Better handling of module initialization

Former-commit-id: 08d4b87a9b7cc10e672c23374306081fc9259de0

src/Nazara/Renderer/Renderer.cpp

@@ -492,7 +492,9 @@ bool NzRenderer::Initialize()
 	// Initialisation des dépendances
 	if (!NzUtility::Initialize())
 	{
-		NazaraError("Failed to initialize utility module");
+		NazaraError("Failed to initialize Utility module");
+		Uninitialize();
+
 		return false;
 	}
 
@@ -500,11 +502,11 @@ bool NzRenderer::Initialize()
 	if (!NzOpenGL::Initialize())
 	{
 		NazaraError("Failed to initialize OpenGL");
+		Uninitialize();
+
 		return false;
 	}
 
-	NzContext::EnsureContext();
-
 	NzBuffer::SetBufferFunction(nzBufferStorage_Hardware, HardwareBufferFunction);
 
 	for (unsigned int i = 0; i <= nzMatrixType_Max; ++i)
@@ -529,6 +531,8 @@ bool NzRenderer::Initialize()
 	s_capabilities[nzRendererCap_TextureMulti] = true; // Natif depuis OpenGL 1.3
 	s_capabilities[nzRendererCap_TextureNPOT] = true; // Natif depuis OpenGL 2.0
 
+	NzContext::EnsureContext();
+
 	if (s_capabilities[nzRendererCap_AnisotropicFilter])
 	{
 		GLfloat maxAnisotropy;
@@ -635,8 +639,6 @@ bool NzRenderer::Initialize()
 	// Loaders
 	NzLoaders_Texture_Register();
 
-	NazaraNotice("Initialized: Renderer module");
-
 	return true;
 }
 
@@ -1169,8 +1171,6 @@ void NzRenderer::Uninitialize()
 		return;
 	}
 
-	NzContext::EnsureContext();
-
 	// Libération du module
 	s_moduleReferenceCounter = 0;