102 lines
3.2 KiB
GLSL
102 lines
3.2 KiB
GLSL
#pragma clang diagnostic ignored "-Wmissing-braces"
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#pragma clang diagnostic ignored "-Wunused-variable"
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#include <metal_stdlib>
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#include <simd/simd.h>
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template <typename T, size_t Num>
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struct unsafe_array
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{
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T __Elements[Num ? Num : 1];
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constexpr size_t size() const thread { return Num; }
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constexpr size_t max_size() const thread { return Num; }
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constexpr bool empty() const thread { return Num == 0; }
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constexpr size_t size() const device { return Num; }
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constexpr size_t max_size() const device { return Num; }
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constexpr bool empty() const device { return Num == 0; }
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constexpr size_t size() const constant { return Num; }
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constexpr size_t max_size() const constant { return Num; }
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constexpr bool empty() const constant { return Num == 0; }
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constexpr size_t size() const threadgroup { return Num; }
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constexpr size_t max_size() const threadgroup { return Num; }
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constexpr bool empty() const threadgroup { return Num == 0; }
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thread T &operator[](size_t pos) thread
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{
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return __Elements[pos];
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}
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constexpr const thread T &operator[](size_t pos) const thread
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{
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return __Elements[pos];
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}
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device T &operator[](size_t pos) device
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{
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return __Elements[pos];
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}
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constexpr const device T &operator[](size_t pos) const device
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{
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return __Elements[pos];
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}
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constexpr const constant T &operator[](size_t pos) const constant
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{
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return __Elements[pos];
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}
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threadgroup T &operator[](size_t pos) threadgroup
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{
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return __Elements[pos];
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}
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constexpr const threadgroup T &operator[](size_t pos) const threadgroup
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{
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return __Elements[pos];
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}
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};
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using namespace metal;
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struct main0_out
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{
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float3 vVertex;
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};
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struct main0_patchOut
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{
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unsafe_array<float3,2> vPatch;
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};
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struct main0_in
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{
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float3 vInput [[attribute(0)]];
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};
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kernel void main0(main0_in in [[stage_in]], uint gl_InvocationID [[thread_index_in_threadgroup]], uint gl_PrimitiveID [[threadgroup_position_in_grid]], device main0_out* spvOut [[buffer(28)]], constant uint* spvIndirectParams [[buffer(29)]], device main0_patchOut* spvPatchOut [[buffer(27)]], device MTLQuadTessellationFactorsHalf* spvTessLevel [[buffer(26)]], threadgroup main0_in* gl_in [[threadgroup(0)]])
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{
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device main0_out* gl_out = &spvOut[gl_PrimitiveID * 4];
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device main0_patchOut& patchOut = spvPatchOut[gl_PrimitiveID];
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if (gl_InvocationID < spvIndirectParams[0])
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gl_in[gl_InvocationID] = in;
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threadgroup_barrier(mem_flags::mem_threadgroup);
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if (gl_InvocationID >= 4)
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return;
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gl_out[gl_InvocationID].vVertex = gl_in[gl_InvocationID].vInput + gl_in[gl_InvocationID ^ 1].vInput;
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threadgroup_barrier(mem_flags::mem_device | mem_flags::mem_threadgroup);
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if (gl_InvocationID == 0)
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{
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patchOut.vPatch[0] = float3(10.0);
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patchOut.vPatch[1] = float3(20.0);
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spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[0] = half(1.0);
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spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[1] = half(2.0);
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spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[2] = half(3.0);
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spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[3] = half(4.0);
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spvTessLevel[gl_PrimitiveID].insideTessellationFactor[0] = half(1.0);
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spvTessLevel[gl_PrimitiveID].insideTessellationFactor[1] = half(2.0);
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}
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}
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