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os: add dynamic Framebuffer test

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Issue #1974.
This commit is contained in:
Stefan Kalkowski 2016-04-01 17:49:48 +02:00 committed by Christian Helmuth
parent 369ff2a001
commit 63e6dc05cd
1 changed files with 129 additions and 78 deletions
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207
repos/os/src/test/framebuffer/main.cc
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@ -2,6 +2,7 @@
* \brief Basic test for framebuffer session
* \author Martin Stein
* \author Christian Helmuth
* \author Stefan Kalkowski
* \date 2012-01-09
*/
@ -13,101 +14,151 @@
*/
/* Genode includes */
#include <framebuffer_session/connection.h>
#include <base/component.h>
#include <base/log.h>
#include <dataspace/client.h>
#include <base/printf.h>
#include <base/env.h>
#include <timer_session/connection.h>
#include <framebuffer_session/connection.h>
#include <os/attached_dataspace.h>
#include <util/volatile_object.h>
class Test_environment
{
private:
Timer::Connection _timer;
Framebuffer::Connection _fb;
Framebuffer::Mode const _mode{_fb.mode()};
using Ds = Genode::Lazy_volatile_object<Genode::Attached_dataspace>;
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 {
enum Color {
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;
enum State { STRIPES, ALL_BLUE, ALL_GREEN, ALL_RED, COLORED };
Framebuffer::Connection _fb;
Framebuffer::Mode _mode;
Ds _fb_ds;
Genode::Signal_handler<Test_environment> _mode_sigh;
Genode::Signal_handler<Test_environment> _sync_sigh;
unsigned long _sync_cnt = 0;
State _state = STRIPES;
enum { FRAME_CNT = 200 };
void _draw();
void _mode_handle();
void _sync_handle() {
if (_sync_cnt++ % FRAME_CNT == 0) _draw(); }
Genode::size_t _fb_bpp() { return _mode.bytes_per_pixel(); }
Genode::size_t _fb_size() { return _fb_ds->size(); }
Genode::addr_t _fb_base() {
return (Genode::addr_t) _fb_ds->local_addr<void>(); }
public:
Test_environment(Genode::Entrypoint &ep)
: _mode_sigh(ep, *this, &Test_environment::_mode_handle),
_sync_sigh(ep, *this, &Test_environment::_sync_handle)
{
_fb.mode_sigh(_mode_sigh);
_fb.sync_sigh(_sync_sigh);
_mode_handle();
}
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();
void Test_environment::_draw()
{
using namespace Genode;
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();
}
switch(_state) {
case STRIPES:
{
Genode::log("black & white stripes");
addr_t const stripe_width = _mode.width() / 4;
addr_t stripe_o = 0;
bool stripe = 0;
for (addr_t o = 0; o < _fb_size(); o += _fb_bpp()) {
stripe_o++;
if (stripe_o == stripe_width) {
stripe_o = 0;
stripe = !stripe;
}
*(uint16_t volatile *)(_fb_base() + o) = stripe ? BLACK : WHITE;
}
_state = ALL_BLUE;
break;
}
case ALL_BLUE:
{
Genode::log("blue");
for (addr_t o = 0; o < _fb_size(); o += _fb_bpp())
*(uint16_t volatile *)(_fb_base() + o) = BLUE;
_state = ALL_GREEN;
break;
}
case ALL_GREEN:
{
Genode::log("green");
for (addr_t o = 0; o < _fb_size(); o += _fb_bpp())
*(uint16_t volatile *)(_fb_base() + o) = GREEN;
_state = ALL_RED;
break;
}
case ALL_RED:
{
Genode::log("red");
for (addr_t o = 0; o < _fb_size(); o += _fb_bpp())
*(uint16_t volatile *)(_fb_base() + o) = RED;
_state = COLORED;
break;
}
case COLORED:
{
Genode::log("all colors mixed");
unsigned i = 0;
for (addr_t o = 0; o < _fb_size(); o += _fb_bpp(), i++)
*(uint16_t volatile *)(_fb_base() + o) = i;
_state = STRIPES;
}
};
_fb.refresh(0, 0, _mode.width(), _mode.height());
}
void Test_environment::_mode_handle()
{
_mode = _fb.mode();
if (_fb_ds.is_constructed())
_fb_ds.destruct();
_fb_ds.construct(_fb.dataspace());
Genode::log("framebuffer is ", _mode.width(), "x", _mode.height(),
"@", (int)_mode.format());
if (_mode.bytes_per_pixel() != 2) {
Genode::error("pixel format not supported");
throw -1;
}
_draw();
}
void Component::construct(Genode::Env &env)
{
using namespace Genode;
Genode::log("--- Test framebuffer ---\n");
static Test_environment te(env.ep());
}
Genode::size_t Component::stack_size() {
return 4*1024*sizeof(long); }