From f9e0681d59adaed2f077eb94642f6dbc3acf246e Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Thu, 23 Dec 2021 22:30:10 -0500
Subject: vk_texture_cache: Use 3D scale helpers for MSAA texture scaling on
 Intel Windows drivers

Fixes a crash when scaling MSAA textures in titles such as Sonic Colors Ultimate.
---
 src/video_core/vulkan_common/vulkan_device.cpp | 9 +++++++--
 src/video_core/vulkan_common/vulkan_device.h   | 5 +++++
 2 files changed, 12 insertions(+), 2 deletions(-)

(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 9862b815b..3d78efddc 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -638,15 +638,20 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
         }
     }
 
-    if (ext_vertex_input_dynamic_state && driver_id == VK_DRIVER_ID_INTEL_PROPRIETARY_WINDOWS) {
+    const bool is_intel_windows = driver_id == VK_DRIVER_ID_INTEL_PROPRIETARY_WINDOWS;
+    if (ext_vertex_input_dynamic_state && is_intel_windows) {
         LOG_WARNING(Render_Vulkan, "Blacklisting Intel for VK_EXT_vertex_input_dynamic_state");
         ext_vertex_input_dynamic_state = false;
     }
-    if (is_float16_supported && driver_id == VK_DRIVER_ID_INTEL_PROPRIETARY_WINDOWS) {
+    if (is_float16_supported && is_intel_windows) {
         // Intel's compiler crashes when using fp16 on Astral Chain, disable it for the time being.
         LOG_WARNING(Render_Vulkan, "Blacklisting Intel proprietary from float16 math");
         is_float16_supported = false;
     }
+    if (is_intel_windows) {
+        LOG_WARNING(Render_Vulkan, "Intel proprietary drivers do not support MSAA image blits");
+        cant_blit_msaa = true;
+    }
 
     supports_d24_depth =
         IsFormatSupported(VK_FORMAT_D24_UNORM_S8_UINT,
diff --git a/src/video_core/vulkan_common/vulkan_device.h b/src/video_core/vulkan_common/vulkan_device.h
index 4c9d86aad..37d140ebd 100644
--- a/src/video_core/vulkan_common/vulkan_device.h
+++ b/src/video_core/vulkan_common/vulkan_device.h
@@ -350,6 +350,10 @@ public:
         return supports_d24_depth;
     }
 
+    bool CantBlitMSAA() const {
+        return cant_blit_msaa;
+    }
+
 private:
     /// Checks if the physical device is suitable.
     void CheckSuitability(bool requires_swapchain) const;
@@ -443,6 +447,7 @@ private:
     bool has_renderdoc{};                   ///< Has RenderDoc attached
     bool has_nsight_graphics{};             ///< Has Nsight Graphics attached
     bool supports_d24_depth{};              ///< Supports D24 depth buffers.
+    bool cant_blit_msaa{};                  ///< Does not support MSAA<->MSAA blitting.
 
     // Telemetry parameters
     std::string vendor_name;                       ///< Device's driver name.
-- 
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