In this post we will be discussing how to use OpenGL Shader Language to manipulate pixels and create Image filter effects.Īs with any OpenGL app, we will start with setting up the view. This can be crucial for Image processing applications, especially in mobile environment where the resources available are relatively lesser. Using “OpenGL” for Image Processing enables us to completely utilize the power of Graphics Processing Unit (GPU) hence the image processing will be faster also it reduces the load on CPU. One such possibility is image processing. OpenGL is easy to understand, but its simplicity and orthogonality enable many interesting possibilities. OpenGL is widely adopted as the graphics API of choice for real-time interactive 3D graphics applications. A basic example for rendering a texture on to a surface can be found Note: This post assumes some basic knowledge in setting up an OpenGL app in Android. Simple Image Filter using OpenGL ES in Android kp
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