From dc61b7045b7ffc3cfe46f0b71f84d5fe709de6c9 Mon Sep 17 00:00:00 2001
From: Morph <39850852+Morph1984@users.noreply.github.com>
Date: Wed, 17 Nov 2021 15:08:08 -0500
Subject: renderer_vulkan: Implement S8_UINT stencil format

It should be noted that on Windows, only nvidia gpus support this format natively as of this commit.
---
 src/video_core/vulkan_common/vulkan_device.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/video_core/vulkan_common')

diff --git a/src/video_core/vulkan_common/vulkan_device.cpp b/src/video_core/vulkan_common/vulkan_device.cpp
index 95106f88f..70c52aaac 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -21,6 +21,13 @@
 namespace Vulkan {
 namespace {
 namespace Alternatives {
+constexpr std::array STENCIL8_UINT{
+    VK_FORMAT_D16_UNORM_S8_UINT,
+    VK_FORMAT_D24_UNORM_S8_UINT,
+    VK_FORMAT_D32_SFLOAT_S8_UINT,
+    VK_FORMAT_UNDEFINED,
+};
+
 constexpr std::array DEPTH24_UNORM_STENCIL8_UINT{
     VK_FORMAT_D32_SFLOAT_S8_UINT,
     VK_FORMAT_D16_UNORM_S8_UINT,
@@ -74,6 +81,8 @@ void SetNext(void**& next, T& data) {
 
 constexpr const VkFormat* GetFormatAlternatives(VkFormat format) {
     switch (format) {
+    case VK_FORMAT_S8_UINT:
+        return Alternatives::STENCIL8_UINT.data();
     case VK_FORMAT_D24_UNORM_S8_UINT:
         return Alternatives::DEPTH24_UNORM_STENCIL8_UINT.data();
     case VK_FORMAT_D16_UNORM_S8_UINT:
@@ -145,6 +154,7 @@ std::unordered_map<VkFormat, VkFormatProperties> GetFormatProperties(vk::Physica
         VK_FORMAT_R4G4B4A4_UNORM_PACK16,
         VK_FORMAT_D32_SFLOAT,
         VK_FORMAT_D16_UNORM,
+        VK_FORMAT_S8_UINT,
         VK_FORMAT_D16_UNORM_S8_UINT,
         VK_FORMAT_D24_UNORM_S8_UINT,
         VK_FORMAT_D32_SFLOAT_S8_UINT,
-- 
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