[GPU] 3d-to-d2 texture implementation

Adds vulkan version of mode 1 and 2 and fixes related crashes by keeping
the 2d texture views from the texture cache.

src/xenia/gpu/texture_cache.h

@@ -294,7 +294,11 @@ class TextureCache {
     void LogAction(const char* action) const;
 
    protected:
-    explicit Texture(TextureCache& texture_cache, const TextureKey& key);
+    // track_usage: if false, the texture won't be added to the LRU tracking
+    // list. Use this for wrapper textures that shouldn't participate in cache
+    // eviction (like texture_3d_as_2d_ wrappers).
+    explicit Texture(TextureCache& texture_cache, const TextureKey& key,
+                     bool track_usage = true);
 
     void SetHostMemoryUsage(uint64_t new_host_memory_usage) {
       texture_cache_.UpdateTexturesTotalHostMemoryUsage(new_host_memory_usage,
@@ -315,6 +319,9 @@ class TextureCache {
     uint64_t last_usage_time_;
     Texture* used_previous_;
     Texture* used_next_;
+    // Whether this texture is in the usage tracking list (for LRU eviction).
+    // Set to false via constructor for wrapper textures.
+    bool in_usage_list_;
 
     // Whether the most up-to-date base / mips contain pages with data from a
     // resolve operation (rather than from the CPU or memexport), primarily for