/usr/share/kodi/system/shaders/ is in kodi-data 2:17.1+dfsg1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kodi/system/shaders/convolution-4x4.glsl
/usr/share/kodi/system/shaders/convolution-4x4_d3d.fx
/usr/share/kodi/system/shaders/convolution-6x6.glsl
/usr/share/kodi/system/shaders/convolution-6x6_d3d.fx
/usr/share/kodi/system/shaders/convolutionsep-4x4_d3d.fx
/usr/share/kodi/system/shaders/convolutionsep-6x6_d3d.fx
/usr/share/kodi/system/shaders/guishader_checkerboard_left.hlsl
/usr/share/kodi/system/shaders/guishader_checkerboard_right.hlsl
/usr/share/kodi/system/shaders/guishader_common.hlsl
/usr/share/kodi/system/shaders/guishader_default.hlsl
/usr/share/kodi/system/shaders/guishader_fonts.hlsl
/usr/share/kodi/system/shaders/guishader_frag_default.glsl
/usr/share/kodi/system/shaders/guishader_frag_fonts.glsl
/usr/share/kodi/system/shaders/guishader_frag_multi.glsl
/usr/share/kodi/system/shaders/guishader_frag_multi_blendcolor.glsl
/usr/share/kodi/system/shaders/guishader_frag_rgba.glsl
/usr/share/kodi/system/shaders/guishader_frag_rgba_blendcolor.glsl
/usr/share/kodi/system/shaders/guishader_frag_rgba_bob.glsl
/usr/share/kodi/system/shaders/guishader_frag_rgba_bob_oes.glsl
/usr/share/kodi/system/shaders/guishader_frag_rgba_oes.glsl
/usr/share/kodi/system/shaders/guishader_frag_texture.glsl
/usr/share/kodi/system/shaders/guishader_frag_texture_noblend.glsl
/usr/share/kodi/system/shaders/guishader_interlaced_left.hlsl
/usr/share/kodi/system/shaders/guishader_interlaced_right.hlsl
/usr/share/kodi/system/shaders/guishader_multi_texture_blend.hlsl
/usr/share/kodi/system/shaders/guishader_texture.hlsl
/usr/share/kodi/system/shaders/guishader_texture_noblend.hlsl
/usr/share/kodi/system/shaders/guishader_vert.glsl
/usr/share/kodi/system/shaders/guishader_vert.hlsl
/usr/share/kodi/system/shaders/guishader_video.hlsl
/usr/share/kodi/system/shaders/guishader_video_control.hlsl
/usr/share/kodi/system/shaders/output.glsl
/usr/share/kodi/system/shaders/stretch.glsl
/usr/share/kodi/system/shaders/yuv2rgb_basic.glsl
/usr/share/kodi/system/shaders/yuv2rgb_basic_2d.arb
/usr/share/kodi/system/shaders/yuv2rgb_basic_2d_UYVY.arb
/usr/share/kodi/system/shaders/yuv2rgb_basic_2d_YUY2.arb
/usr/share/kodi/system/shaders/yuv2rgb_basic_gles.glsl
/usr/share/kodi/system/shaders/yuv2rgb_basic_rect.arb
/usr/share/kodi/system/shaders/yuv2rgb_basic_rect_UYVY.arb
/usr/share/kodi/system/shaders/yuv2rgb_basic_rect_YUY2.arb
/usr/share/kodi/system/shaders/yuv2rgb_bob.glsl
/usr/share/kodi/system/shaders/yuv2rgb_bob_gles.glsl
/usr/share/kodi/system/shaders/yuv2rgb_d3d.fx
/usr/share/kodi/system/shaders/yuv2rgb_vertex.glsl
/usr/share/kodi/system/shaders/yuv2rgb_vertex_gles.glsl