improved safe.

CMCore

@@ -1 +1 @@
-Subproject commit 2f93a1bb004cf0e99f51735dc2f65967a3ded1b8
+Subproject commit 74caaea5669441eb27dae3265803e352c008d065

example/common/VulkanAppFramework.h

@@ -460,6 +460,7 @@ public:
     {
         camera=wc;
         cur_time=0;
+        last_time=0;
     }
 
     const Vector2f &GetMouseCoord()const{return mouse_pos;}

src/SceneGraph/Vulkan/VKCommandBufferRender.cpp

@@ -38,13 +38,10 @@ void RenderCmdBuffer::SetFBO(Framebuffer *fb)
         clear_values[cv_count-1].depthStencil.depth = 1.0f;
         clear_values[cv_count-1].depthStencil.stencil = 0;
     }
-    else
+    else if(clear_values)
     {
-        if(clear_values)
-        {
-            hgl_free(clear_values);
-            clear_values=nullptr;
-        }
+        hgl_free(clear_values);
+        clear_values=nullptr;
     }
 
     render_area.offset.x=0;

src/SceneGraph/Vulkan/VKRenderResource.cpp

@@ -161,6 +161,8 @@ Texture2DArray *RenderResource::CreateTexture2DArray(const AnsiString &name,cons
 
     if(ta)
         Add(ta);
+    else
+        return nullptr;
 
     #ifdef _DEBUG
         DebugUtils *du=device->GetDebugUtils();

src/SceneGraph/font/FontSourceMulti.cpp

@@ -9,9 +9,13 @@ namespace hgl
             default_source=fs;
 
             if(fs)
+            {
                 fs->RefAcquire(this);
 
-            max_char_height=fs->GetCharHeight();
+                max_char_height=fs->GetCharHeight();
+            }
+            else
+                max_char_height=0;
         }
 
         FontSourceMulti::~FontSourceMulti()

src/ShaderGen/MaterialFileLoader.cpp

@@ -120,6 +120,8 @@ namespace
 
     public:
 
+        UBOParse()=default;
+
         void Clear()
         {
             hgl_zero(ubo_data);