From 065c4e520d1c8d9fc7de2097839976f9934ef8d0 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sun, 15 Jan 2023 19:12:52 -0300
Subject: [PATCH] Specify image view usage flags on Vulkan (#4283)

* Specify image view usage flags on Vulkan

* PR feedback
---
 Ryujinx.Graphics.Vulkan/TextureStorage.cs | 37 ++++++++++++++---------
 Ryujinx.Graphics.Vulkan/TextureView.cs    | 11 ++++---
 2 files changed, 28 insertions(+), 20 deletions(-)

diff --git a/Ryujinx.Graphics.Vulkan/TextureStorage.cs b/Ryujinx.Graphics.Vulkan/TextureStorage.cs
index 28fabb4f..92209997 100644
--- a/Ryujinx.Graphics.Vulkan/TextureStorage.cs
+++ b/Ryujinx.Graphics.Vulkan/TextureStorage.cs
@@ -79,21 +79,7 @@ namespace Ryujinx.Graphics.Vulkan
 
             var sampleCountFlags = ConvertToSampleCountFlags(gd.Capabilities.SupportedSampleCounts, (uint)info.Samples);
 
-            var usage = DefaultUsageFlags;
-
-            if (info.Format.IsDepthOrStencil())
-            {
-                usage |= ImageUsageFlags.DepthStencilAttachmentBit;
-            }
-            else if (info.Format.IsRtColorCompatible())
-            {
-                usage |= ImageUsageFlags.ColorAttachmentBit;
-            }
-
-            if (info.Format.IsImageCompatible())
-            {
-                usage |= ImageUsageFlags.StorageBit;
-            }
+            var usage = GetImageUsageFromFormat(info.Format);
 
             var flags = ImageCreateFlags.CreateMutableFormatBit;
 
@@ -306,6 +292,27 @@ namespace Ryujinx.Graphics.Vulkan
             }
         }
 
+        public static ImageUsageFlags GetImageUsageFromFormat(GAL.Format format)
+        {
+            var usage = DefaultUsageFlags;
+
+            if (format.IsDepthOrStencil())
+            {
+                usage |= ImageUsageFlags.DepthStencilAttachmentBit;
+            }
+            else if (format.IsRtColorCompatible())
+            {
+                usage |= ImageUsageFlags.ColorAttachmentBit;
+            }
+
+            if (format.IsImageCompatible())
+            {
+                usage |= ImageUsageFlags.StorageBit;
+            }
+
+            return usage;
+        }
+
         public static SampleCountFlags ConvertToSampleCountFlags(SampleCountFlags supportedSampleCounts, uint samples)
         {
             if (samples == 0 || samples > (uint)SampleCountFlags.Count64Bit)
diff --git a/Ryujinx.Graphics.Vulkan/TextureView.cs b/Ryujinx.Graphics.Vulkan/TextureView.cs
index a9e1ed36..67f20721 100644
--- a/Ryujinx.Graphics.Vulkan/TextureView.cs
+++ b/Ryujinx.Graphics.Vulkan/TextureView.cs
@@ -54,6 +54,7 @@ namespace Ryujinx.Graphics.Vulkan
             gd.Textures.Add(this);
 
             var format = _gd.FormatCapabilities.ConvertToVkFormat(info.Format);
+            var usage = TextureStorage.GetImageUsageFromFormat(info.Format);
             var levels = (uint)info.Levels;
             var layers = (uint)info.GetLayers();
 
@@ -94,7 +95,7 @@ namespace Ryujinx.Graphics.Vulkan
             var subresourceRange = new ImageSubresourceRange(aspectFlags, (uint)firstLevel, levels, (uint)firstLayer, layers);
             var subresourceRangeDepth = new ImageSubresourceRange(aspectFlagsDepth, (uint)firstLevel, levels, (uint)firstLayer, layers);
 
-            unsafe Auto<DisposableImageView> CreateImageView(ComponentMapping cm, ImageSubresourceRange sr, ImageViewType viewType, ImageUsageFlags usageFlags = 0)
+            unsafe Auto<DisposableImageView> CreateImageView(ComponentMapping cm, ImageSubresourceRange sr, ImageViewType viewType, ImageUsageFlags usageFlags)
             {
                 var usage = new ImageViewUsageCreateInfo()
                 {
@@ -110,14 +111,14 @@ namespace Ryujinx.Graphics.Vulkan
                     Format = format,
                     Components = cm,
                     SubresourceRange = sr,
-                    PNext = usageFlags == 0 ? null : &usage
+                    PNext = &usage
                 };
 
                 gd.Api.CreateImageView(device, imageCreateInfo, null, out var imageView).ThrowOnError();
                 return new Auto<DisposableImageView>(new DisposableImageView(gd.Api, device, imageView), null, storage.GetImage());
             }
 
-            _imageView = CreateImageView(componentMapping, subresourceRange, type);
+            _imageView = CreateImageView(componentMapping, subresourceRange, type, ImageUsageFlags.SampledBit);
 
             // Framebuffer attachments and storage images requires a identity component mapping.
             var identityComponentMapping = new ComponentMapping(
@@ -126,7 +127,7 @@ namespace Ryujinx.Graphics.Vulkan
                 ComponentSwizzle.B,
                 ComponentSwizzle.A);
 
-            _imageViewIdentity = CreateImageView(identityComponentMapping, subresourceRangeDepth, type);
+            _imageViewIdentity = CreateImageView(identityComponentMapping, subresourceRangeDepth, type, usage);
 
             // Framebuffer attachments also require 3D textures to be bound as 2D array.
             if (info.Target == Target.Texture3D)
@@ -144,7 +145,7 @@ namespace Ryujinx.Graphics.Vulkan
                 {
                     subresourceRange = new ImageSubresourceRange(aspectFlags, (uint)firstLevel, levels, (uint)firstLayer, (uint)info.Depth);
 
-                    _imageView2dArray = CreateImageView(identityComponentMapping, subresourceRange, ImageViewType.Type2DArray);
+                    _imageView2dArray = CreateImageView(identityComponentMapping, subresourceRange, ImageViewType.Type2DArray, usage);
                 }
             }