public static void EndFrame()
{
GLRecycleBin.AddTextureToDeleteList(InitialColorBuffer);
InitialColorBuffer = IntPtr.Zero;
GLRecycleBin.AddTextureToDeleteList(InitialDepthBuffer);
InitialDepthBuffer = IntPtr.Zero;
}
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());
}