Henri Verbeet : wined3d: Only create back-buffer views for swapchains with WINED3DUSAGE_RENDERTARGET set.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1567329f9159d436ab26738dfce96bc17fc9ee47
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=1567329f9159d436ab26738dfce96bc17fc9ee47

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Tue Mar 27 15:54:50 2018 +0430

wined3d: Only create back-buffer views for swapchains with WINED3DUSAGE_RENDERTARGET set.

Since without it the view wouldn't be usable.

Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/wined3d/device.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index b66b394..b17effe 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -1077,7 +1077,7 @@ HRESULT CDECL wined3d_device_init_3d(struct wined3d_device *device,
         goto err_out;
     }
 
-    if (swapchain_desc->backbuffer_count)
+    if (swapchain_desc->backbuffer_count && swapchain_desc->backbuffer_usage & WINED3DUSAGE_RENDERTARGET)
     {
         struct wined3d_resource *back_buffer = &swapchain->back_buffers[0]->resource;
         struct wined3d_view_desc view_desc;
@@ -1113,7 +1113,7 @@ HRESULT CDECL wined3d_device_init_3d(struct wined3d_device *device,
     TRACE("All defaults now set up.\n");
 
     /* Clear the screen */
-    if (swapchain->back_buffers && swapchain->back_buffers[0])
+    if (device->back_buffer_view)
         clear_flags |= WINED3DCLEAR_TARGET;
     if (swapchain_desc->enable_auto_depth_stencil)
         clear_flags |= WINED3DCLEAR_ZBUFFER | WINED3DCLEAR_STENCIL;
@@ -4893,7 +4893,7 @@ HRESULT CDECL wined3d_device_reset(struct wined3d_device *device,
         wined3d_rendertarget_view_decref(device->back_buffer_view);
         device->back_buffer_view = NULL;
     }
-    if (swapchain->desc.backbuffer_count)
+    if (swapchain->desc.backbuffer_count && swapchain->desc.backbuffer_usage & WINED3DUSAGE_RENDERTARGET)
     {
         struct wined3d_resource *back_buffer = &swapchain->back_buffers[0]->resource;