diff options
Diffstat (limited to 'src/extras/shaders/colourfilterVC.frag')
-rw-r--r-- | src/extras/shaders/colourfilterVC.frag | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/extras/shaders/colourfilterVC.frag b/src/extras/shaders/colourfilterVC.frag new file mode 100644 index 00000000..9db3950e --- /dev/null +++ b/src/extras/shaders/colourfilterVC.frag @@ -0,0 +1,27 @@ +uniform sampler2D tex0; +uniform vec4 u_blurcolor; + +FSIN vec4 v_color; +FSIN vec2 v_tex0; +FSIN float v_fog; + +void +main(void) +{ + float a = u_blurcolor.a; + vec4 doublec = clamp(u_blurcolor*2.0, 0.0, 1.0); + vec4 dst = texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y)); + vec4 prev = dst; + for(int i = 0; i < 5; i++){ + vec4 tmp = dst*(1.0-a) + prev*doublec*a; + tmp += prev*u_blurcolor; + tmp += prev*u_blurcolor; + prev = clamp(tmp, 0.0, 1.0); + } + vec4 color; + color.rgb = prev.rgb; + color.a = 1.0f; + + FRAGCOLOR(color); +} + |