mvietri/union-minui
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tidy

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trying (and failing) to figure out double buffered flickering...
This commit is contained in:
Shaun Inman 2023-02-10 00:07:27 -05:00
parent 01358f3b33
commit ab7da437c6
3 changed files with 10 additions and 30 deletions
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13
src/common/api.c
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@ -177,11 +177,9 @@ SDL_Surface* GFX_init(int mode) {
gfx.vinfo.yres_virtual = SCREEN_HEIGHT * GFX_BUFFER_COUNT;
gfx.vinfo.xoffset = 0;
gfx.vinfo.yoffset = 0;
gfx.vinfo.activate = FB_ACTIVATE_VBL;
// gfx.vinfo.activate = FB_ACTIVATE_VBL;
if (ioctl(gfx.fb, FBIOPUT_VSCREENINFO, &gfx.vinfo)) {
printf("FBIOPUT_VSCREENINFO failed: %s (%i)\n", strerror(errno), errno);
}
ioctl(gfx.fb, FBIOPUT_VSCREENINFO, &gfx.vinfo);
// get fixed screen info
ioctl(gfx.fb, FBIOGET_FSCREENINFO, &gfx.finfo);
@ -191,12 +189,10 @@ SDL_Surface* GFX_init(int mode) {
struct owlfb_sync_info sinfo;
sinfo.enabled = 1;
if (ioctl(gfx.fb, OWLFB_VSYNC_EVENT_EN, &sinfo)) {
printf("OWLFB_VSYNC_EVENT_EN failed: %s (%i)\n", strerror(errno), errno);
}
ioctl(gfx.fb, OWLFB_VSYNC_EVENT_EN, &sinfo);
// buffer tracking
gfx.buffer = 1;
gfx.buffer = 1; // start on back buffer
gfx.buffer_size = SCREEN_PITCH * SCREEN_HEIGHT;
// return screen
@ -285,6 +281,7 @@ void GFX_flip(SDL_Surface* screen) {
if (gfx.buffer>=GFX_BUFFER_COUNT) gfx.buffer -= GFX_BUFFER_COUNT;
screen->pixels = gfx.map + (gfx.buffer * gfx.buffer_size);
// TODO: this doesn't make sense here but it's the only way to reduce flickering when changing volume/brightness...
if (gfx.vsync!=VSYNC_OFF) {
// this limiting condition helps SuperFX chip games
#define FRAME_BUDGET 17 // 60fps

2
src/minarch/main.c
View file

@ -3208,8 +3208,8 @@ static int Menu_options(MenuList* list) {
return 0;
}
static void Menu_loop(void) {
GFX_setVsync(VSYNC_STRICT);
POW_setCPUSpeed(CPU_SPEED_MENU); // set Hz directly
GFX_setVsync(VSYNC_STRICT);
fast_forward = 0;
POW_enableAutosleep();

23
src/minui/main.c
View file

@ -16,10 +16,6 @@
///////////////////////////////////////
#define dump(msg) puts((msg));fflush(stdout);
///////////////////////////////////////
typedef struct Array {
int count;
int capacity;
@ -1168,7 +1164,7 @@ static void Menu_quit(void) {
int main (int argc, char *argv[]) {
if (autoResume()) return 0; // nothing to do
dump("MinUI");
LOG_info("MinUI\n");
SDL_Surface* screen = GFX_init(MODE_MAIN);
InitSettings();
@ -1180,6 +1176,7 @@ int main (int argc, char *argv[]) {
// now that (most of) the heavy lifting is done, take a load off
POW_setCPUSpeed(CPU_SPEED_MENU);
GFX_setVsync(VSYNC_STRICT);
PAD_reset();
int dirty = 1;
@ -1386,25 +1383,11 @@ int main (int argc, char *argv[]) {
GFX_blitButtonGroup((char*[]){ "A","OPEN", NULL }, screen, 1);
}
}
}
// scroll long names
if (total>0) {
int selected_row = top->selected - top->start;
Entry* entry = top->entries->items[top->selected];
// if (GFX_scrollMenu(screen, entry->name, entry->path, entry->unique, selected_row, top->selected, was_dirty, dirty)) dirty = 1;
}
if (dirty) {
GFX_flip(screen);
dirty = 0;
}
else {
// slow down to 60fps
unsigned long frame_duration = SDL_GetTicks() - frame_start;
#define TARGET_FRAME_DURATION 17
if (frame_duration<TARGET_FRAME_DURATION) SDL_Delay(TARGET_FRAME_DURATION-frame_duration);
}
else GFX_sync();
}
if (version) SDL_FreeSurface(version);