Manually update texture opengl

OpenGL ES also offers other texture modes that let you do different and more specialized effects. Binding to a texture tells OpenGL that subsequent OpenGL calls should affect this texture. You're quite right. I ended up discovering this in a later lesson, but didn't come back and update this one, as How do you manually load opengl constants and function? I don't want to use a loading library. For the items that I am passing to the GPU to draw, I was thinking of passing a texture (containing the axis arrows/rotation circle) that I can apply on the object texture so it will both be displayed. Update the texture for channel one if(channelOne == 1) { glBindTexture(GL_TEXTURE_2D, texture[0]); glTexImage2D(GL_TEXTURE_2D, 0 Re: Switching textures in opengl?? Found the problem, it only took me 4 hours : ) When generating the textures glTexParameteri must be set for all Opengl Update Texture! study focus room education degrees, courses structure, learning courses. Updating a texture in OpenGL with glTexImage2D - Stack Education. Details: In modern OpenGL there are 4 different methods to update 2D textures: glTexImage2D - the slowest one, recreates In OpenGL textures can be used for many things, but most commonly it's mapping an image to a polygon (for example a triangle). In order to map the texture to a triangle (or another polygon) we have to tell each vertex which part of the texture it corresponds to.