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Version bump, example shader update

This commit is contained in:
Viktor Chlumský 2017-07-23 22:57:13 +02:00
parent 28ee740a33
commit 208e76c9a1
4 changed files with 8 additions and 5 deletions
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5
README.md
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@ -151,6 +151,7 @@ The following is an example GLSL fragment shader including anti-aliasing:
in vec2 pos;
out vec4 color;
uniform sampler2D msdf;
uniform float pxRange;
uniform vec4 bgColor;
uniform vec4 fgColor;
@ -159,9 +160,11 @@ float median(float r, float g, float b) {
}
void main() {
vec2 msdfUnit = pxRange/vec2(textureSize(msdf, 0));
vec3 sample = texture(msdf, pos).rgb;
float sigDist = median(sample.r, sample.g, sample.b) - 0.5;
float opacity = clamp(sigDist/fwidth(sigDist) + 0.5, 0.0, 1.0);
sigDist *= dot(msdfUnit, 0.5/fwidth(pos));
float opacity = clamp(sigDist + 0.5, 0.0, 1.0);
color = mix(bgColor, fgColor, opacity);
}
```

2
main.cpp
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@ -1,6 +1,6 @@
/*
* MULTI-CHANNEL SIGNED DISTANCE FIELD GENERATOR v1.4 (2017-02-09) - standalone console program
* MULTI-CHANNEL SIGNED DISTANCE FIELD GENERATOR v1.5 (2017-07-23) - standalone console program
* --------------------------------------------------------------------------------------------
* A utility by Viktor Chlumsky, (c) 2014 - 2017
*

2
msdfgen-ext.h
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@ -2,7 +2,7 @@
#pragma once
/*
* MULTI-CHANNEL SIGNED DISTANCE FIELD GENERATOR v1.4 (2017-02-09) - extensions
* MULTI-CHANNEL SIGNED DISTANCE FIELD GENERATOR v1.5 (2017-07-23) - extensions
* ----------------------------------------------------------------------------
* A utility by Viktor Chlumsky, (c) 2014 - 2017
*

4
msdfgen.h
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@ -2,7 +2,7 @@
#pragma once
/*
* MULTI-CHANNEL SIGNED DISTANCE FIELD GENERATOR v1.4 (2017-02-09)
* MULTI-CHANNEL SIGNED DISTANCE FIELD GENERATOR v1.5 (2017-07-23)
* ---------------------------------------------------------------
* A utility by Viktor Chlumsky, (c) 2014 - 2017
*
@ -24,7 +24,7 @@
#include "core/save-bmp.h"
#include "core/shape-description.h"
#define MSDFGEN_VERSION "1.4"
#define MSDFGEN_VERSION "1.5"
namespace msdfgen {