Differential D3057 Diff 10056 intern/ghost/intern/GHOST_ContextCGL.mm

Changeset View

Standalone View

intern/ghost/intern/GHOST_ContextCGL.mm

Show First 20 Lines • Show All 56 Lines • ▼ Show 20 Lines	GHOST_ContextCGL::GHOST_ContextCGL(
int contextMinorVersion,		int contextMinorVersion,
int contextFlags,		int contextFlags,
int contextResetNotificationStrategy)		int contextResetNotificationStrategy)
: GHOST_Context(stereoVisual, numOfAASamples),		: GHOST_Context(stereoVisual, numOfAASamples),
m_openGLView(openGLView),		m_openGLView(openGLView),
m_openGLContext(nil),		m_openGLContext(nil),
m_debug(contextFlags)		m_debug(contextFlags)
{		{
assert(openGLView != nil);

// for now be very strict about OpenGL version requested		// for now be very strict about OpenGL version requested
switch (contextMajorVersion) {		switch (contextMajorVersion) {
case 2:		case 2:
assert(contextMinorVersion == 1);		assert(contextMinorVersion == 1);
assert(contextProfileMask == 0);		assert(contextProfileMask == 0);
m_coreProfile = false;		m_coreProfile = false;
break;		break;
case 3:		case 3:
// Apple didn't implement 3.0 or 3.1		// Apple didn't implement 3.0 or 3.1
assert(contextMinorVersion == 2);		assert(contextMinorVersion == 2);
assert(contextProfileMask == GL_CONTEXT_CORE_PROFILE_BIT);		assert(contextProfileMask == GL_CONTEXT_CORE_PROFILE_BIT);
m_coreProfile = true;		m_coreProfile = true;
break;		break;
default:		default:
assert(false);		assert(false);
}		}
}		}


GHOST_ContextCGL::~GHOST_ContextCGL()		GHOST_ContextCGL::~GHOST_ContextCGL()
{		{
if (m_openGLContext != nil) {		if (m_openGLContext != nil) {
if (m_openGLContext == [NSOpenGLContext currentContext]) {		if (m_openGLContext == [NSOpenGLContext currentContext]) {
[NSOpenGLContext clearCurrentContext];		[NSOpenGLContext clearCurrentContext];

		if(m_openGLView) {
[m_openGLView clearGLContext];		[m_openGLView clearGLContext];
}		}
		}

if (m_openGLContext != s_sharedOpenGLContext \|\| s_sharedCount == 1) {		if (m_openGLContext != s_sharedOpenGLContext \|\| s_sharedCount == 1) {
assert(s_sharedCount > 0);		assert(s_sharedCount > 0);

s_sharedCount--;		s_sharedCount--;

if (s_sharedCount == 0)		if (s_sharedCount == 0)
s_sharedOpenGLContext = nil;		s_sharedOpenGLContext = nil;
▲ Show 20 Lines • Show All 152 Lines • ▼ Show 20 Lines

GHOST_TSuccess GHOST_ContextCGL::initializeDrawingContext()		GHOST_TSuccess GHOST_ContextCGL::initializeDrawingContext()
{		{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];		NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

std::vector<NSOpenGLPixelFormatAttribute> attribs;		std::vector<NSOpenGLPixelFormatAttribute> attribs;
attribs.reserve(40);		attribs.reserve(40);

NSOpenGLContext *prev_openGLContext = [m_openGLView openGLContext];		NSOpenGLContext *prev_openGLContext = (m_openGLView) ? [m_openGLView openGLContext] : NULL;

#ifdef GHOST_OPENGL_ALPHA		#ifdef GHOST_OPENGL_ALPHA
static const bool needAlpha = true;		static const bool needAlpha = true;
#else		#else
static const bool needAlpha = false;		static const bool needAlpha = false;
#endif		#endif

#ifdef GHOST_OPENGL_STENCIL		#ifdef GHOST_OPENGL_STENCIL
▲ Show 20 Lines • Show All 87 Lines • ▼ Show 20 Lines	#ifdef GHOST_WAIT_FOR_VSYNC
GLint swapInt = 1;		GLint swapInt = 1;
/* wait for vsync, to avoid tearing artifacts */		/* wait for vsync, to avoid tearing artifacts */
[m_openGLContext setValues:&swapInt forParameter:NSOpenGLCPSwapInterval];		[m_openGLContext setValues:&swapInt forParameter:NSOpenGLCPSwapInterval];
}		}
#endif		#endif

initContextGLEW();		initContextGLEW();

		if (m_openGLView) {
[m_openGLView setOpenGLContext:m_openGLContext];		[m_openGLView setOpenGLContext:m_openGLContext];
[m_openGLContext setView:m_openGLView];		[m_openGLContext setView:m_openGLView];
		}

if (s_sharedCount == 0)		if (s_sharedCount == 0)
s_sharedOpenGLContext = m_openGLContext;		s_sharedOpenGLContext = m_openGLContext;

s_sharedCount++;		s_sharedCount++;


initClearGL();		initClearGL();
[m_openGLContext flushBuffer];		[m_openGLContext flushBuffer];

[pool drain];		[pool drain];

return GHOST_kSuccess;		return GHOST_kSuccess;

error:		error:

		if (m_openGLView) {
[m_openGLView setOpenGLContext:prev_openGLContext];		[m_openGLView setOpenGLContext:prev_openGLContext];
		}

[pixelFormat release];		[pixelFormat release];

[pool drain];		[pool drain];

return GHOST_kFailure;		return GHOST_kFailure;
}		}


GHOST_TSuccess GHOST_ContextCGL::releaseNativeHandles()		GHOST_TSuccess GHOST_ContextCGL::releaseNativeHandles()
{		{
m_openGLContext = NULL;		m_openGLContext = NULL;
m_openGLView = NULL;		m_openGLView = NULL;

return GHOST_kSuccess;		return GHOST_kSuccess;
}		}