def setup_texture(volume):
## Set multitexturing number ##
#gl.gl.glActiveTextureARB(texture0_arb+volume)
## Setup texturing parameters ##
gl.glTexParameterf(gl.GL_TEXTURE_3D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
gl.glTexParameterf(gl.GL_TEXTURE_3D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_3D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP)
gl.glTexParameteri(gl.GL_TEXTURE_3D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP)
gl.glTexParameteri(gl.GL_TEXTURE_3D, gl.GL_TEXTURE_WRAP_R, gl.GL_CLAMP)
## Setup texture coordinate generation parameters ##
gl.glEnable(gl.GL_TEXTURE_GEN_S)
gl.glEnable(gl.GL_TEXTURE_GEN_T)
gl.glEnable(gl.GL_TEXTURE_GEN_R)
## Texture coordinates will be generated in eye-centered coordinates ##
gl.glTexGeni(gl.GL_S, gl.GL_TEXTURE_GEN_MODE, gl.GL_EYE_LINEAR)
gl.glTexGeni(gl.GL_T, gl.GL_TEXTURE_GEN_MODE, gl.GL_EYE_LINEAR)
gl.glTexGeni(gl.GL_R, gl.GL_TEXTURE_GEN_MODE, gl.GL_EYE_LINEAR)
## Object coordinates will be translated 1:1 to texture coordinates ##
gl.glTexGenfv(gl.GL_S, gl.GL_EYE_PLANE, [1,0,0,0])
gl.glTexGenfv(gl.GL_T, gl.GL_EYE_PLANE, [0,1,0,0])
gl.glTexGenfv(gl.GL_R, gl.GL_EYE_PLANE, [0,0,1,0])
