protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
if (platformRenderContext == null)
{
platformRenderContext = new Graphics.Platform.Vulkan.PlatformRenderContext();
PlatformRenderer.Initialize(platformRenderContext);
}
RecreateSwapchain();
}
public void MakeCurrent()
{
EglMakeCurrent();
if (platformRenderContext == null)
{
platformRenderContext = new Graphics.Platform.OpenGL.PlatformRenderContext();
PlatformRenderer.Initialize(platformRenderContext);
}
platformRenderContext.Begin(0);
}
protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
if (platformRenderContext == null)
{
platformRenderContext = new Graphics.Platform.Vulkan.PlatformRenderContext();
PlatformRenderer.Initialize(platformRenderContext);
}
swapchain = new Graphics.Platform.Vulkan.Swapchain(platformRenderContext, Handle, ClientSize.Width, ClientSize.Height);
}
protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
windowInfo = OpenTK.Platform.Utilities.CreateWindowsWindowInfo(Handle);
graphicsContext = new OpenTK.Graphics.GraphicsContext(graphicsMode, windowInfo, major, minor, graphicsContextFlags);
graphicsContext.MakeCurrent(windowInfo);
graphicsContext.LoadAll();
graphicsContext.SwapInterval = VSync ? 1 : 0;
if (platformRenderContext == null)
{
platformRenderContext = new Graphics.Platform.OpenGL.PlatformRenderContext();
PlatformRenderer.Initialize(platformRenderContext);
}
graphicsContext.MakeCurrent(null);
}
private void SetupContextAndFramebuffer()
{
if (mgleaglContext == null)
{
ConfigureLayer();
try {
mgleaglContext = new EAGLContext(EAGLRenderingAPI.OpenGLES3);
} catch {
mgleaglContext = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
}
MakeCurrent();
renderContext = new PlatformRenderContext();
PlatformRenderer.Initialize(renderContext);
}
DestroyFramebuffer();
CreateFramebuffer();
}
public void Draw(MTKView view)
{
if (vkContext == null)
{
vkContext = new Graphics.Platform.Vulkan.PlatformRenderContext();
PlatformRenderer.Initialize(vkContext);
}
if (vkSwapChain == null)
{
shouldUpdateMetalLayerSize = true;
}
if (shouldUpdateMetalLayerSize)
{
var screen = Window?.Screen ?? UIScreen.MainScreen;
var drawableSize = Bounds.Size;
drawableSize.Width *= screen.NativeScale;
drawableSize.Height *= screen.NativeScale;
metalLayer.DrawableSize = drawableSize;
if (vkSwapChain == null)
{
vkSwapChain = new Graphics.Platform.Vulkan.Swapchain(vkContext, this.Handle, (int)metalLayer.DrawableSize.Width, (int)metalLayer.DrawableSize.Height);
}
else
{
vkSwapChain.Resize((int)metalLayer.DrawableSize.Width, (int)metalLayer.DrawableSize.Height);
}
shouldUpdateMetalLayerSize = false;
}
shouldUpdateMetalLayerSize = false;
var curUpdateTime = stopwatch.Elapsed;
if (prevUpdateTime == TimeSpan.Zero)
{
prevUpdateTime = curUpdateTime;
}
var delta = (float)(curUpdateTime - prevUpdateTime).TotalSeconds;
UpdateFrame?.Invoke(delta);
prevUpdateTime = curUpdateTime;
RenderFrame?.Invoke();
}
