21 lines
507 B
Scala
21 lines
507 B
Scala
$input v_texcoord0, v_color0
|
|
|
|
/*
|
|
* Copyright 2011-2017 Branimir Karadzic. All rights reserved.
|
|
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
|
|
*/
|
|
|
|
#include "common.sh"
|
|
|
|
SAMPLER2D(s_texColor, 0);
|
|
|
|
void main()
|
|
{
|
|
vec4 bgColor = vec4(0.0, 0.0, 0.0, 0.0);
|
|
vec4 fgColor = vec4(1.0, 1.0, 1.0, 1.0);
|
|
|
|
float sigDist = texture2DLod(s_texColor, v_texcoord0.xy, u_textureLod).x;
|
|
float opacity = clamp(sigDist/fwidth(sigDist) + 0.5, 0.0, 1.0);
|
|
gl_FragColor = mix(bgColor, fgColor, opacity);
|
|
}
|