/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/ is in castle-game-engine-src 4.1.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/Makefile
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/screen_effect_library.glsl
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/screen_effect_library.glsl.inc
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/shadow_map_common.fs
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/shadow_map_common.fs.inc
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/ssao.glsl
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/ssao.glsl.inc
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/template.fs
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/template.fs.inc
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/template.gs
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/template.gs.inc
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/template.vs
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/template.vs.inc
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/template_add_light.glsl
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/template_add_light.glsl.inc
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/template_test.x3dv
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/variance_shadow_map_common.fs
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/variance_shadow_map_common.fs.inc
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/variance_shadow_map_generate.fs
/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/variance_shadow_map_generate.fs.inc