Update setup.sh to use array of sources, swap main CPP file for existing one in examples/example_sdl3_opengl3/main.cpp

Author: zmertens

examples/example_android_sdl3_opengl3/setup.sh

@@ -12,12 +12,38 @@ if [ ! -d "${SDL_DIR}" ]; then
     git submodule update --init --recursive
 fi
 
+SOURCES=( \
+"../../imgui.h " \
+"../../imgui.cpp " \
+"../../imconfig.h " \
+"../../imstb_rectpack.h " \
+"../../imstb_textedit.h " \
+"../../imstb_truetype.h " \
+"../../imgui_internal.h " \
+"../../imgui_widgets.cpp " \
+"../../imgui_tables.cpp " \
+"../../imgui_draw.cpp " \
+"../../imgui_demo.cpp " \
+"../../backends/imgui_impl_opengl3.cpp " \
+"../../backends/imgui_impl_opengl3.h " \
+"../../backends/imgui_impl_sdl3.cpp " \
+"../../backends/imgui_impl_sdl3.h " \
+"../../examples/example_sdl3_opengl3/main.cpp")
+
+SOURCE_AS_STR=""
+for val in "${SOURCES[@]}";
+do
+    SOURCE_AS_STR+=$val
+done
+
+echo -n $SOURCE_AS_STR
+
 ANDROID_JNI_PATH="${SDL_DIR}/build/${JAVA_PKG_NAME}/app/jni/src"
 ANDROID_STRINGS_PATH="${SDL_DIR}/build/${JAVA_PKG_NAME}/app/src/main/res/values"
 
 
 if [ ! -d "${ANDROID_JNI_PATH}" ]; then
-    bash ${SDL_BUILD_SCRIPTS_DIR}/androidbuild.sh $JAVA_PKG_NAME < ../../imgui.cpp ../../imgui.h ../../imconfig.h ../../imstb_rectpack.h ../../imstb_textedit.h ../../imstb_truetype.h  ../../imgui_internal.h imconfig.h ../../imgui_widgets.cpp ../../imgui_tables.cpp ../../imgui_draw.cpp ../../imgui_demo.cpp ../../backends/imgui_impl_opengl3.cpp ../../backends/imgui_impl_opengl3.h ../../backends/imgui_impl_sdl3.cpp ../../backends/imgui_impl_sdl3.h DearImGuiDemo.cpp
+    bash ${SDL_BUILD_SCRIPTS_DIR}/androidbuild.sh $JAVA_PKG_NAME < "${SOURCE_AS_STR}"
     sed -i -e "s|-lGLESv2|-lGLESv2 -lGLESv3|" $ANDROID_JNI_PATH/Android.mk
     sed -i -e "s|Game|$APP_NAME|g" $ANDROID_STRINGS_PATH/strings.xml
 fi

examples/example_sdl3_opengl3/main.cpp

@@ -10,10 +10,17 @@
 #include "imgui.h"
 #include "imgui_impl_sdl3.h"
 #include "imgui_impl_opengl3.h"
+
 #include <stdio.h>
-#include <SDL3/SDL.h>
+
+#include <SDL3/SDL_main.h>
+#include <SDL3/SDL_test_common.h>
+
 #if defined(IMGUI_IMPL_OPENGL_ES2)
 #include <SDL3/SDL_opengles2.h>
+#elif defined(IMGUI_IMPL_OPENGL_ES3)
+#include <GLES3/gl3.h>
+#include <SDL3/SDL_opengles2.h>
 #else
 #include <SDL3/SDL_opengl.h>
 #endif
@@ -41,6 +48,13 @@ int main(int, char**)
     SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
     SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
     SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
+#elif defined(IMGUI_IMPL_OPENGL_ES3)
+    // GL ES 3.0 + GLSL 100
+    const char* glsl_version = "#version 100";
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
 #elif defined(__APPLE__)
     // GL 3.2 Core + GLSL 150
     const char* glsl_version = "#version 150";