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Check that OpenGL resources have really been allocated, before deleting them in Unload().

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This commit is contained in:
the_fiddler 2009-02-22 16:01:29 +00:00
parent 6e5eaf4653
commit 37755cb398
2 changed files with 13 additions and 7 deletions
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11
Source/Examples/OpenGL/FrameBufferObject.cs
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@ -206,11 +206,14 @@ namespace Examples.Tutorial
public override void OnUnload(EventArgs e)
{
// Clean up what we allocated before exiting
GL.DeleteTextures(1, ref ColorTexture);
GL.DeleteTextures(1, ref DepthTexture);
GL.Ext.DeleteFramebuffers(1, ref FBOHandle);
if (ColorTexture != 0)
GL.DeleteTextures(1, ref ColorTexture);
base.OnUnload(e);
if (DepthTexture != 0)
GL.DeleteTextures(1, ref DepthTexture);
if (FBOHandle != 0)
GL.Ext.DeleteFramebuffers(1, ref FBOHandle);
}
protected override void OnResize(OpenTK.Platform.ResizeEventArgs e)

9
Source/Examples/OpenGL/JuliaSetFractal.cs
View file

@ -191,12 +191,15 @@ namespace Examples.Tutorial
#endregion
#region OnUnLoad
#region OnUnload
public override void OnUnload(EventArgs e)
{
GL.DeleteTextures(1, ref TextureObject);
GL.DeleteProgram(ProgramObject); // implies deleting the previously flagged ShaderObjects
if (TextureObject != 0)
GL.DeleteTextures(1, ref TextureObject);
if (ProgramObject != 0)
GL.DeleteProgram(ProgramObject); // implies deleting the previously flagged ShaderObjects
}
#endregion