96 lines
1.7 KiB
C++
96 lines
1.7 KiB
C++
/*
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* \brief Genode C API framebuffer functions of the Linux support library
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* \author Stefan Kalkowski
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* \date 2009-06-08
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*/
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/*
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* Copyright (C) 2009-2013 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/printf.h>
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#include <base/env.h>
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#include <framebuffer_session/connection.h>
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/* L4lx includes */
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#include <env.h>
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#include <linux.h>
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#include <genode/framebuffer.h>
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static Framebuffer::Connection *framebuffer() {
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static bool initialized = false;
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static Framebuffer::Connection *f = 0;
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if (!initialized) {
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try {
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static Framebuffer::Connection fb;
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f = &fb;
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} catch(...) {}
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initialized = true;
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}
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return f;
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}
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static Genode::Dataspace_capability fb_ds() {
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static Genode::Dataspace_capability ds = framebuffer()->dataspace();
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return ds;
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}
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extern "C" {
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int genode_screen_count()
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{
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Linux::Irq_guard guard;
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return framebuffer() ? 1 : 0;
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}
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unsigned long genode_fb_size(unsigned screen)
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{
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Linux::Irq_guard guard;
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return Genode::Dataspace_client(fb_ds()).size();
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}
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void *genode_fb_attach(unsigned screen)
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{
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Linux::Irq_guard guard;
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return L4lx::Env::env()->rm()->attach(fb_ds(), "framebuffer");
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}
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void genode_fb_info(unsigned screen, int *out_w, int *out_h)
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{
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Linux::Irq_guard guard;
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Framebuffer::Mode const mode = framebuffer()->mode();
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*out_w = mode.width();
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*out_h = mode.height();
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}
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void genode_fb_refresh(unsigned screen, int x, int y, int w, int h)
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{
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Linux::Irq_guard guard;
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framebuffer()->refresh(x,y,w,h);
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}
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void genode_fb_close(unsigned screen)
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{
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NOT_IMPLEMENTED;
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}
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} // extern "C"
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