cd3a5852d6
This commit enables compile-time warnings displayed whenever a deprecated API header is included, and adjusts the existing #include directives accordingly. Issue #1987
160 lines
3.5 KiB
C++
160 lines
3.5 KiB
C++
/*
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* \brief Basic test for framebuffer session
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* \author Martin Stein
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* \author Christian Helmuth
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* \author Stefan Kalkowski
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* \date 2012-01-09
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*/
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/*
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* Copyright (C) 2012-2014 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <base/component.h>
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#include <base/log.h>
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#include <dataspace/client.h>
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#include <framebuffer_session/connection.h>
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#include <base/attached_dataspace.h>
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#include <util/reconstructible.h>
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class Test_environment
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{
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private:
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using Ds = Genode::Constructible<Genode::Attached_dataspace>;
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enum Color {
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BLACK = 0x0,
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BLUE = 0x1f,
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GREEN = 0x7e0,
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RED = 0xf800,
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WHITE = 0xffff,
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};
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enum State { STRIPES, ALL_BLUE, ALL_GREEN, ALL_RED, COLORED };
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Framebuffer::Connection _fb;
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Framebuffer::Mode _mode;
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Ds _fb_ds;
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Genode::Signal_handler<Test_environment> _mode_sigh;
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Genode::Signal_handler<Test_environment> _sync_sigh;
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unsigned long _sync_cnt = 0;
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State _state = STRIPES;
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enum { FRAME_CNT = 200 };
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void _draw();
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void _mode_handle();
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void _sync_handle() {
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if (_sync_cnt++ % FRAME_CNT == 0) _draw(); }
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Genode::size_t _fb_bpp() { return _mode.bytes_per_pixel(); }
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Genode::size_t _fb_size() { return _fb_ds->size(); }
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Genode::addr_t _fb_base() {
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return (Genode::addr_t) _fb_ds->local_addr<void>(); }
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public:
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Test_environment(Genode::Entrypoint &ep)
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: _mode_sigh(ep, *this, &Test_environment::_mode_handle),
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_sync_sigh(ep, *this, &Test_environment::_sync_handle)
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{
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_fb.mode_sigh(_mode_sigh);
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_fb.sync_sigh(_sync_sigh);
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_mode_handle();
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}
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};
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void Test_environment::_draw()
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{
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using namespace Genode;
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switch(_state) {
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case STRIPES:
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{
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Genode::log("black & white stripes");
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addr_t const stripe_width = _mode.width() / 4;
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addr_t stripe_o = 0;
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bool stripe = 0;
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for (addr_t o = 0; o < _fb_size(); o += _fb_bpp()) {
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stripe_o++;
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if (stripe_o == stripe_width) {
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stripe_o = 0;
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stripe = !stripe;
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}
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*(uint16_t volatile *)(_fb_base() + o) = stripe ? BLACK : WHITE;
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}
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_state = ALL_BLUE;
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break;
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}
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case ALL_BLUE:
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{
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Genode::log("blue");
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for (addr_t o = 0; o < _fb_size(); o += _fb_bpp())
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*(uint16_t volatile *)(_fb_base() + o) = BLUE;
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_state = ALL_GREEN;
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break;
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}
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case ALL_GREEN:
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{
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Genode::log("green");
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for (addr_t o = 0; o < _fb_size(); o += _fb_bpp())
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*(uint16_t volatile *)(_fb_base() + o) = GREEN;
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_state = ALL_RED;
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break;
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}
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case ALL_RED:
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{
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Genode::log("red");
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for (addr_t o = 0; o < _fb_size(); o += _fb_bpp())
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*(uint16_t volatile *)(_fb_base() + o) = RED;
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_state = COLORED;
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break;
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}
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case COLORED:
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{
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Genode::log("all colors mixed");
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unsigned i = 0;
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for (addr_t o = 0; o < _fb_size(); o += _fb_bpp(), i++)
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*(uint16_t volatile *)(_fb_base() + o) = i;
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_state = STRIPES;
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}
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};
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_fb.refresh(0, 0, _mode.width(), _mode.height());
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}
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void Test_environment::_mode_handle()
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{
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_mode = _fb.mode();
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if (_fb_ds.is_constructed())
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_fb_ds.destruct();
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_fb_ds.construct(_fb.dataspace());
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Genode::log("framebuffer is ", _mode);
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if (_mode.bytes_per_pixel() != 2) {
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Genode::error("pixel format not supported");
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throw -1;
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}
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_draw();
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}
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void Component::construct(Genode::Env &env)
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{
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using namespace Genode;
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Genode::log("--- Test framebuffer ---\n");
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static Test_environment te(env.ep());
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}
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