glfw/src/nsgl_context.h
2019-11-11 22:49:00 +01:00

72 lines
2.6 KiB
C

//========================================================================
// GLFW 3.4 macOS - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2009-2019 Camilla Löwy <elmindreda@glfw.org>
//
// 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.
//
//========================================================================
// 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
#if MAC_OS_X_VERSION_MAX_ALLOWED < 101400
#define NSOpenGLContextParameterSwapInterval NSOpenGLCPSwapInterval
#define NSOpenGLContextParameterSurfaceOpacity NSOpenGLCPSurfaceOpacity
#endif
#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextNSGL nsgl
#define _GLFW_PLATFORM_LIBRARY_CONTEXT_STATE _GLFWlibraryNSGL nsgl
#include <stdatomic.h>
// NSGL-specific per-context data
//
typedef struct _GLFWcontextNSGL
{
id pixelFormat;
id object;
CVDisplayLinkRef displayLink;
atomic_int swapInterval;
int swapIntervalsPassed;
id swapIntervalCond;
} _GLFWcontextNSGL;
// NSGL-specific global data
//
typedef struct _GLFWlibraryNSGL
{
// dlopen handle for OpenGL.framework (for glfwGetProcAddress)
CFBundleRef framework;
} _GLFWlibraryNSGL;
GLFWbool _glfwInitNSGL(void);
void _glfwTerminateNSGL(void);
GLFWbool _glfwCreateContextNSGL(_GLFWwindow* window,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig);
void _glfwDestroyContextNSGL(_GLFWwindow* window);
void _glfwUpdateDisplayLinkDisplayNSGL(_GLFWwindow* window);