Classes/EAGLView.h

/*
 
    File: EAGLView.h
Abstract: The EAGLView class is responsible for rendering the GL view.
 Version: 1.6
 
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*/
 
#import <UIKit/UIKit.h>
#import <OpenGLES/EAGL.h>
#import <OpenGLES/ES1/gl.h>
#import <OpenGLES/ES1/glext.h>
 
enum
{
    kTexturePvrtcMipmap4,
    kTexturePvrtcMipmap2,
    kTexturePvrtc4,
    kTexturePvrtc2,
    kTextureMipmap,
    kTexture,
    kNumTextures
};
 
typedef enum
{
    kCompressionOff,
    kCompressionFourBPP,
    kCompressionTwoBPP
} Compression;
 
typedef enum
{
    kMipmapFilterOff,
    kMipmapFilterNearest,
    kMipmapFilterLinear
} MipmipFilter;
 
typedef enum
{
    kFilterNearest,
    kFilterLinear,
    kFilterSuper
} Filter;
 
 
@interface EAGLView : UIView
{
@private
    // The pixel dimensions of the backbuffer
    GLint _backingWidth;
    GLint _backingHeight;
    
    EAGLContext *_context;
    
    // OpenGL names for the renderbuffer and framebuffers used to render to this view
    GLuint _viewRenderbuffer, _viewFramebuffer;
    
    // OpenGL name for the depth buffer that is attached to viewFramebuffer, if it exists (0 if it does not exist)
    GLuint _depthRenderbuffer;
    
    GLfloat _scale, _rotate;
    
    GLuint _textures[kNumTextures];
    NSMutableArray *_pvrTextures;
 
    BOOL _compressionSupported;
    BOOL _anisotropySupported;
    
    Compression _compressionSetting;
    MipmipFilter _mipmapFilterSetting;
    Filter _filterSetting;
    uint32_t _texSelection;
    GLenum _minTexParam, _magTexParam;
    GLfloat _anisotropyTexParam;
}
 
@property (readonly) BOOL compressionSupported;
@property (readonly) BOOL anisotropySupported;
 
@property Compression compressionSetting;
@property MipmipFilter mipmapFilterSetting;
@property Filter filterSetting;
 
- (void)drawView;
 
@end