_doubleClickAction = doubleClickAction;
}
public static void SaveColorTexture(GLShaderComponentBase component, IntPtr ptrTexture)
{
string id = $"{component.InstanceGuid}:color".ToLowerInvariant();
_componentSamplers[id] = ptrTexture;
}
/// <summary>
/// Return true if the output depth buffer from a given component is used downstream
/// </summary>
/// <param name="component"></param>
/// <returns></returns>
public static bool IsDepthTextureUsed(GLShaderComponentBase component)
{
string id = $"{component.InstanceGuid}:depth".ToLowerInvariant();
return(_componentSamplers.ContainsKey(id));
}