1 //========================================================================
2 // GLFW 3.4 GLX - www.glfw.org
3 //------------------------------------------------------------------------
4 // Copyright (c) 2002-2006 Marcus Geelnard
5 // Copyright (c) 2006-2017 Camilla Löwy <elmindreda@glfw.org>
7 // This software is provided 'as-is', without any express or implied
8 // warranty. In no event will the authors be held liable for any damages
9 // arising from the use of this software.
11 // Permission is granted to anyone to use this software for any purpose,
12 // including commercial applications, and to alter it and redistribute it
13 // freely, subject to the following restrictions:
15 // 1. The origin of this software must not be misrepresented; you must not
16 // claim that you wrote the original software. If you use this software
17 // in a product, an acknowledgment in the product documentation would
18 // be appreciated but is not required.
20 // 2. Altered source versions must be plainly marked as such, and must not
21 // be misrepresented as being the original software.
23 // 3. This notice may not be removed or altered from any source
26 //========================================================================
29 #define GLX_RGBA_BIT 0x00000001
30 #define GLX_WINDOW_BIT 0x00000001
31 #define GLX_DRAWABLE_TYPE 0x8010
32 #define GLX_RENDER_TYPE 0x8011
33 #define GLX_RGBA_TYPE 0x8014
34 #define GLX_DOUBLEBUFFER 5
36 #define GLX_AUX_BUFFERS 7
37 #define GLX_RED_SIZE 8
38 #define GLX_GREEN_SIZE 9
39 #define GLX_BLUE_SIZE 10
40 #define GLX_ALPHA_SIZE 11
41 #define GLX_DEPTH_SIZE 12
42 #define GLX_STENCIL_SIZE 13
43 #define GLX_ACCUM_RED_SIZE 14
44 #define GLX_ACCUM_GREEN_SIZE 15
45 #define GLX_ACCUM_BLUE_SIZE 16
46 #define GLX_ACCUM_ALPHA_SIZE 17
47 #define GLX_SAMPLES 0x186a1
48 #define GLX_VISUAL_ID 0x800b
50 #define GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20b2
51 #define GLX_CONTEXT_DEBUG_BIT_ARB 0x00000001
52 #define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
53 #define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
54 #define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
55 #define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
56 #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
57 #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
58 #define GLX_CONTEXT_FLAGS_ARB 0x2094
59 #define GLX_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004
60 #define GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB 0x00000004
61 #define GLX_LOSE_CONTEXT_ON_RESET_ARB 0x8252
62 #define GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
63 #define GLX_NO_RESET_NOTIFICATION_ARB 0x8261
64 #define GLX_CONTEXT_RELEASE_BEHAVIOR_ARB 0x2097
65 #define GLX_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB 0
66 #define GLX_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB 0x2098
67 #define GLX_CONTEXT_OPENGL_NO_ERROR_ARB 0x31b3
69 typedef XID GLXWindow;
70 typedef XID GLXDrawable;
71 typedef struct __GLXFBConfig* GLXFBConfig;
72 typedef struct __GLXcontext* GLXContext;
73 typedef void (*__GLXextproc)(void);
75 typedef int (*PFNGLXGETFBCONFIGATTRIBPROC)(Display*,GLXFBConfig,int,int*);
76 typedef const char* (*PFNGLXGETCLIENTSTRINGPROC)(Display*,int);
77 typedef Bool (*PFNGLXQUERYEXTENSIONPROC)(Display*,int*,int*);
78 typedef Bool (*PFNGLXQUERYVERSIONPROC)(Display*,int*,int*);
79 typedef void (*PFNGLXDESTROYCONTEXTPROC)(Display*,GLXContext);
80 typedef Bool (*PFNGLXMAKECURRENTPROC)(Display*,GLXDrawable,GLXContext);
81 typedef void (*PFNGLXSWAPBUFFERSPROC)(Display*,GLXDrawable);
82 typedef const char* (*PFNGLXQUERYEXTENSIONSSTRINGPROC)(Display*,int);
83 typedef GLXFBConfig* (*PFNGLXGETFBCONFIGSPROC)(Display*,int,int*);
84 typedef GLXContext (*PFNGLXCREATENEWCONTEXTPROC)(Display*,GLXFBConfig,int,GLXContext,Bool);
85 typedef __GLXextproc (* PFNGLXGETPROCADDRESSPROC)(const GLubyte *procName);
86 typedef void (*PFNGLXSWAPINTERVALEXTPROC)(Display*,GLXDrawable,int);
87 typedef XVisualInfo* (*PFNGLXGETVISUALFROMFBCONFIGPROC)(Display*,GLXFBConfig);
88 typedef GLXWindow (*PFNGLXCREATEWINDOWPROC)(Display*,GLXFBConfig,Window,const int*);
89 typedef void (*PFNGLXDESTROYWINDOWPROC)(Display*,GLXWindow);
91 typedef int (*PFNGLXSWAPINTERVALMESAPROC)(int);
92 typedef int (*PFNGLXSWAPINTERVALSGIPROC)(int);
93 typedef GLXContext (*PFNGLXCREATECONTEXTATTRIBSARBPROC)(Display*,GLXFBConfig,GLXContext,Bool,const int*);
95 // libGL.so function pointer typedefs
96 #define glXGetFBConfigs _glfw.glx.GetFBConfigs
97 #define glXGetFBConfigAttrib _glfw.glx.GetFBConfigAttrib
98 #define glXGetClientString _glfw.glx.GetClientString
99 #define glXQueryExtension _glfw.glx.QueryExtension
100 #define glXQueryVersion _glfw.glx.QueryVersion
101 #define glXDestroyContext _glfw.glx.DestroyContext
102 #define glXMakeCurrent _glfw.glx.MakeCurrent
103 #define glXSwapBuffers _glfw.glx.SwapBuffers
104 #define glXQueryExtensionsString _glfw.glx.QueryExtensionsString
105 #define glXCreateNewContext _glfw.glx.CreateNewContext
106 #define glXGetVisualFromFBConfig _glfw.glx.GetVisualFromFBConfig
107 #define glXCreateWindow _glfw.glx.CreateWindow
108 #define glXDestroyWindow _glfw.glx.DestroyWindow
110 #define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextGLX glx
111 #define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryGLX glx
114 // GLX-specific per-context data
116 typedef struct _GLFWcontextGLX
123 // GLX-specific global data
125 typedef struct _GLFWlibraryGLX
131 // dlopen handle for libGL.so.1
135 PFNGLXGETFBCONFIGSPROC GetFBConfigs;
136 PFNGLXGETFBCONFIGATTRIBPROC GetFBConfigAttrib;
137 PFNGLXGETCLIENTSTRINGPROC GetClientString;
138 PFNGLXQUERYEXTENSIONPROC QueryExtension;
139 PFNGLXQUERYVERSIONPROC QueryVersion;
140 PFNGLXDESTROYCONTEXTPROC DestroyContext;
141 PFNGLXMAKECURRENTPROC MakeCurrent;
142 PFNGLXSWAPBUFFERSPROC SwapBuffers;
143 PFNGLXQUERYEXTENSIONSSTRINGPROC QueryExtensionsString;
144 PFNGLXCREATENEWCONTEXTPROC CreateNewContext;
145 PFNGLXGETVISUALFROMFBCONFIGPROC GetVisualFromFBConfig;
146 PFNGLXCREATEWINDOWPROC CreateWindow;
147 PFNGLXDESTROYWINDOWPROC DestroyWindow;
149 // GLX 1.4 and extension functions
150 PFNGLXGETPROCADDRESSPROC GetProcAddress;
151 PFNGLXGETPROCADDRESSPROC GetProcAddressARB;
152 PFNGLXSWAPINTERVALSGIPROC SwapIntervalSGI;
153 PFNGLXSWAPINTERVALEXTPROC SwapIntervalEXT;
154 PFNGLXSWAPINTERVALMESAPROC SwapIntervalMESA;
155 PFNGLXCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
156 GLFWbool SGI_swap_control;
157 GLFWbool EXT_swap_control;
158 GLFWbool MESA_swap_control;
159 GLFWbool ARB_multisample;
160 GLFWbool ARB_framebuffer_sRGB;
161 GLFWbool EXT_framebuffer_sRGB;
162 GLFWbool ARB_create_context;
163 GLFWbool ARB_create_context_profile;
164 GLFWbool ARB_create_context_robustness;
165 GLFWbool EXT_create_context_es2_profile;
166 GLFWbool ARB_create_context_no_error;
167 GLFWbool ARB_context_flush_control;
171 GLFWbool _glfwInitGLX(void);
172 void _glfwTerminateGLX(void);
173 GLFWbool _glfwCreateContextGLX(_GLFWwindow* window,
174 const _GLFWctxconfig* ctxconfig,
175 const _GLFWfbconfig* fbconfig);
176 void _glfwDestroyContextGLX(_GLFWwindow* window);
177 GLFWbool _glfwChooseVisualGLX(const _GLFWwndconfig* wndconfig,
178 const _GLFWctxconfig* ctxconfig,
179 const _GLFWfbconfig* fbconfig,
180 Visual** visual, int* depth);