fteqw/engine/shaders/vulkan/bloom_filter.glsl

22 lines
426 B
GLSL

!!samps 1
!!cvar3f r_bloom_filter=.7,.7,.7
#include "sys/defs.h"
//the bloom filter
//filter out any texels which are not to bloom
layout(location=0) varying vec2 tc;
#ifdef VERTEX_SHADER
void main ()
{
tc = v_texcoord;
gl_Position = ftetransform();
}
#endif
#ifdef FRAGMENT_SHADER
void main ()
{
gl_FragColor.rgb = (texture2D(s_t0, tc).rgb - cvar_r_bloom_filter)/(1.0-cvar_r_bloom_filter);
}
#endif