Warning, /graphics/krita/krita/data/shaders/linear_gradient.frag is written in an unsupported language. File is not indexed.
0001 /*
0002 * SPDX-FileCopyrightText: 2007 Adrian Page <adrian@pagenet.plus.com>
0003 *
0004 * SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006
0007 uniform sampler1D gradientColors;
0008
0009 uniform vec2 gradientVectorStart;
0010 uniform vec2 normalisedGradientVector;
0011
0012 void main(void)
0013 {
0014 vec2 v = gl_TexCoord[0].st - gradientVectorStart;
0015
0016 /* Project the vector onto the normalised gradient vector. */
0017 float t = dot(v, normalisedGradientVector);
0018
0019 gl_FragColor = texture1D(gradientColors, t);
0020 }