commit
056d419a10
@ -276,6 +276,10 @@ if(MINIFB_BUILD_EXAMPLES)
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tests/multiple_windows.c
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tests/multiple_windows.c
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)
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)
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add_executable(hidpi
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tests/hidpi.c
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)
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else()
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else()
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add_executable(noise
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add_executable(noise
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48
tests/hidpi.c
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48
tests/hidpi.c
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@ -0,0 +1,48 @@
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#include <MiniFB.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <string.h>
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#define DIMEN_LOW 512
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static unsigned int g_buffer_low[DIMEN_LOW * DIMEN_LOW];
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#define DIMEN_HIGH (2*DIMEN_LOW)
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static unsigned int g_buffer_high[DIMEN_HIGH * DIMEN_HIGH];
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void
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pretty_square(unsigned int *p, int dimen)
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{
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memset(p, 127, dimen*dimen*4);
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const int one_half_dimen = dimen / 2;
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const int one_quarter_dimen = one_half_dimen / 2;
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const int three_quarter_dimen = one_half_dimen + one_quarter_dimen;
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for (int x = one_quarter_dimen; x < three_quarter_dimen; x++)
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for (int y = one_quarter_dimen; y < three_quarter_dimen; y++)
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p[y*dimen + x] = (x & 1) ? MFB_RGB(223,0,(255*(x-one_quarter_dimen))/one_half_dimen) : MFB_RGB(0,0,0);
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}
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int
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main()
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{
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pretty_square(g_buffer_low, DIMEN_LOW);
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pretty_square(g_buffer_high, DIMEN_HIGH);
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struct mfb_window *window_low = mfb_open("LowRes", DIMEN_LOW, DIMEN_LOW);
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struct mfb_window *window_high = mfb_open("HighRes", DIMEN_HIGH/2, DIMEN_HIGH/2);
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while (window_high || window_low)
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{
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if (window_low)
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if (mfb_update_ex(window_low, g_buffer_low, DIMEN_LOW, DIMEN_LOW) != STATE_OK
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|| !mfb_wait_sync(window_low))
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window_low = NULL;
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if (window_high)
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if (mfb_update_ex(window_high, g_buffer_high, DIMEN_HIGH, DIMEN_HIGH) != STATE_OK
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|| !mfb_wait_sync(window_high))
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window_high = NULL;
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}
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return 0;
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}
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