Files
Seele/src/Engine/Graphics/Vulkan/Descriptor.cpp
T
2024-06-19 10:44:11 +02:00

463 lines
17 KiB
C++

#include "Descriptor.h"
#include "Buffer.h"
#include "CRC.h"
#include "Command.h"
#include "Graphics.h"
#include "Texture.h"
using namespace Seele;
using namespace Seele::Vulkan;
DescriptorLayout::DescriptorLayout(PGraphics graphics, const std::string& name)
: Gfx::DescriptorLayout(name), graphics(graphics), layoutHandle(VK_NULL_HANDLE) {}
DescriptorLayout::~DescriptorLayout() {
graphics->getDestructionManager()->queueResourceForDestruction(std::move(pool));
if (layoutHandle != VK_NULL_HANDLE) {
vkDestroyDescriptorSetLayout(graphics->getDevice(), layoutHandle, nullptr);
}
}
void DescriptorLayout::create() {
if (layoutHandle != VK_NULL_HANDLE) {
return;
}
bindings.resize(descriptorBindings.size());
Array<VkDescriptorBindingFlags> bindingFlags(descriptorBindings.size());
for (size_t i = 0; i < descriptorBindings.size(); ++i) {
const Gfx::DescriptorBinding& gfxBinding = descriptorBindings[i];
bindings[i] = {
.binding = gfxBinding.binding,
.descriptorType = cast(gfxBinding.descriptorType),
.descriptorCount = gfxBinding.descriptorCount,
.stageFlags = gfxBinding.shaderStages,
.pImmutableSamplers = nullptr,
};
bindingFlags[i] = gfxBinding.bindingFlags;
}
VkDescriptorSetLayoutBindingFlagsCreateInfo bindingFlagsInfo = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_BINDING_FLAGS_CREATE_INFO,
.pNext = nullptr,
.bindingCount = static_cast<uint32>(bindingFlags.size()),
.pBindingFlags = bindingFlags.data(),
};
VkDescriptorSetLayoutCreateInfo createInfo = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
.pNext = &bindingFlagsInfo,
.flags = 0,
.bindingCount = (uint32)bindings.size(),
.pBindings = bindings.data(),
};
VK_CHECK(vkCreateDescriptorSetLayout(graphics->getDevice(), &createInfo, nullptr, &layoutHandle));
pool = new DescriptorPool(graphics, this);
hash = CRC::Calculate(bindings.data(), sizeof(VkDescriptorSetLayoutBinding) * bindings.size(), CRC::CRC_32());
}
DescriptorPool::DescriptorPool(PGraphics graphics, PDescriptorLayout layout)
: CommandBoundResource(graphics), graphics(graphics), layout(layout) {
for (uint32 i = 0; i < cachedHandles.size(); ++i) {
cachedHandles[i] = nullptr;
}
uint32 perTypeSizes[VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT]; // TODO: FIX ENUM
std::memset(perTypeSizes, 0, sizeof(perTypeSizes));
for (uint32 i = 0; i < layout->getBindings().size(); ++i) {
auto& binding = layout->getBindings()[i];
int typeIndex = binding.descriptorType;
perTypeSizes[typeIndex] += 512;
}
Array<VkDescriptorPoolSize> poolSizes;
for (uint32 i = 0; i < VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT; ++i) {
if (perTypeSizes[i] > 0) {
VkDescriptorPoolSize size;
size.descriptorCount = perTypeSizes[i];
size.type = (VkDescriptorType)i;
poolSizes.add(size);
}
}
VkDescriptorPoolCreateInfo createInfo = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.maxSets = maxSets * Gfx::numFramesBuffered,
.poolSizeCount = (uint32)poolSizes.size(),
.pPoolSizes = poolSizes.data(),
};
VK_CHECK(vkCreateDescriptorPool(graphics->getDevice(), &createInfo, nullptr, &poolHandle));
}
DescriptorPool::~DescriptorPool() {
for (size_t i = 0; i < maxSets; ++i) {
if (cachedHandles[i] != nullptr) {
cachedHandles[i] = nullptr;
}
}
vkDestroyDescriptorPool(graphics->getDevice(), poolHandle, nullptr);
if (nextAlloc) {
delete nextAlloc;
}
}
Gfx::PDescriptorSet DescriptorPool::allocateDescriptorSet() {
VkDescriptorSetLayout layoutHandle = layout->getHandle();
VkDescriptorSetVariableDescriptorCountAllocateInfo setCounts = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_VARIABLE_DESCRIPTOR_COUNT_ALLOCATE_INFO,
.pNext = nullptr,
.descriptorSetCount = 1,
};
VkDescriptorSetAllocateInfo allocInfo = {
.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
.pNext = nullptr,
.descriptorPool = poolHandle,
.descriptorSetCount = 1,
.pSetLayouts = &layoutHandle,
};
uint32 counts = 0;
for (const auto& binding : layout->bindings) {
if (binding.descriptorCount > 0) {
counts = binding.descriptorCount;
}
}
if (layout->bindings.size() > 0) {
setCounts.pDescriptorCounts = &counts;
allocInfo.pNext = &setCounts;
}
for (uint32 setIndex = 0; setIndex < cachedHandles.size(); ++setIndex) {
if (cachedHandles[setIndex] == nullptr) {
cachedHandles[setIndex] = new DescriptorSet(graphics, this);
}
if (cachedHandles[setIndex]->isCurrentlyBound() || cachedHandles[setIndex]->isCurrentlyInUse()) {
// Currently in use, skip
continue;
}
if (cachedHandles[setIndex]->getHandle() == VK_NULL_HANDLE) {
// If it hasnt been initialized, allocate it
VK_CHECK(vkAllocateDescriptorSets(graphics->getDevice(), &allocInfo, &cachedHandles[setIndex]->setHandle));
}
cachedHandles[setIndex]->allocate();
PDescriptorSet vulkanSet = cachedHandles[setIndex];
// Found set, stop searching
return vulkanSet;
}
if (nextAlloc == nullptr) {
nextAlloc = new DescriptorPool(graphics, layout);
}
// std::cout << "Out of descriptors, forwarding" << std::endl;
return nextAlloc->allocateDescriptorSet();
// throw std::logic_error("Out of descriptor sets");
}
void DescriptorPool::reset() {
for (uint32 i = 0; i < cachedHandles.size(); ++i) {
if (cachedHandles[i] == nullptr) {
return;
}
cachedHandles[i]->free();
}
if (nextAlloc != nullptr) {
nextAlloc->reset();
}
}
DescriptorSet::DescriptorSet(PGraphics graphics, PDescriptorPool owner)
: Gfx::DescriptorSet(owner->getLayout()), CommandBoundResource(graphics), setHandle(VK_NULL_HANDLE), graphics(graphics), owner(owner),
bindCount(0), currentlyInUse(false) {
boundResources.resize(owner->getLayout()->getBindings().size());
}
DescriptorSet::~DescriptorSet() {}
void DescriptorSet::updateBuffer(uint32_t binding, Gfx::PUniformBuffer uniformBuffer) {
PUniformBuffer vulkanBuffer = uniformBuffer.cast<UniformBuffer>();
if (boundResources[binding] == vulkanBuffer->getAlloc()) {
return;
}
bufferInfos.add(VkDescriptorBufferInfo{
.buffer = vulkanBuffer->getHandle(),
.offset = 0,
.range = vulkanBuffer->getSize(),
});
writeDescriptors.add(VkWriteDescriptorSet{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = setHandle,
.dstBinding = binding,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = cast(layout->getBindings()[binding].descriptorType),
.pBufferInfo = &bufferInfos.back(),
});
boundResources[binding] = vulkanBuffer->getAlloc();
}
void DescriptorSet::updateBuffer(uint32_t binding, Gfx::PShaderBuffer shaderBuffer) {
PShaderBuffer vulkanBuffer = shaderBuffer.cast<ShaderBuffer>();
if (boundResources[binding] == vulkanBuffer->getAlloc()) {
return;
}
bufferInfos.add(VkDescriptorBufferInfo{
.buffer = vulkanBuffer->getHandle(),
.offset = 0,
.range = vulkanBuffer->getSize(),
});
writeDescriptors.add(VkWriteDescriptorSet{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = setHandle,
.dstBinding = binding,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = cast(layout->getBindings()[binding].descriptorType),
.pBufferInfo = &bufferInfos.back(),
});
boundResources[binding] = vulkanBuffer->getAlloc();
}
void DescriptorSet::updateBuffer(uint32_t binding, uint32 index, Gfx::PShaderBuffer shaderBuffer) {
PShaderBuffer vulkanBuffer = shaderBuffer.cast<ShaderBuffer>();
if (boundResources[binding] == vulkanBuffer->getAlloc()) {
return;
}
bufferInfos.add(VkDescriptorBufferInfo{
.buffer = vulkanBuffer->getHandle(),
.offset = 0,
.range = vulkanBuffer->getSize(),
});
writeDescriptors.add(VkWriteDescriptorSet{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = setHandle,
.dstBinding = binding,
.dstArrayElement = index,
.descriptorCount = 1,
.descriptorType = cast(layout->getBindings()[binding].descriptorType),
.pBufferInfo = &bufferInfos.back(),
});
boundResources[binding] = vulkanBuffer->getAlloc();
}
void DescriptorSet::updateSampler(uint32_t binding, Gfx::PSampler samplerState) {
PSampler vulkanSampler = samplerState.cast<Sampler>();
if (boundResources[binding] == vulkanSampler->getHandle()) {
return;
}
imageInfos.add(VkDescriptorImageInfo{
.sampler = vulkanSampler->getSampler(),
.imageView = VK_NULL_HANDLE,
.imageLayout = VK_IMAGE_LAYOUT_UNDEFINED,
});
writeDescriptors.add(VkWriteDescriptorSet{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = setHandle,
.dstBinding = binding,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLER,
.pImageInfo = &imageInfos.back(),
});
boundResources[binding] = vulkanSampler->getHandle();
}
void DescriptorSet::updateSampler(uint32_t binding, uint32 dstArrayIndex, Gfx::PSampler samplerState)
{
PSampler vulkanSampler = samplerState.cast<Sampler>();
if (boundResources[binding] == vulkanSampler->getHandle()) {
return;
}
imageInfos.add(VkDescriptorImageInfo{
.sampler = vulkanSampler->getSampler(),
.imageView = VK_NULL_HANDLE,
.imageLayout = VK_IMAGE_LAYOUT_UNDEFINED,
});
writeDescriptors.add(VkWriteDescriptorSet{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = setHandle,
.dstBinding = binding,
.dstArrayElement = dstArrayIndex,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLER,
.pImageInfo = &imageInfos.back(),
});
boundResources[binding] = vulkanSampler->getHandle();
}
void DescriptorSet::updateTexture(uint32_t binding, Gfx::PTexture texture, Gfx::PSampler samplerState) {
TextureBase* vulkanTexture = texture.cast<TextureBase>().getHandle();
if (boundResources[binding] == vulkanTexture->getHandle()) {
return;
}
// It is assumed that the image is in the correct layout
imageInfos.add(VkDescriptorImageInfo{
.sampler = samplerState != nullptr ? samplerState.cast<Sampler>()->getSampler() : VK_NULL_HANDLE,
.imageView = vulkanTexture->getView(),
.imageLayout = cast(vulkanTexture->getLayout()),
});
VkDescriptorType descriptorType = VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE;
if (samplerState != nullptr) {
descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
} else if (vulkanTexture->getUsage() & VK_IMAGE_USAGE_STORAGE_BIT) {
descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE;
}
writeDescriptors.add(VkWriteDescriptorSet{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = setHandle,
.dstBinding = binding,
.dstArrayElement = 0,
.descriptorCount = 1,
.descriptorType = descriptorType,
.pImageInfo = &imageInfos.back(),
});
boundResources[binding] = vulkanTexture->getHandle();
}
void DescriptorSet::updateTexture(uint32 binding, uint32 dstArrayIndex, Gfx::PTexture texture)
{
TextureBase* vulkanTexture = texture.cast<TextureBase>().getHandle();
if (boundResources[binding] == vulkanTexture->getHandle()) {
return;
}
// It is assumed that the image is in the correct layout
imageInfos.add(VkDescriptorImageInfo{
.sampler = VK_NULL_HANDLE,
.imageView = vulkanTexture->getView(),
.imageLayout = cast(vulkanTexture->getLayout()),
});
writeDescriptors.add(VkWriteDescriptorSet{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = setHandle,
.dstBinding = binding,
.dstArrayElement = dstArrayIndex,
.descriptorCount = 1,
.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
.pImageInfo = &imageInfos.back(),
});
boundResources[binding] = vulkanTexture->getHandle();
}
void DescriptorSet::updateTextureArray(uint32_t binding, Array<Gfx::PTexture> textures) {
// maybe make this a parameter?
uint32 arrayElement = 0;
boundResources.resize(binding + textures.size());
for (auto& gfxTexture : textures) {
TextureBase* vulkanTexture = gfxTexture.cast<TextureBase>().getHandle();
if (boundResources[binding + arrayElement] == vulkanTexture->getHandle()) {
continue;
}
imageInfos.add(VkDescriptorImageInfo{
.sampler = VK_NULL_HANDLE,
.imageView = vulkanTexture->getView(),
.imageLayout = cast(vulkanTexture->getLayout()),
});
VkDescriptorType descriptorType = VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE;
if (vulkanTexture->getUsage() & VK_IMAGE_USAGE_STORAGE_BIT) {
descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE;
}
boundResources[binding + arrayElement] = vulkanTexture->getHandle();
writeDescriptors.add(VkWriteDescriptorSet{
.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
.pNext = nullptr,
.dstSet = setHandle,
.dstBinding = binding,
.dstArrayElement = arrayElement++,
.descriptorCount = 1,
.descriptorType = descriptorType,
.pImageInfo = &imageInfos.back(),
});
vulkanTexture->getHandle()->bind();
}
}
void DescriptorSet::writeChanges() {
if (writeDescriptors.size() > 0) {
if (isCurrentlyBound()) {
std::cout << "Descriptor currently bound, allocate a new one instead" << std::endl;
assert(!isCurrentlyBound());
}
vkUpdateDescriptorSets(graphics->getDevice(), (uint32)writeDescriptors.size(), writeDescriptors.data(), 0, nullptr);
writeDescriptors.clear();
imageInfos.clear();
bufferInfos.clear();
}
}
PipelineLayout::PipelineLayout(PGraphics graphics, const std::string& name, Gfx::PPipelineLayout baseLayout)
: Gfx::PipelineLayout(name, baseLayout), graphics(graphics), layoutHandle(VK_NULL_HANDLE) {}
PipelineLayout::~PipelineLayout() {}
std::mutex layoutLock;
Map<uint32, VkPipelineLayout> cachedLayouts;
void PipelineLayout::create() {
for (auto [name, desc] : descriptorSetLayouts) {
PDescriptorLayout layout = desc.cast<DescriptorLayout>();
layout->create();
uint32 parameterIndex = parameterMapping[layout->getName()];
if (parameterIndex >= vulkanDescriptorLayouts.size()) {
vulkanDescriptorLayouts.resize(parameterIndex + 1);
}
vulkanDescriptorLayouts[parameterIndex] = layout->getHandle();
}
Array<VkPushConstantRange> vkPushConstants(pushConstants.size());
for (size_t i = 0; i < pushConstants.size(); i++) {
vkPushConstants[i].offset = pushConstants[i].offset;
vkPushConstants[i].size = pushConstants[i].size;
vkPushConstants[i].stageFlags = pushConstants[i].stageFlags;
}
VkPipelineLayoutCreateInfo createInfo = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.setLayoutCount = (uint32)vulkanDescriptorLayouts.size(),
.pSetLayouts = vulkanDescriptorLayouts.data(),
.pushConstantRangeCount = (uint32)vkPushConstants.size(),
.pPushConstantRanges = vkPushConstants.data(),
};
layoutHash =
CRC::Calculate(createInfo.pPushConstantRanges, sizeof(VkPushConstantRange) * createInfo.pushConstantRangeCount, CRC::CRC_32());
layoutHash =
CRC::Calculate(createInfo.pSetLayouts, sizeof(VkDescriptorSetLayout) * createInfo.setLayoutCount, CRC::CRC_32(), layoutHash);
std::unique_lock l(layoutLock);
if (cachedLayouts.contains(layoutHash)) {
// std::cout << "New Layout" << std::endl;
layoutHandle = cachedLayouts[layoutHash];
return;
}
VK_CHECK(vkCreatePipelineLayout(graphics->getDevice(), &createInfo, nullptr, &layoutHandle));
cachedLayouts[layoutHash] = layoutHandle;
}