Expose MGL interface through NaCl IRT

mojo/nacl/nonsfi/irt_mojo_nonsfi.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/nacl/nonsfi/irt_mojo_nonsfi.h"
 
 #include "mojo/public/c/system/functions.h"
+#include "mojo/public/platform/nacl/mgl_irt.h"
 #include "mojo/public/platform/nacl/mojo_irt.h"
 #include "native_client/src/public/irt_core.h"
 
 namespace {
 
 MojoHandle g_mojo_handle = MOJO_HANDLE_INVALID;
 
 MojoResult _MojoGetInitialHandle(MojoHandle* handle) {
   *handle = g_mojo_handle;
   return MOJO_RESULT_OK;
@@ skipping 14 matching lines @@
     MojoGetTimeTicksNow,
     MojoClose,
     MojoWait,
     MojoWaitMany,
     MojoCreateMessagePipe,
     MojoWriteMessage,
     MojoReadMessage,
     _MojoGetInitialHandle,
 };
 
+const struct nacl_irt_mgl kIrtMGL = {
+    MGLCreateContext,
+    MGLDestroyContext,
+    MGLMakeCurrent,
+    MGLGetCurrentContext,
+    MGLGetProcAddress,
+};
+
+const struct nacl_irt_mgl_onscreen kIrtMGLOnScreen = {
+    MGLResizeSurface,
+    MGLSwapBuffers,
+};
+
+const struct nacl_irt_mgl_signal_sync_point kIrtMGLSignalSyncPoint = {
+    MGLSignalSyncPoint,
+};
+
 const struct nacl_irt_interface kIrtInterfaces[] = {
-    {NACL_IRT_MOJO_v0_1, &kIrtMojo, sizeof(kIrtMojo), nullptr}};
+    {NACL_IRT_MOJO_v0_1, &kIrtMojo, sizeof(kIrtMojo), nullptr},
+    {NACL_IRT_MGL_v0_1, &kIrtMGL, sizeof(kIrtMGL), nullptr},
+    {NACL_IRT_MGL_ONSCREEN_v0_1, &kIrtMGLOnScreen, sizeof(kIrtMGLOnScreen),
+      nullptr},
+    {NACL_IRT_MGL_SIGNAL_SYNC_POINT_v0_1, &kIrtMGLSignalSyncPoint,
+      sizeof(kIrtMGLSignalSyncPoint), nullptr},
+};
 
 }  // namespace
 
 namespace nacl {
 
 void MojoSetInitialHandle(MojoHandle handle) {
   g_mojo_handle = handle;
 }
 
 size_t MojoIrtNonsfiQuery(const char* interface_ident,
                           void* table,
                           size_t tablesize) {
   size_t result = nacl_irt_query_list(interface_ident, table, tablesize,
                                       kIrtInterfaces, sizeof(kIrtInterfaces));
   if (result != 0)
     return result;
   return nacl_irt_query_core(interface_ident, table, tablesize);
 }
 
 }  // namespace nacl