From c6f8bfed904e30f7c5d890a2f0ef531eb9e298e5 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Mon, 22 Apr 2024 15:05:55 -0300
Subject: Add support for bindless textures from shader input (vertex buffer)
 on Vulkan (#6577)

* Add support for bindless textures from shader input (vertex buffer)

* Shader cache version bump

* Format whitespace

* Remove cache entries on pool removal, disable for OpenGL

* PR feedback
---
 .../Shader/DiskCache/DiskCacheGpuAccessor.cs       | 35 ++++++++++++++++++++++
 .../Shader/DiskCache/DiskCacheHostStorage.cs       |  2 +-
 2 files changed, 36 insertions(+), 1 deletion(-)

(limited to 'src/Ryujinx.Graphics.Gpu/Shader/DiskCache')

diff --git a/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs b/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs
index 681838a9..45f32e2d 100644
--- a/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs
+++ b/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs
@@ -109,6 +109,13 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
             return _oldSpecState.GraphicsState.HasConstantBufferDrawParameters;
         }
 
+        /// <inheritdoc/>
+        /// <exception cref="DiskCacheLoadException">Pool length is not available on the cache</exception>
+        public int QuerySamplerArrayLengthFromPool()
+        {
+            return QueryArrayLengthFromPool(isSampler: true);
+        }
+
         /// <inheritdoc/>
         public SamplerType QuerySamplerType(int handle, int cbufSlot)
         {
@@ -117,6 +124,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
         }
 
         /// <inheritdoc/>
+        /// <exception cref="DiskCacheLoadException">Constant buffer derived length is not available on the cache</exception>
         public int QueryTextureArrayLengthFromBuffer(int slot)
         {
             if (!_oldSpecState.TextureArrayFromBufferRegistered(_stageIndex, 0, slot))
@@ -130,6 +138,13 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
             return arrayLength;
         }
 
+        /// <inheritdoc/>
+        /// <exception cref="DiskCacheLoadException">Pool length is not available on the cache</exception>
+        public int QueryTextureArrayLengthFromPool()
+        {
+            return QueryArrayLengthFromPool(isSampler: false);
+        }
+
         /// <inheritdoc/>
         public TextureFormat QueryTextureFormat(int handle, int cbufSlot)
         {
@@ -170,6 +185,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
         }
 
         /// <inheritdoc/>
+        /// <exception cref="DiskCacheLoadException">Texture information is not available on the cache</exception>
         public void RegisterTexture(int handle, int cbufSlot)
         {
             if (!_oldSpecState.TextureRegistered(_stageIndex, handle, cbufSlot))
@@ -182,5 +198,24 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
             bool coordNormalized = _oldSpecState.GetCoordNormalized(_stageIndex, handle, cbufSlot);
             _newSpecState.RegisterTexture(_stageIndex, handle, cbufSlot, format, formatSrgb, target, coordNormalized);
         }
+
+        /// <summary>
+        /// Gets the cached texture or sampler pool capacity.
+        /// </summary>
+        /// <param name="isSampler">True to get sampler pool length, false for texture pool length</param>
+        /// <returns>Pool length</returns>
+        /// <exception cref="DiskCacheLoadException">Pool length is not available on the cache</exception>
+        private int QueryArrayLengthFromPool(bool isSampler)
+        {
+            if (!_oldSpecState.TextureArrayFromPoolRegistered(isSampler))
+            {
+                throw new DiskCacheLoadException(DiskCacheLoadResult.MissingTextureArrayLength);
+            }
+
+            int arrayLength = _oldSpecState.GetTextureArrayFromPoolLength(isSampler);
+            _newSpecState.RegisterTextureArrayLengthFromPool(isSampler, arrayLength);
+
+            return arrayLength;
+        }
     }
 }
diff --git a/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs b/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
index b6a277a2..2c19cc4b 100644
--- a/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
+++ b/src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
@@ -22,7 +22,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
         private const ushort FileFormatVersionMajor = 1;
         private const ushort FileFormatVersionMinor = 2;
         private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor;
-        private const uint CodeGenVersion = 6489;
+        private const uint CodeGenVersion = 6577;
 
         private const string SharedTocFileName = "shared.toc";
         private const string SharedDataFileName = "shared.data";
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