updated drama regen interface

Author: rgiduthuri

openvx/ago/ago_drama_divide.cpp

@@ -26,7 +26,7 @@ THE SOFTWARE.
 #define SANITY_CHECK_DATA_TYPE(data,data_type)          if(!data || data->ref.type != data_type) return -1
 #define SANITY_CHECK_DATA_TYPE_OPTIONAL(data,data_type) if( data && data->ref.type != data_type) return -1
 
-int agoDramaDivideAppend(AgoNodeList * nodeList, AgoNode * anode, vx_enum new_kernel_id)
+int agoDramaDivideAppend(AgoNodeList * nodeList, AgoNode * anode, vx_enum new_kernel_id, vx_reference * paramList, vx_uint32 paramCount)
 {
 	if (new_kernel_id == VX_KERNEL_AMD_INVALID) {
 		// TBD: error handling
@@ -35,15 +35,26 @@ int agoDramaDivideAppend(AgoNodeList * nodeList, AgoNode * anode, vx_enum new_ke
 	}
 	// create a new AgoNode and add it to the nodeList
 	AgoNode * childnode = agoCreateNode((AgoGraph *)anode->ref.scope, new_kernel_id);
-	for (vx_uint32 i = 0; i < anode->paramCount; i++) {
-		childnode->paramList[i] = anode->paramList[i];
+	for (vx_uint32 i = 0; i < paramCount; i++) {
+		childnode->paramList[i] = (AgoData *)paramList[i];
 	}
+	anode->drama_divide_invoked = true;
 	// transfer attributes from anode to childnode
 	agoImportNodeConfig(childnode, anode);
 	// verify the node
 	return agoVerifyNode(childnode);
 }
 
+vx_status VX_CALLBACK agoDramaDivideAddNodeCallback(vx_node node, vx_enum kernel_id, vx_reference * paramList, vx_uint32 paramCount)
+{
+    return agoDramaDivideAppend(&((AgoGraph *)node->ref.scope)->nodeList, node, kernel_id, paramList, paramCount);
+}
+
+int agoDramaDivideAppend(AgoNodeList * nodeList, AgoNode * anode, vx_enum new_kernel_id)
+{
+    return agoDramaDivideAppend(nodeList, anode, new_kernel_id, (vx_reference *)anode->paramList, anode->paramCount);
+}
+
 int agoDramaDivideColorConvertNode(AgoNodeList * nodeList, AgoNode * anode)
 {
 	// sanity checks
@@ -1975,10 +1986,11 @@ int agoOptimizeDramaDivide(AgoGraph * agraph)
 		}
 		else if (anode->akernel->regen_callback_f) {
 			// try regenerating the node
-			vx_bool regen_not_needed = vx_true_e;
-			vx_status status = anode->akernel->regen_callback_f(agraph, anode, regen_not_needed);
+			anode->drama_divide_invoked = false;
+			vx_bool replace_original = vx_true_e;
+			vx_status status = anode->akernel->regen_callback_f(anode, agoDramaDivideAddNodeCallback, replace_original);
 			if (status == VX_SUCCESS) {
-				if (regen_not_needed == vx_false_e) {
+				if (anode->drama_divide_invoked && replace_original) {
 					// remove and release the current node
 					if (aprev) aprev->next = anode->next;
 					else agraph->nodeList.head = anode->next;

openvx/ago/ago_internal.h

@@ -541,6 +541,7 @@ struct AgoNode {
 	vx_nodecomplete_f callback;
 	AgoSuperNode * supernode;
 	bool initialized;
+	bool drama_divide_invoked;
 	vx_uint32 valid_rect_num_inputs;
 	vx_uint32 valid_rect_num_outputs;
 	vx_rectangle_t ** valid_rect_inputs;

openvx/ago/ago_util.cpp

@@ -3010,6 +3010,7 @@ AgoNode::AgoNode()
 	: next{ nullptr }, akernel{ nullptr }, flags{ 0 }, localDataSize{ 0 }, localDataPtr{ nullptr }, localDataPtr_allocated{ nullptr }, 
 	  valid_rect_reset{ vx_true_e }, valid_rect_num_inputs{ 0 }, valid_rect_num_outputs{ 0 }, valid_rect_inputs{ nullptr }, valid_rect_outputs{ nullptr },
 	  paramCount{ 0 }, callback{ nullptr }, supernode{ nullptr }, initialized{ false }, target_support_flags{ 0 }, hierarchical_level{ 0 }, status{ VX_SUCCESS }
+	, drama_divide_invoked{ false }
 #if ENABLE_OPENCL
 	, opencl_type{ 0 }, opencl_param_mem2reg_mask{ 0 }, opencl_param_discard_mask{ 0 }, opencl_param_as_value_mask{ 0 },
 	  opencl_param_atomic_mask{ 0 }, opencl_local_buffer_usage_mask{ 0 }, opencl_local_buffer_size_in_bytes{ 0 }, opencl_work_dim{ 0 },

openvx/include/vx_ext_amd.h

@@ -338,7 +338,8 @@ typedef vx_status(VX_CALLBACK * amd_kernel_opencl_codegen_callback_f) (
 
 /*! \brief AMD usernode callback for regenerating a node.
 */
-typedef vx_status(VX_CALLBACK * amd_kernel_node_regen_callback_f) (vx_graph graph, vx_node node, vx_bool& regen_not_needed);
+typedef vx_status(VX_CALLBACK * amd_drama_add_node_f)(vx_node node, vx_enum kernel_id, vx_reference * paramList, vx_uint32 paramCount);
+typedef vx_status(VX_CALLBACK * amd_kernel_node_regen_callback_f)(vx_node node, amd_drama_add_node_f add_node_f, vx_bool& replace_original);
 
 /*! \brief AMD usernode callback for updating the OpenCL global_work[]. The framework will pass
 *   OpenVX objects as parameters to OpenCL kernels in othe order they appear to OpenVX node and