e7752c49bd
fixed a crash that can happen when just starting a new map fixed a q3bsp pvs crash IF_CLAMP now generates dupes as needed. terrain: water, shading, static meshes, collision rewritten. git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4080 fc73d0e0-1445-4013-8a0c-d673dee63da5
42 lines
No EOL
704 B
GLSL
42 lines
No EOL
704 B
GLSL
!!permu FOG
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#include "sys/fog.h"
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varying vec2 tc;
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varying vec2 lm;
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#ifdef VERTEX_SHADER
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attribute vec2 v_texcoord;
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attribute vec2 v_lmcoord;
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void main (void)
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{
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tc = v_texcoord.st;
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lm = v_lmcoord.st;
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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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//four texture passes
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uniform sampler2D s_t0;
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uniform sampler2D s_t1;
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uniform sampler2D s_t2;
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uniform sampler2D s_t3;
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//mix values
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uniform sampler2D s_t4;
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void main (void)
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{
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vec4 m = texture2D(s_t4, lm);
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gl_FragColor = fog4(vec4(m.aaa,1.0)*(
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texture2D(s_t0, tc)*m.r
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+ texture2D(s_t1, tc)*m.g
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+ texture2D(s_t2, tc)*m.b
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+ texture2D(s_t3, tc)*(1.0 - (m.r + m.g + m.b))
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));
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}
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#endif |