mirror of
https://github.com/gwm17/glfw.git
synced 2024-11-27 04:28:52 -05:00
366 lines
13 KiB
C
366 lines
13 KiB
C
//========================================================================
|
|
// GLFW - An OpenGL library
|
|
// Platform: Any
|
|
// 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 _internal_h_
|
|
#define _internal_h_
|
|
|
|
//========================================================================
|
|
// GLFWGLOBAL is a macro that places all global variables in the init.c
|
|
// module (all other modules reference global variables as 'extern')
|
|
//========================================================================
|
|
|
|
#if defined(_init_c_)
|
|
#define GLFWGLOBAL
|
|
#else
|
|
#define GLFWGLOBAL extern
|
|
#endif
|
|
|
|
|
|
//========================================================================
|
|
// Input handling definitions
|
|
//========================================================================
|
|
|
|
// Internal key and button state/action definitions
|
|
#define GLFW_STICK 2
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
// Platform specific definitions goes in platform.h (which also includes
|
|
// glfw.h)
|
|
//------------------------------------------------------------------------
|
|
|
|
#include "config.h"
|
|
|
|
#include "../include/GL/glfw3.h"
|
|
|
|
// This path may need to be changed if you build GLFW using your own setup
|
|
// We ship and use our own copy of glext.h since GLFW uses fairly new
|
|
// extensions and not all operating systems come with an up-to-date version
|
|
#include "../support/GL/glext.h"
|
|
|
|
#if defined(_GLFW_COCOA_NSGL)
|
|
#include "cocoa_platform.h"
|
|
#elif defined(_GLFW_WIN32_WGL)
|
|
#include "win32_platform.h"
|
|
#elif defined(_GLFW_X11_GLX)
|
|
#include "x11_platform.h"
|
|
#else
|
|
#error "No supported platform selected"
|
|
#endif
|
|
|
|
typedef struct _GLFWhints _GLFWhints;
|
|
typedef struct _GLFWwndconfig _GLFWwndconfig;
|
|
typedef struct _GLFWfbconfig _GLFWfbconfig;
|
|
typedef struct _GLFWwindow _GLFWwindow;
|
|
typedef struct _GLFWlibrary _GLFWlibrary;
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
// Window hints, set by glfwOpenWindowHint and consumed by glfwOpenWindow
|
|
// A bucket of semi-random stuff lumped together for historical reasons
|
|
// This is used only by the platform independent code and only to store
|
|
// parameters passed to us by glfwOpenWindowHint
|
|
//------------------------------------------------------------------------
|
|
struct _GLFWhints
|
|
{
|
|
int redBits;
|
|
int greenBits;
|
|
int blueBits;
|
|
int alphaBits;
|
|
int depthBits;
|
|
int stencilBits;
|
|
int refreshRate;
|
|
int accumRedBits;
|
|
int accumGreenBits;
|
|
int accumBlueBits;
|
|
int accumAlphaBits;
|
|
int auxBuffers;
|
|
GLboolean stereo;
|
|
GLboolean resizable;
|
|
int samples;
|
|
int glMajor;
|
|
int glMinor;
|
|
GLboolean glForward;
|
|
GLboolean glDebug;
|
|
int glProfile;
|
|
int glRobustness;
|
|
};
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
// Parameters relating to the creation of the context and window but not
|
|
// directly related to the properties of the framebuffer
|
|
// This is used to pass window and context creation parameters from the
|
|
// platform independent code to the platform specific code
|
|
//------------------------------------------------------------------------
|
|
struct _GLFWwndconfig
|
|
{
|
|
int mode;
|
|
const char* title;
|
|
int refreshRate;
|
|
GLboolean resizable;
|
|
int glMajor;
|
|
int glMinor;
|
|
GLboolean glForward;
|
|
GLboolean glDebug;
|
|
int glProfile;
|
|
int glRobustness;
|
|
_GLFWwindow* share;
|
|
};
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
// Framebuffer configuration descriptor, i.e. buffers and their sizes
|
|
// Also a platform specific ID used to map back to the actual backend APIs
|
|
// This is used to pass framebuffer parameters from the platform independent
|
|
// code to the platform specific code, and also to enumerate and select
|
|
// available framebuffer configurations
|
|
//------------------------------------------------------------------------
|
|
struct _GLFWfbconfig
|
|
{
|
|
int redBits;
|
|
int greenBits;
|
|
int blueBits;
|
|
int alphaBits;
|
|
int depthBits;
|
|
int stencilBits;
|
|
int accumRedBits;
|
|
int accumGreenBits;
|
|
int accumBlueBits;
|
|
int accumAlphaBits;
|
|
int auxBuffers;
|
|
GLboolean stereo;
|
|
int samples;
|
|
GLFWintptr platformID;
|
|
};
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
// Window structure
|
|
//------------------------------------------------------------------------
|
|
struct _GLFWwindow
|
|
{
|
|
struct _GLFWwindow* next;
|
|
|
|
// Window settings and state
|
|
GLboolean iconified; // GL_TRUE if this window is iconified
|
|
GLboolean closeRequested; // GL_TRUE if this window should be closed
|
|
int width, height;
|
|
int positionX, positionY;
|
|
int mode; // GLFW_WINDOW or GLFW_FULLSCREEN
|
|
GLboolean resizable; // GL_TRUE if user may resize this window
|
|
int refreshRate; // monitor refresh rate
|
|
void* userPointer;
|
|
|
|
// Window input state
|
|
GLboolean stickyKeys;
|
|
GLboolean stickyMouseButtons;
|
|
GLboolean keyRepeat;
|
|
GLboolean sysKeysDisabled; // system keys disabled flag
|
|
int cursorPosX, cursorPosY;
|
|
int cursorMode;
|
|
int scrollX, scrollY;
|
|
char mouseButton[GLFW_MOUSE_BUTTON_LAST + 1];
|
|
char key[GLFW_KEY_LAST + 1];
|
|
|
|
// Framebuffer attributes
|
|
int redBits;
|
|
int greenBits;
|
|
int blueBits;
|
|
int alphaBits;
|
|
int depthBits;
|
|
int stencilBits;
|
|
int accumRedBits;
|
|
int accumGreenBits;
|
|
int accumBlueBits;
|
|
int accumAlphaBits;
|
|
int auxBuffers;
|
|
GLboolean stereo;
|
|
int samples;
|
|
|
|
// OpenGL extensions and context attributes
|
|
GLboolean accelerated; // GL_TRUE if OpenGL context is "accelerated"
|
|
int glMajor, glMinor, glRevision;
|
|
GLboolean glForward, glDebug;
|
|
int glProfile;
|
|
int glRobustness;
|
|
PFNGLGETSTRINGIPROC GetStringi;
|
|
|
|
// These are defined in the current port's platform.h
|
|
_GLFW_PLATFORM_WINDOW_STATE;
|
|
_GLFW_PLATFORM_CONTEXT_STATE;
|
|
};
|
|
|
|
|
|
//------------------------------------------------------------------------
|
|
// Library global data
|
|
//------------------------------------------------------------------------
|
|
struct _GLFWlibrary
|
|
{
|
|
_GLFWhints hints;
|
|
|
|
_GLFWwindow* windowListHead;
|
|
_GLFWwindow* currentWindow;
|
|
_GLFWwindow* activeWindow;
|
|
|
|
GLFWwindowsizefun windowSizeCallback;
|
|
GLFWwindowclosefun windowCloseCallback;
|
|
GLFWwindowrefreshfun windowRefreshCallback;
|
|
GLFWwindowfocusfun windowFocusCallback;
|
|
GLFWwindowiconifyfun windowIconifyCallback;
|
|
GLFWmousebuttonfun mouseButtonCallback;
|
|
GLFWmouseposfun mousePosCallback;
|
|
GLFWscrollfun scrollCallback;
|
|
GLFWkeyfun keyCallback;
|
|
GLFWcharfun charCallback;
|
|
|
|
GLFWthreadmodel threading;
|
|
GLFWallocator allocator;
|
|
|
|
GLFWgammaramp currentRamp;
|
|
GLFWgammaramp originalRamp;
|
|
int originalRampSize;
|
|
|
|
// This is defined in the current port's platform.h
|
|
_GLFW_PLATFORM_LIBRARY_STATE;
|
|
};
|
|
|
|
|
|
//========================================================================
|
|
// System independent global variables (GLFW internals)
|
|
//========================================================================
|
|
|
|
// Flag indicating if GLFW has been initialized
|
|
#if defined(_init_c_)
|
|
GLboolean _glfwInitialized = GL_FALSE;
|
|
#else
|
|
GLFWGLOBAL GLboolean _glfwInitialized;
|
|
#endif
|
|
|
|
GLFWGLOBAL _GLFWlibrary _glfwLibrary;
|
|
|
|
|
|
//========================================================================
|
|
// Prototypes for platform specific implementation functions
|
|
//========================================================================
|
|
|
|
// Init/terminate
|
|
int _glfwPlatformInit(void);
|
|
int _glfwPlatformTerminate(void);
|
|
const char* _glfwPlatformGetVersionString(void);
|
|
|
|
// Enable/Disable
|
|
void _glfwPlatformEnableSystemKeys(_GLFWwindow* window);
|
|
void _glfwPlatformDisableSystemKeys(_GLFWwindow* window);
|
|
|
|
// Fullscreen
|
|
int _glfwPlatformGetVideoModes(GLFWvidmode* list, int maxcount);
|
|
void _glfwPlatformGetDesktopMode(GLFWvidmode* mode);
|
|
|
|
// Gamma ramp
|
|
void _glfwPlatformGetGammaRamp(GLFWgammaramp* ramp);
|
|
void _glfwPlatformSetGammaRamp(const GLFWgammaramp* ramp);
|
|
|
|
// Joystick
|
|
int _glfwPlatformGetJoystickParam(int joy, int param);
|
|
int _glfwPlatformGetJoystickPos(int joy, float* pos, int numaxes);
|
|
int _glfwPlatformGetJoystickButtons(int joy, unsigned char* buttons, int numbuttons);
|
|
|
|
// Time
|
|
double _glfwPlatformGetTime(void);
|
|
void _glfwPlatformSetTime(double time);
|
|
|
|
// Window management
|
|
int _glfwPlatformOpenWindow(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, const _GLFWfbconfig* fbconfig);
|
|
void _glfwPlatformCloseWindow(_GLFWwindow* window);
|
|
void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title);
|
|
void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height);
|
|
void _glfwPlatformSetWindowPos(_GLFWwindow* window, int x, int y);
|
|
void _glfwPlatformIconifyWindow(_GLFWwindow* window);
|
|
void _glfwPlatformRestoreWindow(_GLFWwindow* window);
|
|
void _glfwPlatformSetMouseCursorPos(_GLFWwindow* window, int x, int y);
|
|
void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode);
|
|
|
|
// Event management
|
|
void _glfwPlatformPollEvents(void);
|
|
void _glfwPlatformWaitEvents(void);
|
|
|
|
// OpenGL context management
|
|
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window);
|
|
void _glfwPlatformSwapBuffers(void);
|
|
void _glfwPlatformSwapInterval(int interval);
|
|
void _glfwPlatformRefreshWindowParams(void);
|
|
int _glfwPlatformExtensionSupported(const char* extension);
|
|
void* _glfwPlatformGetProcAddress(const char* procname);
|
|
void _glfwPlatformCopyContext(_GLFWwindow* src, _GLFWwindow* dst, unsigned long mask);
|
|
|
|
|
|
//========================================================================
|
|
// Prototypes for platform independent internal functions
|
|
//========================================================================
|
|
|
|
// Memory management (init.c)
|
|
void* _glfwMalloc(size_t size);
|
|
void _glfwFree(void* ptr);
|
|
|
|
// Fullscren management (fullscreen.c)
|
|
void _glfwSplitBPP(int bpp, int* red, int* green, int* blue);
|
|
|
|
// Error handling (error.c)
|
|
void _glfwSetError(int error, const char* description);
|
|
|
|
// Window management (window.c)
|
|
void _glfwSetDefaultWindowHints(void);
|
|
|
|
// Window event notification (window.c)
|
|
void _glfwInputWindowFocus(_GLFWwindow* window, GLboolean activated);
|
|
void _glfwInputWindowPos(_GLFWwindow* window, int x, int y);
|
|
void _glfwInputWindowSize(_GLFWwindow* window, int width, int height);
|
|
void _glfwInputWindowIconify(_GLFWwindow* window, int iconified);
|
|
void _glfwInputWindowDamage(_GLFWwindow* window);
|
|
|
|
// Input event notification (input.c)
|
|
void _glfwInputKey(_GLFWwindow* window, int key, int action);
|
|
void _glfwInputChar(_GLFWwindow* window, int character);
|
|
void _glfwInputScroll(_GLFWwindow* window, int x, int y);
|
|
void _glfwInputMouseClick(_GLFWwindow* window, int button, int action);
|
|
void _glfwInputCursorMotion(_GLFWwindow* window, int x, int y);
|
|
|
|
// OpenGL context helpers (opengl.c)
|
|
int _glfwStringInExtensionString(const char* string, const GLubyte* extensions);
|
|
const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
|
|
const _GLFWfbconfig* alternatives,
|
|
unsigned int count);
|
|
GLboolean _glfwIsValidContextConfig(_GLFWwndconfig* wndconfig);
|
|
GLboolean _glfwIsValidContext(_GLFWwindow* window, _GLFWwndconfig* wndconfig);
|
|
|
|
|
|
#endif // _internal_h_
|