layers: Only validate access masks if layout changes

Change-Id: I21af32fb017de15760d72d4b32d99d84c383755f

diff --git a/layers/core_validation.cpp b/layers/core_validation.cpp
index fdc6b3a..60762ff 100644 (file)
--- a/layers/core_validation.cpp
+++ b/layers/core_validation.cpp
@@ -8727,10 +8727,12 @@ static bool ValidateBarriers(const char *funcName, VkCommandBuffer cmdBuffer, ui
         }
 
         if (mem_barrier) {
-            skip_call |=
-                ValidateMaskBitsFromLayouts(dev_data, cmdBuffer, mem_barrier->srcAccessMask, mem_barrier->oldLayout, "Source");
-            skip_call |=
-                ValidateMaskBitsFromLayouts(dev_data, cmdBuffer, mem_barrier->dstAccessMask, mem_barrier->newLayout, "Dest");
+            if (mem_barrier->oldLayout != mem_barrier->newLayout) {
+                skip_call |=
+                    ValidateMaskBitsFromLayouts(dev_data, cmdBuffer, mem_barrier->srcAccessMask, mem_barrier->oldLayout, "Source");
+                skip_call |=
+                    ValidateMaskBitsFromLayouts(dev_data, cmdBuffer, mem_barrier->dstAccessMask, mem_barrier->newLayout, "Dest");
+            }
             if (mem_barrier->newLayout == VK_IMAGE_LAYOUT_UNDEFINED || mem_barrier->newLayout == VK_IMAGE_LAYOUT_PREINITIALIZED) {
                 log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__,
                         DRAWSTATE_INVALID_BARRIER, "DS", "%s: Image Layout cannot be transitioned to UNDEFINED or "