Opentk/Source/Examples/Tests/S01_Call_Performance.cs
2007-08-01 09:32:49 +00:00

107 lines
3.2 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using OpenTK.OpenGL;
using System.Threading;
using System.Runtime.InteropServices;
namespace Examples.Tests
{
public partial class S01_Call_Performance : Form, IExample
{
public S01_Call_Performance()
{
InitializeComponent();
Application.Idle += new EventHandler(Application_Idle);
// Force opengl functions
GL.Viewport(0, 0, this.Width, this.Height);
this.ShowDialog();
}
bool run = false;
float[] v = new float[] { 0.0f, 0.0f };
int i = 0;
void dummy()
{
unsafe
{
//fixed (int* i_ptr = &i)
{
GCHandle h = GCHandle.Alloc(i, GCHandleType.Pinned);//.FromIntPtr((IntPtr)i_ptr);
try
{
i = (int)h.AddrOfPinnedObject();
}
finally
{
h.Free();
}
}
}
}
[DllImport("opengl32.dll", EntryPoint = "glVertex2f")]
extern static void glVertex2f_1(float a, float b);
[System.Security.SuppressUnmanagedCodeSecurity()]
[DllImport("opengl32.dll", EntryPoint = "glVertex2f")]
extern static void glVertex2f_2(float a, float b);
[System.Security.SuppressUnmanagedCodeSecurity()]
[DllImport("opengl32.dll", EntryPoint = "glVertex2fv")]
extern static void glVertex2fv(float[] v);
void Application_Idle(object sender, EventArgs e)
{
long count = 0;
bool stop = false;
if (!run)
{
run = true;
GL.Clear(
GL.Enums.ClearBufferMask.COLOR_BUFFER_BIT |
GL.Enums.ClearBufferMask.DEPTH_BUFFER_BIT);
//GL.Begin(GL.Enums.BeginMode.POINTS);
System.Threading.Timer timer = new System.Threading.Timer(
new TimerCallback(delegate { stop = true; }), null, 5000, Timeout.Infinite);
while (!stop)
{
GL.Vertex2f(0.0f, 0.0f);
//GL.Vertex2fv(v);
//GL.ARB.ActiveTexture(GL.Enums.ARB_multitexture.TEXTURE0_ARB);
//dummy();
GL.ColorPointer(2, GL.Enums.ColorPointerType.FLOAT, 0, v);
//glVertex2f_1(0.0f, 0.0f);
//glVertex2f_2(0.0f, 0.0f);
//glVertex2fv(v);
count++;
}
//GL.End();
//glControl1.Context.SwapBuffers();
timer.Dispose();
this.Hide();
MessageBox.Show(String.Format("{0} calls/second.", count / 5.0));
Application.Idle -= Application_Idle;
this.Close();
}
}
}
}