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Fix std::hash specializations for null-terminated strings

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Instead of hashing the pointer, hash the string contents.

Fixes: https://github.com/KhronosGroup/Vulkan-Hpp/issues/1169
This commit is contained in:
Antonio Maiorano 2021-12-23 14:35:50 -05:00
parent 3de6ccafd6
commit e84bb64746
3 changed files with 149 additions and 43 deletions
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29
VulkanHppGenerator.cpp
View File

@ -11954,6 +11954,29 @@ std::string VulkanHppGenerator::generateStructHashSum( std::string const &
}
hashSum += " }\n";
}
else if ( member.type.type == "char" && !member.len.empty() )
{
assert( member.len.size() < 3 );
if ( member.len.size() == 1 )
{
assert( member.len[0] == "null-terminated" );
hashSum += " for ( const char* p = " + structName + "." + member.name + "; *p != '\\0'; ++p )\n";
hashSum += " {\n";
hashSum += " VULKAN_HPP_HASH_COMBINE( seed, *p );\n";
hashSum += " }\n";
}
else
{
assert( member.len[1] == "null-terminated" );
hashSum += " for ( size_t i = 0; i < " + structName + "." + member.len[0] + "; ++i )\n";
hashSum += " {\n";
hashSum += " for ( const char* p = " + structName + "." + member.name + "[i]; *p != '\\0'; ++p )\n";
hashSum += " {\n";
hashSum += " VULKAN_HPP_HASH_COMBINE( seed, *p );\n";
hashSum += " }\n";
hashSum += " }\n";
}
}
else
{
hashSum += " VULKAN_HPP_HASH_COMBINE( seed, " + structName + "." + member.name + " );\n";
@ -14408,8 +14431,7 @@ void VulkanHppGenerator::readSPIRVCapabilitiesSPIRVCapabilityEnableProperty(
}
if ( attribute.first == "requires" )
{
std::vector<std::string>
requires = tokenize( attribute.second, "," );
std::vector<std::string> requires = tokenize( attribute.second, "," );
for ( auto const & r : requires )
{
check( ( m_features.find( r ) != m_features.end() ) || ( m_extensions.find( r ) != m_extensions.end() ),
@ -14468,8 +14490,7 @@ void VulkanHppGenerator::readSPIRVCapabilitiesSPIRVCapabilityEnableStruct(
{
if ( attribute.first == "requires" )
{
std::vector<std::string>
requires = tokenize( attribute.second, "," );
std::vector<std::string> requires = tokenize( attribute.second, "," );
for ( auto const & r : requires )
{
check( ( m_features.find( r ) != m_features.end() ) || ( m_extensions.find( r ) != m_extensions.end() ),

40
tests/Hash/Hash.cpp
View File

@ -35,6 +35,7 @@ static char const * EngineName = "Vulkan.hpp";
int main( int /*argc*/, char ** /*argv*/ )
{
try
{
{
vk::ApplicationInfo appInfo( AppName, 1, EngineName, 1, VK_API_VERSION_1_1 );
vk::UniqueInstance instance = vk::createInstanceUnique( vk::InstanceCreateInfo( {}, &appInfo ) );
@ -51,16 +52,18 @@ int main( int /*argc*/, char ** /*argv*/ )
vk::FormatFeatureFlags fff;
auto hf = std::hash<vk::FormatFeatureFlags>{}( fff );
}
#if 14 <= VULKAN_HPP_CPP_VERSION
{
vk::AabbPositionsKHR aabb0, aabb1;
auto h3 = std::hash<vk::AabbPositionsKHR>{}( aabb0 );
auto h4 = std::hash<vk::AabbPositionsKHR>{}( aabb1 );
assert( h3 == h4 );
auto h1 = std::hash<vk::AabbPositionsKHR>{}( aabb0 );
auto h2 = std::hash<vk::AabbPositionsKHR>{}( aabb1 );
assert( h1 == h2 );
aabb0.minX = 1.0f;
auto h5 = std::hash<vk::AabbPositionsKHR>{}( aabb0 );
assert( h3 != h5 );
auto h3 = std::hash<vk::AabbPositionsKHR>{}( aabb0 );
assert( h1 != h3 );
std::unordered_set<vk::AabbPositionsKHR> aabbSet;
aabbSet.insert( aabb0 );
@ -69,7 +72,32 @@ int main( int /*argc*/, char ** /*argv*/ )
aabbMap[aabb0] = 1;
vk::AccelerationStructureBuildSizesInfoKHR asbsi;
auto h6 = std::hash<vk::AccelerationStructureBuildSizesInfoKHR>{}( asbsi );
auto h4 = std::hash<vk::AccelerationStructureBuildSizesInfoKHR>{}( asbsi );
}
{
std::string name1 = AppName;
std::string name2 = AppName;
vk::ApplicationInfo appInfo1( name1.c_str(), 1, EngineName, 1, VK_API_VERSION_1_1 );
vk::ApplicationInfo appInfo2( name2.c_str(), 1, EngineName, 1, VK_API_VERSION_1_1 );
auto h1 = std::hash<vk::ApplicationInfo>{}( appInfo1 );
auto h2 = std::hash<vk::ApplicationInfo>{}( appInfo2 );
assert( h1 == h2 );
}
{
std::vector<const char *> enabledLayers1 = { "Layer1", "Layer2", "Layer3" };
auto enabledLayers2 = enabledLayers1;
vk::ApplicationInfo appInfo( AppName, 1, EngineName, 1, VK_API_VERSION_1_1 );
vk::InstanceCreateInfo info1(
{}, &appInfo, static_cast<uint32_t>( enabledLayers1.size() ), enabledLayers1.data() );
vk::InstanceCreateInfo info2(
{}, &appInfo, static_cast<uint32_t>( enabledLayers2.size() ), enabledLayers2.data() );
auto h1 = std::hash<vk::InstanceCreateInfo>{}( info1 );
auto h2 = std::hash<vk::InstanceCreateInfo>{}( info2 );
assert( h1 == h2 );
}
#endif
}
catch ( vk::SystemError const & err )

87
vulkan/vulkan_hash.hpp
View File

@ -994,9 +994,15 @@ namespace std
std::size_t seed = 0;
VULKAN_HPP_HASH_COMBINE( seed, applicationInfo.sType );
VULKAN_HPP_HASH_COMBINE( seed, applicationInfo.pNext );
VULKAN_HPP_HASH_COMBINE( seed, applicationInfo.pApplicationName );
for ( const char * p = applicationInfo.pApplicationName; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
VULKAN_HPP_HASH_COMBINE( seed, applicationInfo.applicationVersion );
VULKAN_HPP_HASH_COMBINE( seed, applicationInfo.pEngineName );
for ( const char * p = applicationInfo.pEngineName; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
VULKAN_HPP_HASH_COMBINE( seed, applicationInfo.engineVersion );
VULKAN_HPP_HASH_COMBINE( seed, applicationInfo.apiVersion );
return seed;
@ -2196,7 +2202,10 @@ namespace std
VULKAN_HPP_HASH_COMBINE( seed, pipelineShaderStageCreateInfo.flags );
VULKAN_HPP_HASH_COMBINE( seed, pipelineShaderStageCreateInfo.stage );
VULKAN_HPP_HASH_COMBINE( seed, pipelineShaderStageCreateInfo.module );
VULKAN_HPP_HASH_COMBINE( seed, pipelineShaderStageCreateInfo.pName );
for ( const char * p = pipelineShaderStageCreateInfo.pName; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
VULKAN_HPP_HASH_COMBINE( seed, pipelineShaderStageCreateInfo.pSpecializationInfo );
return seed;
}
@ -2421,7 +2430,10 @@ namespace std
VULKAN_HPP_HASH_COMBINE( seed, cuFunctionCreateInfoNVX.sType );
VULKAN_HPP_HASH_COMBINE( seed, cuFunctionCreateInfoNVX.pNext );
VULKAN_HPP_HASH_COMBINE( seed, cuFunctionCreateInfoNVX.module );
VULKAN_HPP_HASH_COMBINE( seed, cuFunctionCreateInfoNVX.pName );
for ( const char * p = cuFunctionCreateInfoNVX.pName; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
return seed;
}
};
@ -2493,7 +2505,10 @@ namespace std
std::size_t seed = 0;
VULKAN_HPP_HASH_COMBINE( seed, debugMarkerMarkerInfoEXT.sType );
VULKAN_HPP_HASH_COMBINE( seed, debugMarkerMarkerInfoEXT.pNext );
VULKAN_HPP_HASH_COMBINE( seed, debugMarkerMarkerInfoEXT.pMarkerName );
for ( const char * p = debugMarkerMarkerInfoEXT.pMarkerName; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
for ( size_t i = 0; i < 4; ++i )
{
VULKAN_HPP_HASH_COMBINE( seed, debugMarkerMarkerInfoEXT.color[i] );
@ -2513,7 +2528,10 @@ namespace std
VULKAN_HPP_HASH_COMBINE( seed, debugMarkerObjectNameInfoEXT.pNext );
VULKAN_HPP_HASH_COMBINE( seed, debugMarkerObjectNameInfoEXT.objectType );
VULKAN_HPP_HASH_COMBINE( seed, debugMarkerObjectNameInfoEXT.object );
VULKAN_HPP_HASH_COMBINE( seed, debugMarkerObjectNameInfoEXT.pObjectName );
for ( const char * p = debugMarkerObjectNameInfoEXT.pObjectName; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
return seed;
}
};
@ -2561,7 +2579,10 @@ namespace std
std::size_t seed = 0;
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsLabelEXT.sType );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsLabelEXT.pNext );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsLabelEXT.pLabelName );
for ( const char * p = debugUtilsLabelEXT.pLabelName; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
for ( size_t i = 0; i < 4; ++i )
{
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsLabelEXT.color[i] );
@ -2581,7 +2602,10 @@ namespace std
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsObjectNameInfoEXT.pNext );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsObjectNameInfoEXT.objectType );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsObjectNameInfoEXT.objectHandle );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsObjectNameInfoEXT.pObjectName );
for ( const char * p = debugUtilsObjectNameInfoEXT.pObjectName; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
return seed;
}
};
@ -2596,9 +2620,15 @@ namespace std
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsMessengerCallbackDataEXT.sType );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsMessengerCallbackDataEXT.pNext );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsMessengerCallbackDataEXT.flags );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsMessengerCallbackDataEXT.pMessageIdName );
for ( const char * p = debugUtilsMessengerCallbackDataEXT.pMessageIdName; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsMessengerCallbackDataEXT.messageIdNumber );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsMessengerCallbackDataEXT.pMessage );
for ( const char * p = debugUtilsMessengerCallbackDataEXT.pMessage; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsMessengerCallbackDataEXT.queueLabelCount );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsMessengerCallbackDataEXT.pQueueLabels );
VULKAN_HPP_HASH_COMBINE( seed, debugUtilsMessengerCallbackDataEXT.cmdBufLabelCount );
@ -3089,9 +3119,21 @@ namespace std
VULKAN_HPP_HASH_COMBINE( seed, deviceCreateInfo.queueCreateInfoCount );
VULKAN_HPP_HASH_COMBINE( seed, deviceCreateInfo.pQueueCreateInfos );
VULKAN_HPP_HASH_COMBINE( seed, deviceCreateInfo.enabledLayerCount );
VULKAN_HPP_HASH_COMBINE( seed, deviceCreateInfo.ppEnabledLayerNames );
for ( size_t i = 0; i < deviceCreateInfo.enabledLayerCount; ++i )
{
for ( const char * p = deviceCreateInfo.ppEnabledLayerNames[i]; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
}
VULKAN_HPP_HASH_COMBINE( seed, deviceCreateInfo.enabledExtensionCount );
VULKAN_HPP_HASH_COMBINE( seed, deviceCreateInfo.ppEnabledExtensionNames );
for ( size_t i = 0; i < deviceCreateInfo.enabledExtensionCount; ++i )
{
for ( const char * p = deviceCreateInfo.ppEnabledExtensionNames[i]; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
}
VULKAN_HPP_HASH_COMBINE( seed, deviceCreateInfo.pEnabledFeatures );
return seed;
}
@ -3630,7 +3672,10 @@ namespace std
{
std::size_t seed = 0;
VULKAN_HPP_HASH_COMBINE( seed, displayPropertiesKHR.display );
VULKAN_HPP_HASH_COMBINE( seed, displayPropertiesKHR.displayName );
for ( const char * p = displayPropertiesKHR.displayName; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
VULKAN_HPP_HASH_COMBINE( seed, displayPropertiesKHR.physicalDimensions );
VULKAN_HPP_HASH_COMBINE( seed, displayPropertiesKHR.physicalResolution );
VULKAN_HPP_HASH_COMBINE( seed, displayPropertiesKHR.supportedTransforms );
@ -5411,9 +5456,21 @@ namespace std
VULKAN_HPP_HASH_COMBINE( seed, instanceCreateInfo.flags );
VULKAN_HPP_HASH_COMBINE( seed, instanceCreateInfo.pApplicationInfo );
VULKAN_HPP_HASH_COMBINE( seed, instanceCreateInfo.enabledLayerCount );
VULKAN_HPP_HASH_COMBINE( seed, instanceCreateInfo.ppEnabledLayerNames );
for ( size_t i = 0; i < instanceCreateInfo.enabledLayerCount; ++i )
{
for ( const char * p = instanceCreateInfo.ppEnabledLayerNames[i]; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
}
VULKAN_HPP_HASH_COMBINE( seed, instanceCreateInfo.enabledExtensionCount );
VULKAN_HPP_HASH_COMBINE( seed, instanceCreateInfo.ppEnabledExtensionNames );
for ( size_t i = 0; i < instanceCreateInfo.enabledExtensionCount; ++i )
{
for ( const char * p = instanceCreateInfo.ppEnabledExtensionNames[i]; *p != '\0'; ++p )
{
VULKAN_HPP_HASH_COMBINE( seed, *p );
}
}
return seed;
}
};