From ab29013c01c6527d5e4db8cd42577af6425d249e Mon Sep 17 00:00:00 2001
From: ssdfasd <2156608475@qq.com>
Date: Sat, 14 Mar 2026 14:20:57 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8DVertexBuffer/IndexBuff?=
 =?UTF-8?q?er=20SizeInBytes=E9=94=99=E8=AF=AF=E5=8F=8AFence=20Signal?=
 =?UTF-8?q?=E7=B1=BB=E5=9E=8B=E9=97=AE=E9=A2=98?=
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---
 engine/src/RHI/D3D12/D3D12Device.cpp              | 14 ++++++++------
 engine/src/RHI/D3D12/D3D12RenderContext.cpp       |  8 ++++++--
 engine/src/RHI/D3D12/D3D12StaticMeshComponent.cpp |  8 ++++++++
 3 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/engine/src/RHI/D3D12/D3D12Device.cpp b/engine/src/RHI/D3D12/D3D12Device.cpp
index 50f8b45a..cd1332e3 100644
--- a/engine/src/RHI/D3D12/D3D12Device.cpp
+++ b/engine/src/RHI/D3D12/D3D12Device.cpp
@@ -1,5 +1,7 @@
 #include "D3D12RHI.h"
+#include "D3D12Resources.h"
 #include <RHI\RHIDefines.h>
+#include <Rendering\Resources.h>
 #include <string>
 #include <windows.h>
 #include <stdio.h>
@@ -717,10 +719,10 @@ void D3D12CommandList::SetPrimitiveTopology(PrimitiveTopology topology) {
 
 void D3D12CommandList::SetVertexBuffer(uint32_t slot, IResource* buffer, uint32_t offset, uint32_t stride) {
     if (buffer) {
-        D3D12Resource* d3dBuffer = static_cast<D3D12Resource*>(buffer);
+        D3D12VertexBuffer* vb = static_cast<D3D12VertexBuffer*>(buffer);
         D3D12_VERTEX_BUFFER_VIEW vbView = {};
-        vbView.BufferLocation = d3dBuffer->GetNative()->GetGPUVirtualAddress() + offset;
-        vbView.SizeInBytes = (UINT)stride;
+        vbView.BufferLocation = vb->GetNative()->GetGPUVirtualAddress() + offset;
+        vbView.SizeInBytes = (UINT)vb->GetDesc().size;
         vbView.StrideInBytes = stride;
         m_commandList->IASetVertexBuffers(slot, 1, &vbView);
     }
@@ -728,11 +730,11 @@ void D3D12CommandList::SetVertexBuffer(uint32_t slot, IResource* buffer, uint32_
 
 void D3D12CommandList::SetIndexBuffer(IResource* buffer, uint32_t offset) {
     if (buffer) {
-        D3D12Resource* d3dBuffer = static_cast<D3D12Resource*>(buffer);
+        D3D12IndexBuffer* ib = static_cast<D3D12IndexBuffer*>(buffer);
         D3D12_INDEX_BUFFER_VIEW ibView = {};
-        ibView.BufferLocation = d3dBuffer->GetNative()->GetGPUVirtualAddress() + offset;
+        ibView.BufferLocation = ib->GetNative()->GetGPUVirtualAddress() + offset;
         ibView.Format = DXGI_FORMAT_R32_UINT;
-        ibView.SizeInBytes = 0;
+        ibView.SizeInBytes = (UINT)ib->GetDesc().size;
         m_commandList->IASetIndexBuffer(&ibView);
     }
 }
diff --git a/engine/src/RHI/D3D12/D3D12RenderContext.cpp b/engine/src/RHI/D3D12/D3D12RenderContext.cpp
index 5411f4ea..aaed20fd 100644
--- a/engine/src/RHI/D3D12/D3D12RenderContext.cpp
+++ b/engine/src/RHI/D3D12/D3D12RenderContext.cpp
@@ -101,9 +101,13 @@ void RenderContext::EndFrame() {
     queue->ExecuteCommandLists(&cmdListPtr, 1);
     EngineLog("EndFrame: after Execute");
     
+    EngineLog("EndFrame: before Signal");
     m_fenceValue++;
-    queue->Signal(m_fence, m_fenceValue);
-    EngineLog("EndFrame: before Wait, fenceValue=%llu", (unsigned long long)m_fenceValue);
+    D3D12Fence* d3d12Fence = static_cast<D3D12Fence*>(m_fence);
+    queue->Signal(d3d12Fence->GetNativeFence(), m_fenceValue);
+    EngineLog("EndFrame: after Signal");
+    
+    EngineLog("EndFrame: before Wait");
     m_fence->Wait(m_fenceValue);
     EngineLog("EndFrame: after Wait");
 }
diff --git a/engine/src/RHI/D3D12/D3D12StaticMeshComponent.cpp b/engine/src/RHI/D3D12/D3D12StaticMeshComponent.cpp
index f17a26a5..23e6707a 100644
--- a/engine/src/RHI/D3D12/D3D12StaticMeshComponent.cpp
+++ b/engine/src/RHI/D3D12/D3D12StaticMeshComponent.cpp
@@ -70,16 +70,24 @@ bool StaticMeshComponent::Initialize(ICommandList* commandList, const char* file
 void StaticMeshComponent::Render(ICommandList* commandList) {
     if (!m_vertexBuffer) return;
     
+    printf("StaticMesh::Render - before SetVertexBuffer\n");
     commandList->SetVertexBuffer(0, m_vertexBuffer, 0, sizeof(MeshVertex));
+    printf("StaticMesh::Render - after SetVertexBuffer\n");
     
     if (m_subMeshes.empty()) {
+        printf("StaticMesh::Render - before DrawInstanced\n");
         commandList->DrawInstanced(m_vertexCount, 1, 0, 0);
+        printf("StaticMesh::Render - after DrawInstanced\n");
     }
     else {
         for (auto& pair : m_subMeshes) {
             SubMesh* submesh = pair.second;
+            printf("StaticMesh::Render - before SetIndexBuffer\n");
             commandList->SetIndexBuffer(submesh->indexBuffer, 0);
+            printf("StaticMesh::Render - after SetIndexBuffer\n");
+            printf("StaticMesh::Render - before DrawIndexedInstanced\n");
             commandList->DrawIndexedInstanced(submesh->indexCount, 1, 0, 0, 0);
+            printf("StaticMesh::Render - after DrawIndexedInstanced\n");
         }
     }
 }