23da445bd4
Multiple patches can run in the same workgroup when using multi-patch mode, so we need to allocate enough storage to avoid false sharing.
49 lines
1.6 KiB
GLSL
49 lines
1.6 KiB
GLSL
#pragma clang diagnostic ignored "-Wmissing-prototypes"
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#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct main0_out
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{
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float4 v0;
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float4 gl_Position;
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float gl_PointSize;
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};
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struct main0_patchOut
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{
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float4 v3;
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};
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static inline __attribute__((always_inline))
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void write_in_func(device main0_out* thread & gl_out, thread uint& gl_InvocationID, threadgroup float4 (&v1)[2], device float4& v3)
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{
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gl_out[gl_InvocationID].v0 = float4(1.0);
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gl_out[gl_InvocationID].v0.z = 3.0;
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if (gl_InvocationID == 0)
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{
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v1[0] = float4(2.0);
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((threadgroup float*)&v1[0])[0u] = 3.0;
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v1[1] = float4(2.0);
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((threadgroup float*)&v1[1])[0u] = 5.0;
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}
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v3 = float4(5.0);
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gl_out[gl_InvocationID].gl_Position = float4(10.0);
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gl_out[gl_InvocationID].gl_Position.z = 20.0;
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gl_out[gl_InvocationID].gl_PointSize = 40.0;
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}
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kernel void main0(uint3 gl_GlobalInvocationID [[thread_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)]])
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{
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device main0_out* gl_out = &spvOut[gl_GlobalInvocationID.x - gl_GlobalInvocationID.x % 4];
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device main0_patchOut& patchOut = spvPatchOut[gl_GlobalInvocationID.x / 4];
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threadgroup float4 spvStoragev1[8][2];
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threadgroup float4 (&v1)[2] = spvStoragev1[(gl_GlobalInvocationID.x / 4) % 8];
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uint gl_InvocationID = gl_GlobalInvocationID.x % 4;
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uint gl_PrimitiveID = min(gl_GlobalInvocationID.x / 4, spvIndirectParams[1]);
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write_in_func(gl_out, gl_InvocationID, v1, patchOut.v3);
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}
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