render: egl: Add utility functions for saving/restoring context

This commit is contained in:
Andri Yngvason 2020-06-02 21:49:44 +00:00 committed by Simon Ser
parent e77c046cf9
commit 11b598fe33
2 changed files with 31 additions and 0 deletions

View file

@ -411,6 +411,18 @@ bool wlr_egl_is_current(struct wlr_egl *egl) {
return eglGetCurrentContext() == egl->context;
}
void wlr_egl_save_context(struct wlr_egl_context *context) {
context->display = eglGetCurrentDisplay();
context->context = eglGetCurrentContext();
context->draw_surface = eglGetCurrentSurface(EGL_DRAW);
context->read_surface = eglGetCurrentSurface(EGL_READ);
}
bool wlr_egl_restore_context(struct wlr_egl_context *context) {
return eglMakeCurrent(context->display, context->draw_surface,
context->read_surface, context->context);
}
bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface,
pixman_region32_t *damage) {
// Never block when swapping buffers on Wayland