From ca5ac37cd638222e7475ac8f632b878126f3462d Mon Sep 17 00:00:00 2001
From: riperiperi <rhy3756547@hotmail.com>
Date: Fri, 16 Jul 2021 22:10:20 +0100
Subject: Flush buffers and texture data through a persistent mapped buffer.
 (#2481)

* Use persistent buffers to flush texture data

* Flush buffers via copy to persistent buffers.

* Log error when timing out, small refactoring.
---
 Ryujinx.Graphics.Texture/LayoutConverter.cs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'Ryujinx.Graphics.Texture')

diff --git a/Ryujinx.Graphics.Texture/LayoutConverter.cs b/Ryujinx.Graphics.Texture/LayoutConverter.cs
index fb25541b..1b7dad2a 100644
--- a/Ryujinx.Graphics.Texture/LayoutConverter.cs
+++ b/Ryujinx.Graphics.Texture/LayoutConverter.cs
@@ -358,7 +358,7 @@ namespace Ryujinx.Graphics.Texture
             };
         }
 
-        public static Span<byte> ConvertLinearToBlockLinear(
+        public static ReadOnlySpan<byte> ConvertLinearToBlockLinear(
             int width,
             int height,
             int depth,
@@ -499,7 +499,7 @@ namespace Ryujinx.Graphics.Texture
             return output;
         }
 
-        public static Span<byte> ConvertLinearToLinearStrided(
+        public static ReadOnlySpan<byte> ConvertLinearToLinearStrided(
             int width,
             int height,
             int blockWidth,
@@ -514,6 +514,11 @@ namespace Ryujinx.Graphics.Texture
             int inStride = BitUtils.AlignUp(w * bytesPerPixel, HostStrideAlignment);
             int lineSize = width * bytesPerPixel;
 
+            if (inStride == stride)
+            {
+                return data;
+            }
+
             Span<byte> output = new byte[h * stride];
 
             int inOffs = 0;
-- 
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