From 1df6c07f78c4c3b8c7fc679d7466f79a10c2d496 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Mon, 4 Dec 2023 16:30:19 -0300
Subject: Implement support for multi-range buffers using Vulkan sparse
 mappings (#5427)

* Pass MultiRange to BufferManager

* Implement support for multi-range buffers using Vulkan sparse mappings

* Use multi-range for remaining buffers, delete old methods

* Assume that more buffers are contiguous

* Dispose multi-range buffers after they are removed from the list

* Properly init BufferBounds for constant and storage buffers

* Do not try reading zero bytes data from an unmapped address on the shader cache + PR feedback

* Fix misaligned sparse buffer offsets

* Null check can be simplified

* PR feedback
---
 src/Ryujinx.Graphics.Gpu/Memory/BufferBounds.cs | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

(limited to 'src/Ryujinx.Graphics.Gpu/Memory/BufferBounds.cs')

diff --git a/src/Ryujinx.Graphics.Gpu/Memory/BufferBounds.cs b/src/Ryujinx.Graphics.Gpu/Memory/BufferBounds.cs
index a9ea04ce..aed3268a 100644
--- a/src/Ryujinx.Graphics.Gpu/Memory/BufferBounds.cs
+++ b/src/Ryujinx.Graphics.Gpu/Memory/BufferBounds.cs
@@ -1,4 +1,5 @@
 using Ryujinx.Graphics.Shader;
+using Ryujinx.Memory.Range;
 
 namespace Ryujinx.Graphics.Gpu.Memory
 {
@@ -8,30 +9,28 @@ namespace Ryujinx.Graphics.Gpu.Memory
     readonly struct BufferBounds
     {
         /// <summary>
-        /// Region virtual address.
+        /// Physical memory ranges where the buffer is mapped.
         /// </summary>
-        public ulong Address { get; }
+        public MultiRange Range { get; }
 
         /// <summary>
-        /// Region size in bytes.
+        /// Buffer usage flags.
         /// </summary>
-        public ulong Size { get; }
+        public BufferUsageFlags Flags { get; }
 
         /// <summary>
-        /// Buffer usage flags.
+        /// Indicates that the backing memory for the buffer does not exist.
         /// </summary>
-        public BufferUsageFlags Flags { get; }
+        public bool IsUnmapped => Range.IsUnmapped;
 
         /// <summary>
         /// Creates a new buffer region.
         /// </summary>
-        /// <param name="address">Region address</param>
-        /// <param name="size">Region size</param>
+        /// <param name="range">Physical memory ranges where the buffer is mapped</param>
         /// <param name="flags">Buffer usage flags</param>
-        public BufferBounds(ulong address, ulong size, BufferUsageFlags flags = BufferUsageFlags.None)
+        public BufferBounds(MultiRange range, BufferUsageFlags flags = BufferUsageFlags.None)
         {
-            Address = address;
-            Size = size;
+            Range = range;
             Flags = flags;
         }
     }
-- 
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