1 extension EXT_gpu_shader4
2 # Buffer textures have their own extension
3 optional GL_SAMPLER_BUFFER_EXT
4 optional GL_INT_SAMPLER_BUFFER_EXT
5 optional GL_UNSIGNED_INT_SAMPLER_BUFFER_EXT
6 # Ditto for rectangular textures
7 optional GL_INT_SAMPLER_2D_RECT_EXT
8 optional GL_UNSIGNED_INT_SAMPLER_2D_RECT_EXT