30 lines
820 B
GLSL
30 lines
820 B
GLSL
#version 330
|
|
|
|
// pathfinder/shaders/tile_alpha.fs.glsl
|
|
//
|
|
// Copyright © 2020 The Pathfinder Project Developers.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
precision highp float;
|
|
|
|
uniform sampler2D uStencilTexture;
|
|
uniform sampler2D uPaintTexture;
|
|
uniform vec2 uPaintTextureSize;
|
|
|
|
in vec2 vColorTexCoord;
|
|
in vec2 vMaskTexCoord;
|
|
in vec4 vColor;
|
|
|
|
out vec4 oFragColor;
|
|
|
|
void main() {
|
|
float coverage = texture(uStencilTexture, vMaskTexCoord).r;
|
|
vec4 color = texture(uPaintTexture, vColorTexCoord);
|
|
oFragColor = vec4(color.rgb, color.a * coverage);
|
|
}
|