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descriptor heap rewrite

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This commit is contained in:
Jorijn van der Graaf 2026-04-05 22:53:59 +02:00
commit f8e142fb06
31 changed files with 429 additions and 1017 deletions
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interfaces/Crafter.Graphics-DescriptorHeapVulkan.cppm Normal file
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/*
Crafter®.Graphics
Copyright (C) 2026 Catcrafts®
catcrafts.net
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 3.0 as published by the Free Software Foundation;
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
module;
#ifdef CRAFTER_GRAPHICS_RENDERER_VULKAN
#include "vulkan/vulkan.h"
#endif
export module Crafter.Graphics:DescriptorHeapVulkan;
#ifdef CRAFTER_GRAPHICS_RENDERER_VULKAN
import std;
import :Device;
import :Window;
import :Types;
import :VulkanBuffer;
export namespace Crafter {
struct DescriptorHeapVulkan {
inline static VulkanBuffer<std::uint8_t, true, true> resourceHeap[Window::numFrames];
inline static VulkanBuffer<std::uint8_t, true, true> samplerHeap[Window::numFrames];
inline static std::uint32_t bufferStartOffset;
inline static std::uint16_t bufferStartElement;
void Initialize(std::uint16_t images, std::uint16_t buffers, std::uint16_t samplers) {
std::uint32_t descriptorRegion = images * Device::descriptorHeapProperties.imageDescriptorSize + buffers * Device::descriptorHeapProperties.bufferDescriptorSize;
std::uint32_t alignedDescriptorRegion = (descriptorRegion + Device::descriptorHeapProperties.imageDescriptorAlignment - 1) & ~(Device::descriptorHeapProperties.imageDescriptorAlignment - 1);
std::uint32_t resourceSize = alignedDescriptorRegion + Device::descriptorHeapProperties.minResourceHeapReservedRange;
std::uint32_t samplerSize = samplers * Device::descriptorHeapProperties.samplerDescriptorSize + Device::descriptorHeapProperties.minSamplerHeapReservedRange;
bufferStartElement = images * Device::descriptorHeapProperties.imageDescriptorSize / Device::descriptorHeapProperties.bufferDescriptorSize;
if(images > 0 && bufferStartElement == 0) {
bufferStartElement = 1;
}
bufferStartOffset = bufferStartElement * Device::descriptorHeapProperties.bufferDescriptorSize;
for(std::uint8_t i = 0; i < Window::numFrames; i++) {
resourceHeap[i].Create(VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_DESCRIPTOR_HEAP_BIT_EXT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, resourceSize);
samplerHeap[i].Create(VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_DESCRIPTOR_HEAP_BIT_EXT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, samplerSize);
}
}
};
}
#endif