109 lines
3.9 KiB
C
109 lines
3.9 KiB
C
/*
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* Copyright (c) 2012 - 2021, Joel Bodenmann aka Tectu <joel@ugfx.io>
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* Copyright (c) 2012 - 2021, Andrew Hannam aka inmarket <inmarket@ugfx.io>
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the <organization> nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "stdlib.h"
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#include "string.h"
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#include "gfx.h"
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#define RESULT_STR_LENGTH 32
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void benchmark(void)
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{
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gCoord height, width, rx, ry, rcx, rcy;
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gColor random_color;
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gCoord fontHeight;
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gFont font;
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// Prepare resources
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width = gdispGetWidth();
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height = gdispGetHeight();
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font = gdispOpenFont("*");
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fontHeight = gdispGetFontMetric(font, gFontHeight);
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// Show intro message
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gdispDrawStringBox(0, 0, width, 30, "uGFX - Benchmark", font, GFX_WHITE, gJustifyCenter);
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gdispDrawStringBox(0, height/2, width, 30, "5000 random rectangles", font, GFX_WHITE, gJustifyCenter);
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gfxSleepMilliseconds(3000);
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// Seed RNG
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srand(0);
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// Render rectangles and count ticks & pixels
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gU64 pixels = 0;
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const gTicks ticksStart = gfxSystemTicks();
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for (gU32 i = 0; i < 5000; i++) {
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random_color = (rand() % 65535);
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rx = (rand() % (width-10));
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ry = (rand() % (height-10));
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rcx = (rand() % ((width-rx)-10))+10;
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rcy = (rand() % ((height-ry)-10))+10;
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gdispFillArea(rx, ry, rcx, rcy, random_color);
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pixels += (rcx+1)*(rcy+1);
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}
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const gTicks ticksEnd = gfxSystemTicks();
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// Calculate result
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char str_ticks[RESULT_STR_LENGTH];
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char str_seconds[RESULT_STR_LENGTH];
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char str_pps[RESULT_STR_LENGTH];
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{
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// Figure out how many ticks are 1 second
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const gTicks ticksPerSecond = gfxMillisecondsToTicks(1000);
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const gTicks ticksElapsed = ticksEnd - ticksStart;
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const float secondsElapsed = (float)ticksElapsed / (float)ticksPerSecond;
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gU32 pps = (float)pixels / secondsElapsed;
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// Produce strings
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memset(str_ticks, 0, RESULT_STR_LENGTH);
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memset(str_seconds, 0, RESULT_STR_LENGTH);
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memset(str_pps, 0, RESULT_STR_LENGTH);
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snprintg(str_ticks, RESULT_STR_LENGTH, "%d ticks", ticksElapsed);
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snprintg(str_pps, RESULT_STR_LENGTH, "%d pixels/s", pps);
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}
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// Show result
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gdispClear(GFX_BLACK);
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gdispDrawStringBox(0, 0, width, 30, "uGFX - Benchmark", font, GFX_WHITE, gJustifyCenter);
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gdispDrawStringBox(0, height/2+0*(fontHeight+10), width, 30, str_ticks, font, GFX_WHITE, gJustifyCenter);
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gdispDrawStringBox(0, height/2+1*(fontHeight+10), width, 30, str_pps, font, GFX_WHITE, gJustifyCenter);
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}
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int main(void) {
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gfxInit();
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benchmark();
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while (gTrue)
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gfxSleepMilliseconds(500);
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return 0;
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}
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