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/*
* Copyright 2022 Frederico de Oliveira Linhares
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "image.hpp"
#include "../core.hpp"
namespace VK::Image
{
Error::Error(const std::string &m):
error(m)
{
}
Error::Error(const char &m):
Error{std::string{m}}
{
}
const char*
Error::what() const noexcept
{
return this->error.c_str();
}
void
create(
VK::Device *device,
VkImage *image,
VkDeviceMemory *image_memory,
VkFormat format,
const VkExtent3D &extent3d,
uint32_t mip_levels,
VkImageTiling image_tiling,
VkImageUsageFlags usage)
{
VkImageCreateInfo image_info{};
image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
image_info.pNext = nullptr;
image_info.flags = 0;
image_info.imageType = VK_IMAGE_TYPE_2D;
image_info.format = format;
image_info.extent = extent3d;
image_info.mipLevels = mip_levels;
image_info.arrayLayers = 1;
image_info.samples = VK_SAMPLE_COUNT_1_BIT;
image_info.tiling = image_tiling;
image_info.usage = usage;
image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
image_info.queueFamilyIndexCount = 0;
image_info.pQueueFamilyIndices = nullptr;
image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
if(vkCreateImage(
device->device, &image_info, nullptr, image) != VK_SUCCESS)
throw Error{"Failed to create Vulkan image."};
VkMemoryRequirements memory_requirements;
vkGetImageMemoryRequirements(device->device, *image, &memory_requirements);
VkMemoryAllocateInfo memory_alloc_info{};
memory_alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
memory_alloc_info.allocationSize = memory_requirements.size;
device->select_memory_type(&memory_alloc_info.memoryTypeIndex,
&memory_requirements, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
if(vkAllocateMemory(
device->device, &memory_alloc_info, nullptr, image_memory)
!= VK_SUCCESS)
{
vkDestroyImage(device->device, *image, nullptr);
throw Error{"Failed to allocate memory for Vulkan image."};
}
vkBindImageMemory(device->device, *image, *image_memory, 0);
}
void create_view(
VK::Device *device,
VkImageView *image_view,
const VkImage &image,
VkFormat format,
VkImageAspectFlags image_aspect_flags)
{
VkImageViewCreateInfo image_view_info{};
image_view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
image_view_info.pNext = nullptr;
image_view_info.flags = 0;
image_view_info.image = image;
image_view_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
image_view_info.format = format;
image_view_info.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_info.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_info.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_info.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_info.subresourceRange.aspectMask = image_aspect_flags;
image_view_info.subresourceRange.baseMipLevel = 0;
image_view_info.subresourceRange.levelCount = 1;
image_view_info.subresourceRange.baseArrayLayer = 0;
image_view_info.subresourceRange.layerCount = 1;
if(vkCreateImageView(device->device, &image_view_info,
nullptr, image_view) != VK_SUCCESS)
throw Error{"Failed to create texture view."};
}
}
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