private async void HandleWindowSize()
{
var currentSize = ImGui.GetWindowContentRegionMax() - ImGui.GetWindowContentRegionMin();
if (currentSize == size || resizing)
{
return;
}
// If there isn't a size yet, we haven't rendered at all - boot up an inlay in the render process
// TODO: Edge case - if a user _somehow_ makes the size zero, this will freak out and generate a new render inlay
// TODO: Maybe consolidate the request types? dunno.
var request = size == Vector2.Zero
? new NewInlayRequest()
{
Guid = RenderGuid,
FrameTransportMode = config.FrameTransportMode,
Url = inlayConfig.Url,
Width = (int)currentSize.X,
Height = (int)currentSize.Y,
}
: new ResizeInlayRequest()
{
Guid = RenderGuid,
Width = (int)currentSize.X,
Height = (int)currentSize.Y,
} as DownstreamIpcRequest;
resizing = true;
var response = await renderProcess.Send <FrameTransportResponse>(request);
if (!response.Success)
{
PluginLog.LogError("Texture build failure, retrying...");
resizing = false;
return;
}
size = currentSize;
resizing = false;
var oldTextureHandler = textureHandler;
try
{
textureHandler = response.Data switch
{
TextureHandleResponse textureHandleResponse => new SharedTextureHandler(textureHandleResponse),
BitmapBufferResponse bitmapBufferResponse => new BitmapBufferTextureHandler(bitmapBufferResponse),
_ => throw new Exception($"Unhandled frame transport {response.GetType().Name}"),
};
}
catch (Exception e) { textureRenderException = e; }
if (oldTextureHandler != null)
{
oldTextureHandler.Dispose();
}
}
public void InvalidateTransport()
{
// Get old refs so we can clean up later
var oldTextureHandler = textureHandler;
var oldRenderGuid = RenderGuid;
// Invalidate the handler, and reset the size to trigger a rebuild
// Also need to generate a new renderer guid so we don't have a collision during the hand over
// TODO: Might be able to tweak the logic in resize alongside this to shore up (re)builds
textureHandler = null;
size = Vector2.Zero;
RenderGuid = Guid.NewGuid();
// Clean up
oldTextureHandler.Dispose();
renderProcess.Send(new RemoveInlayRequest()
{
Guid = oldRenderGuid
});
}
public PaintBrush(ITextureHandler textureHandler, IGraphicsEngine graphicsEngine)
{
this.textureHandler = textureHandler;
this.graphicsEngine = graphicsEngine;
}
