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Viewing changes to assets/shaders/natural.fsh

  • Committer: Sérgio Benjamim
  • Date: 2017-01-02 00:12:05 UTC
  • Revision ID: sergio_br2@yahoo.com.br-20170102001205-cxbta9za203nmjwm
1.3.0 source (from ppsspp_1.3.0-r160.p5.l1762.a165.t83~56~ubuntu16.04.1.tar.xz).

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assets/shaders/natural.fsh
 
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// Natural Vision Shader, modified to use in PPSSPP.
 
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// by ShadX (Modded by SimoneT)
 
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// http://forums.ngemu.com/showthread.php?t=76098
 
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#ifdef GL_ES
 
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precision mediump float;
 
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precision mediump int;
 
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#endif
 
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uniform sampler2D sampler0;
 
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varying vec4 v_texcoord0;
 
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varying vec4 v_texcoord1;
 
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varying vec4 v_texcoord2;
 
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varying vec4 v_texcoord3;
 
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const mat3 RGBtoYIQ = mat3(0.299, 0.596, 0.212, 
 
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                           0.587,-0.275,-0.523, 
 
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                           0.114,-0.321, 0.311);
 
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const mat3 YIQtoRGB = mat3(1.0, 1.0, 1.0,
 
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                           0.95568806036115671171,-0.27158179694405859326,-1.1081773266826619523,
 
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                           0.61985809445637075388,-0.64687381613840131330, 1.7050645599191817149);
 
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const vec3 val00 = vec3( 1.2, 1.2, 1.2);
 
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void main()
 
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{
 
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vec3 c0,c1;
 
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c0 = texture2D(sampler0,v_texcoord0.xy).xyz;
 
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c0+=(texture2D(sampler0,v_texcoord0.zy).xyz)*0.25;
 
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c0+=(texture2D(sampler0,v_texcoord0.xw).xyz)*0.25;
 
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c0+=(texture2D(sampler0,v_texcoord0.zw).xyz)*0.125;
 
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c0+= texture2D(sampler0,v_texcoord1.xy).xyz;
 
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c0+=(texture2D(sampler0,v_texcoord1.zy).xyz)*0.25;
 
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c0+=(texture2D(sampler0,v_texcoord1.xw).xyz)*0.25;
 
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c0+=(texture2D(sampler0,v_texcoord1.zw).xyz)*0.125;
 
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c0+= texture2D(sampler0,v_texcoord2.xy).xyz;
 
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c0+=(texture2D(sampler0,v_texcoord2.zy).xyz)*0.25;
 
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c0+=(texture2D(sampler0,v_texcoord2.xw).xyz)*0.25;
 
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c0+=(texture2D(sampler0,v_texcoord2.zw).xyz)*0.125;
 
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c0+= texture2D(sampler0,v_texcoord3.xy).xyz;
 
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c0+=(texture2D(sampler0,v_texcoord3.zy).xyz)*0.25;
 
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c0+=(texture2D(sampler0,v_texcoord3.xw).xyz)*0.25;
 
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c0+=(texture2D(sampler0,v_texcoord3.zw).xyz)*0.125;
 
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c0*=0.153846153846;
 
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c1=RGBtoYIQ*c0;
 
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c1=vec3(pow(c1.x,val00.x),c1.yz*val00.yz);
 
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gl_FragColor.rgb=YIQtoRGB*c1;
 
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gl_FragColor.a = 1.0;
 
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}