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