diff options
| -rw-r--r-- | firmware/target/hosted/android/lcd-android.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/firmware/target/hosted/android/lcd-android.c b/firmware/target/hosted/android/lcd-android.c index 2bc6d04..92e8f5b 100644 --- a/firmware/target/hosted/android/lcd-android.c +++ b/firmware/target/hosted/android/lcd-android.c @@ -39,11 +39,13 @@ static bool display_on; static int dpi; static int scroll_threshold; static struct wakeup lcd_wakeup; +static struct mutex lcd_mtx; void lcd_init_device(void) { JNIEnv e = *env_ptr; wakeup_init(&lcd_wakeup); + mutex_init(&lcd_mtx); RockboxFramebuffer_class = e->FindClass(env_ptr, "org/rockbox/RockboxFramebuffer"); /* instantiate a RockboxFramebuffer instance @@ -114,8 +116,10 @@ void lcd_update(void) /* tell the system we're ready for drawing */ if (display_on) { + mutex_lock(&lcd_mtx); (*env_ptr)->CallVoidMethod(env_ptr, RockboxFramebuffer_instance, postInvalidate1); wakeup_wait(&lcd_wakeup, TIMEOUT_BLOCK); + mutex_unlock(&lcd_mtx); } } @@ -123,9 +127,11 @@ void lcd_update_rect(int x, int y, int width, int height) { if (display_on) { + mutex_lock(&lcd_mtx); (*env_ptr)->CallVoidMethod(env_ptr, RockboxFramebuffer_instance, postInvalidate2, (jint)x, (jint)y, (jint)x+width, (jint)y+height); wakeup_wait(&lcd_wakeup, TIMEOUT_BLOCK); + mutex_unlock(&lcd_mtx); } } |