Differential D3057 Diff 10008 intern/ghost/intern/GHOST_WindowWin32.cpp

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intern/ghost/intern/GHOST_WindowWin32.cpp

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	GHOST_Context *GHOST_WindowWin32::newDrawingContext(GHOST_TDrawingContextType type)			GHOST_Context *GHOST_WindowWin32::newDrawingContext(GHOST_TDrawingContextType type)
	{			{
	if (type == GHOST_kDrawingContextTypeOpenGL) {			if (type == GHOST_kDrawingContextTypeOpenGL) {
	GHOST_Context *context;			GHOST_Context *context;

	#if defined(WITH_GL_PROFILE_CORE)			#if defined(WITH_GL_PROFILE_CORE)
	GHOST_TUns8 major, minor;			/* - AMD and Intel give us exactly this version
				* - NVIDIA gives at least this version <-- desired behavior
	if (GHOST_ContextWGL::getMaximumSupportedOpenGLVersion(			* So we ask for 4.5, 4.4 ... 3.3 in descending order to get the best version on the user's system. */
	m_hWnd,			for (int minor = 5; minor >= 0; --minor) {
	m_wantStereoVisual,
	m_wantAlphaBackground,
	m_wantNumOfAASamples,
	WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
	m_debug_context,
	&major, &minor))
	{
	context = new GHOST_ContextWGL(			context = new GHOST_ContextWGL(
	m_wantStereoVisual,			m_wantStereoVisual,
	m_wantAlphaBackground,			m_wantAlphaBackground,
	m_wantNumOfAASamples,			m_wantNumOfAASamples,
	m_hWnd,			m_hWnd,
	m_hDC,			m_hDC,
	WGL_CONTEXT_CORE_PROFILE_BIT_ARB,			WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
	major, minor,			4, minor,
	(m_debug_context ? WGL_CONTEXT_DEBUG_BIT_ARB : 0),			(m_debug_context ? WGL_CONTEXT_DEBUG_BIT_ARB : 0),
	GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);			GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);

	if (context->initializeDrawingContext()) {			if (context->initializeDrawingContext()) {
	return context;			return context;
	}			}
	else {			else {
	delete context;			delete context;
	}			}
	}			}
				context = new GHOST_ContextWGL(
				m_wantStereoVisual,
				m_wantAlphaBackground,
				m_wantNumOfAASamples,
				m_hWnd,
				m_hDC,
				WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
				3, 3,
				(m_debug_context ? WGL_CONTEXT_DEBUG_BIT_ARB : 0),
				GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);

				if (context->initializeDrawingContext()) {
				return context;
				}
	else {			else {
	MessageBox(			MessageBox(
	m_hWnd,			m_hWnd,
	"Blender requires a graphics driver with at least OpenGL 3.3 support.\n\n"			"Blender requires a graphics driver with at least OpenGL 3.3 support.\n\n"
	"The program will now close.",			"The program will now close.",
	"Blender - Unsupported Graphics Driver!",			"Blender - Unsupported Graphics Driver!",
	MB_OK \| MB_ICONERROR);			MB_OK \| MB_ICONERROR);
				delete context;
	exit(0);			exit(0);
	return NULL;
	}			}

	#elif defined(WITH_GL_PROFILE_COMPAT)			#elif defined(WITH_GL_PROFILE_COMPAT)
	// ask for 2.1 context, driver gives any GL version >= 2.1 (hopefully the latest compatibility profile)			// ask for 2.1 context, driver gives any GL version >= 2.1 (hopefully the latest compatibility profile)
	// 2.1 ignores the profile bit & is incompatible with core profile			// 2.1 ignores the profile bit & is incompatible with core profile
	context = new GHOST_ContextWGL(			context = new GHOST_ContextWGL(
	m_wantStereoVisual,			m_wantStereoVisual,
	m_wantAlphaBackground,			m_wantAlphaBackground,
	m_wantNumOfAASamples,			m_wantNumOfAASamples,
	m_hWnd,			m_hWnd,
	m_hDC,			m_hDC,
	0, // no profile bit			0, // no profile bit
	2, 1,			2, 1,
	(m_debug_context ? WGL_CONTEXT_DEBUG_BIT_ARB : 0),			(m_debug_context ? WGL_CONTEXT_DEBUG_BIT_ARB : 0),
	GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);			GHOST_OPENGL_WGL_RESET_NOTIFICATION_STRATEGY);
	#else
	# error // must specify either core or compat at build time
	#endif

	if (context->initializeDrawingContext()) {			if (context->initializeDrawingContext()) {
	return context;			return context;
	}			}
	else {			else {
	delete context;			delete context;
	}			}
				#else
				# error // must specify either core or compat at build time
				#endif
	}			}

	return NULL;			return NULL;
	}			}

	void GHOST_WindowWin32::lostMouseCapture()			void GHOST_WindowWin32::lostMouseCapture()
	{			{
	if (m_hasMouseCaptured) {			if (m_hasMouseCaptured) {
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