fteqw/engine/shaders/glsl/bloom_blur.glsl
Spoike 5b4756f3d9 Lazy GLSL loading, for faster load times.
Fixed some xim issues, for proper keyboard input under x11.
Cmake project can now work for cross compiling win32 targets.
Some other fun-but-pointless stuff.



git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5344 fc73d0e0-1445-4013-8a0c-d673dee63da5
2018-11-27 16:48:19 +00:00

24 lines
465 B
GLSL

!!samps 1
//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;
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