Files
OpenSpace/shaders/fboPass_fs.glsl
T

43 lines
2.4 KiB
GLSL

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#version 430
uniform sampler2D texture1;
in vec4 vs_position;
out vec4 color;
void main() {
vec2 uv = vec2(0.5,0.5)*vs_position.xy+vec2(0.5,0.5);
if(uv.x > 0.5 && uv.x < 0.6){
color = texture(texture1, uv);
//color.a = 1.f;
color.a = 0.1f;//1.f - abs(uv.x - 0.55) / (0.6 - 0.5);
// output = color*color.a + source*(1-color.a)
}else{
color = vec4(1,0,0,0);
}
}