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#include "deimos/vulkan/vulkan.h"
#include <deimos/core/api_registry.h>
#include <deimos/core/allocator.h>
#include <deimos/core/os.h>
#include <deimos/core/log.h>
static deimos::OsApi* os_api;
static deimos::LogApi* log_api;
namespace deimos
{
class VulkanLoaderImpl : public VulkanLoaderApi
{
Allocator* m_allocator;
gsl::owner<OsDll*> m_vulkan_dll{};
public:
explicit VulkanLoaderImpl(Allocator* allocator) : m_allocator{allocator} {}
VulkanApi* LoadEntry() override
{
if (m_vulkan_dll == nullptr)
{
m_vulkan_dll = os_api->dll->Open("vulkan-1.dll");
if (m_vulkan_dll != nullptr)
{
log_api->LogInfo("Vulkan DLL loaded");
}
else
{
deimos_Panic("Couldn't load Vulkan DLL");
}
}
VulkanApi* api = m_allocator->New<VulkanApi>();
#define FN(NAME) api->NAME = (PFN_vk##NAME)os_api->dll->GetSymbol(m_vulkan_dll, "vk" #NAME);
#include "deimos/vulkan/vulkan_bootstrap_functions.inc"
#undef FN
#define FN(NAME) api->NAME = (PFN_vk##NAME)api->GetInstanceProcAddr(VK_NULL_HANDLE, "vk" #NAME);
#include "deimos/vulkan/vulkan_entry_functions.inc"
#undef FN
return api;
}
void LoadInstance(VulkanApi* api, VkInstance instance) override
{
Expects(api != nullptr);
Expects(instance != VK_NULL_HANDLE);
Expects(api->GetInstanceProcAddr != nullptr);
#define FN(NAME) api->NAME = (PFN_vk##NAME)api->GetInstanceProcAddr(instance, "vk" #NAME);
#include "deimos/vulkan/vulkan_instance_functions.inc"
#undef FN
}
};
void RegisterVulkanLoaderApi(ApiRegistry* registry)
{
os_api = registry->Get<OsApi>();
log_api = registry->Get<LogApi>();
auto* allocator_api = registry->Get<AllocatorApi>();
auto* allocator = allocator_api->CreateChild(allocator_api->system, "Vulkan");
auto* impl = allocator->New<VulkanLoaderImpl>(allocator);
registry->Set(impl);
log_api->LogInfo("Vulkan loader API registered");
}
} // namespace deimos
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