demos: Fix barrier settings for texture in cube demos

Change-Id: Ibaa3901daa7a632022b67e53dd34f79be594ded1
diff --git a/demos/cube.cpp b/demos/cube.cpp
index 9b6fe51..641289d 100644
--- a/demos/cube.cpp
+++ b/demos/cube.cpp
@@ -2088,7 +2088,7 @@
                 // Nothing in the pipeline needs to be complete to start, and don't allow fragment
                 // shader to run until layout transition completes
                 set_image_layout(textures[i].image, vk::ImageAspectFlagBits::eColor, vk::ImageLayout::ePreinitialized,
-                                 textures[i].imageLayout, vk::AccessFlagBits::eHostWrite, vk::PipelineStageFlagBits::eTopOfPipe,
+                                 textures[i].imageLayout, vk::AccessFlagBits(), vk::PipelineStageFlagBits::eTopOfPipe,
                                  vk::PipelineStageFlagBits::eFragmentShader);
                 staging_texture.image = vk::Image();
             } else if (props.optimalTilingFeatures & vk::FormatFeatureFlagBits::eSampledImage) {
@@ -2103,11 +2103,11 @@
                                       vk::MemoryPropertyFlagBits::eDeviceLocal);
 
                 set_image_layout(staging_texture.image, vk::ImageAspectFlagBits::eColor, vk::ImageLayout::ePreinitialized,
-                                 vk::ImageLayout::eTransferSrcOptimal, vk::AccessFlagBits::eHostWrite,
+                                 vk::ImageLayout::eTransferSrcOptimal, vk::AccessFlagBits(),
                                  vk::PipelineStageFlagBits::eTopOfPipe, vk::PipelineStageFlagBits::eTransfer);
 
                 set_image_layout(textures[i].image, vk::ImageAspectFlagBits::eColor, vk::ImageLayout::ePreinitialized,
-                                 vk::ImageLayout::eTransferDstOptimal, vk::AccessFlagBits::eHostWrite,
+                                 vk::ImageLayout::eTransferDstOptimal, vk::AccessFlagBits(),
                                  vk::PipelineStageFlagBits::eTopOfPipe, vk::PipelineStageFlagBits::eTransfer);
 
                 auto const subresource = vk::ImageSubresourceLayers()