25 lines
705 B
Plaintext
25 lines
705 B
Plaintext
|
#version 330
|
||
|
|
|
||
|
|
// pathfinder/shaders/clear.vs.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;
|
||
|
|
precision highp sampler2D;
|
||
|
|
|
||
|
|
uniform vec4 uRect;
|
||
|
|
uniform vec2 uFramebufferSize;
|
||
|
|
|
||
|
|
in ivec2 aPosition;
|
||
|
|
|
||
|
|
void main() {
|
||
|
|
vec2 position = mix(uRect.xy, uRect.zw, vec2(aPosition)) / uFramebufferSize * 2.0 - 1.0;
|
||
|
|
gl_Position = vec4(position.x, -position.y, 0.0, 1.0);
|
||
|
|
}
|