Matteo Bruni : d3d9: Release system memory wined3d buffer only after the draw buffer is destroyed.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: a7bbfcbe40625eb6f778c55029bf521c637f30c0
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=a7bbfcbe40625eb6f778c5502...

Author: Matteo Bruni 
Date:   Wed Feb 27 18:30:08 2019 +0100

d3d9: Release system memory wined3d buffer only after the draw buffer is destroyed.

Signed-off-by: Matteo Bruni 
Signed-off-by: Henri Verbeet 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit 7052e8e390b5998ff0c7870504dd499c59299f4b)
Signed-off-by: Michael Stefaniuc

---

dlls/d3d9/buffer.c | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/dlls/d3d9/buffer.c b/dlls/d3d9/buffer.c
index 840d7e9..0ea7b55 100644
--- a/dlls/d3d9/buffer.c
+++ b/dlls/d3d9/buffer.c
@@ -58,9 +58,10 @@ static ULONG WINAPI d3d9_vertexbuffer_AddRef(IDirect3DVertexBuffer9 *iface)
     {
         IDirect3DDevice9Ex_AddRef(buffer->parent_device);
         wined3d_mutex_lock();
-        wined3d_buffer_incref(buffer->wined3d_buffer);
         if (buffer->draw_buffer)
             wined3d_buffer_incref(buffer->draw_buffer);
+        else
+            wined3d_buffer_incref(buffer->wined3d_buffer);
         wined3d_mutex_unlock();
     }

@@ -80,9 +81,10 @@ static ULONG WINAPI d3d9_vertexbuffer_Release(IDirect3DVertexBuffer9 *iface)
         IDirect3DDevice9Ex *device = buffer->parent_device;

wined3d_mutex_lock();
-        wined3d_buffer_decref(buffer->wined3d_buffer);
         if (draw_buffer)
             wined3d_buffer_decref(draw_buffer);
+        else
+            wined3d_buffer_decref(buffer->wined3d_buffer);
         wined3d_mutex_unlock();

/* Release the device last, as it may cause the device to be destroyed. */
@@ -267,6 +269,9 @@ static const IDirect3DVertexBuffer9Vtbl d3d9_vertexbuffer_vtbl =
 static void STDMETHODCALLTYPE d3d9_vertexbuffer_wined3d_object_destroyed(void *parent)
 {
     struct d3d9_vertexbuffer *buffer = parent;
+
+    if (buffer->draw_buffer)
+        wined3d_buffer_decref(buffer->wined3d_buffer);
     d3d9_resource_cleanup(&buffer->resource);
     heap_free(buffer);
 }
@@ -384,9 +389,10 @@ static ULONG WINAPI d3d9_indexbuffer_AddRef(IDirect3DIndexBuffer9 *iface)
     {
         IDirect3DDevice9Ex_AddRef(buffer->parent_device);
         wined3d_mutex_lock();
-        wined3d_buffer_incref(buffer->wined3d_buffer);
         if (buffer->draw_buffer)
             wined3d_buffer_incref(buffer->draw_buffer);
+        else
+            wined3d_buffer_incref(buffer->wined3d_buffer);
         wined3d_mutex_unlock();
     }

@@ -406,9 +412,10 @@ static ULONG WINAPI d3d9_indexbuffer_Release(IDirect3DIndexBuffer9 *iface)
         IDirect3DDevice9Ex *device = buffer->parent_device;

wined3d_mutex_lock();
-        wined3d_buffer_decref(buffer->wined3d_buffer);
         if (draw_buffer)
             wined3d_buffer_decref(draw_buffer);
+        else
+            wined3d_buffer_decref(buffer->wined3d_buffer);
         wined3d_mutex_unlock();

/* Release the device last, as it may cause the device to be destroyed. */
@@ -591,6 +598,9 @@ static const IDirect3DIndexBuffer9Vtbl d3d9_indexbuffer_vtbl =
 static void STDMETHODCALLTYPE d3d9_indexbuffer_wined3d_object_destroyed(void *parent)
 {
     struct d3d9_indexbuffer *buffer = parent;
+
+    if (buffer->draw_buffer)
+        wined3d_buffer_decref(buffer->wined3d_buffer);
     d3d9_resource_cleanup(&buffer->resource);
     heap_free(buffer);
 }