[dxvk] Separated buffer renaming from allocation

src/dxvk/dxvk_buffer.cpp

@@ -47,13 +47,20 @@ namespace dxvk {
           VkMemoryPropertyFlags memoryType)
   : m_device  (device),
     m_info    (createInfo),
-    m_memFlags(memoryType) {
-    this->allocateResource();
+    m_memFlags(memoryType),
+    m_resource(allocateResource()) {
+    
   }
   
   
-  void DxvkBuffer::allocateResource() {
-    m_resource = m_device->allocBufferResource(m_info, m_memFlags);
+  void DxvkBuffer::renameResource(
+    const Rc<DxvkBufferResource>& resource) {
+    m_resource = resource;
+  }
+  
+  
+  Rc<DxvkBufferResource> DxvkBuffer::allocateResource() {
+    return m_device->allocBufferResource(m_info, m_memFlags);
   }
   
   

src/dxvk/dxvk_buffer.h

@@ -149,14 +149,22 @@ namespace dxvk {
     }
     
     /**
-     * \brief Allocates new backing resource
+     * \brief Replaces backing resource
      * 
      * Replaces the underlying buffer and implicitly marks
      * any buffer views using this resource as dirty. Do
      * not call this directly as this is called implicitly
      * by the context's \c invalidateBuffer method.
+     * \param [in] resource The new backing resource
      */
-    void allocateResource();
+    void renameResource(
+      const Rc<DxvkBufferResource>& resource);
+    
+    /**
+     * \brief Allocates new backing resource
+     * \returns The new buffer
+     */
+    Rc<DxvkBufferResource> allocateResource();
     
   private:
     

src/dxvk/dxvk_context.cpp

@@ -354,7 +354,8 @@ namespace dxvk {
   
   void DxvkContext::invalidateBuffer(const Rc<DxvkBuffer>& buffer) {
     // Allocate new backing resource
-    buffer->allocateResource();
+    buffer->renameResource(
+      buffer->allocateResource());
     
     // We also need to update all bindings that the buffer
     // may be bound to either directly or through views.