From 79e16baca396d0748793b08fc31765eaf3991e7e Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Tue, 19 Dec 2017 19:04:28 +0100
Subject: [PATCH] Add wp_viewporter support

---
 src/CMakeLists.txt | 4 ++++
 src/wl_init.c      | 5 +++++
 src/wl_platform.h  | 2 ++
 3 files changed, 11 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f9a51533..f886ff21 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -43,6 +43,10 @@ elseif (_GLFW_WAYLAND)
         PROTOCOL
         "${WAYLAND_PROTOCOLS_PKGDATADIR}/stable/xdg-shell/xdg-shell.xml"
         BASENAME xdg-shell)
+    ecm_add_wayland_client_protocol(glfw_SOURCES
+        PROTOCOL
+        "${WAYLAND_PROTOCOLS_PKGDATADIR}/stable/viewporter/viewporter.xml"
+        BASENAME viewporter)
     ecm_add_wayland_client_protocol(glfw_SOURCES
         PROTOCOL
         "${WAYLAND_PROTOCOLS_PKGDATADIR}/unstable/relative-pointer/relative-pointer-unstable-v1.xml"
diff --git a/src/wl_init.c b/src/wl_init.c
index 3291fd5f..ecfe955f 100644
--- a/src/wl_init.c
+++ b/src/wl_init.c
@@ -558,6 +558,11 @@ static void registryHandleGlobal(void* data,
             wl_registry_bind(registry, name, &xdg_wm_base_interface, 1);
         xdg_wm_base_add_listener(_glfw.wl.wmBase, &wmBaseListener, NULL);
     }
+    else if (strcmp(interface, "wp_viewporter") == 0)
+    {
+        _glfw.wl.viewporter =
+            wl_registry_bind(registry, name, &wp_viewporter_interface, 1);
+    }
     else if (strcmp(interface, "zwp_relative_pointer_manager_v1") == 0)
     {
         _glfw.wl.relativePointerManager =
diff --git a/src/wl_platform.h b/src/wl_platform.h
index 5a130788..44f6f2d6 100644
--- a/src/wl_platform.h
+++ b/src/wl_platform.h
@@ -53,6 +53,7 @@ typedef VkBool32 (APIENTRY *PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR
 #include "osmesa_context.h"
 
 #include "wayland-xdg-shell-client-protocol.h"
+#include "wayland-viewporter-client-protocol.h"
 #include "wayland-relative-pointer-unstable-v1-client-protocol.h"
 #include "wayland-pointer-constraints-unstable-v1-client-protocol.h"
 #include "wayland-idle-inhibit-unstable-v1-client-protocol.h"
@@ -197,6 +198,7 @@ typedef struct _GLFWlibraryWayland
     struct wl_pointer*          pointer;
     struct wl_keyboard*         keyboard;
     struct xdg_wm_base*         wmBase;
+    struct wp_viewporter*       viewporter;
     struct zwp_relative_pointer_manager_v1* relativePointerManager;
     struct zwp_pointer_constraints_v1*      pointerConstraints;
     struct zwp_idle_inhibit_manager_v1*     idleInhibitManager;