genode/repos/os/src/test/framebuffer/main.cc
Norman Feske ca971bbfd8 Move repositories to 'repos/' subdirectory
This patch changes the top-level directory layout as a preparatory
step for improving the tools for managing 3rd-party source codes.
The rationale is described in the issue referenced below.

Issue #1082
2014-05-14 16:08:00 +02:00

114 lines
2.7 KiB
C++

/*
* \brief Basic test for framebuffer session
* \author Martin Stein
* \author Christian Helmuth
* \date 2012-01-09
*/
/*
* Copyright (C) 2012-2014 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <framebuffer_session/connection.h>
#include <dataspace/client.h>
#include <base/printf.h>
#include <base/env.h>
#include <timer_session/connection.h>
class Test_environment
{
private:
Timer::Connection _timer;
Framebuffer::Connection _fb;
Framebuffer::Mode const _mode{_fb.mode()};
Genode::Dataspace_capability const _ds_cap{_fb.dataspace()};
void * const _base{Genode::env()->rm_session()->attach(_ds_cap)};
public:
Test_environment()
{
PINF("framebuffer is %dx%d@%d",
_mode.width(), _mode.height(), _mode.format());
if (_mode.bytes_per_pixel() != 2) {
PERR("pixel format not supported");
throw -1;
}
}
void complete_step()
{
_fb.refresh(0, 0, _mode.width(), _mode.height());
_timer.msleep(2000);
}
Framebuffer::Mode fb_mode() const { return _mode; }
unsigned fb_bpp() const { return _mode.bytes_per_pixel(); }
Genode::addr_t fb_base() const { return (Genode::addr_t) _base; }
Genode::size_t fb_size() const { return _mode.width()
* _mode.height()
* _mode.bytes_per_pixel(); }
};
int main()
{
using namespace Genode;
printf("--- Test framebuffer ---\n");
static Test_environment te;
addr_t const stripe_width = te.fb_mode().width() / 4;
while (1) {
enum {
BLACK = 0x0,
BLUE = 0x1f,
GREEN = 0x7e0,
RED = 0xf800,
WHITE = 0xffff,
};
PINF("black & white stripes");
addr_t stripe_o = 0;
bool stripe = 0;
for (addr_t o = 0; o < te.fb_size(); o += te.fb_bpp()) {
stripe_o++;
if (stripe_o == stripe_width) {
stripe_o = 0;
stripe = !stripe;
}
*(uint16_t volatile *)(te.fb_base() + o) = stripe ? BLACK : WHITE;
}
te.complete_step();
PINF("blue");
for (addr_t o = 0; o < te.fb_size(); o += te.fb_bpp())
*(uint16_t volatile *)(te.fb_base() + o) = BLUE;
te.complete_step();
PINF("green");
for (addr_t o = 0; o < te.fb_size(); o += te.fb_bpp())
*(uint16_t volatile *)(te.fb_base() + o) = GREEN;
te.complete_step();
PINF("red");
for (addr_t o = 0; o < te.fb_size(); o += te.fb_bpp())
*(uint16_t volatile *)(te.fb_base() + o) = RED;
te.complete_step();
PINF("all colors mixed");
unsigned i = 0;
for (addr_t o = 0; o < te.fb_size(); o += te.fb_bpp(), i++)
*(uint16_t volatile *)(te.fb_base() + o) = i;
te.complete_step();
}
}