wined3d: Only store dc_info for textures that require it.

dlls/wined3d/swapchain.c

@@ -549,7 +549,7 @@ static void swapchain_gdi_frontbuffer_updated(struct wined3d_swapchain *swapchai
 
     TRACE("swapchain %p.\n", swapchain);
 
-    front = swapchain->front_buffer->sub_resources[0].dc_info;
+    front = &swapchain->front_buffer->dc_info[0];
     if (swapchain->palette)
         wined3d_palette_apply_to_dc(swapchain->palette, front->dc);
 
@@ -589,8 +589,8 @@ static void swapchain_gdi_present(struct wined3d_swapchain *swapchain,
     void *data;
     HDC dc;
 
-    front = swapchain->front_buffer->sub_resources[0].dc_info;
-    back = swapchain->back_buffers[0]->sub_resources[0].dc_info;
+    front = &swapchain->front_buffer->dc_info[0];
+    back = &swapchain->back_buffers[0]->dc_info[0];
 
     /* Flip the surface data. */
     dc = front->dc;

dlls/wined3d/wined3d_private.h

@@ -3090,7 +3090,6 @@ struct wined3d_texture_ops
             struct wined3d_context *context, DWORD location);
     void (*texture_prepare_texture)(struct wined3d_texture *texture,
             struct wined3d_context *context, BOOL srgb);
-    void (*texture_cleanup_sub_resources)(struct wined3d_texture *texture);
 };
 
 #define WINED3D_TEXTURE_COND_NP2            0x00000001
@@ -3162,6 +3161,12 @@ struct wined3d_texture
         RECT dst_rect;
     } *overlay_info;
 
+    struct wined3d_dc_info
+    {
+        HBITMAP bitmap;
+        HDC dc;
+    } *dc_info;
+
     struct list renderbuffers;
     const struct wined3d_renderbuffer_entry *current_renderbuffer;
 
@@ -3170,11 +3175,6 @@ struct wined3d_texture
         void *parent;
         const struct wined3d_parent_ops *parent_ops;
 
-        struct wined3d_dc_info
-        {
-            HBITMAP bitmap;
-            HDC dc;
-        } *dc_info;
         unsigned int offset;
         unsigned int size;