From 0bfeb64026e12e596a9f8d3ea1aa23a2c6c4a746 Mon Sep 17 00:00:00 2001
From: Green Sky <Green-Sky@users.noreply.github.com>
Date: Wed, 9 Apr 2025 11:57:30 +0200
Subject: [PATCH] make imgui endianess aware

---
 external/imgui/CMakeLists.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/external/imgui/CMakeLists.txt b/external/imgui/CMakeLists.txt
index e77f07d..aadae9c 100644
--- a/external/imgui/CMakeLists.txt
+++ b/external/imgui/CMakeLists.txt
@@ -21,6 +21,13 @@ add_library(imgui
 target_compile_definitions(imgui PUBLIC IMGUI_USE_WCHAR32)
 target_compile_features(imgui PUBLIC cxx_std_11)
 
+if(DEFINED CMAKE_CXX_BYTE_ORDER)
+	if(CMAKE_CXX_BYTE_ORDER STREQUAL "BIG_ENDIAN")
+		# for opengl and sdlrenderer
+		target_compile_definitions(imgui PUBLIC IMGUI_USE_BGRA_PACKED_COLOR)
+	endif()
+else()
+
 if (TARGET Freetype::Freetype)
 	message(STATUS "Freetype detected, enabling support in imgui")
 	target_sources(imgui PUBLIC