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graphics: Use copy function in appendVertices

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This commit is contained in:
Hajime Hoshi 2018-06-17 01:09:05 +09:00
parent b4ace53596
commit f6b7a6be73
1 changed files with 1 additions and 5 deletions
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6
internal/graphics/command.go
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@ -69,11 +69,7 @@ func (q *commandQueue) appendVertices(vertices []float32) {
n := q.nvertices + len(vertices) - len(q.vertices)
q.vertices = append(q.vertices, make([]float32, n)...)
}
// for-loop might be faster than copy:
// On GopherJS, copy might cause subarray calls.
for i := range vertices {
q.vertices[q.nvertices+i] = vertices[i]
}
copy(q.vertices[q.nvertices:], vertices)
q.nvertices += len(vertices)
}