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  1. Thank you, that's helpful i will use renderTexture! 🙂
  2. I'm getting confused. The problem is that shaders draw every frame taking extra resources instead of drawing once! i'm correct right ?
  3. I need to draw textures pixel by pixel faster. I can make colors buffer and use it to create texture, but that's not fast enough for me! I can use fragmentshaders but they update every frame is there any other way to do it that takes advantage of OpenGL performance without updating everyframe?!