33 lines
651 B
GLSL
33 lines
651 B
GLSL
//======= Copyright (c) 2015-2020 Vera Visions LLC. All rights reserved. =======
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//
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// Purpose:
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//
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// Shader used for fading out surfaces after a certain distance.
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// It only has a diffuse map.
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//==============================================================================
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!!ver 110
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!!samps diffuse=0
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#include "sys/defs.h"
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#include "sys/fog.h"
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varying vec2 tex_c;
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varying vec4 vex_color;
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#ifdef VERTEX_SHADER
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void main ()
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{
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tex_c = v_texcoord;
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vex_color = 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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void main ()
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{
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vec4 diffuse_f = texture2D(s_diffuse, tex_c) * vex_color.a;
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gl_FragColor = diffuse_f;
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}
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#endif
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