mipmap.c File Reference

#include "gluos.h"
#include <assert.h>
#include <GL/gl.h>
#include <GL/glext.h>
#include <GL/glu.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <math.h>
#include "gluint.h"

Go to the source code of this file.

Data Structures
union	Type_Widget
struct	PixelStorageModes
Defines
#define	__GLU_SWAP_2_BYTES(s)   (GLushort)(((GLushort)((const GLubyte*)(s))[1])<<8 | ((const GLubyte*)(s))[0])
#define	__GLU_SWAP_4_BYTES(s)
#define	BOX2   2
#define	BOX2   2
#define	BOX2   2
#define	BOX2   2
#define	BOX2   2
#define	BOX2   2
#define	BOX2   2
#define	BOX2   2
#define	BOX2   2
#define	BOX2   2
#define	__GLU_INIT_SWAP_IMAGE   void *tmpImage
#define	__GLU_SWAP_IMAGE(a, b)   tmpImage = a; a = b; b = tmpImage;
#define	BOX4   4
#define	BOX2   2
#define	BOX2   2
#define	gluTexImage3D   glTexImage3D
#define	BOX8   8
#define	BOX8   8
Functions
static int	gluBuild1DMipmapLevelsCore (GLenum, GLint, GLsizei, GLsizei, GLenum, GLenum, GLint, GLint, GLint, const void *)
static int	gluBuild2DMipmapLevelsCore (GLenum, GLint, GLsizei, GLsizei, GLsizei, GLsizei, GLenum, GLenum, GLint, GLint, GLint, const void *)
static int	gluBuild3DMipmapLevelsCore (GLenum, GLint, GLsizei, GLsizei, GLsizei, GLsizei, GLsizei, GLsizei, GLenum, GLenum, GLint, GLint, GLint, const void *)
static GLfloat	bytes_per_element (GLenum type)
static GLint	elements_per_group (GLenum format, GLenum type)
static GLint	is_index (GLenum format)
static GLint	image_size (GLint width, GLint height, GLenum format, GLenum type)
static void	fill_image (const PixelStorageModes *, GLint width, GLint height, GLenum format, GLenum type, GLboolean index_format, const void *userdata, GLushort *newimage)
static void	empty_image (const PixelStorageModes *, GLint width, GLint height, GLenum format, GLenum type, GLboolean index_format, const GLushort *oldimage, void *userdata)
static void	scale_internal (GLint components, GLint widthin, GLint heightin, const GLushort *datain, GLint widthout, GLint heightout, GLushort *dataout)
static void	scale_internal_ubyte (GLint components, GLint widthin, GLint heightin, const GLubyte *datain, GLint widthout, GLint heightout, GLubyte *dataout, GLint element_size, GLint ysize, GLint group_size)
static void	scale_internal_byte (GLint components, GLint widthin, GLint heightin, const GLbyte *datain, GLint widthout, GLint heightout, GLbyte *dataout, GLint element_size, GLint ysize, GLint group_size)
static void	scale_internal_ushort (GLint components, GLint widthin, GLint heightin, const GLushort *datain, GLint widthout, GLint heightout, GLushort *dataout, GLint element_size, GLint ysize, GLint group_size, GLint myswap_bytes)
static void	scale_internal_short (GLint components, GLint widthin, GLint heightin, const GLshort *datain, GLint widthout, GLint heightout, GLshort *dataout, GLint element_size, GLint ysize, GLint group_size, GLint myswap_bytes)
static void	scale_internal_uint (GLint components, GLint widthin, GLint heightin, const GLuint *datain, GLint widthout, GLint heightout, GLuint *dataout, GLint element_size, GLint ysize, GLint group_size, GLint myswap_bytes)
static void	scale_internal_int (GLint components, GLint widthin, GLint heightin, const GLint *datain, GLint widthout, GLint heightout, GLint *dataout, GLint element_size, GLint ysize, GLint group_size, GLint myswap_bytes)
static void	scale_internal_float (GLint components, GLint widthin, GLint heightin, const GLfloat *datain, GLint widthout, GLint heightout, GLfloat *dataout, GLint element_size, GLint ysize, GLint group_size, GLint myswap_bytes)
static int	checkMipmapArgs (GLenum, GLenum, GLenum)
static GLboolean	legalFormat (GLenum)
static GLboolean	legalType (GLenum)
static GLboolean	isTypePackedPixel (GLenum)
static GLboolean	isLegalFormatForPackedPixelType (GLenum, GLenum)
static GLboolean	isLegalLevels (GLint, GLint, GLint, GLint)
static void	closestFit (GLenum, GLint, GLint, GLint, GLenum, GLenum, GLint *, GLint *)
static GLdouble	extractUbyte (int, const void *)
static void	shoveUbyte (GLdouble, int, void *)
static GLdouble	extractSbyte (int, const void *)
static void	shoveSbyte (GLdouble, int, void *)
static GLdouble	extractUshort (int, const void *)
static void	shoveUshort (GLdouble, int, void *)
static GLdouble	extractSshort (int, const void *)
static void	shoveSshort (GLdouble, int, void *)
static GLdouble	extractUint (int, const void *)
static void	shoveUint (GLdouble, int, void *)
static GLdouble	extractSint (int, const void *)
static void	shoveSint (GLdouble, int, void *)
static GLdouble	extractFloat (int, const void *)
static void	shoveFloat (GLdouble, int, void *)
static void	halveImageSlice (int, GLdouble(*)(int, const void *), void(*)(GLdouble, int, void *), GLint, GLint, GLint, const void *, void *, GLint, GLint, GLint, GLint, GLint)
static void	halveImage3D (int, GLdouble(*)(int, const void *), void(*)(GLdouble, int, void *), GLint, GLint, GLint, const void *, void *, GLint, GLint, GLint, GLint, GLint)
static void	extract332 (int, const void *, GLfloat[])
static void	shove332 (const GLfloat[], int, void *)
static void	extract233rev (int, const void *, GLfloat[])
static void	shove233rev (const GLfloat[], int, void *)
static void	extract565 (int, const void *, GLfloat[])
static void	shove565 (const GLfloat[], int, void *)
static void	extract565rev (int, const void *, GLfloat[])
static void	shove565rev (const GLfloat[], int, void *)
static void	extract4444 (int, const void *, GLfloat[])
static void	shove4444 (const GLfloat[], int, void *)
static void	extract4444rev (int, const void *, GLfloat[])
static void	shove4444rev (const GLfloat[], int, void *)
static void	extract5551 (int, const void *, GLfloat[])
static void	shove5551 (const GLfloat[], int, void *)
static void	extract1555rev (int, const void *, GLfloat[])
static void	shove1555rev (const GLfloat[], int, void *)
static void	extract8888 (int, const void *, GLfloat[])
static void	shove8888 (const GLfloat[], int, void *)
static void	extract8888rev (int, const void *, GLfloat[])
static void	shove8888rev (const GLfloat[], int, void *)
static void	extract1010102 (int, const void *, GLfloat[])
static void	shove1010102 (const GLfloat[], int, void *)
static void	extract2101010rev (int, const void *, GLfloat[])
static void	shove2101010rev (const GLfloat[], int, void *)
static void	scaleInternalPackedPixel (int, void(*)(int, const void *, GLfloat[]), void(*)(const GLfloat[], int, void *), GLint, GLint, const void *, GLint, GLint, void *, GLint, GLint, GLint)
static void	halveImagePackedPixel (int, void(*)(int, const void *, GLfloat[]), void(*)(const GLfloat[], int, void *), GLint, GLint, const void *, void *, GLint, GLint, GLint)
static void	halve1DimagePackedPixel (int, void(*)(int, const void *, GLfloat[]), void(*)(const GLfloat[], int, void *), GLint, GLint, const void *, void *, GLint, GLint, GLint)
static void	halve1Dimage_ubyte (GLint, GLuint, GLuint, const GLubyte *, GLubyte *, GLint, GLint, GLint)
static void	halve1Dimage_byte (GLint, GLuint, GLuint, const GLbyte *, GLbyte *, GLint, GLint, GLint)
static void	halve1Dimage_ushort (GLint, GLuint, GLuint, const GLushort *, GLushort *, GLint, GLint, GLint, GLint)
static void	halve1Dimage_short (GLint, GLuint, GLuint, const GLshort *, GLshort *, GLint, GLint, GLint, GLint)
static void	halve1Dimage_uint (GLint, GLuint, GLuint, const GLuint *, GLuint *, GLint, GLint, GLint, GLint)
static void	halve1Dimage_int (GLint, GLuint, GLuint, const GLint *, GLint *, GLint, GLint, GLint, GLint)
static void	halve1Dimage_float (GLint, GLuint, GLuint, const GLfloat *, GLfloat *, GLint, GLint, GLint, GLint)
static GLint	imageSize3D (GLint, GLint, GLint, GLenum, GLenum)
static void	fillImage3D (const PixelStorageModes *, GLint, GLint, GLint, GLenum, GLenum, GLboolean, const void *, GLushort *)
static void	emptyImage3D (const PixelStorageModes *, GLint, GLint, GLint, GLenum, GLenum, GLboolean, const GLushort *, void *)
static void	scaleInternal3D (GLint, GLint, GLint, GLint, const GLushort *, GLint, GLint, GLint, GLushort *)
static void	retrieveStoreModes (PixelStorageModes *psm)
static void	retrieveStoreModes3D (PixelStorageModes *psm)
static int	computeLog (GLuint value)
static int	nearestPower (GLuint value)
static void	halveImage (GLint components, GLuint width, GLuint height, const GLushort *datain, GLushort *dataout)
static void	halveImage_ubyte (GLint components, GLuint width, GLuint height, const GLubyte *datain, GLubyte *dataout, GLint element_size, GLint ysize, GLint group_size)
static void	halveImage_byte (GLint components, GLuint width, GLuint height, const GLbyte *datain, GLbyte *dataout, GLint element_size, GLint ysize, GLint group_size)
static void	halveImage_ushort (GLint components, GLuint width, GLuint height, const GLushort *datain, GLushort *dataout, GLint element_size, GLint ysize, GLint group_size, GLint myswap_bytes)
static void	halveImage_short (GLint components, GLuint width, GLuint height, const GLshort *datain, GLshort *dataout, GLint element_size, GLint ysize, GLint group_size, GLint myswap_bytes)
static void	halveImage_uint (GLint components, GLuint width, GLuint height, const GLuint *datain, GLuint *dataout, GLint element_size, GLint ysize, GLint group_size, GLint myswap_bytes)
static void	halveImage_int (GLint components, GLuint width, GLuint height, const GLint *datain, GLint *dataout, GLint element_size, GLint ysize, GLint group_size, GLint myswap_bytes)
static void	halveImage_float (GLint components, GLuint width, GLuint height, const GLfloat *datain, GLfloat *dataout, GLint element_size, GLint ysize, GLint group_size, GLint myswap_bytes)
GLint GLAPIENTRY	gluScaleImage (GLenum format, GLsizei widthin, GLsizei heightin, GLenum typein, const void *datain, GLsizei widthout, GLsizei heightout, GLenum typeout, void *dataout)
GLint GLAPIENTRY	gluBuild1DMipmapLevels (GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, GLint userLevel, GLint baseLevel, GLint maxLevel, const void *data)
GLint GLAPIENTRY	gluBuild1DMipmaps (GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, const void *data)
static int	bitmapBuild2DMipmaps (GLenum target, GLint internalFormat, GLint width, GLint height, GLenum format, GLenum type, const void *data)
GLint GLAPIENTRY	gluBuild2DMipmapLevels (GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint userLevel, GLint baseLevel, GLint maxLevel, const void *data)
GLint GLAPIENTRY	gluBuild2DMipmaps (GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *data)
static int	gluScaleImage3D (GLenum format, GLint widthIn, GLint heightIn, GLint depthIn, GLenum typeIn, const void *dataIn, GLint widthOut, GLint heightOut, GLint depthOut, GLenum typeOut, void *dataOut)
static void	closestFit3D (GLenum target, GLint width, GLint height, GLint depth, GLint internalFormat, GLenum format, GLenum type, GLint *newWidth, GLint *newHeight, GLint *newDepth)
static void	halveImagePackedPixelSlice (int components, void(*extractPackedPixel)(int, const void *, GLfloat[]), void(*shovePackedPixel)(const GLfloat[], int, void *), GLint width, GLint height, GLint depth, const void *dataIn, void *dataOut, GLint pixelSizeInBytes, GLint rowSizeInBytes, GLint imageSizeInBytes, GLint isSwap)
static void	halveImagePackedPixel3D (int components, void(*extractPackedPixel)(int, const void *, GLfloat[]), void(*shovePackedPixel)(const GLfloat[], int, void *), GLint width, GLint height, GLint depth, const void *dataIn, void *dataOut, GLint pixelSizeInBytes, GLint rowSizeInBytes, GLint imageSizeInBytes, GLint isSwap)
GLint GLAPIENTRY	gluBuild3DMipmapLevels (GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLint userLevel, GLint baseLevel, GLint maxLevel, const void *data)
GLint GLAPIENTRY	gluBuild3DMipmaps (GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data)