wined3d: Store multisample draw location in struct wined3d_d3d_info.

dlls/wined3d/adapter_gl.c

@@ -3738,6 +3738,11 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter,
 
     d3d_info->draw_base_vertex_offset = !!gl_info->supported[ARB_DRAW_ELEMENTS_BASE_VERTEX];
 
+    if (gl_info->supported[ARB_TEXTURE_MULTISAMPLE])
+        d3d_info->multisample_draw_location = WINED3D_LOCATION_TEXTURE_RGB;
+    else
+        d3d_info->multisample_draw_location = WINED3D_LOCATION_RB_MULTISAMPLE;
+
     TRACE("Max texture stages: %u.\n", d3d_info->limits.ffp_blend_stages);
 
     if (!d3d_info->shader_color_key)

dlls/wined3d/resource.c

@@ -481,17 +481,15 @@ BOOL wined3d_resource_is_offscreen(struct wined3d_resource *resource)
 
 void wined3d_resource_update_draw_binding(struct wined3d_resource *resource)
 {
+    const struct wined3d_d3d_info *d3d_info = &resource->device->adapter->d3d_info;
+
     if (!wined3d_resource_is_offscreen(resource) || wined3d_settings.offscreen_rendering_mode != ORM_FBO)
     {
         resource->draw_binding = WINED3D_LOCATION_DRAWABLE;
     }
     else if (resource->multisample_type)
     {
-        const struct wined3d_gl_info *gl_info = &resource->device->adapter->gl_info;
-        if (gl_info->supported[ARB_TEXTURE_MULTISAMPLE])
-            resource->draw_binding = WINED3D_LOCATION_TEXTURE_RGB;
-        else
-            resource->draw_binding = WINED3D_LOCATION_RB_MULTISAMPLE;
+        resource->draw_binding = d3d_info->multisample_draw_location;
     }
     else if (resource->gl_type == WINED3D_GL_RES_TYPE_RB)
     {

dlls/wined3d/wined3d_private.h

@@ -207,6 +207,8 @@ struct wined3d_d3d_info
     unsigned int texture_npot_conditional : 1;
     unsigned int draw_base_vertex_offset : 1;
     enum wined3d_feature_level feature_level;
+
+    DWORD multisample_draw_location;
 };
 
 static const struct color_fixup_desc COLOR_FIXUP_IDENTITY =