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authornotaz2010-12-08 02:10:06 +0200
committernotaz2010-12-14 15:25:04 +0200
commit1972732abfea710d3d7b61180971580d9e5081ce (patch)
tree193b88cbec7a9ff4c01a9921b823baf8dcf4e64c /frontend/linux
parent514ed0d98e058596720f94af4af347b609980de9 (diff)
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add support for 24bpp mode
Diffstat (limited to 'frontend/linux')
-rw-r--r--frontend/linux/fbdev.c22
-rw-r--r--frontend/linux/fbdev.h6
2 files changed, 12 insertions, 16 deletions
diff --git a/frontend/linux/fbdev.c b/frontend/linux/fbdev.c
index 6ae0c77..fffe979 100644
--- a/frontend/linux/fbdev.c
+++ b/frontend/linux/fbdev.c
@@ -19,8 +19,6 @@
#include "fbdev.h"
-#define FBDEV_MAX_BUFFERS 3
-
struct vout_fbdev {
int fd;
void *mem;
@@ -60,8 +58,8 @@ void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev)
ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &arg);
}
-int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h,
- int left_border, int right_border, int top_border, int bottom_border, int no_dblbuf)
+int 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 w_total = left_border + w + right_border;
int h_total = top_border + h + bottom_border;
@@ -71,7 +69,7 @@ int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h,
// unblank to be sure the mode is really accepted
ioctl(fbdev->fd, FBIOBLANK, FB_BLANK_UNBLANK);
- if (fbdev->fbvar_new.bits_per_pixel != 16 ||
+ if (fbdev->fbvar_new.bits_per_pixel != bpp ||
w != fbdev->fbvar_new.xres ||
h != fbdev->fbvar_new.yres ||
w_total != fbdev->fbvar_new.xres_virtual ||
@@ -82,8 +80,8 @@ int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h,
fbdev->fbvar_new.xres_virtual = w_total;
fbdev->fbvar_new.yres_virtual = h_total;
fbdev->fbvar_new.xoffset = left_border;
- fbdev->fbvar_new.bits_per_pixel = 16;
- printf(" switching to %dx%d@16\n", w, h);
+ fbdev->fbvar_new.bits_per_pixel = bpp;
+ printf(" switching to %dx%d@%d\n", w, h, bpp);
ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new);
if (ret == -1) {
perror("FBIOPUT_VSCREENINFO ioctl");
@@ -91,9 +89,7 @@ int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h,
}
}
- fbdev->buffer_count = FBDEV_MAX_BUFFERS; // be optimistic
- if (no_dblbuf)
- fbdev->buffer_count = 1;
+ fbdev->buffer_count = buffer_cnt;
if (fbdev->fbvar_new.yres_virtual < h_total * fbdev->buffer_count) {
fbdev->fbvar_new.yres_virtual = h_total * fbdev->buffer_count;
@@ -105,7 +101,7 @@ int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h,
}
}
- fbdev->fb_size = w_total * h_total * 2;
+ fbdev->fb_size = w_total * h_total * bpp / 8;
fbdev->top_border = top_border;
fbdev->bottom_border = bottom_border;
@@ -157,7 +153,7 @@ int vout_fbdev_get_fd(struct vout_fbdev *fbdev)
return fbdev->fd;
}
-struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int no_dblbuf)
+struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int bpp, int buffer_cnt)
{
struct vout_fbdev *fbdev;
int req_w, req_h;
@@ -189,7 +185,7 @@ struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int n
if (*h != 0)
req_h = *h;
- ret = vout_fbdev_resize(fbdev, req_w, req_h, 0, 0, 0, 0, no_dblbuf);
+ ret = vout_fbdev_resize(fbdev, req_w, req_h, bpp, 0, 0, 0, 0, buffer_cnt);
if (ret != 0)
goto fail;
diff --git a/frontend/linux/fbdev.h b/frontend/linux/fbdev.h
index fa163aa..ddbfdab 100644
--- a/frontend/linux/fbdev.h
+++ b/frontend/linux/fbdev.h
@@ -1,11 +1,11 @@
struct vout_fbdev;
-struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int no_dblbuf);
+struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int bpp, int buffer_count);
void *vout_fbdev_flip(struct vout_fbdev *fbdev);
void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev);
-int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h,
+int 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 no_dblbuf);
+ int buffer_count);
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);