dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/log2/log2_vec3_frag_xvary.frag


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

/*
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
*/


#ifdef GL_ES
precision mediump float;
#endif
varying vec4 color;

void main (void)
{
	vec3 c = 31.0 * color.rgb + 1.0;
	gl_FragColor = vec4(log2(c) / 5.0, 1.0);
}