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minui: graphics: add interface for framebuffer blank/unblank

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Change-Id: I5c3ee61cbf6fadae50f10b9f2e73caceaa5048a7
Signed-off-by: Dima Zavin <dima@android.com>
This commit is contained in:
Dima Zavin 2011-08-30 11:59:20 -07:00
parent 3c7f00ede6
commit 4daf48a10b
2 changed files with 13 additions and 0 deletions
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10
minui/graphics.c
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@ -14,6 +14,7 @@
* limitations under the License.
*/
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
@ -364,3 +365,12 @@ gr_pixel *gr_fb_data(void)
{
return (unsigned short *) gr_mem_surface.data;
}
void gr_fb_blank(bool blank)
{
int ret;
ret = ioctl(gr_fb_fd, FBIOBLANK, blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK);
if (ret < 0)
perror("ioctl(): blank");
}

3
minui/minui.h
View File

@ -17,6 +17,8 @@
#ifndef _MINUI_H_
#define _MINUI_H_
#include <stdbool.h>
typedef void* gr_surface;
typedef unsigned short gr_pixel;
@ -27,6 +29,7 @@ int gr_fb_width(void);
int gr_fb_height(void);
gr_pixel *gr_fb_data(void);
void gr_flip(void);
void gr_fb_blank(bool blank);
void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
void gr_fill(int x, int y, int w, int h);