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perf: optimize graphics rendering and implement caching

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boreddevnl
2026-05-09 17:27:39 +02:00
parent eb05d62891
commit ff9be87c5d
2 changed files with 104 additions and 29 deletions
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67
src/userland/gui/settings.c
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@@ -415,25 +415,52 @@ static void decode_wallpapers_task(void *arg) {
wp->name[(nl-4 < 63) ? nl-4 : 63] = 0;
// Load and generate thumbnail
int fd = sys_open(wp->path, "r");
if (fd >= 0) {
int size = sys_seek(fd, 0, 2); // SEEK_END
sys_seek(fd, 0, 0); // SEEK_SET
if (size > 0 && size < 8 * 1024 * 1024) {
unsigned char *buf = (unsigned char *)malloc(size);
if (buf) {
sys_read(fd, buf, size);
int img_w, img_h, channels;
unsigned char *img = stbi_load_from_memory(buf, size, &img_w, &img_h, &channels, 4);
if (img && img_w > 0 && img_h > 0) {
scale_rgba_to_argb(img, img_w, img_h, wp->thumb, WALLPAPER_THUMB_W, WALLPAPER_THUMB_H);
wp->valid = 1;
stbi_image_free(img);
char cache_path[256];
int cp = 0;
char *cpref = "/Library/Caches/Thumbnails/";
while (cpref[cp]) { cache_path[cp] = cpref[cp]; cp++; }
int cn = 0;
while (info[i].name[cn]) { cache_path[cp+cn] = info[i].name[cn]; cn++; }
char *csuf = ".bin";
int cs = 0;
while (csuf[cs]) { cache_path[cp+cn+cs] = csuf[cs]; cs++; }
cache_path[cp+cn+cs] = 0;
int cfd = sys_open(cache_path, "r");
if (cfd >= 0) {
sys_read(cfd, wp->thumb, WALLPAPER_THUMB_W * WALLPAPER_THUMB_H * 4);
sys_close(cfd);
wp->valid = 1;
} else {
int fd = sys_open(wp->path, "r");
if (fd >= 0) {
int size = sys_seek(fd, 0, 2); // SEEK_END
sys_seek(fd, 0, 0); // SEEK_SET
if (size > 0 && size < 8 * 1024 * 1024) {
unsigned char *buf = (unsigned char *)malloc(size);
if (buf) {
sys_read(fd, buf, size);
int img_w, img_h, channels;
unsigned char *img = stbi_load_from_memory(buf, size, &img_w, &img_h, &channels, 4);
if (img && img_w > 0 && img_h > 0) {
scale_rgba_to_argb(img, img_w, img_h, wp->thumb, WALLPAPER_THUMB_W, WALLPAPER_THUMB_H);
wp->valid = 1;
stbi_image_free(img);
// Save to cache
sys_mkdir("/Library/Caches");
sys_mkdir("/Library/Caches/Thumbnails");
int swfd = sys_open(cache_path, "w");
if (swfd >= 0) {
sys_write_fs(swfd, wp->thumb, WALLPAPER_THUMB_W * WALLPAPER_THUMB_H * 4);
sys_close(swfd);
}
}
free(buf);
}
free(buf); // Release memory
}
}
sys_close(fd);
}
sys_close(fd);
}
wallpaper_count++;
@@ -624,11 +651,7 @@ static void control_panel_paint_wallpaper(ui_window_t win) {
widget_button_draw(&settings_ctx, &btn_wp_thumbs[i]);
if (wallpapers[i].valid) {
for (int py = 0; py < WALLPAPER_THUMB_H; py++) {
for (int px = 0; px < WALLPAPER_THUMB_W; px++) {
ui_draw_rect(win, button_x + tx + 4 + px, button_y + ty + 4 + py, 1, 1, wallpapers[i].thumb[py * WALLPAPER_THUMB_W + px]);
}
}
ui_draw_image(win, button_x + tx + 4, button_y + ty + 4, WALLPAPER_THUMB_W, WALLPAPER_THUMB_H, wallpapers[i].thumb);
}
ui_draw_string(win, button_x + tx + 8, button_y + ty + WALLPAPER_THUMB_H + 8, wallpapers[i].name, 0xFFFFFFFF);
}