Sources/Classes/Model/OpenGL/Shaders/Units/Implementations/Sharpen/CVGLSLSharpenUnit.m
/* |
File: CVGLSLSharpenUnit.m |
Abstract: |
Utility toolkit for GLSL sharpen shader. |
Version: 2.0 |
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*/ |
#pragma mark - |
#pragma mark Private - Headers |
#import "CVGLSLSharpenUnit.h" |
#pragma mark - |
#pragma mark Private - Constants |
static const GLfloat kOffsetMax = 10.0f; |
#pragma mark - |
@implementation CVGLSLSharpenUnit |
#pragma mark - |
#pragma mark Public - Initializers |
- (id) init |
{ |
self = [super initWithShadersInAppBundle:@"sharpen"]; |
if(self) |
{ |
[self sampler:@"tex" |
value:0]; |
mnLocation = [self location:@"offset"]; |
} // if |
return self; |
} // init |
- (id) initWithShadersInAppBundle:(NSString *)theName |
{ |
self = [super initWithShadersInAppBundle:theName]; |
if(self) |
{ |
[self sampler:@"tex" |
value:0]; |
mnLocation = [self location:@"offset"]; |
} // if |
return self; |
} // initWithShadersInAppBundle |
- (id) initWithDictionary:(NSDictionary *)theDicitionary |
{ |
self = [super initWithDictionary:theDicitionary]; |
if(self) |
{ |
[self sampler:@"tex" |
value:0]; |
mnLocation = [self location:@"offset"]; |
} // if |
return self; |
} // initWithDictionary |
+ (id) unit |
{ |
return [[[CVGLSLSharpenUnit allocWithZone:[self zone]] init] autorelease]; |
} // unit |
+ (id) unitInAppBundle:(NSString *)theName |
{ |
return [[[CVGLSLSharpenUnit allocWithZone:[self zone]] initWithShadersInAppBundle:theName] autorelease]; |
} // unitInAppBundle |
+ (id) unitWithDictionary:(NSDictionary *)theDictionary |
{ |
return [[[CVGLSLSharpenUnit allocWithZone:[self zone]] initWithDictionary:theDictionary] autorelease]; |
} // unitWithDictionary |
#pragma mark - |
#pragma mark Public - Destructors |
- (void) dealloc |
{ |
[super dealloc]; |
} // dealloc |
#pragma mark - |
#pragma mark Public - Utilities |
- (void) execute:(CVOpenGLTextureRef)theVideo |
flag:(const BOOL)theFlag |
values:(const GLfloat *)theValues |
{ |
[self enable]; |
{ |
glUniform1f(mnLocation, kOffsetMax * theValues[0]); |
[self display:theVideo]; |
} |
[self disable]; |
} // execute |
@end |
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