diff --git a/Hello_triangle/main.cpp b/Hello_triangle/main.cpp
index 300d915..51a798e 100644
--- a/Hello_triangle/main.cpp
+++ b/Hello_triangle/main.cpp
@@ -60,6 +60,7 @@ const std::vector<const char*> deviceExtensions = {
         VkFormat swapChainImageFormat;
         VkExtent2D swapChainExtent;
         std::vector<VkImageView> swapChainImageViews;
+        VkPipelineLayout pipelineLayout;
 
 
         struct SwapChainSupportDetails {
@@ -256,9 +257,99 @@ const std::vector<const char*> deviceExtensions = {
 
             VkPipelineShaderStageCreateInfo shaderStages[] = { vertShaderStageInfo, fragShaderStageInfo };
 
+            VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
+            vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
+            vertexInputInfo.vertexBindingDescriptionCount = 0;
+            vertexInputInfo.pVertexBindingDescriptions = nullptr;
+            vertexInputInfo.vertexAttributeDescriptionCount = 0;
+            vertexInputInfo.pVertexAttributeDescriptions = nullptr;
+
+            VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
+            inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
+            inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
+            inputAssembly.primitiveRestartEnable = VK_FALSE;
 
 
+#define STATIC_VIEWPORT_SCISSOR_PIPELINE 
 
+#if true
+            // STATIC VIEWPORT & SCISSOR
+
+
+            VkViewport viewport{};
+            viewport.x = 0.0f;
+            viewport.y = 0.0f;
+            viewport.width = (float)swapChainExtent.width;
+            viewport.height = (float)swapChainExtent.height;
+            viewport.minDepth = 0.0f;
+            viewport.maxDepth = 1.0f;
+
+            VkRect2D scissor{};
+            scissor.offset = { 0,0 };
+            scissor.extent = swapChainExtent;
+
+            VkPipelineViewportStateCreateInfo viewportState{};
+            viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
+            viewportState.viewportCount = 1;
+            viewportState.pViewports = &viewport;
+            viewportState.scissorCount = 1;
+            viewportState.pScissors = &scissor;
+
+      
+            
+#else
+            // DYNAMIC VIEWPORT & SCISSOR
+
+            std::vector<VkDynamicState> dynamicStates = {
+                VK_DYNAMIC_STATE_VIEWPORT,
+                VK_DYNAMIC_STATE_SCISSOR
+            };
+
+            VkPipelineDynamicStateCreateInfo dynamicState{};
+            dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
+            dynamicState.dynamicStateCount = static_cast<uint32_t>(dynamicStates.size());
+            dynamicState.pDynamicStates = dynamicStates.data();
+
+      
+            VkPipelineViewportStateCreateInfo viewportState{};
+            viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
+            viewportState.viewportCount = 1;
+            viewportState.scissorCount = 1;
+#endif
+
+            VkPipelineRasterizationStateCreateInfo rasterizer{};
+            rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
+            rasterizer.depthClampEnable = VK_FALSE;
+            rasterizer.rasterizerDiscardEnable = VK_FALSE;
+            rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
+            rasterizer.lineWidth = 1.0f;
+            rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
+            rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
+            rasterizer.depthBiasEnable = VK_FALSE;
+
+
+            VkPipelineMultisampleStateCreateInfo multisampling{};
+            multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
+            multisampling.sampleShadingEnable = VK_FALSE;
+            multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
+
+
+            VkPipelineColorBlendAttachmentState colorBlendAttachment{};
+            colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
+            colorBlendAttachment.blendEnable = VK_FALSE;
+
+            VkPipelineColorBlendStateCreateInfo colorBlending{};
+            colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
+            colorBlending.logicOpEnable = VK_FALSE;
+            colorBlending.attachmentCount = 1;
+            colorBlending.pAttachments = &colorBlendAttachment;
+
+            VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
+            pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
+            
+            if (vkCreatePipelineLayout(device, &pipelineLayoutInfo, nullptr, &pipelineLayout) != VK_SUCCESS) {
+                throw std::runtime_error("failed to create pipeline layout!");
+            }
 
             vkDestroyShaderModule(device, vertShaderModule, nullptr);
             vkDestroyShaderModule(device, fragShaderModule, nullptr);
@@ -592,6 +683,8 @@ const std::vector<const char*> deviceExtensions = {
 
         void cleanup(){
 
+            vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
+
             for (auto imageView : swapChainImageViews) {
                 vkDestroyImageView(device, imageView, nullptr);
             }