fteqw/engine/shaders/vulkan/bloom_blur.glsl
Spoike b7784f41d9 Fix potentially serious vulkan performance issue.
Stripped obsolete vk_nv_dedicated_allocation extension.
Misc fixes for warnings.
Linux now defaults to using ~/.local/share/fte instead of ~/.fte for greater consistency.
Other misc linux tweaks.


git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5267 fc73d0e0-1445-4013-8a0c-d673dee63da5
2018-06-18 16:44:29 +00:00

23 lines
454 B
GLSL

!!samps 1
#include "sys/defs.h"
//apply gaussian filter
layout(location=0) varying vec2 tc;
#ifdef VERTEX_SHADER
void main ()
{
tc = v_texcoord;
gl_Position = ftetransform();
}
#endif
#ifdef FRAGMENT_SHADER
/*offset should be 1.2 pixels away from the center*/
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