procedural-3d-engine/data/shaders/glsl/ssao/blur.frag
Ben Clayton ca884587a4 Move shaders into glsl and hlsl directories
Move `data/shaders` to `data/shaders/glsl`
Move `data/hlsl` to `data/shaders/hlsl`

Fix up shader paths in the cpp files to point to the new glsl location.

`data/shaders/hlsl/compile.py` still overwrites the glsl .spv files (for
now).

Issue: #723
2020-06-01 12:22:28 +01:00

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546 B
GLSL

#version 450
layout (binding = 0) uniform sampler2D samplerSSAO;
layout (location = 0) in vec2 inUV;
layout (location = 0) out float outFragColor;
void main()
{
const int blurRange = 2;
int n = 0;
vec2 texelSize = 1.0 / vec2(textureSize(samplerSSAO, 0));
float result = 0.0;
for (int x = -blurRange; x < blurRange; x++)
{
for (int y = -blurRange; y < blurRange; y++)
{
vec2 offset = vec2(float(x), float(y)) * texelSize;
result += texture(samplerSSAO, inUV + offset).r;
n++;
}
}
outFragColor = result / (float(n));
}