vulkan: set ColorBuffer vulkanMode

Change-Id: Ifb456c66678513c271cb9c5ab49eb868aa3eb34f

stream-servers/vulkan/VkCommonOperations.cpp

diff --git a/stream-servers/vulkan/VkCommonOperations.cpp b/stream-servers/vulkan/VkCommonOperations.cpp
index d5dd65f..3bdbd0f 100644
--- a/stream-servers/vulkan/VkCommonOperations.cpp
+++ b/stream-servers/vulkan/VkCommonOperations.cpp
@@ -1826,6 +1826,9 @@
             colorBufferHandle, res.image, *imageCi);
     }
     res.glExported = glExported;
+    if (vulkanOnly) {
+        res.vulkanMode = VkEmulation::VulkanMode::VulkanOnly;
+    }
 
     if (exported) *exported = res.glExported;
     if (allocSize) *allocSize = res.memory.size;