DxgiInfoManager.cpp

#include "DxgiInfoManager.h"
#include "Window.h"
#include "Graphics.h"
#include <dxgidebug.h>
#include <memory>

#pragma comment(lib, "dxguid.lib")

#define GFX_THROW_NOINFO(hrcall) if(FAILED(hr=(hrcall))) throw Graphics::HrException(__LINE__,__FILE__, hr)

DxgiInfoManager::DxgiInfoManager() {
	typedef HRESULT(WINAPI* DXGIGetDebugInterface)(REFIID, void**);

	const auto hModDxgiDebug = LoadLibraryEx("dxgidebug.dll", nullptr, LOAD_LIBRARY_SEARCH_SYSTEM32);
	if (hModDxgiDebug == nullptr) {
		throw DXWND_LAST_EXCEPT;
	}

	const auto DxgiGetDebugInterface = reinterpret_cast<DXGIGetDebugInterface>(
		reinterpret_cast<void*>(GetProcAddress(hModDxgiDebug, "DXGIGetDebugInterface")));

	if (DxgiGetDebugInterface == nullptr) {
		throw DXWND_LAST_EXCEPT;
	}

	HRESULT hr;
	GFX_THROW_NOINFO(DxgiGetDebugInterface(__uuidof(IDXGIInfoQueue), &pDxgiInfoQueue));
}


void DxgiInfoManager::Set() noexcept {
	next = pDxgiInfoQueue->GetNumStoredMessages(DXGI_DEBUG_ALL);
}

std::vector<std::string> DxgiInfoManager::GetMessages() const {
	std::vector<std::string> messages;
	const auto end = pDxgiInfoQueue->GetNumStoredMessages(DXGI_DEBUG_ALL);
	for (auto i = next; i < end; i++) {
		HRESULT hr;
		SIZE_T messageLength;
		GFX_THROW_NOINFO(pDxgiInfoQueue->GetMessage(DXGI_DEBUG_ALL, i, nullptr, &messageLength));
		auto bytes = std::make_unique<byte[]>(messageLength);
		auto pMessage = reinterpret_cast<DXGI_INFO_QUEUE_MESSAGE*>(bytes.get());
		GFX_THROW_NOINFO(pDxgiInfoQueue->GetMessage(DXGI_DEBUG_ALL, i, pMessage, &messageLength));
		messages.emplace_back(pMessage->pDescription);
	}

	return messages;
}