43 lines
679 B
GLSL
43 lines
679 B
GLSL
!!ver 130
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!!permu FOG
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!!samps 1
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!!cvardf gl_mono=0
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#include "sys/fog.h"
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#ifdef VERTEX_SHADER
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attribute vec2 v_texcoord;
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attribute vec4 v_colour;
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varying vec2 tc;
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varying vec4 vc;
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void main ()
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{
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tc = v_texcoord;
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vc = v_colour;
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gl_Position = ftetransform();
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}
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#endif
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#ifdef FRAGMENT_SHADER
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varying vec2 tc;
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varying vec4 vc;
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uniform vec4 e_colourident;
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uniform vec4 e_vlscale;
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void main ()
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{
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vec4 col = texture2D(s_t0, tc);
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#ifdef MASK
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if (col.a < float(MASK))
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discard;
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#endif
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col = fog4blend(col * vc * e_colourident * e_vlscale);
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if (gl_mono == 1.0) {
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float bw = (col.r + col.g + col.b) / 3.0;
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col.rgb = vec3(bw, bw, bw) * 1.5;
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}
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gl_FragColor = col;
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}
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#endif
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