Viewport array example (geometry shader) (wip)

data/shaders/viewportarray/multiview.geom

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+#version 450
+
+#extension GL_ARB_viewport_array : enable
+
+layout (triangles, invocations = 2) in;
+layout (triangle_strip, max_vertices = 3) out;
+
+layout (binding = 0) uniform UBO 
+{
+	mat4 projection[2];
+	mat4 modelview[2];
+	vec4 lightPos;
+} ubo;
+
+layout (location = 0) in vec3 inNormal[];
+layout (location = 1) in vec3 inColor[];
+layout (location = 2) in vec3 inViewVec[];
+layout (location = 3) in vec3 inLightVec[];
+
+layout (location = 0) out vec3 outNormal;
+layout (location = 1) out vec3 outColor;
+layout (location = 2) out vec3 outViewVec;
+layout (location = 3) out vec3 outLightVec;
+
+void main(void)
+{	
+	for(int i = 0; i < gl_in.length(); i++)
+	{
+		outNormal = mat3(ubo.modelview[gl_InvocationID]) * inNormal[i];
+		outColor = inColor[i];
+
+		vec4 pos = gl_in[i].gl_Position;
+		vec4 worldPos = (ubo.modelview[gl_InvocationID] * pos);
+		
+		vec3 lPos = vec3(ubo.modelview[gl_InvocationID]  * ubo.lightPos);
+		outLightVec = lPos - worldPos.xyz;
+		outViewVec = -worldPos.xyz;	
+	
+		gl_Position = ubo.projection[gl_InvocationID] * worldPos;
+
+		// Set the viewport index that the vertex will be emitted to
+		gl_ViewportIndex = gl_InvocationID;
+
+		EmitVertex();
+	}
+	EndPrimitive();
+}

data/shaders/viewportarray/scene.frag

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+#version 450
+
+layout (location = 0) in vec3 inNormal;
+layout (location = 1) in vec3 inColor;
+layout (location = 2) in vec3 inViewVec;
+layout (location = 3) in vec3 inLightVec;
+
+layout (location = 0) out vec4 outColor;
+
+void main() 
+{
+	vec3 N = normalize(inNormal);
+	vec3 L = normalize(inLightVec);
+	vec3 V = normalize(inViewVec);
+	vec3 R = reflect(-L, N);
+	vec3 ambient = vec3(0.1);
+	vec3 diffuse = max(dot(N, L), 0.0) * vec3(1.0);
+	vec3 specular = pow(max(dot(R, V), 0.0), 16.0) * vec3(0.75);
+	outColor = vec4((ambient + diffuse) * inColor.rgb + specular, 1.0);		
+}

data/shaders/viewportarray/scene.vert

@@ -0,0 +1,20 @@
+#version 450
+
+layout (location = 0) in vec3 inPos;
+layout (location = 1) in vec3 inNormal;
+layout (location = 2) in vec3 inColor;
+
+layout (location = 0) out vec3 outNormal;
+layout (location = 1) out vec3 outColor;
+
+out gl_PerVertex
+{
+	vec4 gl_Position;
+};
+
+void main() 
+{
+	outColor = inColor;
+	outNormal = inNormal;
+	gl_Position = vec4(inPos.xyz, 1.0);	
+}

viewportarray/viewportarray.cpp

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+/*
+* Vulkan Example - Viewport array with single pass rendering using geometry shaders
+*
+* Copyright (C) 2017 by Sascha Willems - www.saschawillems.de
+*
+* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <vector>
+
+#define GLM_FORCE_RADIANS
+#define GLM_FORCE_DEPTH_ZERO_TO_ONE
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
+#include <vulkan/vulkan.h>
+#include "vulkanexamplebase.h"
+#include "VulkanModel.hpp"
+
+#define ENABLE_VALIDATION false
+
+class VulkanExample : public VulkanExampleBase
+{
+public:
+	// Vertex layout for the models
+	vks::VertexLayout vertexLayout = vks::VertexLayout({
+		vks::VERTEX_COMPONENT_POSITION,
+		vks::VERTEX_COMPONENT_NORMAL,
+		vks::VERTEX_COMPONENT_COLOR,
+	});
+
+	struct {
+		vks::Model object;
+	} models;
+
+	struct {
+		glm::mat4 projection;
+		glm::mat4 model;
+	} uboVS;
+
+	struct UBOGS {
+		glm::mat4 projection[2];
+		glm::mat4 modelview[2];
+		glm::vec4 lightPos = glm::vec4(-2.5f, -3.5f, 0.0f, 1.0f);
+	} uboGS;
+
+	struct {
+		vks::Buffer VS;
+		vks::Buffer GS;
+	} uniformBuffers;
+
+	VkPipeline pipeline;
+	VkPipelineLayout pipelineLayout;
+	VkDescriptorSet descriptorSet;
+	VkDescriptorSetLayout descriptorSetLayout;
+
+	VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
+	{
+		zoom = -8.0f;
+		rotation = glm::vec3(0.0f, -25.0f, 0.0f);
+		enableTextOverlay = true;
+		title = "Vulkan Example - Viewport arrays";
+		camera.type = Camera::CameraType::firstperson;
+		camera.setPerspective(90.0f, (float)(width * 0.5) / (float)height, 0.1f, 256.0f);
+		camera.setRotation(glm::vec3(0.0f, 90.0f, 0.0f));
+		camera.setTranslation(glm::vec3(9.5f, 3.2f, 0.75f));
+		camera.movementSpeed = 5.0f;
+	}
+
+	~VulkanExample()
+	{
+		vkDestroyPipeline(device, pipeline, nullptr);
+
+		vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
+		vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
+
+		models.object.destroy();
+
+		uniformBuffers.GS.destroy();
+		uniformBuffers.VS.destroy();
+	}
+
+	// Enable physical device features required for this example				
+	virtual void getEnabledFeatures()
+	{
+		// Geometry shader support is required for this example
+		if (deviceFeatures.geometryShader) {
+			enabledFeatures.geometryShader = VK_TRUE;
+		}
+		else {
+			vks::tools::exitFatal("Selected GPU does not support geometry shaders!", "Feature not supported");
+		}
+		// Multiple viewports must be supported
+		if (deviceFeatures.multiViewport) {
+			enabledFeatures.multiViewport = VK_TRUE;
+		}
+		else {
+			vks::tools::exitFatal("Selected GPU does not support multi viewports!", "Feature not supported");
+		}
+	}
+
+	void reBuildCommandBuffers()
+	{
+		if (!checkCommandBuffers())
+		{
+			destroyCommandBuffers();
+			createCommandBuffers();
+		}
+		buildCommandBuffers();
+	}
+
+	void buildCommandBuffers()
+	{
+		VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
+
+		VkClearValue clearValues[2];
+		clearValues[0].color = defaultClearColor;
+		clearValues[1].depthStencil = { 1.0f, 0 };
+
+		VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
+		renderPassBeginInfo.renderPass = renderPass;
+		renderPassBeginInfo.renderArea.offset.x = 0;
+		renderPassBeginInfo.renderArea.offset.y = 0;
+		renderPassBeginInfo.renderArea.extent.width = width;
+		renderPassBeginInfo.renderArea.extent.height = height;
+		renderPassBeginInfo.clearValueCount = 2;
+		renderPassBeginInfo.pClearValues = clearValues;
+
+		for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
+		{
+			// Set target frame buffer
+			renderPassBeginInfo.framebuffer = frameBuffers[i];
+
+			VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
+
+			vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
+
+			VkViewport viewports[2];
+			// Left
+			viewports[0] = { 0, 0, (float)width / 2.0f, (float)height, 0.0, 1.0f };
+			// Right
+			viewports[1] = { (float)width / 2.0f, 0, (float)width / 2.0f, (float)height, 0.0, 1.0f };
+
+			vkCmdSetViewport(drawCmdBuffers[i], 0, 2, viewports);
+
+			VkRect2D scissorRects[2] = {
+				vks::initializers::rect2D(width/2, height, 0, 0),
+				vks::initializers::rect2D(width/2, height, width / 2, 0),
+			};
+			vkCmdSetScissor(drawCmdBuffers[i], 0, 2, scissorRects);
+
+			vkCmdSetLineWidth(drawCmdBuffers[i], 1.0f);
+
+			vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, nullptr);
+
+			VkDeviceSize offsets[1] = { 0 };
+			vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &models.object.vertices.buffer, offsets);
+			vkCmdBindIndexBuffer(drawCmdBuffers[i], models.object.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
+
+			// Solid shading
+			vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
+			vkCmdDrawIndexed(drawCmdBuffers[i], models.object.indexCount, 1, 0, 0, 0);
+
+			vkCmdEndRenderPass(drawCmdBuffers[i]);
+
+			VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
+		}
+	}
+
+	void loadAssets()
+	{
+		models.object.loadFromFile(getAssetPath() + "models/sampleroom.dae", vertexLayout, 0.25f, vulkanDevice, queue);		
+	}
+
+	void setupDescriptorPool()
+	{
+		// Example uses two ubos
+		std::vector<VkDescriptorPoolSize> poolSizes = {
+			vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
+		};
+
+		VkDescriptorPoolCreateInfo descriptorPoolInfo =
+			vks::initializers::descriptorPoolCreateInfo(static_cast<uint32_t>(poolSizes.size()), poolSizes.data(), 1);
+
+		VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
+	}
+
+	void setupDescriptorSetLayout()
+	{
+		std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {			
+			vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_GEOMETRY_BIT, 0)	// Binding 1: Geometry shader ubo
+		};
+
+		VkDescriptorSetLayoutCreateInfo descriptorLayout =
+			vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
+
+		VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
+
+		VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
+			vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayout, 1);
+
+		VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
+	}
+
+	void setupDescriptorSet()
+	{
+		VkDescriptorSetAllocateInfo allocInfo =
+			vks::initializers::descriptorSetAllocateInfo(
+				descriptorPool,
+				&descriptorSetLayout,
+				1);
+
+		VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
+
+		std::vector<VkWriteDescriptorSet> writeDescriptorSets = {			
+			vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffers.GS.descriptor),	// Binding 0 :Geometry shader ubo
+		};
+
+		vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, nullptr);
+	}
+
+	void preparePipelines()
+	{
+		VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
+			vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE);
+
+		VkPipelineRasterizationStateCreateInfo rasterizationState =
+			vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_BACK_BIT, VK_FRONT_FACE_CLOCKWISE);
+
+		VkPipelineColorBlendAttachmentState blendAttachmentState =
+			vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE);
+
+		VkPipelineColorBlendStateCreateInfo colorBlendState =
+			vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentState);
+
+		VkPipelineDepthStencilStateCreateInfo depthStencilState =
+			vks::initializers::pipelineDepthStencilStateCreateInfo(VK_TRUE, VK_TRUE, VK_COMPARE_OP_LESS_OR_EQUAL);
+
+		// We use two viewports
+		VkPipelineViewportStateCreateInfo viewportState =
+			vks::initializers::pipelineViewportStateCreateInfo(2, 2, 0);
+
+		VkPipelineMultisampleStateCreateInfo multisampleState =
+			vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT);
+
+		std::vector<VkDynamicState> dynamicStateEnables = {
+			VK_DYNAMIC_STATE_VIEWPORT,
+			VK_DYNAMIC_STATE_SCISSOR,
+			VK_DYNAMIC_STATE_LINE_WIDTH
+		};
+		VkPipelineDynamicStateCreateInfo dynamicState =
+			vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables);
+
+
+		// Tessellation pipeline
+		// Load shaders
+		std::array<VkPipelineShaderStageCreateInfo, 3> shaderStages;
+
+		VkGraphicsPipelineCreateInfo pipelineCreateInfo =
+			vks::initializers::pipelineCreateInfo(pipelineLayout, renderPass);
+
+		// Vertex bindings an attributes
+		std::vector<VkVertexInputBindingDescription> vertexInputBindings = {
+			vks::initializers::vertexInputBindingDescription(0, vertexLayout.stride(), VK_VERTEX_INPUT_RATE_VERTEX),
+		};
+		std::vector<VkVertexInputAttributeDescription> vertexInputAttributes = {
+			vks::initializers::vertexInputAttributeDescription(0, 0, VK_FORMAT_R32G32B32_SFLOAT, 0),					// Location 0: Position			
+			vks::initializers::vertexInputAttributeDescription(0, 1, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 3),	// Location 1: Normals			
+			vks::initializers::vertexInputAttributeDescription(0, 2, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 6),	// Location 2: Color
+
+		};
+		VkPipelineVertexInputStateCreateInfo vertexInputState = vks::initializers::pipelineVertexInputStateCreateInfo();
+		vertexInputState.vertexBindingDescriptionCount = static_cast<uint32_t>(vertexInputBindings.size());
+		vertexInputState.pVertexBindingDescriptions = vertexInputBindings.data();
+		vertexInputState.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertexInputAttributes.size());
+		vertexInputState.pVertexAttributeDescriptions = vertexInputAttributes.data();
+
+		pipelineCreateInfo.pVertexInputState = &vertexInputState;
+		pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
+		pipelineCreateInfo.pRasterizationState = &rasterizationState;
+		pipelineCreateInfo.pColorBlendState = &colorBlendState;
+		pipelineCreateInfo.pMultisampleState = &multisampleState;
+		pipelineCreateInfo.pViewportState = &viewportState;
+		pipelineCreateInfo.pDepthStencilState = &depthStencilState;
+		pipelineCreateInfo.pDynamicState = &dynamicState;
+		pipelineCreateInfo.stageCount = static_cast<uint32_t>(shaderStages.size());
+		pipelineCreateInfo.pStages = shaderStages.data();
+		pipelineCreateInfo.renderPass = renderPass;
+
+		shaderStages[0] = loadShader(getAssetPath() + "shaders/viewportarray/scene.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
+		shaderStages[1] = loadShader(getAssetPath() + "shaders/viewportarray/scene.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
+		// A geometry shader is used to output geometry to multiple viewports in one single pass
+		// See the "invoctations" decorator of the layout input in the shader
+		shaderStages[2] = loadShader(getAssetPath() + "shaders/viewportarray/multiview.geom.spv", VK_SHADER_STAGE_GEOMETRY_BIT);
+		VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipeline));
+	}
+
+	// Prepare and initialize uniform buffer containing shader uniforms
+	void prepareUniformBuffers()
+	{
+		// Vertex shader uniform buffer block
+		VK_CHECK_RESULT(vulkanDevice->createBuffer(
+			VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
+			VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
+			&uniformBuffers.VS,
+			sizeof(uboVS)));
+
+		// Geometry shader uniform buffer block
+		VK_CHECK_RESULT(vulkanDevice->createBuffer(
+			VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
+			VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
+			&uniformBuffers.GS,
+			sizeof(uboGS)));
+
+		// Map persistent
+		VK_CHECK_RESULT(uniformBuffers.VS.map());
+		VK_CHECK_RESULT(uniformBuffers.GS.map());
+
+		updateUniformBuffers();
+	}
+
+	void updateUniformBuffers()
+	{
+		// Vertex shader
+		uboVS.projection = glm::perspective(glm::radians(60.0f), (float)width / (float)height, 0.1f, 256.0f);
+		uboVS.model = camera.matrices.view;
+		memcpy(uniformBuffers.VS.mapped, &uboVS, sizeof(uboVS));
+
+		// Geometry shader
+		uboGS.projection[0] = camera.matrices.perspective;
+		uboGS.projection[1] = camera.matrices.perspective;
+		// todo: offsets left/right
+		uboGS.modelview[0] = camera.matrices.view;
+		uboGS.modelview[1] = camera.matrices.view;
+		memcpy(uniformBuffers.GS.mapped, &uboGS, sizeof(uboGS));
+	}
+
+	void draw()
+	{
+		VulkanExampleBase::prepareFrame();
+
+		// Command buffer to be sumitted to the queue
+		submitInfo.commandBufferCount = 1;
+		submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
+
+		// Submit to queue
+		VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
+
+		VulkanExampleBase::submitFrame();
+	}
+
+	void prepare()
+	{
+		VulkanExampleBase::prepare();
+		loadAssets();
+		prepareUniformBuffers();
+		setupDescriptorSetLayout();
+		preparePipelines();
+		setupDescriptorPool();
+		setupDescriptorSet();
+		buildCommandBuffers();
+		prepared = true;
+	}
+
+	virtual void render()
+	{
+		if (!prepared)
+			return;
+		draw();
+	}
+
+	virtual void viewChanged()
+	{
+		updateUniformBuffers();
+	}
+
+	virtual void keyPressed(uint32_t keyCode)
+	{
+		//
+	}
+
+};
+
+VULKAN_EXAMPLE_MAIN()

viewportarray/viewportarray.vcxproj

@@ -0,0 +1,100 @@
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+    <ClCompile Include="viewportarray.cpp" />
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+  <ItemGroup>
+    <ClInclude Include="..\base\vulkandebug.h" />
+    <ClInclude Include="..\base\vulkanexamplebase.h" />
+    <ClInclude Include="..\base\vulkantools.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="..\data\shaders\viewportarray\multiview.geom" />
+    <None Include="..\data\shaders\viewportarray\scene.frag" />
+    <None Include="..\data\shaders\viewportarray\scene.vert" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

viewportarray/viewportarray.vcxproj.filters

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav</Extensions>
+    </Filter>
+    <Filter Include="Shaders">
+      <UniqueIdentifier>{8c3bf366-cd5b-4100-9524-13a0925f6143}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\base\vulkandebug.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\base\vulkanexamplebase.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\base\vulkantools.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="viewportarray.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\base\vulkandebug.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\base\vulkanexamplebase.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\base\vulkantools.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="..\data\shaders\viewportarray\multiview.geom">
+      <Filter>Shaders</Filter>
+    </None>
+    <None Include="..\data\shaders\viewportarray\scene.frag">
+      <Filter>Shaders</Filter>
+    </None>
+    <None Include="..\data\shaders\viewportarray\scene.vert">
+      <Filter>Shaders</Filter>
+    </None>
+  </ItemGroup>
+</Project>

vulkanExamples.sln

@@ -90,11 +90,11 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Base", "Base", "{09B9A54B-F
 		base\VulkanHeightmap.hpp = base\VulkanHeightmap.hpp
 		base\VulkanInitializers.hpp = base\VulkanInitializers.hpp
 		base\VulkanModel.hpp = base\VulkanModel.hpp
-		base\vulkanswapchain.hpp = base\vulkanswapchain.hpp
+		base\VulkanSwapChain.hpp = base\VulkanSwapChain.hpp
-		base\vulkantextoverlay.hpp = base\vulkantextoverlay.hpp
+		base\VulkanTextOverlay.hpp = base\VulkanTextOverlay.hpp
 		base\VulkanTexture.hpp = base\VulkanTexture.hpp
+		base\vulkantools.cpp = base\vulkantools.cpp
 		base\VulkanTools.h = base\VulkanTools.h
-		base\VulkanTools.hpp = base\VulkanTools.hpp
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "indirectdraw", "indirectdraw\indirectdraw.vcxproj", "{2BBDD10F-2C9D-4BEA-8C7B-1C510A2CE08B}"
@@ -127,6 +127,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 	ProjectSection(SolutionItems) = preProject
 		CMakeLists.txt = CMakeLists.txt
 		README.md = README.md
+		external\vulkan\vulkan.h = external\vulkan\vulkan.h
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "screenshot", "screenshot\screenshot.vcxproj", "{AD1DAD4D-A753-4A78-88E2-B4DCE15D482F}"
@@ -143,6 +144,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "pbrbasic", "pbrbasic\pbrbas
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "pbr", "pbr", "{BE290A75-7E65-4D0A-B419-774A309B6A60}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "viewportarray", "viewportarray\viewportarray.vcxproj", "{CB2ABE1F-13C6-483E-AF1A-B933BC6A0F1B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -349,6 +352,10 @@ Global
 		{92B2640A-0CC5-48EA-B34C-520BA13938D1}.Debug|x64.Build.0 = Debug|x64
 		{92B2640A-0CC5-48EA-B34C-520BA13938D1}.Release|x64.ActiveCfg = Release|x64
 		{92B2640A-0CC5-48EA-B34C-520BA13938D1}.Release|x64.Build.0 = Release|x64
+		{CB2ABE1F-13C6-483E-AF1A-B933BC6A0F1B}.Debug|x64.ActiveCfg = Debug|x64
+		{CB2ABE1F-13C6-483E-AF1A-B933BC6A0F1B}.Debug|x64.Build.0 = Debug|x64
+		{CB2ABE1F-13C6-483E-AF1A-B933BC6A0F1B}.Release|x64.ActiveCfg = Release|x64
+		{CB2ABE1F-13C6-483E-AF1A-B933BC6A0F1B}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE