Fix PipelineResourceSignatureVkImpl::UpdateInlineConstantBuffers not updating dynamic buffer correctly.

Author: hzqst

Graphics/GraphicsEngineVulkan/include/ShaderResourceCacheVk.hpp

@@ -258,7 +258,7 @@ class ShaderResourceCacheVk : public ShaderResourceCacheBase
                             Uint32      NumConstants);
 
     // Gets the inline constant data pointer from the resource cache
-    const void* GetInlineConstantData(Uint32 DescrSetIndex, Uint32 BindingIndex) const;
+    const void* GetInlineConstantData(Uint32 DescrSetIndex, Uint32 CacheOffset) const;
 
     // Initialize inline constant buffer in the resource cache
     void InitializeInlineConstantBuffer(Uint32 DescrSetIndex,

Graphics/GraphicsEngineVulkan/src/PipelineResourceSignatureVkImpl.cpp

@@ -1324,6 +1324,10 @@ PipelineResourceSignatureInternalDataVk PipelineResourceSignatureVkImpl::GetInte
 void PipelineResourceSignatureVkImpl::UpdateInlineConstantBuffers(const ShaderResourceCacheVk& ResourceCache,
                                                                   DeviceContextVkImpl&         Ctx) const
 {
+    // Determine the cache type based on the resource cache content
+    // SRB caches use SRBCacheOffset, static caches use StaticCacheOffset
+    const ResourceCacheContentType CacheType = ResourceCache.GetContentType();
+
     Uint32 PushConstantBufferIdx = 0;
     for (Uint32 i = 0; i < m_NumInlineConstantBuffers; ++i)
     {
@@ -1347,8 +1351,11 @@ void PipelineResourceSignatureVkImpl::UpdateInlineConstantBuffers(const ShaderRe
 
         if (InlineCBAttr.pBuffer)
         {
-            // For emulated inline constants, get data from the resource cache
-            const void* pInlineConstantData = ResourceCache.GetInlineConstantData(InlineCBAttr.DescrSet, InlineCBAttr.BindingIndex);
+            // For emulated inline constants, get data from the resource cache using the correct CacheOffset
+            // Similar to D3D11 backend which uses BindPoints to locate the resource
+            const ResourceAttribs& Attr        = GetResourceAttribs(InlineCBAttr.ResIndex);
+            const Uint32           CacheOffset = Attr.CacheOffset(CacheType);
+            const void* pInlineConstantData = ResourceCache.GetInlineConstantData(Attr.DescrSet, CacheOffset);
             VERIFY_EXPR(pInlineConstantData != nullptr);
 
             // Map the buffer and copy the data

Graphics/GraphicsEngineVulkan/src/ShaderResourceCacheVk.cpp

@@ -971,17 +971,15 @@ void ShaderResourceCacheVk::SetInlineConstants(Uint32      DescrSetIndex,
     memcpy(pDstConstants + FirstConstant, pConstants, NumConstants * sizeof(Uint32));
 }
 
-const void* ShaderResourceCacheVk::GetInlineConstantData(Uint32 DescrSetIndex, Uint32 BindingIndex) const
+const void* ShaderResourceCacheVk::GetInlineConstantData(Uint32 DescrSetIndex, Uint32 CacheOffset) const
 {
     const DescriptorSet& DescrSet = GetDescriptorSet(DescrSetIndex);
 
-    VERIFY(BindingIndex < DescrSet.GetSize(), "BindingIndex out of bounds");
+    VERIFY(CacheOffset < DescrSet.GetSize(), "CacheOffset out of bounds");
 
-    const Resource& Res = DescrSet.GetResource(BindingIndex);
+    const Resource& Res = DescrSet.GetResource(CacheOffset);
     if (Res.pInlineConstantData != nullptr)
     {
-        // For now, we assume binding index matches the resource index for inline constants
-        // This may need adjustment based on actual binding layout
         return Res.pInlineConstantData;
     }