fteqw/engine/shaders/glsl/bloom_blur.glsl
Spoike fb214142a3 tcpconnect fixes
lots of hexen2 fixes
fixed clipped decals again, still not using any...
fixed zips over 2g
rewrote bloom to use glsl. should be slightly more usable now.
lots more hexen2 fixes

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@3957 fc73d0e0-1445-4013-8a0c-d673dee63da5
2012-01-17 07:57:46 +00:00

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477 B
GLSL

//apply gaussian filter
varying vec2 tc;
#ifdef VERTEX_SHADER
attribute vec2 v_texcoord;
void main ()
{
tc = v_texcoord;
gl_Position = ftetransform();
}
#endif
#ifdef FRAGMENT_SHADER
/*offset should be 1.2 pixels away from the center*/
uniform vec3 e_glowmod;
uniform sampler2D s_t0;
void main ()
{
gl_FragColor =
0.3125 * texture2D(s_t0, tc - e_glowmod.st) +
0.375 * texture2D(s_t0, tc) +
0.3125 * texture2D(s_t0, tc + e_glowmod.st);
}
#endif