overte-JulianGro/interface/resources/shaders/diffuse.frag
2013-08-14 16:13:30 -07:00

28 lines
1.1 KiB
GLSL

#version 120
//
// diffuse.frag
// fragment shader
//
// Created by Andrzej Kapolka on 8/14/13.
// Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
//
// the texture containing the original color
uniform sampler2D originalTexture;
// the texture containing the diffused color
uniform sampler2D diffusedTexture;
void main(void) {
float ds = dFdx(gl_TexCoord[0].s);
float dt = dFdy(gl_TexCoord[0].t);
gl_FragColor = (texture2D(diffusedTexture, gl_TexCoord[0].st + vec2(-ds, -dt)) +
texture2D(diffusedTexture, gl_TexCoord[0].st + vec2(0.0, -dt)) +
texture2D(diffusedTexture, gl_TexCoord[0].st + vec2(ds, -dt)) +
texture2D(diffusedTexture, gl_TexCoord[0].st + vec2(ds, 0.0)) +
texture2D(diffusedTexture, gl_TexCoord[0].st + vec2(ds, dt)) +
texture2D(diffusedTexture, gl_TexCoord[0].st + vec2(0.0, dt)) +
texture2D(diffusedTexture, gl_TexCoord[0].st + vec2(-ds, dt)) +
texture2D(diffusedTexture, gl_TexCoord[0].st + vec2(-ds, 0.0))) / 8.5 + texture2D(originalTexture, gl_TexCoord[0].st) * 0.1;
}