render/gles2: save/restore EGL context in destroy_buffer

It can be surprising that destroying a buffer changes the EGL context,
especially since this can be triggered from anywhere wlr_buffer_unlock
is called.

Prevent this from happening by saving and restoring the EGL context.
This commit is contained in:
Simon Ser 2021-01-14 12:00:06 +01:00
parent dc61f471da
commit 02a086599c
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GPG Key ID: 0FDE7BE0E88F5E48
1 changed files with 5 additions and 1 deletions

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@ -41,6 +41,8 @@ static void destroy_buffer(struct wlr_gles2_buffer *buffer) {
wl_list_remove(&buffer->link);
wl_list_remove(&buffer->buffer_destroy.link);
struct wlr_egl_context prev_ctx;
wlr_egl_save_context(&prev_ctx);
wlr_egl_make_current(buffer->renderer->egl);
push_gles2_debug(buffer->renderer);
@ -51,7 +53,9 @@ static void destroy_buffer(struct wlr_gles2_buffer *buffer) {
pop_gles2_debug(buffer->renderer);
wlr_egl_destroy_image(buffer->renderer->egl, buffer->image);
wlr_egl_unset_current(buffer->renderer->egl);
wlr_egl_restore_context(&prev_ctx);
free(buffer);
}