procedural-3d-engine/data/shaders/glsl/texture3d/texture3d.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 sampler3D samplerColor;
layout (location = 0) in vec3 inUV;
layout (location = 1) in float inLodBias;
layout (location = 2) in vec3 inNormal;
layout (location = 3) in vec3 inViewVec;
layout (location = 4) in vec3 inLightVec;
layout (location = 0) out vec4 outFragColor;
void main()
{
vec4 color = texture(samplerColor, inUV);
vec3 N = normalize(inNormal);
vec3 L = normalize(inLightVec);
vec3 V = normalize(inViewVec);
vec3 R = reflect(-L, N);
vec3 diffuse = max(dot(N, L), 0.0) * vec3(1.0);
float specular = pow(max(dot(R, V), 0.0), 16.0) * color.r;
outFragColor = vec4(diffuse * color.r + specular, 1.0);
}