ca971bbfd8
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
114 lines
2.7 KiB
C++
114 lines
2.7 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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* \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 <framebuffer_session/connection.h>
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#include <dataspace/client.h>
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#include <base/printf.h>
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#include <base/env.h>
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#include <timer_session/connection.h>
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class Test_environment
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{
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private:
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Timer::Connection _timer;
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Framebuffer::Connection _fb;
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Framebuffer::Mode const _mode{_fb.mode()};
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Genode::Dataspace_capability const _ds_cap{_fb.dataspace()};
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void * const _base{Genode::env()->rm_session()->attach(_ds_cap)};
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public:
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Test_environment()
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{
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PINF("framebuffer is %dx%d@%d",
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_mode.width(), _mode.height(), _mode.format());
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if (_mode.bytes_per_pixel() != 2) {
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PERR("pixel format not supported");
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throw -1;
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}
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}
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void complete_step()
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{
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_fb.refresh(0, 0, _mode.width(), _mode.height());
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_timer.msleep(2000);
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}
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Framebuffer::Mode fb_mode() const { return _mode; }
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unsigned fb_bpp() const { return _mode.bytes_per_pixel(); }
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Genode::addr_t fb_base() const { return (Genode::addr_t) _base; }
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Genode::size_t fb_size() const { return _mode.width()
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* _mode.height()
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* _mode.bytes_per_pixel(); }
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};
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int main()
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{
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using namespace Genode;
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printf("--- Test framebuffer ---\n");
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static Test_environment te;
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addr_t const stripe_width = te.fb_mode().width() / 4;
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while (1) {
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enum {
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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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PINF("black & white stripes");
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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 < te.fb_size(); o += te.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 *)(te.fb_base() + o) = stripe ? BLACK : WHITE;
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}
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te.complete_step();
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PINF("blue");
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for (addr_t o = 0; o < te.fb_size(); o += te.fb_bpp())
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*(uint16_t volatile *)(te.fb_base() + o) = BLUE;
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te.complete_step();
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PINF("green");
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for (addr_t o = 0; o < te.fb_size(); o += te.fb_bpp())
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*(uint16_t volatile *)(te.fb_base() + o) = GREEN;
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te.complete_step();
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PINF("red");
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for (addr_t o = 0; o < te.fb_size(); o += te.fb_bpp())
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*(uint16_t volatile *)(te.fb_base() + o) = RED;
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te.complete_step();
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PINF("all colors mixed");
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unsigned i = 0;
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for (addr_t o = 0; o < te.fb_size(); o += te.fb_bpp(), i++)
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*(uint16_t volatile *)(te.fb_base() + o) = i;
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te.complete_step();
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}
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}
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