pandora: tripplebuffer fbdev out, refactoring

git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@845 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-12-20 19:47:55 +00:00
parent fbe111032e
commit b188c2b6d0
17 changed files with 404 additions and 171 deletions

View file

@ -1,62 +1,39 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <linux/fb.h>
#include <fcntl.h>
#include <errno.h>
#include "../linux/sndout_oss.h"
#include "../common/arm_linux.h"
#include "../linux/fbdev.h"
#include "../common/emu.h"
static int fbdev = -1;
#define SCREEN_MAP_SIZE (800*480*2)
static void *screen = MAP_FAILED;
void plat_early_init(void)
{
}
void plat_init(void)
{
printf("entering init()\n"); fflush(stdout);
int ret, w, h;
fbdev = open("/dev/fb0", O_RDWR);
if (fbdev == -1)
{
perror("open(\"/dev/fb0\")");
ret = vout_fbdev_init(&w, &h);
if (ret != 0) {
fprintf(stderr, "couldn't init framebuffer\n");
exit(1);
}
screen = mmap(0, SCREEN_MAP_SIZE, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev, 0);
if (screen == MAP_FAILED)
{
perror("mmap(fbptr)");
if (w != g_screen_width || h != g_screen_height) {
fprintf(stderr, "%dx%d not supported\n", w, h);
vout_fbdev_finish();
exit(1);
}
printf("fbptr %p\n", screen);
g_screen_ptr = screen;
// snd
sndout_oss_init();
printf("exitting init()\n"); fflush(stdout);
}
void plat_finish(void)
{
if (screen != MAP_FAILED)
munmap(screen, SCREEN_MAP_SIZE);
if (fbdev >= 0)
close(fbdev);
sndout_oss_exit();
vout_fbdev_finish();
printf("all done");
}