[cogl/fosdem-2012: 8/20] cogl-info: print out the chosen renderer name

[Robert Bragg <rbragg src gnome org>]

commit 8bda65686f02526a0e3b5352c5ba4623136a4abf
Author: Robert Bragg <robert linux intel com>
Date:   Fri Jan 13 16:46:07 2012 +0000

    cogl-info: print out the chosen renderer name
    
    This updates cogl-info to use cogl_renderer_get_winsys_id() so it can
    print out the name of the chosen renderer winsys.

 examples/cogl-info.c |   91 +++++++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 82 insertions(+), 9 deletions(-)
---
diff --git a/examples/cogl-info.c b/examples/cogl-info.c
index 6279db9..73b1d86 100644
--- a/examples/cogl-info.c
+++ b/examples/cogl-info.c
@@ -106,6 +106,57 @@ struct {
   }
 };
 
+struct {
+  CoglWinsysID id;
+  const char *name;
+} winsys_names[] =
+{
+  {
+    COGL_WINSYS_ID_STUB,
+    "Stub"
+  },
+  {
+    COGL_WINSYS_ID_GLX,
+    "GLX"
+  },
+  {
+    COGL_WINSYS_ID_EGL_XLIB,
+    "EGL + Xlib platform"
+  },
+  {
+    COGL_WINSYS_ID_EGL_NULL,
+    "EGL + NULL window system platform"
+  },
+  {
+    COGL_WINSYS_ID_EGL_GDL,
+    "EGL + GDL platform"
+  },
+  {
+    COGL_WINSYS_ID_EGL_WAYLAND,
+    "EGL + Wayland platform"
+  },
+  {
+    COGL_WINSYS_ID_EGL_KMS,
+    "EGL + KMS platform"
+  },
+  {
+    COGL_WINSYS_ID_EGL_ANDROID,
+    "EGL + Android platform"
+  },
+  {
+    COGL_WINSYS_ID_WGL,
+    "EGL + Windows WGL platform"
+  },
+  {
+    COGL_WINSYS_ID_SDL,
+    "EGL + SDL platform"
+  },
+  {
+    0,
+    NULL
+  }
+};
+
 static void
 feature_cb (CoglFeatureID feature, void *user_data)
 {
@@ -124,17 +175,39 @@ feature_cb (CoglFeatureID feature, void *user_data)
 int
 main (int argc, char **argv)
 {
-    CoglContext *ctx;
-    GError *error = NULL;
+  CoglRenderer *renderer;
+  CoglDisplay *display;
+  CoglContext *ctx;
+  GError *error = NULL;
+  CoglWinsysID winsys_id;
+  int i;
 
-    ctx = cogl_context_new (NULL, &error);
-    if (!ctx) {
-        fprintf (stderr, "Failed to create context: %s\n", error->message);
-        return 1;
+  ctx = cogl_context_new (NULL, &error);
+  if (!ctx) {
+      fprintf (stderr, "Failed to create context: %s\n", error->message);
+      return 1;
+  }
+
+  display = cogl_context_get_display (ctx);
+  renderer = cogl_display_get_renderer (display);
+  winsys_id = cogl_renderer_get_winsys_id (renderer);
+  for (i = 0; winsys_names[i].name; i++)
+    {
+      if (winsys_names[i].id == winsys_id)
+        {
+          g_print ("Renderer: %s\n\n", winsys_names[i].name);
+          break;
+        }
+    }
+
+  if (!winsys_names[i].name)
+    {
+      g_warning ("cogl-info needs updating: Unknown renderer");
+      g_print ("Renderer: Unknown\n\n");
     }
 
-    g_print ("Features:\n");
-    cogl_foreach_feature (ctx, feature_cb, NULL);
+  g_print ("Features:\n");
+  cogl_foreach_feature (ctx, feature_cb, NULL);
 
-    return 0;
+  return 0;
 }