fteqw/engine/shaders/glsl/defaultadditivesprite.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

28 lines
633 B
GLSL

!!permu FOG
!!samps 1
//meant to be used for additive stuff. presumably particles and sprites. though actually its only flashblend effects that use this at the time of writing.
//includes fog, apparently.
#include "sys/fog.h"
#ifdef VERTEX_SHADER
attribute vec2 v_texcoord;
attribute vec4 v_colour;
varying vec2 tc;
varying vec4 vc;
void main ()
{
tc = v_texcoord;
vc = v_colour;
gl_Position = ftetransform();
}
#endif
#ifdef FRAGMENT_SHADER
varying vec2 tc;
varying vec4 vc;
uniform vec4 e_colourident;
void main ()
{
gl_FragColor = fog4additive(texture2D(s_t0, tc) * vc * e_colourident);
}
#endif