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/** @file
* OpenGL: Common header for host service and guest clients.
*/
/*
* Copyright (C) 2006-2011 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef ___VBox_HostService_VBoxOpenGLSvc_h
#define ___VBox_HostService_VBoxOpenGLSvc_h
#include <VBox/types.h>
#include <VBox/VBoxGuest.h>
#include <VBox/hgcmsvc.h>
#include <VBox/VMMDev.h>
/* OpenGL command buffer size */
#define VBOX_OGL_MAX_CMD_BUFFER (128*1024)
#define VBOX_OGL_CMD_ALIGN 4
#define VBOX_OGL_CMD_ALIGN_MASK (VBOX_OGL_CMD_ALIGN-1)
#define VBOX_OGL_CMD_MAGIC 0x1234ABCD
/* for debugging */
#define VBOX_OGL_CMD_STRICT
/* OpenGL command block */
typedef struct
{
#ifdef VBOX_OGL_CMD_STRICT
uint32_t Magic;
#endif
uint32_t enmOp;
uint32_t cbCmd;
uint32_t cParams;
/* start of variable size parameter array */
} VBOX_OGL_CMD, *PVBOX_OGL_CMD;
typedef struct
{
#ifdef VBOX_OGL_CMD_STRICT
uint32_t Magic;
#endif
uint32_t cbParam;
/* start of variable size parameter */
} VBOX_OGL_VAR_PARAM, *PVBOX_OGL_VAR_PARAM;
/** OpenGL Folders service functions. (guest)
* @{
*/
/** Query mappings changes. */
#define VBOXOGL_FN_GLGETSTRING (1)
#define VBOXOGL_FN_GLFLUSH (2)
#define VBOXOGL_FN_GLFLUSHPTR (3)
#define VBOXOGL_FN_GLCHECKEXT (4)
/** @} */
/** Function parameter structures.
* @{
*/
/**
* VBOXOGL_FN_GLGETSTRING
*/
/** Parameters structure. */
typedef struct
{
VBoxGuestHGCMCallInfo hdr;
/** 32bit, in: name
* GLenum name parameter
*/
HGCMFunctionParameter name;
/** pointer, in/out
* Buffer for requested string
*/
HGCMFunctionParameter pString;
} VBoxOGLglGetString;
/** Number of parameters */
#define VBOXOGL_CPARMS_GLGETSTRING (2)
/**
* VBOXOGL_FN_GLFLUSH
*/
/** Parameters structure. */
typedef struct
{
VBoxGuestHGCMCallInfo hdr;
/** pointer, in
* Command buffer
*/
HGCMFunctionParameter pCmdBuffer;
/** 32bit, out: cCommands
* Number of commands in the buffer
*/
HGCMFunctionParameter cCommands;
/** 64bit, out: retval
* uint64_t return code of last command
*/
HGCMFunctionParameter retval;
/** 32bit, out: lasterror
* GLenum current last error
*/
HGCMFunctionParameter lasterror;
} VBoxOGLglFlush;
/** Number of parameters */
#define VBOXOGL_CPARMS_GLFLUSH (4)
/**
* VBOXOGL_FN_GLFLUSHPTR
*/
/** Parameters structure. */
typedef struct
{
VBoxGuestHGCMCallInfo hdr;
/** pointer, in
* Command buffer
*/
HGCMFunctionParameter pCmdBuffer;
/** 32bit, out: cCommands
* Number of commands in the buffer
*/
HGCMFunctionParameter cCommands;
/** pointer, in
* Last command's final parameter memory block
*/
HGCMFunctionParameter pLastParam;
/** 64bit, out: retval
* uint64_t return code of last command
*/
HGCMFunctionParameter retval;
/** 32bit, out: lasterror
* GLenum current last error
*/
HGCMFunctionParameter lasterror;
} VBoxOGLglFlushPtr;
/** Number of parameters */
#define VBOXOGL_CPARMS_GLFLUSHPTR (5)
/**
* VBOXOGL_FN_GLCHECKEXT
*/
/** Parameters structure. */
typedef struct
{
VBoxGuestHGCMCallInfo hdr;
/** pointer, in
* Extension function name
*/
HGCMFunctionParameter pszExtFnName;
} VBoxOGLglCheckExt;
/** Number of parameters */
#define VBOXOGL_CPARMS_GLCHECKEXT (1)
/** @} */
#endif
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