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Add antialiasing filters (FXAA, SSAA) (#13253)

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x2048 2023-06-28 05:30:08 +02:00 • committed by GitHub
parent 442d5fc75c
commit c09a3a52ac
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10 changed files with 230 additions and 17 deletions
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27
client/shaders/fxaa/opengl_vertex.glsl Normal file
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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;
}