Gecko [ www.utparral.edu.mx ]

Name	Size	Permission
basicFragmentShader.glsl	773 B	-rw-r--r--
basicVertexShader.glsl	3.51 KB	-rw-r--r--
dissolveFragmentShader.glsl	1.71 KB	-rw-r--r--
dummyVertexShader.glsl	525 B	-rw-r--r--
fadeBlackFragmentShader.glsl	989 B	-rw-r--r--
fadeFragmentShader.glsl	778 B	-rw-r--r--
glitterFragmentShader.glsl	1.01 KB	-rw-r--r--
glitterVertexShader.glsl	4.49 KB	-rw-r--r--
honeycombFragmentShader.glsl	3.41 KB	-rw-r--r--
honeycombGeometryShader.glsl	2.73 KB	-rw-r--r--
honeycombVertexShader.glsl	4.13 KB	-rw-r--r--
linearMultiColorGradientFragmentShader.glsl	1.3 KB	-rw-r--r--
linearTwoColorGradientFragmentShader.glsl	725 B	-rw-r--r--
radialMultiColorGradientFragmentShader.glsl	1.41 KB	-rw-r--r--
radialTwoColorGradientFragmentShader.glsl	802 B	-rw-r--r--
rectangularMultiColorGradientFragmentShader.glsl	1.3 KB	-rw-r--r--
rectangularTwoColorGradientFragmentShader.glsl	732 B	-rw-r--r--
reflectionFragmentShader.glsl	1.03 KB	-rw-r--r--
reflectionVertexShader.glsl	2.72 KB	-rw-r--r--
rippleFragmentShader.glsl	1.92 KB	-rw-r--r--
staticFragmentShader.glsl	2.36 KB	-rw-r--r--
vortexFragmentShader.glsl	2.07 KB	-rw-r--r--
vortexGeometryShader.glsl	3.01 KB	-rw-r--r--
vortexVertexShader.glsl	4.89 KB	-rw-r--r--

Code Editor : radialMultiColorGradientFragmentShader.glsl

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#version 120

uniform int       i_nColors;
uniform sampler1D t_colorArray4d;
uniform sampler1D t_stopArray1d;
uniform mat3x2    m_transform;
varying vec2      v_textureCoords2d;
const vec2        v_center2d = vec2(0,0);

int max(int x, int y)
{
    if(x > y)
        return x;
    return y;
}

int findBucket(float t)
{
    int nMinBucket=0;
    while( nMinBucket < i_nColors &&
            texture1D(t_stopArray1d, nMinBucket).s < t )
        ++nMinBucket;
    return max(nMinBucket-1,0);
}

void main(void)
{
    float fAlpha =
        clamp( 1.0 - distance(
                    vec2( m_transform * vec3(v_textureCoords2d,1)),
                    v_center2d),
                0.0, 1.0 );

int nMinBucket=findBucket( fAlpha );

float fLerp =
        (fAlpha-texture1D(t_stopArray1d, nMinBucket).s) /
        (texture1D(t_stopArray1d, nMinBucket+1).s -
         texture1D(t_stopArray1d, nMinBucket).s);

gl_FragColor = mix(texture1D(t_colorArray4d, nMinBucket),
            texture1D(t_colorArray4d, nMinBucket+1),
            fLerp);
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

${this.title}

Code Editor : radialMultiColorGradientFragmentShader.glsl