video_state_tracker.c File Reference

#include <stdlib.h>
#include <compat/strl.h>
#include <retro_inline.h>
#include "video_state_tracker.h"
#include "../input/input_driver.h"
#include "../verbosity.h"

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Classes
struct	state_tracker_internal
struct	state_tracker

Functions
state_tracker_t *	state_tracker_init (const struct state_tracker_info *info)
void	state_tracker_free (state_tracker_t *tracker)
static INLINE uint16_t	state_tracker_fetch (const struct state_tracker_internal *info)
static void	state_tracker_update_element (struct state_tracker_uniform *uniform, struct state_tracker_internal *info, unsigned frame_count)
void	state_tracker_update_input (uint16_t *input1, uint16_t *input2)
unsigned	state_tracker_get_uniform (state_tracker_t *tracker, struct state_tracker_uniform *uniforms, unsigned elem, unsigned frame_count)

Function Documentation

state_tracker_fetch()

static INLINE uint16_t state_tracker_fetch ( const struct state_tracker_internal *  info )

static

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state_tracker_free()

void state_tracker_free

(

state_tracker_t *

tracker

)

state_tracker_free: : State tracker handle.

Frees a state tracker handle.

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state_tracker_get_uniform()

unsigned state_tracker_get_uniform	(	state_tracker_t *	tracker,
		struct state_tracker_uniform *	uniforms,
		unsigned	elem,
		unsigned	frame_count
	)

state_tracker_get_uniform: : State tracker handle. : State tracker uniforms. : Amount of uniform elements. : Frame count.

Calls state_tracker_update_input(), and updates each uniform element accordingly.

Returns: Amount of state elements (either equal to or equal to ->info_eleme).

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state_tracker_init()

state_tracker_t* state_tracker_init

(

const struct state_tracker_info *

info

)

state_tracker_init: : State tracker info handle.

Creates and initializes graphics state tracker.

Returns: new state tracker handle if successful, otherwise NULL.

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state_tracker_update_element()

static void state_tracker_update_element ( struct state_tracker_uniform *  uniform, struct state_tracker_internal *  info, unsigned  frame_count  )

static

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state_tracker_update_input()

void state_tracker_update_input	(	uint16_t *	input1,
		uint16_t *	input2
	)

state_tracker_update_input:

Updates 16-bit input in same format as libretro API itself.

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