graph.h File Reference

#include <graph_vram.h>

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Data Structures
struct	GRAPH_MODE

Macros
#define	GRAPH_MODE_AUTO   0
#define	GRAPH_MODE_NTSC   1
#define	GRAPH_MODE_PAL   2
#define	GRAPH_MODE_HDTV_480P   3
#define	GRAPH_MODE_HDTV_576P   4
#define	GRAPH_MODE_HDTV_720P   5
#define	GRAPH_MODE_HDTV_1080I   6
#define	GRAPH_MODE_VGA_640_60   7
#define	GRAPH_MODE_VGA_640_72   8
#define	GRAPH_MODE_VGA_640_75   9
#define	GRAPH_MODE_VGA_640_85   10
#define	GRAPH_MODE_VGA_800_56   11
#define	GRAPH_MODE_VGA_800_60   12
#define	GRAPH_MODE_VGA_800_72   13
#define	GRAPH_MODE_VGA_800_75   14
#define	GRAPH_MODE_VGA_800_85   15
#define	GRAPH_MODE_VGA_1024_60   16
#define	GRAPH_MODE_VGA_1024_70   17
#define	GRAPH_MODE_VGA_1024_75   18
#define	GRAPH_MODE_VGA_1024_85   19
#define	GRAPH_MODE_VGA_1280_60   20
#define	GRAPH_MODE_VGA_1280_75   21
#define	GRAPH_MODE_NONINTERLACED   0
#define	GRAPH_MODE_INTERLACED   1
#define	GRAPH_MODE_FIELD   0
#define	GRAPH_MODE_FRAME   1
#define	GRAPH_FIELD_EVEN   0
#define	GRAPH_FIELD_ODD   1
#define	GRAPH_DISABLE   0
#define	GRAPH_ENABLE   1
#define	GRAPH_GCONT_RGB   0
#define	GRAPH_GCONT_YCRCB   1
#define	GRAPH_CMOD_NTSC   2
#define	GRAPH_CMOD_PAL   3
#define	GRAPH_VALUE_RC1   0
#define	GRAPH_VALUE_ALPHA   1
#define	GRAPH_RC1_ALPHA   0
#define	GRAPH_RC2_ALPHA   1
#define	GRAPH_BLEND_RC2   0
#define	GRAPH_BLEND_BGCOLOR   1

Functions
int	graph_initialize (int fbp, int width, int height, int psm, int x, int y)
int	graph_get_region (void)
float	graph_aspect_ratio (void)
void	graph_enable_output (void)
void	graph_disable_output (void)
int	graph_set_mode (int interlace, int mode, int ffmd, int flicker_filter)
int	graph_set_screen (int x, int y, int width, int height)
void	graph_set_framebuffer_filtered (int fbp, int width, int psm, int x, int y)
void	graph_set_framebuffer (int context, int fbp, int width, int psm, int x, int y)
void	graph_set_bgcolor (unsigned char r, unsigned char g, unsigned char b)
void	graph_set_output (int rc1, int rc2, int alpha_select, int alpha_output, int blend_method, unsigned char alpha)
int	graph_add_vsync_handler (int(*vsync_callback)(int cause))
void	graph_remove_vsync_handler (int callback_id)
void	graph_wait_hsync (void)
void	graph_wait_vsync (void)
int	graph_check_vsync (void)
void	graph_start_vsync (void)
int	graph_shutdown (void)

Variables
GRAPH_MODE	graph_mode []

Detailed Description

Graph library

Definition in file graph.h.

---

Data Structure Documentation

GRAPH_MODE

struct GRAPH_MODE

Definition at line 89 of file graph.h.

Data Fields
int	x
int	y
int	width
int	height
int	mode

Macro Definition Documentation

GRAPH_MODE_AUTO

#define GRAPH_MODE_AUTO   0

Automatic NTSC or PAL mode setting.

Definition at line 13 of file graph.h.

GRAPH_MODE_NTSC

#define GRAPH_MODE_NTSC   1

256 x 224 to 640 x 448

Definition at line 15 of file graph.h.

GRAPH_MODE_PAL

#define GRAPH_MODE_PAL   2

256 x 256 to 640 x 512

Definition at line 17 of file graph.h.

GRAPH_MODE_HDTV_480P

#define GRAPH_MODE_HDTV_480P   3

720 x 480

Definition at line 19 of file graph.h.

GRAPH_MODE_HDTV_576P

#define GRAPH_MODE_HDTV_576P   4

656 x 576

Definition at line 21 of file graph.h.

GRAPH_MODE_HDTV_720P

#define GRAPH_MODE_HDTV_720P   5

1280 x 720

Definition at line 23 of file graph.h.

GRAPH_MODE_HDTV_1080I

#define GRAPH_MODE_HDTV_1080I   6

1920 x 1080

Definition at line 25 of file graph.h.

GRAPH_MODE_VGA_640_60

#define GRAPH_MODE_VGA_640_60   7

640 x 480 @ 60hz

Definition at line 27 of file graph.h.

GRAPH_MODE_VGA_640_72

#define GRAPH_MODE_VGA_640_72   8

640 x 480 @ 72hz

Definition at line 29 of file graph.h.

GRAPH_MODE_VGA_640_75

#define GRAPH_MODE_VGA_640_75   9

640 x 480 @ 75hz

Definition at line 31 of file graph.h.

GRAPH_MODE_VGA_640_85

#define GRAPH_MODE_VGA_640_85   10

640 x 480 @ 85hz

Definition at line 33 of file graph.h.

GRAPH_MODE_VGA_800_56

#define GRAPH_MODE_VGA_800_56   11

800 x 600 @ 56hz

Definition at line 35 of file graph.h.

GRAPH_MODE_VGA_800_60

#define GRAPH_MODE_VGA_800_60   12

800 x 600 @ 60hz

Definition at line 37 of file graph.h.

GRAPH_MODE_VGA_800_72

#define GRAPH_MODE_VGA_800_72   13

800 x 600 @ 72hz

Definition at line 39 of file graph.h.

GRAPH_MODE_VGA_800_75

#define GRAPH_MODE_VGA_800_75   14

800 x 600 @ 75hz

Definition at line 41 of file graph.h.

GRAPH_MODE_VGA_800_85

#define GRAPH_MODE_VGA_800_85   15

800 x 600 @ 85hz

Definition at line 43 of file graph.h.

GRAPH_MODE_VGA_1024_60

#define GRAPH_MODE_VGA_1024_60   16

1024 x 768 @ 60hz

Definition at line 45 of file graph.h.

GRAPH_MODE_VGA_1024_70

#define GRAPH_MODE_VGA_1024_70   17

1024 x 768 @ 70hz

Definition at line 47 of file graph.h.

GRAPH_MODE_VGA_1024_75

#define GRAPH_MODE_VGA_1024_75   18

1024 x 768 @ 75hz

Definition at line 49 of file graph.h.

GRAPH_MODE_VGA_1024_85

#define GRAPH_MODE_VGA_1024_85   19

1024 x 768 @ 85hz

Definition at line 51 of file graph.h.

GRAPH_MODE_VGA_1280_60

#define GRAPH_MODE_VGA_1280_60   20

1280 x 1024 @ 60hz

Definition at line 53 of file graph.h.

GRAPH_MODE_VGA_1280_75

#define GRAPH_MODE_VGA_1280_75   21

1280 x 1024 @ 75hz

Definition at line 55 of file graph.h.

GRAPH_DISABLE

#define GRAPH_DISABLE   0

Generic use

Definition at line 67 of file graph.h.

GRAPH_GCONT_RGB

#define GRAPH_GCONT_RGB   0

Smode1 parameters

Definition at line 71 of file graph.h.

GRAPH_VALUE_RC1

#define GRAPH_VALUE_RC1   0

Alpha Blending value to use

Definition at line 78 of file graph.h.

GRAPH_RC1_ALPHA

#define GRAPH_RC1_ALPHA   0

Alpha output value

Definition at line 82 of file graph.h.

GRAPH_BLEND_RC2

#define GRAPH_BLEND_RC2   0

Alpha blending method

Definition at line 86 of file graph.h.

Function Documentation

graph_initialize()

int graph_initialize	(	int	fbp,
		int	width,
		int	height,
		int	psm,
		int	x,
		int	y
	)

Initializes a default NTSC/PAL mode with default settings.

Definition at line 6 of file graph.c.

graph_get_region()

int graph_get_region

(

void

)

Retrieves the PS2's region for automatic mode selection.

Definition at line 114 of file graph_mode.c.

References GetRomName(), GRAPH_MODE_NTSC, and GRAPH_MODE_PAL.

graph_aspect_ratio()

float graph_aspect_ratio

(

void

)

Returns an aspect ratio calculated from system setting, width, and height

Definition at line 402 of file graph_mode.c.

References configGetTvScreenType().

graph_enable_output()

void graph_enable_output

(

void

)

Sets a default output method.

Definition at line 315 of file graph_mode.c.

References graph_set_output().

graph_disable_output()

void graph_disable_output

(

void

)

Turns off the read circuits.

Definition at line 333 of file graph_mode.c.

References graph_set_output().

Referenced by graph_shutdown().

graph_set_mode()

int graph_set_mode	(	int	interlace,
		int	mode,
		int	ffmd,
		int	flicker_filter
	)

Sets the graphics mode.

Definition at line 130 of file graph_mode.c.

graph_set_screen()

int graph_set_screen	(	int	x,
		int	y,
		int	width,
		int	height
	)

Sets the screen dimensions for the read circuits.

Definition at line 186 of file graph_mode.c.

References GRAPH_MODE_AUTO.

graph_set_framebuffer_filtered()

void graph_set_framebuffer_filtered	(	int	fbp,
		int	width,
		int	psm,
		int	x,
		int	y
	)

Sets the framebuffer attributes for the read circuits with filter.

Definition at line 268 of file graph_mode.c.

References GS_REG_DISPFB1.

graph_set_framebuffer()

void graph_set_framebuffer	(	int	context,
		int	fbp,
		int	width,
		int	psm,
		int	x,
		int	y
	)

Sets the framebuffer attributes for the read circuits.

Definition at line 278 of file graph_mode.c.

References GS_REG_DISPFB1.

graph_set_bgcolor()

void graph_set_bgcolor	(	unsigned char	r,
		unsigned char	g,
		unsigned char	b
	)

Sets the background color for merge circuit.

Definition at line 297 of file graph_mode.c.

References GS_REG_BGCOLOR.

graph_set_output()

void graph_set_output	(	int	rc1,
		int	rc2,
		int	alpha_select,
		int	alpha_output,
		int	blend_method,
		unsigned char	alpha
	)

Sets the read circuits and merge cicuit.

Definition at line 304 of file graph_mode.c.

Referenced by graph_disable_output(), and graph_enable_output().

graph_add_vsync_handler()

int graph_add_vsync_handler

(

int(*)(int cause)

vsync_callback

)

Add a vsync interrupt handler

Definition at line 29 of file graph.c.

graph_remove_vsync_handler()

void graph_remove_vsync_handler

(

int

callback_id

)

Remove a vsync interrupt handler

Definition at line 46 of file graph.c.

graph_wait_hsync()

void graph_wait_hsync

(

void

)

Starts a horizontal sync event and waits

Definition at line 74 of file graph.c.

References GS_REG_CSR.

graph_wait_vsync()

void graph_wait_vsync

(

void

)

Starts a vertical sync event and waits.

Definition at line 99 of file graph.c.

References GS_REG_CSR.

graph_check_vsync()

int graph_check_vsync

(

void

)

Checks if a vertical sync event is currently generated.

Definition at line 85 of file graph.c.

References GS_REG_CSR.

graph_start_vsync()

void graph_start_vsync

(

void

)

Starts a vertical sync event and returns immediately.

Definition at line 92 of file graph.c.

References GS_REG_CSR.

graph_shutdown()

int graph_shutdown

(

void

)

Shut down the graphics library and hardware.

Definition at line 433 of file graph_mode.c.

References graph_disable_output(), and GS_REG_CSR.