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97 lines
3.3 KiB
C
97 lines
3.3 KiB
C
//========================================================================
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// GLFW - An OpenGL library
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// Platform: EGL
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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 _egl_platform_h_
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#define _egl_platform_h_
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#include <EGL/egl.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 eglext.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/EGL/eglext.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 two different ways for getting addresses for EGL
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// extension functions: eglGetProcAddress and dlsym
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#if defined(_GLFW_HAS_EGLGETPROCADDRESS)
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#define _glfw_eglGetProcAddress(x) eglGetProcAddress(x)
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#elif defined(_GLFW_HAS_DLOPEN)
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#define _glfw_eglGetProcAddress(x) dlsym(_glfwLibrary.EGL.libEGL, x)
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#define _GLFW_DLOPEN_LIBEGL
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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 _GLFWcontextEGL EGL
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#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryEGL EGL
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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 _GLFWcontextEGL
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{
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EGLConfig config;
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EGLContext context;
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EGLSurface surface;
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#if defined(_GLFW_X11)
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XVisualInfo* visual;
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#endif
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} _GLFWcontextEGL;
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//------------------------------------------------------------------------
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// Platform-specific library global data for EGL
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//------------------------------------------------------------------------
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typedef struct _GLFWlibraryEGL
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{
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EGLDisplay display;
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EGLint majorVersion, minorVersion;
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GLboolean KHR_create_context;
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#if defined(_GLFW_DLOPEN_LIBEGL)
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void* libEGL; // dlopen handle for libEGL.so
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#endif
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} _GLFWlibraryEGL;
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#endif // _egl_platform_h_
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