#include using namespace metal; struct tint_symbol_1 { int VertexIndex [[vertex_id]]; }; struct tint_symbol_2 { float4 value [[position]]; }; struct tint_symbol_3 { float4 value [[color(0)]]; }; constant float2 pos[3] = {float2(0.0f, 0.5f), float2(-0.5f, -0.5f), float2(0.5f, -0.5f)}; vertex tint_symbol_2 vtx_main(tint_symbol_1 tint_symbol [[stage_in]]) { const int VertexIndex = tint_symbol.VertexIndex; return {float4(pos[VertexIndex], 0.0f, 1.0f)}; } fragment tint_symbol_3 frag_main() { return {float4(1.0f, 0.0f, 0.0f, 1.0f)}; }