1#pragma clang diagnostic ignored "-Wmissing-prototypes" 2#pragma clang diagnostic ignored "-Wmissing-braces" 3 4#include <metal_stdlib> 5#include <simd/simd.h> 6 7using namespace metal; 8 9template<typename T, size_t Num> 10struct spvUnsafeArray 11{ 12 T elements[Num ? Num : 1]; 13 14 thread T& operator [] (size_t pos) thread 15 { 16 return elements[pos]; 17 } 18 constexpr const thread T& operator [] (size_t pos) const thread 19 { 20 return elements[pos]; 21 } 22 23 device T& operator [] (size_t pos) device 24 { 25 return elements[pos]; 26 } 27 constexpr const device T& operator [] (size_t pos) const device 28 { 29 return elements[pos]; 30 } 31 32 constexpr const constant T& operator [] (size_t pos) const constant 33 { 34 return elements[pos]; 35 } 36 37 threadgroup T& operator [] (size_t pos) threadgroup 38 { 39 return elements[pos]; 40 } 41 constexpr const threadgroup T& operator [] (size_t pos) const threadgroup 42 { 43 return elements[pos]; 44 } 45}; 46 47struct main0_out 48{ 49 float4 gl_Position [[position]]; 50}; 51 52struct main0_patchIn 53{ 54 float4 gl_TessLevel [[attribute(0)]]; 55}; 56 57[[ patch(triangle, 0) ]] vertex main0_out main0(main0_patchIn patchIn [[stage_in]], float3 gl_TessCoord [[position_in_patch]]) 58{ 59 main0_out out = {}; 60 spvUnsafeArray<float, 2> gl_TessLevelInner = {}; 61 spvUnsafeArray<float, 4> gl_TessLevelOuter = {}; 62 gl_TessLevelInner[0] = patchIn.gl_TessLevel.w; 63 gl_TessLevelOuter[0] = patchIn.gl_TessLevel.x; 64 gl_TessLevelOuter[1] = patchIn.gl_TessLevel.y; 65 gl_TessLevelOuter[2] = patchIn.gl_TessLevel.z; 66 out.gl_Position = float4((gl_TessCoord.x * gl_TessLevelInner[0]) * gl_TessLevelOuter[0], (gl_TessCoord.y * gl_TessLevelInner[0]) * gl_TessLevelOuter[1], (gl_TessCoord.z * gl_TessLevelInner[0]) * gl_TessLevelOuter[2], 1.0); 67 return out; 68} 69 70