nsgl_context.h 2.64 KB
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//========================================================================
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// GLFW 3.3 macOS - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2009-2019 Camilla Löwy <elmindreda@glfw.org>
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//
// 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.
//
//========================================================================

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// NOTE: Many Cocoa enum values have been renamed and we need to build across
//       SDK versions where one is unavailable or the other deprecated
//       We use the newer names in code and these macros to handle compatibility
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#if MAC_OS_X_VERSION_MAX_ALLOWED < 101400
 #define NSOpenGLContextParameterSwapInterval NSOpenGLCPSwapInterval
 #define NSOpenGLContextParameterSurfaceOpacity NSOpenGLCPSurfaceOpacity
#endif

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#define _GLFW_PLATFORM_CONTEXT_STATE            _GLFWcontextNSGL nsgl
#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE    _GLFWlibraryNSGL nsgl
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#define _GLFW_PLATFORM_USER_CONTEXT_STATE       _GLFWusercontextNSGL nsgl
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#include <stdatomic.h>

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// NSGL-specific per-context data
//
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typedef struct _GLFWcontextNSGL
{
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    id                pixelFormat;
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    id                object;
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} _GLFWcontextNSGL;

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// NSGL-specific per user context data
//
typedef struct _GLFWusercontextNSGL
{
    id                object;

} _GLFWusercontextNSGL;

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// NSGL-specific global data
//
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typedef struct _GLFWlibraryNSGL
{
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    // dlopen handle for OpenGL.framework (for glfwGetProcAddress)
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    CFBundleRef     framework;
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} _GLFWlibraryNSGL;


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GLFWbool _glfwInitNSGL(void);
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void _glfwTerminateNSGL(void);
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GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
                                const _GLFWctxconfig* ctxconfig,
                                const _GLFWfbconfig* fbconfig);
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void _glfwDestroyContextNSGL(_GLFWwindow* window);
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_GLFWusercontext* _glfwCreateUserContextNSGL(_GLFWwindow* window);
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