castle-game-engine-src 4.1.1-1 / usr / src / castle-game-engine-4.1.1 / x3d / opengl / glsl / screen_effect_library.glsl.inc

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/usr/src/castle-game-engine-4.1.1/x3d/opengl/glsl/screen_effect_library.glsl.inc is in castle-game-engine-src 4.1.1-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

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{ -*- buffer-read-only: t -*- }
{ DON'T EDIT -- this file was automatically generated from "screen_effect_library.glsl" }
'/* The library of common functions for GLSL screen effects.' + LineEnding + 
'   The ObjectPascal code that includes this will take care to define (or not)' + LineEnding + 
'   symbols MULTI_SAMPLING_x, DEPTH at the beginning of this file.' + LineEnding + 
'   Screen effect code using these functions is safe to work both with and without' + LineEnding + 
'   multi-sampling.' + LineEnding + 
'*/' + LineEnding + 
'' + LineEnding + 
'#ifdef MULTI_SAMPLING' + LineEnding + 
'  #extension GL_ARB_texture_multisample : enable' + LineEnding + 
'  uniform sampler2DMS screen;' + LineEnding + 
'  #ifdef DEPTH' + LineEnding + 
'    uniform sampler2DMS screen_depth;' + LineEnding + 
'  #endif' + LineEnding + 
'#else' + LineEnding + 
'  #extension GL_ARB_texture_rectangle : enable' + LineEnding + 
'  uniform sampler2DRect screen;' + LineEnding + 
'  #ifdef DEPTH' + LineEnding + 
'    uniform sampler2DRect screen_depth;' + LineEnding + 
'  #endif' + LineEnding + 
'#endif' + LineEnding + 
'' + LineEnding + 
'ivec2 screen_position()' + LineEnding + 
'{' + LineEnding + 
'  return ivec2(int(gl_TexCoord[0].s), int(gl_TexCoord[0].t));' + LineEnding + 
'}' + LineEnding + 
'' + LineEnding + 
'int screen_x()' + LineEnding + 
'{' + LineEnding + 
'  return int(gl_TexCoord[0].s);' + LineEnding + 
'}' + LineEnding + 
'' + LineEnding + 
'int screen_y()' + LineEnding + 
'{' + LineEnding + 
'  return int(gl_TexCoord[0].t);' + LineEnding + 
'}' + LineEnding + 
'' + LineEnding + 
'vec4 screen_get_color(ivec2 position)' + LineEnding + 
'{' + LineEnding + 
'/* TODO: it would be nice to autogenerate this code */' + LineEnding + 
'#ifdef MULTI_SAMPLING_16' + LineEnding + 
'  return ( texelFetch(screen, position, 0) +' + LineEnding + 
'           texelFetch(screen, position, 1) +' + LineEnding + 
'           texelFetch(screen, position, 2) +' + LineEnding + 
'           texelFetch(screen, position, 3) +' + LineEnding + 
'           texelFetch(screen, position, 4) +' + LineEnding + 
'           texelFetch(screen, position, 5) +' + LineEnding + 
'           texelFetch(screen, position, 6) +' + LineEnding + 
'           texelFetch(screen, position, 7) +' + LineEnding + 
'           texelFetch(screen, position, 8) +' + LineEnding + 
'           texelFetch(screen, position, 9) +' + LineEnding + 
'           texelFetch(screen, position, 10) +' + LineEnding + 
'           texelFetch(screen, position, 11) +' + LineEnding + 
'           texelFetch(screen, position, 12) +' + LineEnding + 
'           texelFetch(screen, position, 13) +' + LineEnding + 
'           texelFetch(screen, position, 14) +' + LineEnding + 
'           texelFetch(screen, position, 15) ) / 16.0;' + LineEnding + 
'#else' + LineEnding + 
'#ifdef MULTI_SAMPLING_8' + LineEnding + 
'  return ( texelFetch(screen, position, 0) +' + LineEnding + 
'           texelFetch(screen, position, 1) +' + LineEnding + 
'           texelFetch(screen, position, 2) +' + LineEnding + 
'           texelFetch(screen, position, 3) +' + LineEnding + 
'           texelFetch(screen, position, 4) +' + LineEnding + 
'           texelFetch(screen, position, 5) +' + LineEnding + 
'           texelFetch(screen, position, 6) +' + LineEnding + 
'           texelFetch(screen, position, 7) ) / 8.0;' + LineEnding + 
'#else' + LineEnding + 
'#ifdef MULTI_SAMPLING_4' + LineEnding + 
'  return ( texelFetch(screen, position, 0) +' + LineEnding + 
'           texelFetch(screen, position, 1) +' + LineEnding + 
'           texelFetch(screen, position, 2) +' + LineEnding + 
'           texelFetch(screen, position, 3) ) / 4.0;' + LineEnding + 
'#else' + LineEnding + 
'#ifdef MULTI_SAMPLING_2' + LineEnding + 
'  return ( texelFetch(screen, position, 0) +' + LineEnding + 
'           texelFetch(screen, position, 1) ) / 2.0;' + LineEnding + 
'#else' + LineEnding + 
'  return texture2DRect(screen, vec2(position)+vec2(0.5));' + LineEnding + 
'#endif' + LineEnding + 
'#endif' + LineEnding + 
'#endif' + LineEnding + 
'#endif' + LineEnding + 
'}' + LineEnding + 
'' + LineEnding + 
'#ifdef DEPTH' + LineEnding + 
'float screen_get_depth(ivec2 position)' + LineEnding + 
'{' + LineEnding + 
'/* TODO: it would be nice to autogenerate this code */' + LineEnding + 
'#ifdef MULTI_SAMPLING_16' + LineEnding + 
'  return ( texelFetch(screen_depth, position, 0).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 1).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 2).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 3).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 4).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 5).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 6).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 7).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 8).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 9).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 10).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 11).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 12).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 13).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 14).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 15).r ) / 16.0;' + LineEnding + 
'#else' + LineEnding + 
'#ifdef MULTI_SAMPLING_8' + LineEnding + 
'  return ( texelFetch(screen_depth, position, 0).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 1).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 2).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 3).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 4).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 5).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 6).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 7).r ) / 8.0;' + LineEnding + 
'#else' + LineEnding + 
'#ifdef MULTI_SAMPLING_4' + LineEnding + 
'  return ( texelFetch(screen_depth, position, 0).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 1).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 2).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 3).r ) / 4.0;' + LineEnding + 
'#else' + LineEnding + 
'#ifdef MULTI_SAMPLING_2' + LineEnding + 
'  return ( texelFetch(screen_depth, position, 0).r +' + LineEnding + 
'           texelFetch(screen_depth, position, 1).r ) / 2.0;' + LineEnding + 
'#else' + LineEnding + 
'  return texture2DRect(screen_depth, vec2(position)+vec2(0.5)).r;' + LineEnding + 
'#endif' + LineEnding + 
'#endif' + LineEnding + 
'#endif' + LineEnding + 
'#endif' + LineEnding + 
'}' + LineEnding + 
'#endif' + LineEnding + 
''

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