/usr/include/directfb/directfbgl2.h is in libdirectfb-dev 1.7.7-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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(c) Copyright 2012-2013 DirectFB integrated media GmbH
(c) Copyright 2001-2013 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Shimokawa <andi@directfb.org>,
Marek Pikarski <mass@directfb.org>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef __DIRECTFBGL2_H__
#define __DIRECTFBGL2_H__
#include <directfb.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*
* The DirectFBGL2 interface version.
*/
#define DIRECTFBGL2_INTERFACE_VERSION 1
/*
* Flags for a context description
*/
typedef enum {
DGL2CDF_NONE = 0x00000000,
DGL2CDF_CAPS = 0x00000001,
DGL2CDF_DEPTH_BITS = 0x00000002,
DGL2CDF_ALL = 0x00000003,
} DFBGL2ContextDescriptionFlags;
/*
* Capabilities of a context
*/
typedef enum {
DGL2CC_NONE = 0x00000000,
DGL2CC_STEREO = 0x00000001,
DGL2CC_ALL = 0x00000001,
} DFBGL2ContextCapabilities;
/*
* Description of an OpenGL context
*/
typedef struct {
DFBGL2ContextDescriptionFlags flags;
DFBGL2ContextCapabilities caps;
int depth_bits;
} DFBGL2ContextDescription;
/****************
* IDirectFBGL2 *
****************/
/*
* This module allows creation and control of rendering contexts
*/
D_DEFINE_INTERFACE( IDirectFBGL2,
/** Contexts **/
/*
* Creates a new rendering context.
*
* Contexts are sharing objects with contexts created from the same interface.
*/
DFBResult (*CreateContext) (
IDirectFBGL2 *thiz,
const DFBGL2ContextDescription *desc,
IDirectFBGL2Context **ret_context
);
/** Interface **/
/*
* Get the address of an OpenGL function.
*
* The function can be called when one of the contexts from this interface is bound.
*/
DFBResult (*GetProcAddress) (
IDirectFBGL2 *thiz,
const char *name,
void **ret_address
);
/** Textures **/
/*
* Bind the surface buffer to the texture object.
*
* The object must be created in one of the contexts from this interface.
*/
DFBResult (*TextureSurface) (
IDirectFBGL2 *thiz,
int target,
int level,
IDirectFBSurface *surface
);
)
/***********************
* IDirectFBGL2Context *
***********************/
/*
* This is a rendering context
*/
D_DEFINE_INTERFACE( IDirectFBGL2Context,
/** Binding **/
/*
* Binds the rendering context to surface buffers.
*/
DFBResult (*Bind) (
IDirectFBGL2Context *thiz,
IDirectFBSurface *draw,
IDirectFBSurface *read
);
/*
* Unbinds the rendering context if bound.
*/
DFBResult (*Unbind) (
IDirectFBGL2Context *thiz
);
)
#ifdef __cplusplus
}
#endif
#endif
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