protected virtual void DestroyFrameBuffer()
{
AssertValid();
AssertContext();
EAGLContext oldContext = EAGLContext.CurrentContext;
if (!GraphicsContext.IsCurrent)
{
MakeCurrent();
}
gl.DeleteFramebuffers(1, ref framebuffer);
gl.DeleteRenderbuffers(1, ref renderbuffer);
framebuffer = renderbuffer = 0;
if (oldContext != EAGLContext)
{
EAGLContext.SetCurrentContext(oldContext);
}
else
{
EAGLContext.SetCurrentContext(null);
}
GraphicsContext.Dispose();
GraphicsContext = null;
gl = null;
}
protected virtual void CreateFrameBuffer()
{
AssertValid();
if (LayerColorFormat == null)
{
throw new InvalidOperationException("Set the LayerColorFormat property to an EAGLColorFormat value before calling Run().");
}
CAEAGLLayer eaglLayer = (CAEAGLLayer)Layer;
eaglLayer.DrawableProperties = NSDictionary.FromObjectsAndKeys(
new NSObject [] { NSNumber.FromBoolean(LayerRetainsBacking), LayerColorFormat },
new NSObject [] { EAGLDrawableProperty.RetainedBacking, EAGLDrawableProperty.ColorFormat }
);
ConfigureLayer(eaglLayer);
GraphicsContext = Utilities.CreateGraphicsContext(ContextRenderingApi);
gl = GLCalls.GetGLCalls(ContextRenderingApi);
int oldFramebuffer = 0, oldRenderbuffer = 1;
gl.GetInteger(All.FramebufferBindingOes, ref oldFramebuffer);
gl.GetInteger(All.RenderbufferBindingOes, ref oldRenderbuffer);
gl.GenRenderbuffers(1, ref renderbuffer);
gl.BindRenderbuffer(All.RenderbufferOes, renderbuffer);
if (!EAGLContext.RenderBufferStorage((uint)All.RenderbufferOes, eaglLayer))
{
gl.DeleteRenderbuffers(1, ref renderbuffer);
renderbuffer = 0;
gl.BindRenderbuffer(All.RenderbufferBindingOes, oldRenderbuffer);
throw new InvalidOperationException("Error with EAGLContext.RenderBufferStorage!");
}
gl.GenFramebuffers(1, ref framebuffer);
gl.BindFramebuffer(All.FramebufferOes, framebuffer);
gl.FramebufferRenderbuffer(All.FramebufferOes, All.ColorAttachment0Oes, All.RenderbufferOes, renderbuffer);
Size newSize = new Size(
(int)Math.Round(eaglLayer.Bounds.Size.Width),
(int)Math.Round(eaglLayer.Bounds.Size.Height));
Size = newSize;
gl.Viewport(0, 0, newSize.Width, newSize.Height);
gl.Scissor(0, 0, newSize.Width, newSize.Height);
frameBufferWindow = new WeakReference(Window);
frameBufferLayer = new WeakReference(Layer);
}
protected virtual void CreateFrameBuffer()
{
AssertValid();
if (LayerColorFormat == null)
{
throw new InvalidOperationException("Set the LayerColorFormat property to an EAGLColorFormat value before calling Run().");
}
CAEAGLLayer eaglLayer = (CAEAGLLayer)Layer;
eaglLayer.DrawableProperties = NSDictionary.FromObjectsAndKeys(
new NSObject [] { NSNumber.FromBoolean(LayerRetainsBacking), LayerColorFormat },
new NSObject [] { EAGLDrawableProperty.RetainedBacking, EAGLDrawableProperty.ColorFormat }
);
ConfigureLayer(eaglLayer);
int major = 0, minor = 0;
switch (ContextRenderingApi)
{
case EAGLRenderingAPI.OpenGLES1: major = 1; minor = 1; break;
case EAGLRenderingAPI.OpenGLES2: major = 2; minor = 0; break;
case EAGLRenderingAPI.OpenGLES3: major = 3; minor = 0; break;
default:
throw new ArgumentException("Unsupported EAGLRenderingAPI version: " + ContextRenderingApi);
}
GraphicsContext = new GraphicsContext(GraphicsMode.Default, WindowInfo, major, minor, GraphicsContextFlags.Embedded);
GraphicsContext.MakeCurrent(WindowInfo);
gl = GLCalls.GetGLCalls(ContextRenderingApi);
int oldFramebuffer = 0;
gl.GetInteger(All.FramebufferBindingOes, out oldFramebuffer);
gl.GenFramebuffers(1, out framebuffer);
CreateFrameBuffer(eaglLayer);
frameBufferWindow = new WeakReference(Window);
frameBufferLayer = new WeakReference(Layer);
}
protected virtual void DestroyFrameBuffer()
{
AssertValid();
AssertContext();
EAGLContext oldContext = EAGLContext.CurrentContext;
if (!GraphicsContext.IsCurrent)
MakeCurrent();
gl.DeleteFramebuffers (1, ref framebuffer);
gl.DeleteRenderbuffers (1, ref renderbuffer);
framebuffer = renderbuffer = 0;
if (oldContext != EAGLContext)
EAGLContext.SetCurrentContext(oldContext);
else
EAGLContext.SetCurrentContext(null);
GraphicsContext.Dispose();
GraphicsContext = null;
gl = null;
}
protected virtual void CreateFrameBuffer()
{
AssertValid();
if (LayerColorFormat == null)
throw new InvalidOperationException("Set the LayerColorFormat property to an EAGLColorFormat value before calling Run().");
CAEAGLLayer eaglLayer = (CAEAGLLayer) Layer;
eaglLayer.DrawableProperties = NSDictionary.FromObjectsAndKeys (
new NSObject [] {NSNumber.FromBoolean(LayerRetainsBacking), LayerColorFormat},
new NSObject [] {EAGLDrawableProperty.RetainedBacking, EAGLDrawableProperty.ColorFormat}
);
ConfigureLayer(eaglLayer);
GraphicsContext = Utilities.CreateGraphicsContext(ContextRenderingApi);
gl = GLCalls.GetGLCalls(ContextRenderingApi);
int oldFramebuffer = 0, oldRenderbuffer = 1;
gl.GetInteger(All.FramebufferBindingOes, ref oldFramebuffer);
gl.GetInteger(All.RenderbufferBindingOes, ref oldRenderbuffer);
gl.GenRenderbuffers(1, ref renderbuffer);
gl.BindRenderbuffer(All.RenderbufferOes, renderbuffer);
if (!EAGLContext.RenderBufferStorage((uint) All.RenderbufferOes, eaglLayer)) {
gl.DeleteRenderbuffers(1, ref renderbuffer);
renderbuffer = 0;
gl.BindRenderbuffer(All.RenderbufferBindingOes, oldRenderbuffer);
throw new InvalidOperationException("Error with EAGLContext.RenderBufferStorage!");
}
gl.GenFramebuffers (1, ref framebuffer);
gl.BindFramebuffer (All.FramebufferOes, framebuffer);
gl.FramebufferRenderbuffer (All.FramebufferOes, All.ColorAttachment0Oes, All.RenderbufferOes, renderbuffer);
Size newSize = new Size(
(int) Math.Round(eaglLayer.Bounds.Size.Width),
(int) Math.Round(eaglLayer.Bounds.Size.Height));
Size = newSize;
gl.Viewport(0, 0, newSize.Width, newSize.Height);
gl.Scissor(0, 0, newSize.Width, newSize.Height);
frameBufferWindow = new WeakReference(Window);
frameBufferLayer = new WeakReference(Layer);
}
protected virtual void CreateFrameBuffer()
{
AssertValid();
if (LayerColorFormat == null)
{
throw new InvalidOperationException("Set the LayerColorFormat property to an EAGLColorFormat value before calling Run().");
}
CAEAGLLayer eaglLayer = (CAEAGLLayer)Layer;
eaglLayer.DrawableProperties = NSDictionary.FromObjectsAndKeys(
new NSObject [] { NSNumber.FromBoolean(LayerRetainsBacking), LayerColorFormat },
new NSObject [] { EAGLDrawableProperty.RetainedBacking, EAGLDrawableProperty.ColorFormat }
);
ConfigureLayer(eaglLayer);
int major = 0, minor = 0;
switch (ContextRenderingApi)
{
case EAGLRenderingAPI.OpenGLES1: major = 1; minor = 1; break;
case EAGLRenderingAPI.OpenGLES2: major = 2; minor = 0; break;
case EAGLRenderingAPI.OpenGLES3: major = 3; minor = 0; break;
default:
throw new ArgumentException("Unsupported EAGLRenderingAPI version: " + ContextRenderingApi);
}
GraphicsContext = new GraphicsContext(GraphicsMode.Default, WindowInfo, major, minor, GraphicsContextFlags.Embedded);
GraphicsContext.MakeCurrent(WindowInfo);
gl = GLCalls.GetGLCalls(ContextRenderingApi);
int oldFramebuffer = 0, oldRenderbuffer = 1;
gl.GetInteger(All.FramebufferBindingOes, out oldFramebuffer);
gl.GetInteger(All.RenderbufferBindingOes, out oldRenderbuffer);
gl.GenRenderbuffers(1, out renderbuffer);
gl.BindRenderbuffer(All.RenderbufferOes, renderbuffer);
if (!EAGLContext.RenderBufferStorage((uint)All.RenderbufferOes, eaglLayer))
{
gl.DeleteRenderbuffers(1, ref renderbuffer);
renderbuffer = 0;
gl.BindRenderbuffer(All.RenderbufferBindingOes, oldRenderbuffer);
throw new InvalidOperationException("Error with EAGLContext.RenderBufferStorage!");
}
gl.GenFramebuffers(1, out framebuffer);
gl.BindFramebuffer(All.FramebufferOes, framebuffer);
gl.FramebufferRenderbuffer(All.FramebufferOes, All.ColorAttachment0Oes, All.RenderbufferOes, renderbuffer);
Size newSize = new Size(
(int)Math.Round(eaglLayer.Bounds.Size.Width),
(int)Math.Round(eaglLayer.Bounds.Size.Height));
Size = newSize;
gl.Viewport(0, 0, newSize.Width, newSize.Height);
gl.Scissor(0, 0, newSize.Width, newSize.Height);
frameBufferWindow = new WeakReference(Window);
frameBufferLayer = new WeakReference(Layer);
}