1 /* 2 * Copyright 2018 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 * 7 */ 8 9 // 10 // 11 // 12 13 #include <stdio.h> 14 15 // 16 // 17 // 18 19 #include "cache_vk.h" 20 #include "assert_vk.h" 21 #include "host_alloc.h" 22 23 // 24 // 25 // 26 27 void 28 vk_pipeline_cache_create(VkDevice device, 29 VkAllocationCallbacks const * allocator, 30 char const * const name, 31 VkPipelineCache * pipeline_cache) 32 { 33 VkPipelineCacheCreateInfo pipeline_cache_info = { 34 .sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO, 35 .pNext = NULL, 36 .flags = 0, 37 .initialDataSize = 0, 38 .pInitialData = NULL 39 }; 40 41 FILE * f = fopen(name,"rb"); 42 void * data = NULL; 43 44 if (f != NULL) 45 { 46 if (fseek(f,0L,SEEK_END) == 0) 47 { 48 pipeline_cache_info.initialDataSize = ftell(f); 49 50 if (pipeline_cache_info.initialDataSize > 0) 51 { 52 fseek(f, 0L, SEEK_SET); 53 54 data = vk_host_alloc(allocator,pipeline_cache_info.initialDataSize); 55 56 size_t read_size = fread(data,pipeline_cache_info.initialDataSize,1,f); 57 58 pipeline_cache_info.pInitialData = data; 59 } 60 } 61 62 fclose(f); 63 } 64 65 vk(CreatePipelineCache(device, 66 &pipeline_cache_info, 67 allocator, 68 pipeline_cache)); 69 70 71 if (data != NULL) 72 vk_host_free(allocator,data); 73 } 74 75 // 76 // 77 // 78 79 void 80 vk_pipeline_cache_destroy(VkDevice device, 81 VkAllocationCallbacks const * allocator, 82 char const * const name, 83 VkPipelineCache pipeline_cache) 84 { 85 size_t data_size; 86 87 vkGetPipelineCacheData(device,pipeline_cache,&data_size,NULL); 88 89 if (data_size > 0) 90 { 91 void * data = vk_host_alloc(allocator,data_size); 92 93 vkGetPipelineCacheData(device,pipeline_cache,&data_size,data); 94 95 FILE * f = fopen(name,"wb"); 96 97 if (f != NULL) 98 { 99 fwrite(data,data_size,1,f); 100 fclose(f); 101 } 102 103 vk_host_free(allocator,data); 104 } 105 106 vkDestroyPipelineCache(device,pipeline_cache,allocator); 107 } 108 109 // 110 // 111 // 112
