static int drm_egl_init(struct MPGLContext *ctx, int flags)
{
struct priv *p = ctx->priv;
p->kms = NULL;
p->old_crtc = NULL;
p->gbm.surface = NULL;
p->gbm.device = NULL;
p->active = false;
p->waiting_for_flip = false;
p->ev.version = DRM_EVENT_CONTEXT_VERSION;
p->ev.page_flip_handler = page_flipped;
p->vt_switcher_active = vt_switcher_init(&p->vt_switcher, ctx->vo->log);
if (p->vt_switcher_active) {
vt_switcher_acquire(&p->vt_switcher, acquire_vt, ctx);
vt_switcher_release(&p->vt_switcher, release_vt, ctx);
} else {
MP_WARN(ctx->vo, "Failed to set up VT switcher. Terminal switching will be unavailable.\n");
}
MP_VERBOSE(ctx->vo, "Initializing KMS\n");
p->kms = kms_create(ctx->vo->log);
if (!p->kms) {
MP_ERR(ctx->vo, "Failed to create KMS.\n");
return -1;
}
// TODO: arguments should be configurable
if (!kms_setup(p->kms, "/dev/dri/card0", -1, 0)) {
MP_ERR(ctx->vo, "Failed to configure KMS.\n");
return -1;
}
if (!init_gbm(ctx)) {
MP_ERR(ctx->vo, "Failed to setup GBM.\n");
return -1;
}
if (!init_egl(ctx, flags & VOFLAG_GLES)) {
MP_ERR(ctx->vo, "Failed to setup EGL.\n");
return -1;
}
if (!eglMakeCurrent(p->egl.display, p->egl.surface, p->egl.surface, p->egl.context)) {
MP_ERR(ctx->vo, "Failed to make context current.\n");
return -1;
}
const char *egl_exts = eglQueryString(p->egl.display, EGL_EXTENSIONS);
void *(*gpa)(const GLubyte*) = (void *(*)(const GLubyte*))eglGetProcAddress;
mpgl_load_functions(ctx->gl, gpa, egl_exts, ctx->vo->log);
// required by gbm_surface_lock_front_buffer
eglSwapBuffers(p->egl.display, p->egl.surface);
MP_VERBOSE(ctx->vo, "Preparing framebuffer\n");
p->gbm.bo = gbm_surface_lock_front_buffer(p->gbm.surface);
if (!p->gbm.bo) {
MP_ERR(ctx->vo, "Failed to lock GBM surface.\n");
return -1;
}
update_framebuffer_from_bo(ctx, p->gbm.bo);
if (!p->fb.id) {
MP_ERR(ctx->vo, "Failed to create framebuffer.\n");
return -1;
}
if (!crtc_setup(ctx)) {
MP_ERR(
ctx->vo,
"Failed to set CRTC for connector %u: %s\n",
p->kms->connector->connector_id,
mp_strerror(errno));
return -1;
}
return 0;
}
static void acquire_vt(void *data)
{
struct MPGLContext *ctx = data;
MP_VERBOSE(ctx->vo, "Acquiring VT");
if (USE_MASTER) {
struct priv *p = ctx->priv;
if (drmSetMaster(p->kms->fd)) {
MP_WARN(ctx->vo, "Failed to acquire DRM master: %s\n", mp_strerror(errno));
}
}
crtc_setup(ctx);
}
static int drm_egl_init(struct MPGLContext *ctx, int flags)
{
if (ctx->vo->probing) {
MP_VERBOSE(ctx->vo, "DRM EGL backend can be activated only manually.\n");
return -1;
}
struct priv *p = ctx->priv;
p->kms = NULL;
p->old_crtc = NULL;
p->gbm.surface = NULL;
p->gbm.device = NULL;
p->active = false;
p->waiting_for_flip = false;
p->ev.version = DRM_EVENT_CONTEXT_VERSION;
p->ev.page_flip_handler = page_flipped;
p->vt_switcher_active = vt_switcher_init(&p->vt_switcher, ctx->vo->log);
if (p->vt_switcher_active) {
vt_switcher_acquire(&p->vt_switcher, acquire_vt, ctx);
vt_switcher_release(&p->vt_switcher, release_vt, ctx);
} else {
MP_WARN(ctx->vo, "Failed to set up VT switcher. Terminal switching will be unavailable.\n");
}
MP_VERBOSE(ctx->vo, "Initializing KMS\n");
p->kms = kms_create(ctx->vo->log, ctx->vo->opts->drm_connector_spec,
ctx->vo->opts->drm_mode_id);
if (!p->kms) {
MP_ERR(ctx->vo, "Failed to create KMS.\n");
return -1;
}
if (!init_gbm(ctx)) {
MP_ERR(ctx->vo, "Failed to setup GBM.\n");
return -1;
}
if (!init_egl(ctx, flags)) {
MP_ERR(ctx->vo, "Failed to setup EGL.\n");
return -1;
}
if (!eglMakeCurrent(p->egl.display, p->egl.surface, p->egl.surface,
p->egl.context)) {
MP_ERR(ctx->vo, "Failed to make context current.\n");
return -1;
}
const char *egl_exts = eglQueryString(p->egl.display, EGL_EXTENSIONS);
void *(*gpa)(const GLubyte*) = (void *(*)(const GLubyte*))eglGetProcAddress;
mpgl_load_functions(ctx->gl, gpa, egl_exts, ctx->vo->log);
ctx->native_display_type = "drm";
ctx->native_display = (void *)(intptr_t)p->kms->fd;
// required by gbm_surface_lock_front_buffer
eglSwapBuffers(p->egl.display, p->egl.surface);
MP_VERBOSE(ctx->vo, "Preparing framebuffer\n");
p->gbm.bo = gbm_surface_lock_front_buffer(p->gbm.surface);
if (!p->gbm.bo) {
MP_ERR(ctx->vo, "Failed to lock GBM surface.\n");
return -1;
}
update_framebuffer_from_bo(ctx, p->gbm.bo);
if (!p->fb.id) {
MP_ERR(ctx->vo, "Failed to create framebuffer.\n");
return -1;
}
if (!crtc_setup(ctx)) {
MP_ERR(ctx->vo, "Failed to set CRTC for connector %u: %s\n",
p->kms->connector->connector_id, mp_strerror(errno));
return -1;
}
return 0;
}