From 9fa6eeb9941d98b45278af968c583681b0d69532 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Thu, 1 Aug 2024 14:44:10 +0700
Subject: [PATCH] Update to wgpu 22.1.0 (#75)

This changes a lifetime for scoped render pipelines to match
a similar change for `begin_render_pass` in wgpu itself.
---
 CHANGELOG.md     |   1 +
 Cargo.lock       | 175 +++++++++++++++++++----------------------------
 Cargo.toml       |   2 +-
 examples/demo.rs |   2 +
 src/lib.rs       |   1 +
 src/scope.rs     |   2 +-
 6 files changed, 77 insertions(+), 106 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4aa1493..714acdc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Change Log
 
 ## Unreleased
+* update to wgpu 22.1.0
 
 ## 0.17.0
 * update to wgpu 0.20
diff --git a/Cargo.lock b/Cargo.lock
index 2b01e10..62503d7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -53,7 +53,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ef6978589202a00cd7e118380c448a08b6ed394c3a8df3a430d0898e3a42d046"
 dependencies = [
  "android-properties",
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "cc",
  "cesu8",
  "jni",
@@ -102,11 +102,11 @@ checksum = "175571dd1d178ced59193a6fc02dde1b972eb0bc56c892cde9beeceac5bf0f6b"
 
 [[package]]
 name = "ash"
-version = "0.37.3+1.3.251"
+version = "0.38.0+1.3.281"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39e9c3835d686b0a6084ab4234fcd1b07dbf6e4767dce60874b12356a25ecd4a"
+checksum = "0bb44936d800fea8f016d7f2311c6a4f97aebd5dc86f09906139ec848cf3a46f"
 dependencies = [
- "libloading 0.7.4",
+ "libloading",
 ]
 
 [[package]]
@@ -123,18 +123,18 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "bit-set"
-version = "0.5.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0700ddab506f33b20a03b13996eccd309a48e5ff77d0d95926aa0210fb4e95f1"
+checksum = "f0481a0e032742109b1133a095184ee93d88f3dc9e0d28a5d033dc77a073f44f"
 dependencies = [
  "bit-vec",
 ]
 
 [[package]]
 name = "bit-vec"
-version = "0.6.3"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
+checksum = "d2c54ff287cfc0a34f38a6b832ea1bd8e448a330b3e40a50859e6488bee07f22"
 
 [[package]]
 name = "bitflags"
@@ -144,9 +144,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitflags"
-version = "2.5.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
 [[package]]
 name = "block"
@@ -187,7 +187,7 @@ version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fba7adb4dd5aa98e5553510223000e7148f621165ec5f9acd7113f6ca4995298"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "log",
  "polling",
  "rustix",
@@ -355,12 +355,12 @@ checksum = "96a6ac251f4a2aca6b3f91340350eab87ae57c3f127ffeb585e92bd336717991"
 
 [[package]]
 name = "d3d12"
-version = "0.20.0"
+version = "22.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b28bfe653d79bd16c77f659305b195b82bb5ce0c0eb2a4846b82ddbd77586813"
+checksum = "bdbd1f579714e3c809ebd822c81ef148b1ceaeb3d535352afc73fd0c4c6a0017"
 dependencies = [
- "bitflags 2.5.0",
- "libloading 0.8.1",
+ "bitflags 2.6.0",
+ "libloading",
  "winapi",
 ]
 
@@ -376,14 +376,14 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "330c60081dcc4c72131f8eb70510f1ac07223e5d4163db481a04a0befcffa412"
 dependencies = [
- "libloading 0.8.1",
+ "libloading",
 ]
 
 [[package]]
 name = "document-features"
-version = "0.2.8"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef5282ad69563b5fc40319526ba27e0e7363d552a896f0297d54f767717f9b95"
+checksum = "cb6969eaabd2421f8a2775cfd2471a2b634372b4a25d41e3bd647b79912850a0"
 dependencies = [
  "litrs",
 ]
@@ -533,9 +533,9 @@ dependencies = [
 
 [[package]]
 name = "glutin_wgl_sys"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c8098adac955faa2d31079b65dc48841251f69efd3ac25477903fc424362ead"
+checksum = "0a4e1951bbd9434a81aa496fe59ccc2235af3820d27b85f9314e279609211e2c"
 dependencies = [
  "gl_generator",
 ]
@@ -546,7 +546,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fbcd2dba93594b227a1f57ee09b8b9da8892c34d55aa332e034a228d0fe6a171"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "gpu-alloc-types",
 ]
 
@@ -556,14 +556,14 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "98ff03b468aa837d70984d55f5d3f846f6ec31fe34bbb97c4f85219caeee1ca4"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
 ]
 
 [[package]]
 name = "gpu-allocator"
-version = "0.25.0"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f56f6318968d03c18e1bcf4857ff88c61157e9da8e47c5f29055d60e1228884"
+checksum = "fdd4240fc91d3433d5e5b0fc5b67672d771850dc19bbee03c1381e19322803d7"
 dependencies = [
  "log",
  "presser",
@@ -578,7 +578,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c08c1f623a8d0b722b8b99f821eb0ba672a1618f0d3b16ddbee1cedd2dd8557"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "gpu-descriptor-types",
  "hashbrown",
 ]
@@ -589,7 +589,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fdf242682df893b86f33a73828fb09ca4b2d3bb6cc95249707fc684d27484b91"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
 ]
 
 [[package]]
@@ -608,10 +608,10 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af2a7e73e1f34c48da31fb668a907f250794837e08faa144fd24f0b8b741e890"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "com",
  "libc",
- "libloading 0.8.1",
+ "libloading",
  "thiserror",
  "widestring",
  "winapi",
@@ -680,7 +680,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6aae1df220ece3c0ada96b8153459b67eebe9ae9212258bb0134ae60416fdf76"
 dependencies = [
  "libc",
- "libloading 0.8.1",
+ "libloading",
  "pkg-config",
 ]
 
@@ -702,16 +702,6 @@ version = "0.2.153"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
 
-[[package]]
-name = "libloading"
-version = "0.7.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b67380fd3b2fbe7527a606e18729d21c6f3951633d0500574c4dc22d2d638b9f"
-dependencies = [
- "cfg-if",
- "winapi",
-]
-
 [[package]]
 name = "libloading"
 version = "0.8.1"
@@ -728,7 +718,7 @@ version = "0.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3af92c55d7d839293953fcd0fda5ecfe93297cfde6ffbdec13b41d99c0ba6607"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "libc",
  "redox_syscall",
 ]
@@ -809,11 +799,11 @@ dependencies = [
 
 [[package]]
 name = "metal"
-version = "0.28.0"
+version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5637e166ea14be6063a3f8ba5ccb9a4159df7d8f6d61c02fc3d480b1f90dcfcb"
+checksum = "7ecfd3296f8c56b7c1f6fbac3c71cefa9d78ce009850c45000015f206dc7fa21"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "block",
  "core-graphics-types",
  "foreign-types",
@@ -824,18 +814,18 @@ dependencies = [
 
 [[package]]
 name = "naga"
-version = "0.20.0"
+version = "22.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e536ae46fcab0876853bd4a632ede5df4b1c2527a58f6c5a4150fe86be858231"
+checksum = "8bd5a652b6faf21496f2cfd88fc49989c8db0825d1f6746b1a71a6ede24a63ad"
 dependencies = [
  "arrayvec",
  "bit-set",
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
+ "cfg_aliases 0.1.1",
  "codespan-reporting",
  "hexf-parse",
  "indexmap",
  "log",
- "num-traits",
  "rustc-hash",
  "spirv",
  "termcolor",
@@ -849,7 +839,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3f42e7bbe13d351b6bead8286a43aac9534b82bd3cc43e47037f012ebfd62d4"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "jni-sys",
  "log",
  "ndk-sys 0.6.0+11769913",
@@ -892,15 +882,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "num-traits"
-version = "0.2.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "num_enum"
 version = "0.7.2"
@@ -1130,19 +1111,19 @@ dependencies = [
 
 [[package]]
 name = "profiling"
-version = "1.0.14"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f0f7f43585c34e4fdd7497d746bc32e14458cf11c69341cc0587b1d825dde42"
+checksum = "43d84d1d7a6ac92673717f9f6d1518374ef257669c24ebc5ac25d5033828be58"
 dependencies = [
  "profiling-procmacros",
- "tracy-client 0.16.5",
+ "tracy-client",
 ]
 
 [[package]]
 name = "profiling-procmacros"
-version = "1.0.14"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce97fecd27bc49296e5e20518b5a1bb54a14f7d5fe6228bc9686ee2a74915cc8"
+checksum = "8021cf59c8ec9c432cfc2526ac6b8aa508ecaf29cd415f271b8406c1b851c3fd"
 dependencies = [
  "quote",
  "syn 2.0.48",
@@ -1249,7 +1230,7 @@ version = "0.38.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ea3e1a662af26cd7a3ba09c0297a31af215563ecf42817c98df621387f4e949"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "errno",
  "libc",
  "linux-raw-sys",
@@ -1355,7 +1336,7 @@ version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "60e3d9941fa3bacf7c2bf4b065304faa14164151254cd16ce1b1bc8fc381600f"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "calloop",
  "calloop-wayland-source",
  "cursor-icon",
@@ -1389,7 +1370,7 @@ version = "0.3.0+sdk-1.3.268.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eda41003dc44290527a59b13432d4a0379379fa074b70174882adfbdfd917844"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
 ]
 
 [[package]]
@@ -1437,18 +1418,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.59"
+version = "1.0.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0126ad08bff79f29fc3ae6a55cc72352056dfff61e3ff8bb7129476d44b23aa"
+checksum = "c0342370b38b6a11b6cc11d6a805569958d54cfa061a29969c3b5ce2ea405724"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.59"
+version = "1.0.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1cd413b5d558b4c5bf3680e324a6fa5014e7b7c067a51e69dbdf47eb7148b66"
+checksum = "a4558b58466b9ad7ca0f102865eccc95938dca1a74a856f2b57b6629050da261"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1568,17 +1549,6 @@ dependencies = [
  "tracing-log",
 ]
 
-[[package]]
-name = "tracy-client"
-version = "0.16.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "307e6b7030112fe9640fdd87988a40795549ba75c355f59485d14e6b444d2987"
-dependencies = [
- "loom",
- "once_cell",
- "tracy-client-sys",
-]
-
 [[package]]
 name = "tracy-client"
 version = "0.17.0"
@@ -1743,7 +1713,7 @@ version = "0.31.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "82fb96ee935c2cea6668ccb470fb7771f6215d1691746c2d896b447a00ad3f1f"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "rustix",
  "wayland-backend",
  "wayland-scanner",
@@ -1755,7 +1725,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "625c5029dbd43d25e6aa9615e88b829a5cad13b2819c4ae129fdbb7c31ab4c7e"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "cursor-icon",
  "wayland-backend",
 ]
@@ -1777,7 +1747,7 @@ version = "0.31.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f81f365b8b4a97f422ac0e8737c438024b5951734506b0e1d775c73030561f4"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "wayland-backend",
  "wayland-client",
  "wayland-scanner",
@@ -1789,7 +1759,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23803551115ff9ea9bce586860c5c5a971e360825a0309264102a9495a5ff479"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "wayland-backend",
  "wayland-client",
  "wayland-protocols",
@@ -1802,7 +1772,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ad1f61b76b6c2d8742e10f9ba5c3737f6530b4c243132c2a2ccc8aa96fe25cd6"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "wayland-backend",
  "wayland-client",
  "wayland-protocols",
@@ -1854,12 +1824,11 @@ dependencies = [
 
 [[package]]
 name = "wgpu"
-version = "0.20.0"
+version = "22.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32ff1bfee408e1028e2e3acbf6d32d98b08a5a059ccbf5f33305534453ba5d3e"
+checksum = "e1d1c4ba43f80542cf63a0a6ed3134629ae73e8ab51e4b765a67f3aa062eb433"
 dependencies = [
  "arrayvec",
- "cfg-if",
  "cfg_aliases 0.1.1",
  "document-features",
  "js-sys",
@@ -1880,15 +1849,14 @@ dependencies = [
 
 [[package]]
 name = "wgpu-core"
-version = "0.20.0"
+version = "22.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac6a86eaa5e763e59c73cf9e97d55fffd4dfda69fd8bda19589fcf851ddfef1f"
+checksum = "0348c840d1051b8e86c3bcd31206080c5e71e5933dabd79be1ce732b0b2f089a"
 dependencies = [
  "arrayvec",
  "bit-vec",
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "cfg_aliases 0.1.1",
- "codespan-reporting",
  "document-features",
  "indexmap",
  "log",
@@ -1900,22 +1868,21 @@ dependencies = [
  "rustc-hash",
  "smallvec",
  "thiserror",
- "web-sys",
  "wgpu-hal",
  "wgpu-types",
 ]
 
 [[package]]
 name = "wgpu-hal"
-version = "0.20.0"
+version = "22.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d71c8ae05170583049b65ee562fd839fdc0b3e9ddb84f4e40c9d5f8ea0d4c8c"
+checksum = "f6bbf4b4de8b2a83c0401d9e5ae0080a2792055f25859a02bf9be97952bbed4f"
 dependencies = [
  "android_system_properties",
  "arrayvec",
  "ash",
  "bit-set",
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "block",
  "cfg_aliases 0.1.1",
  "core-graphics-types",
@@ -1929,7 +1896,7 @@ dependencies = [
  "js-sys",
  "khronos-egl",
  "libc",
- "libloading 0.8.1",
+ "libloading",
  "log",
  "metal",
  "naga",
@@ -1958,18 +1925,18 @@ dependencies = [
  "parking_lot",
  "profiling",
  "thiserror",
- "tracy-client 0.17.0",
+ "tracy-client",
  "wgpu",
  "winit",
 ]
 
 [[package]]
 name = "wgpu-types"
-version = "0.20.0"
+version = "22.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1353d9a46bff7f955a680577f34c69122628cc2076e1d6f3a9be6ef00ae793ef"
+checksum = "bc9d91f0e2c4b51434dfa6db77846f2793149d8e73f800fa2e41f52b8eac3c5d"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "js-sys",
  "web-sys",
 ]
@@ -2246,7 +2213,7 @@ dependencies = [
  "ahash",
  "android-activity",
  "atomic-waker",
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "bytemuck",
  "calloop",
  "cfg_aliases 0.2.1",
@@ -2316,7 +2283,7 @@ dependencies = [
  "as-raw-xcb-connection",
  "gethostname",
  "libc",
- "libloading 0.8.1",
+ "libloading",
  "once_cell",
  "rustix",
  "x11rb-protocol",
@@ -2340,7 +2307,7 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d039de8032a9a8856a6be89cea3e5d12fdd82306ab7c94d74e6deab2460651c5"
 dependencies = [
- "bitflags 2.5.0",
+ "bitflags 2.6.0",
  "dlib",
  "log",
  "once_cell",
diff --git a/Cargo.toml b/Cargo.toml
index f7fd716..77ab853 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ tracy = ["dep:tracy-client", "profiling/profile-with-tracy"]
 [dependencies]
 parking_lot = "0.12" # Used for Mutex & RwLock. Note that wgpu already depends on parking_lot as well.
 thiserror = "1"
-wgpu = "0.20.0"
+wgpu = "22.1.0"
 
 tracy-client = { version = "0.17", optional = true }
 
diff --git a/examples/demo.rs b/examples/demo.rs
index 5aaf541..be108c8 100644
--- a/examples/demo.rs
+++ b/examples/demo.rs
@@ -88,6 +88,7 @@ impl GfxState {
                     label: None,
                     required_features: adapter.features() & GpuProfiler::ALL_WGPU_TIMER_FEATURES,
                     required_limits: wgpu::Limits::default(),
+                    memory_hints: wgpu::MemoryHints::default(),
                 },
                 None,
             )
@@ -133,6 +134,7 @@ impl GfxState {
             depth_stencil: None,
             multisample: wgpu::MultisampleState::default(),
             multiview: None,
+            cache: None,
         });
 
         // Create a new profiler instance.
diff --git a/src/lib.rs b/src/lib.rs
index 571b6f7..1fd6a37 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -36,6 +36,7 @@ use wgpu_profiler::*;
 #        module: &cs_module,
 #        entry_point: "main",
 #        compilation_options: wgpu::PipelineCompilationOptions::default(),
+#        cache: None,
 #    });
 // ...
 
diff --git a/src/scope.rs b/src/scope.rs
index 1aee7e1..011743d 100644
--- a/src/scope.rs
+++ b/src/scope.rs
@@ -106,7 +106,7 @@ macro_rules! impl_scope_ext {
                 &'b mut self,
                 label: impl Into<String>,
                 device: &wgpu::Device,
-                pass_descriptor: wgpu::RenderPassDescriptor<'b, '_>,
+                pass_descriptor: wgpu::RenderPassDescriptor<'_>,
             ) -> OwningScope<'b, wgpu::RenderPass<'b>> {
                 let child_scope = self
                     .profiler