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Merge remote-tracking branch 'notaz/master'

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This commit is contained in:
kub 2023-01-29 19:37:03 +00:00
commit 7b58e15633
3 changed files with 13 additions and 10 deletions
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17
linux/fbdev.c
View file

@ -66,9 +66,9 @@ void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev)
ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &arg);
}
/* it is recommended to call vout_fbdev_clear() before this */
void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp,
int left_border, int right_border, int top_border, int bottom_border, int buffer_cnt)
int left_border, int right_border, int top_border, int bottom_border,
int buffer_cnt, int first_write_to_front)
{
int w_total = left_border + w + right_border;
int h_total = top_border + h + bottom_border;
@ -100,9 +100,8 @@ void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp,
fbdev->fbvar_new.nonstd = 0; // can set YUV here on omapfb
fbdev->buffer_count = buffer_cnt;
fbdev->buffer_write = buffer_cnt > 1 ? 1 : 0;
// seems to help a bit to avoid glitches
vout_fbdev_wait_vsync(fbdev);
if (first_write_to_front)
fbdev->buffer_write = 0;
ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new);
if (ret == -1) {
@ -119,6 +118,9 @@ void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp,
"multibuffering disabled\n");
}
// omap is still using the old mode until vsync,
// if the caller starts to write now we may get garbage on screen
vout_fbdev_wait_vsync(fbdev);
}
fbdev->fb_size = w_total * h_total * bpp / 8;
@ -155,7 +157,8 @@ out:
void vout_fbdev_clear(struct vout_fbdev *fbdev)
{
memset(fbdev->mem, 0, fbdev->mem_size);
if (fbdev->mem)
memset(fbdev->mem, 0, fbdev->fb_size * fbdev->buffer_count);
}
void vout_fbdev_clear_lines(struct vout_fbdev *fbdev, int y, int count)
@ -209,7 +212,7 @@ struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int b
if (*h != 0)
req_h = *h;
pret = vout_fbdev_resize(fbdev, req_w, req_h, bpp, 0, 0, 0, 0, buffer_cnt);
pret = vout_fbdev_resize(fbdev, req_w, req_h, bpp, 0, 0, 0, 0, buffer_cnt, 0);
if (pret == NULL)
goto fail;

2
linux/fbdev.h
View file

@ -5,7 +5,7 @@ void *vout_fbdev_flip(struct vout_fbdev *fbdev);
void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev);
void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp,
int left_border, int right_border, int top_border, int bottom_border,
int buffer_count);
int buffer_cnt, int first_write_to_front);
void vout_fbdev_clear(struct vout_fbdev *fbdev);
void vout_fbdev_clear_lines(struct vout_fbdev *fbdev, int y, int count);
int vout_fbdev_get_fd(struct vout_fbdev *fbdev);

4
plat_sdl.c
View file

@ -106,12 +106,12 @@ int plat_sdl_change_video_mode(int w, int h, int force)
|| plat_target.vout_method == vout_mode_overlay2x) {
int W = plat_target.vout_method == vout_mode_overlay2x && w < 640 ? 2*w : w;
plat_sdl_overlay = SDL_CreateYUVOverlay(W, h, SDL_UYVY_OVERLAY, plat_sdl_screen);
if (plat_sdl_overlay != NULL) {
SDL_LockYUVOverlay(plat_sdl_overlay);
if (plat_sdl_overlay != NULL && SDL_LockYUVOverlay(plat_sdl_overlay) == 0) {
if ((long)plat_sdl_overlay->pixels[0] & 3)
fprintf(stderr, "warning: overlay pointer is unaligned\n");
plat_sdl_overlay_clear();
SDL_UnlockYUVOverlay(plat_sdl_overlay);
}
else {