Fixed issue with buffer view offset in VK backend

2 files changed, 6 insertions, 5 deletions

diff --git a/Graphics/GraphicsEngineVulkan/src/BufferVkImpl.cpp b/Graphics/GraphicsEngineVulkan/src/BufferVkImpl.cpp
index f31af180..ce0e8f4b 100644
--- a/Graphics/GraphicsEngineVulkan/src/BufferVkImpl.cpp
+++ b/Graphics/GraphicsEngineVulkan/src/BufferVkImpl.cpp
@@ -483,8 +483,8 @@ VulkanUtilities::BufferViewWrapper BufferVkImpl::CreateView(struct BufferViewDes
             DEV_CHECK_ERR(ViewDesc.Format.ValueType != VT_UNDEFINED, "Undefined format");
             ViewCI.format = TypeToVkFormat(ViewDesc.Format.ValueType, ViewDesc.Format.NumComponents, ViewDesc.Format.IsNormalized);
         }
-        ViewCI.offset = ViewDesc.ByteOffset;
-        ViewCI.range = ViewDesc.ByteWidth; // size in bytes of the buffer view
+        ViewCI.offset = ViewDesc.ByteOffset; // offset in bytes from the base address of the buffer
+        ViewCI.range  = ViewDesc.ByteWidth; // size in bytes of the buffer view
 
         const auto& LogicalDevice = m_pDevice->GetLogicalDevice();
         BuffView = LogicalDevice.CreateBufferView(ViewCI, ViewDesc.Name);
diff --git a/Graphics/GraphicsEngineVulkan/src/ShaderResourceCacheVk.cpp b/Graphics/GraphicsEngineVulkan/src/ShaderResourceCacheVk.cpp
index 82039178..32a1d588 100644
--- a/Graphics/GraphicsEngineVulkan/src/ShaderResourceCacheVk.cpp
+++ b/Graphics/GraphicsEngineVulkan/src/ShaderResourceCacheVk.cpp
@@ -238,7 +238,8 @@ VkDescriptorBufferInfo ShaderResourceCacheVk::Resource::GetStorageBufferDescript
     VERIFY(Type == SPIRVShaderResourceAttribs::ResourceType::StorageBuffer, "Storage buffer resource is expected");
 
     auto* pBuffViewVk = pObject.RawPtr<const BufferViewVkImpl>();
-    VERIFY_EXPR(pBuffViewVk->GetDesc().ViewType == BUFFER_VIEW_UNORDERED_ACCESS);
+    const auto& ViewDesc = pBuffViewVk->GetDesc();
+    VERIFY_EXPR(ViewDesc.ViewType == BUFFER_VIEW_UNORDERED_ACCESS);
 
     auto* pBuffVk = pBuffViewVk->GetBufferVk();
     // VK_DESCRIPTOR_TYPE_STORAGE_BUFFER or VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC descriptor type 
@@ -249,8 +250,8 @@ VkDescriptorBufferInfo ShaderResourceCacheVk::Resource::GetStorageBufferDescript
     DescrBuffInfo.buffer = pBuffVk->GetVkBuffer();
     // If descriptorType is VK_DESCRIPTOR_TYPE_STORAGE_BUFFER or VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, the offset member
     // of each element of pBufferInfo must be a multiple of VkPhysicalDeviceLimits::minStorageBufferOffsetAlignment (13.2.4)
-    DescrBuffInfo.offset = 0;
-    DescrBuffInfo.range = pBuffVk->GetDesc().uiSizeInBytes;
+    DescrBuffInfo.offset = ViewDesc.ByteOffset;
+    DescrBuffInfo.range  = ViewDesc.ByteWidth;
     return DescrBuffInfo;
 }