Merge pull request #16 from jchen10/image_layout

Fix Pipeline barrier test
diff --git a/external/vulkancts/modules/vulkan/memory/vktMemoryPipelineBarrierTests.cpp b/external/vulkancts/modules/vulkan/memory/vktMemoryPipelineBarrierTests.cpp
index e137b6f..467b6f8 100644
--- a/external/vulkancts/modules/vulkan/memory/vktMemoryPipelineBarrierTests.cpp
+++ b/external/vulkancts/modules/vulkan/memory/vktMemoryPipelineBarrierTests.cpp
@@ -4496,7 +4496,7 @@
 				vk::VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
 				vk::VK_ACCESS_TRANSFER_READ_BIT,
 
-				vk::VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
+				vk::VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
 				vk::VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
 
 				vk::VK_QUEUE_FAMILY_IGNORED,