From f9d08888c7ef34c243e492447843c6d138793cc5 Mon Sep 17 00:00:00 2001
From: DrChat <arkolbed@gmail.com>
Date: Thu, 7 Sep 2017 14:22:04 -0500
Subject: [PATCH] Vulkan: ClearCache for texture cache, properly free all
 textures and allocator on exit.

---
 src/xenia/gpu/vulkan/texture_cache.cc | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/xenia/gpu/vulkan/texture_cache.cc b/src/xenia/gpu/vulkan/texture_cache.cc
index 57b32c965..f8d380f49 100644
--- a/src/xenia/gpu/vulkan/texture_cache.cc
+++ b/src/xenia/gpu/vulkan/texture_cache.cc
@@ -207,12 +207,11 @@ TextureCache::~TextureCache() {
     device_->ReleaseQueue(device_queue_);
   }
 
-  for (auto it = samplers_.begin(); it != samplers_.end(); ++it) {
-    vkDestroySampler(*device_, it->second->sampler, nullptr);
-    delete it->second;
-  }
-  samplers_.clear();
+  // Free all textures allocated.
+  ClearCache();
+  Scavenge();
 
+  vmaDestroyAllocator(mem_allocator_);
   vkDestroyDescriptorSetLayout(*device_, texture_descriptor_set_layout_,
                                nullptr);
 }
@@ -1453,7 +1452,20 @@ void TextureCache::RemoveInvalidatedTextures() {
 }
 
 void TextureCache::ClearCache() {
-  // TODO(DrChat): Nuke everything.
+  RemoveInvalidatedTextures();
+  for (auto it = textures_.begin(); it != textures_.end(); ++it) {
+    while (!FreeTexture(it->second)) {
+      // Texture still in use. Busy loop.
+      xe::threading::MaybeYield();
+    }
+  }
+  textures_.clear();
+
+  for (auto it = samplers_.begin(); it != samplers_.end(); ++it) {
+    vkDestroySampler(*device_, it->second->sampler, nullptr);
+    delete it->second;
+  }
+  samplers_.clear();
 }
 
 void TextureCache::Scavenge() {