update .gitignore

developer

2023-05-20 e12c7b4c22df631ebdcd16b2f98fbef8f738f92f

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
#import "GPUImageRGBFilter.h"
 
#if TARGET_IPHONE_SIMULATOR || TARGET_OS_IPHONE
NSString *const kGPUImageRGBFragmentShaderString = SHADER_STRING
(
 varying highp vec2 textureCoordinate;
 
 uniform sampler2D inputImageTexture;
 uniform highp float redAdjustment;
 uniform highp float greenAdjustment;
 uniform highp float blueAdjustment;
 
 void main()
 {
     highp vec4 textureColor = texture2D(inputImageTexture, textureCoordinate);
     
     gl_FragColor = vec4(textureColor.r * redAdjustment, textureColor.g * greenAdjustment, textureColor.b * blueAdjustment, textureColor.a);
 }
);
#else
NSString *const kGPUImageRGBFragmentShaderString = SHADER_STRING
(
 varying vec2 textureCoordinate;
 
 uniform sampler2D inputImageTexture;
 uniform float redAdjustment;
 uniform float greenAdjustment;
 uniform float blueAdjustment;
 
 void main()
 {
     vec4 textureColor = texture2D(inputImageTexture, textureCoordinate);
     
     gl_FragColor = vec4(textureColor.r * redAdjustment, textureColor.g * greenAdjustment, textureColor.b * blueAdjustment, textureColor.a);
 }
 );
#endif
 
@implementation GPUImageRGBFilter
 
@synthesize red = _red, blue = _blue, green = _green;
 
#pragma mark -
#pragma mark Initialization and teardown
 
- (id)init;
{
    if (!(self = [super initWithFragmentShaderFromString:kGPUImageRGBFragmentShaderString]))
    {
        return nil;
    }
    
    redUniform = [filterProgram uniformIndex:@"redAdjustment"];
    self.red = 1.0;
    
    greenUniform = [filterProgram uniformIndex:@"greenAdjustment"];
    self.green = 1.0;
    
    blueUniform = [filterProgram uniformIndex:@"blueAdjustment"];
    self.blue = 1.0;
    
    return self;
}
 
#pragma mark -
#pragma mark Accessors
 
- (void)setRed:(CGFloat)newValue;
{
    _red = newValue;
    
    [self setFloat:_red forUniform:redUniform program:filterProgram];
}
 
- (void)setGreen:(CGFloat)newValue;
{
    _green = newValue;
 
    [self setFloat:_green forUniform:greenUniform program:filterProgram];
}
 
- (void)setBlue:(CGFloat)newValue;
{
    _blue = newValue;
 
    [self setFloat:_blue forUniform:blueUniform program:filterProgram];
}
 
@end