Display Subsystem. More...

Macros
#define	NUM_BUFFERS 32
	Maximum number of video backbuffers.

#define	FPS_WINDOW 32
	Number of past frames used to evaluate FPS.

Functions
void	display_init (resolution_t res, bitdepth_t bit, uint32_t num_buffers, gamma_t gamma, filter_options_t filters)
	Initialize the display to a particular resolution and bit depth.

void	display_close ()
	Close the display.

surface_t *	display_try_get (void)
	Try getting a display surface.

surface_t *	display_get (void)
	Get a display buffer for rendering.

void	display_show (surface_t *surf)
	Display a buffer on the screen.

void	display_show_force (display_context_t disp)
	Force-display a previously locked buffer.

uint32_t	display_get_width (void)
	Get the currently configured width of the display in pixels.

uint32_t	display_get_height (void)
	Get the currently configured height of the display in pixels.

uint32_t	display_get_bitdepth (void)
	Get the currently configured bitdepth of the display (in bytes per pixels)

uint32_t	display_get_num_buffers (void)
	Get the currently configured number of buffers.

float	display_get_fps (void)
	Get the current number of frames per second being rendered.

Detailed Description

Display Subsystem.

Function Documentation

void display_show_force ( display_context_t disp )

Force-display a previously locked buffer.

Display a valid display context to the screen right away, without waiting for vblank interrupt. This function works also with interrupts disabled.

NOTE: this is currently not part of the public API as we use it only internally.

Parameters

[in] disp A display context retrieved using display_get