#extension GL_EXT_texture_array : enable vec4 texture1DArray(sampler1DArray sampler, vec2 coord); vec4 texture1DArray(sampler1DArray sampler, vec2 coord, float bias); vec4 texture2DArray(sampler2DArray sampler, vec3 coord); vec4 texture2DArray(sampler2DArray sampler, vec3 coord, float bias); vec4 shadow1DArray(sampler1DArrayShadow sampler, vec3 coord); vec4 shadow1DArray(sampler1DArrayShadow sampler, vec3 coord, float bias); vec4 shadow2DArray(sampler2DArrayShadow sampler, vec4 coord);