From 4295b77582a0ee57ce79e207cfab03ecfd0503ef Mon Sep 17 00:00:00 2001
From: BrandonSchaefer <brandontschaefer@gmail.com>
Date: Thu, 6 Nov 2014 00:23:02 -0800
Subject: [PATCH] Set up the Mir connection.

Set up the first of the Mir surface.
---
 src/mir_init.c     | 17 +++++++++++-
 src/mir_monitor.c  |  6 +++-
 src/mir_platform.h | 12 ++++++--
 src/mir_window.c   | 69 +++++++++++++++++++++++++++++++++++++++++++++-
 4 files changed, 99 insertions(+), 5 deletions(-)

diff --git a/src/mir_init.c b/src/mir_init.c
index 7702b8fe..139757e3 100644
--- a/src/mir_init.c
+++ b/src/mir_init.c
@@ -6,11 +6,26 @@
 
 int _glfwPlatformInit(void)
 {
-  return 0;
+    _glfw.mir.connection = mir_connect_sync(NULL, __PRETTY_FUNCTION__);
+
+    if (!mir_connection_is_valid(_glfw.mir.connection))
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Mir: Unable to connect to Server\n");
+        return GL_FALSE;
+    }
+
+    _glfw.mir.native_display = mir_connection_get_egl_native_display(_glfw.mir.connection);
+
+    // TODO Add in bits to get the correct monitors and screen sizes...
+    // Ill just hard code in my own right now to jump ahead to surface and events.
+
+    return GL_TRUE;
 }
 
 void _glfwPlatformTerminate(void)
 {
+    mir_connection_release(_glfw.mir.connection);
 }
 
 const char* _glfwPlatformGetVersionString(void)
diff --git a/src/mir_monitor.c b/src/mir_monitor.c
index e744b496..13fd3d50 100644
--- a/src/mir_monitor.c
+++ b/src/mir_monitor.c
@@ -1,6 +1,7 @@
 #include "internal.h"
 
 #include <stdio.h>
+#include <stdlib.h>
 
 //////////////////////////////////////////////////////////////////////////
 //////                       GLFW platform API                      //////
@@ -8,7 +9,10 @@
 
 _GLFWmonitor** _glfwPlatformGetMonitors(int* count)
 {
-  return NULL;
+  // FIXME Work out the best way to get this from mir, as we'll end up looping
+  // through all of that info... best to store it before we get here.
+  _GLFWmonitor** monitors = calloc(1, sizeof(_GLFWmonitor*));
+  return monitors;
 }
 
 GLboolean _glfwPlatformIsSameMonitor(_GLFWmonitor* first, _GLFWmonitor* second)
diff --git a/src/mir_platform.h b/src/mir_platform.h
index c00c8c65..882240d4 100644
--- a/src/mir_platform.h
+++ b/src/mir_platform.h
@@ -13,8 +13,8 @@
  #error "The Mir backend depends on EGL platform support"
 #endif
 
-#define _GLFW_EGL_NATIVE_WINDOW         NULL
-#define _GLFW_EGL_NATIVE_DISPLAY        NULL
+#define _GLFW_EGL_NATIVE_WINDOW  window->mir.native_window
+#define _GLFW_EGL_NATIVE_DISPLAY _glfw.mir.native_display
 
 #define _GLFW_PLATFORM_WINDOW_STATE         _GLFWwindowMir  mir;
 #define _GLFW_PLATFORM_MONITOR_STATE        _GLFWmonitorMir mir;
@@ -23,6 +23,11 @@
 
 typedef struct _GLFWwindowMir
 {
+  MirSurface* surface;
+
+  EGLSurface egl_surface;
+  MirEGLNativeWindowType  native_window;
+
 } _GLFWwindowMir;
 
 typedef struct _GLFWmonitorMir
@@ -33,6 +38,9 @@ typedef struct _GLFWlibraryMir
 {
   MirConnection* connection;
 
+  MirEGLNativeDisplayType native_display;
+
+
 } _GLFWlibraryMir;
 
 typedef struct _GLFWcursorMir
diff --git a/src/mir_window.c b/src/mir_window.c
index eb7bd4c6..7c742d61 100644
--- a/src/mir_window.c
+++ b/src/mir_window.c
@@ -1,5 +1,31 @@
 #include "internal.h"
 
+MirPixelFormat FindValidPixelFormat()
+{
+    unsigned int pf_size = 32;
+    unsigned int valid_formats;
+    unsigned int f;
+
+    MirPixelFormat formats[pf_size];
+    mir_connection_get_available_surface_formats(_glfw.mir.connection, formats,
+                                                 pf_size, &valid_formats);
+
+    for (f = 0; f < valid_formats; f++)
+    {
+        MirPixelFormat cur_pf = formats[f];
+
+        if (cur_pf == mir_pixel_format_abgr_8888 ||
+            cur_pf == mir_pixel_format_xbgr_8888 ||
+            cur_pf == mir_pixel_format_argb_8888 ||
+            cur_pf == mir_pixel_format_xrgb_8888)
+        {
+            return cur_pf;
+        }
+    }
+
+    return mir_pixel_format_invalid;
+}
+
 //////////////////////////////////////////////////////////////////////////
 //////                       GLFW platform API                      //////
 //////////////////////////////////////////////////////////////////////////
@@ -9,7 +35,48 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
                               const _GLFWctxconfig* ctxconfig,
                               const _GLFWfbconfig* fbconfig)
 {
-  return 0;
+    if (!_glfwCreateContext(window, ctxconfig, fbconfig))
+        return GL_FALSE;
+
+    MirSurfaceParameters params = 
+    {
+        .name         = "MirSurface",
+        .width        = 1600,
+        .height       = 900,
+        .pixel_format = mir_pixel_format_invalid,
+        .buffer_usage = mir_buffer_usage_hardware,
+        .output_id    = mir_display_output_id_invalid
+    };
+
+/*  // Add the HandleInput function somewhere... to handle events from the windows
+    MirEventDelegate delegate =
+    {
+        HandleInput,
+        NULL
+    };
+
+    mir_surface_set_event_handler(window->mir.surface, &delegate);
+*/
+
+    params.pixel_format = FindValidPixelFormat();
+    if (params.pixel_format == mir_pixel_format_invalid)
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Mir: Unable to find a correct pixel format!\n");
+        return GL_FALSE;
+    }
+
+    window->mir.surface = mir_connection_create_surface_sync(_glfw.mir.connection, &params);
+    if (!mir_surface_is_valid(window->mir.surface))
+    {
+        _glfwInputError(GLFW_PLATFORM_ERROR,
+                        "Mir: Unable to create surface!\n");
+        return GL_FALSE;
+    }
+
+    window->mir.native_window = mir_surface_get_egl_native_window(window->mir.surface);
+
+    return GL_TRUE;
 }
 
 void _glfwPlatformDestroyWindow(_GLFWwindow* window)