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#ifdef DESC
[program]
type: graphics
vertex: main
fragment: main
[binding]
name: mesh
rate: vertex
[attribute]
name: position
type: vec3
[attribute]
name: normal
type: vec3
[attribute]
name: uv
type: vec2
[interpolator]
name: uv
type: vec2
[interpolator]
name: normal
type: vec3
[struct]
name: MVP
[variable]
name: model
type: mat4
[variable]
name: view_projection
type: mat4
[cbuffer]
name: c_mvp
type: MVP
stage: vertex
[target]
name: colour
type: vec4
#endif
#ifdef VERTEX_SHADER
void main() {
interpolator.uv = uv;
interpolator.normal = mat3(c_mvp.model) * normal;
gl_Position =
c_mvp.view_projection *
c_mvp.model *
vec4(position, 1.0);
}
#endif
#ifdef FRAGMENT_SHADER
void main() {
vec3 normal = normalize(interpolator.normal);
float light = max(dot(normal, vec3(0, 0, 1)), 0.0);
colour = vec4(light.xxx, 1.0);
}
#endif
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