Updated samples to explicitly call drawUI (updated ImGUI version), some code cleanup, removed no-longer necessary UI setup

Refs #496

examples/bloom/bloom.cpp

@@ -509,6 +509,8 @@ public:
 				vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/computecloth/computecloth.cpp

@@ -210,6 +210,8 @@ public:
 			vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &compute.storageBuffers.output.buffer, offsets);
 			vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
@@ -692,11 +694,11 @@ public:
 
 	void draw()
 	{
-    VkSubmitInfo computeSubmitInfo = vks::initializers::submitInfo();
+	VkSubmitInfo computeSubmitInfo = vks::initializers::submitInfo();
-    computeSubmitInfo.commandBufferCount = 1;
+	computeSubmitInfo.commandBufferCount = 1;
-    computeSubmitInfo.pCommandBuffers = &compute.commandBuffers[readSet];
+	computeSubmitInfo.pCommandBuffers = &compute.commandBuffers[readSet];
 
-    VK_CHECK_RESULT( vkQueueSubmit( compute.queue, 1, &computeSubmitInfo, compute.fence ) );
+	VK_CHECK_RESULT( vkQueueSubmit( compute.queue, 1, &computeSubmitInfo, compute.fence ) );
 
 		// Submit graphics commands
 		VulkanExampleBase::prepareFrame();

examples/computecullandlod/computecullandlod.cpp

@@ -211,6 +211,8 @@ public:
 				}
 			}	
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/computenbody/computenbody.cpp

@@ -179,6 +179,8 @@ public:
 			vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &compute.storageBuffer.buffer, offsets);
 			vkCmdDraw(drawCmdBuffers[i], numParticles, 1, 0, 0);
 			
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 			
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/computeparticles/computeparticles.cpp

@@ -166,6 +166,8 @@ public:
 			vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &compute.storageBuffer.buffer, offsets);
 			vkCmdDraw(drawCmdBuffers[i], PARTICLE_COUNT, 1, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
@@ -599,11 +601,11 @@ public:
 
 	void draw()
 	{
-    VkSubmitInfo computeSubmitInfo = vks::initializers::submitInfo();
+	VkSubmitInfo computeSubmitInfo = vks::initializers::submitInfo();
-    computeSubmitInfo.commandBufferCount = 1;
+	computeSubmitInfo.commandBufferCount = 1;
-    computeSubmitInfo.pCommandBuffers = &compute.commandBuffer;
+	computeSubmitInfo.pCommandBuffers = &compute.commandBuffer;
 
-    VK_CHECK_RESULT( vkQueueSubmit( compute.queue, 1, &computeSubmitInfo, compute.fence ) );
+	VK_CHECK_RESULT( vkQueueSubmit( compute.queue, 1, &computeSubmitInfo, compute.fence ) );
 
 		// Submit graphics commands
 		VulkanExampleBase::prepareFrame();

examples/computeshader/computeshader.cpp

@@ -276,6 +276,8 @@ public:
 			vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
 			vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/conservativeraster/conservativeraster.cpp

@@ -419,6 +419,8 @@ public:
 			vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.scene, 0, 1, &descriptorSets.scene, 0, nullptr);
 			vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/debugmarker/debugmarker.cpp

@@ -633,6 +633,8 @@ public:
 			}
 
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			// End current debug marker region

examples/deferred/deferred.cpp

@@ -594,6 +594,8 @@ public:
 			vkCmdBindIndexBuffer(drawCmdBuffers[i], models.quad.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
 			vkCmdDrawIndexed(drawCmdBuffers[i], 6, 1, 0, 0, 1);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/deferredmultisampling/deferredmultisampling.cpp

@@ -558,6 +558,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, useMSAA ? pipelines.deferred : pipelines.deferredNoMSAA);
 			vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/deferredshadows/deferredshadows.cpp

@@ -525,6 +525,8 @@ public:
 				vkCmdDrawIndexed(drawCmdBuffers[i], 6, LIGHT_COUNT, 0, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/descriptorsets/descriptorsets.cpp

@@ -135,6 +135,8 @@ public:
 				vkCmdDrawIndexed(drawCmdBuffers[i], models.cube.indexCount, 1, 0, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/displacement/displacement.cpp

@@ -193,6 +193,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.solid);
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.object.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/distancefieldfonts/distancefieldfonts.cpp

@@ -261,6 +261,8 @@ public:
 				vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/dynamicuniformbuffer/dynamicuniformbuffer.cpp

@@ -112,7 +112,7 @@ public:
 
 	VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
 	{
-		title = "Vulkan Example - Dynamic uniform buffers";
+		title = "Dynamic uniform buffers";
 		camera.type = Camera::CameraType::lookat;
 		camera.setPosition(glm::vec3(0.0f, 0.0f, -30.0f));
 		camera.setRotation(glm::vec3(0.0f));
@@ -188,6 +188,8 @@ public:
 				vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/gears/gears.cpp

@@ -104,6 +104,8 @@ public:
 				gear->draw(drawCmdBuffers[i], pipelineLayout);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/geometryshader/geometryshader.cpp

@@ -169,6 +169,8 @@ public:
 				vkCmdDrawIndexed(drawCmdBuffers[i], models.object.indexCount, 1, 0, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/hdr/hdr.cpp

@@ -128,7 +128,7 @@ public:
 
 	VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
 	{
-		title = "Hight dynamic range rendering";
+		title = "High dynamic range rendering";
 		camera.type = Camera::CameraType::lookat;
 		camera.setPosition(glm::vec3(0.0f, 0.0f, -4.0f));
 		camera.setRotation(glm::vec3(0.0f, 180.0f, 0.0f));
@@ -262,6 +262,8 @@ public:
 				vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/indirectdraw/indirectdraw.cpp

@@ -241,6 +241,8 @@ public:
 			vkCmdBindIndexBuffer(drawCmdBuffers[i], models.skysphere.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.skysphere.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/inputattachments/inputattachments.cpp

@@ -88,8 +88,6 @@ public:
 	};
 	std::vector<Attachments> attachments;
 
-	VkRenderPass uiRenderPass;
-	
 	VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
 	{
 		title = "Input attachments";
@@ -124,8 +122,6 @@ public:
 		vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.attachmentWrite, nullptr);
 		vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.attachmentRead, nullptr);
 
-		vkDestroyRenderPass(device, uiRenderPass, nullptr);
-
 		scene.destroy();
 		uniformBuffers.matrices.destroy();
 		uniformBuffers.params.destroy();
@@ -329,11 +325,6 @@ public:
 		renderPassInfoCI.dependencyCount = static_cast<uint32_t>(dependencies.size());
 		renderPassInfoCI.pDependencies = dependencies.data();
 		VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassInfoCI, nullptr, &renderPass));
-
-		// Create custom overlay render pass
-		attachments[0].loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
-		attachments[0].initialLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
-		VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassInfoCI, nullptr, &uiRenderPass));
 	}
 
 	void buildCommandBuffers()
@@ -401,6 +392,8 @@ public:
 				vks::debugmarker::endRegion(drawCmdBuffers[i]);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
@@ -618,8 +611,6 @@ public:
 	// UI overlay configuration needs to be adjusted for this example (renderpass setup, attachment count, etc.)
 	virtual void OnSetupUIOverlay(vks::UIOverlayCreateInfo &createInfo)
 	{
-		createInfo.renderPass = uiRenderPass;
-		createInfo.framebuffers = frameBuffers;
 		createInfo.targetSubpass = 1;
 		createInfo.subpassCount = 2;
 		createInfo.attachmentCount = 1;

examples/instancing/instancing.cpp

@@ -197,6 +197,8 @@ public:
 			// Render instances
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.rock.indexCount, INSTANCE_COUNT, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/mesh/mesh.cpp

@@ -175,6 +175,8 @@ public:
 			// Render mesh vertex buffer using it's indices
 			vkCmdDrawIndexed(drawCmdBuffers[i], model.indices.count, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/multisampling/multisampling.cpp

@@ -83,7 +83,6 @@ public:
 	VkPipelineLayout pipelineLayout;
 	VkDescriptorSet descriptorSet;
 	VkDescriptorSetLayout descriptorSetLayout;
-	VkRenderPass uiRenderPass;
 
 	VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
 	{
@@ -101,7 +100,6 @@ public:
 		// Note : Inherited destructor cleans up resources stored in base class
 		vkDestroyPipeline(device, pipelines.MSAA, nullptr);
 		vkDestroyPipeline(device, pipelines.MSAASampleShading, nullptr);
-		vkDestroyRenderPass(device, uiRenderPass, nullptr);
 
 		vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
 		vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
@@ -339,15 +337,6 @@ public:
 		renderPassInfo.pDependencies = dependencies.data();
 
 		VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassInfo, nullptr, &renderPass));
-
-		// Create custom overlay render pass
-		colorReference.attachment = 1;
-		attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
-		attachments[1].initialLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
-		subpass.pResolveAttachments = 0;
-		subpass.pDepthStencilAttachment = 0;
-
-		VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassInfo, nullptr, &uiRenderPass));
 	}
 
 	// Frame buffer attachments must match with render pass setup, 
@@ -425,6 +414,8 @@ public:
 			vkCmdBindIndexBuffer(drawCmdBuffers[i], models.example.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.example.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
@@ -741,15 +732,7 @@ public:
 	// UI overlay configuration needs to be adjusted for this example (renderpass setup, attachment count, etc.)
 	virtual void OnSetupUIOverlay(vks::UIOverlayCreateInfo &createInfo)
 	{
-		createInfo.renderPass = uiRenderPass;
+		createInfo.rasterizationSamples = sampleCount;
-		createInfo.framebuffers = frameBuffers;
-		createInfo.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
-		createInfo.attachmentCount = 1;
-		createInfo.clearValues = {
-			{ { 1.0f, 1.0f, 1.0f, 1.0f } },
-			{ { 1.0f, 1.0f, 1.0f, 1.0f } },
-			{ { 1.0f, 0 } },
-		};
 	}
 
 	virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)

examples/multithreading/multithreading.cpp

@@ -409,6 +409,9 @@ public:
 		// Execute render commands from the secondary command buffer
 		vkCmdExecuteCommands(primaryCommandBuffer, commandBuffers.size(), commandBuffers.data());
 
+		// TODO: Can't call commands in this secondary buffer
+		// drawUI(primaryCommandBuffer);
+
 		vkCmdEndRenderPass(primaryCommandBuffer);
 
 		VK_CHECK_RESULT(vkEndCommandBuffer(primaryCommandBuffer));

examples/multiview/multiview.cpp

@@ -396,6 +396,8 @@ public:
 				vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, viewDisplayPipelines[1]);
 				vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
 
+				drawUI(drawCmdBuffers[i]);
+
 				vkCmdEndRenderPass(drawCmdBuffers[i]);
 				VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
 			}

examples/occlusionquery/occlusionquery.cpp

@@ -263,6 +263,8 @@ public:
 			vkCmdBindIndexBuffer(drawCmdBuffers[i], models.plane.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.plane.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/offscreen/offscreen.cpp

@@ -460,6 +460,8 @@ public:
 			vkCmdBindIndexBuffer(drawCmdBuffers[i], models.example.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.example.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/parallaxmapping/parallaxmapping.cpp

@@ -178,6 +178,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.quad.indexCount, 1, 0, 0, 1);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/particlefire/particlefire.cpp

@@ -211,6 +211,8 @@ public:
 			vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &particles.buffer, offsets);
 			vkCmdDraw(drawCmdBuffers[i], PARTICLE_COUNT, 1, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/pbrbasic/pbrbasic.cpp

@@ -208,6 +208,8 @@ public:
 				}
 			}
 #endif
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/pbribl/pbribl.cpp

@@ -257,6 +257,8 @@ public:
 				}
 			}
 #endif
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/pbrtexture/main.cpp

@@ -195,6 +195,8 @@ public:
 
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.object.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/pipelines/pipelines.cpp

@@ -162,6 +162,8 @@ public:
 				vkCmdDrawIndexed(drawCmdBuffers[i], models.cube.indexCount, 1, 0, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/pipelinestatistics/pipelinestatistics.cpp

@@ -219,6 +219,8 @@ public:
 			// End capture of pipeline statistics
 			vkCmdEndQuery(drawCmdBuffers[i], queryPool, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/pushconstants/pushconstants.cpp

@@ -168,6 +168,8 @@ public:
 
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.scene.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/pushdescriptors/pushdescriptors.cpp

@@ -179,6 +179,8 @@ public:
 				vkCmdDrawIndexed(drawCmdBuffers[i], models.cube.indexCount, 1, 0, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/radialblur/radialblur.cpp

@@ -436,6 +436,8 @@ public:
 				vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/raytracing/raytracing.cpp

@@ -269,6 +269,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, graphics.pipeline);
 			vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/scenerendering/scenerendering.cpp

@@ -640,6 +640,8 @@ public:
 
 			scene->render(drawCmdBuffers[i], wireframe);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/screenshot/screenshot.cpp

@@ -116,6 +116,8 @@ public:
 
 			vkCmdDrawIndexed(drawCmdBuffers[i], model.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/shadowmapping/shadowmapping.cpp

@@ -429,6 +429,8 @@ public:
 			vkCmdBindIndexBuffer(drawCmdBuffers[i], scenes[sceneIndex].indices.buffer, 0, VK_INDEX_TYPE_UINT32);
 			vkCmdDrawIndexed(drawCmdBuffers[i], scenes[sceneIndex].indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/shadowmappingcascade/shadowmappingcascade.cpp

@@ -491,6 +491,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, (filterPCF) ? pipelines.sceneShadowPCF : pipelines.sceneShadow);
 			renderScene(drawCmdBuffers[i], pipelineLayout, descriptorSet);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/shadowmappingomni/shadowmappingomni.cpp

@@ -598,6 +598,8 @@ public:
 				vkCmdDrawIndexed(drawCmdBuffers[i], models.scene.indexCount, 1, 0, 0, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/skeletalanimation/skeletalanimation.cpp

@@ -502,6 +502,8 @@ public:
 			vkCmdBindIndexBuffer(drawCmdBuffers[i], models.floor.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.floor.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/specializationconstants/specializationconstants.cpp

@@ -153,6 +153,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.textured);
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.cube.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/sphericalenvmapping/sphericalenvmapping.cpp

@@ -144,6 +144,8 @@ public:
 
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.object.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/ssao/ssao.cpp

@@ -667,6 +667,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.composition);
 			vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/stencilbuffer/stencilbuffer.cpp

@@ -125,6 +125,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.outline);
 			vkCmdDrawIndexed(drawCmdBuffers[i], model.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/subpasses/subpasses.cpp

@@ -121,8 +121,6 @@ public:
 		FrameBufferAttachment position, normal, albedo;
 	} attachments;
 
-	VkRenderPass uiRenderPass;
-	
 	VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
 	{
 		title = "Subpasses";
@@ -166,8 +164,6 @@ public:
 		vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.composition, nullptr);
 		vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.transparent, nullptr);
 
-		vkDestroyRenderPass(device, uiRenderPass, nullptr);
-
 		textures.glass.destroy();
 		models.scene.destroy();
 		models.transparent.destroy();
@@ -440,11 +436,6 @@ public:
 		renderPassInfo.pDependencies = dependencies.data();
 
 		VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassInfo, nullptr, &renderPass));
-
-		// Create custom overlay render pass
-		attachments[0].loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
-		attachments[0].initialLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
-		VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassInfo, nullptr, &uiRenderPass));
 	}
 
 	void buildCommandBuffers()
@@ -528,6 +519,8 @@ public:
 				vks::debugmarker::endRegion(drawCmdBuffers[i]);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
@@ -1079,17 +1072,7 @@ public:
 	// UI overlay configuration needs to be adjusted for this example (renderpass setup, attachment count, etc.)
 	virtual void OnSetupUIOverlay(vks::UIOverlayCreateInfo &createInfo)
 	{
-		createInfo.renderPass = uiRenderPass;
+		createInfo.targetSubpass = 2;
-		createInfo.framebuffers = frameBuffers;
-		createInfo.subpassCount = 3;
-		createInfo.attachmentCount = 4;
-		createInfo.clearValues = {
-			{ { 0.0f, 0.0f, 0.0f, 0.0f } },
-			{ { 0.0f, 0.0f, 0.0f, 0.0f } },
-			{ { 0.0f, 0.0f, 0.0f, 0.0f } },
-			{ { 0.0f, 0.0f, 0.0f, 0.0f } },
-			{ { 1.0f, 0 } },
-		};
 	}
 
 	virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)

examples/terraintessellation/terraintessellation.cpp

@@ -376,6 +376,8 @@ public:
 				vkCmdEndQuery(drawCmdBuffers[i], queryPool, 0);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/tessellation/tessellation.cpp

@@ -182,6 +182,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, wireframe ? pipelines.wire : pipelines.solid);
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.object.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/texture/texture.cpp

@@ -491,6 +491,8 @@ public:
 
 			vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/texture3d/texture3d.cpp

@@ -493,6 +493,8 @@ public:
 			vkCmdBindIndexBuffer(drawCmdBuffers[i], indexBuffer.buffer, 0, VK_INDEX_TYPE_UINT32);
 			vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/texturearray/texturearray.cpp

@@ -345,6 +345,8 @@ public:
 
 			vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, layerCount, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/texturecubemap/texturecubemap.cpp

@@ -384,6 +384,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.reflect);
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.objects[models.objectIndex].indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/texturemipmapgen/texturemipmapgen.cpp

@@ -406,6 +406,8 @@ public:
 
 			vkCmdDrawIndexed(drawCmdBuffers[i], models.tunnel.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/texturesparseresidency/texturesparseresidency.cpp

@@ -634,6 +634,8 @@ public:
 			vkCmdBindIndexBuffer(drawCmdBuffers[i], heightMap->indexBuffer.buffer, 0, VK_INDEX_TYPE_UINT32);
 			vkCmdDrawIndexed(drawCmdBuffers[i], heightMap->indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/viewportarray/viewportarray.cpp

@@ -146,6 +146,8 @@ public:
 			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
 			vkCmdDrawIndexed(drawCmdBuffers[i], scene.indexCount, 1, 0, 0, 0);
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));

examples/vulkanscene/vulkanscene.cpp

@@ -173,6 +173,8 @@ public:
 				model.draw(drawCmdBuffers[i]);
 			}
 
+			drawUI(drawCmdBuffers[i]);
+
 			vkCmdEndRenderPass(drawCmdBuffers[i]);
 
 			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));