position_hint_bench_test.go RawHistoryFolder

1package vulkan
2
3import (
4	"image"
5	"testing"
6
7	"github.com/bnema/neferwl/internal/ports"
8)
9
10func hintGrid(cols, rows int) ports.PositionHint {
11	h := ports.PositionHint{Opacity: 1, Columns: uint8(cols), ActiveCol: 1, ActiveRow: 1}
12	for c := range cols {
13		h.Counts[c] = uint8(rows)
14	}
15	return h
16}
17
18func BenchmarkPositionHintDraws(b *testing.B) {
19	for _, g := range []struct {
20		name       string
21		cols, rows int
22	}{{"5x3", 5, 3}, {"16x16", 16, 16}} {
23		b.Run(g.name, func(b *testing.B) {
24			r := &Renderer{width: 1920, height: 1080}
25			s := ports.Scene{OutputWidth: 1920, OutputHeight: 1080, Scale: 1, PositionHint: hintGrid(g.cols, g.rows)}
26			dmg := newDamage(&target{}, s, image.Rect(0, 0, r.width, r.height))
27			b.ReportAllocs()
28			var n int
29			for b.Loop() {
30				n = len(r.draws(s, nil, dmg))
31			}
32			b.ReportMetric(float64(n), "draws")
33		})
34	}
35}