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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| 
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| #include "string.h"
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| #include "vk_layer_extension_utils.h"
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| 
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| #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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| 
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| /*
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|  * This file contains utility functions for layers
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|  */
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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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| 
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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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| 
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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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| 
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|     return VK_SUCCESS;
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| }
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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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| 
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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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| 
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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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| 
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|     return VK_SUCCESS;
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| }
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