1 /////////////////////////////////////////////////////////////////////////////// 2 // 3 // Copyright (c) 2015-2016 The Khronos Group Inc. 4 // Copyright (c) 2015-2016 Valve Corporation 5 // Copyright (c) 2015-2016 LunarG, Inc. 6 // Copyright (c) 2015-2016 Google, Inc. 7 // 8 // Licensed under the Apache License, Version 2.0 (the "License"); 9 // you may not use this file except in compliance with the License. 10 // You may obtain a copy of the License at 11 // 12 // http://www.apache.org/licenses/LICENSE-2.0 13 // 14 // Unless required by applicable law or agreed to in writing, software 15 // distributed under the License is distributed on an "AS IS" BASIS, 16 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 // See the License for the specific language governing permissions and 18 // limitations under the License. 19 /////////////////////////////////////////////////////////////////////////////// 20 21 #include "vkjson.h" 22 23 #include <assert.h> 24 #include <string.h> 25 26 #include <cmath> 27 #include <cinttypes> 28 #include <cstdio> 29 #include <limits> 30 #include <memory> 31 #include <sstream> 32 #include <type_traits> 33 #include <utility> 34 35 #include <cJSON.h> 36 #include <vulkan/vk_sdk_platform.h> 37 38 namespace { 39 40 inline bool IsIntegral(double value) { 41 return std::trunc(value) == value; 42 } 43 44 template <typename T> struct EnumTraits; 45 template <> struct EnumTraits<VkPhysicalDeviceType> { 46 static uint32_t min() { return VK_PHYSICAL_DEVICE_TYPE_BEGIN_RANGE; } 47 static uint32_t max() { return VK_PHYSICAL_DEVICE_TYPE_END_RANGE; } 48 }; 49 50 template <> struct EnumTraits<VkFormat> { 51 static uint32_t min() { return VK_FORMAT_BEGIN_RANGE; } 52 static uint32_t max() { return VK_FORMAT_END_RANGE; } 53 }; 54 55 56 // VkSparseImageFormatProperties 57 58 template <typename Visitor> 59 inline bool Iterate(Visitor* visitor, VkExtent3D* extents) { 60 return 61 visitor->Visit("width", &extents->width) && 62 visitor->Visit("height", &extents->height) && 63 visitor->Visit("depth", &extents->depth); 64 } 65 66 template <typename Visitor> 67 inline bool Iterate(Visitor* visitor, VkImageFormatProperties* properties) { 68 return 69 visitor->Visit("maxExtent", &properties->maxExtent) && 70 visitor->Visit("maxMipLevels", &properties->maxMipLevels) && 71 visitor->Visit("maxArrayLayers", &properties->maxArrayLayers) && 72 visitor->Visit("sampleCounts", &properties->sampleCounts) && 73 visitor->Visit("maxResourceSize", &properties->maxResourceSize); 74 } 75 76 template <typename Visitor> 77 inline bool Iterate(Visitor* visitor, VkPhysicalDeviceLimits* limits) { 78 return 79 visitor->Visit("maxImageDimension1D", &limits->maxImageDimension1D) && 80 visitor->Visit("maxImageDimension2D", &limits->maxImageDimension2D) && 81 visitor->Visit("maxImageDimension3D", &limits->maxImageDimension3D) && 82 visitor->Visit("maxImageDimensionCube", &limits->maxImageDimensionCube) && 83 visitor->Visit("maxImageArrayLayers", &limits->maxImageArrayLayers) && 84 visitor->Visit("maxTexelBufferElements", &limits->maxTexelBufferElements) && 85 visitor->Visit("maxUniformBufferRange", &limits->maxUniformBufferRange) && 86 visitor->Visit("maxStorageBufferRange", &limits->maxStorageBufferRange) && 87 visitor->Visit("maxPushConstantsSize", &limits->maxPushConstantsSize) && 88 visitor->Visit("maxMemoryAllocationCount", &limits->maxMemoryAllocationCount) && 89 visitor->Visit("maxSamplerAllocationCount", &limits->maxSamplerAllocationCount) && 90 visitor->Visit("bufferImageGranularity", &limits->bufferImageGranularity) && 91 visitor->Visit("sparseAddressSpaceSize", &limits->sparseAddressSpaceSize) && 92 visitor->Visit("maxBoundDescriptorSets", &limits->maxBoundDescriptorSets) && 93 visitor->Visit("maxPerStageDescriptorSamplers", &limits->maxPerStageDescriptorSamplers) && 94 visitor->Visit("maxPerStageDescriptorUniformBuffers", &limits->maxPerStageDescriptorUniformBuffers) && 95 visitor->Visit("maxPerStageDescriptorStorageBuffers", &limits->maxPerStageDescriptorStorageBuffers) && 96 visitor->Visit("maxPerStageDescriptorSampledImages", &limits->maxPerStageDescriptorSampledImages) && 97 visitor->Visit("maxPerStageDescriptorStorageImages", &limits->maxPerStageDescriptorStorageImages) && 98 visitor->Visit("maxPerStageDescriptorInputAttachments", &limits->maxPerStageDescriptorInputAttachments) && 99 visitor->Visit("maxPerStageResources", &limits->maxPerStageResources) && 100 visitor->Visit("maxDescriptorSetSamplers", &limits->maxDescriptorSetSamplers) && 101 visitor->Visit("maxDescriptorSetUniformBuffers", &limits->maxDescriptorSetUniformBuffers) && 102 visitor->Visit("maxDescriptorSetUniformBuffersDynamic", &limits->maxDescriptorSetUniformBuffersDynamic) && 103 visitor->Visit("maxDescriptorSetStorageBuffers", &limits->maxDescriptorSetStorageBuffers) && 104 visitor->Visit("maxDescriptorSetStorageBuffersDynamic", &limits->maxDescriptorSetStorageBuffersDynamic) && 105 visitor->Visit("maxDescriptorSetSampledImages", &limits->maxDescriptorSetSampledImages) && 106 visitor->Visit("maxDescriptorSetStorageImages", &limits->maxDescriptorSetStorageImages) && 107 visitor->Visit("maxDescriptorSetInputAttachments", &limits->maxDescriptorSetInputAttachments) && 108 visitor->Visit("maxVertexInputAttributes", &limits->maxVertexInputAttributes) && 109 visitor->Visit("maxVertexInputBindings", &limits->maxVertexInputBindings) && 110 visitor->Visit("maxVertexInputAttributeOffset", &limits->maxVertexInputAttributeOffset) && 111 visitor->Visit("maxVertexInputBindingStride", &limits->maxVertexInputBindingStride) && 112 visitor->Visit("maxVertexOutputComponents", &limits->maxVertexOutputComponents) && 113 visitor->Visit("maxTessellationGenerationLevel", &limits->maxTessellationGenerationLevel) && 114 visitor->Visit("maxTessellationPatchSize", &limits->maxTessellationPatchSize) && 115 visitor->Visit("maxTessellationControlPerVertexInputComponents", &limits->maxTessellationControlPerVertexInputComponents) && 116 visitor->Visit("maxTessellationControlPerVertexOutputComponents", &limits->maxTessellationControlPerVertexOutputComponents) && 117 visitor->Visit("maxTessellationControlPerPatchOutputComponents", &limits->maxTessellationControlPerPatchOutputComponents) && 118 visitor->Visit("maxTessellationControlTotalOutputComponents", &limits->maxTessellationControlTotalOutputComponents) && 119 visitor->Visit("maxTessellationEvaluationInputComponents", &limits->maxTessellationEvaluationInputComponents) && 120 visitor->Visit("maxTessellationEvaluationOutputComponents", &limits->maxTessellationEvaluationOutputComponents) && 121 visitor->Visit("maxGeometryShaderInvocations", &limits->maxGeometryShaderInvocations) && 122 visitor->Visit("maxGeometryInputComponents", &limits->maxGeometryInputComponents) && 123 visitor->Visit("maxGeometryOutputComponents", &limits->maxGeometryOutputComponents) && 124 visitor->Visit("maxGeometryOutputVertices", &limits->maxGeometryOutputVertices) && 125 visitor->Visit("maxGeometryTotalOutputComponents", &limits->maxGeometryTotalOutputComponents) && 126 visitor->Visit("maxFragmentInputComponents", &limits->maxFragmentInputComponents) && 127 visitor->Visit("maxFragmentOutputAttachments", &limits->maxFragmentOutputAttachments) && 128 visitor->Visit("maxFragmentDualSrcAttachments", &limits->maxFragmentDualSrcAttachments) && 129 visitor->Visit("maxFragmentCombinedOutputResources", &limits->maxFragmentCombinedOutputResources) && 130 visitor->Visit("maxComputeSharedMemorySize", &limits->maxComputeSharedMemorySize) && 131 visitor->Visit("maxComputeWorkGroupCount", &limits->maxComputeWorkGroupCount) && 132 visitor->Visit("maxComputeWorkGroupInvocations", &limits->maxComputeWorkGroupInvocations) && 133 visitor->Visit("maxComputeWorkGroupSize", &limits->maxComputeWorkGroupSize) && 134 visitor->Visit("subPixelPrecisionBits", &limits->subPixelPrecisionBits) && 135 visitor->Visit("subTexelPrecisionBits", &limits->subTexelPrecisionBits) && 136 visitor->Visit("mipmapPrecisionBits", &limits->mipmapPrecisionBits) && 137 visitor->Visit("maxDrawIndexedIndexValue", &limits->maxDrawIndexedIndexValue) && 138 visitor->Visit("maxDrawIndirectCount", &limits->maxDrawIndirectCount) && 139 visitor->Visit("maxSamplerLodBias", &limits->maxSamplerLodBias) && 140 visitor->Visit("maxSamplerAnisotropy", &limits->maxSamplerAnisotropy) && 141 visitor->Visit("maxViewports", &limits->maxViewports) && 142 visitor->Visit("maxViewportDimensions", &limits->maxViewportDimensions) && 143 visitor->Visit("viewportBoundsRange", &limits->viewportBoundsRange) && 144 visitor->Visit("viewportSubPixelBits", &limits->viewportSubPixelBits) && 145 visitor->Visit("minMemoryMapAlignment", &limits->minMemoryMapAlignment) && 146 visitor->Visit("minTexelBufferOffsetAlignment", &limits->minTexelBufferOffsetAlignment) && 147 visitor->Visit("minUniformBufferOffsetAlignment", &limits->minUniformBufferOffsetAlignment) && 148 visitor->Visit("minStorageBufferOffsetAlignment", &limits->minStorageBufferOffsetAlignment) && 149 visitor->Visit("minTexelOffset", &limits->minTexelOffset) && 150 visitor->Visit("maxTexelOffset", &limits->maxTexelOffset) && 151 visitor->Visit("minTexelGatherOffset", &limits->minTexelGatherOffset) && 152 visitor->Visit("maxTexelGatherOffset", &limits->maxTexelGatherOffset) && 153 visitor->Visit("minInterpolationOffset", &limits->minInterpolationOffset) && 154 visitor->Visit("maxInterpolationOffset", &limits->maxInterpolationOffset) && 155 visitor->Visit("subPixelInterpolationOffsetBits", &limits->subPixelInterpolationOffsetBits) && 156 visitor->Visit("maxFramebufferWidth", &limits->maxFramebufferWidth) && 157 visitor->Visit("maxFramebufferHeight", &limits->maxFramebufferHeight) && 158 visitor->Visit("maxFramebufferLayers", &limits->maxFramebufferLayers) && 159 visitor->Visit("framebufferColorSampleCounts", &limits->framebufferColorSampleCounts) && 160 visitor->Visit("framebufferDepthSampleCounts", &limits->framebufferDepthSampleCounts) && 161 visitor->Visit("framebufferStencilSampleCounts", &limits->framebufferStencilSampleCounts) && 162 visitor->Visit("framebufferNoAttachmentsSampleCounts", &limits->framebufferNoAttachmentsSampleCounts) && 163 visitor->Visit("maxColorAttachments", &limits->maxColorAttachments) && 164 visitor->Visit("sampledImageColorSampleCounts", &limits->sampledImageColorSampleCounts) && 165 visitor->Visit("sampledImageIntegerSampleCounts", &limits->sampledImageIntegerSampleCounts) && 166 visitor->Visit("sampledImageDepthSampleCounts", &limits->sampledImageDepthSampleCounts) && 167 visitor->Visit("sampledImageStencilSampleCounts", &limits->sampledImageStencilSampleCounts) && 168 visitor->Visit("storageImageSampleCounts", &limits->storageImageSampleCounts) && 169 visitor->Visit("maxSampleMaskWords", &limits->maxSampleMaskWords) && 170 visitor->Visit("timestampComputeAndGraphics", &limits->timestampComputeAndGraphics) && 171 visitor->Visit("timestampPeriod", &limits->timestampPeriod) && 172 visitor->Visit("maxClipDistances", &limits->maxClipDistances) && 173 visitor->Visit("maxCullDistances", &limits->maxCullDistances) && 174 visitor->Visit("maxCombinedClipAndCullDistances", &limits->maxCombinedClipAndCullDistances) && 175 visitor->Visit("discreteQueuePriorities", &limits->discreteQueuePriorities) && 176 visitor->Visit("pointSizeRange", &limits->pointSizeRange) && 177 visitor->Visit("lineWidthRange", &limits->lineWidthRange) && 178 visitor->Visit("pointSizeGranularity", &limits->pointSizeGranularity) && 179 visitor->Visit("lineWidthGranularity", &limits->lineWidthGranularity) && 180 visitor->Visit("strictLines", &limits->strictLines) && 181 visitor->Visit("standardSampleLocations", &limits->standardSampleLocations) && 182 visitor->Visit("optimalBufferCopyOffsetAlignment", &limits->optimalBufferCopyOffsetAlignment) && 183 visitor->Visit("optimalBufferCopyRowPitchAlignment", &limits->optimalBufferCopyRowPitchAlignment) && 184 visitor->Visit("nonCoherentAtomSize", &limits->nonCoherentAtomSize); 185 } 186 187 template <typename Visitor> 188 inline bool Iterate(Visitor* visitor, 189 VkPhysicalDeviceSparseProperties* properties) { 190 return 191 visitor->Visit("residencyStandard2DBlockShape", &properties->residencyStandard2DBlockShape) && 192 visitor->Visit("residencyStandard2DMultisampleBlockShape", &properties->residencyStandard2DMultisampleBlockShape) && 193 visitor->Visit("residencyStandard3DBlockShape", &properties->residencyStandard3DBlockShape) && 194 visitor->Visit("residencyAlignedMipSize", &properties->residencyAlignedMipSize) && 195 visitor->Visit("residencyNonResidentStrict", &properties->residencyNonResidentStrict); 196 } 197 198 template <typename Visitor> 199 inline bool Iterate(Visitor* visitor, 200 VkPhysicalDeviceProperties* properties) { 201 return 202 visitor->Visit("apiVersion", &properties->apiVersion) && 203 visitor->Visit("driverVersion", &properties->driverVersion) && 204 visitor->Visit("vendorID", &properties->vendorID) && 205 visitor->Visit("deviceID", &properties->deviceID) && 206 visitor->Visit("deviceType", &properties->deviceType) && 207 visitor->Visit("deviceName", &properties->deviceName) && 208 visitor->Visit("pipelineCacheUUID", &properties->pipelineCacheUUID) && 209 visitor->Visit("limits", &properties->limits) && 210 visitor->Visit("sparseProperties", &properties->sparseProperties); 211 } 212 213 template <typename Visitor> 214 inline bool Iterate(Visitor* visitor, VkPhysicalDeviceFeatures* features) { 215 return 216 visitor->Visit("robustBufferAccess", &features->robustBufferAccess) && 217 visitor->Visit("fullDrawIndexUint32", &features->fullDrawIndexUint32) && 218 visitor->Visit("imageCubeArray", &features->imageCubeArray) && 219 visitor->Visit("independentBlend", &features->independentBlend) && 220 visitor->Visit("geometryShader", &features->geometryShader) && 221 visitor->Visit("tessellationShader", &features->tessellationShader) && 222 visitor->Visit("sampleRateShading", &features->sampleRateShading) && 223 visitor->Visit("dualSrcBlend", &features->dualSrcBlend) && 224 visitor->Visit("logicOp", &features->logicOp) && 225 visitor->Visit("multiDrawIndirect", &features->multiDrawIndirect) && 226 visitor->Visit("drawIndirectFirstInstance", &features->drawIndirectFirstInstance) && 227 visitor->Visit("depthClamp", &features->depthClamp) && 228 visitor->Visit("depthBiasClamp", &features->depthBiasClamp) && 229 visitor->Visit("fillModeNonSolid", &features->fillModeNonSolid) && 230 visitor->Visit("depthBounds", &features->depthBounds) && 231 visitor->Visit("wideLines", &features->wideLines) && 232 visitor->Visit("largePoints", &features->largePoints) && 233 visitor->Visit("alphaToOne", &features->alphaToOne) && 234 visitor->Visit("multiViewport", &features->multiViewport) && 235 visitor->Visit("samplerAnisotropy", &features->samplerAnisotropy) && 236 visitor->Visit("textureCompressionETC2", &features->textureCompressionETC2) && 237 visitor->Visit("textureCompressionASTC_LDR", &features->textureCompressionASTC_LDR) && 238 visitor->Visit("textureCompressionBC", &features->textureCompressionBC) && 239 visitor->Visit("occlusionQueryPrecise", &features->occlusionQueryPrecise) && 240 visitor->Visit("pipelineStatisticsQuery", &features->pipelineStatisticsQuery) && 241 visitor->Visit("vertexPipelineStoresAndAtomics", &features->vertexPipelineStoresAndAtomics) && 242 visitor->Visit("fragmentStoresAndAtomics", &features->fragmentStoresAndAtomics) && 243 visitor->Visit("shaderTessellationAndGeometryPointSize", &features->shaderTessellationAndGeometryPointSize) && 244 visitor->Visit("shaderImageGatherExtended", &features->shaderImageGatherExtended) && 245 visitor->Visit("shaderStorageImageExtendedFormats", &features->shaderStorageImageExtendedFormats) && 246 visitor->Visit("shaderStorageImageMultisample", &features->shaderStorageImageMultisample) && 247 visitor->Visit("shaderStorageImageReadWithoutFormat", &features->shaderStorageImageReadWithoutFormat) && 248 visitor->Visit("shaderStorageImageWriteWithoutFormat", &features->shaderStorageImageWriteWithoutFormat) && 249 visitor->Visit("shaderUniformBufferArrayDynamicIndexing", &features->shaderUniformBufferArrayDynamicIndexing) && 250 visitor->Visit("shaderSampledImageArrayDynamicIndexing", &features->shaderSampledImageArrayDynamicIndexing) && 251 visitor->Visit("shaderStorageBufferArrayDynamicIndexing", &features->shaderStorageBufferArrayDynamicIndexing) && 252 visitor->Visit("shaderStorageImageArrayDynamicIndexing", &features->shaderStorageImageArrayDynamicIndexing) && 253 visitor->Visit("shaderClipDistance", &features->shaderClipDistance) && 254 visitor->Visit("shaderCullDistance", &features->shaderCullDistance) && 255 visitor->Visit("shaderFloat64", &features->shaderFloat64) && 256 visitor->Visit("shaderInt64", &features->shaderInt64) && 257 visitor->Visit("shaderInt16", &features->shaderInt16) && 258 visitor->Visit("shaderResourceResidency", &features->shaderResourceResidency) && 259 visitor->Visit("shaderResourceMinLod", &features->shaderResourceMinLod) && 260 visitor->Visit("sparseBinding", &features->sparseBinding) && 261 visitor->Visit("sparseResidencyBuffer", &features->sparseResidencyBuffer) && 262 visitor->Visit("sparseResidencyImage2D", &features->sparseResidencyImage2D) && 263 visitor->Visit("sparseResidencyImage3D", &features->sparseResidencyImage3D) && 264 visitor->Visit("sparseResidency2Samples", &features->sparseResidency2Samples) && 265 visitor->Visit("sparseResidency4Samples", &features->sparseResidency4Samples) && 266 visitor->Visit("sparseResidency8Samples", &features->sparseResidency8Samples) && 267 visitor->Visit("sparseResidency16Samples", &features->sparseResidency16Samples) && 268 visitor->Visit("sparseResidencyAliased", &features->sparseResidencyAliased) && 269 visitor->Visit("variableMultisampleRate", &features->variableMultisampleRate) && 270 visitor->Visit("inheritedQueries", &features->inheritedQueries); 271 } 272 273 template <typename Visitor> 274 inline bool Iterate(Visitor* visitor, VkMemoryType* type) { 275 return 276 visitor->Visit("propertyFlags", &type->propertyFlags) && 277 visitor->Visit("heapIndex", &type->heapIndex); 278 } 279 280 template <typename Visitor> 281 inline bool Iterate(Visitor* visitor, VkMemoryHeap* heap) { 282 return 283 visitor->Visit("size", &heap->size) && 284 visitor->Visit("flags", &heap->flags); 285 } 286 287 template <typename Visitor> 288 inline bool Iterate(Visitor* visitor, VkPhysicalDeviceMemoryProperties* properties) { 289 return 290 visitor->Visit("memoryTypeCount", &properties->memoryTypeCount) && 291 visitor->VisitArray("memoryTypes", properties->memoryTypeCount, &properties->memoryTypes) && 292 visitor->Visit("memoryHeapCount", &properties->memoryHeapCount) && 293 visitor->VisitArray("memoryHeaps", properties->memoryHeapCount, &properties->memoryHeaps); 294 } 295 296 template <typename Visitor> 297 inline bool Iterate(Visitor* visitor, VkQueueFamilyProperties* properties) { 298 return 299 visitor->Visit("queueFlags", &properties->queueFlags) && 300 visitor->Visit("queueCount", &properties->queueCount) && 301 visitor->Visit("timestampValidBits", &properties->timestampValidBits) && 302 visitor->Visit("minImageTransferGranularity", &properties->minImageTransferGranularity); 303 } 304 305 template <typename Visitor> 306 inline bool Iterate(Visitor* visitor, VkExtensionProperties* properties) { 307 return 308 visitor->Visit("extensionName", &properties->extensionName) && 309 visitor->Visit("specVersion", &properties->specVersion); 310 } 311 312 template <typename Visitor> 313 inline bool Iterate(Visitor* visitor, VkLayerProperties* properties) { 314 return 315 visitor->Visit("layerName", &properties->layerName) && 316 visitor->Visit("specVersion", &properties->specVersion) && 317 visitor->Visit("implementationVersion", &properties->implementationVersion) && 318 visitor->Visit("description", &properties->description); 319 } 320 321 template <typename Visitor> 322 inline bool Iterate(Visitor* visitor, VkFormatProperties* properties) { 323 return 324 visitor->Visit("linearTilingFeatures", &properties->linearTilingFeatures) && 325 visitor->Visit("optimalTilingFeatures", &properties->optimalTilingFeatures) && 326 visitor->Visit("bufferFeatures", &properties->bufferFeatures); 327 } 328 329 template <typename Visitor> 330 inline bool Iterate(Visitor* visitor, VkJsonLayer* layer) { 331 return visitor->Visit("properties", &layer->properties) && 332 visitor->Visit("extensions", &layer->extensions); 333 } 334 335 template <typename Visitor> 336 inline bool Iterate(Visitor* visitor, VkJsonDevice* device) { 337 return visitor->Visit("properties", &device->properties) && 338 visitor->Visit("features", &device->features) && 339 visitor->Visit("memory", &device->memory) && 340 visitor->Visit("queues", &device->queues) && 341 visitor->Visit("extensions", &device->extensions) && 342 visitor->Visit("layers", &device->layers) && 343 visitor->Visit("formats", &device->formats); 344 } 345 346 template <typename Visitor> 347 inline bool Iterate(Visitor* visitor, VkJsonInstance* instance) { 348 return visitor->Visit("layers", &instance->layers) && 349 visitor->Visit("extensions", &instance->extensions) && 350 visitor->Visit("devices", &instance->devices); 351 } 352 353 template <typename T> 354 using EnableForArithmetic = 355 typename std::enable_if<std::is_arithmetic<T>::value, void>::type; 356 357 template <typename T> 358 using EnableForStruct = 359 typename std::enable_if<std::is_class<T>::value, void>::type; 360 361 template <typename T> 362 using EnableForEnum = 363 typename std::enable_if<std::is_enum<T>::value, void>::type; 364 365 template <typename T, typename = EnableForStruct<T>, typename = void> 366 cJSON* ToJsonValue(const T& value); 367 368 template <typename T, typename = EnableForArithmetic<T>> 369 inline cJSON* ToJsonValue(const T& value) { 370 return cJSON_CreateNumber(static_cast<double>(value)); 371 } 372 373 inline cJSON* ToJsonValue(const uint64_t& value) { 374 char string[19] = {0}; // "0x" + 16 digits + terminal \0 375 snprintf(string, sizeof(string), "0x%016" PRIx64, value); 376 return cJSON_CreateString(string); 377 } 378 379 template <typename T, typename = EnableForEnum<T>, typename = void, 380 typename = void> 381 inline cJSON* ToJsonValue(const T& value) { 382 return cJSON_CreateNumber(static_cast<double>(value)); 383 } 384 385 template <typename T> 386 inline cJSON* ArrayToJsonValue(uint32_t count, const T* values) { 387 cJSON* array = cJSON_CreateArray(); 388 for (unsigned int i = 0; i < count; ++i) 389 cJSON_AddItemToArray(array, ToJsonValue(values[i])); 390 return array; 391 } 392 393 template <typename T, unsigned int N> 394 inline cJSON* ToJsonValue(const T (&value)[N]) { 395 return ArrayToJsonValue(N, value); 396 } 397 398 template <size_t N> 399 inline cJSON* ToJsonValue(const char (&value)[N]) { 400 assert(strlen(value) < N); 401 return cJSON_CreateString(value); 402 } 403 404 template <typename T> 405 inline cJSON* ToJsonValue(const std::vector<T>& value) { 406 assert(value.size() <= std::numeric_limits<uint32_t>::max()); 407 return ArrayToJsonValue(static_cast<uint32_t>(value.size()), value.data()); 408 } 409 410 template <typename F, typename S> 411 inline cJSON* ToJsonValue(const std::pair<F, S>& value) { 412 cJSON* array = cJSON_CreateArray(); 413 cJSON_AddItemToArray(array, ToJsonValue(value.first)); 414 cJSON_AddItemToArray(array, ToJsonValue(value.second)); 415 return array; 416 } 417 418 template <typename F, typename S> 419 inline cJSON* ToJsonValue(const std::map<F, S>& value) { 420 cJSON* array = cJSON_CreateArray(); 421 for (auto& kv : value) 422 cJSON_AddItemToArray(array, ToJsonValue(kv)); 423 return array; 424 } 425 426 class JsonWriterVisitor { 427 public: 428 JsonWriterVisitor() : object_(cJSON_CreateObject()) {} 429 430 ~JsonWriterVisitor() { 431 if (object_) 432 cJSON_Delete(object_); 433 } 434 435 template <typename T> bool Visit(const char* key, const T* value) { 436 cJSON_AddItemToObjectCS(object_, key, ToJsonValue(*value)); 437 return true; 438 } 439 440 template <typename T, uint32_t N> 441 bool VisitArray(const char* key, uint32_t count, const T (*value)[N]) { 442 assert(count <= N); 443 cJSON_AddItemToObjectCS(object_, key, ArrayToJsonValue(count, *value)); 444 return true; 445 } 446 447 cJSON* get_object() const { return object_; } 448 cJSON* take_object() { 449 cJSON* object = object_; 450 object_ = nullptr; 451 return object; 452 } 453 454 private: 455 cJSON* object_; 456 }; 457 458 template <typename Visitor, typename T> 459 inline void VisitForWrite(Visitor* visitor, const T& t) { 460 Iterate(visitor, const_cast<T*>(&t)); 461 } 462 463 template <typename T, typename /*= EnableForStruct<T>*/, typename /*= void*/> 464 cJSON* ToJsonValue(const T& value) { 465 JsonWriterVisitor visitor; 466 VisitForWrite(&visitor, value); 467 return visitor.take_object(); 468 } 469 470 template <typename T, typename = EnableForStruct<T>> 471 bool AsValue(cJSON* json_value, T* t); 472 473 inline bool AsValue(cJSON* json_value, int32_t* value) { 474 double d = json_value->valuedouble; 475 if (json_value->type != cJSON_Number || !IsIntegral(d) || 476 d < static_cast<double>(std::numeric_limits<int32_t>::min()) || 477 d > static_cast<double>(std::numeric_limits<int32_t>::max())) 478 return false; 479 *value = static_cast<int32_t>(d); 480 return true; 481 } 482 483 inline bool AsValue(cJSON* json_value, uint64_t* value) { 484 if (json_value->type != cJSON_String) 485 return false; 486 int result = std::sscanf(json_value->valuestring, "0x%016" PRIx64, value); 487 return result == 1; 488 } 489 490 inline bool AsValue(cJSON* json_value, uint32_t* value) { 491 double d = json_value->valuedouble; 492 if (json_value->type != cJSON_Number || !IsIntegral(d) || 493 d < 0.0 || d > static_cast<double>(std::numeric_limits<uint32_t>::max())) 494 return false; 495 *value = static_cast<uint32_t>(d); 496 return true; 497 } 498 499 inline bool AsValue(cJSON* json_value, uint8_t* value) { 500 uint32_t value32 = 0; 501 AsValue(json_value, &value32); 502 if (value32 > std::numeric_limits<uint8_t>::max()) 503 return false; 504 *value = static_cast<uint8_t>(value32); 505 return true; 506 } 507 508 inline bool AsValue(cJSON* json_value, float* value) { 509 if (json_value->type != cJSON_Number) 510 return false; 511 *value = static_cast<float>(json_value->valuedouble); 512 return true; 513 } 514 515 template <typename T> 516 inline bool AsArray(cJSON* json_value, uint32_t count, T* values) { 517 if (json_value->type != cJSON_Array || 518 cJSON_GetArraySize(json_value) != count) 519 return false; 520 for (uint32_t i = 0; i < count; ++i) { 521 if (!AsValue(cJSON_GetArrayItem(json_value, i), values + i)) 522 return false; 523 } 524 return true; 525 } 526 527 template <typename T, unsigned int N> 528 inline bool AsValue(cJSON* json_value, T (*value)[N]) { 529 return AsArray(json_value, N, *value); 530 } 531 532 template <size_t N> 533 inline bool AsValue(cJSON* json_value, char (*value)[N]) { 534 if (json_value->type != cJSON_String) 535 return false; 536 size_t len = strlen(json_value->valuestring); 537 if (len >= N) 538 return false; 539 memcpy(*value, json_value->valuestring, len); 540 memset(*value + len, 0, N-len); 541 return true; 542 } 543 544 template <typename T, typename = EnableForEnum<T>, typename = void> 545 inline bool AsValue(cJSON* json_value, T* t) { 546 // TODO(piman): to/from strings instead? 547 uint32_t value = 0; 548 if (!AsValue(json_value, &value)) 549 return false; 550 if (value < EnumTraits<T>::min() || value > EnumTraits<T>::max()) 551 return false; 552 *t = static_cast<T>(value); 553 return true; 554 } 555 556 template <typename T> 557 inline bool AsValue(cJSON* json_value, std::vector<T>* value) { 558 if (json_value->type != cJSON_Array) 559 return false; 560 int size = cJSON_GetArraySize(json_value); 561 value->resize(size); 562 return AsArray(json_value, size, value->data()); 563 } 564 565 template <typename F, typename S> 566 inline bool AsValue(cJSON* json_value, std::pair<F, S>* value) { 567 if (json_value->type != cJSON_Array || cJSON_GetArraySize(json_value) != 2) 568 return false; 569 return AsValue(cJSON_GetArrayItem(json_value, 0), &value->first) && 570 AsValue(cJSON_GetArrayItem(json_value, 1), &value->second); 571 } 572 573 template <typename F, typename S> 574 inline bool AsValue(cJSON* json_value, std::map<F, S>* value) { 575 if (json_value->type != cJSON_Array) 576 return false; 577 int size = cJSON_GetArraySize(json_value); 578 for (int i = 0; i < size; ++i) { 579 std::pair<F, S> elem; 580 if (!AsValue(cJSON_GetArrayItem(json_value, i), &elem)) 581 return false; 582 if (!value->insert(elem).second) 583 return false; 584 } 585 return true; 586 } 587 588 template <typename T> 589 bool ReadValue(cJSON* object, const char* key, T* value, 590 std::string* errors) { 591 cJSON* json_value = cJSON_GetObjectItem(object, key); 592 if (!json_value) { 593 if (errors) 594 *errors = std::string(key) + " missing."; 595 return false; 596 } 597 if (AsValue(json_value, value)) 598 return true; 599 if (errors) 600 *errors = std::string("Wrong type for ") + std::string(key) + "."; 601 return false; 602 } 603 604 template <typename Visitor, typename T> 605 inline bool VisitForRead(Visitor* visitor, T* t) { 606 return Iterate(visitor, t); 607 } 608 609 class JsonReaderVisitor { 610 public: 611 JsonReaderVisitor(cJSON* object, std::string* errors) 612 : object_(object), errors_(errors) {} 613 614 template <typename T> bool Visit(const char* key, T* value) const { 615 return ReadValue(object_, key, value, errors_); 616 } 617 618 template <typename T, uint32_t N> 619 bool VisitArray(const char* key, uint32_t count, T (*value)[N]) { 620 if (count > N) 621 return false; 622 cJSON* json_value = cJSON_GetObjectItem(object_, key); 623 if (!json_value) { 624 if (errors_) 625 *errors_ = std::string(key) + " missing."; 626 return false; 627 } 628 if (AsArray(json_value, count, *value)) 629 return true; 630 if (errors_) 631 *errors_ = std::string("Wrong type for ") + std::string(key) + "."; 632 return false; 633 } 634 635 636 private: 637 cJSON* object_; 638 std::string* errors_; 639 }; 640 641 template <typename T, typename /*= EnableForStruct<T>*/> 642 bool AsValue(cJSON* json_value, T* t) { 643 if (json_value->type != cJSON_Object) 644 return false; 645 JsonReaderVisitor visitor(json_value, nullptr); 646 return VisitForRead(&visitor, t); 647 } 648 649 650 template <typename T> std::string VkTypeToJson(const T& t) { 651 JsonWriterVisitor visitor; 652 VisitForWrite(&visitor, t); 653 654 char* output = cJSON_Print(visitor.get_object()); 655 std::string result(output); 656 free(output); 657 return result; 658 } 659 660 template <typename T> bool VkTypeFromJson(const std::string& json, 661 T* t, 662 std::string* errors) { 663 *t = T(); 664 cJSON* object = cJSON_Parse(json.c_str()); 665 if (!object) { 666 if (errors) 667 errors->assign(cJSON_GetErrorPtr()); 668 return false; 669 } 670 bool result = AsValue(object, t); 671 cJSON_Delete(object); 672 return result; 673 } 674 675 } // anonymous namespace 676 677 std::string VkJsonInstanceToJson(const VkJsonInstance& instance) { 678 return VkTypeToJson(instance); 679 } 680 681 bool VkJsonInstanceFromJson(const std::string& json, 682 VkJsonInstance* instance, 683 std::string* errors) { 684 return VkTypeFromJson(json, instance, errors); 685 } 686 687 std::string VkJsonDeviceToJson(const VkJsonDevice& device) { 688 return VkTypeToJson(device); 689 } 690 691 bool VkJsonDeviceFromJson(const std::string& json, 692 VkJsonDevice* device, 693 std::string* errors) { 694 return VkTypeFromJson(json, device, errors); 695 }; 696 697 std::string VkJsonImageFormatPropertiesToJson( 698 const VkImageFormatProperties& properties) { 699 return VkTypeToJson(properties); 700 } 701 702 bool VkJsonImageFormatPropertiesFromJson(const std::string& json, 703 VkImageFormatProperties* properties, 704 std::string* errors) { 705 return VkTypeFromJson(json, properties, errors); 706 }; 707
