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> compile NEMU

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221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 13:07:18 up 7 days, 13:07,  1 user,  load average: 0.28, 0.15, 0.06
This commit is contained in:
tracer-ics2023
2024-09-25 13:07:18 +08:00
committed by zzy
parent cacd7c226d
commit dbc4493f6b
1 changed files with 32 additions and 21 deletions
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53
navy-apps/libs/libndl/NDL.c
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@ -26,6 +26,31 @@ int NDL_PollEvent(char *buf, int len) {
return ret;
}
static void _get_screen(int *w, int *h) {
static int dev_w = -1, dev_h = -1, num = -1;
FILE* fp = fopen("/proc/dispinfo", "r");
if (fp == NULL) {
printf("cannot open /proc/dispinfo");
exit(-1);
}
char buf[64], name[32];
const char* pos = buf;
fread(buf, 1, sizeof(buf), fp);
int life = 2;
// FIXME this have a bug to phase the ` [KEY] : [VALUE] `
while (sscanf(pos, "%s : %d\n", name, &num) == 2 && life--) {
pos = strchr(pos, '\n');
if (pos == NULL) break;
if (strcmp(name, "WIDTH") == 0) { dev_w = num; }
if (strcmp(name, "HEIGHT") == 0) { dev_h = num; }
}
*w = dev_w;
*h = dev_h;
fclose(fp);
}
void NDL_OpenCanvas(int *w, int *h) {
// if (getenv("NWM_APP")) {
// int fbctl = 4;
@ -45,27 +70,8 @@ void NDL_OpenCanvas(int *w, int *h) {
// close(fbctl);
// }
FILE* fp = fopen("/proc/dispinfo", "r");
if (fp == NULL) {
printf("cannot open /proc/dispinfo");
exit(-1);
}
int dev_w, dev_h, num;
char buf[64], name[32];
const char* pos = buf;
fread(buf, 1, sizeof(buf), fp);
int life = 2;
while (sscanf(pos, "%s : %d\n", name, &num) == 2 && life--) {
printf("log:%s,%d\n", name, num);
pos = strchr(pos, '\n');
if (pos == NULL) break;
if (strcmp(name, "WIDTH") == 0) { dev_w = num; }
if (strcmp(name, "HEIGHT") == 0) { dev_h = num; }
}
fclose(fp);
printf("w %d, h %d\n", dev_w, dev_h);
int dev_w, dev_h;
_get_screen(&dev_w, &dev_h);
screen_w = (*w == 0 || *w > dev_w) ? dev_w : *w;
screen_h = (*h == 0 || *h > dev_h) ? dev_h : *h;
}
@ -76,6 +82,11 @@ void NDL_DrawRect(uint32_t *pixels, int x, int y, int w, int h) {
printf("cannot open /dev/fb");
exit(-1);
}
int dev_w, dev_h;
_get_screen(&dev_w, &dev_h);
x += (dev_w - x) / 2;
y += (dev_h - y) / 2;
for (int i = 0; i < h; i ++) {
fwrite(pixels + (screen_w * (y + i)) + x, sizeof(uint32_t), w, fp);
}