[#92] update rtx base project

projects/rtx/resources/shaders/shader.frag

+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(location = 0) in vec3 passNormal;
+layout(location = 1) in vec2 passUV;
+
+layout(location = 0) out vec3 outColor;
+
+layout(set=0, binding=0) uniform texture2D  meshTexture;
+layout(set=0, binding=1) uniform sampler    textureSampler;
+
+void main()	{
+	outColor = texture(sampler2D(meshTexture, textureSampler), passUV).rgb;
+    //outColor = passNormal * 0.5 + 0.5;
+}
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projects/rtx/resources/shaders/shader.vert

+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(location = 0) in vec3 inPosition;
+layout(location = 1) in vec3 inNormal;
+layout(location = 2) in vec2 inUV;
+
+layout(location = 0) out vec3 passNormal;
+layout(location = 1) out vec2 passUV;
+
+layout( push_constant ) uniform constants{
+    mat4 mvp;
+};
+
+void main()	{
+	gl_Position = mvp * vec4(inPosition, 1.0);
+	passNormal  = inNormal;
+    passUV      = inUV;
+}
\ No newline at end of file

projects/rtx/src/main.cpp

+#include <iostream>
+#include <vkcv/Core.hpp>
+#include <GLFW/glfw3.h>
+#include <vkcv/camera/CameraManager.hpp>
+#include <chrono>
+#include <vkcv/asset/asset_loader.hpp>
+#include <vkcv/shader/GLSLCompiler.hpp>
+#include <vkcv/scene/Scene.hpp>
+
+int main(int argc, const char** argv) {
+	const char* applicationName = "First Scene";
+
+	uint32_t windowWidth = 800;
+	uint32_t windowHeight = 600;
+
+	vkcv::Window window = vkcv::Window::create(
+		applicationName,
+		windowWidth,
+		windowHeight,
+		true
+	);
+
+	vkcv::camera::CameraManager cameraManager(window);
+	uint32_t camIndex0 = cameraManager.addCamera(vkcv::camera::ControllerType::PILOT);
+	uint32_t camIndex1 = cameraManager.addCamera(vkcv::camera::ControllerType::TRACKBALL);
+	
+	cameraManager.getCamera(camIndex0).setPosition(glm::vec3(-8, 1, -0.5));
+	cameraManager.getCamera(camIndex0).setNearFar(0.1f, 30.0f);
+	
+	cameraManager.getCamera(camIndex1).setNearFar(0.1f, 30.0f);
+
+	vkcv::Core core = vkcv::Core::create(
+		window,
+		applicationName,
+		VK_MAKE_VERSION(0, 0, 1),
+		{ vk::QueueFlagBits::eGraphics ,vk::QueueFlagBits::eCompute , vk::QueueFlagBits::eTransfer },
+		{},
+		{ "VK_KHR_swapchain" }
+	);
+	
+	vkcv::scene::Scene scene = vkcv::scene::Scene::load(core, std::filesystem::path(
+			argc > 1 ? argv[1] : "resources/Sponza/Sponza.gltf"
+	));
+
+	const vkcv::AttachmentDescription present_color_attachment(
+		vkcv::AttachmentOperation::STORE,
+		vkcv::AttachmentOperation::CLEAR,
+		core.getSwapchain().getFormat()
+	);
+
+	const vkcv::AttachmentDescription depth_attachment(
+		vkcv::AttachmentOperation::STORE,
+		vkcv::AttachmentOperation::CLEAR,
+		vk::Format::eD32Sfloat
+	);
+
+	vkcv::PassConfig scenePassDefinition({ present_color_attachment, depth_attachment });
+	vkcv::PassHandle scenePass = core.createPass(scenePassDefinition);
+
+	if (!scenePass) {
+		std::cout << "Error. Could not create renderpass. Exiting." << std::endl;
+		return EXIT_FAILURE;
+	}
+
+	vkcv::ShaderProgram sceneShaderProgram;
+	vkcv::shader::GLSLCompiler compiler;
+	
+	compiler.compile(vkcv::ShaderStage::VERTEX, std::filesystem::path("resources/shaders/shader.vert"),
+					 [&sceneShaderProgram](vkcv::ShaderStage shaderStage, const std::filesystem::path& path) {
+		sceneShaderProgram.addShader(shaderStage, path);
+	});
+	
+	compiler.compile(vkcv::ShaderStage::FRAGMENT, std::filesystem::path("resources/shaders/shader.frag"),
+					 [&sceneShaderProgram](vkcv::ShaderStage shaderStage, const std::filesystem::path& path) {
+		sceneShaderProgram.addShader(shaderStage, path);
+	});
+
+	const std::vector<vkcv::VertexAttachment> vertexAttachments = sceneShaderProgram.getVertexAttachments();
+	std::vector<vkcv::VertexBinding> bindings;
+	for (size_t i = 0; i < vertexAttachments.size(); i++) {
+		bindings.push_back(vkcv::VertexBinding(i, { vertexAttachments[i] }));
+	}
+
+	const vkcv::VertexLayout sceneLayout(bindings);
+	
+	const auto& material0 = scene.getMaterial(0);
+
+	const vkcv::PipelineConfig scenePipelineDefsinition{
+		sceneShaderProgram,
+		UINT32_MAX,
+		UINT32_MAX,
+		scenePass,
+		{sceneLayout},
+		{ core.getDescriptorSet(material0.getDescriptorSet()).layout },
+		true };
+	vkcv::PipelineHandle scenePipeline = core.createGraphicsPipeline(scenePipelineDefsinition);
+	
+	if (!scenePipeline) {
+		std::cout << "Error. Could not create graphics pipeline. Exiting." << std::endl;
+		return EXIT_FAILURE;
+	}
+
+	vkcv::ImageHandle depthBuffer = core.createImage(vk::Format::eD32Sfloat, windowWidth, windowHeight).getHandle();
+
+	const vkcv::ImageHandle swapchainInput = vkcv::ImageHandle::createSwapchainImageHandle();
+	
+	auto start = std::chrono::system_clock::now();
+	while (window.isWindowOpen()) {
+        vkcv::Window::pollEvents();
+		
+		if(window.getHeight() == 0 || window.getWidth() == 0)
+			continue;
+		
+		uint32_t swapchainWidth, swapchainHeight;
+		if (!core.beginFrame(swapchainWidth, swapchainHeight)) {
+			continue;
+		}
+		
+		if ((swapchainWidth != windowWidth) || ((swapchainHeight != windowHeight))) {
+			depthBuffer = core.createImage(vk::Format::eD32Sfloat, swapchainWidth, swapchainHeight).getHandle();
+			
+			windowWidth = swapchainWidth;
+			windowHeight = swapchainHeight;
+		}
+  
+		auto end = std::chrono::system_clock::now();
+		auto deltatime = std::chrono::duration_cast<std::chrono::microseconds>(end - start);
+		
+		start = end;
+		cameraManager.update(0.000001 * static_cast<double>(deltatime.count()));
+
+		const std::vector<vkcv::ImageHandle> renderTargets = { swapchainInput, depthBuffer };
+		auto cmdStream = core.createCommandStream(vkcv::QueueType::Graphics);
+
+		auto recordMesh = [](const glm::mat4& MVP, const glm::mat4& M,
+							 vkcv::PushConstants &pushConstants,
+							 vkcv::DrawcallInfo& drawcallInfo) {
+			pushConstants.appendDrawcall(MVP);
+		};
+		
+		scene.recordDrawcalls(cmdStream,
+							  cameraManager.getActiveCamera(),
+							  scenePass,
+							  scenePipeline,
+							  sizeof(glm::mat4),
+							  recordMesh,
+							  renderTargets);
+		
+		core.prepareSwapchainImageForPresent(cmdStream);
+		core.submitCommandStream(cmdStream);
+		core.endFrame();
+	}
+	
+	return 0;
+}