842b3599c8
Previously, this would generate invalid code such as `[[user(locn-1)]]`. We now generate a more-useful error at SkSL compilation time. Change-Id: Ifbe335ec6d4abcbdfe89b892ba51063c94d22b11 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/339397 Auto-Submit: John Stiles <johnstiles@google.com> Commit-Queue: Ethan Nicholas <ethannicholas@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
19 lines
503 B
Metal
19 lines
503 B
Metal
#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct Inputs {
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};
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struct Outputs {
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float4 sk_Position [[position]];
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int id [[user(locn1)]];
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float sk_PointSize [[point_size]];
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};
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vertex Outputs vertexMain(Inputs _in [[stage_in]], uint sk_VertexID [[vertex_id]], uint sk_InstanceID [[instance_id]]) {
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Outputs _outputStruct;
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thread Outputs* _out = &_outputStruct;
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_out->id = sk_InstanceID;
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_out->sk_Position.y = -_out->sk_Position.y;
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return *_out;
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}
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