#include <tamtypes.h>

Include dependency graph for draw_sampling.h:

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Data Structures
struct	lod_t

struct	mipmap_t

struct	texwrap_t

Macros
#define	LOD_FORMULAIC 0

#define	LOD_USE_K 1

#define	LOD_MAG_NEAREST 0

#define	LOD_MAG_LINEAR 1

#define	LOD_MIN_NEAREST 0

#define	LOD_MIN_LINEAR 1

#define	LOD_MIN_NEAR_MIPMAP_NEAR 2

#define	LOD_MIN_NEAR_MIPMAP_LINE 3

#define	LOD_MIN_LINE_MIPMAP_NEAR 4

#define	LOD_MIN_LINE_MIPMAP_LINE 5

#define	LOD_MIPMAP_REGISTER 0

#define	LOD_MIPMAP_CALCULATE 1

#define	WRAP_REPEAT 0

#define	WRAP_CLAMP 1

#define	WRAP_REGION_CLAMP 2

#define	WRAP_REGION_REPEAT 3

#define	ALPHA_EXPAND_NORMAL 0

#define	ALPHA_EXPAND_TRANSPARENT 1

Functions
qword_t *	draw_texture_sampling (qword_t q, int context, lod_t lod)

qword_t *	draw_mipmap1 (qword_t q, int context, mipmap_t mipmap)

qword_t *	draw_mipmap2 (qword_t q, int context, mipmap_t mipmap)

qword_t *	draw_texture_wrapping (qword_t q, int context, texwrap_t wrap)

qword_t *	draw_texture_expand_alpha (qword_t *q, unsigned char zero_value, int expand, unsigned char one_value)

Detailed Description

Draw library sampling functions

Definition in file draw_sampling.h.

Data Structure Documentation

◆ lod_t

struct lod_t

Definition at line 39 of file draw_sampling.h.

Data Fields
unsigned char	calculation
unsigned char	max_level
unsigned char	mag_filter
unsigned char	min_filter
unsigned char	mipmap_select
unsigned char	l
float	k

◆ mipmap_t

struct mipmap_t

Definition at line 49 of file draw_sampling.h.

Data Fields
int	address1
int	address2
int	address3
char	width1
char	width2
char	width3

◆ texwrap_t

struct texwrap_t

Definition at line 58 of file draw_sampling.h.

Data Fields
unsigned char	horizontal
unsigned char	vertical
int	minu
int	maxu
int	minv
int	maxv

Macro Definition Documentation

◆ LOD_FORMULAIC

#define LOD_FORMULAIC 0

Level of Detail

Definition at line 12 of file draw_sampling.h.

◆ LOD_USE_K

#define LOD_USE_K 1

Definition at line 13 of file draw_sampling.h.

◆ LOD_MAG_NEAREST

#define LOD_MAG_NEAREST 0

Texture Scaling

Definition at line 16 of file draw_sampling.h.

◆ LOD_MAG_LINEAR

#define LOD_MAG_LINEAR 1

Definition at line 17 of file draw_sampling.h.

◆ LOD_MIN_NEAREST

#define LOD_MIN_NEAREST 0

Definition at line 18 of file draw_sampling.h.

◆ LOD_MIN_LINEAR

#define LOD_MIN_LINEAR 1

Definition at line 19 of file draw_sampling.h.

◆ LOD_MIN_NEAR_MIPMAP_NEAR

#define LOD_MIN_NEAR_MIPMAP_NEAR 2

Definition at line 20 of file draw_sampling.h.

◆ LOD_MIN_NEAR_MIPMAP_LINE

#define LOD_MIN_NEAR_MIPMAP_LINE 3

Definition at line 21 of file draw_sampling.h.

◆ LOD_MIN_LINE_MIPMAP_NEAR

#define LOD_MIN_LINE_MIPMAP_NEAR 4

Definition at line 22 of file draw_sampling.h.

◆ LOD_MIN_LINE_MIPMAP_LINE

#define LOD_MIN_LINE_MIPMAP_LINE 5

Definition at line 23 of file draw_sampling.h.

◆ LOD_MIPMAP_REGISTER

#define LOD_MIPMAP_REGISTER 0

Mipmaps

Definition at line 26 of file draw_sampling.h.

◆ LOD_MIPMAP_CALCULATE

#define LOD_MIPMAP_CALCULATE 1

Definition at line 27 of file draw_sampling.h.

◆ WRAP_REPEAT

#define WRAP_REPEAT 0

Texture wrapping

Definition at line 30 of file draw_sampling.h.

◆ WRAP_CLAMP

#define WRAP_CLAMP 1

Definition at line 31 of file draw_sampling.h.

◆ WRAP_REGION_CLAMP

#define WRAP_REGION_CLAMP 2

Definition at line 32 of file draw_sampling.h.

◆ WRAP_REGION_REPEAT

#define WRAP_REGION_REPEAT 3

Definition at line 33 of file draw_sampling.h.

◆ ALPHA_EXPAND_NORMAL

#define ALPHA_EXPAND_NORMAL 0

Texture Alpha Expansion

Definition at line 36 of file draw_sampling.h.

◆ ALPHA_EXPAND_TRANSPARENT

#define ALPHA_EXPAND_TRANSPARENT 1

Definition at line 37 of file draw_sampling.h.

Function Documentation

◆ draw_texture_sampling()

qword_t * draw_texture_sampling	(	qword_t *	q,
		int	context,
		lod_t *	lod
	)

Texture Sampling, Level-of-Detail, and Filtering

Definition at line 230 of file draw_environment.c.

References draw_texture_sampling(), GIF_FLG_PACKED, GIF_REG_AD, and GS_REG_TEX1.

Referenced by draw_texture_sampling().

◆ draw_mipmap1()

qword_t * draw_mipmap1	(	qword_t *	q,
		int	context,
		mipmap_t *	mipmap
	)

Mipmap levels 1-3

Definition at line 243 of file draw_environment.c.

References draw_mipmap1(), GIF_FLG_PACKED, GIF_REG_AD, and GS_REG_MIPTBP1.

Referenced by draw_mipmap1().

◆ draw_mipmap2()

qword_t * draw_mipmap2	(	qword_t *	q,
		int	context,
		mipmap_t *	mipmap
	)

Mipmap levels 4-6

Definition at line 258 of file draw_environment.c.

References draw_mipmap2(), GIF_FLG_PACKED, GIF_REG_AD, and GS_REG_MIPTBP2.

Referenced by draw_mipmap2().

◆ draw_texture_wrapping()

qword_t * draw_texture_wrapping	(	qword_t *	q,
		int	context,
		texwrap_t *	wrap
	)

Texture Clamping

Definition at line 301 of file draw_environment.c.

References draw_texture_wrapping(), GIF_FLG_PACKED, GIF_REG_AD, and GS_REG_CLAMP.

Referenced by draw_texture_wrapping().

◆ draw_texture_expand_alpha()

qword_t * draw_texture_expand_alpha	(	qword_t *	q,
		unsigned char	zero_value,
		int	expand,
		unsigned char	one_value
	)

Alpha Expansion Values

Definition at line 315 of file draw_environment.c.

References draw_texture_expand_alpha(), GIF_FLG_PACKED, GIF_REG_AD, and GS_REG_TEXA.

Referenced by draw_texture_expand_alpha().

Data Structures

Macros

Functions