86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/* Copyright (c) 2020-2025, Broadcom Inc. and Contributors
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*
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* SPDX-License-Identifier: Apache-2.0
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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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#pragma once
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#include "common/helpers.h"
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#include "common/vk_common.h"
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namespace vkb
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{
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namespace core
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{
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template <vkb::BindingType bindingType>
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class Device;
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using DeviceC = Device<vkb::BindingType::C>;
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} // namespace core
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/**
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* @brief Represents a Vulkan Query Pool
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*/
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class QueryPool
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{
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public:
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/**
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* @brief Creates a Vulkan Query Pool
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* @param d The device to use
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* @param info Creation details
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*/
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QueryPool(vkb::core::DeviceC &d, const VkQueryPoolCreateInfo &info);
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QueryPool(const QueryPool &) = delete;
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QueryPool(QueryPool &&pool);
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~QueryPool();
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QueryPool &operator=(const QueryPool &) = delete;
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QueryPool &operator=(QueryPool &&) = delete;
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/**
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* @return The vulkan query pool handle
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*/
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VkQueryPool get_handle() const;
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/**
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* @brief Reset a range of queries in the query pool. Only call if VK_EXT_host_query_reset is enabled.
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* @param first_query The first query to reset
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* @param query_count The number of queries to reset
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*/
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void host_reset(uint32_t first_query, uint32_t query_count);
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/**
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* @brief Get query pool results
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* @param first_query The initial query index
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* @param num_queries The number of queries to read
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* @param result_bytes The number of bytes in the results array
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* @param results Array of bytes result_bytes long
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* @param stride The stride in bytes between results for individual queries
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* @param flags A bitmask of VkQueryResultFlagBits
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*/
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VkResult get_results(uint32_t first_query, uint32_t num_queries,
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size_t result_bytes, void *results, VkDeviceSize stride,
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VkQueryResultFlags flags);
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private:
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vkb::core::DeviceC &device;
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VkQueryPool handle{VK_NULL_HANDLE};
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};
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} // namespace vkb
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