From 53b3506a5a4b9bdf09435f1f4ca475d96e143e01 Mon Sep 17 00:00:00 2001
From: Alexandre Bouvier <contact@amb.tf>
Date: Fri, 16 Aug 2024 16:49:32 +0000
Subject: [PATCH] cmake: prefer system renderdoc library (#452)

---
 CMakeLists.txt            |  2 +-
 cmake/FindRenderDoc.cmake | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 cmake/FindRenderDoc.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 009006a4..a248ed1a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,6 +71,7 @@ find_package(FFmpeg 5.1.2 MODULE)
 find_package(fmt 10.2.1 CONFIG)
 find_package(glslang 14.2.0 CONFIG)
 find_package(magic_enum 0.9.6 CONFIG)
+find_package(RenderDoc 1.6.0 MODULE)
 find_package(SDL3 3.1.2 CONFIG)
 find_package(toml11 3.8.1 CONFIG)
 find_package(tsl-robin-map 1.3.0 CONFIG)
@@ -80,7 +81,6 @@ find_package(xbyak 7.07 CONFIG)
 find_package(xxHash 0.8.2 MODULE)
 find_package(zlib-ng 2.2.0 MODULE)
 find_package(Zydis 4.1.0 CONFIG)
-find_package(RenderDoc MODULE)
 
 if (APPLE)
     find_package(date 3.0.1 CONFIG)
diff --git a/cmake/FindRenderDoc.cmake b/cmake/FindRenderDoc.cmake
new file mode 100644
index 00000000..e4cf8a6d
--- /dev/null
+++ b/cmake/FindRenderDoc.cmake
@@ -0,0 +1,25 @@
+# SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+find_path(RENDERDOC_INCLUDE_DIR renderdoc_app.h)
+
+if (RENDERDOC_INCLUDE_DIR AND EXISTS "${RENDERDOC_INCLUDE_DIR}/renderdoc_app.h")
+    file(STRINGS "${RENDERDOC_INCLUDE_DIR}/renderdoc_app.h" RENDERDOC_VERSION_LINE REGEX "typedef struct RENDERDOC_API")
+    string(REGEX REPLACE ".*typedef struct RENDERDOC_API_([0-9]+)_([0-9]+)_([0-9]+).*" "\\1.\\2.\\3" RENDERDOC_VERSION "${RENDERDOC_VERSION_LINE}")
+    unset(RENDERDOC_VERSION_LINE)
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(RenderDoc
+    REQUIRED_VARS RENDERDOC_INCLUDE_DIR
+    VERSION_VAR RENDERDOC_VERSION
+)
+
+if (RenderDoc_FOUND AND NOT TARGET RenderDoc::API)
+    add_library(RenderDoc::API INTERFACE IMPORTED)
+    set_target_properties(RenderDoc::API PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES "${RENDERDOC_INCLUDE_DIR}"
+    )
+endif()
+
+mark_as_advanced(RENDERDOC_INCLUDE_DIR)