[Vulkan] Better handling of device lost events (present fatal error dialog)

src/xenia/gpu/vulkan/texture_cache.cc

@@ -314,8 +314,7 @@ TextureCache::Texture* TextureCache::AllocateTexture(
   VkResult status = vmaCreateImage(mem_allocator_, &image_info, &vma_reqs,
                                    &image, &alloc, &vma_info);
   if (status != VK_SUCCESS) {
-    // Crap.
-    assert_always();
+    // Allocation failed.
     return nullptr;
   }
 
@@ -332,10 +331,12 @@ TextureCache::Texture* TextureCache::AllocateTexture(
 }
 
 bool TextureCache::FreeTexture(Texture* texture) {
-  if (texture->in_flight_fence &&
-      vkGetFenceStatus(*device_, texture->in_flight_fence) != VK_SUCCESS) {
-    // Texture still in flight.
-    return false;
+  if (texture->in_flight_fence) {
+    VkResult status = vkGetFenceStatus(*device_, texture->in_flight_fence);
+    if (status != VK_SUCCESS && status != VK_ERROR_DEVICE_LOST) {
+      // Texture still in flight.
+      return false;
+    }
   }
 
   if (texture->framebuffer) {
@@ -1421,7 +1422,6 @@ bool TextureCache::SetupTextureBinding(VkCommandBuffer command_buffer,
 
   auto texture = Demand(texture_info, command_buffer, completion_fence);
   auto sampler = Demand(sampler_info);
-  // assert_true(texture != nullptr && sampler != nullptr);
   if (texture == nullptr || sampler == nullptr) {
     return false;
   }

src/xenia/gpu/vulkan/vulkan_command_processor.cc

@@ -537,8 +537,6 @@ void VulkanCommandProcessor::PerformSwap(uint32_t frontbuffer_ptr,
     submit_info.pSignalSemaphores = nullptr;
 
     status = vkQueueSubmit(queue_, 1, &submit_info, current_batch_fence_);
-    CheckResult(status, "vkQueueSubmit");
-
     if (device_->is_renderdoc_attached() && capturing_) {
       device_->EndRenderDocFrameCapture();
       capturing_ = false;

src/xenia/gpu/vulkan/vulkan_graphics_system.cc

@@ -260,8 +260,15 @@ void VulkanGraphicsSystem::Swap(xe::ui::UIEvent* e) {
   if (!command_processor_) {
     return;
   }
+
   // Check for pending swap.
   auto& swap_state = command_processor_->swap_state();
+  if (display_context_->WasLost()) {
+    // We're crashing. Cheese it.
+    swap_state.pending = false;
+    return;
+  }
+
   {
     std::lock_guard<std::mutex> lock(swap_state.mutex);
     if (!swap_state.pending) {