From 34b593f73499c12a21d13a21ebbd1958f938e166 Mon Sep 17 00:00:00 2001
From: atdunbg <atdunbg@qq.com>
Date: Thu, 24 Sep 2026 20:16:30 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20TRACY=5FON=5FDEMAND=E2=80=94=E2=80=94GPU?=
 =?UTF-8?q?=20context=20=E5=AE=A3=E5=91=8A=E9=9A=8F=E8=BF=9E=E6=8E=A5?=
 =?UTF-8?q?=E9=87=8D=E5=8F=91?=
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GpuNewContext 消息只在 TRACY_ON_DEMAND 下 DeferItem（连接后重发）。
程序启动即建 Tracy GPU context 而 GUI 晚连接，宣告丢失 → GUI 不认识
GPU context → pass zone 全部不显示（只见 CPU lane）。启用按需剖析：
连接建立后的帧才活跃，语义即 tracy 官方推荐用法。
---
 Engine/CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Engine/CMakeLists.txt b/Engine/CMakeLists.txt
index 1166d92..108c165 100644
--- a/Engine/CMakeLists.txt
+++ b/Engine/CMakeLists.txt
@@ -40,6 +40,9 @@ set(TRACY_DIR ${CMAKE_SOURCE_DIR}/Lib/tracy)
 target_include_directories(Engine PUBLIC ${TRACY_DIR}/public)
 target_sources(Engine PRIVATE ${TRACY_DIR}/public/TracyClient.cpp)
 target_compile_definitions(Engine PUBLIC TRACY_ENABLE)
+# 按需剖析：GPU context 宣告（GpuNewContext）与连接绑定——GUI 永远晚于
+# 程序启动连接，没有这个宏宣告消息被丢弃，GPU 时间线永远空白
+target_compile_definitions(Engine PUBLIC TRACY_ON_DEMAND)
 
 find_package(Threads REQUIRED)
 target_link_libraries(Engine PUBLIC Threads::Threads)