screen.c File Reference

#include "screen.h"
#include "region.h"
#include "surface.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/fb.h>
#include <sys/io.h>
#include <sys/proc.h>

Go to the source code of this file.

Functions
static void	frontbuffer_init (void)
static void	backbuffer_init (void)
static void	screen_invalidate (const rect_t *rect)
void	screen_init (void)
void	screen_deinit (void)
void	screen_transfer (surface_t *surface, const rect_t *rect)
void	screen_transfer_blend (surface_t *surface, const rect_t *rect)
void	screen_transfer_frontbuffer (surface_t *surface, const rect_t *rect)
void	screen_swap (void)
uint64_t	screen_width (void)
uint64_t	screen_height (void)
void	screen_rect (rect_t *rect)

Variables
static fb_info_t	info
static void *	frontbuffer
static void *	backbuffer
static rect_t	screenRect
static region_t	invalidRegion

Function Documentation

backbuffer_init()

static void backbuffer_init ( void  )

static

Definition at line 62 of file screen.c.

References abort(), backbuffer, fb_info_t::height, info, malloc(), NULL, printf(), and fb_info_t::stride.

Referenced by screen_init().

frontbuffer_init()

static void frontbuffer_init ( void  )

static

Definition at line 21 of file screen.c.

References abort(), close(), ERR, errno, FB_ARGB32, fb_info_t::format, frontbuffer, fb_info_t::height, info, memset(), mmap(), fb_info_t::name, NULL, open(), printf(), PROT_READ, PROT_WRITE, readfile(), strerror(), fb_info_t::stride, and fb_info_t::width.

Referenced by screen_init().

screen_deinit()

void screen_deinit

(

void

)

Definition at line 87 of file screen.c.

References backbuffer, free(), frontbuffer, fb_info_t::height, info, munmap(), and fb_info_t::stride.

Referenced by main().

screen_height()

uint64_t screen_height

(

void

)

Definition at line 199 of file screen.c.

References fb_info_t::height, and info.

Referenced by client_action_screen_info(), compositor_init(), and dwm_handle_mouse_event().

screen_init()

void screen_init

(

void

)

Definition at line 79 of file screen.c.

References backbuffer_init(), frontbuffer_init(), fb_info_t::height, info, invalidRegion, RECT_INIT_DIM, region_init(), screenRect, and fb_info_t::width.

Referenced by main().

screen_invalidate()

static void screen_invalidate ( const rect_t *  rect )

static

Definition at line 72 of file screen.c.

References invalidRegion, RECT_FIT, region_add(), and screenRect.

Referenced by screen_transfer(), and screen_transfer_blend().

screen_rect()

void screen_rect

(

rect_t *

rect

)

Definition at line 204 of file screen.c.

References screenRect.

screen_swap()

void screen_swap

(

void

)

Definition at line 166 of file screen.c.

References abort(), backbuffer, region_t::count, FB_ARGB32, fb_info_t::format, frontbuffer, info, invalidRegion, rect_t::left, memcpy(), printf(), RECT_HEIGHT, RECT_WIDTH, region_t::rects, region_clear(), fb_info_t::stride, rect_t::top, and y.

Referenced by compositor_draw().

screen_transfer()

void screen_transfer	(	surface_t *	surface,
		const rect_t *	rect
	)

Definition at line 93 of file screen.c.

References backbuffer, surface_t::buffer, info, rect_t::left, MAX, memcpy(), surface_t::pos, RECT_FIT, RECT_HEIGHT, RECT_WIDTH, screen_invalidate(), screenRect, fb_info_t::stride, rect_t::top, surface_t::width, point_t::x, point_t::y, and y.

Referenced by compositor_draw_surface().

screen_transfer_blend()

void screen_transfer_blend	(	surface_t *	surface,
		const rect_t *	rect
	)

Definition at line 112 of file screen.c.

References backbuffer, surface_t::buffer, info, rect_t::left, MAX, PIXEL_BLEND, surface_t::pos, RECT_FIT, RECT_HEIGHT, RECT_WIDTH, screen_invalidate(), screenRect, fb_info_t::stride, rect_t::top, surface_t::width, point_t::x, x, point_t::y, and y.

Referenced by compositor_draw_all().

screen_transfer_frontbuffer()

void screen_transfer_frontbuffer	(	surface_t *	surface,
		const rect_t *	rect
	)

Definition at line 135 of file screen.c.

References abort(), surface_t::buffer, FB_ARGB32, fb_info_t::format, frontbuffer, info, invalidRegion, rect_t::left, MAX, memcpy(), surface_t::pos, printf(), RECT_FIT, RECT_HEIGHT, RECT_WIDTH, region_clear(), screenRect, fb_info_t::stride, rect_t::top, surface_t::width, point_t::x, point_t::y, and y.

Referenced by compositor_draw_fullscreen().

screen_width()

uint64_t screen_width

(

void

)

Definition at line 194 of file screen.c.

References info, and fb_info_t::width.

Referenced by client_action_screen_info(), compositor_init(), and dwm_handle_mouse_event().

Variable Documentation

backbuffer

void* backbuffer

static

Definition at line 16 of file screen.c.

Referenced by backbuffer_init(), screen_deinit(), screen_swap(), screen_transfer(), and screen_transfer_blend().

frontbuffer

void* frontbuffer

static

Definition at line 15 of file screen.c.

Referenced by frontbuffer_init(), screen_deinit(), screen_swap(), and screen_transfer_frontbuffer().

info

fb_info_t info

static

Definition at line 14 of file screen.c.

Referenced by backbuffer_init(), frontbuffer_init(), screen_deinit(), screen_height(), screen_init(), screen_swap(), screen_transfer(), screen_transfer_blend(), screen_transfer_frontbuffer(), and screen_width().

invalidRegion

region_t invalidRegion

static

Definition at line 19 of file screen.c.

Referenced by screen_init(), screen_invalidate(), screen_swap(), and screen_transfer_frontbuffer().

screenRect

rect_t screenRect

static

Definition at line 18 of file screen.c.

Referenced by screen_init(), screen_invalidate(), screen_rect(), screen_transfer(), screen_transfer_blend(), and screen_transfer_frontbuffer().