VX_API_ENTRY vx_status VX_API_CALL vxReleaseReference(vx_reference *ref)
{
if(vxIsValidReference(*ref))
{
return vxReleaseReferenceInt((vx_reference *)ref, (*ref)->type, VX_EXTERNAL, NULL);
} else {
return VX_ERROR_INVALID_REFERENCE;
}
}
VX_API_ENTRY vx_status VX_API_CALL vxSetReferenceName(vx_reference ref, const vx_char *name)
{
vx_status status = VX_ERROR_INVALID_REFERENCE;
if (vxIsValidReference(ref))
{
strncpy(ref->name, name, strnlen(name, VX_MAX_REFERENCE_NAME));
status = VX_SUCCESS;
}
return status;
}
VX_API_ENTRY vx_context VX_API_CALL vxGetContext(vx_reference reference)
{
vx_context context = NULL;
if (vxIsValidReference(reference) == vx_true_e)
{
context = reference->context;
}
else if (vxIsValidContext((vx_context)reference) == vx_true_e)
{
context = (vx_context)reference;
}
else
{
VX_PRINT(VX_ZONE_ERROR, "%p is not a valid reference\n", reference);
VX_BACKTRACE(VX_ZONE_ERROR);
}
return context;
}
VX_API_ENTRY vx_status VX_API_CALL vxHint(vx_reference reference, vx_enum hint, const void* data, vx_size data_size)
{
vx_status status = VX_SUCCESS;
/* reference param should be a valid OpenVX reference*/
if (vxIsValidContext((vx_context)reference) == vx_false_e && vxIsValidReference(reference) == vx_false_e)
return VX_ERROR_INVALID_REFERENCE;
switch (hint)
{
/*! \todo add hints to the sample implementation */
default:
status = VX_ERROR_NOT_SUPPORTED;
break;
}
return status;
}
VX_API_ENTRY vx_status VX_API_CALL vxDirective(vx_reference reference, vx_enum directive) {
vx_status status = VX_SUCCESS;
vx_context context;
if (vxIsValidReference(reference) == vx_false_e)
return VX_ERROR_INVALID_REFERENCE;
context = reference->context;
if (vxIsValidContext(context) == vx_false_e)
return VX_ERROR_INVALID_REFERENCE;
switch (directive)
{
case VX_DIRECTIVE_DISABLE_LOGGING:
context->log_enabled = vx_false_e;
break;
case VX_DIRECTIVE_ENABLE_LOGGING:
context->log_enabled = vx_true_e;
break;
default:
status = VX_ERROR_NOT_SUPPORTED;
break;
}
return status;
}
vx_status vxQueryReference(vx_reference r, vx_enum attribute, void *ptr, vx_size size)
{
vx_status status = VX_SUCCESS;
vx_reference_t *ref = (vx_reference_t *)r;
/* if it is not a reference and not a context */
if ((vxIsValidReference(ref) == vx_false_e) &&
(vxIsValidContext((vx_context_t *)ref) == vx_false_e)) {
return VX_ERROR_INVALID_REFERENCE;
}
switch (attribute)
{
case VX_REF_ATTRIBUTE_COUNT:
if (VX_CHECK_PARAM(ptr, size, vx_uint32, 0x3))
{
*(vx_uint32 *)ptr = ref->external_count;
}
else
{
status = VX_ERROR_INVALID_PARAMETERS;
}
break;
case VX_REF_ATTRIBUTE_TYPE:
if (VX_CHECK_PARAM(ptr, size, vx_enum, 0x3))
{
*(vx_enum *)ptr = ref->type;
}
else
{
status = VX_ERROR_INVALID_PARAMETERS;
}
break;
default:
status = VX_ERROR_NOT_SUPPORTED;
break;
}
return status;
}
VX_API_ENTRY vx_status VX_API_CALL vxSetParameterByIndex(vx_node node, vx_uint32 index, vx_reference value)
{
vx_status status = VX_SUCCESS;
vx_enum type = 0;
vx_enum data_type = 0;
if (vxIsValidSpecificReference(&node->base, VX_TYPE_NODE) == vx_false_e)
{
VX_PRINT(VX_ZONE_ERROR, "Supplied node was not actually a node\n");
status = VX_ERROR_INVALID_REFERENCE;
goto exit;
}
VX_PRINT(VX_ZONE_PARAMETER, "Attempting to set parameter[%u] on %s (enum:%d) to "VX_FMT_REF"\n",
index,
node->kernel->name,
node->kernel->enumeration,
value);
/* is the index out of bounds? */
if ((index >= node->kernel->signature.num_parameters) || (index >= VX_INT_MAX_PARAMS))
{
VX_PRINT(VX_ZONE_ERROR, "Invalid index %u\n", index);
status = VX_ERROR_INVALID_VALUE;
goto exit;
}
/* if it's an optional parameter, it's ok to be NULL */
if ((value == 0) && (node->kernel->signature.states[index] == VX_PARAMETER_STATE_OPTIONAL))
{
status = VX_SUCCESS;
goto exit;
}
/* if it's required, it's got to exist */
if (vxIsValidReference((vx_reference_t *)value) == vx_false_e)
{
VX_PRINT(VX_ZONE_ERROR, "Supplied value was not actually a reference\n");
status = VX_ERROR_INVALID_REFERENCE;
goto exit;
}
/* if it was a valid reference then get the type from it */
vxQueryReference(value, VX_REF_ATTRIBUTE_TYPE, &type, sizeof(type));
VX_PRINT(VX_ZONE_PARAMETER, "Query returned type %08x for ref "VX_FMT_REF"\n", type, value);
/* Check that signature type matches reference type*/
if (node->kernel->signature.types[index] != type)
{
/* Check special case where signature is a specific scalar type.
This can happen if the vxAddParameterToKernel() passes one of the scalar
vx_type_e types instead of the more generic VX_TYPE_SCALAR since the spec
doesn't specify that only VX_TYPE_SCALAR should be used for scalar types in
this function. */
if((type == VX_TYPE_SCALAR) &&
(vxQueryScalar((vx_scalar)value, VX_SCALAR_ATTRIBUTE_TYPE, &data_type, sizeof(data_type)) == VX_SUCCESS))
{
if(data_type != node->kernel->signature.types[index])
{
VX_PRINT(VX_ZONE_ERROR, "Invalid scalar type 0x%08x!\n", data_type);
status = VX_ERROR_INVALID_TYPE;
goto exit;
}
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Invalid type 0x%08x!\n", type);
status = VX_ERROR_INVALID_TYPE;
goto exit;
}
}
if (node->parameters[index])
{
if (node->parameters[index]->delay!=NULL) {
// we already have a delay element here */
vx_bool res = vxRemoveAssociationToDelay(node->parameters[index], node, index);
if (res == vx_false_e) {
VX_PRINT(VX_ZONE_ERROR, "Internal error removing delay association\n");
status = VX_ERROR_INVALID_REFERENCE;
goto exit;
}
}
}
if (value->delay!=NULL) {
/* the new parameter is a delay element */
vx_bool res = vxAddAssociationToDelay(value, node, index);
if (res == vx_false_e) {
VX_PRINT(VX_ZONE_ERROR, "Internal error adding delay association\n");
status = VX_ERROR_INVALID_REFERENCE;
goto exit;
}
}
/* actual change of the node parameter */
vxNodeSetParameter(node, index, value);
/* if the node has a child graph, find out which parameter is this */
if (node->child)
{
vx_uint32 p = 0;
for (p = 0; p < node->child->numParams; p++)
{
if ((node->child->parameters[p].node == node) &&
(node->child->parameters[p].index == index))
{
status = vxSetGraphParameterByIndex((vx_graph)node->child, p, value);
break;
}
}
}
exit:
if (status == VX_SUCCESS)
{
VX_PRINT(VX_ZONE_PARAMETER, "Assigned Node[%u] %p type:%08x ref="VX_FMT_REF"\n",
index, node, type, value);
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Specified: parameter[%u] type:%08x => "VX_FMT_REF"\n",
index, type, value);
VX_PRINT(VX_ZONE_ERROR, "Required: parameter[%u] dir:%d type:%08x\n",
index,
node->kernel->signature.directions[index],
node->kernel->signature.types[index]);
}
return status;
}
VX_API_ENTRY vx_status VX_API_CALL vxSetMetaFormatFromReference(vx_meta_format meta, vx_reference examplar)
{
vx_status status = VX_SUCCESS;
if (vxIsValidSpecificReference(&meta->base, VX_TYPE_META_FORMAT) == vx_false_e)
return VX_ERROR_INVALID_REFERENCE;
if (vxIsValidReference(examplar) == vx_false_e)
return VX_ERROR_INVALID_REFERENCE;
switch (examplar->type)
{
case VX_TYPE_IMAGE:
{
vx_image image = (vx_image)examplar;
meta->type = VX_TYPE_IMAGE;
meta->dim.image.width = image->width;
meta->dim.image.height = image->height;
meta->dim.image.format = image->format;
break;
}
case VX_TYPE_ARRAY:
{
vx_array array = (vx_array)examplar;
meta->type = VX_TYPE_ARRAY;
meta->dim.array.item_type = array->item_type;
meta->dim.array.capacity = array->capacity;
break;
}
case VX_TYPE_PYRAMID:
{
vx_pyramid pyramid = (vx_pyramid)examplar;
meta->type = VX_TYPE_PYRAMID;
meta->dim.pyramid.width = pyramid->width;
meta->dim.pyramid.height = pyramid->height;
meta->dim.pyramid.format = pyramid->format;
meta->dim.pyramid.levels = pyramid->numLevels;
meta->dim.pyramid.scale = pyramid->scale;
break;
}
case VX_TYPE_SCALAR:
{
vx_scalar scalar = (vx_scalar)examplar;
meta->type = VX_TYPE_SCALAR;
meta->dim.scalar.type = scalar->data_type;
break;
}
case VX_TYPE_MATRIX:
{
vx_matrix matrix = (vx_matrix)examplar;
meta->type = VX_TYPE_MATRIX;
meta->dim.matrix.type = matrix->data_type;
meta->dim.matrix.cols = matrix->columns;
meta->dim.matrix.rows = matrix->rows;
break;
}
case VX_TYPE_DISTRIBUTION:
{
vx_distribution distribution = (vx_distribution)examplar;
meta->type = VX_TYPE_DISTRIBUTION;
meta->dim.distribution.bins = distribution->memory.dims[0][VX_DIM_X];
meta->dim.distribution.offset = distribution->offset_x;
meta->dim.distribution.range = distribution->range_x;
break;
}
case VX_TYPE_REMAP:
{
vx_remap remap = (vx_remap)examplar;
meta->type = VX_TYPE_REMAP;
meta->dim.remap.src_width = remap->src_width;
meta->dim.remap.src_height = remap->src_height;
meta->dim.remap.dst_width = remap->dst_width;
meta->dim.remap.dst_height = remap->dst_height;
break;
}
case VX_TYPE_LUT:
{
vx_lut_t *lut = (vx_lut_t *)examplar;
meta->type = VX_TYPE_LUT;
meta->dim.lut.type = lut->item_type;
meta->dim.lut.count = lut->num_items;
break;
}
case VX_TYPE_THRESHOLD:
{
vx_threshold threshold = (vx_threshold)examplar;
meta->type = VX_TYPE_THRESHOLD;
meta->dim.threshold.type = threshold->thresh_type;
break;
}
default:
status = VX_ERROR_INVALID_REFERENCE;
break;
}
return status;
}