Initial commit of BlackBerry implementation. It compiles, but doesn't have required functions implemented.

This commit is contained in:
Rcmaniac25 2013-09-02 17:38:12 -04:00
parent 944cdf1b8b
commit 551458bb15
7 changed files with 397 additions and 3 deletions

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@ -32,6 +32,9 @@ John Tsiombikas <nuclear@member.fsf.org>
Sylvain Beucler
support for Android, X11/EGL, OpenGL(ES) 2.x, misc fixes
Vincent Simonetti
support for BlackBerry
Diederick C. Niehorster
Chris Marshall
Clive McCarthy

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@ -137,6 +137,11 @@ ELSEIF(ANDROID)
src/android/fg_structure_android.c
src/android/fg_window_android.c
)
ELSEIF(BLACKBERRY)
LIST(APPEND FREEGLUT_SRCS
src/blackberry/fg_internal_blackberry.h
src/blackberry/fg_main_blackberry.h
)
ELSE()
LIST(APPEND FREEGLUT_SRCS
src/x11/fg_cursor_x11.c
@ -219,14 +224,14 @@ ENDIF()
IF(CMAKE_COMPILER_IS_GNUCC)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
IF(!ANDROID)
IF(NOT(ANDROID OR BLACKBERRY))
# not setting -ansi as EGL/KHR headers doesn't support it
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ansi")
ENDIF()
ENDIF(CMAKE_COMPILER_IS_GNUCC)
INCLUDE(CheckIncludeFiles)
IF(UNIX AND NOT ANDROID)
IF(UNIX AND NOT(ANDROID OR BLACKBERRY))
FIND_PACKAGE(X11 REQUIRED)
LIST(APPEND LIBS ${X11_LIBRARIES})
IF(X11_Xrandr_FOUND)
@ -251,6 +256,8 @@ IF(ANDROID)
# -landroid for ANativeWindow
# -llog for native Android logging
LIST(APPEND LIBS android log)
ELSEIF(BLACKBERRY)
LIST(APPEND LIBS bps slog2)
ENDIF()
INCLUDE(CheckFunctionExists)
@ -464,12 +471,16 @@ IF(WIN32)
ELSEIF(FREEGLUT_GLES2)
IF(ANDROID)
SET(PC_LIBS_PRIVATE "-llog -landroid -lGLESv2 -lEGL -lm")
ELSEIF(BLACKBERRY)
SET(PC_LIBS_PRIVATE "-lbps -lslog2 -lGLESv2 -lEGL -lm")
ELSE()
SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGLESv2 -lEGL -lm")
ENDIF()
ELSEIF(FREEGLUT_GLES1)
IF(ANDROID)
SET(PC_LIBS_PRIVATE "-llog -landroid -lGLESv1_CM -lEGL -lm")
ELSEIF(BLACKBERRY)
SET(PC_LIBS_PRIVATE "-lbps -lslog2 -lGLESv1_CM -lEGL -lm")
ELSE()
SET(PC_LIBS_PRIVATE "-lX11 -lXxf86vm -lXrandr -lGLESv1_CM -lEGL -lm")
ENDIF()

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@ -0,0 +1,21 @@
# ------------------------------------------------------------------------------
# BlackBerry CMake toolchain file, for use with the BlackBerry 10 NDK
# Requires cmake 2.6.3 or newer (2.8.3 or newer is recommended).
#
# Usage Linux:
# $ source /absolute/path/to/the/bbndk/bbndk-env.sh
# $ mkdir build
# $ cd build
# $ cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES2=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles"
# $ make -j8
#
# Usage Mac:
# Same as the steps on Linux
#
# Usage Windows:
# > /absolute/path/to/the/bbndk/bbndk-env.bat
# > mkdir build
# > cd build
# > cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES2=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles"
# > make -j8
#

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@ -0,0 +1,196 @@
# ------------------------------------------------------------------------------
# BlackBerry CMake toolchain file, for use with the BlackBerry 10 NDK
# Requires cmake 2.6.3 or newer (2.8.3 or newer is recommended).
#
# Usage Linux:
# $ source /absolute/path/to/the/bbndk/bbndk-env.sh
# $ mkdir build
# $ cd build
# $ cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES2=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles"
# $ make -j8
#
# Usage Mac:
# Same as the steps on Linux
#
# Usage Windows:
# > /absolute/path/to/the/bbndk/bbndk-env.bat
# > mkdir build
# > cd build
# > cmake .. -DCMAKE_TOOLCHAIN_FILE="../blackberry.toolchain.cmake" -DBLACKBERRY_ARCHITECTURE=arm -DFREEGLUT_GLES2=ON -DFREEGLUT_BUILD_DEMOS=NO -DCMAKE_VERBOSE_MAKEFILE=TRUE -G "Eclipse CDT4 - Unix Makefiles"
# > make -j8
#
cmake_minimum_required( VERSION 2.6.3 )
if( DEFINED CMAKE_CROSSCOMPILING )
# Subsequent toolchain loading is not really needed
return()
endif()
set( BLACKBERRY_TOOLCHAIN_ROOT "$ENV{QNX_HOST}" )
set( BLACKBERRY_TARGET_ROOT "$ENV{QNX_TARGET}" )
set( CMAKE_SYSTEM_NAME Linux )
set( CMAKE_SYSTEM_VERSION 1 )
# STL version: by default gnustl_static will be used
set( BLACKBERRY_USE_STLPORT FALSE CACHE BOOL "Experimental: use stlport_static instead of gnustl_static")
mark_as_advanced( BLACKBERRY_USE_STLPORT )
# Detect host platform
set( TOOL_OS_SUFFIX "" )
if( CMAKE_HOST_APPLE )
set( BLACKBERRY_NDK_HOST_SYSTEM_NAME "darwin-x86" )
elseif( CMAKE_HOST_WIN32 )
set( BLACKBERRY_NDK_HOST_SYSTEM_NAME "windows" )
set( TOOL_OS_SUFFIX ".exe" )
elseif( CMAKE_HOST_UNIX )
set(BLACKBERRY_NDK_HOST_SYSTEM_NAME "linux-x86" )
else()
message( FATAL_ERROR "Cross-compilation on your platform is not supported by this cmake toolchain" )
endif()
# Specify the cross compiler
set( CMAKE_C_COMPILER "$ENV{QNX_HOST}/usr/bin/qcc${TOOL_OS_SUFFIX}" CACHE PATH "gcc" )
set( CMAKE_CXX_COMPILER "$ENV{QNX_HOST}/usr/bin/qcc${TOOL_OS_SUFFIX}" CACHE PATH "g++" )
set( CMAKE_ASM_COMPILER "$ENV{QNX_HOST}/usr/bin/qcc${TOOL_OS_SUFFIX}" CACHE PATH "Assembler" )
if( CMAKE_VERSION VERSION_LESS 2.8.5 )
set( CMAKE_ASM_COMPILER_ARG1 "-c" )
endif()
# There may be a way to make cmake reduce these TODO
if( BLACKBERRY_ARCHITECTURE STREQUAL "arm" )
set( NEUTRINO_ARCH "v7" )
else()
set( NEUTRINO_ARCH "" )
endif()
set( CMAKE_STRIP "$ENV{QNX_HOST}/usr/bin/nto${BLACKBERRY_ARCHITECTURE}-strip${TOOL_OS_SUFFIX}" CACHE PATH "strip" )
set( CMAKE_AR "$ENV{QNX_HOST}/usr/bin/nto${BLACKBERRY_ARCHITECTURE}-ar${TOOL_OS_SUFFIX}" CACHE PATH "archive" )
set( CMAKE_LINKER "$ENV{QNX_HOST}/usr/bin/nto${BLACKBERRY_ARCHITECTURE}${NEUTRINO_ARCH}-ld${TOOL_OS_SUFFIX}" CACHE PATH "linker" )
set( CMAKE_NM "$ENV{QNX_HOST}/usr/bin/nto${BLACKBERRY_ARCHITECTURE}${NEUTRINO_ARCH}-nm${TOOL_OS_SUFFIX}" CACHE PATH "nm" )
set( CMAKE_OBJCOPY "$ENV{QNX_HOST}/usr/bin/nto${BLACKBERRY_ARCHITECTURE}${NEUTRINO_ARCH}-objcopy${TOOL_OS_SUFFIX}" CACHE PATH "objcopy" )
set( CMAKE_OBJDUMP "$ENV{QNX_HOST}/usr/bin/nto${BLACKBERRY_ARCHITECTURE}${NEUTRINO_ARCH}-objdump${TOOL_OS_SUFFIX}" CACHE PATH "objdump" )
set( CMAKE_RANLIB "$ENV{QNX_HOST}/usr/bin/nto${BLACKBERRY_ARCHITECTURE}-ranlib${TOOL_OS_SUFFIX}" CACHE PATH "ranlib" )
# Installer
#if( APPLE )
# find_program( CMAKE_INSTALL_NAME_TOOL NAMES install_name_tool )
# if( NOT CMAKE_INSTALL_NAME_TOOL )
# message( FATAL_ERROR "Could not find install_name_tool, please check your #installation." )
# endif()
# mark_as_advanced( CMAKE_INSTALL_NAME_TOOL )
# endif()
# Setup output directories
set( LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_SOURCE_DIR} CACHE PATH "root for library output, set this to change where android libs are installed to" )
set( CMAKE_INSTALL_PREFIX "${BLACKBERRY_TOOLCHAIN_ROOT}/user" CACHE STRING "path for installing" )
if( EXISTS "${CMAKE_SOURCE_DIR}/jni/CMakeLists.txt" )
set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin/${ANDROID_NDK_ABI_NAME}" CACHE PATH "Output directory for applications" )
else()
set( EXECUTABLE_OUTPUT_PATH "${LIBRARY_OUTPUT_PATH_ROOT}/bin" CACHE PATH "Output directory for applications" )
endif()
# Includes
list( APPEND BLACKBERRY_SYSTEM_INCLUDE_DIRS "${BLACKBERRY_TARGET_ROOT}/qnx6/usr/include" )
# Flags and preprocessor definitions
if( BLACKBERRY_ARCHITECTURE STREQUAL "arm" )
set( BLACKBERRY_CC_FLAGS " -V4.6.3,gcc_ntoarmv7le -D__QNX__" )
set( BLACKBERRY_CXX_FLAGS " -V4.6.3,gcc_ntoarmv7le -Y_gpp -D__QNX__" )
else()
set( BLACKBERRY_CC_FLAGS " -V4.6.3,gcc_ntox86 -D__QNX__" )
set( BLACKBERRY_CXX_FLAGS " -V4.6.3,gcc_ntox86 -Y_gpp -D__QNX__" )
endif()
set( BLACKBERRY 1 )
# NDK flags
set( CMAKE_CXX_FLAGS "${BLACKBERRY_CXX_FLAGS}" )
set( CMAKE_C_FLAGS "${BLACKBERRY_CC_FLAGS}" )
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fexceptions" )
# Release and Debug flags
if( BLACKBERRY_ARCHITECTURE STREQUAL "arm" )
set( CMAKE_CXX_FLAGS_RELEASE "-mthumb -O3" )
set( CMAKE_C_FLAGS_RELEASE "-mthumb -O3" )
set( CMAKE_CXX_FLAGS_DEBUG "-marm -Os -finline-limit=64" )
set( CMAKE_C_FLAGS_DEBUG "-marm -Os -finline-limit=64" )
else()
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=i486" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=i486" )
endif()
# Cache flags
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags" )
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "c++ Release flags" )
set( CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}" CACHE STRING "c Release flags" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING "c++ Debug flags" )
set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}" CACHE STRING "c Debug flags" )
set( CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "linker flags" )
SET( CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "" CACHE STRING "linker flags")
SET( CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "" CACHE STRING "linker flags")
set( CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "linker flags" )
set( CMAKE_EXE_LINKER_FLAGS "-lstdc++ -lm -lEGL -lGLESv2 -lbps -lscreen" CACHE STRING "linker flags" )
# Finish flags
set( BLACKBERRY_CXX_FLAGS "${BLACKBERRY_CXX_FLAGS}" CACHE INTERNAL "Extra BlackBerry compiler flags")
set( BLACKBERRY_LINKER_FLAGS "${BLACKBERRY_LINKER_FLAGS}" CACHE INTERNAL "Extra BlackBerry linker flags")
set( CMAKE_CXX_FLAGS "${BLACKBERRY_CXX_FLAGS} ${CMAKE_CXX_FLAGS}" )
set( CMAKE_C_FLAGS "${BLACKBERRY_CXX_FLAGS} ${CMAKE_C_FLAGS}" )
# Global flags for cmake client scripts to change behavior
set( BLACKBERRY True )
# Find the Target environment
set( CMAKE_FIND_ROOT_PATH "${CMAKE_SOURCE_DIR}" "${BLACKBERRY_TARGET_ROOT}" "${CMAKE_INSTALL_PREFIX}" "${CMAKE_INSTALL_PREFIX}/share" )
# Search for libraries and includes in the ndk toolchain
set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )
# Macro to find packages on the host OS
macro( find_host_package )
set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER )
set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER )
set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER )
if( CMAKE_HOST_WIN32 )
SET( WIN32 1 )
SET( UNIX )
elseif( CMAKE_HOST_APPLE )
SET( APPLE 1 )
SET( UNIX )
endif()
find_package( ${ARGN} )
SET( WIN32 )
SET( APPLE )
SET( UNIX 1 )
set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )
endmacro()
# Macro to find programs on the host OS
macro( find_host_program )
set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER )
set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER )
set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER )
if( CMAKE_HOST_WIN32 )
SET( WIN32 1 )
SET( UNIX )
elseif( CMAKE_HOST_APPLE )
SET( APPLE 1 )
SET( UNIX )
endif()
find_program( ${ARGN} )
SET( WIN32 )
SET( APPLE )
SET( UNIX 1 )
set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )
endmacro()
# We are doing cross compiling, reset the OS information of the Building system
UNSET( APPLE )
UNSET( WIN32 )
UNSET( UNIX )

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@ -0,0 +1,120 @@
/*
* fg_internal_blackberry.h
*
* The freeglut library private include file.
*
* Copyright (C) 2012 Sylvain Beucler
* Copyright (C) 2013 Vincent Simonetti
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef FREEGLUT_INTERNAL_BLACKBERRY_H
#define FREEGLUT_INTERNAL_BLACKBERRY_H
//Minor modified version of fg_internal_android.h
/* -- PLATFORM-SPECIFIC INCLUDES ------------------------------------------- */
/* BlackBerry OpenGL ES is accessed through EGL */
#include "egl/fg_internal_egl.h"
/* -- GLOBAL TYPE DEFINITIONS ---------------------------------------------- */
/* The structure used by display initialization in freeglut_init.c */
typedef struct tagSFG_PlatformDisplay SFG_PlatformDisplay;
struct tagSFG_PlatformDisplay
{
struct tagSFG_PlatformDisplayEGL egl;
EGLNativeWindowType single_native_window;
};
typedef struct tagSFG_PlatformContext SFG_PlatformContext;
/* SFG_PlatformContext is used for SFG_Window.Window */
struct tagSFG_PlatformContext
{
struct tagSFG_PlatformContextEGL egl;
};
/**
* Virtual PAD (spots on touchscreen that simulate keys)
*/
struct vpad_state {
bool on;
bool left;
bool right;
bool up;
bool down;
};
struct touchscreen {
struct vpad_state vpad;
bool in_mmotion;
};
/* -- JOYSTICK-SPECIFIC STRUCTURES AND TYPES ------------------------------- */
/*
* Initial defines from "js.h" starting around line 33 with the existing "freeglut_joystick.c"
* interspersed
*/
/*
* We'll put these values in and that should
* allow the code to at least compile when there is
* no support. The JS open routine should error out
* and shut off all the code downstream anyway and if
* the application doesn't use a joystick we'll be fine.
*/
struct JS_DATA_TYPE
{
int buttons;
int x;
int y;
};
# define JS_RETURN (sizeof(struct JS_DATA_TYPE))
/* XXX It might be better to poll the operating system for the numbers of buttons and
* XXX axes and then dynamically allocate the arrays.
*/
# define _JS_MAX_AXES 16
typedef struct tagSFG_PlatformJoystick SFG_PlatformJoystick;
struct tagSFG_PlatformJoystick
{
struct JS_DATA_TYPE js;
char fname [ 128 ];
int fd;
};
/* Window's state description. This structure should be kept portable. */
typedef struct tagSFG_PlatformWindowState SFG_PlatformWindowState;
struct tagSFG_PlatformWindowState
{
char unused;
};
/* Menu font and color definitions */
#define FREEGLUT_MENU_FONT NULL
#define FREEGLUT_MENU_PEN_FORE_COLORS {0.0f, 0.0f, 0.0f, 1.0f}
#define FREEGLUT_MENU_PEN_BACK_COLORS {0.70f, 0.70f, 0.70f, 1.0f}
#define FREEGLUT_MENU_PEN_HFORE_COLORS {0.0f, 0.0f, 0.0f, 1.0f}
#define FREEGLUT_MENU_PEN_HBACK_COLORS {1.0f, 1.0f, 1.0f, 1.0f}
#endif /* FREEGLUT_INTERNAL_BLACKBERRY_H */

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@ -0,0 +1,37 @@
/*
* fg_main_blackberry.h
*
* The BlackBerry-specific windows message processing methods.
*
* Copyright (C) 2013 Vincent Simonetti
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __FG_MAIN_BLACKBERRY_H__
#define __FG_MAIN_BLACKBERRY_H__
#include <GL/freeglut.h>
#include "fg_internal.h"
/*extern void fgPlatformProcessSingleEvent(void);
extern unsigned long fgPlatformSystemTime(void);
extern void fgPlatformSleepForEvents(long msec);
extern void fgPlatformMainLoopPreliminaryWork(void);*/
#endif

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@ -45,6 +45,9 @@
#elif defined (__ANDROID__)
# define TARGET_HOST_ANDROID 1
#elif defined (__QNX__)
# define TARGET_HOST_BLACKBERRY 1
#elif defined(__posix__) || defined(__unix__) || defined(__linux__) || defined(__sun)
# define TARGET_HOST_POSIX_X11 1
@ -184,6 +187,9 @@
#if TARGET_HOST_ANDROID
#include "android/fg_internal_android.h"
#endif
#if TARGET_HOST_BLACKBERRY
#include "blackberry/fg_internal_blackberry.h"
#endif
/* -- GLOBAL TYPE DEFINITIONS ---------------------------------------------- */
@ -372,7 +378,7 @@ struct tagSFG_Context
int DoubleBuffered; /* Treat the window as double-buffered */
/* When drawing geometry to vertex attribute buffers, user specifies
/* When drawing geometry to vertex attribute buffers, user specifies
* the attribute indices for vertices, normals and/or texture coords
* to freeglut. Those are stored here
*/