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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <rfb/PixelFormat.h>
#include <rfb/PixelTransformer.h>
#include "util.h"
static const int tile = 64;
static const int fbsize = 4096;
static rdr::U8 *fb1, *fb2;
static rfb::PixelTransformer *pt = NULL;
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 testPixelTransformer(rfb::PixelFormat &dstpf,
rfb::PixelFormat &srcpf,
rdr::U8 *dst, rdr::U8 *src)
{
pt->translateRect(src, fbsize, rfb::Rect(0, 0, tile, tile),
dst, fbsize, rfb::Point(0, 0));
}
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)
{
if (!srcpf.isLittleEndian() && (fn == testPixelTransformer)) {
printf("NaN");
return;
}
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},
{"PixelTransformer", testPixelTransformer},
{"bufferFromBuffer", testBuffer},
{"rgbFromBuffer", testToRGB},
{"bufferFromRGB", testFromRGB},
};
static void doTests(rfb::PixelFormat &dstpf, rfb::PixelFormat &srcpf)
{
int i;
char dstb[256], srcb[256];
dstpf.print(dstb, sizeof(dstb));
srcpf.print(srcb, sizeof(srcb));
if (srcpf.isLittleEndian()) {
delete pt;
pt = new rfb::PixelTransformer;
pt->init(srcpf, dstpf);
}
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)
{
int bufsize;
time_t t;
char datebuffer[256];
int i;
bufsize = fbsize * fbsize * 4;
fb1 = new rdr::U8[bufsize];
fb2 = new rdr::U8[bufsize];
for (int 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 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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