771 lines
26 KiB
C++
771 lines
26 KiB
C++
/*
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* Simple texture loader for Vulkan
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*
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* Note : No mip maps (yet), only uses optimal tiling (unless linear is forced)
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*
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* Copyright (C) 2015 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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#pragma once
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#include <vulkan/vulkan.h>
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#include <gli/gli.hpp>
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namespace vkTools
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{
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struct VulkanTexture
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{
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VkSampler sampler;
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VkImage image;
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VkImageLayout imageLayout;
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VkDeviceMemory deviceMemory;
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VkImageView view;
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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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};
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class VulkanTextureLoader
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{
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private:
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VkPhysicalDevice physicalDevice;
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VkDevice device;
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VkQueue queue;
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VkCommandBuffer cmdBuffer;
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VkCommandPool cmdPool;
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VkPhysicalDeviceMemoryProperties deviceMemoryProperties;
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// Try to find appropriate memory type for a memory allocation
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VkBool32 getMemoryType(uint32_t typeBits, VkFlags properties, uint32_t *typeIndex)
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{
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for (int i = 0; i < 32; i++) {
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if ((typeBits & 1) == 1) {
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if ((deviceMemoryProperties.memoryTypes[i].propertyFlags & properties) == properties)
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{
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*typeIndex = i;
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return true;
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}
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}
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typeBits >>= 1;
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}
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return false;
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}
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public:
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// Load a 2D texture
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void loadTexture(const char* filename, VkFormat format, VulkanTexture *texture)
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{
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loadTexture(filename, format, texture, false);
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}
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// Load a 2D texture
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void loadTexture(const char* filename, VkFormat format, VulkanTexture *texture, bool forceLinear)
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{
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gli::texture2D tex2D(gli::load(filename));
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assert(!tex2D.empty());
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texture->width = (uint32_t)tex2D[0].dimensions().x;
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texture->height = (uint32_t)tex2D[0].dimensions().y;
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VkResult err;
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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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// Only use linear tiling if requested (and supported by the device)
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// Support for linear tiling is mostly limited, so prefer to use
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// optimal tiling instead
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// On most implementations linear tiling will only support a very
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// limited amount of formats and features (mip maps, cubemaps, arrays, etc.)
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VkBool32 useStaging = true;
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// Only use linear tiling if forced
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if (forceLinear)
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{
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useStaging = formatProperties.linearTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
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}
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VkImageCreateInfo imageCreateInfo = {};
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imageCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
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imageCreateInfo.pNext = NULL;
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imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
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imageCreateInfo.format = format;
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imageCreateInfo.extent = { texture->width, texture->height, 1 };
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imageCreateInfo.mipLevels = 1;
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imageCreateInfo.arrayLayers = 1;
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imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
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imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
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imageCreateInfo.usage = (useStaging) ? VK_IMAGE_USAGE_TRANSFER_SRC_BIT : VK_IMAGE_USAGE_SAMPLED_BIT;
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imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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imageCreateInfo.flags = 0;
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VkMemoryAllocateInfo memAllocInfo = {};
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memAllocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
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memAllocInfo.pNext = NULL;
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memAllocInfo.allocationSize = 0;
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memAllocInfo.memoryTypeIndex = 0;
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VkImage mappableImage;
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VkDeviceMemory mappableMemory;
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// Create base image, if linear texturing is forced
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// this can directly be used
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err = vkCreateImage(device, &imageCreateInfo, nullptr, &mappableImage);
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assert(!err);
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// Get memory requirements for this image
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// like size and alignment
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VkMemoryRequirements memReqs;
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vkGetImageMemoryRequirements(device, mappableImage, &memReqs);
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// Set memory allocation size to required memory size
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memAllocInfo.allocationSize = memReqs.size;
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// Get memory type that can be mapped to host memory
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getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
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// Allocate host memory
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err = vkAllocateMemory(device, &memAllocInfo, nullptr, &(mappableMemory));
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assert(!err);
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// Bind allocated image for use
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err = vkBindImageMemory(device, mappableImage, mappableMemory, 0);
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assert(!err);
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// Get sub resource layout
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// Mip map count, array layer, etc.
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VkImageSubresource subRes = {};
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subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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subRes.mipLevel = 0;
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subRes.arrayLayer = 0;
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VkSubresourceLayout subResLayout;
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void *data;
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// Get sub resources layout
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// Includes row pitch, size offsets, etc.
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vkGetImageSubresourceLayout(device, mappableImage, &subRes, &subResLayout);
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// Map image memory
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err = vkMapMemory(device, mappableMemory, 0, memReqs.size, 0, &data);
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assert(!err);
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// Copy image data into memory
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memcpy(data, tex2D[subRes.mipLevel].data(), tex2D[subRes.mipLevel].size());
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vkUnmapMemory(device, mappableMemory);
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if (useStaging)
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{
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VkCommandBufferBeginInfo cmdBufInfo = {};
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cmdBufInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
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cmdBufInfo.pNext = NULL;
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err = vkBeginCommandBuffer(cmdBuffer, &cmdBufInfo);
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assert(!err);
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// Setup texture as blit target with optimal tiling
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imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
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imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
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err = vkCreateImage(device, &imageCreateInfo, nullptr, &texture->image);
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assert(!err);
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vkGetImageMemoryRequirements(device, texture->image, &memReqs);
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memAllocInfo.allocationSize = memReqs.size;
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// Get device only memory type
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getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAllocInfo.memoryTypeIndex);
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// Allocate device memory
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err = vkAllocateMemory(device, &memAllocInfo, nullptr, &texture->deviceMemory);
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assert(!err);
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// Bind allocated image for use
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err = vkBindImageMemory(device, texture->image, texture->deviceMemory, 0);
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assert(!err);
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// Image barrier for linear image (base)
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// Linear image will be used as a source for the blit
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setImageLayout(cmdBuffer,
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mappableImage,
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VK_IMAGE_ASPECT_COLOR_BIT,
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VK_IMAGE_LAYOUT_UNDEFINED,
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VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
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// Image barrier for optimal image (target)
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// Optimal image will be used as a target for the blit
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setImageLayout(cmdBuffer,
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texture->image,
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VK_IMAGE_ASPECT_COLOR_BIT,
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VK_IMAGE_LAYOUT_UNDEFINED,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
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// Copy region for image blit
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VkImageCopy copyRegion = {};
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copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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copyRegion.srcSubresource.baseArrayLayer = 0;
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copyRegion.srcSubresource.mipLevel = 0;
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copyRegion.srcSubresource.layerCount = 1;
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copyRegion.srcOffset = { 0, 0, 0 };
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copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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copyRegion.dstSubresource.baseArrayLayer = 0;
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copyRegion.dstSubresource.mipLevel = 0;
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copyRegion.dstSubresource.layerCount = 1;
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copyRegion.dstOffset = { 0, 0, 0 };
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copyRegion.extent.width = texture->width;
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copyRegion.extent.height = texture->height;
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copyRegion.extent.depth = 1;
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// Put image copy into command buffer
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vkCmdCopyImage(cmdBuffer,
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mappableImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
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texture->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
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1, ©Region);
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// Change texture image layout to shader read after the copy
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texture->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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setImageLayout(cmdBuffer,
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texture->image,
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VK_IMAGE_ASPECT_COLOR_BIT,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
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texture->imageLayout);
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err = vkEndCommandBuffer(cmdBuffer);
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assert(!err);
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VkFence nullFence = { VK_NULL_HANDLE };
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VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
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submitInfo.waitSemaphoreCount = 0;
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &cmdBuffer;
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err = vkQueueSubmit(queue, 1, &submitInfo, nullFence);
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assert(!err);
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err = vkQueueWaitIdle(queue);
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assert(!err);
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}
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else
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{
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// Linear tiled images don't need to be staged
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// and can be directly used as textures
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texture->image = mappableImage;
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texture->deviceMemory = mappableMemory;
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texture->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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// Setup image memory barrier
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setImageLayout(cmdBuffer,
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texture->image,
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VK_IMAGE_ASPECT_COLOR_BIT,
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VK_IMAGE_LAYOUT_UNDEFINED,
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texture->imageLayout);
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}
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// Create sampler
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// In Vulkan textures are accessed by samplers
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// This separates all the sampling information from the
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// texture data
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// This means you could have multiple sampler objects
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// for the same texture with different settings
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// This is similar to the samplers available with OpenGL 3.3
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VkSamplerCreateInfo sampler = {};
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sampler.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
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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_REPEAT;
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sampler.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
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sampler.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
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sampler.mipLodBias = 0.0f;
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sampler.maxAnisotropy = 0;
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sampler.compareOp = VK_COMPARE_OP_NEVER;
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sampler.minLod = 0.0f;
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sampler.maxLod = 0.0f;
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sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
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err = vkCreateSampler(device, &sampler, nullptr, &texture->sampler);
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assert(!err);
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// Create image view
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// Textures are not directly accessed by the shaders and
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// are abstracted by image views containing additional
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// information and sub resource ranges
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VkImageViewCreateInfo view = {};
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view.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
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view.pNext = NULL;
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view.image = VK_NULL_HANDLE;
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view.viewType = VK_IMAGE_VIEW_TYPE_2D;
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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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view.image = texture->image;
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err = vkCreateImageView(device, &view, nullptr, &texture->view);
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assert(!err);
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if (useStaging)
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{
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vkDestroyImage(device, mappableImage, nullptr);
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vkFreeMemory(device, mappableMemory, nullptr);
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}
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}
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// Clean up vulkan resources used by a texture object
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void destroyTexture(VulkanTexture texture)
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{
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vkDestroyImageView(device, texture.view, nullptr);
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vkDestroyImage(device, texture.image, nullptr);
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vkDestroySampler(device, texture.sampler, nullptr);
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vkFreeMemory(device, texture.deviceMemory, nullptr);
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}
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VulkanTextureLoader(VkPhysicalDevice physicalDevice, VkDevice device, VkQueue queue, VkCommandPool cmdPool)
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{
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this->physicalDevice = physicalDevice;
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this->device = device;
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this->queue = queue;
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this->cmdPool = cmdPool;
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vkGetPhysicalDeviceMemoryProperties(physicalDevice, &deviceMemoryProperties);
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// Create command buffer for submitting image barriers
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// and converting tilings
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VkCommandBufferAllocateInfo cmdBufInfo = {};
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cmdBufInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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cmdBufInfo.commandPool = cmdPool;
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cmdBufInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
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cmdBufInfo.commandBufferCount = 1;
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VkResult vkRes = vkAllocateCommandBuffers(device, &cmdBufInfo, &cmdBuffer);
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assert(vkRes == VK_SUCCESS);
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}
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~VulkanTextureLoader()
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{
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vkFreeCommandBuffers(device, cmdPool, 1, &cmdBuffer);
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}
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// Load a cubemap texture (single file)
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void loadCubemap(const char* filename, VkFormat format, VulkanTexture *texture)
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{
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VkFormatProperties formatProperties;
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VkResult err;
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gli::textureCube texCube(gli::load(filename));
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assert(!texCube.empty());
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texture->width = (uint32_t)texCube[0].dimensions().x;
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texture->height = (uint32_t)texCube[0].dimensions().y;
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// Get device properites for the requested texture format
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vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
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VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
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imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
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imageCreateInfo.format = format;
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imageCreateInfo.extent = { texture->width, texture->height, 1 };
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imageCreateInfo.mipLevels = 1;
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imageCreateInfo.arrayLayers = 1;
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imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
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imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
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imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
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imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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imageCreateInfo.flags = 0;
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VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
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VkMemoryRequirements memReqs;
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struct {
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VkImage image;
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VkDeviceMemory memory;
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} cubeFace[6];
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VkCommandBufferBeginInfo cmdBufInfo = {};
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cmdBufInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
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cmdBufInfo.pNext = NULL;
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err = vkBeginCommandBuffer(cmdBuffer, &cmdBufInfo);
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assert(!err);
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// Load separate cube map faces into linear tiled textures
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for (uint32_t face = 0; face < 6; ++face)
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{
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err = vkCreateImage(device, &imageCreateInfo, nullptr, &cubeFace[face].image);
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assert(!err);
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vkGetImageMemoryRequirements(device, cubeFace[face].image, &memReqs);
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memAllocInfo.allocationSize = memReqs.size;
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getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
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err = vkAllocateMemory(device, &memAllocInfo, nullptr, &cubeFace[face].memory);
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assert(!err);
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err = vkBindImageMemory(device, cubeFace[face].image, cubeFace[face].memory, 0);
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assert(!err);
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VkImageSubresource subRes = {};
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subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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VkSubresourceLayout subResLayout;
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void *data;
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vkGetImageSubresourceLayout(device, cubeFace[face].image, &subRes, &subResLayout);
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assert(!err);
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err = vkMapMemory(device, cubeFace[face].memory, 0, memReqs.size, 0, &data);
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assert(!err);
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memcpy(data, texCube[face][subRes.mipLevel].data(), texCube[face][subRes.mipLevel].size());
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vkUnmapMemory(device, cubeFace[face].memory);
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// Image barrier for linear image (base)
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// Linear image will be used as a source for the copy
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setImageLayout(
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cmdBuffer,
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cubeFace[face].image,
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VK_IMAGE_ASPECT_COLOR_BIT,
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VK_IMAGE_LAYOUT_UNDEFINED,
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VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
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}
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// Transfer cube map faces to optimal tiling
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// Setup texture as blit target with optimal tiling
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imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
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imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
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imageCreateInfo.flags = VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT;
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imageCreateInfo.arrayLayers = 6;
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err = vkCreateImage(device, &imageCreateInfo, nullptr, &texture->image);
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assert(!err);
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vkGetImageMemoryRequirements(device, texture->image, &memReqs);
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memAllocInfo.allocationSize = memReqs.size;
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getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAllocInfo.memoryTypeIndex);
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err = vkAllocateMemory(device, &memAllocInfo, nullptr, &texture->deviceMemory);
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assert(!err);
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err = vkBindImageMemory(device, texture->image, texture->deviceMemory, 0);
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assert(!err);
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// Image barrier for optimal image (target)
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// Optimal image will be used as destination for the copy
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setImageLayout(
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cmdBuffer,
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texture->image,
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VK_IMAGE_ASPECT_COLOR_BIT,
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VK_IMAGE_LAYOUT_UNDEFINED,
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VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
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// Copy cube map faces one by one
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for (uint32_t face = 0; face < 6; ++face)
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{
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// Copy region for image blit
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VkImageCopy copyRegion = {};
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copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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copyRegion.srcSubresource.baseArrayLayer = 0;
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copyRegion.srcSubresource.mipLevel = 0;
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copyRegion.srcSubresource.layerCount = 1;
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copyRegion.srcOffset = { 0, 0, 0 };
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|
copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
|
copyRegion.dstSubresource.baseArrayLayer = face;
|
|
copyRegion.dstSubresource.mipLevel = 0;
|
|
copyRegion.dstSubresource.layerCount = 1;
|
|
copyRegion.dstOffset = { 0, 0, 0 };
|
|
|
|
copyRegion.extent.width = texture->width;
|
|
copyRegion.extent.height = texture->height;
|
|
copyRegion.extent.depth = 1;
|
|
|
|
// Put image copy into command buffer
|
|
vkCmdCopyImage(
|
|
cmdBuffer,
|
|
cubeFace[face].image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
|
texture->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
|
1, ©Region);
|
|
|
|
// Change texture image layout to shader read after the copy
|
|
texture->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
|
|
setImageLayout(
|
|
cmdBuffer,
|
|
texture->image,
|
|
VK_IMAGE_ASPECT_COLOR_BIT,
|
|
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
|
texture->imageLayout);
|
|
}
|
|
|
|
err = vkEndCommandBuffer(cmdBuffer);
|
|
assert(!err);
|
|
|
|
VkFence nullFence = { VK_NULL_HANDLE };
|
|
|
|
VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
|
|
submitInfo.waitSemaphoreCount = 0;
|
|
submitInfo.commandBufferCount = 1;
|
|
submitInfo.pCommandBuffers = &cmdBuffer;
|
|
|
|
err = vkQueueSubmit(queue, 1, &submitInfo, nullFence);
|
|
assert(!err);
|
|
|
|
err = vkQueueWaitIdle(queue);
|
|
assert(!err);
|
|
|
|
// 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_CLAMP_TO_EDGE;
|
|
sampler.addressModeV = sampler.addressModeU;
|
|
sampler.addressModeW = sampler.addressModeU;
|
|
sampler.mipLodBias = 0.0f;
|
|
sampler.maxAnisotropy = 8;
|
|
sampler.compareOp = VK_COMPARE_OP_NEVER;
|
|
sampler.minLod = 0.0f;
|
|
sampler.maxLod = 0.0f;
|
|
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
|
|
err = vkCreateSampler(device, &sampler, nullptr, &texture->sampler);
|
|
assert(!err);
|
|
|
|
// Create image view
|
|
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
|
|
view.image = VK_NULL_HANDLE;
|
|
view.viewType = VK_IMAGE_VIEW_TYPE_CUBE;
|
|
view.format = format;
|
|
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
|
|
view.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
|
|
view.subresourceRange.layerCount = 6;
|
|
view.image = texture->image;
|
|
err = vkCreateImageView(device, &view, nullptr, &texture->view);
|
|
assert(!err);
|
|
|
|
// Cleanup
|
|
for (auto& face : cubeFace)
|
|
{
|
|
vkDestroyImage(device, face.image, nullptr);
|
|
vkFreeMemory(device, face.memory, nullptr);
|
|
}
|
|
}
|
|
|
|
// Load an array texture (single file)
|
|
void loadTextureArray(const char* filename, VkFormat format, VulkanTexture *texture)
|
|
{
|
|
VkFormatProperties formatProperties;
|
|
VkResult err;
|
|
|
|
gli::texture2DArray tex2DArray(gli::load(filename));
|
|
assert(!tex2DArray.empty());
|
|
|
|
texture->width = tex2DArray.dimensions().x;
|
|
texture->height = tex2DArray.dimensions().y;
|
|
texture->layerCount = tex2DArray.layers();
|
|
|
|
// Get device properites for the requested texture format
|
|
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &formatProperties);
|
|
|
|
VkImageCreateInfo imageCreateInfo = vkTools::initializers::imageCreateInfo();
|
|
imageCreateInfo.imageType = VK_IMAGE_TYPE_2D;
|
|
imageCreateInfo.format = format;
|
|
imageCreateInfo.extent = { texture->width, texture->height, 1 };
|
|
imageCreateInfo.mipLevels = 1;
|
|
imageCreateInfo.arrayLayers = 1;
|
|
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
|
|
imageCreateInfo.tiling = VK_IMAGE_TILING_LINEAR;
|
|
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
|
|
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
|
imageCreateInfo.flags = 0;
|
|
|
|
VkMemoryAllocateInfo memAllocInfo = vkTools::initializers::memoryAllocateInfo();
|
|
VkMemoryRequirements memReqs;
|
|
|
|
struct Layer {
|
|
VkImage image;
|
|
VkDeviceMemory memory;
|
|
};
|
|
std::vector<Layer> arrayLayer;
|
|
arrayLayer.resize(texture->layerCount);
|
|
|
|
// Allocate command buffer for image copies and layouts
|
|
VkCommandBuffer cmdBuffer;
|
|
VkCommandBufferAllocateInfo cmdBufAlllocatInfo =
|
|
vkTools::initializers::commandBufferAllocateInfo(
|
|
cmdPool,
|
|
VK_COMMAND_BUFFER_LEVEL_PRIMARY,
|
|
1);
|
|
err = vkAllocateCommandBuffers(device, &cmdBufAlllocatInfo, &cmdBuffer);
|
|
assert(!err);
|
|
|
|
VkCommandBufferBeginInfo cmdBufInfo =
|
|
vkTools::initializers::commandBufferBeginInfo();
|
|
|
|
err = vkBeginCommandBuffer(cmdBuffer, &cmdBufInfo);
|
|
assert(!err);
|
|
|
|
// Load separate cube map faces into linear tiled textures
|
|
for (uint32_t i = 0; i < texture->layerCount; ++i)
|
|
{
|
|
err = vkCreateImage(device, &imageCreateInfo, nullptr, &arrayLayer[i].image);
|
|
assert(!err);
|
|
|
|
vkGetImageMemoryRequirements(device, arrayLayer[i].image, &memReqs);
|
|
memAllocInfo.allocationSize = memReqs.size;
|
|
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex);
|
|
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &arrayLayer[i].memory);
|
|
assert(!err);
|
|
err = vkBindImageMemory(device, arrayLayer[i].image, arrayLayer[i].memory, 0);
|
|
assert(!err);
|
|
|
|
VkImageSubresource subRes = {};
|
|
subRes.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
|
|
|
VkSubresourceLayout subResLayout;
|
|
void *data;
|
|
|
|
vkGetImageSubresourceLayout(device, arrayLayer[i].image, &subRes, &subResLayout);
|
|
assert(!err);
|
|
err = vkMapMemory(device, arrayLayer[i].memory, 0, memReqs.size, 0, &data);
|
|
assert(!err);
|
|
memcpy(data, tex2DArray[i].data(), tex2DArray[i].size());
|
|
vkUnmapMemory(device, arrayLayer[i].memory);
|
|
|
|
// Image barrier for linear image (base)
|
|
// Linear image will be used as a source for the copy
|
|
vkTools::setImageLayout(
|
|
cmdBuffer,
|
|
arrayLayer[i].image,
|
|
VK_IMAGE_ASPECT_COLOR_BIT,
|
|
VK_IMAGE_LAYOUT_UNDEFINED,
|
|
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
|
|
}
|
|
|
|
// Transfer cube map faces to optimal tiling
|
|
|
|
// Setup texture as blit target with optimal tiling
|
|
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
|
|
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
|
|
imageCreateInfo.arrayLayers = texture->layerCount;
|
|
|
|
err = vkCreateImage(device, &imageCreateInfo, nullptr, &texture->image);
|
|
assert(!err);
|
|
|
|
vkGetImageMemoryRequirements(device, texture->image, &memReqs);
|
|
|
|
memAllocInfo.allocationSize = memReqs.size;
|
|
|
|
getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &memAllocInfo.memoryTypeIndex);
|
|
err = vkAllocateMemory(device, &memAllocInfo, nullptr, &texture->deviceMemory);
|
|
assert(!err);
|
|
err = vkBindImageMemory(device, texture->image, texture->deviceMemory, 0);
|
|
assert(!err);
|
|
|
|
// Image barrier for optimal image (target)
|
|
// Optimal image will be used as destination for the copy
|
|
vkTools::setImageLayout(
|
|
cmdBuffer,
|
|
texture->image,
|
|
VK_IMAGE_ASPECT_COLOR_BIT,
|
|
VK_IMAGE_LAYOUT_UNDEFINED,
|
|
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
|
|
|
|
// Copy cube map faces one by one
|
|
for (uint32_t i = 0; i < texture->layerCount; ++i)
|
|
{
|
|
// Copy region for image blit
|
|
VkImageCopy copyRegion = {};
|
|
|
|
copyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
|
copyRegion.srcSubresource.baseArrayLayer = 0;
|
|
copyRegion.srcSubresource.mipLevel = 0;
|
|
copyRegion.srcSubresource.layerCount = 1;
|
|
copyRegion.srcOffset = { 0, 0, 0 };
|
|
|
|
copyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
|
copyRegion.dstSubresource.baseArrayLayer = i;
|
|
copyRegion.dstSubresource.mipLevel = 0;
|
|
copyRegion.dstSubresource.layerCount = 1;
|
|
copyRegion.dstOffset = { 0, 0, 0 };
|
|
|
|
copyRegion.extent.width = texture->width;
|
|
copyRegion.extent.height = texture->height;
|
|
copyRegion.extent.depth = 1;
|
|
|
|
// Put image copy into command buffer
|
|
vkCmdCopyImage(
|
|
cmdBuffer,
|
|
arrayLayer[i].image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
|
|
texture->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
|
1, ©Region);
|
|
|
|
// Change texture image layout to shader read after the copy
|
|
texture->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
|
|
vkTools::setImageLayout(
|
|
cmdBuffer,
|
|
texture->image,
|
|
VK_IMAGE_ASPECT_COLOR_BIT,
|
|
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
|
|
texture->imageLayout);
|
|
}
|
|
|
|
err = vkEndCommandBuffer(cmdBuffer);
|
|
assert(!err);
|
|
|
|
VkFence nullFence = { VK_NULL_HANDLE };
|
|
|
|
// Submit command buffer to graphis queue
|
|
VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
|
|
submitInfo.commandBufferCount = 1;
|
|
submitInfo.pCommandBuffers = &cmdBuffer;
|
|
|
|
err = vkQueueSubmit(queue, 1, &submitInfo, nullFence);
|
|
assert(!err);
|
|
|
|
err = vkQueueWaitIdle(queue);
|
|
assert(!err);
|
|
|
|
// 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_CLAMP_TO_EDGE;
|
|
sampler.addressModeV = sampler.addressModeU;
|
|
sampler.addressModeW = sampler.addressModeU;
|
|
sampler.mipLodBias = 0.0f;
|
|
sampler.maxAnisotropy = 8;
|
|
sampler.compareOp = VK_COMPARE_OP_NEVER;
|
|
sampler.minLod = 0.0f;
|
|
sampler.maxLod = 0.0f;
|
|
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
|
|
err = vkCreateSampler(device, &sampler, nullptr, &texture->sampler);
|
|
assert(!err);
|
|
|
|
// Create image view
|
|
VkImageViewCreateInfo view = vkTools::initializers::imageViewCreateInfo();
|
|
view.image = VK_NULL_HANDLE;
|
|
view.viewType = VK_IMAGE_VIEW_TYPE_2D_ARRAY;
|
|
view.format = format;
|
|
view.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
|
|
view.subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
|
|
view.subresourceRange.layerCount = texture->layerCount;
|
|
view.image = texture->image;
|
|
err = vkCreateImageView(device, &view, nullptr, &texture->view);
|
|
assert(!err);
|
|
|
|
// Cleanup
|
|
for (auto& layer : arrayLayer)
|
|
{
|
|
vkDestroyImage(device, layer.image, nullptr);
|
|
vkFreeMemory(device, layer.memory, nullptr);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
};
|
|
|
|
};
|