From ec410fb6fe4d42b3a8c8d1b569d48d70adc529b3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Camilla=20L=C3=B6wy?= <elmindreda@glfw.org>
Date: Mon, 2 Jan 2017 15:32:55 +0100
Subject: [PATCH] Cocoa: Enable EGL

---
 src/CMakeLists.txt   | 4 ++--
 src/cocoa_platform.h | 7 ++++---
 src/cocoa_window.m   | 6 ++++--
 src/egl_context.h    | 4 ++++
 4 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index dd50d8d7..43e88953 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -7,10 +7,10 @@ set(common_SOURCES context.c init.c input.c monitor.c vulkan.c window.c)
 
 if (_GLFW_COCOA)
     set(glfw_HEADERS ${common_HEADERS} cocoa_platform.h cocoa_joystick.h
-                     posix_tls.h nsgl_context.h)
+                     posix_tls.h nsgl_context.h egl_context.h)
     set(glfw_SOURCES ${common_SOURCES} cocoa_init.m cocoa_joystick.m
                      cocoa_monitor.m cocoa_window.m cocoa_time.c posix_tls.c
-                     nsgl_context.m)
+                     nsgl_context.m egl_context.c)
 elseif (_GLFW_WIN32)
     set(glfw_HEADERS ${common_HEADERS} win32_platform.h win32_joystick.h
                      wgl_context.h egl_context.h)
diff --git a/src/cocoa_platform.h b/src/cocoa_platform.h
index f6e357a8..6498619b 100644
--- a/src/cocoa_platform.h
+++ b/src/cocoa_platform.h
@@ -54,20 +54,21 @@ typedef VkResult (APIENTRY *PFN_vkCreateMacOSSurfaceMVK)(VkInstance,const VkMacO
 #include "posix_tls.h"
 #include "cocoa_joystick.h"
 #include "nsgl_context.h"
+#include "egl_context.h"
 
 #define _glfw_dlopen(name) dlopen(name, RTLD_LAZY | RTLD_LOCAL)
 #define _glfw_dlclose(handle) dlclose(handle)
 #define _glfw_dlsym(handle, name) dlsym(handle, name)
 
+#define _GLFW_EGL_NATIVE_WINDOW  ((EGLNativeWindowType) window->ns.view)
+#define _GLFW_EGL_NATIVE_DISPLAY EGL_DEFAULT_DISPLAY
+
 #define _GLFW_PLATFORM_WINDOW_STATE         _GLFWwindowNS  ns
 #define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryNS ns
 #define _GLFW_PLATFORM_LIBRARY_TIME_STATE   _GLFWtimeNS    ns_time
 #define _GLFW_PLATFORM_MONITOR_STATE        _GLFWmonitorNS ns
 #define _GLFW_PLATFORM_CURSOR_STATE         _GLFWcursorNS  ns
 
-#define _GLFW_EGL_CONTEXT_STATE
-#define _GLFW_EGL_LIBRARY_CONTEXT_STATE
-
 // HIToolbox.framework pointer typedefs
 #define kTISPropertyUnicodeKeyLayoutData _glfw.ns.tis.kPropertyUnicodeKeyLayoutData
 typedef TISInputSourceRef (*PFN_TISCopyCurrentKeyboardLayoutInputSource)(void);
diff --git a/src/cocoa_window.m b/src/cocoa_window.m
index ef46279b..4b48d85b 100644
--- a/src/cocoa_window.m
+++ b/src/cocoa_window.m
@@ -1082,8 +1082,10 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
         }
         else
         {
-            _glfwInputError(GLFW_API_UNAVAILABLE, "Cocoa: EGL not available");
-            return GLFW_FALSE;
+            if (!_glfwInitEGL())
+                return GLFW_FALSE;
+            if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
+                return GLFW_FALSE;
         }
     }
 
diff --git a/src/egl_context.h b/src/egl_context.h
index 219a6c51..e1040acd 100644
--- a/src/egl_context.h
+++ b/src/egl_context.h
@@ -34,6 +34,10 @@
  #define EGLAPIENTRY __stdcall
 typedef HDC EGLNativeDisplayType;
 typedef HWND EGLNativeWindowType;
+#elif defined(_GLFW_COCOA)
+ #define EGLAPIENTRY
+typedef void* EGLNativeDisplayType;
+typedef id EGLNativeWindowType;
 #elif defined(_GLFW_X11)
  #define EGLAPIENTRY
 typedef Display* EGLNativeDisplayType;