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https://github.com/glfw/glfw.git
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126 lines
4.8 KiB
C
126 lines
4.8 KiB
C
//========================================================================
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// GLFW - An OpenGL library
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// Platform: X11/GLX
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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 _x11_glx_platform_h_
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#define _x11_glx_platform_h_
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#define GLX_GLXEXT_LEGACY
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#include <GL/glx.h>
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// This path may need to be changed if you build GLFW using your own setup
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// We ship and use our own copy of glext.h since GLFW uses fairly new
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// extensions and not all operating systems come with an up-to-date version
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#include "../support/GL/glext.h"
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// This path may need to be changed if you build GLFW using your own setup
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// We ship and use our own copy of glxext.h since GLFW uses fairly new
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// extensions and not all operating systems come with an up-to-date version
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#include "../support/GL/glxext.h"
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// Do we have support for dlopen/dlsym?
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#if defined(_GLFW_HAS_DLOPEN)
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#include <dlfcn.h>
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#endif
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// We support four different ways for getting addresses for GL/GLX
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// extension functions: glXGetProcAddress, glXGetProcAddressARB,
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// glXGetProcAddressEXT, and dlsym
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#if defined(_GLFW_HAS_GLXGETPROCADDRESSARB)
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#define _glfw_glXGetProcAddress(x) glXGetProcAddressARB(x)
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#elif defined(_GLFW_HAS_GLXGETPROCADDRESS)
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#define _glfw_glXGetProcAddress(x) glXGetProcAddress(x)
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#elif defined(_GLFW_HAS_GLXGETPROCADDRESSEXT)
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#define _glfw_glXGetProcAddress(x) glXGetProcAddressEXT(x)
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#elif defined(_GLFW_HAS_DLOPEN)
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#define _glfw_glXGetProcAddress(x) dlsym(_glfwLibrary.GLX.libGL, x)
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#define _GLFW_DLOPEN_LIBGL
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#else
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#error "No OpenGL entry point retrieval mechanism was enabled"
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#endif
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#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextGLX GLX
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#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryGLX GLX
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#define _GLFW_CTX GLX
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#ifndef GLX_MESA_swap_control
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typedef int (*PFNGLXSWAPINTERVALMESAPROC)(int);
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#endif
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//========================================================================
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// GLFW platform specific types
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//========================================================================
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//------------------------------------------------------------------------
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// Platform-specific OpenGL context structure
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//------------------------------------------------------------------------
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typedef struct _GLFWcontextGLX
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{
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GLXContext context; // OpenGL rendering context
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XVisualInfo* visual; // Visual for selected GLXFBConfig
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} _GLFWcontextGLX;
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//------------------------------------------------------------------------
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// Platform-specific library global data for GLX
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//------------------------------------------------------------------------
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typedef struct _GLFWlibraryGLX
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{
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// Server-side GLX version
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int majorVersion, minorVersion;
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// GLX extensions
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PFNGLXSWAPINTERVALSGIPROC SwapIntervalSGI;
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PFNGLXSWAPINTERVALEXTPROC SwapIntervalEXT;
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PFNGLXSWAPINTERVALMESAPROC SwapIntervalMESA;
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PFNGLXGETFBCONFIGATTRIBSGIXPROC GetFBConfigAttribSGIX;
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PFNGLXCHOOSEFBCONFIGSGIXPROC ChooseFBConfigSGIX;
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PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC CreateContextWithConfigSGIX;
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PFNGLXGETVISUALFROMFBCONFIGSGIXPROC GetVisualFromFBConfigSGIX;
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PFNGLXCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
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GLboolean SGIX_fbconfig;
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GLboolean SGI_swap_control;
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GLboolean EXT_swap_control;
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GLboolean MESA_swap_control;
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GLboolean ARB_multisample;
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GLboolean ARB_create_context;
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GLboolean ARB_create_context_profile;
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GLboolean ARB_create_context_robustness;
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GLboolean EXT_create_context_es2_profile;
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#if defined(_GLFW_DLOPEN_LIBGL)
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void* libGL; // dlopen handle for libGL.so
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#endif
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} _GLFWlibraryGLX;
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#endif // _x11_glx_platform_h_
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