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render/egl: introduce wlr_egl_unset_current

Browse source 
This function can be called after wlr_egl_make_current to cleanup the
EGL context. This avoids having lingering EGL contexts that make things
work by chance.

Closes: https://github.com/swaywm/wlroots/issues/2197
This commit is contained in:
Simon Ser 2020-05-19 11:54:59 +02:00 • committed by Drew DeVault
parent 781ed1ff02
commit 1edc42157b
8 changed files with 62 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

4
backend/drm/drm.c
View file

@ -556,14 +556,14 @@ static bool drm_connector_commit(struct wlr_output *output) {
}
}
wlr_egl_make_current(&drm->renderer.egl, EGL_NO_SURFACE, NULL);
wlr_egl_unset_current(&drm->renderer.egl);
return true;
}
static void drm_connector_rollback(struct wlr_output *output) {
struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
wlr_egl_make_current(&drm->renderer.egl, EGL_NO_SURFACE, NULL);
wlr_egl_unset_current(&drm->renderer.egl);
}
size_t drm_crtc_get_gamma_lut_size(struct wlr_drm_backend *drm,

17
backend/headless/output.c
View file

@ -35,6 +35,8 @@ static bool create_fbo(struct wlr_headless_output *output,
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
wlr_egl_unset_current(output->backend->egl);
if (status != GL_FRAMEBUFFER_COMPLETE) {
wlr_log(WLR_ERROR, "Failed to create FBO");
return false;
@ -52,6 +54,9 @@ static void destroy_fbo(struct wlr_headless_output *output) {
glDeleteFramebuffers(1, &output->fbo);
glDeleteRenderbuffers(1, &output->rbo);
wlr_egl_unset_current(output->backend->egl);
output->fbo = 0;
output->rbo = 0;
}
@ -125,21 +130,23 @@ static bool output_commit(struct wlr_output *wlr_output) {
}
if (wlr_output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
glBindFramebuffer(GL_FRAMEBUFFER, 0);
wlr_egl_unset_current(output->backend->egl);
// Nothing needs to be done for FBOs
wlr_output_send_present(wlr_output, NULL);
}
wlr_egl_make_current(output->backend->egl, EGL_NO_SURFACE, NULL);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
return true;
}
static void output_rollback(struct wlr_output *wlr_output) {
struct wlr_headless_output *output =
headless_output_from_output(wlr_output);
wlr_egl_make_current(output->backend->egl, EGL_NO_SURFACE, NULL);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
if (wlr_output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
glBindFramebuffer(GL_FRAMEBUFFER, 0);
wlr_egl_unset_current(output->backend->egl);
}
}
static void output_destroy(struct wlr_output *wlr_output) {

6
backend/wayland/output.c
View file

@ -300,7 +300,7 @@ static bool output_commit(struct wlr_output *wlr_output) {
}
}
wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL);
wlr_egl_unset_current(&output->backend->egl);
return true;
}
@ -308,7 +308,7 @@ static bool output_commit(struct wlr_output *wlr_output) {
static void output_rollback(struct wlr_output *wlr_output) {
struct wlr_wl_output *output =
get_wl_output_from_output(wlr_output);
wlr_egl_make_current(&output->backend->egl, EGL_NO_SURFACE, NULL);
wlr_egl_unset_current(&output->backend->egl);
}
static bool output_set_cursor(struct wlr_output *wlr_output,
@ -377,6 +377,7 @@ static bool output_set_cursor(struct wlr_output *wlr_output,
wlr_egl_swap_buffers(&backend->egl, egl_surface, NULL);
wlr_egl_destroy_surface(&backend->egl, egl_surface);
wlr_egl_unset_current(&backend->egl);
} else {
wl_surface_attach(surface, NULL, 0, 0);
wl_surface_commit(surface);
@ -583,6 +584,7 @@ struct wlr_output *wlr_wl_output_create(struct wlr_backend *wlr_backend) {
NULL)) {
goto error;
}
wlr_egl_unset_current(&output->backend->egl);
wl_list_insert(&backend->outputs, &output->link);
wlr_output_update_enabled(wlr_output, true);

4
backend/x11/output.c
View file

@ -157,14 +157,14 @@ static bool output_commit(struct wlr_output *wlr_output) {
wlr_output_send_present(wlr_output, NULL);
}
wlr_egl_make_current(&x11->egl, EGL_NO_SURFACE, NULL);
wlr_egl_unset_current(&x11->egl);
return true;
}
static void output_rollback(struct wlr_output *wlr_output) {
struct wlr_x11_output *output = get_x11_output_from_output(wlr_output);
wlr_egl_make_current(&output->x11->egl, EGL_NO_SURFACE, NULL);
wlr_egl_unset_current(&output->x11->egl);
}
static const struct wlr_output_impl output_impl = {