minifb-zig-port/tests/noise.c
Carlos Aragonés 35b8439b26
Add timers and ability to set a target fps for the application (#36)
* working on windows

* minor fix

* working on macosx

* Oops! I reversed resolution and frequency on macos

* working on X11

* working on wayland

* update the readme

* format the readme

Co-authored-by: Carlos Aragones <>
2020-04-22 13:00:15 +02:00

45 lines
1.1 KiB
C

#include <MiniFB.h>
#include <stdio.h>
#include <stdint.h>
#define WIDTH 800
#define HEIGHT 600
static unsigned int g_buffer[WIDTH * HEIGHT];
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int
main()
{
int noise, carry, seed = 0xbeef;
struct mfb_window *window = mfb_open_ex("Noise Test", WIDTH, HEIGHT, WF_RESIZABLE);
if (!window)
return 0;
do {
int i;
mfb_update_state state;
for (i = 0; i < WIDTH * HEIGHT; ++i) {
noise = seed;
noise >>= 3;
noise ^= seed;
carry = noise & 1;
noise >>= 1;
seed >>= 1;
seed |= (carry << 30);
noise &= 0xFF;
g_buffer[i] = MFB_RGB(noise, noise, noise);
}
state = mfb_update(window, g_buffer);
if (state != STATE_OK) {
window = 0x0;
break;
}
} while(mfb_wait_sync(window));
return 0;
}