void _glfwPlatformRefreshWindowParams( void )
{
GLint rgbColorDepth;
GLint rgbaAccumDepth = 0;
GLint rgbChannelDepth = 0;
if( _glfwWin.fullscreen )
{
_getCGLAttribute( kCGLPFAAccelerated, _glfwWin.accelerated );
_getCGLAttribute( kCGLPFAAlphaSize, _glfwWin.alphaBits );
_getCGLAttribute( kCGLPFADepthSize, _glfwWin.depthBits );
_getCGLAttribute( kCGLPFAStencilSize, _glfwWin.stencilBits );
_getCGLAttribute( kCGLPFAAuxBuffers, _glfwWin.auxBuffers );
_getCGLAttribute( kCGLPFAStereo, _glfwWin.stereo );
_getCGLAttribute( kCGLPFASamples, _glfwWin.samples );
// Enumerate depth of RGB channels - unlike AGL, CGL works with
// a single parameter reflecting the full depth of the frame buffer
(void)CGLDescribePixelFormat( _glfwWin.cglPixelFormat,
0,
kCGLPFAColorSize,
&rgbColorDepth );
if( rgbColorDepth == 24 || rgbColorDepth == 32 )
{
rgbChannelDepth = 8;
}
if( rgbColorDepth == 16 )
{
rgbChannelDepth = 5;
}
_glfwWin.redBits = rgbChannelDepth;
_glfwWin.greenBits = rgbChannelDepth;
_glfwWin.blueBits = rgbChannelDepth;
// Get pixel depth of accumulator - I haven't got the slightest idea
// how this number conforms to any other channel depth than 8 bits,
// so this might end up giving completely knackered results...
_getCGLAttribute( kCGLPFAColorSize, rgbaAccumDepth );
if( rgbaAccumDepth == 32 )
{
rgbaAccumDepth = 8;
}
_glfwWin.accumRedBits = rgbaAccumDepth;
_glfwWin.accumGreenBits = rgbaAccumDepth;
_glfwWin.accumBlueBits = rgbaAccumDepth;
_glfwWin.accumAlphaBits = rgbaAccumDepth;
}
else
{
_getAGLAttribute( AGL_ACCELERATED, _glfwWin.accelerated );
_getAGLAttribute( AGL_RED_SIZE, _glfwWin.redBits );
_getAGLAttribute( AGL_GREEN_SIZE, _glfwWin.greenBits );
_getAGLAttribute( AGL_BLUE_SIZE, _glfwWin.blueBits );
_getAGLAttribute( AGL_ALPHA_SIZE, _glfwWin.alphaBits );
_getAGLAttribute( AGL_DEPTH_SIZE, _glfwWin.depthBits );
_getAGLAttribute( AGL_STENCIL_SIZE, _glfwWin.stencilBits );
_getAGLAttribute( AGL_ACCUM_RED_SIZE, _glfwWin.accumRedBits );
_getAGLAttribute( AGL_ACCUM_GREEN_SIZE, _glfwWin.accumGreenBits );
_getAGLAttribute( AGL_ACCUM_BLUE_SIZE, _glfwWin.accumBlueBits );
_getAGLAttribute( AGL_ACCUM_ALPHA_SIZE, _glfwWin.accumAlphaBits );
_getAGLAttribute( AGL_AUX_BUFFERS, _glfwWin.auxBuffers );
_getAGLAttribute( AGL_STEREO, _glfwWin.stereo );
_getAGLAttribute( AGL_SAMPLES_ARB, _glfwWin.samples );
}
}
int _glfwPlatformOpenWindow( int width,
int height,
int redbits,
int greenbits,
int bluebits,
int alphabits,
int depthbits,
int stencilbits,
int mode,
_GLFWhints* hints )
{
OSStatus error;
ProcessSerialNumber psn;
unsigned int windowAttributes;
// TO DO: Refactor this function!
_glfwWin.WindowFunctions = ( _glfwWin.Fullscreen ?
&_glfwMacFSWindowFunctions :
&_glfwMacDWWindowFunctions );
// Windowed or fullscreen; AGL or CGL? Quite the mess...
// AGL appears to be the only choice for attaching OpenGL contexts to
// Carbon windows, but it leaves the user no control over fullscreen
// mode stretching. Solution: AGL for windowed, CGL for fullscreen.
if( !_glfwWin.Fullscreen )
{
// create AGL pixel format attribute list
GLint AGLpixelFormatAttributes[256];
int numAGLAttrs = 0;
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_RGBA;
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_DOUBLEBUFFER;
if( hints->Stereo )
{
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_STEREO;
}
_setAGLAttribute( AGL_AUX_BUFFERS, hints->AuxBuffers);
_setAGLAttribute( AGL_RED_SIZE, redbits );
_setAGLAttribute( AGL_GREEN_SIZE, greenbits );
_setAGLAttribute( AGL_BLUE_SIZE, bluebits );
_setAGLAttribute( AGL_ALPHA_SIZE, alphabits );
_setAGLAttribute( AGL_DEPTH_SIZE, depthbits );
_setAGLAttribute( AGL_STENCIL_SIZE, stencilbits );
_setAGLAttribute( AGL_ACCUM_RED_SIZE, hints->AccumRedBits );
_setAGLAttribute( AGL_ACCUM_GREEN_SIZE, hints->AccumGreenBits );
_setAGLAttribute( AGL_ACCUM_BLUE_SIZE, hints->AccumBlueBits );
_setAGLAttribute( AGL_ACCUM_ALPHA_SIZE, hints->AccumAlphaBits );
if( hints->Samples > 1 )
{
_setAGLAttribute( AGL_SAMPLE_BUFFERS_ARB, 1 );
_setAGLAttribute( AGL_SAMPLES_ARB, hints->Samples );
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_NO_RECOVERY;
}
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_NONE;
// create pixel format descriptor
AGLDevice mainMonitor = GetMainDevice();
AGLPixelFormat pixelFormat = aglChoosePixelFormat( &mainMonitor,
1,
AGLpixelFormatAttributes );
if( pixelFormat == NULL )
{
fprintf( stderr, "glfwOpenWindow failing because it can't create a pixel format\n" );
return GL_FALSE;
}
// store pixel format's values for _glfwPlatformGetWindowParam's use
_getAGLAttribute( AGL_ACCELERATED, _glfwWin.Accelerated );
_getAGLAttribute( AGL_RED_SIZE, _glfwWin.RedBits );
_getAGLAttribute( AGL_GREEN_SIZE, _glfwWin.GreenBits );
_getAGLAttribute( AGL_BLUE_SIZE, _glfwWin.BlueBits );
_getAGLAttribute( AGL_ALPHA_SIZE, _glfwWin.AlphaBits );
_getAGLAttribute( AGL_DEPTH_SIZE, _glfwWin.DepthBits );
_getAGLAttribute( AGL_STENCIL_SIZE, _glfwWin.StencilBits );
_getAGLAttribute( AGL_ACCUM_RED_SIZE, _glfwWin.AccumRedBits );
_getAGLAttribute( AGL_ACCUM_GREEN_SIZE, _glfwWin.AccumGreenBits );
_getAGLAttribute( AGL_ACCUM_BLUE_SIZE, _glfwWin.AccumBlueBits );
_getAGLAttribute( AGL_ACCUM_ALPHA_SIZE, _glfwWin.AccumAlphaBits );
_getAGLAttribute( AGL_AUX_BUFFERS, _glfwWin.AuxBuffers );
_getAGLAttribute( AGL_STEREO, _glfwWin.Stereo );
_getAGLAttribute( AGL_SAMPLES_ARB, _glfwWin.Samples );
_glfwWin.RefreshRate = hints->RefreshRate;
// create AGL context
_glfwWin.AGLContext = aglCreateContext( pixelFormat, NULL );
aglDestroyPixelFormat( pixelFormat );
if( _glfwWin.AGLContext == NULL )
{
fprintf( stderr, "glfwOpenWindow failing because it can't create an OpenGL context\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
if (_glfwLibrary.Unbundled)
{
if( GetCurrentProcess( &psn ) != noErr )
{
fprintf( stderr, "glfwOpenWindow failing because it can't get its PSN\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
if( TransformProcessType( &psn, kProcessTransformToForegroundApplication ) != noErr )
{
fprintf( stderr, "glfwOpenWindow failing because it can't become a foreground application\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
/* Keith Bauer 2007-07-12 - I don't believe this is desirable
if( SetFrontProcess( &psn ) != noErr )
{
fprintf( stderr, "glfwOpenWindow failing because it can't become the front process\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
*/
}
// create window
Rect windowContentBounds;
windowContentBounds.left = 0;
windowContentBounds.top = 0;
windowContentBounds.right = width;
windowContentBounds.bottom = height;
windowAttributes = ( kWindowCloseBoxAttribute \
| kWindowCollapseBoxAttribute \
| kWindowStandardHandlerAttribute );
if( hints->WindowNoResize )
{
windowAttributes |= kWindowLiveResizeAttribute;
}
else
{
windowAttributes |= ( kWindowFullZoomAttribute | kWindowResizableAttribute );
}
error = CreateNewWindow( kDocumentWindowClass,
windowAttributes,
&windowContentBounds,
&( _glfwWin.MacWindow ) );
if( ( error != noErr ) || ( _glfwWin.MacWindow == NULL ) )
{
fprintf( stderr, "glfwOpenWindow failing because it can't create a window\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
_glfwWin.WindowUPP = NewEventHandlerUPP( _glfwWindowEventHandler );
error = InstallWindowEventHandler( _glfwWin.MacWindow,
_glfwWin.WindowUPP,
GetEventTypeCount( GLFW_WINDOW_EVENT_TYPES ),
GLFW_WINDOW_EVENT_TYPES,
NULL,
NULL );
if( error != noErr )
{
fprintf( stderr, "glfwOpenWindow failing because it can't install window event handlers\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// Don't care if we fail here
(void)SetWindowTitleWithCFString( _glfwWin.MacWindow, CFSTR( "GLFW Window" ) );
(void)RepositionWindow( _glfwWin.MacWindow,
NULL,
kWindowCenterOnMainScreen );
if( !aglSetDrawable( _glfwWin.AGLContext,
GetWindowPort( _glfwWin.MacWindow ) ) )
{
fprintf( stderr, "glfwOpenWindow failing because it can't draw to the window\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// Make OpenGL context current
if( !aglSetCurrentContext( _glfwWin.AGLContext ) )
{
fprintf( stderr, "glfwOpenWindow failing because it can't make the OpenGL context current\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// show window
ShowWindow( _glfwWin.MacWindow );
return GL_TRUE;
}
else
{
CGDisplayErr cgErr;
CGLError cglErr;
CFDictionaryRef optimalMode;
CGLPixelFormatObj CGLpfObj;
long numCGLvs = 0;
CGLPixelFormatAttribute CGLpixelFormatAttributes[64];
int numCGLAttrs = 0;
// variables for enumerating color depths
GLint rgbColorDepth;
GLint rgbaAccumDepth = 0;
int rgbChannelDepth = 0;
// CGL pixel format attributes
_setCGLAttribute( kCGLPFADisplayMask,
CGDisplayIDToOpenGLDisplayMask( kCGDirectMainDisplay ) );
if( hints->Stereo )
{
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFAStereo;
}
if( hints->Samples > 1 )
{
_setCGLAttribute( kCGLPFASamples, (CGLPixelFormatAttribute)hints->Samples );
_setCGLAttribute( kCGLPFASampleBuffers, (CGLPixelFormatAttribute)1 );
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFANoRecovery;
}
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFAFullScreen;
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFADoubleBuffer;
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFAAccelerated;
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFANoRecovery;
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFAMinimumPolicy;
_setCGLAttribute( kCGLPFAAccumSize,
(CGLPixelFormatAttribute)( hints->AccumRedBits \
+ hints->AccumGreenBits \
+ hints->AccumBlueBits \
+ hints->AccumAlphaBits ) );
_setCGLAttribute( kCGLPFAAlphaSize, (CGLPixelFormatAttribute)alphabits );
_setCGLAttribute( kCGLPFADepthSize, (CGLPixelFormatAttribute)depthbits );
_setCGLAttribute( kCGLPFAStencilSize, (CGLPixelFormatAttribute)stencilbits );
_setCGLAttribute( kCGLPFAAuxBuffers, (CGLPixelFormatAttribute)hints->AuxBuffers );
CGLpixelFormatAttributes[ numCGLAttrs++ ] = (CGLPixelFormatAttribute)NULL;
// create a suitable pixel format with above attributes..
cglErr = CGLChoosePixelFormat( CGLpixelFormatAttributes,
&CGLpfObj,
&numCGLvs );
if( cglErr != kCGLNoError )
{
return GL_FALSE;
}
// ..and create a rendering context using that pixel format
cglErr = CGLCreateContext( CGLpfObj, NULL, &_glfwWin.CGLContext );
if( cglErr != kCGLNoError )
{
return GL_FALSE;
}
// enumerate depth of RGB channels - unlike AGL, CGL works with
// a single parameter reflecting the full depth of the frame buffer
(void)CGLDescribePixelFormat( CGLpfObj, 0, kCGLPFAColorSize, &rgbColorDepth );
if( rgbColorDepth == 24 || rgbColorDepth == 32 )
{
rgbChannelDepth = 8;
}
if( rgbColorDepth == 16 )
{
rgbChannelDepth = 5;
}
// get pixel depth of accumulator - I haven't got the slightest idea
// how this number conforms to any other channel depth than 8 bits,
// so this might end up giving completely knackered results...
(void)CGLDescribePixelFormat( CGLpfObj, 0, kCGLPFAAccumSize, &rgbaAccumDepth );
if( rgbaAccumDepth == 32 )
{
rgbaAccumDepth = 8;
}
// store values of pixel format for _glfwPlatformGetWindowParam's use
_getCGLAttribute( kCGLPFAAccelerated, _glfwWin.Accelerated );
_getCGLAttribute( rgbChannelDepth, _glfwWin.RedBits );
_getCGLAttribute( rgbChannelDepth, _glfwWin.GreenBits );
_getCGLAttribute( rgbChannelDepth, _glfwWin.BlueBits );
_getCGLAttribute( kCGLPFAAlphaSize, _glfwWin.AlphaBits );
_getCGLAttribute( kCGLPFADepthSize, _glfwWin.DepthBits );
_getCGLAttribute( kCGLPFAStencilSize, _glfwWin.StencilBits );
_getCGLAttribute( rgbaAccumDepth, _glfwWin.AccumRedBits );
_getCGLAttribute( rgbaAccumDepth, _glfwWin.AccumGreenBits );
_getCGLAttribute( rgbaAccumDepth, _glfwWin.AccumBlueBits );
_getCGLAttribute( rgbaAccumDepth, _glfwWin.AccumAlphaBits );
_getCGLAttribute( kCGLPFAAuxBuffers, _glfwWin.AuxBuffers );
_getCGLAttribute( kCGLPFAStereo, _glfwWin.Stereo );
_glfwWin.RefreshRate = hints->RefreshRate;
// destroy our pixel format
(void)CGLDestroyPixelFormat( CGLpfObj );
// capture the display for our application
cgErr = CGCaptureAllDisplays();
if( cgErr != kCGErrorSuccess )
{
return GL_FALSE;
}
// find closest matching NON-STRETCHED display mode..
optimalMode = CGDisplayBestModeForParametersAndRefreshRateWithProperty( kCGDirectMainDisplay,
rgbColorDepth,
width,
/* Check further to the right -> */ height,
hints->RefreshRate,
NULL,
NULL );
if( optimalMode == NULL )
{
return GL_FALSE;
}
// ..and switch to that mode
cgErr = CGDisplaySwitchToMode( kCGDirectMainDisplay, optimalMode );
if( cgErr != kCGErrorSuccess )
{
return GL_FALSE;
}
// switch to our OpenGL context, and bring it up fullscreen
cglErr = CGLSetCurrentContext( _glfwWin.CGLContext );
if( cglErr != kCGLNoError )
{
return GL_FALSE;
}
cglErr = CGLSetFullScreen( _glfwWin.CGLContext );
if( cglErr != kCGLNoError )
{
return GL_FALSE;
}
return GL_TRUE;
}
}
int _glfwPlatformOpenWindow( int width,
int height,
int redbits,
int greenbits,
int bluebits,
int alphabits,
int depthbits,
int stencilbits,
int mode,
int accumredbits,
int accumgreenbits,
int accumbluebits,
int accumalphabits,
int auxbuffers,
int stereo,
int refreshrate )
{
OSStatus error;
// TO DO: Refactor this function!
_glfwWin.WindowFunctions = (mode == GLFW_FULLSCREEN ? &_glfwMacFSWindowFunctions : &_glfwMacDWWindowFunctions);
// create pixel format attribute list
GLint pixelFormatAttributes[256];
int numAttrs = 0;
pixelFormatAttributes[numAttrs++] = AGL_RGBA;
pixelFormatAttributes[numAttrs++] = AGL_DOUBLEBUFFER;
if ( mode == GLFW_FULLSCREEN )
{
pixelFormatAttributes[numAttrs++] = AGL_FULLSCREEN;
}
if ( stereo )
{
pixelFormatAttributes[numAttrs++] = AGL_STEREO;
}
_setAGLAttribute( AGL_AUX_BUFFERS, auxbuffers);
_setAGLAttribute( AGL_RED_SIZE, redbits );
_setAGLAttribute( AGL_GREEN_SIZE, greenbits );
_setAGLAttribute( AGL_BLUE_SIZE, bluebits );
_setAGLAttribute( AGL_ALPHA_SIZE, alphabits );
_setAGLAttribute( AGL_DEPTH_SIZE, depthbits );
_setAGLAttribute( AGL_STENCIL_SIZE, stencilbits );
_setAGLAttribute( AGL_ACCUM_RED_SIZE, accumredbits );
_setAGLAttribute( AGL_ACCUM_GREEN_SIZE, accumgreenbits );
_setAGLAttribute( AGL_ACCUM_BLUE_SIZE, accumbluebits );
_setAGLAttribute( AGL_ACCUM_ALPHA_SIZE, accumalphabits );
pixelFormatAttributes[numAttrs++] = AGL_NONE;
// create pixel format.
AGLDevice mainMonitor = GetMainDevice();
AGLPixelFormat pixelFormat = aglChoosePixelFormat( &mainMonitor,
1,
pixelFormatAttributes );
if ( pixelFormat == NULL )
{
return GL_FALSE;
}
// store pixel format's values for _glfwPlatformGetWindowParam's use
_getAGLAttribute( AGL_ACCELERATED, _glfwWin.Accelerated );
_getAGLAttribute( AGL_RED_SIZE, _glfwWin.RedBits );
_getAGLAttribute( AGL_GREEN_SIZE, _glfwWin.GreenBits );
_getAGLAttribute( AGL_BLUE_SIZE, _glfwWin.BlueBits );
_getAGLAttribute( AGL_ALPHA_SIZE, _glfwWin.AlphaBits );
_getAGLAttribute( AGL_DEPTH_SIZE, _glfwWin.DepthBits );
_getAGLAttribute( AGL_STENCIL_SIZE, _glfwWin.StencilBits );
_getAGLAttribute( AGL_ACCUM_RED_SIZE, _glfwWin.AccumRedBits );
_getAGLAttribute( AGL_ACCUM_GREEN_SIZE, _glfwWin.AccumGreenBits );
_getAGLAttribute( AGL_ACCUM_BLUE_SIZE, _glfwWin.AccumBlueBits );
_getAGLAttribute( AGL_ACCUM_ALPHA_SIZE, _glfwWin.AccumAlphaBits );
_getAGLAttribute( AGL_AUX_BUFFERS, _glfwWin.AuxBuffers );
_getAGLAttribute( AGL_STEREO, _glfwWin.Stereo );
_glfwWin.RefreshRate = refreshrate;
// create AGL context
_glfwWin.AGLContext = aglCreateContext( pixelFormat, NULL );
aglDestroyPixelFormat( pixelFormat );
if ( _glfwWin.AGLContext == NULL )
{
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// create window
Rect windowContentBounds;
windowContentBounds.left = 0;
windowContentBounds.top = 0;
windowContentBounds.right = width;
windowContentBounds.bottom = height;
error = CreateNewWindow( kDocumentWindowClass,
GLFW_WINDOW_ATTRIBUTES,
&windowContentBounds,
&( _glfwWin.MacWindow ) );
if ( ( error != noErr ) || ( _glfwWin.MacWindow == NULL ) )
{
_glfwPlatformCloseWindow();
return GL_FALSE;
}
if ( !_glfwWin.Fullscreen )
{
_glfwWin.WindowUPP = NewEventHandlerUPP( _glfwWindowEventHandler );
error = InstallWindowEventHandler( _glfwWin.MacWindow,
_glfwWin.WindowUPP,
GetEventTypeCount( GLFW_WINDOW_EVENT_TYPES ),
GLFW_WINDOW_EVENT_TYPES,
NULL,
NULL );
if ( error != noErr )
{
_glfwPlatformCloseWindow();
return GL_FALSE;
}
}
// Don't care if we fail here
(void)SetWindowTitleWithCFString( _glfwWin.MacWindow, CFSTR( "GLFW Window" ) );
(void)RepositionWindow( _glfwWin.MacWindow,
NULL,
kWindowCenterOnMainScreen );
// TO DO: put this somewhere else; this is a bit too soon
ShowWindow( _glfwWin.MacWindow );
// show window, attach OpenGL context, &c
if ( mode == GLFW_FULLSCREEN )
{
CGDisplayErr cgError;
cgError = CGCaptureAllDisplays();
if ( cgError != CGDisplayNoErr )
{
_glfwPlatformCloseWindow();
return GL_FALSE;
}
HideMenuBar();
// I have no idea if this will work at all, particularly on
// multi-monitor systems. Might need to use CGL for full-screen
// setup and AGL for windowed (ugh!).
if ( !aglSetFullScreen( _glfwWin.AGLContext,
width,
height,
refreshrate,
0 ) )
{
_glfwPlatformCloseWindow();
return GL_FALSE;
}
}
else
{
if ( !aglSetDrawable( _glfwWin.AGLContext,
GetWindowPort( _glfwWin.MacWindow ) ) )
{
_glfwPlatformCloseWindow();
return GL_FALSE;
}
}
// Make OpenGL context current;
if ( !aglSetCurrentContext( _glfwWin.AGLContext ) )
{
_glfwPlatformCloseWindow();
return GL_FALSE;
}
return GL_TRUE;
}