Sources/Classes/Toolkits/Model/OpenGL/FBO/Status/OpenGLFramebuffer2DStatus.m
//--------------------------------------------------------------------------- |
// |
// File: OpenGLFramebuffer2DStatus.m |
// |
// Abstract: Class that implements a utility toolkit for fbo status |
// check. |
// |
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//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#import "OpenGLFramebuffer2DMessages.h" |
#import "OpenGLFramebuffer2DStatus.h" |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#pragma mark - |
#pragma mark Private - Data Structures |
//--------------------------------------------------------------------------- |
struct OpenGLFramebuffer2DStatusData |
{ |
NSMutableString *message; |
GLenum status; |
BOOL doExit; |
}; |
typedef struct OpenGLFramebuffer2DStatusData OpenGLFramebuffer2DStatusData; |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#pragma mark - |
#pragma mark Private - Utilities |
//--------------------------------------------------------------------------- |
static void OpenGLFramebuffer2DStatusSetMessage(OpenGLFramebuffer2DStatusDataRef pStatus) |
{ |
pStatus->message = [NSMutableString new]; |
if( pStatus->message ) |
{ |
switch( pStatus->status ) |
{ |
case GL_FRAMEBUFFER_UNSUPPORTED: |
[pStatus->message setString:kOpenGLFramebufferUnsupported]; |
break; |
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: |
[pStatus->message setString:kOpenGLFramebufferIncompleteAttachement]; |
break; |
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: |
[pStatus->message setString:kOpenGLFramebufferIncompleteMissingAttachement]; |
break; |
case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT: |
[pStatus->message setString:KOpenGLFramebufferIncompleteDimensions]; |
break; |
case GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT: |
[pStatus->message setString:kOpenGLFramebufferIncompleteFormats]; |
break; |
case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER: |
[pStatus->message setString:kOpenGLFramebufferIncompleteDrawBuffer]; |
break; |
case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER: |
[pStatus->message setString:kOpenGLFramebufferIncompleteReadBuffer]; |
break; |
default: |
[pStatus->message setString:kOpenGLFramebufferDefaultAlertPanelMessage]; |
break; |
} // switch |
} // if |
} // OpenGLFramebuffer2DStatusSetMessage |
//--------------------------------------------------------------------------- |
static void OpenGLFramebuffer2DStatusInitParams(const GLenum target, |
const BOOL exitFlag, |
OpenGLFramebuffer2DStatusDataRef pStatus) |
{ |
pStatus->status = glCheckFramebufferStatus( target ); |
pStatus->doExit = exitFlag; |
pStatus->message = nil; |
} // OpenGLFramebuffer2DStatusInitParams |
//--------------------------------------------------------------------------- |
static OpenGLFramebuffer2DStatusDataRef OpenGLFramebuffer2DStatusCreate(const GLenum target, |
const BOOL exitFlag) |
{ |
OpenGLFramebuffer2DStatusDataRef pStatus = (OpenGLFramebuffer2DStatusDataRef)calloc(1, sizeof(OpenGLFramebuffer2DStatusData)); |
if( pStatus != NULL ) |
{ |
OpenGLFramebuffer2DStatusInitParams(target, |
exitFlag, |
pStatus); |
OpenGLFramebuffer2DStatusSetMessage(pStatus); |
} // if |
return( pStatus ); |
} // OpenGLFramebuffer2DStatusCreate |
//--------------------------------------------------------------------------- |
static void OpenGLFramebuffer2DStatusDelete(OpenGLFramebuffer2DStatusDataRef pStatus) |
{ |
if( pStatus != NULL ) |
{ |
if( pStatus->message ) |
{ |
[pStatus->message release]; |
pStatus->message = nil; |
} // if |
free(pStatus); |
pStatus = NULL; |
} // if |
} // OpenGLFramebuffer2DStatusDelete |
//--------------------------------------------------------------------------- |
static BOOL OpenGLFramebuffer2DStatusIsComplete(OpenGLFramebuffer2DStatusDataRef pStatus) |
{ |
BOOL success = pStatus->status == GL_FRAMEBUFFER_COMPLETE; |
if( !success ) |
{ |
NSRunAlertPanel(@"OpenGL FBO Status", |
pStatus->message, |
@"OK", |
nil, |
nil); |
if( pStatus->doExit ) |
{ |
exit( -1 ); |
} // if |
} // else |
return( success ); |
} // OpenGLFramebuffer2DStatusIsComplete |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
#pragma mark - |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
@implementation OpenGLFramebuffer2DStatus |
//--------------------------------------------------------------------------- |
- (id) initStatusWithTarget:(const GLenum)theFBOTarget |
exit:(const BOOL)theExitFlag |
{ |
self = [super init]; |
if( self ) |
{ |
mpStatus = OpenGLFramebuffer2DStatusCreate( theFBOTarget, theExitFlag ); |
} // if |
return( self ); |
} // initStatusWithTarget |
//------------------------------------------------------------------------ |
+ (id) statusWithTarget:(const GLenum)theFBOTarget |
exit:(const BOOL)theExitFlag |
{ |
return( [[[OpenGLFramebuffer2DStatus allocWithZone:[self zone]] initStatusWithTarget:theFBOTarget |
exit:theExitFlag] autorelease] ); |
} // statusWithTarget |
//------------------------------------------------------------------------ |
- (void) dealloc |
{ |
OpenGLFramebuffer2DStatusDelete(mpStatus); |
[super dealloc]; |
} // dealloc |
//------------------------------------------------------------------------ |
- (BOOL) isComplete |
{ |
return( OpenGLFramebuffer2DStatusIsComplete(mpStatus) ); |
} // isComplete |
//--------------------------------------------------------------------------- |
@end |
//--------------------------------------------------------------------------- |
//--------------------------------------------------------------------------- |
Copyright © 2011 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2011-06-27