Buffer, [Render]Window now always throw on error

Former-commit-id: a739cd4c7d96e7cf497338c525e9ab1b5d6a844a

src/Nazara/Utility/Buffer.cpp

@@ -4,6 +4,7 @@
 
 #include <Nazara/Utility/Buffer.hpp>
 #include <Nazara/Core/Error.hpp>
+#include <Nazara/Core/ErrorFlags.hpp>
 #include <Nazara/Utility/AbstractBuffer.hpp>
 #include <Nazara/Utility/BufferMapper.hpp>
 #include <Nazara/Utility/Config.hpp>
@@ -32,15 +33,8 @@ NzBuffer::NzBuffer(nzBufferType type, unsigned int size, nzBufferStorage storage
 m_type(type),
 m_impl(nullptr)
 {
+	NzErrorFlags flags(nzErrorFlag_ThrowException, true);
 	Create(size, storage, usage);
-
-	#ifdef NAZARA_DEBUG
-	if (!m_impl)
-	{
-		NazaraError("Failed to create buffer");
-		throw std::runtime_error("Constructor failed");
-	}
-	#endif
 }
 
 NzBuffer::~NzBuffer()