OpenGL ES; rendering texture created from CGBitmapContext

Question

I am executing the following, which I have derived from a few different tutorials (Just a single render pass, initialisation code not shown but works fine for untextured pri

Answer 1

The problem is that width and height are not powers of two. There are two solutions:

• Use the texture rectangle extension. Set the texture target to GL_TEXTURE_RECTANGLE_ARB instead of GL_TEXTURE_2D. You will have to enable this extension before using it. Note that rectangle textures do not support mipmaps.
• Use powers of two for texture dimensions.