#define SP_MAX_TEXTURE_SIZE (1 * 1024 * 1024 * 1024ULL) /* 1GB for now */
#define SP_MAX_TEXTURE_2D_LEVELS 15 /* 16K x 16K */
-#define SP_MAX_TEXTURE_3D_LEVELS 9 /* 256 x 256 x 256 */
+#define SP_MAX_TEXTURE_3D_LEVELS 12 /* 2048 x 2048 x 2048 */
#define SP_MAX_TEXTURE_CUBE_LEVELS 13 /* 4K x 4K */