1GL_EXT_texture_array 2http://developer.download.nvidia.com/opengl/specs/GL_EXT_texture_array.txt 3GL_EXT_texture_array 4 5 GL_TEXTURE_1D_ARRAY_EXT 0x8C18 6 GL_PROXY_TEXTURE_1D_ARRAY_EXT 0x8C19 7 GL_TEXTURE_2D_ARRAY_EXT 0x8C1A 8 GL_PROXY_TEXTURE_2D_ARRAY_EXT 0x8C1B 9 GL_TEXTURE_BINDING_1D_ARRAY_EXT 0x8C1C 10 GL_TEXTURE_BINDING_2D_ARRAY_EXT 0x8C1D 11 GL_MAX_ARRAY_TEXTURE_LAYERS_EXT 0x88FF 12 GL_COMPARE_REF_DEPTH_TO_TEXTURE_EXT 0x884E 13 void glFramebufferTextureLayerEXT (GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer) 14