public static void EndFrame()
{
GLRecycleBin.AddTextureToDeleteList(InitialColorBuffer);
InitialColorBuffer = IntPtr.Zero;
GLRecycleBin.AddTextureToDeleteList(InitialDepthBuffer);
InitialDepthBuffer = IntPtr.Zero;
}
static void PostDrawObjects(object sender, DrawEventArgs args)
{
if (_activeShaderComponents.Count < 1)
{
return;
}
if (!OpenGL.Initialized)
{
OpenGL.Initialize();
}
if (!OpenGL.IsAvailable)
{
return;
}
UpdateContext(args);
SortComponents();
using (IDisposable lifetimeObject = PerFrameCache.BeginFrame(args.Display, _activeShaderComponents))
{
foreach (var component in _activeShaderComponents)
{
if (component.Hidden)
{
continue;
}
if (!GLSLEditorDialog.EditorsOpen && !AnimationTimerEnabled)
{
string dataType;
int arrayLength;
if (component._model.TryGetUniformType("_time", out dataType, out arrayLength) ||
component._model.TryGetUniformType("_date", out dataType, out arrayLength) ||
component._model.TryGetUniformType("_mousePosition", out dataType, out arrayLength) ||
component._model.TryGetUniformType("_mouseDownPosition", out dataType, out arrayLength) ||
component._model.TryGetUniformType("_mouseState", out dataType, out arrayLength))
{
AnimationTimerEnabled = true;
}
}
component._model.Draw(args.Display, component);
}
}
GLRecycleBin.Recycle();
_activeShaderComponents.Clear();
}
public static IDisposable BeginFrame(Rhino.Display.DisplayPipeline display, List <GLShaderComponentBase> components)
{
// check to see if any components use _colorBuffer or _depthBuffer
bool usesInitialColorBuffer = false;
bool usesInitialDepthBuffer = false;
foreach (var component in components)
{
if (!usesInitialColorBuffer && component._model.TryGetUniformType("_colorBuffer", out string dataType, out int arrayLength))
{
usesInitialColorBuffer = true;
}
if (!usesInitialDepthBuffer && component._model.TryGetUniformType("_depthBuffer", out dataType, out arrayLength))
{
usesInitialDepthBuffer = true;
}
}
if (usesInitialColorBuffer)
{
IntPtr texture2dPtr = Rhino7NativeMethods.RhTexture2dCreate();
Rhino7NativeMethods.RhTexture2dCapture(display, texture2dPtr, Rhino7NativeMethods.CaptureFormat.kRGBA);
InitialColorBuffer = texture2dPtr;
}
if (usesInitialDepthBuffer)
{
IntPtr texture2dPtr = Rhino7NativeMethods.RhTexture2dCreate();
Rhino7NativeMethods.RhTexture2dCapture(display, texture2dPtr, Rhino7NativeMethods.CaptureFormat.kDEPTH24);
InitialDepthBuffer = texture2dPtr;
}
foreach (var texture in _componentSamplers.Values)
{
GLRecycleBin.AddTextureToDeleteList(texture);
}
_componentSamplers.Clear();
// figure out list of per component depth and color textures that need to be created/retrieved
foreach (var component in components)
{
string[] samplers = component._model.GetUniformsAndAttributes(0).GetComponentSamplers();
foreach (var sampler in samplers)
{
_componentSamplers[sampler.ToLowerInvariant()] = IntPtr.Zero;
}
}
return(new PerFrameLifetimeObject());
}
