/// <summary> Called by render list and executes the operation </summary>
public override void Execute(GLMatrixCalc c)
{
GLScissors.Disable(viewport);
}
/// <summary>
/// Called by an override to GLWinFormControl Paint or other to render the controls
/// </summary>
/// <param name="currentstate">Render state</param>
/// <param name="ts">Time stamp from Paint</param>
public void Render(GLRenderState currentstate, ulong ts)
{
System.Diagnostics.Debug.Assert(context == GLStatics.GetContext() && IsCurrent(), "Context incorrect");
//System.Diagnostics.Debug.WriteLine("Render");
NeedRedraw = false;
RequestRender = false;
if (ControlsIZ.Count > 0) // only action if children present
{
bool altscalechanged = false;
foreach (var c in ControlsIZ)
{
if (c.Visible)
{
//System.Diagnostics.Debug.WriteLine("Draw " + c.Name);
bool redrawn = c.Redraw(null, new Rectangle(0, 0, 0, 0), new Rectangle(0, 0, 0, 0), false); // see if redraw done
if (redrawn)
{
// System.Diagnostics.Debug.WriteLine($"texture changed refresh GL {c.Name} {c.Size} {c.LevelBitmap.Size}");
textures[c].CreateLoadBitmap(c.LevelBitmap, SizedInternalFormat.Rgba8); // and update texture unit with new bitmap
//float[] p = textures[c].GetTextureImageAsFloats(end:100);
}
if (c.TopLevelControlUpdate)
{
c.TopLevelControlUpdate = false;
altscalechanged = true;
}
}
}
if (altscalechanged)
{
UpdateVertexPositionsTextures(); // we need to update..
}
GLScissors.SetToScreenCoords(0, MatrixCalc);
shader.Start(MatrixCalc);
ri.Bind(currentstate, shader, MatrixCalc); // binds VA AND the element buffer
ri.Render(); // draw using primitive restart on element index buffer with bindless textures
shader.Finish();
GL.UseProgram(0); // final clean up
GL.BindProgramPipeline(0);
GLScissors.Disable(0);
GLStatics.Check();
foreach (var c in ControlsIZ)
{
var form = c as GLForm;
if (form != null && form.FormShown == false)
{
form.OnShown();
form.FormShown = true;
}
}
}
//System.Diagnostics.Debug.WriteLine("Render Finished");
}