52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
/*
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* \brief Basic test for framebuffer session
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* \author Martin Stein
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* \date 2012-01-09
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*/
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/*
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* Copyright (C) 2012 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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using namespace Genode;
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int main()
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{
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printf("--- Test framebuffer ---\n");
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/* create framebuffer */
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static Framebuffer::Connection fb;
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Framebuffer::Mode const mode = fb.mode();
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PINF("framebuffer is %dx%d@%d\n", mode.width(), mode.height(), mode.format());
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Dataspace_capability fb_ds_cap = fb.dataspace();
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if (!fb_ds_cap.valid()) {
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PERR("Could not request dataspace for frame buffer");
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return -2;
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}
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Framebuffer::Mode const fb_mode = fb.mode();
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/* write pixeldata to framebuffer */
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void * fb_base = env()->rm_session()->attach(fb_ds_cap);
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unsigned j;
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unsigned const fb_size = (unsigned)(mode.width()*mode.height())/2;
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for(unsigned i = 0; i < fb_size; i++)
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{
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*(((unsigned volatile *)fb_base) + i) = j;
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j++;
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}
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fb.refresh(0, 0, fb_mode.width(), fb_mode.height());
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printf("--- end ---\n");
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while(1);
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return 0;
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}
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