Pixel-Composer/shaders/BBMOD_ShFXAA/BBMOD_ShFXAA.vsh
2023-04-23 16:47:33 +02:00

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613 B
GLSL

// Source: https://www.geeks3d.com/20110405/fxaa-fast-approximate-anti-aliasing-demo-glsl-opengl-test-radeon-geforce/3/
attribute vec4 in_Position;
attribute vec2 in_TextureCoord;
varying vec4 v_vFragPos;
uniform vec2 u_vTexelVS;
/// @param texCoord Texture coordinates.
/// @param texel vec2(1.0 / textureWidth, 1.0 / textureHeight)
vec4 FXAAFragPos(vec2 texCoord, vec2 texel)
{
vec4 pos;
pos.xy = texCoord;
pos.zw = texCoord - (texel * 0.75);
return pos;
}
void main()
{
gl_Position = gm_Matrices[MATRIX_WORLD_VIEW_PROJECTION] * in_Position;
v_vFragPos = FXAAFragPos(in_TextureCoord, u_vTexelVS);
}