forked from Mirrorlandia_minetest/minetest
28 lines
640 B
Plaintext
28 lines
640 B
Plaintext
|
uniform vec2 texelSize0;
|
||
|
|
|
||
|
|
#ifdef GL_ES
|
||
|
|
varying mediump vec2 varTexCoord;
|
||
|
|
#else
|
||
|
|
centroid varying vec2 varTexCoord;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
varying vec2 sampleNW;
|
||
|
|
varying vec2 sampleNE;
|
||
|
|
varying vec2 sampleSW;
|
||
|
|
varying vec2 sampleSE;
|
||
|
|
|
||
|
|
/*
|
||
|
|
Based on
|
||
|
|
https://github.com/mattdesl/glsl-fxaa/
|
||
|
|
Portions Copyright (c) 2011 by Armin Ronacher.
|
||
|
|
*/
|
||
|
|
void main(void)
|
||
|
|
{
|
||
|
|
varTexCoord.st = inTexCoord0.st;
|
||
|
|
sampleNW = varTexCoord.st + vec2(-1.0, -1.0) * texelSize0;
|
||
|
|
sampleNE = varTexCoord.st + vec2(1.0, -1.0) * texelSize0;
|
||
|
|
sampleSW = varTexCoord.st + vec2(-1.0, 1.0) * texelSize0;
|
||
|
|
sampleSE = varTexCoord.st + vec2(1.0, 1.0) * texelSize0;
|
||
|
|
gl_Position = inVertexPosition;
|
||
|
|
}
|