Resolve READ_AFTER_WRITE and WRITE_AFTER_READ hazards in extensions sample rasterization_order_attachment_access (#1541)

Author: asuessenbach

samples/extensions/rasterization_order_attachment_access/rasterization_order_attachment_access.cpp

@@ -402,7 +402,7 @@ void RasterizationOrderAttachmentAccess::build_command_buffers()
 			// Transition: UNDEFINED -> RENDERING_LOCAL_READ_KHR (enables framebuffer fetch)
 			vkb::image_layout_transition(
 			    draw_cmd_buffers[i], swapchain_buffers[i].image,
-			    VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
+			    VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
 			    0, VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
 			    VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_RENDERING_LOCAL_READ_KHR,
 			    {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1});
@@ -500,7 +500,7 @@ void RasterizationOrderAttachmentAccess::build_command_buffers()
 			vkb::image_layout_transition(
 			    draw_cmd_buffers[i], swapchain_buffers[i].image,
 			    VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
-			    VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
+			    VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
 			    VK_IMAGE_LAYOUT_RENDERING_LOCAL_READ_KHR, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
 			    {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1});