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Return failure of wlr_renderer_init_wl_display()

Browse source 
This makes it easier for the user of this library to properly handle
failure of this function.

The signature of wlr_renderer_impl.init_wl_display was also modified to
allow for proper error propagation.
This commit is contained in:
Isaac Freund 2020-03-23 14:32:27 +01:00 committed by Simon Ser
parent 34303e1b47
commit c682d97841
4 changed files with 21 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
include/wlr/render/interface.h
View file

@ -62,7 +62,7 @@ struct wlr_renderer_impl {
struct wlr_texture *(*texture_from_dmabuf)(struct wlr_renderer *renderer, struct wlr_texture *(*texture_from_dmabuf)(struct wlr_renderer *renderer,
struct wlr_dmabuf_attributes *attribs); struct wlr_dmabuf_attributes *attribs);
void (*destroy)(struct wlr_renderer *renderer); void (*destroy)(struct wlr_renderer *renderer);
void (*init_wl_display)(struct wlr_renderer *renderer, bool (*init_wl_display)(struct wlr_renderer *renderer,
struct wl_display *wl_display); struct wl_display *wl_display);
}; };

7
include/wlr/render/wlr_renderer.h
View file

@ -109,7 +109,12 @@ bool wlr_renderer_read_pixels(struct wlr_renderer *r, enum wl_shm_format fmt,
*/ */
bool wlr_renderer_format_supported(struct wlr_renderer *r, bool wlr_renderer_format_supported(struct wlr_renderer *r,
enum wl_shm_format fmt); enum wl_shm_format fmt);
void wlr_renderer_init_wl_display(struct wlr_renderer *r, /**
* Creates necessary shm and invokes the initialization of the implementation.
*
* Returns false on failure.
*/
bool wlr_renderer_init_wl_display(struct wlr_renderer *r,
struct wl_display *wl_display); struct wl_display *wl_display);
/** /**

4
render/gles2/renderer.c
View file

@ -351,13 +351,15 @@ static struct wlr_texture *gles2_texture_from_dmabuf(
return wlr_gles2_texture_from_dmabuf(renderer->egl, attribs); return wlr_gles2_texture_from_dmabuf(renderer->egl, attribs);
} }
static void gles2_init_wl_display(struct wlr_renderer *wlr_renderer, static bool gles2_init_wl_display(struct wlr_renderer *wlr_renderer,
struct wl_display *wl_display) { struct wl_display *wl_display) {
struct wlr_gles2_renderer *renderer = struct wlr_gles2_renderer *renderer =
gles2_get_renderer(wlr_renderer); gles2_get_renderer(wlr_renderer);
if (!wlr_egl_bind_display(renderer->egl, wl_display)) { if (!wlr_egl_bind_display(renderer->egl, wl_display)) {
wlr_log(WLR_INFO, "failed to bind wl_display to EGL"); wlr_log(WLR_INFO, "failed to bind wl_display to EGL");
return false;
} }
return true;
} }
struct wlr_egl *wlr_gles2_renderer_get_egl(struct wlr_renderer *wlr_renderer) { struct wlr_egl *wlr_gles2_renderer_get_egl(struct wlr_renderer *wlr_renderer) {

16
render/wlr_renderer.c
View file

@ -160,18 +160,18 @@ bool wlr_renderer_format_supported(struct wlr_renderer *r,
return r->impl->format_supported(r, fmt); return r->impl->format_supported(r, fmt);
} }
void wlr_renderer_init_wl_display(struct wlr_renderer *r, bool wlr_renderer_init_wl_display(struct wlr_renderer *r,
struct wl_display *wl_display) { struct wl_display *wl_display) {
if (wl_display_init_shm(wl_display)) { if (wl_display_init_shm(wl_display)) {
wlr_log(WLR_ERROR, "Failed to initialize shm"); wlr_log(WLR_ERROR, "Failed to initialize shm");
return; return false;
} }
size_t len; size_t len;
const enum wl_shm_format *formats = wlr_renderer_get_formats(r, &len); const enum wl_shm_format *formats = wlr_renderer_get_formats(r, &len);
if (formats == NULL) { if (formats == NULL) {
wlr_log(WLR_ERROR, "Failed to initialize shm: cannot get formats"); wlr_log(WLR_ERROR, "Failed to initialize shm: cannot get formats");
return; return false;
} }
for (size_t i = 0; i < len; ++i) { for (size_t i = 0; i < len; ++i) {
@ -183,12 +183,18 @@ void wlr_renderer_init_wl_display(struct wlr_renderer *r,
} }
if (r->impl->texture_from_dmabuf) { if (r->impl->texture_from_dmabuf) {
wlr_linux_dmabuf_v1_create(wl_display, r); if (wlr_linux_dmabuf_v1_create(wl_display, r) == NULL) {
return false;
}
} }
if (r->impl->init_wl_display) { if (r->impl->init_wl_display) {
r->impl->init_wl_display(r, wl_display); if (!r->impl->init_wl_display(r, wl_display)) {
return false;
} }
}
return true;
} }
struct wlr_renderer *wlr_renderer_autocreate(struct wlr_egl *egl, struct wlr_renderer *wlr_renderer_autocreate(struct wlr_egl *egl,