Moved example source files into sub folder
This commit is contained in:
saschawillems
parent
a17e3924b3
commit
94a076e1ae
69 changed files with 685 additions and 164 deletions
735
examples/texturecubemap/texturecubemap.cpp
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735
examples/texturecubemap/texturecubemap.cpp
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/*
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* Vulkan Example - Cube map texture loading and displaying
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*
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* Copyright (C) 2016 by Sascha Willems - www.saschawillems.de
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*
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* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <vector>
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#define GLM_FORCE_RADIANS
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#define GLM_FORCE_DEPTH_ZERO_TO_ONE
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <gli/gli.hpp>
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#include <vulkan/vulkan.h>
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#include "vulkanexamplebase.h"
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#include "VulkanBuffer.hpp"
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#include "VulkanTexture.hpp"
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#include "VulkanModel.hpp"
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#define VERTEX_BUFFER_BIND_ID 0
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#define ENABLE_VALIDATION false
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class VulkanExample : public VulkanExampleBase
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{
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public:
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bool displaySkybox = true;
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vks::Texture cubeMap;
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struct {
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VkPipelineVertexInputStateCreateInfo inputState;
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std::vector<VkVertexInputBindingDescription> bindingDescriptions;
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std::vector<VkVertexInputAttributeDescription> attributeDescriptions;
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} vertices;
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// Vertex layout for the models
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vks::VertexLayout vertexLayout = vks::VertexLayout({
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vks::VERTEX_COMPONENT_POSITION,
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vks::VERTEX_COMPONENT_NORMAL,
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vks::VERTEX_COMPONENT_UV,
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});
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struct Meshes {
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vks::Model skybox;
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std::vector<vks::Model> objects;
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int32_t objectIndex = 0;
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} models;
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struct {
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vks::Buffer object;
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vks::Buffer skybox;
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} uniformBuffers;
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struct UBOVS {
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glm::mat4 projection;
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glm::mat4 model;
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float lodBias = 0.0f;
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} uboVS;
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struct {
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VkPipeline skybox;
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VkPipeline reflect;
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} pipelines;
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struct {
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VkDescriptorSet object;
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VkDescriptorSet skybox;
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} descriptorSets;
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VkPipelineLayout pipelineLayout;
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VkDescriptorSetLayout descriptorSetLayout;
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std::vector<std::string> objectNames;
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VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
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{
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zoom = -4.0f;
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rotationSpeed = 0.25f;
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rotation = { -7.25f, -120.0f, 0.0f };
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title = "Cube map textures";
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settings.overlay = true;
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}
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~VulkanExample()
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{
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// Clean up used Vulkan resources
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// Note : Inherited destructor cleans up resources stored in base class
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// Clean up texture resources
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vkDestroyImageView(device, cubeMap.view, nullptr);
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vkDestroyImage(device, cubeMap.image, nullptr);
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vkDestroySampler(device, cubeMap.sampler, nullptr);
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vkFreeMemory(device, cubeMap.deviceMemory, nullptr);
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vkDestroyPipeline(device, pipelines.skybox, nullptr);
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vkDestroyPipeline(device, pipelines.reflect, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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for (auto& model : models.objects) {
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model.destroy();
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}
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models.skybox.destroy();
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uniformBuffers.object.destroy();
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uniformBuffers.skybox.destroy();
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}
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void loadCubemap(std::string filename, VkFormat format, bool forceLinearTiling)
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{
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#if defined(__ANDROID__)
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// Textures are stored inside the apk on Android (compressed)
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// So they need to be loaded via the asset manager
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AAsset* asset = AAssetManager_open(androidApp->activity->assetManager, filename.c_str(), AASSET_MODE_STREAMING);
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assert(asset);
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size_t size = AAsset_getLength(asset);
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assert(size > 0);
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void *textureData = malloc(size);
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AAsset_read(asset, textureData, size);
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AAsset_close(asset);
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gli::texture_cube texCube(gli::load((const char*)textureData, size));
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#else
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gli::texture_cube texCube(gli::load(filename));
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#endif
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assert(!texCube.empty());
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cubeMap.width = texCube.extent().x;
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cubeMap.height = texCube.extent().y;
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cubeMap.mipLevels = texCube.levels();
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VkMemoryAllocateInfo memAllocInfo = vks::initializers::memoryAllocateInfo();
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VkMemoryRequirements memReqs;
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// Create a host-visible staging buffer that contains the raw image data
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VkBuffer stagingBuffer;
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VkDeviceMemory stagingMemory;
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VkBufferCreateInfo bufferCreateInfo = vks::initializers::bufferCreateInfo();
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bufferCreateInfo.size = texCube.size();
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// This buffer is used as a transfer source for the buffer copy
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bufferCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
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bufferCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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VK_CHECK_RESULT(vkCreateBuffer(device, &bufferCreateInfo, nullptr, &stagingBuffer));
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// Get memory requirements for the staging buffer (alignment, memory type bits)
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vkGetBufferMemoryRequirements(device, stagingBuffer, &memReqs);
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memAllocInfo.allocationSize = memReqs.size;
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// Get memory type index for a host visible buffer
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memAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
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VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &stagingMemory));
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VK_CHECK_RESULT(vkBindBufferMemory(device, stagingBuffer, stagingMemory, 0));
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// Copy texture data into staging buffer
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uint8_t *data;
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VK_CHECK_RESULT(vkMapMemory(device, stagingMemory, 0, memReqs.size, 0, (void **)&data));
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memcpy(data, texCube.data(), texCube.size());
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vkUnmapMemory(device, stagingMemory);
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// Create optimal tiled target image
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VkImageCreateInfo imageCreateInfo = vks::initializers::imageCreateInfo();
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imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
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imageCreateInfo.format = format;
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imageCreateInfo.mipLevels = cubeMap.mipLevels;
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imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
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imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
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imageCreateInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT;
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imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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imageCreateInfo.extent = { cubeMap.width, cubeMap.height, 1 };
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imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
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// Cube faces count as array layers in Vulkan
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imageCreateInfo.arrayLayers = 6;
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// This flag is required for cube map images
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imageCreateInfo.flags = VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT;
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VK_CHECK_RESULT(vkCreateImage(device, &imageCreateInfo, nullptr, &cubeMap.image));
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vkGetImageMemoryRequirements(device, cubeMap.image, &memReqs);
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memAllocInfo.allocationSize = memReqs.size;
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memAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &cubeMap.deviceMemory));
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VK_CHECK_RESULT(vkBindImageMemory(device, cubeMap.image, cubeMap.deviceMemory, 0));
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VkCommandBuffer copyCmd = VulkanExampleBase::createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
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// Setup buffer copy regions for each face including all of it's miplevels
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std::vector<VkBufferImageCopy> bufferCopyRegions;
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uint32_t offset = 0;
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for (uint32_t face = 0; face < 6; face++)
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{
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for (uint32_t level = 0; level < cubeMap.mipLevels; level++)
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{
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VkBufferImageCopy bufferCopyRegion = {};
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bufferCopyRegion.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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bufferCopyRegion.imageSubresource.mipLevel = level;
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bufferCopyRegion.imageSubresource.baseArrayLayer = face;
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bufferCopyRegion.imageSubresource.layerCount = 1;
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bufferCopyRegion.imageExtent.width = texCube[face][level].extent().x;
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bufferCopyRegion.imageExtent.height = texCube[face][level].extent().y;
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bufferCopyRegion.imageExtent.depth = 1;
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bufferCopyRegion.bufferOffset = offset;
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bufferCopyRegions.push_back(bufferCopyRegion);
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// Increase offset into staging buffer for next level / face
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offset += texCube[face][level].size();
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}
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}
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// Image barrier for optimal image (target)
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// Set initial layout for all array layers (faces) of the optimal (target) tiled texture
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VkImageSubresourceRange subresourceRange = {};
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subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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subresourceRange.baseMipLevel = 0;
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subresourceRange.levelCount = cubeMap.mipLevels;
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subresourceRange.layerCount = 6;
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vks::tools::setImageLayout(
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copyCmd,
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cubeMap.image,
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VK_IMAGE_LAYOUT_UNDEFINED,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
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subresourceRange);
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// Copy the cube map faces from the staging buffer to the optimal tiled image
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vkCmdCopyBufferToImage(
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copyCmd,
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stagingBuffer,
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cubeMap.image,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
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static_cast<uint32_t>(bufferCopyRegions.size()),
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bufferCopyRegions.data()
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);
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// Change texture image layout to shader read after all faces have been copied
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cubeMap.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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vks::tools::setImageLayout(
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copyCmd,
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cubeMap.image,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
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cubeMap.imageLayout,
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subresourceRange);
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VulkanExampleBase::flushCommandBuffer(copyCmd, queue, true);
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// Create sampler
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VkSamplerCreateInfo sampler = vks::initializers::samplerCreateInfo();
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sampler.magFilter = VK_FILTER_LINEAR;
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sampler.minFilter = VK_FILTER_LINEAR;
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sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
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sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
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sampler.addressModeV = sampler.addressModeU;
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sampler.addressModeW = sampler.addressModeU;
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sampler.mipLodBias = 0.0f;
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sampler.compareOp = VK_COMPARE_OP_NEVER;
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sampler.minLod = 0.0f;
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sampler.maxLod = cubeMap.mipLevels;
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sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
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sampler.maxAnisotropy = 1.0f;
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if (vulkanDevice->features.samplerAnisotropy)
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{
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sampler.maxAnisotropy = vulkanDevice->properties.limits.maxSamplerAnisotropy;
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sampler.anisotropyEnable = VK_TRUE;
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}
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VK_CHECK_RESULT(vkCreateSampler(device, &sampler, nullptr, &cubeMap.sampler));
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// Create image view
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VkImageViewCreateInfo view = vks::initializers::imageViewCreateInfo();
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// Cube map view type
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view.viewType = VK_IMAGE_VIEW_TYPE_CUBE;
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view.format = format;
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view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
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view.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
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// 6 array layers (faces)
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view.subresourceRange.layerCount = 6;
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// Set number of mip levels
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view.subresourceRange.levelCount = cubeMap.mipLevels;
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view.image = cubeMap.image;
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VK_CHECK_RESULT(vkCreateImageView(device, &view, nullptr, &cubeMap.view));
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// Clean up staging resources
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vkFreeMemory(device, stagingMemory, nullptr);
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vkDestroyBuffer(device, stagingBuffer, nullptr);
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}
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void loadTextures()
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{
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// Vulkan core supports three different compressed texture formats
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// As the support differs between implemementations we need to check device features and select a proper format and file
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std::string filename;
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VkFormat format;
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if (deviceFeatures.textureCompressionBC) {
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filename = "cubemap_yokohama_bc3_unorm.ktx";
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format = VK_FORMAT_BC2_UNORM_BLOCK;
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}
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else if (deviceFeatures.textureCompressionASTC_LDR) {
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filename = "cubemap_yokohama_astc_8x8_unorm.ktx";
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format = VK_FORMAT_ASTC_8x8_UNORM_BLOCK;
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}
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else if (deviceFeatures.textureCompressionETC2) {
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filename = "cubemap_yokohama_etc2_unorm.ktx";
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format = VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK;
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}
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else {
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vks::tools::exitFatal("Device does not support any compressed texture format!", "Error");
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}
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loadCubemap(getAssetPath() + "textures/" + filename, format, false);
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}
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void buildCommandBuffers()
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{
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VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
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VkClearValue clearValues[2];
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clearValues[0].color = defaultClearColor;
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clearValues[1].depthStencil = { 1.0f, 0 };
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VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
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renderPassBeginInfo.renderPass = renderPass;
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renderPassBeginInfo.renderArea.offset.x = 0;
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renderPassBeginInfo.renderArea.offset.y = 0;
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renderPassBeginInfo.renderArea.extent.width = width;
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renderPassBeginInfo.renderArea.extent.height = height;
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renderPassBeginInfo.clearValueCount = 2;
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renderPassBeginInfo.pClearValues = clearValues;
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for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
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{
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// Set target frame buffer
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renderPassBeginInfo.framebuffer = frameBuffers[i];
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VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
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vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
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VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
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vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
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VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
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vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
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VkDeviceSize offsets[1] = { 0 };
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// Skybox
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if (displaySkybox)
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{
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vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSets.skybox, 0, NULL);
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vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &models.skybox.vertices.buffer, offsets);
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vkCmdBindIndexBuffer(drawCmdBuffers[i], models.skybox.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.skybox);
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vkCmdDrawIndexed(drawCmdBuffers[i], models.skybox.indexCount, 1, 0, 0, 0);
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}
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// 3D object
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vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSets.object, 0, NULL);
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vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &models.objects[models.objectIndex].vertices.buffer, offsets);
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vkCmdBindIndexBuffer(drawCmdBuffers[i], models.objects[models.objectIndex].indices.buffer, 0, VK_INDEX_TYPE_UINT32);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.reflect);
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vkCmdDrawIndexed(drawCmdBuffers[i], models.objects[models.objectIndex].indexCount, 1, 0, 0, 0);
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vkCmdEndRenderPass(drawCmdBuffers[i]);
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VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
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}
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}
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void loadAssets()
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{
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// Skybox
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models.skybox.loadFromFile(getAssetPath() + "models/cube.obj", vertexLayout, 0.05f, vulkanDevice, queue);
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// Objects
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std::vector<std::string> filenames = { "sphere.obj", "teapot.dae", "torusknot.obj", "venus.fbx" };
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objectNames = { "Sphere", "Teapot", "Torusknot", "Venus" };
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for (auto file : filenames) {
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vks::Model model;
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model.loadFromFile(getAssetPath() + "models/" + file, vertexLayout, 0.05f * (file == "venus.fbx" ? 3.0f : 1.0f), vulkanDevice, queue);
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models.objects.push_back(model);
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}
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}
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void setupVertexDescriptions()
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{
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// Binding description
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vertices.bindingDescriptions.resize(1);
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vertices.bindingDescriptions[0] =
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vks::initializers::vertexInputBindingDescription(
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VERTEX_BUFFER_BIND_ID,
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vertexLayout.stride(),
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VK_VERTEX_INPUT_RATE_VERTEX);
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// Attribute descriptions
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// Describes memory layout and shader positions
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vertices.attributeDescriptions.resize(3);
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// Location 0 : Position
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vertices.attributeDescriptions[0] =
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vks::initializers::vertexInputAttributeDescription(
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VERTEX_BUFFER_BIND_ID,
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0,
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VK_FORMAT_R32G32B32_SFLOAT,
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||||
0);
|
||||
// Location 1 : Normal
|
||||
vertices.attributeDescriptions[1] =
|
||||
vks::initializers::vertexInputAttributeDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
1,
|
||||
VK_FORMAT_R32G32B32_SFLOAT,
|
||||
sizeof(float) * 3);
|
||||
// Location 2 : Texture coordinates
|
||||
vertices.attributeDescriptions[2] =
|
||||
vks::initializers::vertexInputAttributeDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
2,
|
||||
VK_FORMAT_R32G32_SFLOAT,
|
||||
sizeof(float) * 5);
|
||||
|
||||
vertices.inputState = vks::initializers::pipelineVertexInputStateCreateInfo();
|
||||
vertices.inputState.vertexBindingDescriptionCount = vertices.bindingDescriptions.size();
|
||||
vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
|
||||
vertices.inputState.vertexAttributeDescriptionCount = vertices.attributeDescriptions.size();
|
||||
vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
|
||||
}
|
||||
|
||||
void setupDescriptorPool()
|
||||
{
|
||||
std::vector<VkDescriptorPoolSize> poolSizes =
|
||||
{
|
||||
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 2),
|
||||
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 2)
|
||||
};
|
||||
|
||||
VkDescriptorPoolCreateInfo descriptorPoolInfo =
|
||||
vks::initializers::descriptorPoolCreateInfo(
|
||||
poolSizes.size(),
|
||||
poolSizes.data(),
|
||||
2);
|
||||
|
||||
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
|
||||
}
|
||||
|
||||
void setupDescriptorSetLayout()
|
||||
{
|
||||
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings =
|
||||
{
|
||||
// Binding 0 : Vertex shader uniform buffer
|
||||
vks::initializers::descriptorSetLayoutBinding(
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
VK_SHADER_STAGE_VERTEX_BIT,
|
||||
0),
|
||||
// Binding 1 : Fragment shader image sampler
|
||||
vks::initializers::descriptorSetLayoutBinding(
|
||||
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
||||
VK_SHADER_STAGE_FRAGMENT_BIT,
|
||||
1)
|
||||
};
|
||||
|
||||
VkDescriptorSetLayoutCreateInfo descriptorLayout =
|
||||
vks::initializers::descriptorSetLayoutCreateInfo(
|
||||
setLayoutBindings.data(),
|
||||
setLayoutBindings.size());
|
||||
|
||||
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
|
||||
|
||||
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
|
||||
vks::initializers::pipelineLayoutCreateInfo(
|
||||
&descriptorSetLayout,
|
||||
1);
|
||||
|
||||
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
|
||||
}
|
||||
|
||||
void setupDescriptorSets()
|
||||
{
|
||||
// Image descriptor for the cube map texture
|
||||
VkDescriptorImageInfo textureDescriptor =
|
||||
vks::initializers::descriptorImageInfo(
|
||||
cubeMap.sampler,
|
||||
cubeMap.view,
|
||||
cubeMap.imageLayout);
|
||||
|
||||
VkDescriptorSetAllocateInfo allocInfo =
|
||||
vks::initializers::descriptorSetAllocateInfo(
|
||||
descriptorPool,
|
||||
&descriptorSetLayout,
|
||||
1);
|
||||
|
||||
// 3D object descriptor set
|
||||
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.object));
|
||||
|
||||
std::vector<VkWriteDescriptorSet> writeDescriptorSets =
|
||||
{
|
||||
// Binding 0 : Vertex shader uniform buffer
|
||||
vks::initializers::writeDescriptorSet(
|
||||
descriptorSets.object,
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
0,
|
||||
&uniformBuffers.object.descriptor),
|
||||
// Binding 1 : Fragment shader cubemap sampler
|
||||
vks::initializers::writeDescriptorSet(
|
||||
descriptorSets.object,
|
||||
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
||||
1,
|
||||
&textureDescriptor)
|
||||
};
|
||||
vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
|
||||
|
||||
// Sky box descriptor set
|
||||
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.skybox));
|
||||
|
||||
writeDescriptorSets =
|
||||
{
|
||||
// Binding 0 : Vertex shader uniform buffer
|
||||
vks::initializers::writeDescriptorSet(
|
||||
descriptorSets.skybox,
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
0,
|
||||
&uniformBuffers.skybox.descriptor),
|
||||
// Binding 1 : Fragment shader cubemap sampler
|
||||
vks::initializers::writeDescriptorSet(
|
||||
descriptorSets.skybox,
|
||||
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
||||
1,
|
||||
&textureDescriptor)
|
||||
};
|
||||
vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
|
||||
}
|
||||
|
||||
void preparePipelines()
|
||||
{
|
||||
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
|
||||
vks::initializers::pipelineInputAssemblyStateCreateInfo(
|
||||
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
|
||||
0,
|
||||
VK_FALSE);
|
||||
|
||||
VkPipelineRasterizationStateCreateInfo rasterizationState =
|
||||
vks::initializers::pipelineRasterizationStateCreateInfo(
|
||||
VK_POLYGON_MODE_FILL,
|
||||
VK_CULL_MODE_BACK_BIT,
|
||||
VK_FRONT_FACE_COUNTER_CLOCKWISE,
|
||||
0);
|
||||
|
||||
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, 0);
|
||||
|
||||
VkPipelineMultisampleStateCreateInfo multisampleState =
|
||||
vks::initializers::pipelineMultisampleStateCreateInfo(
|
||||
VK_SAMPLE_COUNT_1_BIT,
|
||||
0);
|
||||
|
||||
std::vector<VkDynamicState> dynamicStateEnables = {
|
||||
VK_DYNAMIC_STATE_VIEWPORT,
|
||||
VK_DYNAMIC_STATE_SCISSOR
|
||||
};
|
||||
VkPipelineDynamicStateCreateInfo dynamicState =
|
||||
vks::initializers::pipelineDynamicStateCreateInfo(
|
||||
dynamicStateEnables.data(),
|
||||
dynamicStateEnables.size(),
|
||||
0);
|
||||
|
||||
// Skybox pipeline (background cube)
|
||||
std::array<VkPipelineShaderStageCreateInfo,2> shaderStages;
|
||||
|
||||
shaderStages[0] = loadShader(getAssetPath() + "shaders/cubemap/skybox.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
||||
shaderStages[1] = loadShader(getAssetPath() + "shaders/cubemap/skybox.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
|
||||
VkGraphicsPipelineCreateInfo pipelineCreateInfo =
|
||||
vks::initializers::pipelineCreateInfo(
|
||||
pipelineLayout,
|
||||
renderPass,
|
||||
0);
|
||||
|
||||
pipelineCreateInfo.pVertexInputState = &vertices.inputState;
|
||||
pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
|
||||
pipelineCreateInfo.pRasterizationState = &rasterizationState;
|
||||
pipelineCreateInfo.pColorBlendState = &colorBlendState;
|
||||
pipelineCreateInfo.pMultisampleState = &multisampleState;
|
||||
pipelineCreateInfo.pViewportState = &viewportState;
|
||||
pipelineCreateInfo.pDepthStencilState = &depthStencilState;
|
||||
pipelineCreateInfo.pDynamicState = &dynamicState;
|
||||
pipelineCreateInfo.stageCount = shaderStages.size();
|
||||
pipelineCreateInfo.pStages = shaderStages.data();
|
||||
|
||||
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.skybox));
|
||||
|
||||
// Cube map reflect pipeline
|
||||
shaderStages[0] = loadShader(getAssetPath() + "shaders/cubemap/reflect.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
||||
shaderStages[1] = loadShader(getAssetPath() + "shaders/cubemap/reflect.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
// Enable depth test and write
|
||||
depthStencilState.depthWriteEnable = VK_TRUE;
|
||||
depthStencilState.depthTestEnable = VK_TRUE;
|
||||
// Flip cull mode
|
||||
rasterizationState.cullMode = VK_CULL_MODE_FRONT_BIT;
|
||||
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.reflect));
|
||||
}
|
||||
|
||||
// Prepare and initialize uniform buffer containing shader uniforms
|
||||
void prepareUniformBuffers()
|
||||
{
|
||||
// Objact vertex shader uniform buffer
|
||||
VK_CHECK_RESULT(vulkanDevice->createBuffer(
|
||||
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
|
||||
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
|
||||
&uniformBuffers.object,
|
||||
sizeof(uboVS)));
|
||||
|
||||
// Skybox vertex shader uniform buffer
|
||||
VK_CHECK_RESULT(vulkanDevice->createBuffer(
|
||||
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
|
||||
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
|
||||
&uniformBuffers.skybox,
|
||||
sizeof(uboVS)));
|
||||
|
||||
// Map persistent
|
||||
VK_CHECK_RESULT(uniformBuffers.object.map());
|
||||
VK_CHECK_RESULT(uniformBuffers.skybox.map());
|
||||
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
void updateUniformBuffers()
|
||||
{
|
||||
// 3D object
|
||||
glm::mat4 viewMatrix = glm::mat4(1.0f);
|
||||
uboVS.projection = glm::perspective(glm::radians(60.0f), (float)width / (float)height, 0.001f, 256.0f);
|
||||
viewMatrix = glm::translate(viewMatrix, glm::vec3(0.0f, 0.0f, zoom));
|
||||
|
||||
uboVS.model = glm::mat4(1.0f);
|
||||
uboVS.model = viewMatrix * glm::translate(uboVS.model, cameraPos);
|
||||
uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
|
||||
uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
|
||||
uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
|
||||
|
||||
memcpy(uniformBuffers.object.mapped, &uboVS, sizeof(uboVS));
|
||||
|
||||
// Skybox
|
||||
viewMatrix = glm::mat4(1.0f);
|
||||
uboVS.projection = glm::perspective(glm::radians(60.0f), (float)width / (float)height, 0.001f, 256.0f);
|
||||
|
||||
uboVS.model = glm::mat4(1.0f);
|
||||
uboVS.model = viewMatrix * glm::translate(uboVS.model, glm::vec3(0, 0, 0));
|
||||
uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
|
||||
uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
|
||||
uboVS.model = glm::rotate(uboVS.model, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
|
||||
|
||||
memcpy(uniformBuffers.skybox.mapped, &uboVS, sizeof(uboVS));
|
||||
}
|
||||
|
||||
void draw()
|
||||
{
|
||||
VulkanExampleBase::prepareFrame();
|
||||
|
||||
submitInfo.commandBufferCount = 1;
|
||||
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
|
||||
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
|
||||
|
||||
VulkanExampleBase::submitFrame();
|
||||
}
|
||||
|
||||
void prepare()
|
||||
{
|
||||
VulkanExampleBase::prepare();
|
||||
loadTextures();
|
||||
loadAssets();
|
||||
setupVertexDescriptions();
|
||||
prepareUniformBuffers();
|
||||
setupDescriptorSetLayout();
|
||||
preparePipelines();
|
||||
setupDescriptorPool();
|
||||
setupDescriptorSets();
|
||||
buildCommandBuffers();
|
||||
prepared = true;
|
||||
}
|
||||
|
||||
virtual void render()
|
||||
{
|
||||
if (!prepared)
|
||||
return;
|
||||
draw();
|
||||
}
|
||||
|
||||
virtual void viewChanged()
|
||||
{
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
|
||||
{
|
||||
if (overlay->header("Settings")) {
|
||||
if (overlay->sliderFloat("LOD bias", &uboVS.lodBias, 0.0f, (float)cubeMap.mipLevels)) {
|
||||
updateUniformBuffers();
|
||||
}
|
||||
if (overlay->comboBox("Object type", &models.objectIndex, objectNames)) {
|
||||
buildCommandBuffers();
|
||||
}
|
||||
if (overlay->checkBox("Skybox", &displaySkybox)) {
|
||||
buildCommandBuffers();
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
VULKAN_EXAMPLE_MAIN()
|
||||
Loading…
Add table
Add a link
Reference in a new issue