76 lines
2.9 KiB
C++
76 lines
2.9 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "VulkanSamplerCache.h"
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#include "VulkanConstants.h"
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#include "vulkan/utils/Conversion.h"
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#include <utils/Panic.h>
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using namespace bluevk;
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namespace filament::backend {
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VulkanSamplerCache::VulkanSamplerCache(VkDevice device)
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: mDevice(device) {}
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VkSampler VulkanSamplerCache::getSampler(Params params) {
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auto iter = mCache.find(params);
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if (UTILS_LIKELY(iter != mCache.end())) {
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return iter->second;
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}
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VkSamplerYcbcrConversionInfo ycbcrConversion = {
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.sType = VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO,
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.conversion = params.conversion,
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};
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auto const& samplerParams = params.sampler;
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VkSamplerCreateInfo samplerInfo{
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.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
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.pNext = params.conversion != VK_NULL_HANDLE ? &ycbcrConversion : VK_NULL_HANDLE,
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.magFilter = fvkutils::getFilter(samplerParams.filterMag),
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.minFilter = fvkutils::getFilter(samplerParams.filterMin),
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.mipmapMode = fvkutils::getMipmapMode(samplerParams.filterMin),
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.addressModeU = fvkutils::getWrapMode(samplerParams.wrapS),
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.addressModeV = fvkutils::getWrapMode(samplerParams.wrapT),
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.addressModeW = fvkutils::getWrapMode(samplerParams.wrapR),
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.anisotropyEnable = samplerParams.anisotropyLog2 == 0 ? VK_FALSE : VK_TRUE,
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.maxAnisotropy = (float) (1u << samplerParams.anisotropyLog2),
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.compareEnable = fvkutils::getCompareEnable(samplerParams.compareMode),
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.compareOp = fvkutils::getCompareOp(samplerParams.compareFunc),
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.minLod = 0.0f,
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.maxLod = fvkutils::getMaxLod(samplerParams.filterMin),
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.borderColor = VK_BORDER_COLOR_INT_OPAQUE_BLACK,
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.unnormalizedCoordinates = VK_FALSE,
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};
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VkSampler sampler;
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VkResult result = vkCreateSampler(mDevice, &samplerInfo, VKALLOC, &sampler);
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FILAMENT_CHECK_POSTCONDITION(result == VK_SUCCESS) << "Unable to create sampler."
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<< " error=" << static_cast<int32_t>(result);
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mCache.insert({ params, sampler });
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return sampler;
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}
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void VulkanSamplerCache::terminate() noexcept {
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for (auto pair: mCache) {
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vkDestroySampler(mDevice, pair.second, VKALLOC);
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}
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mCache.clear();
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}
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}// namespace filament::backend
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