VulkanTutorial/main.h
2016-10-30 01:21:33 -07:00

91 lines
2.6 KiB
C++

// Wrappers for extension functions that must be located using vkGetInstanceProcAddr
VkResult CreateDebugReportCallbackEXT(VkInstance instance, const VkDebugReportCallbackCreateInfoEXT* pCreateInfo,
const VkAllocationCallbacks* pAllocator, VkDebugReportCallbackEXT* pCallback) {
auto func = (PFN_vkCreateDebugReportCallbackEXT) vkGetInstanceProcAddr(instance, "vkCreateDebugReportCallbackEXT");
if(func != nullptr) {
return func(instance, pCreateInfo, pAllocator, pCallback);
} else {
return VK_ERROR_EXTENSION_NOT_PRESENT;
}
}
void DestroyDebugReportCallbackEXT(VkInstance instance, VkDebugReportCallbackEXT callback, const VkAllocationCallbacks* pAllocator) {
auto func = (PFN_vkDestroyDebugReportCallbackEXT) vkGetInstanceProcAddr(instance, "vkDestroyDebugReportCallbackEXT");
if(func != nullptr) {
func(instance, callback, pAllocator);
}
}
// VDeleter utility class that automatically destroys objects when they fall out of scope.
template <typename T>
class VDeleter {
public:
VDeleter() : VDeleter([](T, VkAllocationCallbacks*) {}) {}
VDeleter(std::function<void(T, VkAllocationCallbacks*)> deletef) {
this->deleter = [=](T obj) { deletef(obj, nullptr); };
}
VDeleter(const VDeleter<VkInstance>& instance, std::function<void(VkInstance, T, VkAllocationCallbacks*)> deletef) {
this->deleter = [&instance, deletef](T obj) { deletef(instance, obj, nullptr); };
}
VDeleter(const VDeleter<VkDevice>& device, std::function<void(VkDevice, T, VkAllocationCallbacks*)> deletef) {
this->deleter = [&device, deletef](T obj) { deletef(device, obj, nullptr); };
}
~VDeleter() {
cleanup();
}
const T* operator &() const {
return &object;
}
T* replace() {
cleanup();
return &object;
}
operator T() const {
return object;
}
void operator=(T rhs) {
if (rhs != object) {
cleanup();
object = rhs;
}
}
template<typename V>
bool operator==(V rhs) {
return object == T(rhs);
}
private:
T object{VK_NULL_HANDLE};
std::function<void(T)> deleter;
void cleanup() {
if (object != VK_NULL_HANDLE) {
deleter(object);
}
object = VK_NULL_HANDLE;
}
};
struct QueueFamilyIndices {
int graphicsFamily = -1;
int presentFamily = -1;
bool isComplete() {
return graphicsFamily >= 0 && presentFamily >= 0;
}
};
struct SwapChainSupportDetails {
VkSurfaceCapabilitiesKHR capabilities;
std::vector<VkSurfaceFormatKHR> formats;
std::vector<VkPresentModeKHR> presentModes;
};