98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
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* \brief Genode C API framebuffer functions needed by Linux
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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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#ifndef _INCLUDE__GENODE__FRAMEBUFFER_H_
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#define _INCLUDE__GENODE__FRAMEBUFFER_H_
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#include <l4/sys/compiler.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Returns the count of screens (framebuffer + input devices)
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* given by config-file information
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*/
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L4_CV int genode_screen_count(void);
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/**
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* Get the size of the framebuffer
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*
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* \param screen the index of the framebuffer
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* \return the size
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*/
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L4_CV unsigned long genode_fb_size(unsigned int screen);
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/**
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* Attach the framebuffer to our address space
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*
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* \param screen the index of the framebuffer
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* \return the virtual address the framebuffer was attached to
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*/
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L4_CV void *genode_fb_attach(unsigned int screen);
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/**
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* Get information about the resolution of the framebuffer
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*
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* \param screen the index of the framebuffer
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* \param out_w resulting pointer to the horizontal resolution info
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* \param out_h resulting pointer to the vertical resolution info
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*/
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L4_CV void genode_fb_info(unsigned int screen, int *out_w, int *out_h);
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/**
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* Refresh a specified area of the framebuffer
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*
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* \param screen the index of the framebuffer
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* \param x x-coordinate of the area's position
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* \param y y-coordinate of the area's position
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* \param w width of the area
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* \param h height of the area
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*/
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L4_CV void genode_fb_refresh(unsigned int screen, int x, int y, int w, int h);
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/**
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* Close the framebuffer session
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*
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* \param screen the index of the framebuffer
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*/
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L4_CV void genode_fb_close(unsigned screen);
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//int genode_nit_view_create(unsigned screen, unsigned view);
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//
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//void genode_nit_view_destroy(unsigned screen, unsigned view);
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//
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//void genode_nit_view_back(unsigned screen, unsigned view);
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//
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//void genode_nit_view_place(unsigned screen, unsigned view, int x,
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// int y, int w, int h);
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//
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//void genode_nit_view_stack(unsigned int screen, unsigned view,
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// unsigned neighbor, int behind);
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//
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///**
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// * Close all views of a nitpicker session
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// *
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// * \param screen the index of the framebuffer
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// */
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//void genode_nit_close_all_views(unsigned screen);
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#ifdef __cplusplus
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}
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#endif
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#endif //_INCLUDE__GENODE__FRAMEBUFFER_H_
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