From 6f96155f5cb90dff93da21444d8586aca1ade17b Mon Sep 17 00:00:00 2001
From: Pascal Thomet <pthomet@gmail.com>
Date: Mon, 30 Sep 2024 07:25:53 +0200
Subject: [PATCH] hello_imgui_build_lib.cmake: if emscripten, use OpenGl Es3

---
 hello_imgui_cmake/hello_imgui_build_lib.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hello_imgui_cmake/hello_imgui_build_lib.cmake b/hello_imgui_cmake/hello_imgui_build_lib.cmake
index 7d1e7685..56fe09ae 100644
--- a/hello_imgui_cmake/hello_imgui_build_lib.cmake
+++ b/hello_imgui_cmake/hello_imgui_build_lib.cmake
@@ -736,6 +736,11 @@ function(him_has_opengl3 target)
 
     if (IOS OR EMSCRIPTEN)
         set(HELLOIMGUI_USE_GLAD OFF CACHE INTERNAL "" FORCE)
+        target_compile_definitions(${target}
+            PUBLIC
+            IMGUI_IMPL_OPENGL_ES3
+            HELLOIMGUI_USE_GLES3
+        )
     else()
         set(HELLOIMGUI_USE_GLAD ON CACHE INTERNAL "" FORCE)
     endif()