27 lines
1,015 B
Text
27 lines
1,015 B
Text
|
#version 450 core
|
||
|
|
|
||
|
|
layout( location = 0 ) uniform sampler2D u_InputTexture;
|
||
|
|
layout( location = 1 ) uniform vec2 u_OutputSize;
|
||
|
|
layout( location = 2 ) uniform vec2 u_InputSize;
|
||
|
|
layout( location = 3 ) uniform int u_SourceLOD;
|
||
|
|
layout( location = 4 ) uniform vec2 u_Direction;
|
||
|
|
layout( location = 5 ) uniform vec3 u_Weights;
|
||
|
|
|
||
|
|
layout( location = 0 ) out vec3 color;
|
||
|
|
|
||
|
|
void main( void )
|
||
|
|
{
|
||
|
|
vec2 tmp = gl_FragCoord.xy / u_OutputSize;
|
||
|
|
vec2 displace1 = vec2( 2.5 ) * u_Direction / u_InputSize;
|
||
|
|
vec2 displace2 = vec2( 5. ) * u_Direction / u_InputSize;
|
||
|
|
float wt = u_Weights.x + u_Weights.y * 2 + u_Weights.z * 2;
|
||
|
|
color = u_Weights.x * textureLod( u_InputTexture , tmp , u_SourceLOD ).xyz
|
||
|
|
+ u_Weights.y * (
|
||
|
|
textureLod( u_InputTexture , tmp + displace1 , u_SourceLOD ).xyz
|
||
|
|
+ textureLod( u_InputTexture , tmp - displace1 , u_SourceLOD ).xyz )
|
||
|
|
+ u_Weights.z * (
|
||
|
|
textureLod( u_InputTexture , tmp + displace2 , u_SourceLOD ).xyz
|
||
|
|
+ textureLod( u_InputTexture , tmp - displace2 , u_SourceLOD ).xyz );
|
||
|
|
color /= wt;
|
||
|
|
}
|