Change image transition to avoid sync issue (#983)

Author: Mateusz-Kowalewski-Mobica

samples/extensions/dynamic_rendering/dynamic_rendering.cpp

@@ -375,6 +375,10 @@ void DynamicRendering::build_command_buffers()
 		{
 			vkb::image_layout_transition(draw_cmd_buffer,
 			                             swapchain_buffers[i].image,
+			                             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_COLOR_ATTACHMENT_OPTIMAL,
 			                             range);

samples/extensions/shader_object/shader_object.cpp

@@ -979,7 +979,7 @@ void ShaderObject::build_command_buffers()
 		// Barriers for images that are rendered to
 		vkb::image_layout_transition(draw_cmd_buffer,
 		                             output_images[current_output_format].image,
-		                             VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
+		                             VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
 		                             VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
 		                             0,
 		                             VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,