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/* Copyright 2016 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.
*/
#include <sys/time.h>
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/fl_draw.H>
#include <rdr/Exception.h>
#include <rfb/util.h>
#include "../vncviewer/PlatformPixelBuffer.h"
#include "../vncviewer/FLTKPixelBuffer.h"
#if defined(WIN32)
#include "../vncviewer/Win32PixelBuffer.h"
#elif defined(__APPLE__)
#include "../vncviewer/OSXPixelBuffer.h"
#else
#include "../vncviewer/X11PixelBuffer.h"
#endif
#include "util.h"
class TestWindow: public Fl_Window {
public:
TestWindow();
~TestWindow();
virtual void draw();
protected:
virtual void flush();
void update();
virtual void changefb();
static void timer(void* data);
public:
unsigned long long pixels, frames;
double time;
protected:
PlatformPixelBuffer* fb;
};
class PartialTestWindow: public TestWindow {
protected:
virtual void changefb();
};
TestWindow::TestWindow() :
Fl_Window(1024, 768, "Framebuffer Performance Test")
{
rdr::U32 pixel;
pixels = 0;
frames = 0;
time = 0;
try {
#if defined(WIN32)
fb = new Win32PixelBuffer(w(), h());
#elif defined(__APPLE__)
fb = new OSXPixelBuffer(w(), h());
#else
fb = new X11PixelBuffer(w(), h());
#endif
} catch (rdr::Exception& e) {
fb = new FLTKPixelBuffer(w(), h());
}
pixel = 0;
fb->fillRect(fb->getRect(), &pixel);
}
TestWindow::~TestWindow()
{
delete fb;
Fl::remove_idle(timer, this);
}
void TestWindow::draw()
{
int X, Y, W, H;
// We cannot update the damage region from inside the draw function,
// so delegate this to an idle function
Fl::add_idle(timer, this);
// Check what actually needs updating
fl_clip_box(0, 0, w(), h(), X, Y, W, H);
if ((W == 0) || (H == 0))
return;
fb->draw(X, Y, X, Y, W, H);
pixels += W*H;
frames++;
}
void TestWindow::flush()
{
startTimeCounter();
Fl_Window::flush();
#if !defined(WIN32) && !defined(__APPLE__)
// Make sure we measure any work we queue up
XSync(fl_display, False);
#endif
endTimeCounter();
time += getTimeCounter();
}
void TestWindow::update()
{
rfb::Rect r;
startTimeCounter();
changefb();
r = fb->getDamage();
damage(FL_DAMAGE_USER1, r.tl.x, r.tl.y, r.width(), r.height());
#if !defined(WIN32) && !defined(__APPLE__)
// Make sure we measure any work we queue up
XSync(fl_display, False);
#endif
endTimeCounter();
time += getTimeCounter();
}
void TestWindow::changefb()
{
rdr::U32 pixel;
pixel = rand();
fb->fillRect(fb->getRect(), &pixel);
}
void TestWindow::timer(void* data)
{
TestWindow* self;
Fl::remove_idle(timer, data);
self = (TestWindow*)data;
self->update();
}
void PartialTestWindow::changefb()
{
rfb::Rect r;
rdr::U32 pixel;
r = fb->getRect();
r.tl.x += w() / 4;
r.tl.y += h() / 4;
r.br.x -= w() / 4;
r.br.y -= h() / 4;
pixel = rand();
fb->fillRect(r, &pixel);
}
static void dotest(TestWindow* win)
{
struct timeval start;
char s[1024];
win->show();
gettimeofday(&start, NULL);
while (rfb::msSince(&start) < 10000)
Fl::wait();
fprintf(stderr, "Rendering time: %g ms/frame\n",
win->time * 1000.0 / win->frames);
rfb::siPrefix(win->pixels / win->time,
"pixels/s", s, sizeof(s));
fprintf(stderr, "Rendering rate: %s\n", s);
}
int main(int argc, char** argv)
{
TestWindow* win;
fprintf(stderr, "Full window update:\n\n");
win = new TestWindow();
dotest(win);
delete win;
fprintf(stderr, "\n");
fprintf(stderr, "Partial window update:\n\n");
win = new PartialTestWindow();
dotest(win);
delete win;
fprintf(stderr, "\n");
return 0;
}
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