/* See LICENSE folder for this sample’s licensing information. Abstract: Header containing types and enum constants shared between Metal shaders and C/ObjC source */ #ifndef AAPLShaderTypes_h #define AAPLShaderTypes_h #undef clamp #include #define clamp(a,x,b) clamp_((a),(x),(b)) // This structure defines the layout of vertices sent to the vertex // shader. This header is shared between the .metal shader and C code, to guarantee that // the layout of the vertex array in the C code matches the layout that the .metal // vertex shader expects. typedef struct { vector_float2 position; vector_float4 color; } AAPLVertex; #endif /* AAPLShaderTypes_h */