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Add Vulkan function dispatcher which queries pointers through vkGet*ProcAddress (#176)

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This commit is contained in:
Markus Tavenrath
2018-01-29 23:39:35 +08:00
committed by Andreas Süßenbach
parent 07b4e69c9d
commit 4b77709e49
4 changed files with 1221 additions and 536 deletions
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53
VulkanHppGenerator.cpp
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@@ -3936,7 +3936,7 @@ void VulkanHppGenerator::writeFunctionHeaderReturnType(std::ostream & os, std::s
void VulkanHppGenerator::writeFunctionHeaderTemplate(std::ostream & os, std::string const& indentation, CommandData const& commandData, bool enhanced, bool withDefault, bool isStructureChain)
{
std::string dispatch = withDefault ? std::string("typename Dispatch = DispatchLoader") : std::string("typename Dispatch");
std::string dispatch = withDefault ? std::string("typename Dispatch = DispatchLoaderStatic") : std::string("typename Dispatch");
if (enhanced && isStructureChain)
{
os << indentation << "template <typename ...T, " << dispatch << ">" << std::endl;
@@ -4818,9 +4818,9 @@ void VulkanHppGenerator::EnumData::addEnumValue(std::string const &name, std::st
}
}
void VulkanHppGenerator::writeDelegationClass(std::ostream &os)
void VulkanHppGenerator::writeDelegationClassStatic(std::ostream &os)
{
os << "class DispatchLoader" << std::endl
os << "class DispatchLoaderStatic" << std::endl
<< "{" << std::endl
<< "public:\n";
@@ -4860,6 +4860,49 @@ void VulkanHppGenerator::writeDelegationClass(std::ostream &os)
os << "};\n";
}
void VulkanHppGenerator::writeDelegationClassDynamic(std::ostream &os)
{
os << " class DispatchLoaderDynamic" << std::endl
<< " {" << std::endl
<< " public:" << std::endl;
for (auto command : m_commands)
{
enterProtect(os, command.second.protect);
os << " PFN_vk" << startUpperCase(command.second.fullName) << " vk" << startUpperCase(command.second.fullName) << " = 0;" << std::endl;
leaveProtect(os, command.second.protect);
}
// write initialization function to fetch function pointers
os << " public:" << std::endl
<< " DispatchLoaderDynamic(Instance instance = Instance(), Device device = Device())" << std::endl
<< " {" << std::endl
<< " if (instance)" << std::endl
<< " {" << std::endl
<< " init(instance, device);" << std::endl
<< " }" << std::endl
<< " }" << std::endl << std::endl
<< " void init(Instance instance, Device device = Device())" << std::endl
<< " {" << std::endl;
for (auto command : m_commands)
{
enterProtect(os, command.second.protect);
if (!command.second.params.empty()
&& m_handles.find(command.second.params[0].type) != m_handles.end()
&& command.second.params[0].type != "Instance")
{
os << " vk" << startUpperCase(command.second.fullName) << " = PFN_vk" << startUpperCase(command.second.fullName)
<< "(device ? device.getProcAddr( \"vk" << startUpperCase(command.second.fullName) << "\") : instance.getProcAddr( \"vk" << startUpperCase(command.second.fullName) << "\"));" << std::endl;
}
else {
os << " vk" << startUpperCase(command.second.fullName) << " = PFN_vk" << startUpperCase(command.second.fullName) << "(instance.getProcAddr( \"vk" << startUpperCase(command.second.fullName) << "\"));" << std::endl;
}
leaveProtect(os, command.second.protect);
}
os << " }" << std::endl;
os << " };\n";
}
int main( int argc, char **argv )
{
@@ -4992,12 +5035,14 @@ int main( int argc, char **argv )
<< resultValueHeader
<< createResultValueHeader;
generator.writeDelegationClass(ofs);
generator.writeDelegationClassStatic(ofs);
generator.writeTypes(ofs, defaultValues);
generator.writeStructureChainValidation(ofs);
generator.writeToStringFunctions(ofs);
generator.writeDelegationClassDynamic(ofs);
ofs << "} // namespace VULKAN_HPP_NAMESPACE" << std::endl
<< std::endl
<< "#endif" << std::endl;