detached fcceab5

test(vulkan): cover rotated steady-state allocations in the perf gate

commit
fcceab58bdd3c1f56b9fc962882e6911ea599625
author
brice · · 2026-10-03 19:15 UTC
parent
ca6770e
signature
GPG VerifiedCD88F9E564E0102646FB6077A1A07C7C7C3E349D · arch-gpg Verified for the committer email
2 files · +33 -45
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M internal/adapters/vulkan/output_transform_test.go +0 -25
@@ -47,28 +47,3 @@ func TestRendererOutputTransform(t *testing.T) {
4747 }
4848 }
4949 }
50-
51-// A rotated output keeps the steady-state frame free of extra allocations:
52-// orient works in place.
53-func TestRenderSteadyStateAllocationsRotated(t *testing.T) {
54- r, err := New(32, 24)
55- if err != nil {
56- t.Skipf("Vulkan unavailable: %v", err)
57- }
58- defer r.Close()
59- scene := ports.Scene{Seq: 1, Transform: 1, Scale: 1, Windows: []ports.SceneWindow{{ID: 1, Rect: ports.Rect{W: 24, H: 32}}}}
60- content := solidContent(t, 8, 8, color.RGBA{R: 255, A: 255})
61- content.ID, content.Surface, content.Seq, content.Version = 1, 1, 1, 1
62- contents := map[ports.WindowID]ports.SurfaceContent{1: content}
63- frame := func() {
64- if err := render(r, scene, contents); err != nil {
65- t.Fatal(err)
66- }
67- }
68- frame()
69- if allocs := testing.AllocsPerRun(20, frame); allocs > 13 {
70- t.Errorf("rotated steady-state Render: %.1f allocs/frame, want <=13", allocs)
71- } else {
72- t.Logf("rotated steady-state Render: %.1f allocs/frame", allocs)
73- }
74-}
@@ -47,28 +47,3 @@ func TestRendererOutputTransform(t *testing.T) {
47 }47 }
48 }48 }
49 }49 }
50-
51-// A rotated output keeps the steady-state frame free of extra allocations:
52-// orient works in place.
53-func TestRenderSteadyStateAllocationsRotated(t *testing.T) {
54- r, err := New(32, 24)
55- if err != nil {
56- t.Skipf("Vulkan unavailable: %v", err)
57- }
58- defer r.Close()
59- scene := ports.Scene{Seq: 1, Transform: 1, Scale: 1, Windows: []ports.SceneWindow{{ID: 1, Rect: ports.Rect{W: 24, H: 32}}}}
60- content := solidContent(t, 8, 8, color.RGBA{R: 255, A: 255})
61- content.ID, content.Surface, content.Seq, content.Version = 1, 1, 1, 1
62- contents := map[ports.WindowID]ports.SurfaceContent{1: content}
63- frame := func() {
64- if err := render(r, scene, contents); err != nil {
65- t.Fatal(err)
66- }
67- }
68- frame()
69- if allocs := testing.AllocsPerRun(20, frame); allocs > 13 {
70- t.Errorf("rotated steady-state Render: %.1f allocs/frame, want <=13", allocs)
71- } else {
72- t.Logf("rotated steady-state Render: %.1f allocs/frame", allocs)
73- }
74-}
M internal/adapters/vulkan/scene_perf_test.go +33 -20
@@ -8,27 +8,40 @@ import (
88 "github.com/bnema/neferwl/internal/ports"
99 )
1010
11-// TestRenderSteadyStateAllocations measures the cost of a small stable scene.
11+// TestRenderSteadyStateAllocations measures the cost of a small stable scene,
12+// on a normal and on a rotated output (orient works in place).
1213 func TestRenderSteadyStateAllocations(t *testing.T) {
13- r, err := New(32, 32)
14- if err != nil {
15- t.Skipf("Vulkan unavailable: %v", err)
16- }
17- defer r.Close()
18- scene := ports.Scene{Seq: 1, Windows: []ports.SceneWindow{{ID: 1, Rect: ports.Rect{W: 32, H: 32}}}}
19- content := solidContent(t, 8, 8, color.RGBA{R: 255, A: 255})
20- content.ID, content.Surface, content.Seq, content.Version = 1, 1, 1, 1
21- contents := map[ports.WindowID]ports.SurfaceContent{1: content}
22- frame := func() {
23- if err := render(r, scene, contents); err != nil {
24- t.Fatal(err)
25- }
26- }
27- frame()
28- if allocs := testing.AllocsPerRun(20, frame); allocs > 13 {
29- t.Errorf("small steady-state Render: %.1f allocs/frame, want <=13", allocs)
30- } else {
31- t.Logf("small steady-state Render: %.1f allocs/frame", allocs)
14+ for _, tc := range []struct {
15+ name string
16+ transform ports.BufferTransform
17+ tw, th int
18+ sceneW, sceneH int
19+ }{
20+ {"transform 0", 0, 32, 32, 32, 32},
21+ {"transform 1", 1, 32, 24, 24, 32},
22+ } {
23+ t.Run(tc.name, func(t *testing.T) {
24+ r, err := New(tc.tw, tc.th)
25+ if err != nil {
26+ t.Skipf("Vulkan unavailable: %v", err)
27+ }
28+ defer r.Close()
29+ scene := ports.Scene{Seq: 1, Transform: tc.transform, Scale: 1, Windows: []ports.SceneWindow{{ID: 1, Rect: ports.Rect{W: tc.sceneW, H: tc.sceneH}}}}
30+ content := solidContent(t, 8, 8, color.RGBA{R: 255, A: 255})
31+ content.ID, content.Surface, content.Seq, content.Version = 1, 1, 1, 1
32+ contents := map[ports.WindowID]ports.SurfaceContent{1: content}
33+ frame := func() {
34+ if err := render(r, scene, contents); err != nil {
35+ t.Fatal(err)
36+ }
37+ }
38+ frame()
39+ if allocs := testing.AllocsPerRun(20, frame); allocs > 13 {
40+ t.Errorf("small steady-state Render: %.1f allocs/frame, want <=13", allocs)
41+ } else {
42+ t.Logf("small steady-state Render: %.1f allocs/frame", allocs)
43+ }
44+ })
3245 }
3346 }
3447
@@ -8,27 +8,40 @@ import (
8 "github.com/bnema/neferwl/internal/ports"8 "github.com/bnema/neferwl/internal/ports"
9 )9 )
10 10
11-// TestRenderSteadyStateAllocations measures the cost of a small stable scene.11+// TestRenderSteadyStateAllocations measures the cost of a small stable scene,
12+// on a normal and on a rotated output (orient works in place).
12 func TestRenderSteadyStateAllocations(t *testing.T) {13 func TestRenderSteadyStateAllocations(t *testing.T) {
13- r, err := New(32, 32)14+ for _, tc := range []struct {
14- if err != nil {15+ name string
15- t.Skipf("Vulkan unavailable: %v", err)16+ transform ports.BufferTransform
16- }17+ tw, th int
17- defer r.Close()18+ sceneW, sceneH int
18- scene := ports.Scene{Seq: 1, Windows: []ports.SceneWindow{{ID: 1, Rect: ports.Rect{W: 32, H: 32}}}}19+ }{
19- content := solidContent(t, 8, 8, color.RGBA{R: 255, A: 255})20+ {"transform 0", 0, 32, 32, 32, 32},
20- content.ID, content.Surface, content.Seq, content.Version = 1, 1, 1, 121+ {"transform 1", 1, 32, 24, 24, 32},
21- contents := map[ports.WindowID]ports.SurfaceContent{1: content}22+ } {
22- frame := func() {23+ t.Run(tc.name, func(t *testing.T) {
23- if err := render(r, scene, contents); err != nil {24+ r, err := New(tc.tw, tc.th)
24- t.Fatal(err)25+ if err != nil {
25- }26+ t.Skipf("Vulkan unavailable: %v", err)
26- }27+ }
27- frame()28+ defer r.Close()
28- if allocs := testing.AllocsPerRun(20, frame); allocs > 13 {29+ scene := ports.Scene{Seq: 1, Transform: tc.transform, Scale: 1, Windows: []ports.SceneWindow{{ID: 1, Rect: ports.Rect{W: tc.sceneW, H: tc.sceneH}}}}
29- t.Errorf("small steady-state Render: %.1f allocs/frame, want <=13", allocs)30+ content := solidContent(t, 8, 8, color.RGBA{R: 255, A: 255})
30- } else {31+ content.ID, content.Surface, content.Seq, content.Version = 1, 1, 1, 1
31- t.Logf("small steady-state Render: %.1f allocs/frame", allocs)32+ contents := map[ports.WindowID]ports.SurfaceContent{1: content}
33+ frame := func() {
34+ if err := render(r, scene, contents); err != nil {
35+ t.Fatal(err)
36+ }
37+ }
38+ frame()
39+ if allocs := testing.AllocsPerRun(20, frame); allocs > 13 {
40+ t.Errorf("small steady-state Render: %.1f allocs/frame, want <=13", allocs)
41+ } else {
42+ t.Logf("small steady-state Render: %.1f allocs/frame", allocs)
43+ }
44+ })
32 }45 }
33 }46 }
34 47

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