From 6cdfe1a6949a9fd4b4790df43fd7956bcc293b7c Mon Sep 17 00:00:00 2001
From: SerpentSpirale <serpentspirale@gmail.com>
Date: Sat, 27 Nov 2021 19:02:49 +0100
Subject: [PATCH] New eXperimental hack -> Texture size shrink

---
 .../kdt/pojavlaunch/prefs/LauncherPreferences.java    |  2 ++
 .../main/java/net/kdt/pojavlaunch/utils/JREUtils.java |  4 ++++
 .../src/main/res/values/headings_array.xml            | 11 +++++++++++
 app_pojavlauncher/src/main/res/values/strings.xml     |  3 +++
 .../src/main/res/xml/pref_experimental.xml            | 11 ++++++++++-
 5 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
index 5b52c67d0..f15c26b97 100644
--- a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
@@ -34,6 +34,7 @@ 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 void loadPreferences(Context ctx) {
@@ -63,6 +64,7 @@ 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");
 
 /*
         if (PREF_CUSTOM_JAVA_ARGS.isEmpty()) {
diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java
index 2bdf5bc80..3e576b7be 100644
--- a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java
@@ -4,6 +4,7 @@ import static net.kdt.pojavlaunch.Architecture.ARCH_X86;
 import static net.kdt.pojavlaunch.Architecture.archAsString;
 import static net.kdt.pojavlaunch.Architecture.is64BitsDevice;
 import static net.kdt.pojavlaunch.Tools.LOCAL_RENDERER;
+import static net.kdt.pojavlaunch.prefs.LauncherPreferences.PREF_GLES_SHRINK_HACK;
 
 import android.app.*;
 import android.content.*;
@@ -207,6 +208,9 @@ public class JREUtils {
         envMap.put("HOME", Tools.DIR_GAME_NEW);
         envMap.put("TMPDIR", activity.getCacheDir().getAbsolutePath());
         envMap.put("LIBGL_MIPMAP", "3");
+
+        // 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");
diff --git a/app_pojavlauncher/src/main/res/values/headings_array.xml b/app_pojavlauncher/src/main/res/values/headings_array.xml
index 465d3f194..2231c10fa 100644
--- a/app_pojavlauncher/src/main/res/values/headings_array.xml
+++ b/app_pojavlauncher/src/main/res/values/headings_array.xml
@@ -17,4 +17,15 @@
         <item>opengles3_vgpu</item> <!-- vgpu with OpenGL ES 3 -->
         <item>opengles3_virgl</item> <!-- virglrenderer with OpenGL ES 3 -->
     </string-array>
+
+    <string-array name="hack_gles_shrink">
+        <item name="0">@string/gles_hack_none</item>
+        <item name="1">@string/gles_hack_always</item>
+        <item name="4">@string/gles_hack_sometimes</item>
+    </string-array>
+    <string-array name="hack_gles_shrink_values">
+        <item>0</item>
+        <item>1</item>
+        <item>4</item>
+    </string-array>
 </resources>
diff --git a/app_pojavlauncher/src/main/res/values/strings.xml b/app_pojavlauncher/src/main/res/values/strings.xml
index ace0c7671..8a8459327 100644
--- a/app_pojavlauncher/src/main/res/values/strings.xml
+++ b/app_pojavlauncher/src/main/res/values/strings.xml
@@ -279,5 +279,8 @@
     <string name="preference_sustained_performance_description">Limit thermal throttling by limiting peak performance</string>
 
     <string name="preference_back_title">Back to the last screen</string>
+    <string name="gles_hack_none">Don\'t shrink textures</string>
+    <string name="gles_hack_always">Divides all textures by 2</string>
+    <string name="gles_hack_sometimes">Divides big textures by /2 or /4</string>
 
 </resources>
diff --git a/app_pojavlauncher/src/main/res/xml/pref_experimental.xml b/app_pojavlauncher/src/main/res/xml/pref_experimental.xml
index 851b00269..28d389a24 100644
--- a/app_pojavlauncher/src/main/res/xml/pref_experimental.xml
+++ b/app_pojavlauncher/src/main/res/xml/pref_experimental.xml
@@ -1,7 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app2="http://schemas.android.com/apk/res-auto">
     <net.kdt.pojavlaunch.prefs.BackButtonPreference/>
     <PreferenceCategory android:title="Experimental fuckury">
 
+        <androidx.preference.ListPreference
+            android:title="GL4ES Shrink hack"
+            android:key="gl4es_shrink_hack"
+            android:defaultValue="0"
+            android:entryValues="@array/hack_gles_shrink_values"
+            android:entries="@array/hack_gles_shrink"
+            app2:useSimpleSummaryProvider="true"/>
+
     </PreferenceCategory>
 </PreferenceScreen>
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