private RenderTexture RenderPreview(Noesis.View view, int width, int height)
{
try
{
if (CanRender() && view != null && view.Content != null)
{
NoesisRenderer.SetRenderSettings();
view.SetSize(width, height);
view.Update(0.0f);
FlushMetalEncoder(_commands);
NoesisRenderer.RenderOffscreen(view, _commands);
RenderTexture rt = RenderTexture.GetTemporary(width, height, 24, RenderTextureFormat.Default, RenderTextureReadWrite.Default, 8);
_commands.SetRenderTarget(rt);
_commands.ClearRenderTarget(true, true, UnityEngine.Color.clear, 0.0f);
NoesisRenderer.RenderOnscreen(view, false, _commands);
Graphics.ExecuteCommandBuffer(_commands);
_commands.Clear();
GL.InvalidateState();
RenderTexture.ReleaseTemporary(rt);
return(rt);
}
}
catch (System.Exception e)
{
UnityEngine.Debug.LogException(e);
}
return(null);
}
void RenderOffscreen()
{
if (_uiView != null && _visible)
{
NoesisRenderer.RenderOffscreen(_uiView);
// Unity should restore the render target at this point but sometimes (for example a scene without lights)
// it doesn't. We use this hack to flush the active render target and force unity to set the camera RT afterward
RenderTexture surface = RenderTexture.GetTemporary(1, 1);
Graphics.SetRenderTarget(surface);
RenderTexture.ReleaseTemporary(surface);
}
}
private void ExternalUpdateInternal()
{
if (_uiView != null && _visible)
{
#if UNITY_EDITOR
// Make sure render queue is flushed to avoid memory growing
// Under normal circumstances this counter will be 0, but if for example we are in
// Play mode and the Game view is hidden (by switching to Scene View) then we need to
// force an Update in the render to clear the queue
if (_pendingUpdates > 4)
{
RenderOffscreen();
}
#endif
UpdateSize();
UpdateInputs();
NoesisUnity.IME.Update(_uiView);
NoesisUnity.TouchKeyboard.Update();
Noesis_UnityUpdate();
_needsRendering = _uiView.Update(_useRealTimeClock ? Time.realtimeSinceStartup : Time.time);
if (_camera == null && _texture != null)
{
if (_continuousRendering || _needsRendering)
{
_commands.name = "Noesis.Texture";
NoesisRenderer.RenderOffscreen(_uiView, _commands);
_commands.SetRenderTarget(_texture, LoadAction.DontCare, StoreAction.Store, LoadAction.DontCare, StoreAction.DontCare);
_commands.ClearRenderTarget(true, true, UnityEngine.Color.clear, 0.0f);
NoesisRenderer.RenderOnscreen(_uiView, !IsGL(), _commands);
Graphics.ExecuteCommandBuffer(_commands);
_commands.Clear();
GL.InvalidateState();
_texture.DiscardContents(false, true);
}
}
#if UNITY_EDITOR
else
{
if (_needsRendering)
{
_pendingUpdates++;
}
}
#endif
}
}
private void RenderOffscreen()
{
if (_uiView != null && _visible)
{
_commands.name = "Noesis.Offscreen";
NoesisRenderer.RenderOffscreen(_uiView, _commands);
Graphics.ExecuteCommandBuffer(_commands);
_commands.Clear();
GL.InvalidateState();
ForceRestoreCameraRenderTarget();
#if UNITY_EDITOR
_pendingUpdates = 0;
#endif
}
}
private void OnPreRender()
{
if (_uiView != null && _visible)
{
_commands.Clear();
_commands.name = "NoesisView_Offscreen";
NoesisRenderer.RenderOffscreen(_uiView, _commands);
Graphics.ExecuteCommandBuffer(_commands);
// CommandBuffer.IssuePluginEventAndData does not invalidate state (CommandBuffer.IssuePluginEvent does)
GL.InvalidateState();
// Unity should restore the render target at this point but sometimes (for example a scene without lights)
// it doesn't. We use this hack to flush the active render target and force unity to set the camera RT afterward
RenderTexture surface = RenderTexture.GetTemporary(1, 1);
Graphics.SetRenderTarget(surface);
RenderTexture.ReleaseTemporary(surface);
}
}
private void BeginCameraRendering(ScriptableRenderContext context, Camera camera)
{
if (_camera == camera)
{
if (_uiView != null && _visible)
{
_commands.name = "Noesis.Offscreen";
NoesisRenderer.RenderOffscreen(_uiView, _commands);
context.ExecuteCommandBuffer(_commands);
_commands.Clear();
context.Submit();
GL.InvalidateState();
ForceRestoreCameraRenderTarget();
#if UNITY_EDITOR
_pendingUpdates = 0;
#endif
}
}
}