Define SDL_PLATFORM_* macros instead of underscored ones (#8875)

test/testgles2.c

@@ -9,16 +9,17 @@
   including commercial applications, and to alter it and redistribute it
   freely.
 */
-#include <stdlib.h>
-
-#ifdef __EMSCRIPTEN__
-#include <emscripten/emscripten.h>
-#endif
 
 #include <SDL3/SDL_test_common.h>
 #include <SDL3/SDL_main.h>
 
-#if defined(__IOS__) || defined(__ANDROID__) || defined(__EMSCRIPTEN__) || defined(__WINDOWS__) || defined(__LINUX__)
+#ifdef SDL_PLATFORM_EMSCRIPTEN
+#include <emscripten/emscripten.h>
+#endif
+
+#include <stdlib.h>
+
+#if defined(SDL_PLATFORM_IOS) || defined(SDL_PLATFORM_ANDROID) || defined(SDL_PLATFORM_EMSCRIPTEN) || defined(SDL_PLATFORM_WINDOWS) || defined(SDL_PLATFORM_LINUX)
 #define HAVE_OPENGLES2
 #endif
 
@@ -535,7 +536,7 @@ Render(unsigned int width, unsigned int height, shader_data *data)
 static int done;
 static Uint32 frames;
 static shader_data *datas;
-#ifndef __EMSCRIPTEN__
+#ifndef SDL_PLATFORM_EMSCRIPTEN
 static thread_data *threads;
 #endif
 
@@ -560,7 +561,7 @@ render_window(int index)
     ++frames;
 }
 
-#ifndef __EMSCRIPTEN__
+#ifndef SDL_PLATFORM_EMSCRIPTEN
 static int SDLCALL
 render_thread_fn(void *render_ctx)
 {
@@ -652,7 +653,7 @@ loop(void)
             render_window(i);
         }
     }
-#ifdef __EMSCRIPTEN__
+#ifdef SDL_PLATFORM_EMSCRIPTEN
     else {
         emscripten_cancel_main_loop();
     }
@@ -912,7 +913,7 @@ int main(int argc, char *argv[])
     then = SDL_GetTicks();
     done = 0;
 
-#ifdef __EMSCRIPTEN__
+#ifdef SDL_PLATFORM_EMSCRIPTEN
     emscripten_set_main_loop(loop, 0, 1);
 #else
     if (threaded) {
@@ -950,7 +951,7 @@ int main(int argc, char *argv[])
         SDL_Log("%2.2f frames per second\n",
                 ((double)frames * 1000) / (now - then));
     }
-#ifndef __ANDROID__
+#ifndef SDL_PLATFORM_ANDROID
     quit(0);
 #endif
     return 0;