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82ca58da04
This fixes OpenGL swap interval (vsync) on macOS 10.14 Mojave by using CVDisplayLink to synchronise to the monitor refresh rate rather than setting NSOpenGLContextParameterSwapInterval. Solution based on advice provided by @rcgordon. Closes #1417.
65 lines
2.1 KiB
Objective-C
Executable File
65 lines
2.1 KiB
Objective-C
Executable File
//========================================================================
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// GLFW 3.3 macOS - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2009-2016 Camilla Löwy <elmindreda@glfw.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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#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextNSGL nsgl
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#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryNSGL nsgl
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#import <CoreVideo/CoreVideo.h>
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#include <stdatomic.h>
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// NSGL-specific per-context data
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//
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typedef struct _GLFWcontextNSGL
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{
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id pixelFormat;
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id object;
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CVDisplayLinkRef displayLink;
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atomic_int swapInterval;
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int swapIntervalsPassed;
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id swapIntervalCond;
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} _GLFWcontextNSGL;
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// NSGL-specific global data
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//
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typedef struct _GLFWlibraryNSGL
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{
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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,
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const _GLFWctxconfig* ctxconfig,
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const _GLFWfbconfig* fbconfig);
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void _glfwDestroyContextNSGL(_GLFWwindow* window);
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