mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 13:23:56 -07:00
143 lines
4.7 KiB
C++
143 lines
4.7 KiB
C++
/* Copyright (C) 2024 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "SamplerManager.h"
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#include "lib/hash.h"
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#include "renderer/backend/vulkan/Device.h"
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#include "renderer/backend/vulkan/Mapping.h"
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#include "renderer/backend/vulkan/Utilities.h"
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namespace Renderer
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{
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namespace Backend
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{
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namespace Vulkan
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{
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size_t CSamplerManager::SamplerDescHash::operator()(const Sampler::Desc& samplerDesc) const
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{
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size_t seed = 0;
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hash_combine(seed, samplerDesc.magFilter);
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hash_combine(seed, samplerDesc.minFilter);
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hash_combine(seed, samplerDesc.mipFilter);
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hash_combine(seed, samplerDesc.addressModeU);
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hash_combine(seed, samplerDesc.addressModeV);
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hash_combine(seed, samplerDesc.addressModeW);
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hash_combine(seed, samplerDesc.mipLODBias);
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hash_combine(seed, samplerDesc.anisotropyEnabled);
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hash_combine(seed, samplerDesc.maxAnisotropy);
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hash_combine(seed, samplerDesc.borderColor);
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hash_combine(seed, samplerDesc.compareEnabled);
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hash_combine(seed, samplerDesc.compareOp);
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return seed;
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}
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bool CSamplerManager::SamplerDescEqual::operator()(const Sampler::Desc& lhs, const Sampler::Desc& rhs) const
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{
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return
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lhs.magFilter == rhs.magFilter &&
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lhs.minFilter == rhs.minFilter &&
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lhs.mipFilter == rhs.mipFilter &&
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lhs.addressModeU == rhs.addressModeU &&
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lhs.addressModeV == rhs.addressModeV &&
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lhs.addressModeW == rhs.addressModeW &&
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lhs.mipLODBias == rhs.mipLODBias &&
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lhs.anisotropyEnabled == rhs.anisotropyEnabled &&
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lhs.maxAnisotropy == rhs.maxAnisotropy &&
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lhs.borderColor == rhs.borderColor &&
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lhs.compareEnabled == rhs.compareEnabled &&
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lhs.compareOp == rhs.compareOp;
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}
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CSamplerManager::CSamplerManager(CDevice* device)
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: m_Device(device)
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{
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}
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CSamplerManager::~CSamplerManager()
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{
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for (const auto& it : m_SamplerMap)
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if (it.second != VK_NULL_HANDLE)
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{
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m_Device->ScheduleObjectToDestroy(
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VK_OBJECT_TYPE_SAMPLER, it.second, VK_NULL_HANDLE);
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}
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m_SamplerMap.clear();
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}
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VkSampler CSamplerManager::GetOrCreateSampler(
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const Sampler::Desc& samplerDesc)
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{
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auto it = m_SamplerMap.find(samplerDesc);
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if (it != m_SamplerMap.end())
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return it->second;
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const IDevice::Capabilities& capabilities = m_Device->GetCapabilities();
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VkSamplerCreateInfo samplerCreateInfo{};
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samplerCreateInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
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samplerCreateInfo.magFilter = samplerDesc.magFilter == Sampler::Filter::LINEAR ? VK_FILTER_LINEAR : VK_FILTER_NEAREST;
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samplerCreateInfo.minFilter = samplerDesc.minFilter == Sampler::Filter::LINEAR ? VK_FILTER_LINEAR : VK_FILTER_NEAREST;
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samplerCreateInfo.mipmapMode = samplerDesc.mipFilter == Sampler::Filter::LINEAR ? VK_SAMPLER_MIPMAP_MODE_LINEAR : VK_SAMPLER_MIPMAP_MODE_NEAREST;
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samplerCreateInfo.addressModeU = Mapping::FromAddressMode(samplerDesc.addressModeU);
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samplerCreateInfo.addressModeV = Mapping::FromAddressMode(samplerDesc.addressModeV);
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samplerCreateInfo.addressModeW = Mapping::FromAddressMode(samplerDesc.addressModeW);
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samplerCreateInfo.mipLodBias = samplerDesc.mipLODBias;
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if (samplerDesc.anisotropyEnabled && capabilities.anisotropicFiltering)
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{
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samplerCreateInfo.anisotropyEnable = VK_TRUE;
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samplerCreateInfo.maxAnisotropy = std::min(samplerDesc.maxAnisotropy, capabilities.maxAnisotropy);
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}
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samplerCreateInfo.compareEnable = samplerDesc.compareEnabled ? VK_TRUE : VK_FALSE;
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samplerCreateInfo.compareOp = Mapping::FromCompareOp(samplerDesc.compareOp);
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samplerCreateInfo.minLod = -1000.0f;
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samplerCreateInfo.maxLod = 1000.0f;
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switch (samplerDesc.borderColor)
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{
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case Sampler::BorderColor::TRANSPARENT_BLACK:
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samplerCreateInfo.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK;
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break;
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case Sampler::BorderColor::OPAQUE_BLACK:
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samplerCreateInfo.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK;
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break;
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case Sampler::BorderColor::OPAQUE_WHITE:
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samplerCreateInfo.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
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break;
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}
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VkSampler sampler = VK_NULL_HANDLE;
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ENSURE_VK_SUCCESS(vkCreateSampler(
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m_Device->GetVkDevice(), &samplerCreateInfo, nullptr, &sampler));
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it = m_SamplerMap.emplace(samplerDesc, sampler).first;
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return sampler;
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}
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} // namespace Vulkan
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} // namespace Backend
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} // namespace Renderer
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