Functions

Collaboration diagram for Functions:

Functions
float	hal_gfx_get_time (void)
	Return system timestamp in second, need to porting. More...
float	hal_gfx_get_wall_time (void)
	Return system timestamp in millisecond, need to porting. More...
hal_gfx_buffer_t	hal_gfx_load_file (const char *filename, int length, void *buffer)
	load file to buffer, need to porting More...
int	hal_gfx_save_file (const char *filename, int length, void *buffer)
	save buffer to file, need to porting More...
unsigned int	hal_gfx_rand (void)
	generate a random number, need to porting More...
void	hal_gfx_calculate_fps (void)
	calculate the fps, need to porting More...
float	hal_gfx_calculate_fps_ext (float start_time, uint32_t frame)
	calculate the fps, need to porting More...
void *	hal_gfx_memcpy (void *destination, const void *source, size_t num)
	memcpy function, need to porting More...

Detailed Description

Function Documentation

hal_gfx_calculate_fps()

void hal_gfx_calculate_fps

(

void

)

calculate the fps, need to porting

Returns

none

hal_gfx_calculate_fps_ext()

float hal_gfx_calculate_fps_ext	(	float	start_time,
		uint32_t	frame
	)

calculate the fps, need to porting

Parameters

[in]	start_time	start timestamp in ms
[in]	frame	frame count from start_time

Returns

fps

hal_gfx_get_time()

float hal_gfx_get_time

(

void

)

Return system timestamp in second, need to porting.

Returns

timestamp in second

hal_gfx_get_wall_time()

float hal_gfx_get_wall_time

(

void

)

Return system timestamp in millisecond, need to porting.

Returns

timestamp in millisecond

hal_gfx_load_file()

hal_gfx_buffer_t hal_gfx_load_file	(	const char *	filename,
		int	length,
		void *	buffer
	)

load file to buffer, need to porting

Returns

the struct to save buffer

hal_gfx_memcpy()

void* hal_gfx_memcpy	(	void *	destination,
		const void *	source,
		size_t	num
	)

memcpy function, need to porting

Parameters

[in]	destination	destination address
[in]	source	source address
[in]	num	copy data in bytes

Returns

destination address

hal_gfx_rand()

unsigned int hal_gfx_rand

(

void

)

generate a random number, need to porting

Returns

random number

hal_gfx_save_file()

int hal_gfx_save_file	(	const char *	filename,
		int	length,
		void *	buffer
	)

save buffer to file, need to porting

Returns

0 - successful; other - fail