22 lines
452 B
GLSL
22 lines
452 B
GLSL
uniform sampler2D samp9;
|
|
|
|
out vec4 ocol0;
|
|
in vec2 uv0;
|
|
|
|
uniform vec4 resolution;
|
|
|
|
void main()
|
|
{
|
|
float4 c0 = texture(samp9, uv0);
|
|
float4 c1 = texture(samp9, uv0 + float2(1,1)*resolution.zw);
|
|
float4 c2 = texture(samp9, uv0 + float2(-1,-1)*resolution.zw);
|
|
float red = c0.r;
|
|
float green = c0.g;
|
|
float blue = c0.b;
|
|
float alpha = c0.a;
|
|
|
|
red = c0.r - c1.b;
|
|
blue = c0.b - c2.r + (c0.g - c0.r);
|
|
|
|
ocol0 = float4(red, 0.0, blue, alpha);
|
|
} |