mirror of
https://github.com/VolmitSoftware/Iris.git
synced 2025-07-01 07:25:51 +00:00
16 lines
468 B
GLSL
16 lines
468 B
GLSL
uniform sampler2D tex;
|
|
uniform float shadow_strength;
|
|
uniform float texel_size;
|
|
|
|
void main(void)
|
|
{
|
|
float colour_alpha = texture2D(tex,gl_TexCoord[0].xy).w;
|
|
float shadow_alpha = texture2D(tex,gl_TexCoord[0].xy - vec2(texel_size)).w * shadow_strength;
|
|
|
|
float combined_alpha = 1.0 - (1.0-shadow_alpha)*(1.0-colour_alpha);
|
|
|
|
if(combined_alpha > 0.0) colour_alpha /= combined_alpha;
|
|
|
|
gl_FragColor = gl_Color * vec4(vec3(colour_alpha), combined_alpha);
|
|
}
|