Akshay Loke akshayloke
akshayloke
/ RGBtoI420.frag
Created
October 7, 2016 16:36
Implementation for converting RGB data to YUV I420 data. Very useful when you want to encode RGB video feed for writing to file or sending over WebRTC..
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| varying lowp vec2 vUV; | |
| uniform sampler2D compositeTexture; | |
| uniform highp vec2 screenSize; | |
| uniform highp vec2 halfScreenSize; | |
| uniform highp vec2 doubleScreenSize; | |
| uniform highp vec2 invScreenSize; | |
| uniform highp vec3 numYUVPixels; |
akshayloke
/ Spiral-clean.frag
Created
September 23, 2016 21:35
Cleaner implementation of the Spiral fragment shader
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| // Author: Akshay S. Loke | |
| // Title: Spiral | |
| #ifdef GL_ES | |
| precision mediump float; | |
| #endif | |
| #define USE_SMOOTH | |
| #define M_PI 3.14159265358979 | |
| #define M_2PI 6.28318530717958 |
akshayloke
/ Spiral.frag
Last active
August 11, 2016 04:49
Spiral.frag shader using editor.thebookofshaders.com
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| // Author: | |
| // Title: | |
| #ifdef GL_ES | |
| precision mediump float; | |
| #endif | |
| #define M_PI 3.14159265358979 | |
| #define M_2PI 6.28318530717958 | |
| #define RADIUS 100.0 |