/usr/src/castle-game-engine-5.2.0/opengl/glsl/image.fs.inc is in castle-game-engine-src 5.2.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | { -*- buffer-read-only: t -*- }
{ DON'T EDIT -- this file was automatically generated from "image.fs" }
'#ifdef GL_ES' + LineEnding +
'precision mediump float;' + LineEnding +
'#endif' + LineEnding +
'' + LineEnding +
'varying vec2 tex_coord_frag;' + LineEnding +
'uniform sampler2D texture;' + LineEnding +
'' + LineEnding +
'#ifdef COLOR_UNIFORM' + LineEnding +
'uniform vec4 color;' + LineEnding +
'#endif' + LineEnding +
'' + LineEnding +
'void main(void)' + LineEnding +
'{' + LineEnding +
'#ifdef COLOR_UNIFORM' + LineEnding +
' gl_FragColor = color;' + LineEnding +
'#ifdef TEXTURE_HAS_ONLY_ALPHA' + LineEnding +
' gl_FragColor.a *= texture2D(texture, tex_coord_frag).a;' + LineEnding +
'#else' + LineEnding +
' gl_FragColor *= texture2D(texture, tex_coord_frag);' + LineEnding +
'#endif' + LineEnding +
'#else' + LineEnding +
' gl_FragColor = texture2D(texture, tex_coord_frag);' + LineEnding +
'#endif' + LineEnding +
'' + LineEnding +
'#ifdef ALPHA_TEST' + LineEnding +
' if (gl_FragColor.a < 0.5) discard;' + LineEnding +
'#endif' + LineEnding +
'}' + LineEnding +
''
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