Matteo Bruni : wined3d: Only invalidate STATE_INDEXBUFFER if the buffer being destroyed is bound as index buffer.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3cc218d5b51140354afdd689c67be9258476a1e3
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=3cc218d5b51140354afdd689c67be9258476a1e3

Author: Matteo Bruni <mbruni at codeweavers.com>
Date:   Thu Mar 26 13:26:01 2020 +0100

wined3d: Only invalidate STATE_INDEXBUFFER if the buffer being destroyed is bound as index buffer.

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

---

 dlls/wined3d/buffer.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/buffer.c b/dlls/wined3d/buffer.c
index 427b1a2649..dffa703dcc 100644
--- a/dlls/wined3d/buffer.c
+++ b/dlls/wined3d/buffer.c
@@ -144,6 +144,8 @@ static void wined3d_buffer_gl_destroy_buffer_object(struct wined3d_buffer_gl *bu
 {
     const struct wined3d_gl_info *gl_info = context_gl->gl_info;
     struct wined3d_resource *resource = &buffer_gl->b.resource;
+    struct wined3d_buffer *buffer = &buffer_gl->b;
+    struct wined3d_cs *cs = resource->device->cs;
     GLuint bo;
 
     if (!buffer_gl->b.buffer_object)
@@ -158,7 +160,8 @@ static void wined3d_buffer_gl_destroy_buffer_object(struct wined3d_buffer_gl *bu
     {
         if (resource->bind_flags & WINED3D_BIND_VERTEX_BUFFER)
             device_invalidate_state(resource->device, STATE_STREAMSRC);
-        if (resource->bind_flags & WINED3D_BIND_INDEX_BUFFER)
+        if (resource->bind_flags & WINED3D_BIND_INDEX_BUFFER
+                && cs->state.index_buffer == buffer)
             device_invalidate_state(resource->device, STATE_INDEXBUFFER);
         if (resource->bind_flags & WINED3D_BIND_CONSTANT_BUFFER)
         {