From fc3335a4720398645895b5259e3bfc6b736fa235 Mon Sep 17 00:00:00 2001
From: Yiwei Zhang <zzyiwei@chromium.org>
Date: Mon, 5 Apr 2021 21:20:09 +0000
Subject: [PATCH] venus: properly enable WSI for different platforms

Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10112>
---
 src/virtio/vulkan/meson.build | 11 +++++++++--
 src/virtio/vulkan/vn_device.c |  4 ++++
 src/virtio/vulkan/vn_wsi.h    | 13 +++++++++++++
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/virtio/vulkan/meson.build b/src/virtio/vulkan/meson.build
index 7843b85cf01..ccc704180dc 100644
--- a/src/virtio/vulkan/meson.build
+++ b/src/virtio/vulkan/meson.build
@@ -38,7 +38,6 @@ libvn_files = files(
   'vn_ring.c',
   'vn_renderer_virtgpu.c',
   'vn_renderer_vtest.c',
-  'vn_wsi.c',
 )
 
 vn_deps = [
@@ -53,6 +52,14 @@ vn_flags = [
   no_override_init_args,
 ]
 
+vn_libs = []
+
+if with_platform_wayland or with_platform_x11
+  libvn_files += files('vn_wsi.c')
+  vn_flags += '-DVN_USE_WSI_PLATFORM'
+  vn_libs += libvulkan_wsi
+endif
+
 if with_platform_wayland
   libvn_files += files('vn_wsi_wayland.c')
   vn_deps += dep_wayland_client
@@ -74,7 +81,7 @@ libvulkan_virtio = shared_library(
   include_directories : [
     inc_include, inc_src, inc_vulkan_wsi, inc_virtio,
   ],
-  link_with : [libvulkan_wsi],
+  link_with : vn_libs,
   dependencies : [vn_deps],
   c_args : [vn_flags],
   link_args : [ld_args_bsymbolic, ld_args_gc_sections],
diff --git a/src/virtio/vulkan/vn_device.c b/src/virtio/vulkan/vn_device.c
index a92cc90b65e..6ad9806796f 100644
--- a/src/virtio/vulkan/vn_device.c
+++ b/src/virtio/vulkan/vn_device.c
@@ -39,9 +39,11 @@ static const struct vk_instance_extension_table
       .KHR_get_physical_device_properties2 = true,
 
       /* WSI */
+#ifdef VN_USE_WSI_PLATFORM
       .KHR_get_surface_capabilities2 = true,
       .KHR_surface = true,
       .KHR_surface_protected_capabilities = true,
+#endif
 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
       .KHR_wayland_surface = true,
 #endif
@@ -1404,9 +1406,11 @@ vn_physical_device_get_supported_extensions(
 {
    *supported = (struct vk_device_extension_table){
       /* WSI */
+#ifdef VN_USE_WSI_PLATFORM
       .KHR_incremental_present = true,
       .KHR_swapchain = true,
       .KHR_swapchain_mutable_format = true,
+#endif
    };
 
    *recognized = (struct vk_device_extension_table){
diff --git a/src/virtio/vulkan/vn_wsi.h b/src/virtio/vulkan/vn_wsi.h
index c49065f8455..efed0401b26 100644
--- a/src/virtio/vulkan/vn_wsi.h
+++ b/src/virtio/vulkan/vn_wsi.h
@@ -15,10 +15,23 @@
 
 #include "wsi_common.h"
 
+#ifdef VN_USE_WSI_PLATFORM
 VkResult
 vn_wsi_init(struct vn_physical_device *physical_dev);
 
 void
 vn_wsi_fini(struct vn_physical_device *physical_dev);
+#else
+static inline VkResult
+vn_wsi_init(UNUSED struct vn_physical_device *physical_dev)
+{
+   return VK_SUCCESS;
+}
+
+static inline void
+vn_wsi_fini(UNUSED struct vn_physical_device *physical_dev)
+{
+}
+#endif
 
 #endif /* VN_WSI_H */