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Add support for a full volk replacement by supporting a global DispatchLoaderDynamic. The global dynamic dispatcher will be available if either the define VULKAN_HPP_DISPATCH_LOADER_DYNAMIC is set to 1 or if VK_NO_PROTOTYPES is defined. In those cases it is required to add VULKAN_HPP_DEFAULT_DISPATCH_LOADER_DYNAMIC_STORAGE; to any compilation unit of the project to allocate storage for the dispatcher. (#390)

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This commit is contained in:
Markus Tavenrath 2019-09-25 11:59:39 +02:00 committed by Andreas Süßenbach
parent 9df0fac638
commit e26cb8113a
3 changed files with 2449 additions and 2075 deletions
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101
VulkanHppGenerator.cpp
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@ -1100,13 +1100,13 @@ void VulkanHppGenerator::appendDispatchLoaderDynamic(std::string & str)
#if !defined(VK_NO_PROTOTYPES)
// This interface is designed to be used for per-device function pointers in combination with a linked vulkan library.
DispatchLoaderDynamic(vk::Instance const& instance, vk::Device const& device = {})
DispatchLoaderDynamic(vk::Instance const& instance, vk::Device const& device)
{
init(instance, device);
}
// This interface is designed to be used for per-device function pointers in combination with a linked vulkan library.
void init(vk::Instance const& instance, vk::Device const& device = {})
void init(vk::Instance const& instance, vk::Device const& device)
{
init(static_cast<VkInstance>(instance), ::vkGetInstanceProcAddr, static_cast<VkDevice>(device), device ? ::vkGetDeviceProcAddr : nullptr);
}
@ -1134,47 +1134,75 @@ void VulkanHppGenerator::appendDispatchLoaderDynamic(std::string & str)
}
// This interface does not require a linked vulkan library.
void init( VkInstance instance, PFN_vkGetInstanceProcAddr getInstanceProcAddr, VkDevice device = VK_NULL_HANDLE, PFN_vkGetDeviceProcAddr getDeviceProcAddr = nullptr )
void init( VkInstance instance, PFN_vkGetInstanceProcAddr getInstanceProcAddr, VkDevice device = VK_NULL_HANDLE, PFN_vkGetDeviceProcAddr /*getDeviceProcAddr*/ = nullptr )
{
VULKAN_HPP_ASSERT(instance && getInstanceProcAddr);
vkGetInstanceProcAddr = getInstanceProcAddr;
vkGetDeviceProcAddr = getDeviceProcAddr ? getDeviceProcAddr : PFN_vkGetDeviceProcAddr( vkGetInstanceProcAddr( instance, "vkGetDeviceProcAddr") );
init( vk::Instance(instance) );
if (device) {
init( vk::Device(device) );
}
}
void init( vk::Instance instance )
{
)";
std::string strDeviceFunctions;
std::string strDeviceFunctionsInstance;
std::string strInstanceFunctions;
for (auto const& handle : m_handles)
{
for (auto const& command : handle.second.commands)
{
if ((command.first != "vkGetDeviceProcAddr") && (command.first != "vkGetInstanceProcAddr"))
if ((command.first != "vkGetInstanceProcAddr"))
{
std::string enter, leave;
appendPlatformEnter(enter, command.second.platform);
appendPlatformLeave(leave, command.second.platform);
str += enter;
if (!command.second.params.empty()
&& m_handles.find(command.second.params[0].type.type) != m_handles.end()
&& command.second.params[0].type.type != "VkInstance"
&& command.second.params[0].type.type != "VkPhysicalDevice")
{
str += " " + command.first + " = PFN_" + command.first
+ "( device ? vkGetDeviceProcAddr( device, \"" + command.first + "\" ) : vkGetInstanceProcAddr( instance, \"" + command.first + "\" ) );\n";
strDeviceFunctions += enter;
strDeviceFunctions += " " + command.first + " = PFN_" + command.first
+ "( vkGetDeviceProcAddr( device, \"" + command.first + "\" ) );\n";
strDeviceFunctions += leave;
strDeviceFunctionsInstance += enter;
strDeviceFunctionsInstance += " " + command.first + " = PFN_" + command.first
+ "( vkGetInstanceProcAddr( instance, \"" + command.first + "\" ) );\n";
strDeviceFunctionsInstance += leave;
}
else
{
str += " " + command.first + " = PFN_" + command.first + "( vkGetInstanceProcAddr( instance, \"" + command.first + "\" ) );\n";
strInstanceFunctions += enter;
strInstanceFunctions += " " + command.first + " = PFN_" + command.first + "( vkGetInstanceProcAddr( instance, \"" + command.first + "\" ) );\n";
strInstanceFunctions += leave;
}
str += leave;
}
}
}
str += " }\n"
" };\n";
str += strInstanceFunctions;
str += strDeviceFunctionsInstance;
str += " }\n\n";
str += " void init( vk::Device device )\n {\n";
str += strDeviceFunctions;
str += R"( }
};
#define VULKAN_HPP_DEFAULT_DISPATCH_LOADER_DYNAMIC_STORAGE namespace vk { DispatchLoaderDynamic defaultDispatchLoaderDynamic; }
)";
}
void VulkanHppGenerator::appendDispatchLoaderStatic(std::string & str)
{
str += R"(
#if !defined(VK_NO_PROTOTYPES)
class DispatchLoaderStatic
{
public:)";
@ -1211,19 +1239,35 @@ void VulkanHppGenerator::appendDispatchLoaderStatic(std::string & str)
appendPlatformLeave(str, command.second.platform);
}
}
str += " };\n";
str += " };\n#endif\n";
}
void VulkanHppGenerator::appendDispatchLoaderDefault(std::string & str)
{
str += "\n"
"#if !defined(VK_NO_PROTOTYPES)";
appendDispatchLoaderStatic(str);
str += R"(
typedef DispatchLoaderStatic DispatchLoaderDefault;
#else // !defined(VK_NO_PROTOTYPES)
class NeedExplicitDispatchLoader;
typedef NeedExplicitDispatchLoader DispatchLoaderDefault;
R"( class DispatchLoaderDynamic;
#if !defined(VULKAN_HPP_DISPATCH_LOADER_DYNAMIC)
# if defined(VK_NO_PROTOTYPES)
# define VULKAN_HPP_DISPATCH_LOADER_DYNAMIC 1
# else
# define VULKAN_HPP_DISPATCH_LOADER_DYNAMIC 0
# endif
#endif
#if !defined(VULKAN_HPP_DEFAULT_DISPATCHER)
# if VULKAN_HPP_DISPATCH_LOADER_DYNAMIC == 1
#define VULKAN_HPP_DEFAULT_DISPATCHER ::vk::defaultDispatchLoaderDynamic
# else
# define VULKAN_HPP_DEFAULT_DISPATCHER ::vk::DispatchLoaderStatic()
# endif
#endif
#if !defined(VULKAN_HPP_DEFAULT_DISPATCHER_TYPE)
# if VULKAN_HPP_DISPATCH_LOADER_DYNAMIC == 1
#define VULKAN_HPP_DEFAULT_DISPATCHER_TYPE ::vk::DispatchLoaderDynamic
# else
# define VULKAN_HPP_DEFAULT_DISPATCHER_TYPE ::vk::DispatchLoaderStatic
# endif
#endif
)";
}
@ -1950,7 +1994,7 @@ void VulkanHppGenerator::appendFunctionHeaderArgumentsEnhanced(std::string & str
str += "Dispatch const &d";
if (withDefaults && !withAllocator)
{
str += " = Dispatch()";
str += " = VULKAN_HPP_DEFAULT_DISPATCHER";
}
str += " ";
}
@ -1977,7 +2021,7 @@ void VulkanHppGenerator::appendFunctionHeaderArgumentsStandard(std::string & str
str += "Dispatch const &d";
if (withDefaults)
{
str += " = Dispatch() ";
str += " = VULKAN_HPP_DEFAULT_DISPATCHER ";
}
}
@ -2087,7 +2131,7 @@ void VulkanHppGenerator::appendFunctionHeaderTemplate(std::string & str, std::st
str += ", ";
}
}
str += std::string("typename Dispatch") + (withDefault ? " = DispatchLoaderDefault" : "") + ">\n";
str += std::string("typename Dispatch") + (withDefault ? " = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE" : "") + ">\n";
}
void VulkanHppGenerator::appendHandle(std::string & str, std::pair<std::string, HandleData> const& handleData, std::set<std::string> & listedHandles) const
@ -2908,7 +2952,7 @@ void VulkanHppGenerator::appendUniqueTypes(std::string & str, std::string const&
std::string deleterPool = handleIt->second.deletePool.empty() ? "" : ", " + stripPrefix(handleIt->second.deletePool, "Vk");
str += "\n"
" template <typename Dispatch> class UniqueHandleTraits<" + type + ", Dispatch> { public: using deleter = " + deleterType + deleterAction + "<" + deleterParent + deleterPool + ", Dispatch>; };\n"
" using Unique" + type + " = UniqueHandle<" + type + ", DispatchLoaderDefault>;";
" using Unique" + type + " = UniqueHandle<" + type + ", VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>;";
}
str += "\n"
"#endif /*VULKAN_HPP_NO_SMART_HANDLE*/\n";
@ -4501,7 +4545,7 @@ int main( int argc, char **argv )
class ObjectDestroy
{
public:
ObjectDestroy( OwnerType owner = OwnerType(), Optional<const AllocationCallbacks> allocationCallbacks = nullptr, Dispatch const &dispatch = Dispatch() )
ObjectDestroy( OwnerType owner = OwnerType(), Optional<const AllocationCallbacks> allocationCallbacks = nullptr, Dispatch const &dispatch = VULKAN_HPP_DEFAULT_DISPATCHER )
: m_owner( owner )
, m_allocationCallbacks( allocationCallbacks )
, m_dispatch( &dispatch )
@ -4529,7 +4573,7 @@ int main( int argc, char **argv )
class ObjectDestroy<NoParent,Dispatch>
{
public:
ObjectDestroy( Optional<const AllocationCallbacks> allocationCallbacks = nullptr, Dispatch const &dispatch = Dispatch() )
ObjectDestroy( Optional<const AllocationCallbacks> allocationCallbacks = nullptr, Dispatch const &dispatch = VULKAN_HPP_DEFAULT_DISPATCHER )
: m_allocationCallbacks( allocationCallbacks )
, m_dispatch( &dispatch )
{}
@ -4554,7 +4598,7 @@ int main( int argc, char **argv )
class ObjectFree
{
public:
ObjectFree( OwnerType owner = OwnerType(), Optional<const AllocationCallbacks> allocationCallbacks = nullptr, Dispatch const &dispatch = Dispatch() )
ObjectFree( OwnerType owner = OwnerType(), Optional<const AllocationCallbacks> allocationCallbacks = nullptr, Dispatch const &dispatch = VULKAN_HPP_DEFAULT_DISPATCHER )
: m_owner( owner )
, m_allocationCallbacks( allocationCallbacks )
, m_dispatch( &dispatch )
@ -4600,7 +4644,7 @@ int main( int argc, char **argv )
class PoolFree
{
public:
PoolFree( OwnerType owner = OwnerType(), PoolType pool = PoolType(), Dispatch const &dispatch = Dispatch() )
PoolFree( OwnerType owner = OwnerType(), PoolType pool = PoolType(), Dispatch const &dispatch = VULKAN_HPP_DEFAULT_DISPATCHER )
: m_owner( owner )
, m_pool( pool )
, m_dispatch( &dispatch )
@ -5290,6 +5334,7 @@ namespace std
+ classOptional
+ classStructureChain
+ classUniqueHandle;
generator.appendDispatchLoaderStatic(str);
generator.appendDispatchLoaderDefault(str);
str += classObjectDestroy
+ classObjectFree

36
tests/DispatchLoaderDynamic/DispatchLoaderDynamic.cpp
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@ -15,47 +15,41 @@
// VulkanHpp Samples : DispatchLoaderDynamic
// Compile test on DispatchLoaderDynamic functions
#define VULKAN_HPP_DISPATCH_LOADER_DYNAMIC 1
#include <vulkan/vulkan.h>
#include "vulkan/vulkan.hpp"
#include <iostream>
#include <map>
static char const* AppName = "DispatchLoaderDynamic";
static char const* EngineName = "Vulkan.hpp";
VULKAN_HPP_DEFAULT_DISPATCH_LOADER_DYNAMIC_STORAGE;
int main(int /*argc*/, char ** /*argv*/)
{
try
{
vk::DispatchLoaderDynamic dld0;
vk::DynamicLoader dl;
PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = dl.getProcAddress<PFN_vkGetInstanceProcAddr>("vkGetInstanceProcAddr");
VULKAN_HPP_DEFAULT_DISPATCHER.init(vkGetInstanceProcAddr);
// empty DispatchLoaderDynamic, used for init calls later on
vk::DispatchLoaderDynamic dld_boot(vkGetInstanceProcAddr);
vk::Instance instance = vk::createInstance({}, nullptr, dld_boot);
vk::Instance instance = vk::createInstance({}, nullptr);
vk::DispatchLoaderDynamic dld1(instance, vkGetInstanceProcAddr);
// compare to the empty dispatcher, and init the empty dispatcher the same way
assert(memcmp(&dld0, &dld1, sizeof(vk::DispatchLoaderDynamic)) != 0);
dld0.init(instance, vkGetInstanceProcAddr);
assert(memcmp(&dld0, &dld1, sizeof(vk::DispatchLoaderDynamic)) == 0);
// initialize function pointers for instance
VULKAN_HPP_DEFAULT_DISPATCHER.init(instance);
// create a dispatcher, based on additional vkDevice/vkGetDeviceProcAddr
std::vector<vk::PhysicalDevice> physicalDevices = instance.enumeratePhysicalDevices(dld1);
std::vector<vk::PhysicalDevice> physicalDevices = instance.enumeratePhysicalDevices();
assert(!physicalDevices.empty());
vk::Device device = physicalDevices[0].createDevice({}, nullptr, dld1);
vk::Device device = physicalDevices[0].createDevice({}, nullptr);
// device specialization functions
vk::DispatchLoaderDynamic dld2(instance, vkGetInstanceProcAddr, device);
// compare to "simpler" dispatcher and make them equal
assert(memcmp(&dld0, &dld2, sizeof(vk::DispatchLoaderDynamic)) != 0);
dld0.init(instance, vkGetInstanceProcAddr, device);
assert(memcmp(&dld0, &dld2, sizeof(vk::DispatchLoaderDynamic)) == 0);
// function pointer specialization for device
VULKAN_HPP_DEFAULT_DISPATCHER.init(device);
}
catch (vk::SystemError err)
{

4387
vulkan/vulkan.hpp
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