From cfb7d2f036ced45bb34612a462cf1e88af4c9e38 Mon Sep 17 00:00:00 2001
From: BrandonSchaefer <brandontschaefer@gmail.com>
Date: Thu, 6 Nov 2014 00:15:37 -0800
Subject: [PATCH] Start with the skeleton code for Mir support.

---
 CMakeLists.txt       | 29 +++++++++++++++++++++++++++++
 src/CMakeLists.txt   |  5 +++++
 src/glfw_config.h.in |  2 ++
 src/internal.h       |  2 ++
 4 files changed, 38 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa57cc67..be1c6b66 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,6 +33,7 @@ endif()
 
 if (UNIX AND NOT APPLE)
     option(GLFW_USE_WAYLAND "Use Wayland for context creation (implies EGL as well)" OFF)
+    option(GLFW_USE_MIR     "Use Mir for context creation (implies EGL as well)" OFF)
 endif()
 
 if (MSVC)
@@ -45,6 +46,8 @@ endif()
 
 if (GLFW_USE_WAYLAND)
     set(GLFW_USE_EGL ON)
+elseif (GLFW_USE_MIR)
+    set(GLFW_USE_EGL ON)
 endif()
 
 if (GLFW_USE_EGL)
@@ -174,6 +177,9 @@ elseif (UNIX)
     if (GLFW_USE_WAYLAND)
         set(_GLFW_WAYLAND 1)
         message(STATUS "Using Wayland for window creation")
+    elseif (GLFW_USE_MIR)
+        set(_GLFW_MIR 1)
+        message(STATUS "Using Mir for window creation")
     else()
         set(_GLFW_X11 1)
         message(STATUS "Using X11 for window creation")
@@ -343,6 +349,29 @@ if (_GLFW_WAYLAND)
     endif()
 endif()
 
+#--------------------------------------------------------------------
+# Use Mir for window creation
+#--------------------------------------------------------------------
+if (_GLFW_MIR)
+    find_package(Mir REQUIRED)
+    set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} mirclient")
+
+    list(APPEND glfw_INCLUDE_DIRS "${MIR_INCLUDE_DIR}")
+    list(APPEND glfw_LIBRARIES "${MIR_LIBRARIES}" "${CMAKE_THREAD_LIBS_INIT}")
+
+    find_package(XKBCommon REQUIRED)
+    set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xkbcommon")
+    list(APPEND glfw_INCLUDE_DIRS "${XKBCOMMON_INCLUDE_DIRS}")
+    list(APPEND glfw_LIBRARIES "${XKBCOMMON_LIBRARY}")
+
+    find_library(MATH_LIBRARY m)
+    mark_as_advanced(MATH_LIBRARY)
+    if (MATH_LIBRARY)
+        list(APPEND glfw_LIBRARIES "${MATH_LIBRARY}")
+        set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lm")
+    endif()
+endif()
+
 #--------------------------------------------------------------------
 # Use GLX for context creation
 #--------------------------------------------------------------------
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e006a8f1..9ba9fc56 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -30,6 +30,11 @@ elseif (_GLFW_WAYLAND)
                      posix_time.h posix_tls.h xkb_unicode.h)
     set(glfw_SOURCES ${common_SOURCES} wl_init.c wl_monitor.c wl_window.c
                      linux_joystick.c posix_time.c posix_tls.c xkb_unicode.c)
+elseif (_GLFW_MIR)
+    set(glfw_HEADERS ${common_HEADERS} mir_platform.h linux_joystick.h
+                     posix_time.h posix_tls.h xkb_unicode.h)
+    set(glfw_SOURCES ${common_SOURCES} mir_init.c mir_monitor.c mir_window.c
+                     linux_joystick.c posix_time.c posix_tls.c xkb_unicode.c)
 endif()
 
 if (_GLFW_EGL)
diff --git a/src/glfw_config.h.in b/src/glfw_config.h.in
index 11c2aa76..485cac58 100644
--- a/src/glfw_config.h.in
+++ b/src/glfw_config.h.in
@@ -42,6 +42,8 @@
 #cmakedefine _GLFW_COCOA
 // Define this to 1 if building GLFW for Wayland
 #cmakedefine _GLFW_WAYLAND
+// Define this to 1 if building GLFW for Mir
+#cmakedefine _GLFW_MIR
 
 // Define this to 1 if building GLFW for EGL
 #cmakedefine _GLFW_EGL
diff --git a/src/internal.h b/src/internal.h
index 62504e4f..0565256c 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -74,6 +74,8 @@ typedef struct _GLFWcursor      _GLFWcursor;
  #include "x11_platform.h"
 #elif defined(_GLFW_WAYLAND)
  #include "wl_platform.h"
+#elif defined(_GLFW_MIR)
+ #include "mir_platform.h"
 #else
  #error "No supported window creation API selected"
 #endif