From b748806ad88d658e892dc5c6ef66a2ebcf453f15 Mon Sep 17 00:00:00 2001 From: ink-soul Date: Thu, 1 Jun 2023 09:32:07 +0800 Subject: [PATCH] fix file open dialog broken --- .../GUIFunction.cpp | 68 + .../render.cpp | 1674 +++++++++++++++++ src/render/GUIFunction.cpp | 12 + src/render/GUIFunction.h | 1 + src/render/render.cpp | 4 +- 5 files changed, 1758 insertions(+), 1 deletion(-) create mode 100644 enc_temp_folder/807fde3af9bee5f15fd89631b7f414c/GUIFunction.cpp create mode 100644 enc_temp_folder/b77599a76dd1293b893934e2c8a2df13/render.cpp diff --git a/enc_temp_folder/807fde3af9bee5f15fd89631b7f414c/GUIFunction.cpp b/enc_temp_folder/807fde3af9bee5f15fd89631b7f414c/GUIFunction.cpp new file mode 100644 index 0000000..2887964 --- /dev/null +++ b/enc_temp_folder/807fde3af9bee5f15fd89631b7f414c/GUIFunction.cpp @@ -0,0 +1,68 @@ + +#include "GUIFunction.h" + + +// win32 api IFileOpenDialog + + +// TO DO: rewrite this function to bool and get file path through public value +bool GUIFunction::openFileFolderDialog() +{ + //initialize COM lib + + HRESULT hResult = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE); + + if (SUCCEEDED(hResult)) + { + IFileOpenDialog* pFileOpen = nullptr; + + hResult = CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_ALL, IID_IFileOpenDialog, reinterpret_cast(&pFileOpen)); + + DWORD fileFormatFlag; + hResult = pFileOpen->GetOptions(&fileFormatFlag); + hResult = pFileOpen->SetOptions(fileFormatFlag | FOS_FORCEFILESYSTEM); + + COMDLG_FILTERSPEC fileType[] = + { + {L"gltf model files",L"*.gltf*"}, + {L"gltf model files",L"*.GLTF*"}, + + }; + hResult = pFileOpen->SetFileTypes(ARRAYSIZE(fileType), fileType); + hResult = pFileOpen->SetFileTypeIndex(0); + if (SUCCEEDED(hResult)) + { + // Show the Open dialog box. + hResult = pFileOpen->Show(NULL); + + // Get the file name from the dialog box. + if (SUCCEEDED(hResult)) + { + IShellItem* pItem; + hResult = pFileOpen->GetResult(&pItem); + if (SUCCEEDED(hResult)) + { + PWSTR pszFilePath; + hResult = pItem->GetDisplayName(SIGDN_FILESYSPATH, &pszFilePath); + filePath = pszFilePath; + // Display the file name to the user. + if (SUCCEEDED(hResult)) + { + MessageBoxW(NULL, pszFilePath, L"File Path", MB_OK); + CoTaskMemFree(pszFilePath); + + } + pItem->Release(); + } + return true; + } + pFileOpen->Release(); + return false; + } + + CoUninitialize(); + return false; + } + return false; + +}; \ No newline at end of file diff --git a/enc_temp_folder/b77599a76dd1293b893934e2c8a2df13/render.cpp b/enc_temp_folder/b77599a76dd1293b893934e2c8a2df13/render.cpp new file mode 100644 index 0000000..f7dac2b --- /dev/null +++ b/enc_temp_folder/b77599a76dd1293b893934e2c8a2df13/render.cpp @@ -0,0 +1,1674 @@ + +/* +* Vulkan Example - glTF scene loading and rendering +* +* Copyright (C) 2020-2022 by Sascha Willems - www.saschawillems.de +* +* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT) +*/ +/* + * Shows how to load and display a simple scene from a glTF file + * Note that this isn't a complete glTF loader and only basic functions are shown here + * This means no complex materials, no animations, no skins, etc. + * For details on how glTF 2.0 works, see the official spec at https://github.com/KhronosGroup/glTF/tree/master/specification/2.0 + * + * Other samples will load models using a dedicated model loader with more features (see base/VulkanglTFModel.hpp) + * + * If you are looking for a complete glTF implementation, check out https://github.com/SaschaWillems/Vulkan-glTF-PBR/ + */ + +#ifndef TINYGLTF_IMPLEMENTATION +#define TINYGLTF_IMPLEMENTATION +#endif +#ifndef STB_IMAGE_IMPLEMENTATION +#define STB_IMAGE_IMPLEMENTATION +#endif + +#ifndef TINYGLTF_NO_STB_IMAGE_WRITE +#define TINYGLTF_NO_STB_IMAGE_WRITE +#endif + + +#include "render.h" +#include "GUIFunction.h" + + + + VulkanExample::VulkanExample(): + VulkanExampleBase(ENABLE_VALIDATION) + { + title = "render"; + camera.type = Camera::CameraType::lookat; + camera.flipY = true; + camera.setPosition(glm::vec3(0.0f, -0.1f, -1.0f)); + camera.setRotation(glm::vec3(0.0f, 45.0f, 0.0f)); + camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 256.0f); + } + + void VulkanExample::getEnabledFeatures() + { + // Fill mode non solid is required for wireframe display + if (deviceFeatures.fillModeNonSolid) { + enabledFeatures.fillModeNonSolid = VK_TRUE; + }; + } + + void VulkanExample::setupFrameBuffer() + { + VulkanExampleBase::setupFrameBuffer(); + if (pbrFrameBuffer.bCreate && (pbrFrameBuffer.fbo.width != width || pbrFrameBuffer.fbo.height != height)) + { + pbrFrameBuffer.color.destroy(device); + pbrFrameBuffer.depth.destroy(device); + pbrFrameBuffer.fbo.destroy(device); + vkDestroySampler(device, colorSampler, nullptr); + } + + //Create image color attachment + pbrFrameBuffer.fbo.setSize(width, height); + VkFormat attDepthFormat; + VkBool32 validDepthFormat = vks::tools::getSupportedDepthFormat(physicalDevice, &attDepthFormat); + assert(validDepthFormat); + + createAttachment(VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, &pbrFrameBuffer.color, width, height); + createAttachment(attDepthFormat, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, &pbrFrameBuffer.depth, width, height); + { + std::array attachs = {}; + for (uint32_t i = 0; i < static_cast(attachs.size()); ++i) + { + attachs[i].samples = VK_SAMPLE_COUNT_1_BIT; + attachs[i].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; + attachs[i].storeOp = VK_ATTACHMENT_STORE_OP_STORE; + attachs[i].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attachs[i].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attachs[i].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + attachs[i].finalLayout = i == 1 ? VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL : VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + } + attachs[0].format = pbrFrameBuffer.color.format; + attachs[1].format = pbrFrameBuffer.depth.format; + + VkAttachmentReference colorReference = {}; + colorReference.attachment = 0; + colorReference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + + VkAttachmentReference depthReference = {}; + depthReference.attachment = 1; + depthReference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL; + + VkSubpassDescription subpass = {}; + subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; + subpass.pColorAttachments = &colorReference; + subpass.colorAttachmentCount = 1; + subpass.pDepthStencilAttachment = &depthReference; + + std::array dependencies; + //To test src 0 + dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL; + dependencies[0].dstSubpass = 0; + dependencies[0].srcStageMask = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT; + dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependencies[0].srcAccessMask = VK_ACCESS_SHADER_READ_BIT; + dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + dependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT; + + dependencies[1].srcSubpass = 0; + dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL; + dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependencies[1].dstStageMask = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT; + dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + dependencies[1].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + dependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT; + + VkRenderPassCreateInfo renderPassCI = {}; + renderPassCI.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; + renderPassCI.pAttachments = attachs.data(); + renderPassCI.attachmentCount = static_cast(attachs.size()); + renderPassCI.pSubpasses = &subpass; + renderPassCI.subpassCount = 1; + renderPassCI.pDependencies = dependencies.data(); + renderPassCI.dependencyCount = 2; + VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassCI, nullptr, &pbrFrameBuffer.fbo.renderPass)); + + //Create FBO + VkImageView attachments[2] = { pbrFrameBuffer.color.imageView, pbrFrameBuffer.depth.imageView }; + VkFramebufferCreateInfo fbufCreateInfo = vks::initializers::framebufferCreateInfo(); + fbufCreateInfo.renderPass = pbrFrameBuffer.fbo.renderPass; + fbufCreateInfo.pAttachments = attachments; + fbufCreateInfo.attachmentCount = 2; + fbufCreateInfo.width = pbrFrameBuffer.fbo.width; + fbufCreateInfo.height = pbrFrameBuffer.fbo.height; + fbufCreateInfo.layers = 1; + VK_CHECK_RESULT(vkCreateFramebuffer(device, &fbufCreateInfo, nullptr, &pbrFrameBuffer.fbo.frameBuffer)); + } + + //Create Image sampler + VkSamplerCreateInfo samplerCI = vks::initializers::samplerCreateInfo(); + samplerCI.magFilter = VK_FILTER_NEAREST; + samplerCI.minFilter = VK_FILTER_NEAREST; + samplerCI.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + samplerCI.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + //samplerCI.mipLodBias = 0.0f; + //samplerCI.maxAnisotropy = 1.0f; + samplerCI.minLod = 0.0f; + samplerCI.maxLod = 1.0f; + samplerCI.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE; + VK_CHECK_RESULT(vkCreateSampler(device, &samplerCI, nullptr, &colorSampler)); + + if (tonemappingDescriptorSet != VK_NULL_HANDLE) //Bad logic + { + auto imageInfo = vks::initializers::descriptorImageInfo(colorSampler, pbrFrameBuffer.color.imageView, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL); + VkWriteDescriptorSet writeDescriptorSet = vks::initializers::writeDescriptorSet(tonemappingDescriptorSet, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 0, &imageInfo); + vkUpdateDescriptorSets(device, 1, &writeDescriptorSet, 0, nullptr); + } + pbrFrameBuffer.bCreate = true; + } + + void VulkanExample::buildCommandBuffers() + { + VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo(); + + VkClearValue clearValues[2]; + clearValues[0].color = defaultClearColor; + clearValues[0].color = { { 0.25f, 0.25f, 0.25f, 1.0f } }; + clearValues[1].depthStencil = { 1.0f, 0 }; + + VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo(); + renderPassBeginInfo.renderPass = pbrFrameBuffer.fbo.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; + + const VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f); + const VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0); + + for (int32_t i = 0; i < drawCmdBuffers.size(); ++i) + { + renderPassBeginInfo.framebuffer = pbrFrameBuffer.fbo.frameBuffer; + VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo)); + vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE); + vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport); + vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor); + // Bind scene matrices descriptor to set 0 + vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.pbrLayout, 0, 1, &descriptorSet, 0, nullptr); + vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.pbrLayout, 6, 1, &skinDescriptorSet, 0, nullptr); + vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, wireframe ? pipelines.wireframe : pipelines.solid); + glTFModel.draw(drawCmdBuffers[i], pipelineLayouts.pbrLayout,false); + vkCmdEndRenderPass(drawCmdBuffers[i]); + + { + VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo(); + renderPassBeginInfo.renderPass = renderPass; + renderPassBeginInfo.framebuffer = VulkanExampleBase::frameBuffers[i]; + renderPassBeginInfo.renderArea.extent.width = width; + renderPassBeginInfo.renderArea.extent.height = height; + renderPassBeginInfo.clearValueCount = 2; + renderPassBeginInfo.pClearValues = clearValues; + + vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE); + vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport); + vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor); + vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.tonemappingLayout, 0, 1, &tonemappingDescriptorSet, 0, NULL); + vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.toneMapping); + vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0); + drawUI(drawCmdBuffers[i]); + vkCmdEndRenderPass(drawCmdBuffers[i]); + } + VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i])); + } + } + + void VulkanExample::loadglTFFile(std::string filename, VulkanglTFModel& model, bool bSkyboxFlag = false) + { + tinygltf::Model glTFInput; + tinygltf::TinyGLTF gltfContext; + std::string error, warning; + + this->device = device; + +#if defined(__ANDROID__) + // On Android all assets are packed with the apk in a compressed form, so we need to open them using the asset manager + // We let tinygltf handle this, by passing the asset manager of our app + tinygltf::asset_manager = androidApp->activity->assetManager; +#endif + bool fileLoaded = gltfContext.LoadASCIIFromFile(&glTFInput, &error, &warning, filename); + + // Pass some Vulkan resources required for setup and rendering to the glTF model loading class + model.vulkanDevice = vulkanDevice; + model.copyQueue = queue; + + std::vector indexBuffer; + std::vector vertexBuffer; + + if (fileLoaded) { + model.nodeCount = static_cast(glTFInput.nodes.size()); + model.loadImages(glTFInput); + model.loadMaterials(glTFInput); + model.loadTextures(glTFInput); + const tinygltf::Scene& scene = glTFInput.scenes[0]; + for (size_t i = 0; i < scene.nodes.size(); i++) { + const tinygltf::Node node = glTFInput.nodes[scene.nodes[i]]; + model.loadNode(node, glTFInput, nullptr, scene.nodes[i], indexBuffer, vertexBuffer); + } + model.loadAnimations(glTFInput); + } + else { + vks::tools::exitFatal("Could not open the glTF file.\n\nThe file is part of the additional asset pack.\n\nRun \"download_assets.py\" in the repository root to download the latest version.", -1); + return; + } + + // Create and upload vertex and index buffer + // We will be using one single vertex buffer and one single index buffer for the whole glTF scene + // Primitives (of the glTF model) will then index into these using index offsets + + size_t vertexBufferSize = vertexBuffer.size() * sizeof(VulkanglTFModel::Vertex); + size_t indexBufferSize = indexBuffer.size() * sizeof(uint32_t); + model.indices.count = static_cast(indexBuffer.size()); + + struct StagingBuffer { + VkBuffer buffer; + VkDeviceMemory memory; + } vertexStaging, indexStaging; + + // Create host visible staging buffers (source) + VK_CHECK_RESULT(vulkanDevice->createBuffer( + VK_BUFFER_USAGE_TRANSFER_SRC_BIT, + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, + vertexBufferSize, + &vertexStaging.buffer, + &vertexStaging.memory, + vertexBuffer.data())); + // Index data + VK_CHECK_RESULT(vulkanDevice->createBuffer( + VK_BUFFER_USAGE_TRANSFER_SRC_BIT, + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, + indexBufferSize, + &indexStaging.buffer, + &indexStaging.memory, + indexBuffer.data())); + + // Create device local buffers (target) + VK_CHECK_RESULT(vulkanDevice->createBuffer( + VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT, + VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, + vertexBufferSize, + &model.vertices.buffer, + &model.vertices.memory)); + VK_CHECK_RESULT(vulkanDevice->createBuffer( + VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT, + VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, + indexBufferSize, + &model.indices.buffer, + &model.indices.memory)); + + // Copy data from staging buffers (host) do device local buffer (gpu) + VkCommandBuffer copyCmd = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true); + VkBufferCopy copyRegion = {}; + + copyRegion.size = vertexBufferSize; + vkCmdCopyBuffer( + copyCmd, + vertexStaging.buffer, + model.vertices.buffer, + 1, + ©Region); + + copyRegion.size = indexBufferSize; + vkCmdCopyBuffer( + copyCmd, + indexStaging.buffer, + model.indices.buffer, + 1, + ©Region); + + vulkanDevice->flushCommandBuffer(copyCmd, queue, true); + + // Free staging resources + vkDestroyBuffer(device, vertexStaging.buffer, nullptr); + vkFreeMemory(device, vertexStaging.memory, nullptr); + vkDestroyBuffer(device, indexStaging.buffer, nullptr); + vkFreeMemory(device, indexStaging.memory, nullptr); + } + + void VulkanExample::loadAssets() + { + loadglTFFile(getAssetPath() + "buster_drone/busterDrone.gltf", glTFModel); + loadglTFFile(getAssetPath() + "models/cube.gltf", skyboxModel, true); + ibltextures.skyboxCube.loadFromFile(getAssetPath() + "textures/hdr/pisa_cube.ktx", VK_FORMAT_R16G16B16A16_SFLOAT, vulkanDevice, queue); + } + + void VulkanExample::setupDescriptors() + { + /* + This sample uses separate descriptor sets (and layouts) for the matrices and materials (textures) + */ + //Descriptor Pool Alloc + { + std::vector poolSizes = { + vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 4), + // One combined image sampler per model image/texture + vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, static_cast(glTFModel.images.size())), + vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 4), // Add aditional sampler descriptor + vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1) + }; + // One set for matrices and one per model image/texture + const uint32_t maxSetCount = static_cast(glTFModel.images.size()) + 6; + VkDescriptorPoolCreateInfo descriptorPoolInfo = vks::initializers::descriptorPoolCreateInfo(poolSizes, maxSetCount); + VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool)); + } + + + // Descriptor set layout for passing matrices ---and precompute texture add in this descriptor + std::vector setLayoutBindings = + { + vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0), + vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 1), + vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 2), + vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 3), + }; + VkDescriptorSetLayoutCreateInfo descriptorSetLayoutCI = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings); + VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorSetLayoutCI, nullptr, &descriptorSetLayouts.matrices)); + + VkDescriptorSetLayoutBinding materialBufferLayoutBinding = vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_FRAGMENT_BIT, 0); + descriptorSetLayoutCI = vks::initializers::descriptorSetLayoutCreateInfo(&materialBufferLayoutBinding, 1); + VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorSetLayoutCI, nullptr, &descriptorSetLayouts.materialUniform)); + + // Descriptor set layout for passing material textures + VkDescriptorSetLayoutBinding setLayoutBinding = vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 0); + descriptorSetLayoutCI = vks::initializers::descriptorSetLayoutCreateInfo(&setLayoutBinding, 1); + VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorSetLayoutCI, nullptr, &descriptorSetLayouts.textures)); + + setLayoutBinding = vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0); + VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorSetLayoutCI, nullptr, &descriptorSetLayouts.ssbo)); + //Pbr pipeline layout + { + // Pipeline layout using both descriptor sets (set 0 = matrices, set 1 = material) + std::array setLayouts = + { descriptorSetLayouts.matrices, + descriptorSetLayouts.textures, + descriptorSetLayouts.textures, + descriptorSetLayouts.textures, + descriptorSetLayouts.textures, + descriptorSetLayouts.materialUniform, + descriptorSetLayouts.ssbo + }; + VkPipelineLayoutCreateInfo pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(setLayouts.data(), static_cast(setLayouts.size())); + VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelineLayouts.pbrLayout)); + + // Descriptor set for scene matrices + VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayouts.matrices, 1); + VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet)); + std::vector writeDescriptorSets = + { + vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &shaderData.buffer.descriptor), + vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, &ibltextures.irradianceCube.descriptor), + vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 2, &ibltextures.lutBrdf.descriptor), + vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 3, &ibltextures.prefilteredCube.descriptor), + }; + vkUpdateDescriptorSets(device, 4, writeDescriptorSets.data(), 0, nullptr); + + for (auto& material : glTFModel.materials) + { + const VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayouts.materialUniform, 1); + VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &material.materialData.descriptorSet)); + VkWriteDescriptorSet writeDescriptorSet = vks::initializers::writeDescriptorSet( + material.materialData.descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &material.materialData.buffer.descriptor); + vkUpdateDescriptorSets(device, 1, &writeDescriptorSet, 0, nullptr); + } + + // Descriptor sets for materials + for (auto& image : glTFModel.images) { + const VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayouts.textures, 1); + VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &image.descriptorSet)); + VkWriteDescriptorSet writeDescriptorSet = vks::initializers::writeDescriptorSet(image.descriptorSet, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 0, &image.texture.descriptor); + vkUpdateDescriptorSets(device, 1, &writeDescriptorSet, 0, nullptr); + } + { + const VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayouts.ssbo, 1); + VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &skinDescriptorSet)); + VkWriteDescriptorSet writeDescriptorSet = vks::initializers::writeDescriptorSet(skinDescriptorSet, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 0, &shaderData.skinSSBO.descriptor); + vkUpdateDescriptorSets(device, 1, &writeDescriptorSet, 0, nullptr); + } + } + //Tone Mapping pipeline layout + { + auto pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayouts.textures, 1); + VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelineLayouts.tonemappingLayout)); + + const VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayouts.textures, 1); + VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &tonemappingDescriptorSet)); + + auto imageInfo = vks::initializers::descriptorImageInfo(colorSampler, pbrFrameBuffer.color.imageView, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL); + VkWriteDescriptorSet writeDescriptorSet = vks::initializers::writeDescriptorSet(tonemappingDescriptorSet, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 0, &imageInfo); + vkUpdateDescriptorSets(device, 1, &writeDescriptorSet, 0, nullptr); + } + } + + void VulkanExample::preparePipelines() + { + VkPipelineInputAssemblyStateCreateInfo inputAssemblyStateCI = vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE); + VkPipelineRasterizationStateCreateInfo rasterizationStateCI = vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_BACK_BIT, VK_FRONT_FACE_COUNTER_CLOCKWISE, 0); + VkPipelineColorBlendAttachmentState blendAttachmentStateCI = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE); + VkPipelineColorBlendStateCreateInfo colorBlendStateCI = vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentStateCI); + VkPipelineDepthStencilStateCreateInfo depthStencilStateCI = vks::initializers::pipelineDepthStencilStateCreateInfo(VK_TRUE, VK_TRUE, VK_COMPARE_OP_LESS_OR_EQUAL); + VkPipelineViewportStateCreateInfo viewportStateCI = vks::initializers::pipelineViewportStateCreateInfo(1, 1, 0); + VkPipelineMultisampleStateCreateInfo multisampleStateCI = vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT, 0); + const std::vector dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamicStateCI = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables.data(), static_cast(dynamicStateEnables.size()), 0); + // Vertex input bindings and attributes + const std::vector vertexInputBindings = { + vks::initializers::vertexInputBindingDescription(0, sizeof(VulkanglTFModel::Vertex), VK_VERTEX_INPUT_RATE_VERTEX), + }; + const std::vector vertexInputAttributes = { + vks::initializers::vertexInputAttributeDescription(0, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, pos)), // Location 0: Position + vks::initializers::vertexInputAttributeDescription(0, 1, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, normal)),// Location 1: Normal + vks::initializers::vertexInputAttributeDescription(0, 2, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, uv)), // Location 2: Texture coordinates + vks::initializers::vertexInputAttributeDescription(0, 3, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, color)), // Location 3: Color + vks::initializers::vertexInputAttributeDescription(0, 4, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, tangent)), // Location 4 : Tangent + }; + VkPipelineVertexInputStateCreateInfo vertexInputStateCI = vks::initializers::pipelineVertexInputStateCreateInfo(); + vertexInputStateCI.vertexBindingDescriptionCount = static_cast(vertexInputBindings.size()); + vertexInputStateCI.pVertexBindingDescriptions = vertexInputBindings.data(); + vertexInputStateCI.vertexAttributeDescriptionCount = static_cast(vertexInputAttributes.size()); + vertexInputStateCI.pVertexAttributeDescriptions = vertexInputAttributes.data(); + + std::array shaderStages = { + loadShader(getHomeworkShadersPath() + "homework1/mesh.vert.spv", VK_SHADER_STAGE_VERTEX_BIT), + loadShader(getHomeworkShadersPath() + "homework1/mesh.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT) + }; + + VkGraphicsPipelineCreateInfo pipelineCI = vks::initializers::pipelineCreateInfo(pipelineLayouts.pbrLayout, pbrFrameBuffer.fbo.renderPass, 0); + pipelineCI.pVertexInputState = &vertexInputStateCI; + pipelineCI.pInputAssemblyState = &inputAssemblyStateCI; + pipelineCI.pRasterizationState = &rasterizationStateCI; + pipelineCI.pColorBlendState = &colorBlendStateCI; + pipelineCI.pMultisampleState = &multisampleStateCI; + pipelineCI.pViewportState = &viewportStateCI; + pipelineCI.pDepthStencilState = &depthStencilStateCI; + pipelineCI.pDynamicState = &dynamicStateCI; + pipelineCI.stageCount = static_cast(shaderStages.size()); + pipelineCI.pStages = shaderStages.data(); + + // Solid rendering pipeline + VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipelines.solid)); + + // Wire frame rendering pipeline + if (deviceFeatures.fillModeNonSolid) { + rasterizationStateCI.polygonMode = VK_POLYGON_MODE_LINE; + rasterizationStateCI.lineWidth = 1.0f; + VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipelines.wireframe)); + } + //Create Tone Mapping render pipeline + CreateToneMappingPipeline(); + } + + void VulkanExample::CreateToneMappingPipeline() + { + if (pipelines.toneMapping != VK_NULL_HANDLE) + { + vkDestroyPipeline(device, pipelines.toneMapping, nullptr); + pipelines.toneMapping = VK_NULL_HANDLE; + } + VkPipelineInputAssemblyStateCreateInfo inputAssemblyStateCI = vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE); + VkPipelineRasterizationStateCreateInfo rasterizationStateCI = vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_NONE, VK_FRONT_FACE_COUNTER_CLOCKWISE, 0); + VkPipelineColorBlendAttachmentState blendAttachmentStateCI = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE); + VkPipelineColorBlendStateCreateInfo colorBlendStateCI = vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentStateCI); + VkPipelineDepthStencilStateCreateInfo depthStencilStateCI = vks::initializers::pipelineDepthStencilStateCreateInfo(VK_FALSE, VK_FALSE, VK_COMPARE_OP_LESS_OR_EQUAL); + VkPipelineViewportStateCreateInfo viewportStateCI = vks::initializers::pipelineViewportStateCreateInfo(1, 1, 0); + VkPipelineMultisampleStateCreateInfo multisampleStateCI = vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT, 0); + const std::vector dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamicStateCI = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables.data(), static_cast(dynamicStateEnables.size()), 0); + VkPipelineVertexInputStateCreateInfo emptyInputState = vks::initializers::pipelineVertexInputStateCreateInfo(); + + + const std::string fragPath = ToneMapping ? "homework1/tonemapping_enable.frag.spv" : "homework1/tonemapping_disable.frag.spv"; + std::array shaderStages = { + loadShader(getHomeworkShadersPath() + "homework1/genbrdflut.vert.spv", VK_SHADER_STAGE_VERTEX_BIT), + loadShader(getHomeworkShadersPath() + fragPath, VK_SHADER_STAGE_FRAGMENT_BIT) + }; + + VkGraphicsPipelineCreateInfo pipelineCI = vks::initializers::pipelineCreateInfo(pipelineLayouts.tonemappingLayout, renderPass, 0); + pipelineCI.pVertexInputState = &emptyInputState; + pipelineCI.pInputAssemblyState = &inputAssemblyStateCI; + pipelineCI.pRasterizationState = &rasterizationStateCI; + pipelineCI.pColorBlendState = &colorBlendStateCI; + pipelineCI.pMultisampleState = &multisampleStateCI; + pipelineCI.pViewportState = &viewportStateCI; + pipelineCI.pDepthStencilState = &depthStencilStateCI; + pipelineCI.pDynamicState = &dynamicStateCI; + pipelineCI.stageCount = static_cast(shaderStages.size()); + pipelineCI.pStages = shaderStages.data(); + + VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipelines.toneMapping)); + } + + + //----------------------------Prepare precompute Lighting or BRDF LUT-----------------------------------------------// + //Irradiance map for diffuse lighting + void VulkanExample::GenerateIrradianceCubemap() + { + auto tStart = std::chrono::high_resolution_clock::now(); + + constexpr VkFormat format = VK_FORMAT_R32G32B32A32_SFLOAT; + constexpr int32_t dim = 64; + const uint32_t numMips = static_cast(floor(log2(dim))) + 1; + + VkImageCreateInfo imageCI = vks::initializers::imageCreateInfo(); + imageCI.imageType = VK_IMAGE_TYPE_2D; + imageCI.format = format; + imageCI.extent.width = dim; + imageCI.extent.height = dim; + imageCI.extent.depth = 1; + imageCI.mipLevels = numMips; + imageCI.arrayLayers = 6; + imageCI.samples = VK_SAMPLE_COUNT_1_BIT; + imageCI.tiling = VK_IMAGE_TILING_OPTIMAL; + imageCI.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + imageCI.flags = VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT; + VK_CHECK_RESULT(vkCreateImage(device, &imageCI, nullptr, &ibltextures.irradianceCube.image)) + VkMemoryAllocateInfo memAlloc = vks::initializers::memoryAllocateInfo(); + VkMemoryRequirements memReqs; + vkGetImageMemoryRequirements(device, ibltextures.irradianceCube.image, &memReqs); + memAlloc.allocationSize = memReqs.size; + memAlloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT); + VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &ibltextures.irradianceCube.deviceMemory)) + VK_CHECK_RESULT(vkBindImageMemory(device, ibltextures.irradianceCube.image, ibltextures.irradianceCube.deviceMemory, 0)) + VkImageViewCreateInfo viewCI = vks::initializers::imageViewCreateInfo(); + viewCI.viewType = VK_IMAGE_VIEW_TYPE_CUBE; + viewCI.format = format; + viewCI.subresourceRange = {}; + viewCI.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + viewCI.subresourceRange.levelCount = numMips; + viewCI.subresourceRange.layerCount = 6; + viewCI.image = ibltextures.irradianceCube.image; + VK_CHECK_RESULT(vkCreateImageView(device, &viewCI, nullptr, &ibltextures.irradianceCube.view)) + + VkSamplerCreateInfo samplerCI = vks::initializers::samplerCreateInfo(); + samplerCI.magFilter = VK_FILTER_LINEAR; + samplerCI.minFilter = VK_FILTER_LINEAR; + samplerCI.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + samplerCI.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.minLod = 0.0f; + samplerCI.maxLod = static_cast(numMips); + samplerCI.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE; + VK_CHECK_RESULT(vkCreateSampler(device, &samplerCI, nullptr, &ibltextures.irradianceCube.sampler)) + + ibltextures.irradianceCube.descriptor.imageView = ibltextures.irradianceCube.view; + ibltextures.irradianceCube.descriptor.sampler = ibltextures.irradianceCube.sampler; + ibltextures.irradianceCube.descriptor.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + ibltextures.irradianceCube.device = vulkanDevice; + + //Setup Framebuffer and so on + VkAttachmentDescription attDesc = {}; + attDesc.format = format; + attDesc.samples = VK_SAMPLE_COUNT_1_BIT; + attDesc.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; + attDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE; + attDesc.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attDesc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attDesc.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + attDesc.finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + + VkAttachmentReference colorReference = { 0, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL }; + VkSubpassDescription subpassDescription = {}; + subpassDescription.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; + subpassDescription.colorAttachmentCount = 1; + subpassDescription.pColorAttachments = &colorReference; + + std::array dependencies; + dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL; + dependencies[0].dstSubpass = 0; + dependencies[0].srcStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; + dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependencies[0].srcAccessMask = VK_ACCESS_MEMORY_READ_BIT; + dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + dependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT; + dependencies[1].srcSubpass = 0; + dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL; + dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependencies[1].dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; + dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + dependencies[1].dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; + dependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT; + + VkRenderPassCreateInfo renderPassCI = vks::initializers::renderPassCreateInfo(); + renderPassCI.attachmentCount = 1; + renderPassCI.pAttachments = &attDesc; + renderPassCI.subpassCount = 1; + renderPassCI.pSubpasses = &subpassDescription; + renderPassCI.dependencyCount = 2; + renderPassCI.pDependencies = dependencies.data(); + VkRenderPass renderpass; + VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassCI, nullptr, &renderpass)); + + { + VkImageCreateInfo imageCreateInfo = vks::initializers::imageCreateInfo(); + imageCreateInfo.imageType = VK_IMAGE_TYPE_2D; + imageCreateInfo.format = format; + imageCreateInfo.extent.width = dim; + imageCreateInfo.extent.height = dim; + imageCreateInfo.extent.depth = 1; + imageCreateInfo.mipLevels = 1; + imageCreateInfo.arrayLayers = 1; + imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT; + imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL; + imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + imageCreateInfo.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT; + imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + VK_CHECK_RESULT(vkCreateImage(device, &imageCreateInfo, nullptr, &offscreen.image)) + + VkMemoryAllocateInfo memAlloc = vks::initializers::memoryAllocateInfo(); + VkMemoryRequirements memReqs; + vkGetImageMemoryRequirements(device, offscreen.image, &memReqs); + memAlloc.allocationSize = memReqs.size; + memAlloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT); + VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &offscreen.memory)) + VK_CHECK_RESULT(vkBindImageMemory(device, offscreen.image, offscreen.memory, 0)) + + VkImageViewCreateInfo colorImageView = vks::initializers::imageViewCreateInfo(); + colorImageView.viewType = VK_IMAGE_VIEW_TYPE_2D; + colorImageView.format = format; + colorImageView.flags = 0; + colorImageView.subresourceRange = {}; + colorImageView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + colorImageView.subresourceRange.baseMipLevel = 0; + colorImageView.subresourceRange.levelCount = 1; + colorImageView.subresourceRange.baseArrayLayer = 0; + colorImageView.subresourceRange.layerCount = 1; + colorImageView.image = offscreen.image; + VK_CHECK_RESULT(vkCreateImageView(device, &colorImageView, nullptr, &offscreen.view)) + + VkFramebufferCreateInfo fbufCreateInfo = vks::initializers::framebufferCreateInfo(); + fbufCreateInfo.renderPass = renderpass; + fbufCreateInfo.attachmentCount = 1; + fbufCreateInfo.pAttachments = &offscreen.view; + fbufCreateInfo.width = dim; + fbufCreateInfo.height = dim; + fbufCreateInfo.layers = 1; + VK_CHECK_RESULT(vkCreateFramebuffer(device, &fbufCreateInfo, nullptr, &offscreen.framebuffer)) + + VkCommandBuffer layoutCmd = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true); + vks::tools::setImageLayout( + layoutCmd, + offscreen.image, + VK_IMAGE_ASPECT_COLOR_BIT, + VK_IMAGE_LAYOUT_UNDEFINED, + VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); + vulkanDevice->flushCommandBuffer(layoutCmd, queue, true); + } + VkDescriptorSetLayout descriptorsetlayout; + std::vector setLayoutBindings = + { + vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 0), + }; + VkDescriptorSetLayoutCreateInfo descriptorsetlayoutCI = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings); + VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorsetlayoutCI, nullptr, &descriptorsetlayout)); + + std::vector poolSizes = { vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1) }; + VkDescriptorPoolCreateInfo descriptorPoolCI = vks::initializers::descriptorPoolCreateInfo(poolSizes, 2); + VkDescriptorPool descriptorpool; + VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolCI, nullptr, &descriptorpool)); + + VkDescriptorSet descriptorset; + VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorpool, &descriptorsetlayout, 1); + VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorset)); + VkWriteDescriptorSet writeDescriptorSet = vks::initializers::writeDescriptorSet(descriptorset, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 0, &ibltextures.skyboxCube.descriptor); + vkUpdateDescriptorSets(device, 1, &writeDescriptorSet, 0, nullptr); + + + + VkPipelineLayout pipelinelayout; + std::vector pushConstantRanges = + { + vks::initializers::pushConstantRange(VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(IrradiancePushBlock), 0) + }; + VkPipelineLayoutCreateInfo pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(&descriptorsetlayout, 1); + pipelineLayoutCI.pushConstantRangeCount = 1; + pipelineLayoutCI.pPushConstantRanges = pushConstantRanges.data(); + VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelinelayout)); + + //Pipeline Setting + 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_NONE, VK_FRONT_FACE_COUNTER_CLOCKWISE); + VkPipelineColorBlendAttachmentState blendAttachmentState = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE); + VkPipelineColorBlendStateCreateInfo colorBlendState = vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentState); + VkPipelineDepthStencilStateCreateInfo depthStencilState = vks::initializers::pipelineDepthStencilStateCreateInfo(VK_FALSE, VK_FALSE, VK_COMPARE_OP_LESS_OR_EQUAL); + VkPipelineViewportStateCreateInfo viewportState = vks::initializers::pipelineViewportStateCreateInfo(1, 1); + VkPipelineMultisampleStateCreateInfo multisampleState = vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT); + std::vector dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamicState = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables); + std::array shaderStages; + + const std::vector vertexInputBindings = + { + vks::initializers::vertexInputBindingDescription(0, sizeof(VulkanglTFModel::Vertex), VK_VERTEX_INPUT_RATE_VERTEX), + }; + + const std::vector vertexInputAttributes = { + vks::initializers::vertexInputAttributeDescription(0, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, pos)), // Location 0: Position + //vks::initializers::vertexInputAttributeDescription(0, 1, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, normal)),// Location 1: Normal + //vks::initializers::vertexInputAttributeDescription(0, 2, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, uv)), // Location 2: Texture coordinates + //vks::initializers::vertexInputAttributeDescription(0, 3, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, color)), // Location 3: Color + //vks::initializers::vertexInputAttributeDescription(0, 4, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, tangent)), // Location 4 : Tangent + }; + VkPipelineVertexInputStateCreateInfo vertexInputStateCI = vks::initializers::pipelineVertexInputStateCreateInfo(); + vertexInputStateCI.vertexBindingDescriptionCount = static_cast(vertexInputBindings.size()); + vertexInputStateCI.pVertexBindingDescriptions = vertexInputBindings.data(); + vertexInputStateCI.vertexAttributeDescriptionCount = static_cast(vertexInputAttributes.size()); + vertexInputStateCI.pVertexAttributeDescriptions = vertexInputAttributes.data(); + + VkGraphicsPipelineCreateInfo pipelineCI = vks::initializers::pipelineCreateInfo(pipelinelayout, renderpass); + pipelineCI.pInputAssemblyState = &inputAssemblyState; + pipelineCI.pRasterizationState = &rasterizationState; + pipelineCI.pColorBlendState = &colorBlendState; + pipelineCI.pMultisampleState = &multisampleState; + pipelineCI.pViewportState = &viewportState; + pipelineCI.pDepthStencilState = &depthStencilState; + pipelineCI.pDynamicState = &dynamicState; + pipelineCI.stageCount = 2; + pipelineCI.pStages = shaderStages.data(); + pipelineCI.renderPass = renderpass; + + pipelineCI.pVertexInputState = &vertexInputStateCI; + shaderStages[0] = loadShader(getHomeworkShadersPath() + "homework1/filtercube.vert.spv", VK_SHADER_STAGE_VERTEX_BIT); + shaderStages[1] = loadShader(getHomeworkShadersPath() + "homework1/irradiancecube.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT); + VkPipeline pipeline; + VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipeline)); + + //Render + VkClearValue clearValues[1]; + clearValues[0].color = { { 0.0f, 0.0f, 0.2f, 0.0f } }; + VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo(); + renderPassBeginInfo.renderPass = renderpass; + renderPassBeginInfo.framebuffer = offscreen.framebuffer; + renderPassBeginInfo.renderArea.extent.width = dim; + renderPassBeginInfo.renderArea.extent.height = dim; + renderPassBeginInfo.clearValueCount = 1; + renderPassBeginInfo.pClearValues = clearValues; + + //six face in cube map + std::vector matrices = { + // POSITIVE_X + glm::rotate(glm::rotate(glm::mat4(1.0f), glm::radians(90.0f), glm::vec3(0.0f, 1.0f, 0.0f)), glm::radians(180.0f), glm::vec3(1.0f, 0.0f, 0.0f)), + // NEGATIVE_X + glm::rotate(glm::rotate(glm::mat4(1.0f), glm::radians(-90.0f), glm::vec3(0.0f, 1.0f, 0.0f)), glm::radians(180.0f), glm::vec3(1.0f, 0.0f, 0.0f)), + // POSITIVE_Y + glm::rotate(glm::mat4(1.0f), glm::radians(-90.0f), glm::vec3(1.0f, 0.0f, 0.0f)), + // NEGATIVE_Y + glm::rotate(glm::mat4(1.0f), glm::radians(90.0f), glm::vec3(1.0f, 0.0f, 0.0f)), + // POSITIVE_Z + glm::rotate(glm::mat4(1.0f), glm::radians(180.0f), glm::vec3(1.0f, 0.0f, 0.0f)), + // NEGATIVE_Z + glm::rotate(glm::mat4(1.0f), glm::radians(180.0f), glm::vec3(0.0f, 0.0f, 1.0f)), + }; + VkCommandBuffer cmdBuf = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true); + VkViewport viewport = vks::initializers::viewport((float)dim, (float)dim, 0.0f, 1.0f); + VkRect2D scissor = vks::initializers::rect2D(dim, dim, 0, 0); + + vkCmdSetViewport(cmdBuf, 0, 1, &viewport); + vkCmdSetScissor(cmdBuf, 0, 1, &scissor); + + VkImageSubresourceRange subresourceRange = {}; + subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + subresourceRange.baseMipLevel = 0; + subresourceRange.levelCount = numMips; + subresourceRange.layerCount = 6; + + vks::tools::setImageLayout( + cmdBuf, + ibltextures.irradianceCube.image, + VK_IMAGE_LAYOUT_UNDEFINED, + VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, + subresourceRange); + + for(uint32_t m = 0; m < numMips; ++m) + { + for(uint32_t f = 0; f < 6; ++f) + { + viewport.width = static_cast(dim * std::pow(0.5f, m)); + viewport.height = static_cast(dim * std::pow(0.5f, m)); + vkCmdSetViewport(cmdBuf, 0, 1, &viewport); + // Render scene from cube face's point of view + vkCmdBeginRenderPass(cmdBuf, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE); + irradiancePushBlock.mvp = glm::perspective((float)(M_PI / 2.0), 1.0f, 0.1f, 512.0f) * matrices[f]; + vkCmdPushConstants(cmdBuf, pipelinelayout, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(IrradiancePushBlock), &irradiancePushBlock); + + vkCmdBindPipeline(cmdBuf, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline); + vkCmdBindDescriptorSets(cmdBuf, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelinelayout, 0, 1, &descriptorset, 0, NULL); + skyboxModel.draw(cmdBuf, pipelinelayout, false); + vkCmdEndRenderPass(cmdBuf); + + vks::tools::setImageLayout( + cmdBuf, + offscreen.image, + VK_IMAGE_ASPECT_COLOR_BIT, + VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, + VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL); + + VkImageCopy copyRegion = {}; + copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copyRegion.srcSubresource.layerCount = 1; + copyRegion.srcSubresource.mipLevel = 0; + copyRegion.srcSubresource.baseArrayLayer = 0; + + copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copyRegion.dstSubresource.layerCount = 1; + copyRegion.dstSubresource.mipLevel = m; + copyRegion.dstSubresource.baseArrayLayer = f; + + copyRegion.extent.width = static_cast(viewport.width); + copyRegion.extent.height = static_cast(viewport.height); + copyRegion.extent.depth = 1; + + vkCmdCopyImage( + cmdBuf, + offscreen.image, + VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, + ibltextures.irradianceCube.image, + VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, + 1, + ©Region); + vks::tools::setImageLayout(cmdBuf, + offscreen.image, + VK_IMAGE_ASPECT_COLOR_BIT, + VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, + VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL + ); + } + } + + vks::tools::setImageLayout(cmdBuf, + ibltextures.irradianceCube.image, + VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, + VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, + subresourceRange); + vulkanDevice->flushCommandBuffer(cmdBuf, queue); + + vkDestroyRenderPass(device, renderpass, nullptr); + vkDestroyFramebuffer(device, offscreen.framebuffer, nullptr); + vkFreeMemory(device, offscreen.memory, nullptr); + vkDestroyImageView(device, offscreen.view, nullptr); + vkDestroyImage(device, offscreen.image, nullptr); + vkDestroyDescriptorPool(device, descriptorpool, nullptr); + vkDestroyDescriptorSetLayout(device, descriptorsetlayout, nullptr); + vkDestroyPipeline(device, pipeline, nullptr); + vkDestroyPipelineLayout(device, pipelinelayout, nullptr); + + auto tEnd = std::chrono::high_resolution_clock::now(); + auto tDiff = std::chrono::duration(tEnd - tStart).count(); + std::cout << "Generating irradiance cube with " << numMips << " mip levels took " << tDiff << " ms" << std::endl; + } + + void VulkanExample::GeneratePrefilteredCubemap() + { + auto tStart = std::chrono::high_resolution_clock::now(); + + constexpr VkFormat format = VK_FORMAT_R32G32B32A32_SFLOAT; + constexpr int32_t dim = 512; + const uint32_t numMips = static_cast(floor(log2(dim))) + 1; + + VkImageCreateInfo imageCI = vks::initializers::imageCreateInfo(); + imageCI.imageType = VK_IMAGE_TYPE_2D; + imageCI.format = format; + imageCI.extent.width = dim; + imageCI.extent.height = dim; + imageCI.extent.depth = 1; + imageCI.mipLevels = numMips; + imageCI.arrayLayers = 6; + imageCI.samples = VK_SAMPLE_COUNT_1_BIT; + imageCI.tiling = VK_IMAGE_TILING_OPTIMAL; + imageCI.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + imageCI.flags = VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT; + + VK_CHECK_RESULT(vkCreateImage(device, &imageCI, nullptr, &ibltextures.prefilteredCube.image)); + VkMemoryAllocateInfo memAlloc = vks::initializers::memoryAllocateInfo(); + VkMemoryRequirements memReqs; + vkGetImageMemoryRequirements(device, ibltextures.prefilteredCube.image, &memReqs); + memAlloc.allocationSize = memReqs.size; + memAlloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT); + VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &ibltextures.prefilteredCube.deviceMemory)); + VK_CHECK_RESULT(vkBindImageMemory(device, ibltextures.prefilteredCube.image, ibltextures.prefilteredCube.deviceMemory, 0)); + + // Image view + VkImageViewCreateInfo viewCI = vks::initializers::imageViewCreateInfo(); + viewCI.viewType = VK_IMAGE_VIEW_TYPE_CUBE; + viewCI.format = format; + viewCI.subresourceRange = {}; + viewCI.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + viewCI.subresourceRange.levelCount = numMips; + viewCI.subresourceRange.layerCount = 6; + viewCI.image = ibltextures.prefilteredCube.image; + VK_CHECK_RESULT(vkCreateImageView(device, &viewCI, nullptr, &ibltextures.prefilteredCube.view)); + + // Sampler + VkSamplerCreateInfo samplerCI = vks::initializers::samplerCreateInfo(); + samplerCI.magFilter = VK_FILTER_LINEAR; + samplerCI.minFilter = VK_FILTER_LINEAR; + samplerCI.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + samplerCI.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.minLod = 0.0f; + samplerCI.maxLod = static_cast(numMips); + samplerCI.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE; + VK_CHECK_RESULT(vkCreateSampler(device, &samplerCI, nullptr, &ibltextures.prefilteredCube.sampler)); + + ibltextures.prefilteredCube.descriptor.imageView = ibltextures.prefilteredCube.view; + ibltextures.prefilteredCube.descriptor.sampler = ibltextures.prefilteredCube.sampler; + ibltextures.prefilteredCube.descriptor.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + ibltextures.prefilteredCube.device = vulkanDevice; + + // FB, Att, RP, Pipe, etc. + VkAttachmentDescription attDesc = {}; + // Color attachment + attDesc.format = format; + attDesc.samples = VK_SAMPLE_COUNT_1_BIT; + attDesc.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; + attDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE; + attDesc.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attDesc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attDesc.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + attDesc.finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + VkAttachmentReference colorReference = { 0, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL }; + + VkSubpassDescription subpassDescription = {}; + subpassDescription.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; + subpassDescription.colorAttachmentCount = 1; + subpassDescription.pColorAttachments = &colorReference; + + // Use subpass dependencies for layout transitions + std::array dependencies; + dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL; + dependencies[0].dstSubpass = 0; + dependencies[0].srcStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; + dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependencies[0].srcAccessMask = VK_ACCESS_MEMORY_READ_BIT; + dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + dependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT; + dependencies[1].srcSubpass = 0; + dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL; + dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependencies[1].dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; + dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + dependencies[1].dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; + dependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT; + + // Renderpass + VkRenderPassCreateInfo renderPassCI = vks::initializers::renderPassCreateInfo(); + renderPassCI.attachmentCount = 1; + renderPassCI.pAttachments = &attDesc; + renderPassCI.subpassCount = 1; + renderPassCI.pSubpasses = &subpassDescription; + renderPassCI.dependencyCount = 2; + renderPassCI.pDependencies = dependencies.data(); + VkRenderPass renderpass; + VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassCI, nullptr, &renderpass)); + + struct { + VkImage image; + VkImageView view; + VkDeviceMemory memory; + VkFramebuffer framebuffer; + } offscreen; + //framebuffer + { + // Color attachment + VkImageCreateInfo imageCreateInfo = vks::initializers::imageCreateInfo(); + imageCreateInfo.imageType = VK_IMAGE_TYPE_2D; + imageCreateInfo.format = format; + imageCreateInfo.extent.width = dim; + imageCreateInfo.extent.height = dim; + imageCreateInfo.extent.depth = 1; + imageCreateInfo.mipLevels = 1; + imageCreateInfo.arrayLayers = 1; + imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT; + imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL; + imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + imageCreateInfo.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT; + imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + VK_CHECK_RESULT(vkCreateImage(device, &imageCreateInfo, nullptr, &offscreen.image)); + + VkMemoryAllocateInfo memAlloc = vks::initializers::memoryAllocateInfo(); + VkMemoryRequirements memReqs; + vkGetImageMemoryRequirements(device, offscreen.image, &memReqs); + memAlloc.allocationSize = memReqs.size; + memAlloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT); + VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &offscreen.memory)); + VK_CHECK_RESULT(vkBindImageMemory(device, offscreen.image, offscreen.memory, 0)); + + VkImageViewCreateInfo colorImageView = vks::initializers::imageViewCreateInfo(); + colorImageView.viewType = VK_IMAGE_VIEW_TYPE_2D; + colorImageView.format = format; + colorImageView.flags = 0; + colorImageView.subresourceRange = {}; + colorImageView.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + colorImageView.subresourceRange.baseMipLevel = 0; + colorImageView.subresourceRange.levelCount = 1; + colorImageView.subresourceRange.baseArrayLayer = 0; + colorImageView.subresourceRange.layerCount = 1; + colorImageView.image = offscreen.image; + VK_CHECK_RESULT(vkCreateImageView(device, &colorImageView, nullptr, &offscreen.view)); + + VkFramebufferCreateInfo fbufCreateInfo = vks::initializers::framebufferCreateInfo(); + fbufCreateInfo.renderPass = renderpass; + fbufCreateInfo.attachmentCount = 1; + fbufCreateInfo.pAttachments = &offscreen.view; + fbufCreateInfo.width = dim; + fbufCreateInfo.height = dim; + fbufCreateInfo.layers = 1; + VK_CHECK_RESULT(vkCreateFramebuffer(device, &fbufCreateInfo, nullptr, &offscreen.framebuffer)); + + VkCommandBuffer layoutCmd = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true); + vks::tools::setImageLayout( + layoutCmd, + offscreen.image, + VK_IMAGE_ASPECT_COLOR_BIT, + VK_IMAGE_LAYOUT_UNDEFINED, + VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); + vulkanDevice->flushCommandBuffer(layoutCmd, queue, true); + } + + // Descriptors + VkDescriptorSetLayout descriptorsetlayout; + std::vector setLayoutBindings = { + vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 0), + }; + VkDescriptorSetLayoutCreateInfo descriptorsetlayoutCI = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings); + VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorsetlayoutCI, nullptr, &descriptorsetlayout)); + + // Descriptor Pool + std::vector poolSizes = { vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1) }; + VkDescriptorPoolCreateInfo descriptorPoolCI = vks::initializers::descriptorPoolCreateInfo(poolSizes, 2); + VkDescriptorPool descriptorpool; + VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolCI, nullptr, &descriptorpool)); + + VkDescriptorSet descriptorset; + VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorpool, &descriptorsetlayout, 1); + VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorset)); + VkWriteDescriptorSet writeDescriptorSet = vks::initializers::writeDescriptorSet(descriptorset, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 0, &ibltextures.skyboxCube.descriptor); + vkUpdateDescriptorSets(device, 1, &writeDescriptorSet, 0, nullptr); + + struct PushBlock { + glm::mat4 mvp; + float roughness; + uint32_t numSamples = 32u; + } pushBlock; + + std::vector pushConstantRanges = { + vks::initializers::pushConstantRange(VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(PushBlock), 0), + }; + VkPipelineLayoutCreateInfo pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(&descriptorsetlayout, 1); + pipelineLayoutCI.pushConstantRangeCount = 1; + pipelineLayoutCI.pPushConstantRanges = pushConstantRanges.data(); + VkPipelineLayout pipelinelayout; + VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelinelayout)); + + 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_NONE, VK_FRONT_FACE_COUNTER_CLOCKWISE); + VkPipelineColorBlendAttachmentState blendAttachmentState = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE); + VkPipelineColorBlendStateCreateInfo colorBlendState = vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentState); + VkPipelineDepthStencilStateCreateInfo depthStencilState = vks::initializers::pipelineDepthStencilStateCreateInfo(VK_FALSE, VK_FALSE, VK_COMPARE_OP_LESS_OR_EQUAL); + VkPipelineViewportStateCreateInfo viewportState = vks::initializers::pipelineViewportStateCreateInfo(1, 1); + VkPipelineMultisampleStateCreateInfo multisampleState = vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT); + std::vector dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamicState = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables); + std::array shaderStages; + + const std::vector vertexInputBindings = + { + vks::initializers::vertexInputBindingDescription(0, sizeof(VulkanglTFModel::Vertex), VK_VERTEX_INPUT_RATE_VERTEX), + }; + + const std::vector vertexInputAttributes = { + vks::initializers::vertexInputAttributeDescription(0, 0, VK_FORMAT_R32G32B32_SFLOAT, offsetof(VulkanglTFModel::Vertex, pos)), // Location 0: Position + }; + VkPipelineVertexInputStateCreateInfo vertexInputStateCI = vks::initializers::pipelineVertexInputStateCreateInfo(); + vertexInputStateCI.vertexBindingDescriptionCount = static_cast(vertexInputBindings.size()); + vertexInputStateCI.pVertexBindingDescriptions = vertexInputBindings.data(); + vertexInputStateCI.vertexAttributeDescriptionCount = static_cast(vertexInputAttributes.size()); + vertexInputStateCI.pVertexAttributeDescriptions = vertexInputAttributes.data(); + + VkGraphicsPipelineCreateInfo pipelineCI = vks::initializers::pipelineCreateInfo(pipelinelayout, renderpass); + pipelineCI.pInputAssemblyState = &inputAssemblyState; + pipelineCI.pRasterizationState = &rasterizationState; + pipelineCI.pColorBlendState = &colorBlendState; + pipelineCI.pMultisampleState = &multisampleState; + pipelineCI.pViewportState = &viewportState; + pipelineCI.pDepthStencilState = &depthStencilState; + pipelineCI.pDynamicState = &dynamicState; + pipelineCI.stageCount = 2; + pipelineCI.pStages = shaderStages.data(); + pipelineCI.renderPass = renderpass; + pipelineCI.pVertexInputState = &vertexInputStateCI; + + shaderStages[0] = loadShader(getHomeworkShadersPath() + "homework1/filtercube.vert.spv", VK_SHADER_STAGE_VERTEX_BIT); + shaderStages[1] = loadShader(getHomeworkShadersPath() + "homework1/prefilterenvmap.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT); + + VkPipeline pipeline; + VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipeline)); + + //Render & build cmd + VkClearValue clearValues[1]; + clearValues[0].color = { { 0.0f, 0.0f, 0.2f, 0.0f } }; + + VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo(); + // Reuse render pass from example pass + renderPassBeginInfo.renderPass = renderpass; + renderPassBeginInfo.framebuffer = offscreen.framebuffer; + renderPassBeginInfo.renderArea.extent.width = dim; + renderPassBeginInfo.renderArea.extent.height = dim; + renderPassBeginInfo.clearValueCount = 1; + renderPassBeginInfo.pClearValues = clearValues; + + std::vector matrices = { + // POSITIVE_X + glm::rotate(glm::rotate(glm::mat4(1.0f), glm::radians(90.0f), glm::vec3(0.0f, 1.0f, 0.0f)), glm::radians(180.0f), glm::vec3(1.0f, 0.0f, 0.0f)), + // NEGATIVE_X + glm::rotate(glm::rotate(glm::mat4(1.0f), glm::radians(-90.0f), glm::vec3(0.0f, 1.0f, 0.0f)), glm::radians(180.0f), glm::vec3(1.0f, 0.0f, 0.0f)), + // POSITIVE_Y + glm::rotate(glm::mat4(1.0f), glm::radians(-90.0f), glm::vec3(1.0f, 0.0f, 0.0f)), + // NEGATIVE_Y + glm::rotate(glm::mat4(1.0f), glm::radians(90.0f), glm::vec3(1.0f, 0.0f, 0.0f)), + // POSITIVE_Z + glm::rotate(glm::mat4(1.0f), glm::radians(180.0f), glm::vec3(1.0f, 0.0f, 0.0f)), + // NEGATIVE_Z + glm::rotate(glm::mat4(1.0f), glm::radians(180.0f), glm::vec3(0.0f, 0.0f, 1.0f)), + }; + VkCommandBuffer cmdBuf = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true); + + VkViewport viewport = vks::initializers::viewport((float)dim, (float)dim, 0.0f, 1.0f); + VkRect2D scissor = vks::initializers::rect2D(dim, dim, 0, 0); + + vkCmdSetViewport(cmdBuf, 0, 1, &viewport); + vkCmdSetScissor(cmdBuf, 0, 1, &scissor); + + VkImageSubresourceRange subresourceRange = {}; + subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + subresourceRange.baseMipLevel = 0; + subresourceRange.levelCount = numMips; + subresourceRange.layerCount = 6; + + vks::tools::setImageLayout( + cmdBuf, + ibltextures.prefilteredCube.image, + VK_IMAGE_LAYOUT_UNDEFINED, + VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, + subresourceRange); + + for (uint32_t m = 0; m < numMips; ++m) + { + //mip level according to roughness + pushBlock.roughness = float(m) / float(numMips - 1); + for (uint32_t f = 0; f < 6; ++f) + { + viewport.width = static_cast(dim * std::pow(0.5f, m)); + viewport.height = static_cast(dim * std::pow(0.5f, m)); + vkCmdSetViewport(cmdBuf, 0, 1, &viewport); + // Render scene from cube face's point of view + vkCmdBeginRenderPass(cmdBuf, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE); + + // Update shader push constant block + pushBlock.mvp = glm::perspective((float)(M_PI / 2.0), 1.0f, 0.1f, 512.0f) * matrices[f]; + + vkCmdPushConstants(cmdBuf, pipelinelayout, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(PushBlock), &pushBlock); + vkCmdBindPipeline(cmdBuf, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline); + vkCmdBindDescriptorSets(cmdBuf, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelinelayout, 0, 1, &descriptorset, 0, nullptr); + skyboxModel.draw(cmdBuf, pipelinelayout, false); + vkCmdEndRenderPass(cmdBuf); + + vks::tools::setImageLayout( + cmdBuf, + offscreen.image, + VK_IMAGE_ASPECT_COLOR_BIT, + VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, + VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL); + + VkImageCopy copyRegion{}; + copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copyRegion.srcSubresource.baseArrayLayer = 0; + copyRegion.srcSubresource.mipLevel = 0; + copyRegion.srcSubresource.layerCount = 1; + copyRegion.srcOffset = { 0, 0, 0 }; + + copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copyRegion.dstSubresource.baseArrayLayer = f; + copyRegion.dstSubresource.mipLevel = m; + copyRegion.dstSubresource.layerCount = 1; + copyRegion.dstOffset = { 0, 0, 0 }; + + copyRegion.extent.width = static_cast(viewport.width); + copyRegion.extent.height = static_cast(viewport.height); + copyRegion.extent.depth = 1; + + vkCmdCopyImage( + cmdBuf, + offscreen.image, + VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, + ibltextures.prefilteredCube.image, + VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, + 1, + ©Region); + + //Reset frame buffer image layout + vks::tools::setImageLayout( + cmdBuf, + offscreen.image, + VK_IMAGE_ASPECT_COLOR_BIT, + VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, + VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); + } + } + + //Set format shader read + vks::tools::setImageLayout( + cmdBuf, + ibltextures.prefilteredCube.image, + VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, + VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, + subresourceRange); + + vulkanDevice->flushCommandBuffer(cmdBuf, queue); + + vkDestroyRenderPass(device, renderpass, nullptr); + vkDestroyFramebuffer(device, offscreen.framebuffer, nullptr); + vkFreeMemory(device, offscreen.memory, nullptr); + vkDestroyImageView(device, offscreen.view, nullptr); + vkDestroyImage(device, offscreen.image, nullptr); + vkDestroyDescriptorPool(device, descriptorpool, nullptr); + vkDestroyDescriptorSetLayout(device, descriptorsetlayout, nullptr); + vkDestroyPipeline(device, pipeline, nullptr); + vkDestroyPipelineLayout(device, pipelinelayout, nullptr); + + auto tEnd = std::chrono::high_resolution_clock::now(); + auto tDiff = std::chrono::duration(tEnd - tStart).count(); + std::cout << "Generating pre-filtered environment cube with " << numMips << " mip levels took " << tDiff << " ms" << std::endl; +} + + void VulkanExample::GenerateBRDFLUT() + { + auto tStart = std::chrono::high_resolution_clock::now(); + + constexpr VkFormat format = VK_FORMAT_R16G16_SFLOAT; + constexpr int32_t dim = 512; + + // Image + VkImageCreateInfo imageCI = vks::initializers::imageCreateInfo(); + imageCI.imageType = VK_IMAGE_TYPE_2D; + imageCI.format = format; + imageCI.extent.width = dim; + imageCI.extent.height = dim; + imageCI.extent.depth = 1; + imageCI.mipLevels = 1; + imageCI.arrayLayers = 1; + imageCI.samples = VK_SAMPLE_COUNT_1_BIT; + imageCI.tiling = VK_IMAGE_TILING_OPTIMAL; + imageCI.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_SAMPLED_BIT; + VK_CHECK_RESULT(vkCreateImage(device, &imageCI, nullptr, &ibltextures.lutBrdf.image)); + VkMemoryAllocateInfo memAlloc = vks::initializers::memoryAllocateInfo(); + VkMemoryRequirements memReqs; + vkGetImageMemoryRequirements(device, ibltextures.lutBrdf.image, &memReqs); + memAlloc.allocationSize = memReqs.size; + memAlloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT); + VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &ibltextures.lutBrdf.deviceMemory)); + VK_CHECK_RESULT(vkBindImageMemory(device, ibltextures.lutBrdf.image, ibltextures.lutBrdf.deviceMemory, 0)); + + // Image view + VkImageViewCreateInfo viewCI = vks::initializers::imageViewCreateInfo(); + viewCI.viewType = VK_IMAGE_VIEW_TYPE_2D; + viewCI.format = format; + viewCI.subresourceRange = {}; + viewCI.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + viewCI.subresourceRange.levelCount = 1; + viewCI.subresourceRange.layerCount = 1; + viewCI.image = ibltextures.lutBrdf.image; + VK_CHECK_RESULT(vkCreateImageView(device, &viewCI, nullptr, &ibltextures.lutBrdf.view)); + + // Sampler + VkSamplerCreateInfo samplerCI = vks::initializers::samplerCreateInfo(); + samplerCI.magFilter = VK_FILTER_LINEAR; + samplerCI.minFilter = VK_FILTER_LINEAR; + samplerCI.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + samplerCI.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; + samplerCI.minLod = 0.0f; + samplerCI.maxLod = 1.0f; + samplerCI.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE; + VK_CHECK_RESULT(vkCreateSampler(device, &samplerCI, nullptr, &ibltextures.lutBrdf.sampler)); + + ibltextures.lutBrdf.descriptor.imageView = ibltextures.lutBrdf.view; + ibltextures.lutBrdf.descriptor.sampler = ibltextures.lutBrdf.sampler; + ibltextures.lutBrdf.descriptor.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + ibltextures.lutBrdf.device = vulkanDevice; + + // FB, Att, RP, Pipe, etc. + VkAttachmentDescription attDesc = {}; + // Color attachment + attDesc.format = format; + attDesc.samples = VK_SAMPLE_COUNT_1_BIT; + attDesc.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; + attDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE; + attDesc.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attDesc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attDesc.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + attDesc.finalLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkAttachmentReference colorReference = { 0, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL }; + + VkSubpassDescription subpassDescription = {}; + subpassDescription.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; + subpassDescription.colorAttachmentCount = 1; + subpassDescription.pColorAttachments = &colorReference; + + // Use subpass dependencies for layout transitions + std::array dependencies; + dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL; + dependencies[0].dstSubpass = 0; + dependencies[0].srcStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; + dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependencies[0].srcAccessMask = VK_ACCESS_MEMORY_READ_BIT; + dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + dependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT; + dependencies[1].srcSubpass = 0; + dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL; + dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependencies[1].dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; + dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + dependencies[1].dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; + dependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT; + + // Create the actual render pass + VkRenderPassCreateInfo renderPassCI = vks::initializers::renderPassCreateInfo(); + renderPassCI.attachmentCount = 1; + renderPassCI.pAttachments = &attDesc; + renderPassCI.subpassCount = 1; + renderPassCI.pSubpasses = &subpassDescription; + renderPassCI.dependencyCount = 2; + renderPassCI.pDependencies = dependencies.data(); + + VkRenderPass renderpass; + VK_CHECK_RESULT(vkCreateRenderPass(device, &renderPassCI, nullptr, &renderpass)); + + VkFramebufferCreateInfo framebufferCI = vks::initializers::framebufferCreateInfo(); + framebufferCI.renderPass = renderpass; + framebufferCI.attachmentCount = 1; + framebufferCI.pAttachments = &ibltextures.lutBrdf.view; + framebufferCI.width = dim; + framebufferCI.height = dim; + framebufferCI.layers = 1; + + VkFramebuffer framebuffer; + VK_CHECK_RESULT(vkCreateFramebuffer(device, &framebufferCI, nullptr, &framebuffer)); + + // Descriptors + VkDescriptorSetLayout descriptorsetlayout; + std::vector setLayoutBindings = {}; + VkDescriptorSetLayoutCreateInfo descriptorsetlayoutCI = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings); + VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorsetlayoutCI, nullptr, &descriptorsetlayout)); + + // Descriptor Pool + std::vector poolSizes = { vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1) }; + VkDescriptorPoolCreateInfo descriptorPoolCI = vks::initializers::descriptorPoolCreateInfo(poolSizes, 2); + VkDescriptorPool descriptorpool; + VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolCI, nullptr, &descriptorpool)); + + // Descriptor sets + VkDescriptorSet descriptorset; + VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorpool, &descriptorsetlayout, 1); + VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorset)); + + // Pipeline layout + VkPipelineLayout pipelinelayout; + VkPipelineLayoutCreateInfo pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(&descriptorsetlayout, 1); + VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelinelayout)); + + // Pipeline + 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_NONE, VK_FRONT_FACE_COUNTER_CLOCKWISE); + VkPipelineColorBlendAttachmentState blendAttachmentState = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE); + VkPipelineColorBlendStateCreateInfo colorBlendState = vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentState); + VkPipelineDepthStencilStateCreateInfo depthStencilState = vks::initializers::pipelineDepthStencilStateCreateInfo(VK_FALSE, VK_FALSE, VK_COMPARE_OP_LESS_OR_EQUAL); + VkPipelineViewportStateCreateInfo viewportState = vks::initializers::pipelineViewportStateCreateInfo(1, 1); + VkPipelineMultisampleStateCreateInfo multisampleState = vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT); + std::vector dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamicState = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables); + VkPipelineVertexInputStateCreateInfo emptyInputState = vks::initializers::pipelineVertexInputStateCreateInfo(); + std::array shaderStages; + + VkGraphicsPipelineCreateInfo pipelineCI = vks::initializers::pipelineCreateInfo(pipelinelayout, renderpass); + pipelineCI.pInputAssemblyState = &inputAssemblyState; + pipelineCI.pRasterizationState = &rasterizationState; + pipelineCI.pColorBlendState = &colorBlendState; + pipelineCI.pMultisampleState = &multisampleState; + pipelineCI.pViewportState = &viewportState; + pipelineCI.pDepthStencilState = &depthStencilState; + pipelineCI.pDynamicState = &dynamicState; + pipelineCI.stageCount = 2; + pipelineCI.pStages = shaderStages.data(); + pipelineCI.pVertexInputState = &emptyInputState; + + // Look-up-table (from BRDF) pipeline + shaderStages[0] = loadShader(getHomeworkShadersPath() + "homework1/genbrdflut.vert.spv", VK_SHADER_STAGE_VERTEX_BIT); + shaderStages[1] = loadShader(getHomeworkShadersPath() + "homework1/genbrdflut.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT); + VkPipeline pipeline; + VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipeline)); + + // Render + VkClearValue clearValues[1]; + clearValues[0].color = { { 0.0f, 0.0f, 0.0f, 1.0f } }; + + VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo(); + renderPassBeginInfo.renderPass = renderpass; + renderPassBeginInfo.renderArea.extent.width = dim; + renderPassBeginInfo.renderArea.extent.height = dim; + renderPassBeginInfo.clearValueCount = 1; + renderPassBeginInfo.pClearValues = clearValues; + renderPassBeginInfo.framebuffer = framebuffer; + + VkCommandBuffer cmdBuf = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true); + vkCmdBeginRenderPass(cmdBuf, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE); + VkViewport viewport = vks::initializers::viewport((float)dim, (float)dim, 0.0f, 1.0f); + VkRect2D scissor = vks::initializers::rect2D(dim, dim, 0, 0); + vkCmdSetViewport(cmdBuf, 0, 1, &viewport); + vkCmdSetScissor(cmdBuf, 0, 1, &scissor); + vkCmdBindPipeline(cmdBuf, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline); + vkCmdDraw(cmdBuf, 3, 1, 0, 0); + vkCmdEndRenderPass(cmdBuf); + vulkanDevice->flushCommandBuffer(cmdBuf, queue); + + vkQueueWaitIdle(queue); + + vkDestroyPipeline(device, pipeline, nullptr); + vkDestroyPipelineLayout(device, pipelinelayout, nullptr); + vkDestroyRenderPass(device, renderpass, nullptr); + vkDestroyFramebuffer(device, framebuffer, nullptr); + vkDestroyDescriptorSetLayout(device, descriptorsetlayout, nullptr); + vkDestroyDescriptorPool(device, descriptorpool, nullptr); + + auto tEnd = std::chrono::high_resolution_clock::now(); + auto tDiff = std::chrono::duration(tEnd - tStart).count(); + std::cout << "Generating BRDF LUT took " << tDiff << " ms" << std::endl; + } + //----------------------------End Precompute brick------------------------------------------------------------------// +#pragma region pbr render pass setting + + void VulkanExample::createAttachment( + VkFormat format, + VkImageUsageFlagBits usage, + FrameBufferAttachment* attachment, + uint32_t width, + uint32_t height) + { + VkImageAspectFlags aspectMask = 0; + VkImageUsageFlags imageUsage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT; + attachment->format = format; + if (usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) + { + aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + imageUsage |= VK_IMAGE_USAGE_SAMPLED_BIT; + } + if (usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) + { + aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT; + if (format >= VK_FORMAT_D16_UNORM_S8_UINT) + aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT; + } + + assert(aspectMask > 0); + + VkImageCreateInfo image = vks::initializers::imageCreateInfo(); + image.imageType = VK_IMAGE_TYPE_2D; + image.format = format; + image.extent.width = width; + image.extent.height = height; + image.extent.depth = 1; + image.mipLevels = 1; + image.arrayLayers = 1; + image.samples = VK_SAMPLE_COUNT_1_BIT; + image.tiling = VK_IMAGE_TILING_OPTIMAL; + image.usage = imageUsage | usage; + + VkMemoryAllocateInfo memAlloc = vks::initializers::memoryAllocateInfo(); + VkMemoryRequirements memReqs; + + VK_CHECK_RESULT(vkCreateImage(device, &image, nullptr, &attachment->image)); + vkGetImageMemoryRequirements(device, attachment->image, &memReqs); + memAlloc.allocationSize = memReqs.size; + memAlloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT); + VK_CHECK_RESULT(vkAllocateMemory(device, &memAlloc, nullptr, &attachment->deviceMemory)); + VK_CHECK_RESULT(vkBindImageMemory(device, attachment->image, attachment->deviceMemory, 0)); + + VkImageViewCreateInfo imageView = vks::initializers::imageViewCreateInfo(); + imageView.viewType = VK_IMAGE_VIEW_TYPE_2D; + imageView.format = format; + imageView.subresourceRange = {}; + imageView.subresourceRange.aspectMask = aspectMask; + imageView.subresourceRange.baseMipLevel = 0; + imageView.subresourceRange.levelCount = 1; + imageView.subresourceRange.baseArrayLayer = 0; + imageView.subresourceRange.layerCount = 1; + imageView.image = attachment->image; + VK_CHECK_RESULT(vkCreateImageView(device, &imageView, nullptr, &attachment->imageView)); + } + +#pragma endregion + // Prepare and initialize uniform buffer containing shader uniforms + void VulkanExample::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, + &shaderData.buffer, + sizeof(shaderData.values))); + + VK_CHECK_RESULT(vulkanDevice->createBuffer( + VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, + &shaderData.skinSSBO, + sizeof(glm::mat4) * glTFModel.nodeCount)); + + // Map persistent + VK_CHECK_RESULT(shaderData.buffer.map()); + VK_CHECK_RESULT(shaderData.skinSSBO.map()); + + for (auto& material : glTFModel.materials) + { + VK_CHECK_RESULT(vulkanDevice->createBuffer( + VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, + &material.materialData.buffer, + sizeof(VulkanglTFModel::MaterialData::Values), + &material.materialData.values)); + } + + updateUniformBuffers(); + } + + void VulkanExample::updateUniformBuffers() + { + shaderData.values.projection = camera.matrices.perspective; + shaderData.values.model = camera.matrices.view; + shaderData.values.viewPos = camera.viewPos; + shaderData.values.bFlagSet.x = normalMapping; + shaderData.values.bFlagSet.y = pbrEnabled; + memcpy(shaderData.buffer.mapped, &shaderData.values, sizeof(shaderData.values)); + } + + void VulkanExample::prepare() + { + VulkanExampleBase::prepare(); + loadAssets(); + GenerateBRDFLUT(); + GenerateIrradianceCubemap(); + GeneratePrefilteredCubemap(); + prepareUniformBuffers(); + setupDescriptors(); + preparePipelines(); + buildCommandBuffers(); + prepared = true; + } + + void VulkanExample::render() + { + renderFrame(); + if (camera.updated) { + updateUniformBuffers(); + } + if(!paused) + glTFModel.updateAnimation(frameTimer, shaderData.skinSSBO); + } + + void VulkanExample::viewChanged() + { + updateUniformBuffers(); + } + + void VulkanExample::OnUpdateUIOverlay(vks::UIOverlay *overlay) + { + if (overlay->header("Settings")) { + if (overlay->checkBox("Wireframe", &wireframe)) { + buildCommandBuffers(); + } + if (overlay->checkBox("NormalMapping", &normalMapping)) + { + } + if (overlay->checkBox("ToneMapping", &ToneMapping)) + { + CreateToneMappingPipeline(); + } + if (overlay->checkBox("PbrIndirect", &pbrEnabled)) + { + } + } + + if (overlay->header("Animation")) + { + overlay->checkBox("Pause", &paused); + } + + if (overlay->header("file")) + { + if (overlay->button("select model")) + { + GUIFunction guiFunc{}; + + if (guiFunc.openFileFolderDialog()) + { + MessageBoxW(NULL, guiFunc.filePath, L"File Path", MB_OK); + } + else + { + std::cerr << "file select error" << std::endl; + } + } + } + } + + +VULKAN_EXAMPLE_MAIN() diff --git a/src/render/GUIFunction.cpp b/src/render/GUIFunction.cpp index 339b621..2887964 100644 --- a/src/render/GUIFunction.cpp +++ b/src/render/GUIFunction.cpp @@ -18,6 +18,18 @@ bool GUIFunction::openFileFolderDialog() hResult = CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_ALL, IID_IFileOpenDialog, reinterpret_cast(&pFileOpen)); + DWORD fileFormatFlag; + hResult = pFileOpen->GetOptions(&fileFormatFlag); + hResult = pFileOpen->SetOptions(fileFormatFlag | FOS_FORCEFILESYSTEM); + + COMDLG_FILTERSPEC fileType[] = + { + {L"gltf model files",L"*.gltf*"}, + {L"gltf model files",L"*.GLTF*"}, + + }; + hResult = pFileOpen->SetFileTypes(ARRAYSIZE(fileType), fileType); + hResult = pFileOpen->SetFileTypeIndex(0); if (SUCCEEDED(hResult)) { // Show the Open dialog box. diff --git a/src/render/GUIFunction.h b/src/render/GUIFunction.h index 5ee9c71..9227593 100644 --- a/src/render/GUIFunction.h +++ b/src/render/GUIFunction.h @@ -11,6 +11,7 @@ public: PWSTR filePath; + bool newModelFile; bool openFileFolderDialog(); diff --git a/src/render/render.cpp b/src/render/render.cpp index 3f7a62b..f7dac2b 100644 --- a/src/render/render.cpp +++ b/src/render/render.cpp @@ -1646,10 +1646,12 @@ { } } + if (overlay->header("Animation")) { overlay->checkBox("Pause", &paused); } + if (overlay->header("file")) { if (overlay->button("select model")) @@ -1658,7 +1660,7 @@ if (guiFunc.openFileFolderDialog()) { - std::cout << guiFunc.filePath << std::endl; + MessageBoxW(NULL, guiFunc.filePath, L"File Path", MB_OK); } else {