MorphOS: update version and code

Update version to 53.15
Now you need TinyGL 53.8 or more (14.08.2023)
Now always use tglEnableNewExtensions !

sdl2-config

@@ -38,7 +38,7 @@ while test $# -gt 0; do
       echo $exec_prefix
       ;;
     --version)
-      echo 2.30.1
+      echo 2.30.2
       ;;
     --cflags)
      	echo -noixemul -I${prefix}/include/SDL2

src/core/morphos/SDL_mosversion.h

@@ -1,5 +1,5 @@
 #define	str(s) #s
 #define 	xstr(s) str(s)
 #define	VERSION		53
-#define	REVISION	14
+#define	REVISION	15
 #define	VERSTAG	"\0$VER: sdl2.library " xstr(VERSION) "." xstr(REVISION) " (" __AMIGADATE__ ") © Bruno Peloille, Szilárd Biró, Ilkka Lehtoranta"

src/core/morphos/devenv/sdl-startup.c

@@ -105,9 +105,7 @@ static DESTRUCTOR_P(cleanup_SDL2Base, 100)
 	{
 		if (NewLock)
 		{
-			CurrentDir(OldLock);			
-			UnLock(NewLock);
-			//UnLock(CurrentDir(OldLock));
+			UnLock(CurrentDir(OldLock));
 		}
 		CloseLibrary(base);
 		base = NULL;

src/render/opengl/SDL_render_gl.c

@@ -1907,7 +1907,7 @@ static SDL_Renderer *GL_CreateRenderer(SDL_Window *window, Uint32 flags)
         data->shaders = GL_CreateShaderContext();
     }
 
-	//D("OpenGL shaders: %s\n", data->shaders ? "ENABLED" : "DISABLED");
+	D("OpenGL shaders: %s\n", data->shaders ? "ENABLED" : "DISABLED");
 
     SDL_LogInfo(SDL_LOG_CATEGORY_RENDER, "OpenGL shaders: %s",
                 data->shaders ? "ENABLED" : "DISABLED");
@@ -1949,9 +1949,9 @@ static SDL_Renderer *GL_CreateRenderer(SDL_Window *window, Uint32 flags)
             SDL_GL_GetProcAddress("glCheckFramebufferStatusEXT");
         renderer->info.flags |= SDL_RENDERER_TARGETTEXTURE;
     }
-    data->framebuffers = NULL;
+	D("GL_EXT_framebuffer_object: %s\n", data->GL_EXT_framebuffer_object_supported ? "ENABLED" : "DISABLED");
 
-	//D("GL_EXT_framebuffer_object: %s\n", data->GL_EXT_framebuffer_object_supported ? "ENABLED" : "DISABLED");
+    data->framebuffers = NULL;
 
     /* Set up parameters for rendering */
     data->glMatrixMode(GL_MODELVIEW);

src/video/morphos/SDL_mosopengl.c

@@ -54,18 +54,18 @@ MOS_GL_LoadLibrary(_THIS, const char *path)
 			UWORD TinyGl_Version = TinyGLBase->lib_Version;
 			UWORD TinyGl_Revision = TinyGLBase->lib_Revision;
 			D("[%s] tinygl.library version %d.%d\n", __FUNCTION__, TinyGl_Version, TinyGl_Revision);
-			if (TinyGl_Version < 53 || (TinyGl_Version == 53 && TinyGl_Revision < 7))
+			if (TinyGl_Version < 53 || (TinyGl_Version == 53 && TinyGl_Revision < 8))
 			{
-				// tingl < 53.7
-				SDL_SetError("Failed to open tinygl.library 53.7+");
+				// tingl < 53.8
+				SDL_SetError("Failed to open tinygl.library 53.8+");
 				return -1;
 			}
 			if (SDL2Base->MyTinyGLBase)				
 				*SDL2Base->MyTinyGLBase = TinyGLBase;	
 
 			return 0;
 	} else 
-		SDL_SetError("Failed to open tinygl.library 53.7+");
+		SDL_SetError("Failed to open tinygl.library 53+");
 
 	return -1;
 }
@@ -173,17 +173,8 @@ SDL_bool MOS_GL_InitContext(_THIS, SDL_Window * window)
 	int success = GLAInitializeContext(__tglContext, tgltags);
 	if (success) {
 		data->__tglContext = __tglContext;
-
-		SDL_bool withnewextension = SDL_TRUE;
-
-		char *val = val = MOS_getenv("SDL_RENDER_OPENGL_SHADERS");
-		if (val && strlen(val)>0 && strcmp(val, "0")==0) 
-			withnewextension = SDL_FALSE;
-
-		if (withnewextension)
-			tglEnableNewExtensions(0); // Active TinyGL New extensions
+		tglEnableNewExtensions(0); // Active TinyGL New extensions
 	}
-	//D("[%s] success=%d\n", __FUNCTION__, success);
 
 	return success ? SDL_TRUE : SDL_FALSE;		
 }