render: gles2: Fix y-inversion in gles2_blit_dmabuf()
@@ -384,7 +384,9 @@ static bool gles2_blit_dmabuf(struct wlr_renderer *wlr_renderer,
bool dst_inverted_y =
!!(dst_attr->flags & WLR_DMABUF_ATTRIBUTES_FLAGS_Y_INVERT);
struct wlr_gles2_texture *gles2_src_tex = gles2_get_texture(src_tex);
- gles2_src_tex->inverted_y = src_inverted_y ^ dst_inverted_y;
+ // The result is negated because wlr_matrix_projection y-inverts the
+ // texture.
+ gles2_src_tex->inverted_y = !(src_inverted_y ^ dst_inverted_y);
struct wlr_egl *egl = wlr_gles2_renderer_get_egl(wlr_renderer);
if (!wlr_egl_make_current(egl, EGL_NO_SURFACE, NULL)) {
