//------------------------------------------------------------------------------------------------------------------------
// CreateGLTexture()
//------------------------------------------------------------------------------------------------------------------------
private void CreateGLTexture()
{
if (_glTexture != null)
if (_glTexture.Length > 0)
if (_glTexture[0] != UNDEFINED_GLTEXTURE)
destroyGLTexture ();
_glTexture = new int[1];
if (_bitmap == null)
_bitmap = new Bitmap (64, 64);
GL.GenTextures (1, _glTexture);
GL.BindTexture (GL.TEXTURE_2D, _glTexture[0]);
GL.TexParameteri (GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR);//GL.NEAREST);
GL.TexParameteri (GL.TEXTURE_2D, GL.TEXTURE_MAG_FILTER, GL.LINEAR);
GL.TexParameteri (GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE_EXT);
GL.TexParameteri (GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE_EXT);
UpdateGLTexture();
GL.BindTexture (GL.TEXTURE_2D, 0);
lastBound = null;
}
//------------------------------------------------------------------------------------------------------------------------
// UpdateGLTexture()
//------------------------------------------------------------------------------------------------------------------------
public void UpdateGLTexture()
{
BitmapData data = _bitmap.LockBits (new System.Drawing.Rectangle (0, 0, _bitmap.Width, _bitmap.Height),
ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.BindTexture (GL.TEXTURE_2D, _glTexture[0]);
GL.TexImage2D(GL.TEXTURE_2D, 0, GL.RGBA, _bitmap.Width, _bitmap.Height, 0,
GL.BGRA, GL.UNSIGNED_BYTE, data.Scan0);
_bitmap.UnlockBits(data);
lastBound = null;
}
//------------------------------------------------------------------------------------------------------------------------
// Clone()
//------------------------------------------------------------------------------------------------------------------------
public Texture2D Clone(bool deepCopy=false)
{
Bitmap bitmap;
if (deepCopy) {
bitmap = _bitmap.Clone () as Bitmap;
} else {
bitmap = _bitmap;
}
Texture2D newTexture = new Texture2D(0, 0);
newTexture.SetBitmap(bitmap);
return newTexture;
}
//------------------------------------------------------------------------------------------------------------------------
// Bind()
//------------------------------------------------------------------------------------------------------------------------
public void Bind()
{
if (lastBound == this) return;
lastBound = this;
GL.BindTexture(GL.TEXTURE_2D, _glTexture[0]);
}
//------------------------------------------------------------------------------------------------------------------------
// GetInstance()
//------------------------------------------------------------------------------------------------------------------------
public static Texture2D GetInstance(string filename)
{
Texture2D tex2d = LoadCache[filename] as Texture2D;
if (tex2d == null) {
tex2d = new Texture2D(filename);
LoadCache[filename] = tex2d;
}
tex2d.count ++;
return tex2d;
}
//------------------------------------------------------------------------------------------------------------------------
// initializeFromTexture()
//------------------------------------------------------------------------------------------------------------------------
protected void initializeFromTexture(Texture2D texture)
{
_texture = texture;
_bounds = new Rectangle(0, 0, _texture.width, _texture.height);
setUVs();
}