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- /* Copyright 2013-2014 Pierre Ossman <ossman@cendio.se> for Cendio AB
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <time.h>
-
- #include <rfb/PixelFormat.h>
-
- #include "util.h"
-
- static const int tile = 64;
- static const int fbsize = 4096;
-
- static rdr::U8 *fb1, *fb2;
-
- typedef void (*testfn) (rfb::PixelFormat&, rfb::PixelFormat&, rdr::U8*, rdr::U8*);
-
- struct TestEntry {
- const char *label;
- testfn fn;
- };
-
- static void testMemcpy(rfb::PixelFormat &dstpf,
- rfb::PixelFormat& /*srcpf*/,
- rdr::U8 *dst, rdr::U8 *src)
- {
- int h;
- h = tile;
- while (h--) {
- memcpy(dst, src, tile * dstpf.bpp/8);
- dst += fbsize * dstpf.bpp/8;
- src += fbsize * dstpf.bpp/8;
- }
- }
-
- static void testBuffer(rfb::PixelFormat &dstpf,
- rfb::PixelFormat &srcpf,
- rdr::U8 *dst, rdr::U8 *src)
- {
- dstpf.bufferFromBuffer(dst, srcpf, src, tile, tile, fbsize, fbsize);
- }
-
- static void testToRGB(rfb::PixelFormat& /*dstpf*/,
- rfb::PixelFormat &srcpf,
- rdr::U8 *dst, rdr::U8 *src)
- {
- srcpf.rgbFromBuffer(dst, src, tile, fbsize, tile);
- }
-
- static void testFromRGB(rfb::PixelFormat &dstpf,
- rfb::PixelFormat& /*srcpf*/,
- rdr::U8 *dst, rdr::U8 *src)
- {
- dstpf.bufferFromRGB(dst, src, tile, fbsize, tile);
- }
-
- static void doTest(testfn fn, rfb::PixelFormat &dstpf, rfb::PixelFormat &srcpf)
- {
- startCpuCounter();
-
- for (int i = 0;i < 10000;i++) {
- int x, y;
- rdr::U8 *dst, *src;
- x = rand() % (fbsize - tile);
- y = rand() % (fbsize - tile);
- dst = fb1 + (x + y * fbsize) * dstpf.bpp/8;
- src = fb2 + (x + y * fbsize) * srcpf.bpp/8;
- fn(dstpf, srcpf, dst, src);
- }
-
- endCpuCounter();
-
- float data, time;
-
- data = (double)tile * tile * 10000;
- time = getCpuCounter();
-
- printf("%g", data / (1000.0*1000.0) / time);
- }
-
- struct TestEntry tests[] = {
- {"memcpy", testMemcpy},
- {"bufferFromBuffer", testBuffer},
- {"rgbFromBuffer", testToRGB},
- {"bufferFromRGB", testFromRGB},
- };
-
- static void doTests(rfb::PixelFormat &dstpf, rfb::PixelFormat &srcpf)
- {
- size_t i;
- char dstb[256], srcb[256];
-
- dstpf.print(dstb, sizeof(dstb));
- srcpf.print(srcb, sizeof(srcb));
-
- printf("%s,%s", srcb, dstb);
-
- for (i = 0;i < sizeof(tests)/sizeof(tests[0]);i++) {
- printf(",");
- doTest(tests[i].fn, dstpf, srcpf);
- }
-
- printf("\n");
- }
-
- int main(int /*argc*/, char** /*argv*/)
- {
- size_t bufsize;
-
- time_t t;
- char datebuffer[256];
-
- size_t i;
-
- bufsize = fbsize * fbsize * 4;
-
- fb1 = new rdr::U8[bufsize];
- fb2 = new rdr::U8[bufsize];
-
- for (i = 0;i < bufsize;i++) {
- fb1[i] = rand();
- fb2[i] = rand();
- }
-
- time(&t);
- strftime(datebuffer, sizeof(datebuffer), "%Y-%m-%d %H:%M UTC", gmtime(&t));
-
- printf("# Pixel Conversion Performance Test %s\n", datebuffer);
- printf("#\n");
- printf("# Frame buffer: %dx%d pixels\n", fbsize, fbsize);
- printf("# Tile size: %dx%d pixels\n", tile, tile);
- printf("#\n");
- printf("# Note: Results are Mpixels/sec\n");
- printf("#\n");
-
- printf("Source format,Destination Format");
- for (i = 0;i < sizeof(tests)/sizeof(tests[0]);i++)
- printf(",%s", tests[i].label);
- printf("\n");
-
- rfb::PixelFormat dstpf, srcpf;
-
- /* rgb888 targets */
-
- printf("\n");
-
- dstpf.parse("rgb888");
-
- srcpf.parse("rgb888");
- doTests(dstpf, srcpf);
-
- srcpf.parse("bgr888");
- doTests(dstpf, srcpf);
-
- srcpf.parse("rgb565");
- doTests(dstpf, srcpf);
-
- srcpf.parse("rgb232");
- doTests(dstpf, srcpf);
-
- /* rgb565 targets */
-
- printf("\n");
-
- dstpf.parse("rgb565");
-
- srcpf.parse("rgb888");
- doTests(dstpf, srcpf);
-
- srcpf.parse("bgr565");
- doTests(dstpf, srcpf);
-
- srcpf.parse("rgb232");
- doTests(dstpf, srcpf);
-
- /* rgb232 targets */
-
- printf("\n");
-
- dstpf.parse("rgb232");
-
- srcpf.parse("rgb888");
- doTests(dstpf, srcpf);
-
- srcpf.parse("rgb565");
- doTests(dstpf, srcpf);
-
- srcpf.parse("bgr232");
- doTests(dstpf, srcpf);
-
- /* rgb565 with endian conversion (both ways) */
-
- printf("\n");
-
- dstpf = rfb::PixelFormat(32, 24, false, true, 255, 255, 255, 0, 8, 16);
- srcpf = rfb::PixelFormat(32, 24, true, true, 255, 255, 255, 0, 8, 16);
-
- doTests(srcpf, dstpf);
-
- doTests(dstpf, srcpf);
-
- dstpf = rfb::PixelFormat(16, 16, false, true, 31, 63, 31, 0, 5, 11);
- srcpf = rfb::PixelFormat(16, 16, true, true, 31, 63, 31, 0, 5, 11);
-
- doTests(srcpf, dstpf);
-
- doTests(dstpf, srcpf);
-
- return 0;
- }
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