| #include <metal_stdlib> |
| |
| using namespace metal; |
| |
| template<typename T, size_t N> |
| struct tint_array { |
| const constant T& operator[](size_t i) const constant { return elements[i]; } |
| device T& operator[](size_t i) device { return elements[i]; } |
| const device T& operator[](size_t i) const device { return elements[i]; } |
| thread T& operator[](size_t i) thread { return elements[i]; } |
| const thread T& operator[](size_t i) const thread { return elements[i]; } |
| threadgroup T& operator[](size_t i) threadgroup { return elements[i]; } |
| const threadgroup T& operator[](size_t i) const threadgroup { return elements[i]; } |
| T elements[N]; |
| }; |
| |
| struct Light_tint_packed_vec3 { |
| packed_float3 position; |
| packed_float3 colour; |
| }; |
| |
| struct Lights_tint_packed_vec3 { |
| tint_array<Light_tint_packed_vec3, 1> light; |
| }; |
| |
| struct Light { |
| float3 position; |
| float3 colour; |
| }; |
| |
| struct Lights { |
| tint_array<Light, 1> light; |
| }; |
| |