Got the triangle working! It only took 10 hours.

vk_initializers.cpp

@@ -156,3 +156,28 @@ VkRenderingInfo vkinit::rendering_info(VkExtent2D renderExtent, VkRenderingAttac
       .pStencilAttachment = nullptr,
     };
 }
+
+
+VkPipelineShaderStageCreateInfo vkinit::pipeline_shader_stage_create_info(VkShaderStageFlagBits stage, VkShaderModule shader, const char* entry) {
+  return {
+    .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
+    .stage = stage,
+    .module = shader,
+    .pName = entry,
+  };
+}
+
+
+VkPipelineLayoutCreateInfo vkinit::pipeline_layout_create_info()
+{
+  return {
+    .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
+    .pNext = nullptr,
+    .flags = 0,
+    .setLayoutCount = 0,
+    .pSetLayouts = nullptr,
+    .pushConstantRangeCount = 0,
+    .pPushConstantRanges = nullptr,
+  };
+}
+