Add automatic OpenGL 1 selection for older versions

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/Tools.java

@@ -132,6 +132,9 @@ public final class Tools {
         PojavLoginActivity.disableSplash(gamedirPath);
         String[] launchArgs = getMinecraftArgs(profile, versionInfo, gamedirPath);
 
+        // Select the appropriate openGL version
+        OldVersionsUtils.selectOpenGlVersion(versionInfo);
+
         // ctx.appendlnToLog("Minecraft Args: " + Arrays.toString(launchArgs));
 
         String launchClassPath = generateLaunchClassPath(versionInfo,versionName);

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/extra/ExtraConstants.java

@@ -5,6 +5,8 @@ public class ExtraConstants {
     public static final String RELEASE_TABLE = "release_table";
     /* ExtraCore constant: an ArrayList of Strings, where each String is a Minecraft version name */
     public static final String VERSION_LIST= "lac_version_list";
-    /* ExraCore constant: Serpent's back button tracking thing */
+    /* ExtraCore constant: Serpent's back button tracking thing */
     public static final String BACK_PREFERENCE = "back_preference";
+    /* ExtraCore constant: The OPENGL version that should be exposed */
+    public static final String OPEN_GL_VERSION = "open_gl_version";
 }

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java

@@ -33,7 +33,6 @@ public class LauncherPreferences {
     public static int PREF_CONTROL_BOTTOM_OFFSET = 0;
     public static int PREF_CONTROL_LEFT_OFFSET = 0;
     public static boolean PREF_SUSTAINED_PERFORMANCE = false;
-    public static String PREF_GLES_SHRINK_HACK = "0";
     public static boolean PREF_VIRTUAL_MOUSE_START = false;
     public static boolean PREF_ARC_CAPES = false;
     public static boolean PREF_USE_ALTERNATE_SURFACE = true;
@@ -67,7 +66,6 @@ public class LauncherPreferences {
         PREF_CONTROL_BOTTOM_OFFSET = DEFAULT_PREF.getInt("controlBottomOffset", 0);
         PREF_CONTROL_LEFT_OFFSET = DEFAULT_PREF.getInt("controlLeftOffset", 0);
         PREF_SUSTAINED_PERFORMANCE = DEFAULT_PREF.getBoolean("sustainedPerformance", false);
-        PREF_GLES_SHRINK_HACK = DEFAULT_PREF.getString("gl4es_shrink_hack", "0");
         PREF_VIRTUAL_MOUSE_START = DEFAULT_PREF.getBoolean("mouse_start", false);
         PREF_ARC_CAPES = DEFAULT_PREF.getBoolean("arc_capes",false);
         PREF_USE_ALTERNATE_SURFACE = DEFAULT_PREF.getBoolean("alternate_surface", false);

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java

@@ -4,7 +4,6 @@ import static net.kdt.pojavlaunch.Architecture.ARCH_X86;
 import static net.kdt.pojavlaunch.Architecture.is64BitsDevice;
 import static net.kdt.pojavlaunch.Tools.LOCAL_RENDERER;
 import static net.kdt.pojavlaunch.Tools.currentDisplayMetrics;
-import static net.kdt.pojavlaunch.prefs.LauncherPreferences.PREF_GLES_SHRINK_HACK;
 
 import android.app.*;
 import android.content.*;
@@ -17,6 +16,8 @@ import com.oracle.dalvik.*;
 import java.io.*;
 import java.util.*;
 import net.kdt.pojavlaunch.*;
+import net.kdt.pojavlaunch.extra.ExtraConstants;
+import net.kdt.pojavlaunch.extra.ExtraCore;
 import net.kdt.pojavlaunch.prefs.*;
 import org.lwjgl.glfw.*;
 
@@ -196,12 +197,12 @@ public class JREUtils {
         // On certain GLES drivers, overloading default functions shader hack fails, so disable it
         envMap.put("LIBGL_NOINTOVLHACK", "1");
 
-        // The shrink hack can be enabled from the experimental settings
-        envMap.put("LIBGL_SHRINK", PREF_GLES_SHRINK_HACK);
-
         // Fix white color on banner and sheep, since GL4ES 1.1.5
         envMap.put("LIBGL_NORMALIZE", "1");
 
+        // The OPEN GL version is changed according
+        envMap.put("LIBGL_ES", (String) ExtraCore.getValue(ExtraConstants.OPEN_GL_VERSION));
+   
         envMap.put("MESA_GLSL_CACHE_DIR", activity.getCacheDir().getAbsolutePath());
         if (LOCAL_RENDERER != null) {
             envMap.put("MESA_GL_VERSION_OVERRIDE", LOCAL_RENDERER.equals("opengles3_virgl")?"4.3":"4.6");

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/OldVersionsUtils.java

@@ -0,0 +1,36 @@
+package net.kdt.pojavlaunch.utils;
+
+import android.util.Log;
+
+import net.kdt.pojavlaunch.JMinecraftVersionList;
+import net.kdt.pojavlaunch.extra.ExtraConstants;
+import net.kdt.pojavlaunch.extra.ExtraCore;
+import net.kdt.pojavlaunch.value.launcherprofiles.MinecraftProfile;
+
+import java.sql.Date;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Locale;
+
+/** Class here to help with various stuff to help run lower versions smoothly */
+public class OldVersionsUtils {
+    /** Lower minecraft versions fare better with opengl 1
+     * @param version The version about to be launched
+     */
+    public static void selectOpenGlVersion(JMinecraftVersionList.Version version){
+        // 1309989600 is 2011-07-07  2011-07-07T22:00:00+00:00
+        String creationDate = version.releaseTime;
+        if(creationDate == null || creationDate.isEmpty()){
+            ExtraCore.setValue(ExtraConstants.OPEN_GL_VERSION, "2");
+            return;
+        }
+
+        try {
+            String openGlVersion = new SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH).parse(creationDate.substring(0, creationDate.indexOf("T"))).before(new Date(2011-1900, 6, 7)) ? "1" : "2";
+            ExtraCore.setValue(ExtraConstants.OPEN_GL_VERSION, openGlVersion);
+        }catch (ParseException exception){
+            Log.e("OPENGL SELECTION", exception.toString());
+            ExtraCore.setValue(ExtraConstants.OPEN_GL_VERSION, "2");
+        }
+    }
+}