protected override void OnRenderFrame(FrameEventArgs e)
{
// called once per frame; render
app.Tick();
if (terminated)
{
Exit();
return;
}
// convert MyApplication.screen to OpenGL texture
GL.BindTexture(TextureTarget.Texture2D, screenID);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba,
app.screen.width, app.screen.height, 0,
OpenTK.Graphics.OpenGL.PixelFormat.Bgra,
PixelType.UnsignedByte, app.screen.pixels
);
// draw screen filling quad
GL.Begin(PrimitiveType.Quads);
GL.TexCoord2(0.0f, 1.0f); GL.Vertex2(-1.0f, -1.0f);
GL.TexCoord2(1.0f, 1.0f); GL.Vertex2(1.0f, -1.0f);
GL.TexCoord2(1.0f, 0.0f); GL.Vertex2(1.0f, 1.0f);
GL.TexCoord2(0.0f, 0.0f); GL.Vertex2(-1.0f, 1.0f);
GL.End();
app.RenderGL();
// tell OpenTK we're done rendering
SwapBuffers();
}
protected override void OnRenderFrame(FrameEventArgs e)
{
// called once per frame; render
app.Tick();
if (terminated)
{
Exit();
return;
}
// set the state for rendering the quad
GL.ClearColor(Color.Black);
GL.Enable(EnableCap.Texture2D);
GL.Disable(EnableCap.DepthTest);
GL.Color3(1.0f, 1.0f, 1.0f);
// convert MyApplication.Screen to OpenGL texture
GL.BindTexture(TextureTarget.Texture2D, screenID);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba,
app.screen.width, app.screen.height, 0,
OpenTK.Graphics.OpenGL.PixelFormat.Bgra,
PixelType.UnsignedByte, app.screen.pixels
);
// draw screen filling quad
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
// draw screen filling quad
GL.Begin(PrimitiveType.Quads);
GL.TexCoord2(0.0f, 1.0f); GL.Vertex2(-1.0f, -1.0f);
GL.TexCoord2(1.0f, 1.0f); GL.Vertex2(1.0f, -1.0f);
GL.TexCoord2(1.0f, 0.0f); GL.Vertex2(1.0f, 1.0f);
GL.TexCoord2(0.0f, 0.0f); GL.Vertex2(-1.0f, 1.0f);
GL.End();
// prepare for generic OpenGL rendering
GL.Enable(EnableCap.DepthTest);
GL.Clear(ClearBufferMask.DepthBufferBit);
GL.Disable(EnableCap.Texture2D);
// do OpenGL rendering
app.RenderGL();
// swap buffers
SwapBuffers();
}
