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 |
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