fteqw/engine/shaders/glsl/terrain.glsl
Spoike e7752c49bd console should activate on android
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
2012-07-20 01:46:05 +00:00

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GLSL

!!permu FOG
#include "sys/fog.h"
varying vec2 tc;
varying vec2 lm;
#ifdef VERTEX_SHADER
attribute vec2 v_texcoord;
attribute vec2 v_lmcoord;
void main (void)
{
tc = v_texcoord.st;
lm = v_lmcoord.st;
gl_Position = ftetransform();
}
#endif
#ifdef FRAGMENT_SHADER
//four texture passes
uniform sampler2D s_t0;
uniform sampler2D s_t1;
uniform sampler2D s_t2;
uniform sampler2D s_t3;
//mix values
uniform sampler2D s_t4;
void main (void)
{
vec4 m = texture2D(s_t4, lm);
gl_FragColor = fog4(vec4(m.aaa,1.0)*(
texture2D(s_t0, tc)*m.r
+ texture2D(s_t1, tc)*m.g
+ texture2D(s_t2, tc)*m.b
+ texture2D(s_t3, tc)*(1.0 - (m.r + m.g + m.b))
));
}
#endif