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fix fading

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This commit is contained in:
TangoCash
2021-04-23 16:49:40 +02:00
committed by Thilo Graf
parent 9a26168454
commit 3a1d3f16a0
3 changed files with 24 additions and 2 deletions
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20
src/driver/fb_accel_arm.cpp
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@@ -316,6 +316,26 @@ void CFbAccelARM::setOsdResolutions()
}
}
/* original interface: 1 == pixel alpha, 2 == global alpha premultiplied */
void CFbAccelARM::setBlendMode(uint8_t mode)
{
/* mode = 1 => reset to no extra transparency */
if (mode == 1)
setBlendLevel(0);
}
/* level = 100 -> transparent, level = 0 -> nontransparent */
void CFbAccelARM::setBlendLevel(int level)
{
char tmp[3]={0x0};
int _level = 0xff - ( level * 0xff / 100);
sprintf(tmp,"%d", _level);
int pfd = open("/proc/stb/video/alpha", O_WRONLY);
if (pfd)
write(pfd, tmp, sizeof(tmp));
close(pfd);
}
int CFbAccelARM::setMode(unsigned int nxRes, unsigned int nyRes, unsigned int nbpp)
{
if (!available&&!active)