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#include <xf86drm.h>
#include <xf86drmMode.h>
#include <kms++/kms++.h>
using namespace std;
namespace kms
{
Blob::Blob(Card& card, uint32_t blob_id)
: DrmObject(card, blob_id, DRM_MODE_OBJECT_BLOB), m_created(false)
{
// XXX should we verify that the blob_id is a blob object?
}
Blob::Blob(Card& card, void* data, size_t len)
: DrmObject(card, DRM_MODE_OBJECT_BLOB), m_created(true)
{
uint32_t id;
int r = drmModeCreatePropertyBlob(card.fd(), data, len, &id);
if (r)
throw invalid_argument("FAILED TO CREATE PROP\n");
set_id(id);
}
Blob::~Blob()
{
if (m_created)
drmModeDestroyPropertyBlob(card().fd(), id());
}
vector<uint8_t> Blob::data()
{
drmModePropertyBlobPtr blob = drmModeGetPropertyBlob(card().fd(), id());
if (!blob)
throw invalid_argument("Blob data not available");
uint8_t* data = (uint8_t*)blob->data;
auto v = vector<uint8_t>(data, data + blob->length);
drmModeFreePropertyBlob(blob);
return v;
}
} // namespace kms
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