static void
open_ogl (void)
{
TRACE_VC_MEMORY ("state 0");
#if defined (USE_OMX_TARGET_RPI) && defined (HAVE_GST_EGL)
bcm_host_init ();
TRACE_VC_MEMORY ("after bcm_host_init");
#endif
/* Start OpenGLES */
init_ogl (state);
TRACE_VC_MEMORY ("after init_ogl");
/* Wrap the EGL display */
state->gst_display = gst_egl_display_new (state->display, NULL);
/* Setup the model world */
init_model_proj (state);
TRACE_VC_MEMORY ("after init_model_proj");
/* initialize the OGLES texture(s) */
init_textures (state);
TRACE_VC_MEMORY ("after init_textures");
}
gboolean
gst_egl_adaptation_init_egl_display (GstEglAdaptationContext * ctx)
{
GstMessage *msg;
EGLDisplay display;
GST_DEBUG_OBJECT (ctx->element, "Enter EGL initial configuration");
if (!platform_wrapper_init ()) {
GST_ERROR_OBJECT (ctx->element, "Couldn't init EGL platform wrapper");
goto HANDLE_ERROR;
}
msg =
gst_message_new_need_context (GST_OBJECT_CAST (ctx->element),
GST_EGL_DISPLAY_CONTEXT_TYPE);
gst_element_post_message (GST_ELEMENT_CAST (ctx->element), msg);
GST_OBJECT_LOCK (ctx->element);
if (!ctx->set_display) {
GstContext *context;
GST_OBJECT_UNLOCK (ctx->element);
display = eglGetDisplay (EGL_DEFAULT_DISPLAY);
if (display == EGL_NO_DISPLAY) {
GST_ERROR_OBJECT (ctx->element, "Could not get EGL display connection");
goto HANDLE_ERROR; /* No EGL error is set by eglGetDisplay() */
}
ctx->display = gst_egl_display_new (display, (GDestroyNotify) eglTerminate);
context = gst_context_new_egl_display (ctx->display, FALSE);
msg = gst_message_new_have_context (GST_OBJECT (ctx->element), context);
gst_element_post_message (GST_ELEMENT_CAST (ctx->element), msg);
}
if (!eglInitialize (gst_egl_display_get (ctx->display),
&ctx->eglglesctx->egl_major, &ctx->eglglesctx->egl_minor)) {
got_egl_error ("eglInitialize");
GST_ERROR_OBJECT (ctx->element, "Could not init EGL display connection");
goto HANDLE_EGL_ERROR;
}
/* Check against required EGL version
* XXX: Need to review the version requirement in terms of the needed API
*/
if (ctx->eglglesctx->egl_major < GST_EGLGLESSINK_EGL_MIN_VERSION) {
GST_ERROR_OBJECT (ctx->element, "EGL v%d needed, but you only have v%d.%d",
GST_EGLGLESSINK_EGL_MIN_VERSION, ctx->eglglesctx->egl_major,
ctx->eglglesctx->egl_minor);
goto HANDLE_ERROR;
}
GST_INFO_OBJECT (ctx->element, "System reports supported EGL version v%d.%d",
ctx->eglglesctx->egl_major, ctx->eglglesctx->egl_minor);
eglBindAPI (EGL_OPENGL_ES_API);
return TRUE;
/* Errors */
HANDLE_EGL_ERROR:
GST_ERROR_OBJECT (ctx->element, "EGL call returned error %x", eglGetError ());
HANDLE_ERROR:
GST_ERROR_OBJECT (ctx->element, "Couldn't setup window/surface from handle");
return FALSE;
}