diff --git a/dlls/wined3d/texture.c b/dlls/wined3d/texture.c index 9589e493552..282c428c071 100644 --- a/dlls/wined3d/texture.c +++ b/dlls/wined3d/texture.c @@ -46,11 +46,15 @@ struct wined3d_rect_f static BOOL wined3d_texture_use_pbo(const struct wined3d_texture *texture, const struct wined3d_gl_info *gl_info) { - return !(texture->resource.access & WINED3D_RESOURCE_ACCESS_CPU) - && texture->resource.usage & WINED3DUSAGE_DYNAMIC - && gl_info->supported[ARB_PIXEL_BUFFER_OBJECT] - && !texture->resource.format->conv_byte_count - && !(texture->flags & (WINED3D_TEXTURE_PIN_SYSMEM | WINED3D_TEXTURE_COND_NP2_EMULATED)); + if (!gl_info->supported[ARB_PIXEL_BUFFER_OBJECT] + || texture->resource.format->conv_byte_count + || (texture->flags & (WINED3D_TEXTURE_PIN_SYSMEM | WINED3D_TEXTURE_COND_NP2_EMULATED))) + return FALSE; + + /* Use a PBO for dynamic textures and read-only staging textures. */ + return (!(texture->resource.access & WINED3D_RESOURCE_ACCESS_CPU) + && texture->resource.usage & WINED3DUSAGE_DYNAMIC) + || texture->resource.access == (WINED3D_RESOURCE_ACCESS_CPU | WINED3D_RESOURCE_ACCESS_MAP_R); } static BOOL wined3d_texture_use_immutable_storage(const struct wined3d_texture *texture,