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backends: implement custom EGL and renderer initialization

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Compositors now have more control over how the backend creates its
renderer. Currently all backends create an EGL/GLES2 renderer, so
the necessary attributes for creating the context are passed to a
user-provided callback function. It is responsible for initializing
provided wlr_egl and to return a renderer. On fail, return 0.

Fixes #987
This commit is contained in:
Ilia Bozhinov 2018-05-25 13:14:35 +03:00
parent a0eb37e2ea
commit 24cf70ae96
22 changed files with 106 additions and 69 deletions
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17
backend/drm/renderer.c
View file

@ -19,29 +19,28 @@
#endif
bool init_drm_renderer(struct wlr_drm_backend *drm,
struct wlr_drm_renderer *renderer) {
struct wlr_drm_renderer *renderer, wlr_renderer_create_func_t create_renderer_func) {
renderer->gbm = gbm_create_device(drm->fd);
if (!renderer->gbm) {
wlr_log(L_ERROR, "Failed to create GBM device");
return false;
}
if (!wlr_egl_init(&renderer->egl, EGL_PLATFORM_GBM_MESA, renderer->gbm,
NULL, GBM_FORMAT_ARGB8888)) {
goto error_gbm;
if (!create_renderer_func) {
create_renderer_func = wlr_renderer_autocreate;
}
renderer->wlr_rend = wlr_gles2_renderer_create(&renderer->egl);
renderer->wlr_rend = create_renderer_func(&renderer->egl,
EGL_PLATFORM_GBM_MESA, renderer->gbm, NULL, GBM_FORMAT_ARGB8888);
if (!renderer->wlr_rend) {
wlr_log(L_ERROR, "Failed to create WLR renderer");
goto error_egl;
wlr_log(L_ERROR, "Failed to create EGL/WLR renderer");
goto error_gbm;
}
renderer->fd = drm->fd;
return true;
error_egl:
wlr_egl_finish(&renderer->egl);
error_gbm:
gbm_device_destroy(renderer->gbm);
return false;