custom textures: fix static deinit order issue

core/rend/CustomTexture.cpp

@@ -34,7 +34,6 @@
 #include <stb_image_write.h>
 
 CustomTexture custom_texture;
-static WorkerThread loader_thread {"CustomTexLoader"};
 
 void CustomTexture::loadTexture(BaseTextureCacheData *texture)
 {
@@ -90,7 +89,8 @@ bool CustomTexture::init()
 					{
 						NOTICE_LOG(RENDERER, "Found custom textures directory: %s", textures_path.c_str());
 						custom_textures_available = true;
-						loader_thread.run([this]() {
+						loaderThread = std::make_unique<WorkerThread>("CustomTexLoader");
+						loaderThread->run([this]() {
 							loadMap();
 						});
 					}
@@ -102,9 +102,15 @@ bool CustomTexture::init()
 	return custom_textures_available;
 }
 
+CustomTexture::~CustomTexture() {
+	Terminate();
+}
+
 void CustomTexture::Terminate()
 {
-	loader_thread.stop();
+	if (loaderThread)
+		loaderThread->stop();
+	loaderThread.reset();
 	texture_map.clear();
 	initialized = false;
 }
@@ -131,7 +137,7 @@ void CustomTexture::LoadCustomTextureAsync(BaseTextureCacheData *texture_data)
 		return;
 
 	texture_data->custom_load_in_progress++;
-	loader_thread.run([this, texture_data]() {
+	loaderThread->run([this, texture_data]() {
 		loadTexture(texture_data);
 	});
 }

core/rend/CustomTexture.h

@@ -20,13 +20,15 @@
 #include "texconv.h"
 #include <string>
 #include <map>
+#include <memory>
 
 class BaseTextureCacheData;
+class WorkerThread;
 
 class CustomTexture
 {
 public:
-	~CustomTexture() { Terminate(); }
+	~CustomTexture();
 	void LoadCustomTextureAsync(BaseTextureCacheData *texture_data);
 	void DumpTexture(u32 hash, int w, int h, TextureType textype, void *src_buffer);
 	void Terminate();
@@ -42,6 +44,7 @@ private:
 	bool custom_textures_available = false;
 	std::string textures_path;
 	std::map<u32, std::string> texture_map;
+	std::unique_ptr<WorkerThread> loaderThread;
 };
 
 extern CustomTexture custom_texture;