procedural-3d-engine/data/shaders/glsl/deferredshadows/debug.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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GLSL

#version 450
layout (binding = 1) uniform sampler2D samplerPosition;
layout (binding = 2) uniform sampler2D samplerNormal;
layout (binding = 3) uniform sampler2D samplerAlbedo;
layout (binding = 5) uniform sampler2DArray samplerDepth;
layout (location = 0) in vec3 inUV;
layout (location = 0) out vec4 outFragColor;
float LinearizeDepth(float depth)
{
float n = 0.1; // camera z near
float f = 64.0; // camera z far
float z = depth;
return (2.0 * n) / (f + n - z * (f - n));
}
void main()
{
// Display depth from light's point-of-view
// inUV.w = number of light source
float depth = texture(samplerDepth, vec3(inUV)).r;
outFragColor = vec4(vec3(1.0 - LinearizeDepth(depth)), 0.0);
}