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simple fps/cpu display

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This commit is contained in:
Shaun Inman 2023-01-19 23:32:41 -05:00
parent af95e6b123
commit db8bb987c8
1 changed files with 86 additions and 14 deletions
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100
src/minarch/main.c
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@ -586,6 +586,68 @@ static bool environment_callback(unsigned cmd, void *data) { // copied from pico
///////////////////////////////
// TODO: tmp?
SDL_Surface* digits;
static void FPS_init(void) {
// TODO: scale
digits = SDL_CreateRGBSurface(SDL_SWSURFACE, 20*11,32, 16, 0,0,0,0);
SDL_FillRect(digits, NULL, RGB_BLACK);
SDL_Surface* digit;
char* chars[] = { "0","1","2","3","4","5","6","7","8","9",".", NULL };
char* c;
int i = 0;
#define DIGIT_WIDTH 20
#define DIGIT_HEIGHT 32
#define CHAR_DOT 10
while (c = chars[i]) {
digit = TTF_RenderUTF8_Blended(font.large, c, COLOR_WHITE);
SDL_BlitSurface(digit, NULL, digits, &(SDL_Rect){ (i * DIGIT_WIDTH) + (DIGIT_WIDTH - digit->w)/2, (DIGIT_HEIGHT - digit->h)/2});
SDL_FreeSurface(digit);
i += 1;
}
}
static void FPS_blitDouble(double num, int x, int y) {
int i = num;
int r = (num-i) * 10;
int n;
// if (i > 999) {
// n = i / 1000;
// i -= n * 1000;
// SDL_BlitSurface(digits, &(SDL_Rect){n*20,0,20,32}, screen, &(SDL_Rect){x,y});
// x += 20;
// }
// if (i > 99) {
// n = i / 100;
// i -= n * 100;
// SDL_BlitSurface(digits, &(SDL_Rect){n*20,0,20,32}, screen, &(SDL_Rect){x,y});
// x += 20;
// }
n = i / 10;
i -= n * 10;
SDL_BlitSurface(digits, &(SDL_Rect){n*20,0,20,32}, screen, &(SDL_Rect){x,y});
x += 20;
n = i;
SDL_BlitSurface(digits, &(SDL_Rect){n*20,0,20,32}, screen, &(SDL_Rect){x,y});
x += 20;
n = 10;
SDL_BlitSurface(digits, &(SDL_Rect){n*20,0,20,32}, screen, &(SDL_Rect){x,y});
x += 20;
n = r;
SDL_BlitSurface(digits, &(SDL_Rect){n*20,0,20,32}, screen, &(SDL_Rect){x,y});
}
static void FPS_quit(void) {
SDL_FreeSurface(digits);
}
///////////////////////////////
// from gambatte-dms
//from RGB565
#define cR(A) (((A) & 0xf800) >> 11)
@ -597,6 +659,8 @@ static bool environment_callback(unsigned cmd, void *data) { // copied from pico
static int cpu_ticks = 0;
static int fps_ticks = 0;
static double fps_double = 0;
static double cpu_double = 0;
static uint32_t sec_start = 0;
// TODO: flesh out
@ -1065,13 +1129,14 @@ static void selectScaler(int width, int height, int pitch) {
if (use_nearest)
scaler = scaleNN_text;
// scaler = scaleNN; // better for Tekken 3
else {
switch (scale) {
// eggs-optimized scalers
case 4: scaler = scale4x_n16; break;
case 3: scaler = scale3x_n16; break;
case 2: scaler = scale2x_n16; break;
default: scaler = scale1x; break;
default: scaler = scale1x_n16; break;
// my lesser scalers :sweat_smile:
// case 4: scaler = scale4x; break;
@ -1131,22 +1196,25 @@ static void video_refresh_callback(const void *data, unsigned width, unsigned he
if (frame>=fps) frame -= fps;
}
if (fps_double) FPS_blitDouble(fps_double, 0,0);
if (cpu_double) FPS_blitDouble(cpu_double, 100,0);
GFX_flip(screen);
return; // TODO: tmp
// measure framerate
static int ticks = 0;
static uint32_t start = -1;
ticks += 1;
uint32_t now = SDL_GetTicks();
if (start==-1) start = now;
if (now-start>=1000) {
start = now;
printf("fps: %i\n", ticks);
fflush(stdout);
ticks = 0;
}
// static int ticks = 0;
// static uint32_t start = -1;
// ticks += 1;
// uint32_t now = SDL_GetTicks();
// if (start==-1) start = now;
// if (now-start>=1000) {
// start = now;
// printf("fps: %i\n", ticks);
// fflush(stdout);
// ticks = 0;
// }
}
static void audio_sample_callback(int16_t left, int16_t right) {
@ -1802,6 +1870,7 @@ int main(int argc , char* argv[]) {
// LOG_info("tag_name: %s\n", tag_name);
screen = GFX_init(MODE_MENU);
FPS_init();
InitSettings();
Core_open(core_path, tag_name); // LOG_info("after Core_open\n");
@ -1824,11 +1893,13 @@ int main(int argc , char* argv[]) {
if (show_menu) Menu_loop();
if (0) {
if (1) {
cpu_ticks += 1;
uint32_t now = SDL_GetTicks();
if (now - sec_start>=1000) {
printf("fps: %i (%i)\n", cpu_ticks, fps_ticks);
fps_double = fps_ticks / ((double)(now - sec_start) / 1000);
cpu_double = cpu_ticks / ((double)(now - sec_start) / 1000);
// printf("fps: %i (%i)\n", cpu_ticks, fps_ticks);
sec_start = now;
cpu_ticks = 0;
fps_ticks = 0;
@ -1845,6 +1916,7 @@ int main(int argc , char* argv[]) {
Core_close(); // LOG_info("after Core_close\n");
SDL_FreeSurface(screen);
FPS_quit();
GFX_quit();
return EXIT_SUCCESS;