Started work on sparsely bound partially resident texture example
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texturesparseresidency/texturesparseresidency.cpp
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texturesparseresidency/texturesparseresidency.cpp
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/*
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* Vulkan Example - Sparse texture residency example
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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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/*
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todos:
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- check sparse binding support on queue
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- residencyNonResidentStrict
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- meta data
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- Run-time image data upload
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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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#include <algorithm>
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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 <vulkan/vulkan.h>
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#include "vulkanexamplebase.h"
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#include "vulkandevice.hpp"
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#include "vulkanbuffer.hpp"
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#define VERTEX_BUFFER_BIND_ID 0
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#define ENABLE_VALIDATION false
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// Vertex layout for this example
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struct Vertex {
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float pos[3];
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float uv[2];
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float normal[3];
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};
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class VulkanExample : public VulkanExampleBase
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{
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public:
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//todo: comments
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struct SparseTexture {
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VkSampler sampler;
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VkImage image;
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VkImageLayout imageLayout;
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VkImageView view;
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VkDescriptorImageInfo descriptor;
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VkFormat format;
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uint32_t width, height;
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uint32_t mipLevels;
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uint32_t layerCount;
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std::vector<VkSparseImageMemoryBind> residencyMemoryBinds; // Sparse image mempory bindings for the resident part of the image
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std::vector<VkSparseMemoryBind> opaqueMemoryBinds; // Sparse memory bindings for the mip tail (if present)
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VkSparseImageMemoryBindInfo imageMemoryBindInfo; // Bind info for queue
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VkSparseImageOpaqueMemoryBindInfo opaqueMemoryBindInfo; // Opaque bind info for queue
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} texture;
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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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vk::Buffer vertexBuffer;
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vk::Buffer indexBuffer;
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uint32_t indexCount;
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vk::Buffer uniformBufferVS;
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struct UboVS {
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glm::mat4 projection;
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glm::mat4 model;
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glm::vec4 viewPos;
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float lodBias = 0.0f;
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} uboVS;
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struct {
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VkPipeline solid;
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} pipelines;
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VkPipelineLayout pipelineLayout;
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VkDescriptorSet descriptorSet;
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VkDescriptorSetLayout descriptorSetLayout;
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//todo: comment
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VkBindSparseInfo bindSparseInfo;
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VkSemaphore bindSparseSemaphore = VK_NULL_HANDLE;
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// Device features to be enabled for this example
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static VkPhysicalDeviceFeatures getEnabledFeatures()
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{
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VkPhysicalDeviceFeatures enabledFeatures = {};
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enabledFeatures.shaderResourceResidency = VK_TRUE;
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return enabledFeatures;
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}
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VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION, getEnabledFeatures)
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{
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zoom = -2.5f;
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rotation = { 0.0f, 15.0f, 0.0f };
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title = "Vulkan Example - Sparse textures residency";
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enableTextOverlay = true;
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std::cout.imbue(std::locale(""));
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//todo: check if GPU supports sparse binding feature
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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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destroyTextureImage(texture);
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vkDestroySemaphore(device, bindSparseSemaphore, nullptr);
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vkDestroyPipeline(device, pipelines.solid, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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vertexBuffer.destroy();
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indexBuffer.destroy();
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uniformBufferVS.destroy();
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}
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// Create an image memory barrier for changing the layout of
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// an image and put it into an active command buffer
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void setImageLayout(VkCommandBuffer cmdBuffer, VkImage image, VkImageAspectFlags aspectMask, VkImageLayout oldImageLayout, VkImageLayout newImageLayout, VkImageSubresourceRange subresourceRange)
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{
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// Create an image barrier object
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VkImageMemoryBarrier imageMemoryBarrier = vkTools::initializers::imageMemoryBarrier();;
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imageMemoryBarrier.oldLayout = oldImageLayout;
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imageMemoryBarrier.newLayout = newImageLayout;
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imageMemoryBarrier.image = image;
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imageMemoryBarrier.subresourceRange = subresourceRange;
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// Only sets masks for layouts used in this example
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// For a more complete version that can be used with other layouts see vkTools::setImageLayout
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// Source layouts (old)
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switch (oldImageLayout)
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{
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case VK_IMAGE_LAYOUT_UNDEFINED:
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// Only valid as initial layout, memory contents are not preserved
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// Can be accessed directly, no source dependency required
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imageMemoryBarrier.srcAccessMask = 0;
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break;
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case VK_IMAGE_LAYOUT_PREINITIALIZED:
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// Only valid as initial layout for linear images, preserves memory contents
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// Make sure host writes to the image have been finished
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imageMemoryBarrier.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT;
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break;
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case VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL:
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// Old layout is transfer destination
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// Make sure any writes to the image have been finished
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imageMemoryBarrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
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break;
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}
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// Target layouts (new)
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switch (newImageLayout)
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{
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case VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL:
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// Transfer source (copy, blit)
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// Make sure any reads from the image have been finished
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imageMemoryBarrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
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break;
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case VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL:
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// Transfer destination (copy, blit)
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// Make sure any writes to the image have been finished
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imageMemoryBarrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
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break;
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case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL:
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// Shader read (sampler, input attachment)
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imageMemoryBarrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
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break;
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}
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// Put barrier on top of pipeline
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VkPipelineStageFlags srcStageFlags = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
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VkPipelineStageFlags destStageFlags = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
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// Put barrier inside setup command buffer
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vkCmdPipelineBarrier(
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cmdBuffer,
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srcStageFlags,
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destStageFlags,
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VK_FLAGS_NONE,
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0, nullptr,
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0, nullptr,
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1, &imageMemoryBarrier);
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}
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glm::uvec3 alignedDivision(const VkExtent3D& extent, const VkExtent3D& granularity)
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{
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glm::uvec3 res;
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res.x = extent.width / granularity.width + ((extent.width % granularity.width) ? 1u : 0u);
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res.y = extent.height / granularity.height + ((extent.height % granularity.height) ? 1u : 0u);
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res.z = extent.depth / granularity.depth + ((extent.depth % granularity.depth) ? 1u : 0u);
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return res;
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}
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void prepareSparseTexture(uint32_t width, uint32_t height, uint32_t layerCount, VkFormat format)
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{
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texture.width = width;
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texture.height = height;
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//texture.mipLevels = floor(log2(std::max(width, height))) + 1; //todo
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texture.mipLevels = 1;
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texture.layerCount = layerCount;
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texture.format = format;
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// Get device properites for the requested texture format
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VkFormatProperties formatProperties;
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vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
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// Get sparse image properties
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std::vector<VkSparseImageFormatProperties> sparseProperties(32);
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// Sparse properties count for the desired format
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uint32_t sparsePropertiesCount;
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// todo: Temporary workaround, crashes in NV driver if last param is nullptr (to get just count)
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vkGetPhysicalDeviceSparseImageFormatProperties(
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physicalDevice,
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format,
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VK_IMAGE_TYPE_2D,
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VK_SAMPLE_COUNT_1_BIT,
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VK_IMAGE_USAGE_SAMPLED_BIT,
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VK_IMAGE_TILING_OPTIMAL,
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&sparsePropertiesCount,
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sparseProperties.data());
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sparseProperties.resize(sparsePropertiesCount);
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// Check if sparse is supported for this format
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if (sparsePropertiesCount == 0)
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{
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std::cout << "Error: Requested format does not support sparse features!" << std::endl;
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return;
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}
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std::cout << "Sparse image format properties: " << sparsePropertiesCount << std::endl;
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for (auto props : sparseProperties)
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{
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std::cout << "\t Image granularity: w = " << props.imageGranularity.width << " h = " << props.imageGranularity.height << " d = " << props.imageGranularity.depth << std::endl;
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std::cout << "\t Aspect mask: " << props.aspectMask << std::endl;
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std::cout << "\t Flags: " << props.flags << std::endl;
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}
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// Create sparse image
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VkImageCreateInfo sparseImageCreateInfo = vkTools::initializers::imageCreateInfo();
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sparseImageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
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sparseImageCreateInfo.format = texture.format;
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sparseImageCreateInfo.mipLevels = texture.mipLevels;
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sparseImageCreateInfo.arrayLayers = texture.layerCount;
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sparseImageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
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sparseImageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
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sparseImageCreateInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT;
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sparseImageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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sparseImageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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sparseImageCreateInfo.extent = { texture.width, texture.height, 1 };
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sparseImageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
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sparseImageCreateInfo.flags = VK_IMAGE_CREATE_SPARSE_BINDING_BIT | VK_IMAGE_CREATE_SPARSE_RESIDENCY_BIT;
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VK_CHECK_RESULT(vkCreateImage(device, &sparseImageCreateInfo, nullptr, &texture.image));
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// Get memory requirements
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VkMemoryRequirements sparseImageMemoryReqs;
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vkGetImageMemoryRequirements(device, texture.image, &sparseImageMemoryReqs);
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std::cout << "Image memory requirements:" << std::endl;
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std::cout << "\t Size: " << sparseImageMemoryReqs.size << std::endl;
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std::cout << "\t Alignment: " << sparseImageMemoryReqs.alignment << std::endl;
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// Check requested image size against hardware sparse limit
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if (sparseImageMemoryReqs.size > vulkanDevice->properties.limits.sparseAddressSpaceSize)
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{
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std::cout << "Error: Requested sparse image size exceeds supportes sparse address space size!" << std::endl;
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return;
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};
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// Get sparse memory requirements
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uint32_t sparseMemoryReqsCount;
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std::vector<VkSparseImageMemoryRequirements> sparseMemoryReqs(32);
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// todo: Temporary workaround, crashes in NV driver if last param is nullptr (to get just count)
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vkGetImageSparseMemoryRequirements(device, texture.image, &sparseMemoryReqsCount, sparseMemoryReqs.data());
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if (sparseMemoryReqsCount == 0)
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{
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std::cout << "Error: No memory requirements for the sparse image!" << std::endl;
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return;
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}
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sparseMemoryReqs.resize(sparseMemoryReqsCount);
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std::cout << "Sparse image memory requirements: " << sparseMemoryReqsCount << std::endl;
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for (auto reqs : sparseMemoryReqs)
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{
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std::cout << "\t Image granularity: w = " << reqs.formatProperties.imageGranularity.width << " h = " << reqs.formatProperties.imageGranularity.height << " d = " << reqs.formatProperties.imageGranularity.depth << std::endl;
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std::cout << "\t Mip tail first LOD: " << reqs.imageMipTailFirstLod << std::endl;
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std::cout << "\t Mip tail size: " << reqs.imageMipTailSize << std::endl;
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std::cout << "\t Mip tail offset: " << reqs.imageMipTailOffset << std::endl;
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std::cout << "\t Mip tail stride: " << reqs.imageMipTailStride << std::endl;
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}
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// Get sparse image requirements for the color aspect
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VkSparseImageMemoryRequirements sparseMemoryReq;
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bool colorAspectFound = false;
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for (auto reqs : sparseMemoryReqs)
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{
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if (reqs.formatProperties.aspectMask & VK_IMAGE_ASPECT_COLOR_BIT)
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{
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sparseMemoryReq = reqs;
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colorAspectFound = true;
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break;
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}
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}
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if (!colorAspectFound)
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{
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std::cout << "Error: Could not find sparse image memory requirements for color aspect bit!" << std::endl;
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return;
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}
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// todo:
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// Calculate number of required sparse memory bindings by alignment
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assert((sparseImageMemoryReqs.size % sparseImageMemoryReqs.alignment) == 0);
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uint32_t memoryTypeIndex = vulkanDevice->getMemoryType(sparseImageMemoryReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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// Get sparse bindings
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uint32_t sparseBindsCount = static_cast<uint32_t>(sparseImageMemoryReqs.size / sparseImageMemoryReqs.alignment);
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std::vector<VkSparseMemoryBind> sparseMemoryBinds(sparseBindsCount);
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// Sparse bindings for each mip level of all layers outside of the mip tail
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for (uint32_t layer = 0; layer < texture.layerCount; layer++)
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{
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for (uint32_t mipLevel = 0; mipLevel < sparseMemoryReq.imageMipTailFirstLod; mipLevel++)
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{
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VkExtent3D extent;
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extent.width = std::max(sparseImageCreateInfo.extent.width >> mipLevel, 1u);
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extent.height = std::max(sparseImageCreateInfo.extent.height >> mipLevel, 1u);
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extent.depth = std::max(sparseImageCreateInfo.extent.depth >> mipLevel, 1u);
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VkImageSubresource subResource{};
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subResource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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subResource.mipLevel = mipLevel;
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subResource.arrayLayer = layer;
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// Aligned sizes by image granularity
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VkExtent3D imageGranularity = sparseMemoryReq.formatProperties.imageGranularity;
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glm::uvec3 sparseBindCounts = alignedDivision(extent, imageGranularity);
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glm::uvec3 lastBlockExtent;
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lastBlockExtent.x = (extent.width % imageGranularity.width) ? extent.width % imageGranularity.width : imageGranularity.width;
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lastBlockExtent.y = (extent.height % imageGranularity.height) ? extent.height % imageGranularity.height : imageGranularity.height;
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lastBlockExtent.z = (extent.depth % imageGranularity.depth) ? extent.depth % imageGranularity.depth : imageGranularity.depth;
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// Alllocate memory for some blocks
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uint32_t index = 0;
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for (uint32_t z = 0; z < sparseBindCounts.z; z++)
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{
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for (uint32_t y = 0; y < sparseBindCounts.y; y++)
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{
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for (uint32_t x = 0; x < sparseBindCounts.x; x++)
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{
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if ((x % 2 == 1) || (y % 2 == 1))
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continue;
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VkOffset3D offset;
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offset.x = x * imageGranularity.width;
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offset.y = y * imageGranularity.height;
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offset.z = z * imageGranularity.depth;
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VkExtent3D extent;
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extent.width = (x == sparseBindCounts.x - 1) ? lastBlockExtent.x : imageGranularity.width;
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extent.height = (y == sparseBindCounts.y - 1) ? lastBlockExtent.y : imageGranularity.height;
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extent.depth = (z == sparseBindCounts.z - 1) ? lastBlockExtent.z : imageGranularity.depth;
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// Allocate memory for this sparse block
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VkMemoryAllocateInfo allocInfo = vkTools::initializers::memoryAllocateInfo();
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allocInfo.allocationSize = sparseImageMemoryReqs.alignment;
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allocInfo.memoryTypeIndex = memoryTypeIndex;
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VkDeviceMemory deviceMemory;
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VK_CHECK_RESULT(vkAllocateMemory(device, &allocInfo, nullptr, &deviceMemory));
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// Sparse image memory binding
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VkSparseImageMemoryBind sparseImageMemoryBind{};
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sparseImageMemoryBind.subresource = subResource;
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sparseImageMemoryBind.extent = extent;
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sparseImageMemoryBind.offset = offset;
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sparseImageMemoryBind.memory = deviceMemory;
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texture.residencyMemoryBinds.push_back(sparseImageMemoryBind);
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}
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}
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}
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}
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// Sparse binding for the mip tail (if present) containing the remaining mip levels
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// The mip tail contains all mip levels > sparseMemoryReq.imageMipTailFirstLod
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if ((sparseMemoryReq.formatProperties.flags & VK_SPARSE_IMAGE_FORMAT_SINGLE_MIPTAIL_BIT) && (sparseMemoryReq.imageMipTailFirstLod < texture.mipLevels))
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{
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//todo
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}
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} // end layers and mips
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// Create signal semaphore for sparse binding
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VkSemaphoreCreateInfo semaphoreCreateInfo = vkTools::initializers::semaphoreCreateInfo();
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VK_CHECK_RESULT(vkCreateSemaphore(device, &semaphoreCreateInfo, nullptr, &bindSparseSemaphore));
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// Prepare bind sparse info for reuse in queue submission
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bindSparseInfo = vkTools::initializers::bindSparseInfo();
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//bindSparseInfo.signalSemaphoreCount = 1;
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//bindSparseInfo.pSignalSemaphores = &bindSparseSemaphore;
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if (texture.residencyMemoryBinds.size() > 0)
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{
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texture.imageMemoryBindInfo.image = texture.image;
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texture.imageMemoryBindInfo.bindCount = static_cast<uint32_t>(texture.residencyMemoryBinds.size());
|
||||
texture.imageMemoryBindInfo.pBinds = texture.residencyMemoryBinds.data();
|
||||
bindSparseInfo.imageBindCount = 1;
|
||||
bindSparseInfo.pImageBinds = &texture.imageMemoryBindInfo;
|
||||
}
|
||||
|
||||
if (texture.opaqueMemoryBinds.size() > 0)
|
||||
{
|
||||
texture.opaqueMemoryBindInfo.image = texture.image;
|
||||
texture.opaqueMemoryBindInfo.bindCount = static_cast<uint32_t>(texture.opaqueMemoryBinds.size());
|
||||
texture.opaqueMemoryBindInfo.pBinds = texture.opaqueMemoryBinds.data();
|
||||
bindSparseInfo.imageOpaqueBindCount = 1;
|
||||
bindSparseInfo.pImageOpaqueBinds = &texture.opaqueMemoryBindInfo;
|
||||
}
|
||||
|
||||
// Bind to queue
|
||||
// todo: in draw?
|
||||
vkQueueBindSparse(queue, 1, &bindSparseInfo, VK_NULL_HANDLE);
|
||||
//todo: use sparse bind semaphore
|
||||
vkQueueWaitIdle(queue);
|
||||
|
||||
// Create sampler
|
||||
VkSamplerCreateInfo sampler = vkTools::initializers::samplerCreateInfo();
|
||||
sampler.magFilter = VK_FILTER_LINEAR;
|
||||
sampler.minFilter = VK_FILTER_LINEAR;
|
||||
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
|
||||
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT;
|
||||
sampler.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
|
||||
sampler.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
|
||||
sampler.mipLodBias = 0.0f;
|
||||
sampler.compareOp = VK_COMPARE_OP_NEVER;
|
||||
sampler.minLod = 0.0f;
|
||||
sampler.maxLod = (float)texture.mipLevels;
|
||||
sampler.maxAnisotropy = 1.0;
|
||||
sampler.anisotropyEnable = VK_FALSE;
|
||||
if (vulkanDevice->features.samplerAnisotropy)
|
||||
{
|
||||
// Use max. level of anisotropy for this example
|
||||
sampler.maxAnisotropy = vulkanDevice->properties.limits.maxSamplerAnisotropy;
|
||||
sampler.anisotropyEnable = VK_TRUE;
|
||||
}
|
||||
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
|
||||
VK_CHECK_RESULT(vkCreateSampler(device, &sampler, nullptr, &texture.sampler));
|
||||
|
||||
// Create image view
|
||||
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
|
||||
view.image = VK_NULL_HANDLE;
|
||||
view.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
||||
view.format = format;
|
||||
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
|
||||
view.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
view.subresourceRange.baseMipLevel = 0;
|
||||
view.subresourceRange.baseArrayLayer = 0;
|
||||
view.subresourceRange.layerCount = 1;
|
||||
view.subresourceRange.levelCount = texture.mipLevels;
|
||||
view.image = texture.image;
|
||||
VK_CHECK_RESULT(vkCreateImageView(device, &view, nullptr, &texture.view));
|
||||
|
||||
// Fill image descriptor image info that can be used during the descriptor set setup
|
||||
texture.descriptor.imageLayout = VK_IMAGE_LAYOUT_GENERAL;
|
||||
texture.descriptor.imageView = texture.view;
|
||||
texture.descriptor.sampler = texture.sampler;
|
||||
}
|
||||
|
||||
// Free all Vulkan resources used a texture object
|
||||
void destroyTextureImage(SparseTexture texture)
|
||||
{
|
||||
vkDestroyImageView(device, texture.view, nullptr);
|
||||
vkDestroyImage(device, texture.image, nullptr);
|
||||
vkDestroySampler(device, texture.sampler, nullptr);
|
||||
//vkFreeMemory(device, texture.deviceMemory, nullptr);
|
||||
// Sparse memory
|
||||
for (auto residency : texture.residencyMemoryBinds)
|
||||
{
|
||||
vkFreeMemory(device, residency.memory, nullptr);
|
||||
}
|
||||
}
|
||||
|
||||
void buildCommandBuffers()
|
||||
{
|
||||
VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
|
||||
|
||||
VkClearValue clearValues[2];
|
||||
clearValues[0].color = defaultClearColor;
|
||||
clearValues[1].depthStencil = { 1.0f, 0 };
|
||||
|
||||
VkRenderPassBeginInfo renderPassBeginInfo = vkTools::initializers::renderPassBeginInfo();
|
||||
renderPassBeginInfo.renderPass = 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;
|
||||
|
||||
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
|
||||
{
|
||||
// Set target frame buffer
|
||||
renderPassBeginInfo.framebuffer = frameBuffers[i];
|
||||
|
||||
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
|
||||
|
||||
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
|
||||
VkViewport viewport = vkTools::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
|
||||
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
|
||||
|
||||
VkRect2D scissor = vkTools::initializers::rect2D(width, height, 0, 0);
|
||||
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
|
||||
|
||||
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
|
||||
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.solid);
|
||||
|
||||
VkDeviceSize offsets[1] = { 0 };
|
||||
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &vertexBuffer.buffer, offsets);
|
||||
vkCmdBindIndexBuffer(drawCmdBuffers[i], indexBuffer.buffer, 0, VK_INDEX_TYPE_UINT32);
|
||||
|
||||
vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
|
||||
|
||||
vkCmdEndRenderPass(drawCmdBuffers[i]);
|
||||
|
||||
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
|
||||
}
|
||||
}
|
||||
|
||||
void draw()
|
||||
{
|
||||
VulkanExampleBase::prepareFrame();
|
||||
|
||||
// Sparse bindings
|
||||
// vkQueueBindSparse(queue, 1, &bindSparseInfo, VK_NULL_HANDLE);
|
||||
//todo: use sparse bind semaphore
|
||||
// vkQueueWaitIdle(queue);
|
||||
|
||||
// Command buffer to be sumitted to the queue
|
||||
submitInfo.commandBufferCount = 1;
|
||||
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
|
||||
|
||||
// Submit to queue
|
||||
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
|
||||
|
||||
VulkanExampleBase::submitFrame();
|
||||
}
|
||||
|
||||
void generateQuad()
|
||||
{
|
||||
// Setup vertices for a single uv-mapped quad made from two triangles
|
||||
std::vector<Vertex> vertices =
|
||||
{
|
||||
{ { 1.0f, 1.0f, 0.0f }, { 1.0f, 1.0f },{ 0.0f, 0.0f, 1.0f } },
|
||||
{ { -1.0f, 1.0f, 0.0f }, { 0.0f, 1.0f },{ 0.0f, 0.0f, 1.0f } },
|
||||
{ { -1.0f, -1.0f, 0.0f }, { 0.0f, 0.0f },{ 0.0f, 0.0f, 1.0f } },
|
||||
{ { 1.0f, -1.0f, 0.0f }, { 1.0f, 0.0f },{ 0.0f, 0.0f, 1.0f } }
|
||||
};
|
||||
|
||||
// Setup indices
|
||||
std::vector<uint32_t> indices = { 0,1,2, 2,3,0 };
|
||||
indexCount = static_cast<uint32_t>(indices.size());
|
||||
|
||||
// Create buffers
|
||||
// For the sake of simplicity we won't stage the vertex data to the gpu memory
|
||||
// Vertex buffer
|
||||
VK_CHECK_RESULT(vulkanDevice->createBuffer(
|
||||
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
|
||||
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
|
||||
&vertexBuffer,
|
||||
vertices.size() * sizeof(Vertex),
|
||||
vertices.data()));
|
||||
// Index buffer
|
||||
VK_CHECK_RESULT(vulkanDevice->createBuffer(
|
||||
VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
|
||||
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
|
||||
&indexBuffer,
|
||||
indices.size() * sizeof(uint32_t),
|
||||
indices.data()));
|
||||
}
|
||||
|
||||
void setupVertexDescriptions()
|
||||
{
|
||||
// Binding description
|
||||
vertices.bindingDescriptions.resize(1);
|
||||
vertices.bindingDescriptions[0] =
|
||||
vkTools::initializers::vertexInputBindingDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
sizeof(Vertex),
|
||||
VK_VERTEX_INPUT_RATE_VERTEX);
|
||||
|
||||
// Attribute descriptions
|
||||
// Describes memory layout and shader positions
|
||||
vertices.attributeDescriptions.resize(3);
|
||||
// Location 0 : Position
|
||||
vertices.attributeDescriptions[0] =
|
||||
vkTools::initializers::vertexInputAttributeDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
0,
|
||||
VK_FORMAT_R32G32B32_SFLOAT,
|
||||
offsetof(Vertex, pos));
|
||||
// Location 1 : Texture coordinates
|
||||
vertices.attributeDescriptions[1] =
|
||||
vkTools::initializers::vertexInputAttributeDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
1,
|
||||
VK_FORMAT_R32G32_SFLOAT,
|
||||
offsetof(Vertex, uv));
|
||||
// Location 1 : Vertex normal
|
||||
vertices.attributeDescriptions[2] =
|
||||
vkTools::initializers::vertexInputAttributeDescription(
|
||||
VERTEX_BUFFER_BIND_ID,
|
||||
2,
|
||||
VK_FORMAT_R32G32B32_SFLOAT,
|
||||
offsetof(Vertex, normal));
|
||||
|
||||
vertices.inputState = vkTools::initializers::pipelineVertexInputStateCreateInfo();
|
||||
vertices.inputState.vertexBindingDescriptionCount = static_cast<uint32_t>(vertices.bindingDescriptions.size());
|
||||
vertices.inputState.pVertexBindingDescriptions = vertices.bindingDescriptions.data();
|
||||
vertices.inputState.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertices.attributeDescriptions.size());
|
||||
vertices.inputState.pVertexAttributeDescriptions = vertices.attributeDescriptions.data();
|
||||
}
|
||||
|
||||
void setupDescriptorPool()
|
||||
{
|
||||
// Example uses one ubo and one image sampler
|
||||
std::vector<VkDescriptorPoolSize> poolSizes =
|
||||
{
|
||||
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
|
||||
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1)
|
||||
};
|
||||
|
||||
VkDescriptorPoolCreateInfo descriptorPoolInfo =
|
||||
vkTools::initializers::descriptorPoolCreateInfo(
|
||||
static_cast<uint32_t>(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
|
||||
vkTools::initializers::descriptorSetLayoutBinding(
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
VK_SHADER_STAGE_VERTEX_BIT,
|
||||
0),
|
||||
// Binding 1 : Fragment shader image sampler
|
||||
vkTools::initializers::descriptorSetLayoutBinding(
|
||||
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
||||
VK_SHADER_STAGE_FRAGMENT_BIT,
|
||||
1)
|
||||
};
|
||||
|
||||
VkDescriptorSetLayoutCreateInfo descriptorLayout =
|
||||
vkTools::initializers::descriptorSetLayoutCreateInfo(
|
||||
setLayoutBindings.data(),
|
||||
static_cast<uint32_t>(setLayoutBindings.size()));
|
||||
|
||||
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
|
||||
|
||||
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
|
||||
vkTools::initializers::pipelineLayoutCreateInfo(
|
||||
&descriptorSetLayout,
|
||||
1);
|
||||
|
||||
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
|
||||
}
|
||||
|
||||
void setupDescriptorSet()
|
||||
{
|
||||
VkDescriptorSetAllocateInfo allocInfo =
|
||||
vkTools::initializers::descriptorSetAllocateInfo(
|
||||
descriptorPool,
|
||||
&descriptorSetLayout,
|
||||
1);
|
||||
|
||||
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
|
||||
|
||||
std::vector<VkWriteDescriptorSet> writeDescriptorSets =
|
||||
{
|
||||
// Binding 0 : Vertex shader uniform buffer
|
||||
vkTools::initializers::writeDescriptorSet(
|
||||
descriptorSet,
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
0,
|
||||
&uniformBufferVS.descriptor),
|
||||
// Binding 1 : Fragment shader texture sampler
|
||||
vkTools::initializers::writeDescriptorSet(
|
||||
descriptorSet,
|
||||
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
|
||||
1,
|
||||
&texture.descriptor)
|
||||
};
|
||||
|
||||
vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, NULL);
|
||||
}
|
||||
|
||||
void preparePipelines()
|
||||
{
|
||||
VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
|
||||
vkTools::initializers::pipelineInputAssemblyStateCreateInfo(
|
||||
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
|
||||
0,
|
||||
VK_FALSE);
|
||||
|
||||
VkPipelineRasterizationStateCreateInfo rasterizationState =
|
||||
vkTools::initializers::pipelineRasterizationStateCreateInfo(
|
||||
VK_POLYGON_MODE_FILL,
|
||||
VK_CULL_MODE_NONE,
|
||||
VK_FRONT_FACE_COUNTER_CLOCKWISE,
|
||||
0);
|
||||
|
||||
VkPipelineColorBlendAttachmentState blendAttachmentState =
|
||||
vkTools::initializers::pipelineColorBlendAttachmentState(
|
||||
0xf,
|
||||
VK_FALSE);
|
||||
|
||||
VkPipelineColorBlendStateCreateInfo colorBlendState =
|
||||
vkTools::initializers::pipelineColorBlendStateCreateInfo(
|
||||
1,
|
||||
&blendAttachmentState);
|
||||
|
||||
VkPipelineDepthStencilStateCreateInfo depthStencilState =
|
||||
vkTools::initializers::pipelineDepthStencilStateCreateInfo(
|
||||
VK_TRUE,
|
||||
VK_TRUE,
|
||||
VK_COMPARE_OP_LESS_OR_EQUAL);
|
||||
|
||||
VkPipelineViewportStateCreateInfo viewportState =
|
||||
vkTools::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
|
||||
|
||||
VkPipelineMultisampleStateCreateInfo multisampleState =
|
||||
vkTools::initializers::pipelineMultisampleStateCreateInfo(
|
||||
VK_SAMPLE_COUNT_1_BIT,
|
||||
0);
|
||||
|
||||
std::vector<VkDynamicState> dynamicStateEnables = {
|
||||
VK_DYNAMIC_STATE_VIEWPORT,
|
||||
VK_DYNAMIC_STATE_SCISSOR
|
||||
};
|
||||
VkPipelineDynamicStateCreateInfo dynamicState =
|
||||
vkTools::initializers::pipelineDynamicStateCreateInfo(
|
||||
dynamicStateEnables.data(),
|
||||
static_cast<uint32_t>(dynamicStateEnables.size()),
|
||||
0);
|
||||
|
||||
// Load shaders
|
||||
std::array<VkPipelineShaderStageCreateInfo,2> shaderStages;
|
||||
|
||||
shaderStages[0] = loadShader(getAssetPath() + "shaders/texturesparseresidency/sparseresidency.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
||||
shaderStages[1] = loadShader(getAssetPath() + "shaders/texturesparseresidency/sparseresidency.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
|
||||
VkGraphicsPipelineCreateInfo pipelineCreateInfo =
|
||||
vkTools::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 = static_cast<uint32_t>(shaderStages.size());
|
||||
pipelineCreateInfo.pStages = shaderStages.data();
|
||||
|
||||
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.solid));
|
||||
}
|
||||
|
||||
// Prepare and initialize uniform buffer containing shader uniforms
|
||||
void 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,
|
||||
&uniformBufferVS,
|
||||
sizeof(uboVS),
|
||||
&uboVS));
|
||||
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
void updateUniformBuffers()
|
||||
{
|
||||
// Vertex shader
|
||||
uboVS.projection = glm::perspective(glm::radians(60.0f), (float)width / (float)height, 0.001f, 256.0f);
|
||||
glm::mat4 viewMatrix = glm::translate(glm::mat4(), glm::vec3(0.0f, 0.0f, zoom));
|
||||
|
||||
uboVS.model = viewMatrix * glm::translate(glm::mat4(), 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));
|
||||
|
||||
uboVS.viewPos = glm::vec4(0.0f, 0.0f, -zoom, 0.0f);
|
||||
|
||||
VK_CHECK_RESULT(uniformBufferVS.map());
|
||||
memcpy(uniformBufferVS.mapped, &uboVS, sizeof(uboVS));
|
||||
uniformBufferVS.unmap();
|
||||
}
|
||||
|
||||
void prepare()
|
||||
{
|
||||
VulkanExampleBase::prepare();
|
||||
generateQuad();
|
||||
setupVertexDescriptions();
|
||||
prepareUniformBuffers();
|
||||
prepareSparseTexture(8192, 8192, 1, VK_FORMAT_R8G8B8A8_UNORM);
|
||||
setupDescriptorSetLayout();
|
||||
preparePipelines();
|
||||
setupDescriptorPool();
|
||||
setupDescriptorSet();
|
||||
buildCommandBuffers();
|
||||
prepared = true;
|
||||
}
|
||||
|
||||
virtual void render()
|
||||
{
|
||||
if (!prepared)
|
||||
return;
|
||||
draw();
|
||||
}
|
||||
|
||||
virtual void viewChanged()
|
||||
{
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
void changeLodBias(float delta)
|
||||
{
|
||||
uboVS.lodBias += delta;
|
||||
if (uboVS.lodBias < 0.0f)
|
||||
{
|
||||
uboVS.lodBias = 0.0f;
|
||||
}
|
||||
if (uboVS.lodBias > texture.mipLevels)
|
||||
{
|
||||
uboVS.lodBias = (float)texture.mipLevels;
|
||||
}
|
||||
updateUniformBuffers();
|
||||
updateTextOverlay();
|
||||
}
|
||||
|
||||
virtual void keyPressed(uint32_t keyCode)
|
||||
{
|
||||
switch (keyCode)
|
||||
{
|
||||
case KEY_KPADD:
|
||||
case GAMEPAD_BUTTON_R1:
|
||||
changeLodBias(0.1f);
|
||||
break;
|
||||
case KEY_KPSUB:
|
||||
case GAMEPAD_BUTTON_L1:
|
||||
changeLodBias(-0.1f);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
virtual void getOverlayText(VulkanTextOverlay *textOverlay)
|
||||
{
|
||||
std::stringstream ss;
|
||||
ss << std::setprecision(2) << std::fixed << uboVS.lodBias;
|
||||
#if defined(__ANDROID__)
|
||||
textOverlay->addText("LOD bias: " + ss.str() + " (Buttons L1/R1 to change)", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
|
||||
#else
|
||||
textOverlay->addText("LOD bias: " + ss.str() + " (numpad +/- to change)", 5.0f, 85.0f, VulkanTextOverlay::alignLeft);
|
||||
#endif
|
||||
}
|
||||
};
|
||||
|
||||
VULKAN_EXAMPLE_MAIN()
|
||||
Loading…
Add table
Add a link
Reference in a new issue