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Draw frame in framebuffer test

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Issue #2555
This commit is contained in:
Christian Helmuth 2017-11-23 14:22:38 +01:00
parent 4112037c0c
commit 12461291b8
1 changed files with 32 additions and 0 deletions
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32
repos/os/src/test/framebuffer/main.cc
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@ -21,6 +21,8 @@
#include <util/reconstructible.h>
using Genode::uint16_t;
class Test_environment
{
private:
@ -55,6 +57,8 @@ class Test_environment
void _sync_handle() {
if (_sync_cnt++ % FRAME_CNT == 0) _draw(); }
void _draw_frame(uint16_t volatile *, uint16_t, unsigned, unsigned);
Genode::size_t _fb_bpp() { return _mode.bytes_per_pixel(); }
Genode::size_t _fb_size() { return _fb_ds->size(); }
Genode::addr_t _fb_base() {
@ -75,6 +79,19 @@ class Test_environment
};
void Test_environment::_draw_frame(uint16_t volatile *p, uint16_t c,
unsigned const w, unsigned const h)
{
/* top and bottom */
for (unsigned i = 0; i < w; ++i)
p[i] = p[(h - 1)*w + i] = c;
/* left and right */
for (unsigned i = 0; i < h; ++i)
p[i*w] = p[i*w + w - 1] = c;
}
void Test_environment::_draw()
{
using namespace Genode;
@ -94,6 +111,9 @@ void Test_environment::_draw()
}
*(uint16_t volatile *)(_fb_base() + o) = stripe ? BLACK : WHITE;
}
_draw_frame((uint16_t volatile *)_fb_base(), RED,
_mode.width(), _mode.height());
_state = ALL_BLUE;
break;
}
@ -102,6 +122,9 @@ void Test_environment::_draw()
Genode::log("blue");
for (addr_t o = 0; o < _fb_size(); o += _fb_bpp())
*(uint16_t volatile *)(_fb_base() + o) = BLUE;
_draw_frame((uint16_t volatile *)_fb_base(), RED,
_mode.width(), _mode.height());
_state = ALL_GREEN;
break;
}
@ -110,6 +133,9 @@ void Test_environment::_draw()
Genode::log("green");
for (addr_t o = 0; o < _fb_size(); o += _fb_bpp())
*(uint16_t volatile *)(_fb_base() + o) = GREEN;
_draw_frame((uint16_t volatile *)_fb_base(), RED,
_mode.width(), _mode.height());
_state = ALL_RED;
break;
}
@ -118,6 +144,9 @@ void Test_environment::_draw()
Genode::log("red");
for (addr_t o = 0; o < _fb_size(); o += _fb_bpp())
*(uint16_t volatile *)(_fb_base() + o) = RED;
_draw_frame((uint16_t volatile *)_fb_base(), WHITE,
_mode.width(), _mode.height());
_state = COLORED;
break;
}
@ -127,6 +156,9 @@ void Test_environment::_draw()
unsigned i = 0;
for (addr_t o = 0; o < _fb_size(); o += _fb_bpp(), i++)
*(uint16_t volatile *)(_fb_base() + o) = i;
_draw_frame((uint16_t volatile *)_fb_base(), WHITE,
_mode.width(), _mode.height());
_state = STRIPES;
}
};