From d511e76a6369a2e3df50b638c9624239083fcd02 Mon Sep 17 00:00:00 2001
From: xddxd <dsdominykas@gmail.com>
Date: Thu, 16 Sep 2021 12:17:35 +0300
Subject: [PATCH] Enable the precise occlusion query feature

---
 rpcs3/Emu/RSX/VK/vkutils/device.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/rpcs3/Emu/RSX/VK/vkutils/device.cpp b/rpcs3/Emu/RSX/VK/vkutils/device.cpp
index 8be84fa1c6..a3f8906a6b 100644
--- a/rpcs3/Emu/RSX/VK/vkutils/device.cpp
+++ b/rpcs3/Emu/RSX/VK/vkutils/device.cpp
@@ -332,6 +332,11 @@ namespace vk
 			enabled_features.shaderStorageImageWriteWithoutFormat = VK_TRUE;
 		}
 
+		if (g_cfg.video.precise_zpass_count)
+		{
+			enabled_features.occlusionQueryPrecise = VK_TRUE;
+		}
+
 		// enabled_features.shaderSampledImageArrayDynamicIndexing = TRUE;  // Unused currently but will be needed soon
 		enabled_features.shaderClipDistance = VK_TRUE;
 		// enabled_features.shaderCullDistance = VK_TRUE;  // Alt notation of clip distance
@@ -406,6 +411,12 @@ namespace vk
 			enabled_features.alphaToOne = VK_FALSE;
 		}
 
+		if (!pgpu->features.occlusionQueryPrecise && enabled_features.occlusionQueryPrecise)
+		{
+			rsx_log.error("Your GPU does not support precise occlusion queries. Graphics may not render correctly.");
+			enabled_features.occlusionQueryPrecise = VK_FALSE;
+		}
+
 		VkDeviceCreateInfo device = {};
 		device.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
 		device.pNext = nullptr;