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Pi Firmware: Optimise screen clearing when size changed 

Change-Id: Iac2f9e9836d72ef05fa81ce2daf084297d4d8c9a
pull/11/head
David Banks 2018-11-12 17:12:57 +00:00
rodzic b3915c0995
commit 639966d052
1 zmienionych plików z 3 dodań i 3 usunięć
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6
src/rgb_to_hdmi.c
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@ -985,7 +985,7 @@ void rgb_to_hdmi_main() {
int result;
int last_mode7;
int fb_size_changed;
int active_size_changed;
int active_size_decreased;
capture_info_t last_capinfo;
@ -1072,12 +1072,12 @@ void rgb_to_hdmi_main() {
memcpy(&last_capinfo, capinfo, sizeof last_capinfo);
cpld->get_fb_params(capinfo);
fb_size_changed = (capinfo->width != last_capinfo.width) || (capinfo->height != last_capinfo.height);
active_size_changed = (capinfo->chars_per_line != last_capinfo.chars_per_line) || (capinfo->nlines != last_capinfo.nlines);
active_size_decreased = (capinfo->chars_per_line < last_capinfo.chars_per_line) || (capinfo->nlines < last_capinfo.nlines);
last_mode7 = mode7;
mode7 = result & BIT_MODE7 & !m7disable;
if (active_size_changed) {
if (active_size_decreased) {
clear = BIT_CLEAR;
}