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-rw-r--r--render/pass.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/render/pass.c b/render/pass.c
index 650353cb..444f964e 100644
--- a/render/pass.c
+++ b/render/pass.c
@@ -26,6 +26,15 @@ bool wlr_render_pass_submit(struct wlr_render_pass *render_pass) {
void wlr_render_pass_add_texture(struct wlr_render_pass *render_pass,
const struct wlr_render_texture_options *options) {
+ // make sure the texture source box does not try and sample outside of the
+ // texture
+ if (!wlr_fbox_empty(&options->src_box)) {
+ const struct wlr_fbox *box = &options->src_box;
+ assert(box->x >= 0 && box->y >= 0 &&
+ box->x + box->width <= options->texture->width &&
+ box->y + box->height <= options->texture->height);
+ }
+
render_pass->impl->add_texture(render_pass, options);
}