From 91f695d8600a846060ef56eb0f114e94b3ff90fc Mon Sep 17 00:00:00 2001
From: ShirosakiMio <852468399@qq.com>
Date: Thu, 21 Nov 2024 12:27:44 +0800
Subject: [PATCH] Fix[RendererPlugin]: fix Mesa lib not work

---
 .../com/tungsten/fclauncher/FCLauncher.java    | 18 +++++++++++++++---
 FCLauncher/src/main/jni/glfw/osmesa_context.c  |  6 +++++-
 .../main/jni/pojav/ctxbridges/osmesa_loader.c  |  6 +++++-
 3 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/FCLauncher/src/main/java/com/tungsten/fclauncher/FCLauncher.java b/FCLauncher/src/main/java/com/tungsten/fclauncher/FCLauncher.java
index ab5ea1885..3b401937b 100644
--- a/FCLauncher/src/main/java/com/tungsten/fclauncher/FCLauncher.java
+++ b/FCLauncher/src/main/java/com/tungsten/fclauncher/FCLauncher.java
@@ -192,13 +192,21 @@ private static void addRendererEnv(FCLConfig config, HashMap<String, String> env
                 envMap.put("LIBEGL_NAME", RendererPlugin.getSelected().getEglName());
                 RendererPlugin.getSelected().getBoatEnv().forEach(env -> {
                     String[] split = env.split("=");
-                    envMap.put(split[0], split[1]);
+                    if (split[0].equals("LIB_MESA_NAME")) {
+                        envMap.put(split[0], RendererPlugin.getSelected().getPath() + "/" + split[1]);
+                    } else {
+                        envMap.put(split[0], split[1]);
+                    }
                 });
             } else {
                 envMap.put("POJAVEXEC_EGL", RendererPlugin.getSelected().getEglName());
                 RendererPlugin.getSelected().getPojavEnv().forEach(env -> {
                     String[] split = env.split("=");
-                    envMap.put(split[0], split[1]);
+                    if (split[0].equals("LIB_MESA_NAME")) {
+                        envMap.put(split[0], RendererPlugin.getSelected().getPath() + "/" + split[1]);
+                    } else {
+                        envMap.put(split[0], split[1]);
+                    }
                 });
             }
             return;
@@ -315,7 +323,11 @@ private static void setupGraphicAndSoundEngine(FCLConfig config, FCLBridge bridg
         String nativeDir = config.getContext().getApplicationInfo().nativeLibraryDir;
 
         bridge.dlopen(nativeDir + "/libopenal.so");
-        bridge.dlopen(nativeDir + "/" + config.getRenderer().getGlLibName());
+        if (config.getRenderer() == FCLConfig.Renderer.RENDERER_CUSTOM) {
+            bridge.dlopen(RendererPlugin.getSelected().getPath() + "/" + RendererPlugin.getSelected().getGlName());
+        } else {
+            bridge.dlopen(nativeDir + "/" + config.getRenderer().getGlLibName());
+        }
     }
 
     private static void launch(FCLConfig config, FCLBridge bridge, String task) throws IOException {
diff --git a/FCLauncher/src/main/jni/glfw/osmesa_context.c b/FCLauncher/src/main/jni/glfw/osmesa_context.c
index 41b1eeaac..b46852576 100644
--- a/FCLauncher/src/main/jni/glfw/osmesa_context.c
+++ b/FCLauncher/src/main/jni/glfw/osmesa_context.c
@@ -186,7 +186,11 @@ GLFWbool _glfwInitOSMesa(void)
     if (_glfw.osmesa.handle)
         return GLFW_TRUE;
 
-    _glfw.osmesa.handle = _glfw_dlopen(getenv("LIBGL_NAME"));
+    char *lib_name = getenv("LIB_MESA_NAME");
+    if (!lib_name) {
+        lib_name = getenv("LIBGL_NAME");
+    }
+    _glfw.osmesa.handle = _glfw_dlopen(lib_name);
 
     const char *renderer = getenv("LIBGL_STRING");
     
diff --git a/FCLauncher/src/main/jni/pojav/ctxbridges/osmesa_loader.c b/FCLauncher/src/main/jni/pojav/ctxbridges/osmesa_loader.c
index 917dd3898..b8d303ac8 100644
--- a/FCLauncher/src/main/jni/pojav/ctxbridges/osmesa_loader.c
+++ b/FCLauncher/src/main/jni/pojav/ctxbridges/osmesa_loader.c
@@ -27,7 +27,11 @@ bool dlsym_OSMesa() {
     if (pojav_environ->config_renderer == RENDERER_VIRGL) {
         dl_handle = dlopen("libOSMesa_81.so", RTLD_LOCAL | RTLD_LAZY);
     } else {
-        dl_handle = dlopen("libOSMesa_8.so", RTLD_LOCAL | RTLD_LAZY);
+        char *lib_name = getenv("LIB_MESA_NAME");
+        if (!lib_name) {
+            lib_name = "libOSMesa_8.so";
+        }
+        dl_handle = dlopen(lib_name, RTLD_LOCAL | RTLD_LAZY);
     }
     if (dl_handle == NULL) return false;
     OSMesaGetProcAddress_p = dlsym(dl_handle, "OSMesaGetProcAddress");