387 lines
12 KiB
C
387 lines
12 KiB
C
//========================================================================
|
|
// GLFW - An OpenGL framework
|
|
// Platform: X11/GLX
|
|
// API version: 3.0
|
|
// WWW: http://www.glfw.org/
|
|
//------------------------------------------------------------------------
|
|
// Copyright (c) 2002-2006 Marcus Geelnard
|
|
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
|
|
//
|
|
// This software is provided 'as-is', without any express or implied
|
|
// warranty. In no event will the authors be held liable for any damages
|
|
// arising from the use of this software.
|
|
//
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it
|
|
// freely, subject to the following restrictions:
|
|
//
|
|
// 1. The origin of this software must not be misrepresented; you must not
|
|
// claim that you wrote the original software. If you use this software
|
|
// in a product, an acknowledgment in the product documentation would
|
|
// be appreciated but is not required.
|
|
//
|
|
// 2. Altered source versions must be plainly marked as such, and must not
|
|
// be misrepresented as being the original software.
|
|
//
|
|
// 3. This notice may not be removed or altered from any source
|
|
// distribution.
|
|
//
|
|
//========================================================================
|
|
|
|
#ifndef _platform_h_
|
|
#define _platform_h_
|
|
|
|
|
|
// This is the X11 version of GLFW
|
|
#define _GLFW_X11
|
|
|
|
|
|
// Include files
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
#include <X11/Xlib.h>
|
|
#include <X11/keysym.h>
|
|
#include <X11/Xatom.h>
|
|
#include <GL/glx.h>
|
|
|
|
#include "../../include/GL/glfw.h"
|
|
#include "x11_config.h"
|
|
|
|
// We need declarations for GLX version 1.3 or above even if the server doesn't
|
|
// support version 1.3
|
|
#ifndef GLX_VERSION_1_3
|
|
#error "GLX header version 1.3 or above is required"
|
|
#endif
|
|
|
|
#if defined( _GLFW_HAS_XF86VIDMODE ) && defined( _GLFW_HAS_XRANDR )
|
|
#error "Xf86VidMode and RandR extensions cannot both be enabled"
|
|
#endif
|
|
|
|
// With XFree86, we can use the XF86VidMode extension
|
|
#if defined( _GLFW_HAS_XF86VIDMODE )
|
|
#include <X11/extensions/xf86vmode.h>
|
|
#endif
|
|
|
|
#if defined( _GLFW_HAS_XRANDR )
|
|
#include <X11/extensions/Xrandr.h>
|
|
#endif
|
|
|
|
// Do we have support for dlopen/dlsym?
|
|
#if defined( _GLFW_HAS_DLOPEN )
|
|
#include <dlfcn.h>
|
|
#endif
|
|
|
|
// Pointer length integer
|
|
// One day, this will most likely move into glfw.h
|
|
typedef intptr_t GLFWintptr;
|
|
|
|
|
|
#ifndef GLX_SGI_swap_control
|
|
|
|
// Function signature for GLX_SGI_swap_control
|
|
typedef int ( * PFNGLXSWAPINTERVALSGIPROC) (int interval);
|
|
|
|
#endif /*GLX_SGI_swap_control*/
|
|
|
|
|
|
#ifndef GLX_SGIX_fbconfig
|
|
|
|
/* Type definitions for GLX_SGIX_fbconfig */
|
|
typedef XID GLXFBConfigIDSGIX;
|
|
typedef struct __GLXFBConfigRec *GLXFBConfigSGIX;
|
|
|
|
/* Function signatures for GLX_SGIX_fbconfig */
|
|
typedef int ( * PFNGLXGETFBCONFIGATTRIBSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int attribute, int *value);
|
|
typedef GLXFBConfigSGIX * ( * PFNGLXCHOOSEFBCONFIGSGIXPROC) (Display *dpy, int screen, int *attrib_list, int *nelements);
|
|
typedef GLXContext ( * PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct);
|
|
typedef XVisualInfo * ( * PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config);
|
|
|
|
/* Tokens for GLX_SGIX_fbconfig */
|
|
#define GLX_WINDOW_BIT_SGIX 0x00000001
|
|
#define GLX_PIXMAP_BIT_SGIX 0x00000002
|
|
#define GLX_RGBA_BIT_SGIX 0x00000001
|
|
#define GLX_COLOR_INDEX_BIT_SGIX 0x00000002
|
|
#define GLX_DRAWABLE_TYPE_SGIX 0x8010
|
|
#define GLX_RENDER_TYPE_SGIX 0x8011
|
|
#define GLX_X_RENDERABLE_SGIX 0x8012
|
|
#define GLX_FBCONFIG_ID_SGIX 0x8013
|
|
#define GLX_RGBA_TYPE_SGIX 0x8014
|
|
#define GLX_COLOR_INDEX_TYPE_SGIX 0x8015
|
|
#define GLX_SCREEN_EXT 0x800C
|
|
|
|
#endif /*GLX_SGIX_fbconfig*/
|
|
|
|
|
|
#ifndef GLX_ARB_create_context
|
|
|
|
/* Tokens for glXCreateContextAttribsARB attributes */
|
|
#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
|
|
#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
|
|
#define GLX_CONTEXT_FLAGS_ARB 0x2094
|
|
|
|
/* Bits for WGL_CONTEXT_FLAGS_ARB */
|
|
#define GLX_CONTEXT_DEBUG_BIT_ARB 0x0001
|
|
#define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
|
|
|
|
/* Prototype for glXCreateContextAttribs */
|
|
typedef GLXContext (*PFNGLXCREATECONTEXTATTRIBSARBPROC)( Display *display, GLXFBConfig config, GLXContext share_context, Bool direct, const int *attrib_list);
|
|
|
|
#endif /*GLX_ARB_create_context*/
|
|
|
|
|
|
#ifndef GLX_ARB_create_context_profile
|
|
|
|
/* Tokens for glXCreateContextAttribsARB attributes */
|
|
#define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
|
|
|
|
/* BIts for GLX_CONTEXT_PROFILE_MASK_ARB */
|
|
#define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
|
|
#define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
|
|
|
|
#endif /*GLX_ARB_create_context_profile*/
|
|
|
|
|
|
#ifndef GL_VERSION_3_0
|
|
|
|
typedef const GLubyte * (APIENTRY *PFNGLGETSTRINGIPROC) (GLenum, GLuint);
|
|
|
|
#endif /*GL_VERSION_3_0*/
|
|
|
|
|
|
|
|
//========================================================================
|
|
// Global variables (GLFW internals)
|
|
//========================================================================
|
|
|
|
//------------------------------------------------------------------------
|
|
// Window structure
|
|
//------------------------------------------------------------------------
|
|
typedef struct _GLFWwin_struct _GLFWwin;
|
|
|
|
struct _GLFWwin_struct {
|
|
|
|
// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
|
|
|
|
// User callback functions
|
|
GLFWwindowsizefun windowSizeCallback;
|
|
GLFWwindowclosefun windowCloseCallback;
|
|
GLFWwindowrefreshfun windowRefreshCallback;
|
|
GLFWmousebuttonfun mouseButtonCallback;
|
|
GLFWmouseposfun mousePosCallback;
|
|
GLFWmousewheelfun mouseWheelCallback;
|
|
GLFWkeyfun keyCallback;
|
|
GLFWcharfun charCallback;
|
|
|
|
// User selected window settings
|
|
int fullscreen; // Fullscreen flag
|
|
int mouseLock; // Mouse-lock flag
|
|
int autoPollEvents; // Auto polling flag
|
|
int sysKeysDisabled; // System keys disabled flag
|
|
int windowNoResize; // Resize- and maximize gadgets disabled flag
|
|
int refreshRate; // Vertical monitor refresh rate
|
|
|
|
// Window status & parameters
|
|
int opened; // Flag telling if window is opened or not
|
|
int active; // Application active flag
|
|
int iconified; // Window iconified flag
|
|
int width, height; // Window width and heigth
|
|
int accelerated; // GL_TRUE if window is HW accelerated
|
|
|
|
// Framebuffer attributes
|
|
int redBits;
|
|
int greenBits;
|
|
int blueBits;
|
|
int alphaBits;
|
|
int depthBits;
|
|
int stencilBits;
|
|
int accumRedBits;
|
|
int accumGreenBits;
|
|
int accumBlueBits;
|
|
int accumAlphaBits;
|
|
int auxBuffers;
|
|
int stereo;
|
|
int samples;
|
|
|
|
// OpenGL extensions and context attributes
|
|
int has_GL_SGIS_generate_mipmap;
|
|
int has_GL_ARB_texture_non_power_of_two;
|
|
int glMajor, glMinor, glRevision;
|
|
int glForward, glDebug, glProfile;
|
|
|
|
PFNGLGETSTRINGIPROC GetStringi;
|
|
|
|
|
|
// ========= PLATFORM SPECIFIC PART ======================================
|
|
|
|
// Platform specific window resources
|
|
Colormap colormap; // Window colormap
|
|
Window window; // Window
|
|
Window root; // Root window for screen
|
|
int screen; // Screen ID
|
|
XVisualInfo *visual; // Visual for selected GLXFBConfig
|
|
GLXFBConfigID fbconfigID; // ID of selected GLXFBConfig
|
|
GLXContext context; // OpenGL rendering context
|
|
Atom wmDeleteWindow; // WM_DELETE_WINDOW atom
|
|
Atom wmPing; // _NET_WM_PING atom
|
|
Atom wmState; // _NET_WM_STATE atom
|
|
Atom wmStateFullscreen; // _NET_WM_STATE_FULLSCREEN atom
|
|
Atom wmActiveWindow; // _NET_ACTIVE_WINDOW atom
|
|
Cursor cursor; // Invisible cursor for hidden cursor
|
|
|
|
// GLX extensions
|
|
PFNGLXSWAPINTERVALSGIPROC SwapIntervalSGI;
|
|
PFNGLXGETFBCONFIGATTRIBSGIXPROC GetFBConfigAttribSGIX;
|
|
PFNGLXCHOOSEFBCONFIGSGIXPROC ChooseFBConfigSGIX;
|
|
PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC CreateContextWithConfigSGIX;
|
|
PFNGLXGETVISUALFROMFBCONFIGSGIXPROC GetVisualFromFBConfigSGIX;
|
|
PFNGLXCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
|
|
GLboolean has_GLX_SGIX_fbconfig;
|
|
GLboolean has_GLX_SGI_swap_control;
|
|
GLboolean has_GLX_ARB_multisample;
|
|
GLboolean has_GLX_ARB_create_context;
|
|
GLboolean has_GLX_ARB_create_context_profile;
|
|
|
|
// Various platform specific internal variables
|
|
GLboolean hasEWMH; // True if window manager supports EWMH
|
|
GLboolean overrideRedirect; // True if window is OverrideRedirect
|
|
GLboolean keyboardGrabbed; // True if keyboard is currently grabbed
|
|
GLboolean pointerGrabbed; // True if pointer is currently grabbed
|
|
GLboolean pointerHidden; // True if pointer is currently hidden
|
|
|
|
// Screensaver data
|
|
struct {
|
|
int changed;
|
|
int timeout;
|
|
int interval;
|
|
int blanking;
|
|
int exposure;
|
|
} Saver;
|
|
|
|
// Fullscreen data
|
|
struct {
|
|
int modeChanged;
|
|
#if defined( _GLFW_HAS_XF86VIDMODE )
|
|
XF86VidModeModeInfo oldMode;
|
|
#endif
|
|
#if defined( _GLFW_HAS_XRANDR )
|
|
SizeID oldSizeID;
|
|
int oldWidth;
|
|
int oldHeight;
|
|
Rotation oldRotation;
|
|
#endif
|
|
} FS;
|
|
};
|
|
|
|
GLFWGLOBAL _GLFWwin _glfwWin;
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
// User input status (most of this should go in _GLFWwin)
|
|
//------------------------------------------------------------------------
|
|
GLFWGLOBAL struct {
|
|
|
|
// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
|
|
|
|
// Mouse status
|
|
int MousePosX, MousePosY;
|
|
int WheelPos;
|
|
char MouseButton[ GLFW_MOUSE_BUTTON_LAST+1 ];
|
|
|
|
// Keyboard status
|
|
char Key[ GLFW_KEY_LAST+1 ];
|
|
int LastChar;
|
|
|
|
// User selected settings
|
|
int StickyKeys;
|
|
int StickyMouseButtons;
|
|
int KeyRepeat;
|
|
|
|
|
|
// ========= PLATFORM SPECIFIC PART ======================================
|
|
|
|
// Platform specific internal variables
|
|
int MouseMoved, CursorPosX, CursorPosY;
|
|
|
|
} _glfwInput;
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
// Library global data
|
|
//------------------------------------------------------------------------
|
|
GLFWGLOBAL struct {
|
|
|
|
// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
|
|
|
|
// Window opening hints
|
|
_GLFWhints hints;
|
|
|
|
// ========= PLATFORM SPECIFIC PART ======================================
|
|
|
|
Display *display;
|
|
|
|
// Server-side GLX version
|
|
int glxMajor, glxMinor;
|
|
|
|
struct {
|
|
int available;
|
|
int eventBase;
|
|
int errorBase;
|
|
} XF86VidMode;
|
|
|
|
struct {
|
|
int available;
|
|
int eventBase;
|
|
int errorBase;
|
|
} XRandR;
|
|
|
|
// Timer data
|
|
struct {
|
|
double resolution;
|
|
long long t0;
|
|
} Timer;
|
|
|
|
#if defined(_GLFW_DLOPEN_LIBGL)
|
|
struct {
|
|
void *libGL; // dlopen handle for libGL.so
|
|
} Libs;
|
|
#endif
|
|
} _glfwLibrary;
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
// Joystick information & state
|
|
//------------------------------------------------------------------------
|
|
GLFWGLOBAL struct {
|
|
int Present;
|
|
int fd;
|
|
int NumAxes;
|
|
int NumButtons;
|
|
float *Axis;
|
|
unsigned char *Button;
|
|
} _glfwJoy[ GLFW_JOYSTICK_LAST + 1 ];
|
|
|
|
|
|
//========================================================================
|
|
// Prototypes for platform specific internal functions
|
|
//========================================================================
|
|
|
|
// Time
|
|
void _glfwInitTimer( void );
|
|
|
|
// Fullscreen support
|
|
int _glfwGetClosestVideoMode( int screen, int *width, int *height, int *rate );
|
|
void _glfwSetVideoModeMODE( int screen, int mode, int rate );
|
|
void _glfwSetVideoMode( int screen, int *width, int *height, int *rate );
|
|
void _glfwRestoreVideoMode( void );
|
|
|
|
// Joystick input
|
|
void _glfwInitJoysticks( void );
|
|
void _glfwTerminateJoysticks( void );
|
|
|
|
// Unicode support
|
|
long _glfwKeySym2Unicode( KeySym keysym );
|
|
|
|
|
|
#endif // _platform_h_
|