122 lines
3.4 KiB
C#
122 lines
3.4 KiB
C#
#region --- License ---
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/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
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* See license.txt for license info
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Text;
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using System.Windows.Forms;
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using OpenTK.OpenGL;
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using System.Threading;
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using System.Runtime.InteropServices;
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namespace Examples.Tests
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{
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public partial class S01_Call_Performance : Form /*, IExample*/
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{
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public S01_Call_Performance()
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{
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InitializeComponent();
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Application.Idle += new EventHandler(Application_Idle);
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// Force opengl functions
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GL.Viewport(0, 0, this.Width, this.Height);
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this.ShowDialog();
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}
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bool run = false;
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float[] v = new float[] { 0.0f, 0.0f };
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int i = 0;
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void dummy()
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{
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unsafe
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{
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//fixed (int* i_ptr = &i)
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{
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GCHandle h = GCHandle.Alloc(i, GCHandleType.Pinned);//.FromIntPtr((IntPtr)i_ptr);
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try
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{
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i = (int)h.AddrOfPinnedObject();
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}
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finally
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{
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h.Free();
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}
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}
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}
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}
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[DllImport("opengl32.dll", EntryPoint = "glVertex2f")]
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extern static void glVertex2f_1(float a, float b);
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[System.Security.SuppressUnmanagedCodeSecurity()]
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[DllImport("opengl32.dll", EntryPoint = "glVertex2f")]
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extern static void glVertex2f_2(float a, float b);
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[System.Security.SuppressUnmanagedCodeSecurity()]
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[DllImport("opengl32.dll", EntryPoint = "glVertex2fv")]
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extern static void glVertex2fv(float[] v);
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void Application_Idle(object sender, EventArgs e)
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{
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long count = 0;
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bool stop = false;
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if (!run)
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{
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run = true;
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GL.Clear(
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GL.Enums.ClearBufferMask.COLOR_BUFFER_BIT |
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GL.Enums.ClearBufferMask.DEPTH_BUFFER_BIT);
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//GL.Begin(GL.Enums.BeginMode.POINTS);
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System.Threading.Timer timer = new System.Threading.Timer(
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new TimerCallback(delegate { stop = true; }), null, 5000, Timeout.Infinite);
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while (!stop)
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{
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//GL.Vertex2(0.0f, 0.0f);
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GL.Vertex2(v);
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//GL.ARB.ActiveTexture(GL.Enums.ARB_multitexture.TEXTURE0_ARB);
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//dummy();
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//GL.ColorPointer(2, GL.Enums.ColorPointerType.FLOAT, 0, v);
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//glVertex2f_1(0.0f, 0.0f);
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//glVertex2f_2(0.0f, 0.0f);
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//glVertex2fv(v);
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count++;
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}
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//GL.End();
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//glControl1.Context.SwapBuffers();
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timer.Dispose();
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this.Hide();
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MessageBox.Show(String.Format("{0} calls/second.", count / 5.0));
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Application.Idle -= Application_Idle;
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this.Close();
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}
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}
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#region IExample Members
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public void Launch()
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{
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}
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#endregion
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}
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}
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