314 lines
11 KiB
C
314 lines
11 KiB
C
//========================================================================
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// GLFW - An OpenGL framework
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// Platform: Any
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// API version: 3.0
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// WWW: http://www.glfw.org/
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#ifndef _internal_h_
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#define _internal_h_
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//========================================================================
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// GLFWGLOBAL is a macro that places all global variables in the init.c
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// module (all other modules reference global variables as 'extern')
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//========================================================================
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#if defined(_init_c_)
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#define GLFWGLOBAL
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#else
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#define GLFWGLOBAL extern
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#endif
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//========================================================================
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// Input handling definitions
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//========================================================================
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// Internal key and button state/action definitions
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#define GLFW_STICK 2
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//------------------------------------------------------------------------
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// Platform specific definitions goes in platform.h (which also includes
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// glfw.h)
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//------------------------------------------------------------------------
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#include "platform.h"
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//------------------------------------------------------------------------
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// Window hints, set by glfwOpenWindowHint and consumed by glfwOpenWindow
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// A bucket of semi-random stuff lumped together for historical reasons
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// This is used only by the platform independent code and only to store
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// parameters passed to us by glfwOpenWindowHint
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//------------------------------------------------------------------------
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typedef struct _GLFWhints
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{
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int redBits;
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int greenBits;
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int blueBits;
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int alphaBits;
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int depthBits;
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int stencilBits;
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int refreshRate;
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int accumRedBits;
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int accumGreenBits;
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int accumBlueBits;
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int accumAlphaBits;
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int auxBuffers;
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int stereo;
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int windowNoResize;
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int samples;
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int glMajor;
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int glMinor;
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int glForward;
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int glDebug;
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int glProfile;
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} _GLFWhints;
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//------------------------------------------------------------------------
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// Parameters relating to the creation of the context and window but not
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// directly related to the properties of the framebuffer
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// This is used to pass window and context creation parameters from the
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// platform independent code to the platform specific code
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//------------------------------------------------------------------------
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typedef struct _GLFWwndconfig
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{
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int mode;
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const char* title;
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int refreshRate;
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int windowNoResize;
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int glMajor;
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int glMinor;
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int glForward;
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int glDebug;
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int glProfile;
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} _GLFWwndconfig;
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//------------------------------------------------------------------------
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// Framebuffer configuration descriptor, i.e. buffers and their sizes
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// Also a platform specific ID used to map back to the actual backend APIs
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// This is used to pass framebuffer parameters from the platform independent
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// code to the platform specific code, and also to enumerate and select
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// available framebuffer configurations
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//------------------------------------------------------------------------
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typedef struct _GLFWfbconfig
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{
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int redBits;
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int greenBits;
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int blueBits;
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int alphaBits;
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int depthBits;
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int stencilBits;
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int accumRedBits;
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int accumGreenBits;
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int accumBlueBits;
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int accumAlphaBits;
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int auxBuffers;
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int stereo;
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int samples;
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GLFWintptr platformID;
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} _GLFWfbconfig;
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//------------------------------------------------------------------------
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// Window structure
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//------------------------------------------------------------------------
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typedef struct _GLFWwindow
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{
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struct _GLFWwindow* next;
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// User callback functions
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GLFWwindowsizefun windowSizeCallback;
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GLFWwindowclosefun windowCloseCallback;
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GLFWwindowrefreshfun windowRefreshCallback;
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GLFWmousebuttonfun mouseButtonCallback;
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GLFWmouseposfun mousePosCallback;
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GLFWmousewheelfun mouseWheelCallback;
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GLFWkeyfun keyCallback;
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GLFWcharfun charCallback;
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// Window settings and state
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GLboolean iconified; // GL_TRUE if this window is iconified
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GLboolean closed; // GL_TRUE if this window should be closed
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int width, height;
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int positionX, positionY;
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int mode; // GLFW_WINDOW or GLFW_FULLSCREEN
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GLboolean sysKeysDisabled; // system keys disabled flag
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GLboolean windowNoResize; // resize- and maximize gadgets disabled flag
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int refreshRate; // monitor refresh rate
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void* userPointer;
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// Window input state
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GLboolean stickyKeys;
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GLboolean stickyMouseButtons;
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GLboolean keyRepeat;
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int mousePosX, mousePosY;
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int wheelPos;
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char mouseButton[GLFW_MOUSE_BUTTON_LAST + 1];
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char key[GLFW_KEY_LAST + 1];
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// Framebuffer attributes
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int redBits;
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int greenBits;
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int blueBits;
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int alphaBits;
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int depthBits;
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int stencilBits;
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int accumRedBits;
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int accumGreenBits;
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int accumBlueBits;
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int accumAlphaBits;
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int auxBuffers;
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GLboolean stereo;
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int samples;
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// OpenGL extensions and context attributes
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GLboolean accelerated; // GL_TRUE if OpenGL context is "accelerated"
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int glMajor, glMinor, glRevision;
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int glForward, glDebug, glProfile;
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PFNGLGETSTRINGIPROC GetStringi;
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_GLFW_PLATFORM_WINDOW_STATE;
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_GLFW_PLATFORM_CONTEXT_STATE;
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} _GLFWwindow;
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//------------------------------------------------------------------------
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// Library global data
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//------------------------------------------------------------------------
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typedef struct _GLFWlibrary
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{
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_GLFWhints hints;
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_GLFWwindow* windowListHead;
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_GLFWwindow* currentWindow;
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_GLFWwindow* activeWindow;
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_GLFWwindow* cursorLockWindow;
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_GLFW_PLATFORM_LIBRARY_STATE;
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} _GLFWlibrary;
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//========================================================================
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// System independent global variables (GLFW internals)
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//========================================================================
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// Flag indicating if GLFW has been initialized
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#if defined(_init_c_)
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GLboolean _glfwInitialized = GL_FALSE;
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#else
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GLFWGLOBAL GLboolean _glfwInitialized;
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#endif
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GLFWGLOBAL _GLFWlibrary _glfwLibrary;
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//========================================================================
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// Prototypes for platform specific implementation functions
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//========================================================================
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// Init/terminate
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int _glfwPlatformInit(void);
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int _glfwPlatformTerminate(void);
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const char* _glfwPlatformGetVersionString(void);
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// Enable/Disable
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void _glfwPlatformEnableSystemKeys(_GLFWwindow* window);
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void _glfwPlatformDisableSystemKeys(_GLFWwindow* window);
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// Fullscreen
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int _glfwPlatformGetVideoModes(GLFWvidmode* list, int maxcount);
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void _glfwPlatformGetDesktopMode(GLFWvidmode* mode);
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// Joystick
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int _glfwPlatformGetJoystickParam(int joy, int param);
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int _glfwPlatformGetJoystickPos(int joy, float* pos, int numaxes);
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int _glfwPlatformGetJoystickButtons(int joy, unsigned char* buttons, int numbuttons);
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// Time
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double _glfwPlatformGetTime(void);
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void _glfwPlatformSetTime(double time);
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// Window management
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int _glfwPlatformOpenWindow(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, const _GLFWfbconfig* fbconfig);
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void _glfwPlatformMakeWindowCurrent(_GLFWwindow* window);
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void _glfwPlatformCloseWindow(_GLFWwindow* window);
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void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title);
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void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height);
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void _glfwPlatformSetWindowPos(_GLFWwindow* window, int x, int y);
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void _glfwPlatformIconifyWindow(_GLFWwindow* window);
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void _glfwPlatformRestoreWindow(_GLFWwindow* window);
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void _glfwPlatformHideMouseCursor(_GLFWwindow* window);
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void _glfwPlatformShowMouseCursor(_GLFWwindow* window);
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void _glfwPlatformSetMouseCursorPos(_GLFWwindow* window, int x, int y);
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// Event management
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void _glfwPlatformPollEvents(void);
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void _glfwPlatformWaitEvents(void);
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// OpenGL context management
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void _glfwPlatformSwapBuffers(void);
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void _glfwPlatformSwapInterval(int interval);
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void _glfwPlatformRefreshWindowParams(void);
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int _glfwPlatformExtensionSupported(const char* extension);
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void* _glfwPlatformGetProcAddress(const char* procname);
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//========================================================================
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// Prototypes for platform independent internal functions
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//========================================================================
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// Fullscren management (fullscreen.c)
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void _glfwSplitBPP(int bpp, int* red, int* green, int* blue);
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// Error handling
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void _glfwSetError(int error);
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// Window management (window.c)
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void _glfwClearWindowHints(void);
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// Input handling (window.c)
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void _glfwClearInput(_GLFWwindow* window);
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void _glfwInputDeactivation(_GLFWwindow* window);
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void _glfwInputKey(_GLFWwindow* window, int key, int action);
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void _glfwInputChar(_GLFWwindow* window, int character);
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void _glfwInputMouseClick(_GLFWwindow* window, int button, int action);
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// OpenGL extensions (glext.c)
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void _glfwParseGLVersion(int* major, int* minor, int* rev);
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int _glfwStringInExtensionString(const char* string, const GLubyte* extensions);
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// Framebuffer configs
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const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
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const _GLFWfbconfig* alternatives,
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unsigned int count);
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#endif // _internal_h_
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