67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/* Copyright (c) 2015-2016 The Khronos Group Inc.
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* Copyright (c) 2015-2016 Valve Corporation
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* Copyright (c) 2015-2016 LunarG, Inc.
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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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* Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
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*
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*/
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#include "string.h"
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#include "vk_layer_extension_utils.h"
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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/*
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* This file contains utility functions for layers
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*/
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VK_LAYER_EXPORT VkResult util_GetExtensionProperties(const uint32_t count, const VkExtensionProperties *layer_extensions,
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uint32_t *pCount, VkExtensionProperties *pProperties) {
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uint32_t copy_size;
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if (pProperties == NULL || layer_extensions == NULL) {
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*pCount = count;
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return VK_SUCCESS;
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}
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copy_size = *pCount < count ? *pCount : count;
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memcpy(pProperties, layer_extensions, copy_size * sizeof(VkExtensionProperties));
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*pCount = copy_size;
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if (copy_size < count) {
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return VK_INCOMPLETE;
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}
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return VK_SUCCESS;
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}
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VK_LAYER_EXPORT VkResult util_GetLayerProperties(const uint32_t count, const VkLayerProperties *layer_properties, uint32_t *pCount,
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VkLayerProperties *pProperties) {
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uint32_t copy_size;
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if (pProperties == NULL || layer_properties == NULL) {
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*pCount = count;
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return VK_SUCCESS;
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}
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copy_size = *pCount < count ? *pCount : count;
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memcpy(pProperties, layer_properties, copy_size * sizeof(VkLayerProperties));
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*pCount = copy_size;
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if (copy_size < count) {
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return VK_INCOMPLETE;
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}
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return VK_SUCCESS;
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}
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