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/* Copyright (c) 2015-2016 The Khronos Group Inc.
* Copyright (c) 2015-2016 Valve Corporation
* Copyright (c) 2015-2016 LunarG, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author: Courtney Goeltzenleuchter <courtney@LunarG.com>
*
*/
#include "string.h"
#include "vk_layer_extension_utils.h"
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
/*
* This file contains utility functions for layers
*/
VK_LAYER_EXPORT VkResult util_GetExtensionProperties(const uint32_t count, const VkExtensionProperties *layer_extensions,
uint32_t *pCount, VkExtensionProperties *pProperties) {
uint32_t copy_size;
if (pProperties == NULL || layer_extensions == NULL) {
*pCount = count;
return VK_SUCCESS;
}
copy_size = *pCount < count ? *pCount : count;
memcpy(pProperties, layer_extensions, copy_size * sizeof(VkExtensionProperties));
*pCount = copy_size;
if (copy_size < count) {
return VK_INCOMPLETE;
}
return VK_SUCCESS;
}
VK_LAYER_EXPORT VkResult util_GetLayerProperties(const uint32_t count, const VkLayerProperties *layer_properties, uint32_t *pCount,
VkLayerProperties *pProperties) {
uint32_t copy_size;
if (pProperties == NULL || layer_properties == NULL) {
*pCount = count;
return VK_SUCCESS;
}
copy_size = *pCount < count ? *pCount : count;
memcpy(pProperties, layer_properties, copy_size * sizeof(VkLayerProperties));
*pCount = copy_size;
if (copy_size < count) {
return VK_INCOMPLETE;
}
return VK_SUCCESS;
}
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