Differential D3786 Diff 12130 intern/cycles/kernel/svm/svm_vector_rotate.h

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intern/cycles/kernel/svm/svm_vector_rotate.h

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				/*
				* Copyright 2011-2014 Blender Foundation
				*
				* Licensed under the Apache License, Version 2.0 (the "License");
				* you may not use this file except in compliance with the License.
				* You may obtain a copy of the License at
				*
				* http://www.apache.org/licenses/LICENSE-2.0
				*
				* Unless required by applicable law or agreed to in writing, software
				* distributed under the License is distributed on an "AS IS" BASIS,
				* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
				* See the License for the specific language governing permissions and
				* limitations under the License.
				*/

				CCL_NAMESPACE_BEGIN

				/* Vector Rotate */

				ccl_device void svm_node_vector_rotate(KernelGlobals kg, ShaderData sd, float stack, uint4 node, int offset)
				{
				uint4 node2 = read_node(kg, offset);

				uint vector_in, origin_in, vector_out;
				uint x_offset, y_offset, z_offset;

				decode_node_uchar4(node.y, &vector_in, &origin_in, &vector_out, NULL);
				decode_node_uchar4(node.z, &x_offset, &y_offset, &z_offset, NULL);

				float x = stack_load_float_default(stack, x_offset, node2.x);
				float y = stack_load_float_default(stack, y_offset, node2.y);
				float z = stack_load_float_default(stack, z_offset, node2.z);

				float3 in = stack_load_float3(stack, vector_in);
				float3 origin = stack_load_float3(stack, origin_in);

				Transform tmat = transform_translate(origin);
				Transform rmat = transform_euler(make_float3(x, y, z));
				Transform mat;

				mat = tmat * rmat;

				in = in - origin;
				in = transform_point(&mat, in);

				/* Output */
				if (stack_valid(vector_out)) {
				stack_store_float3(stack, vector_out, in);
				}

				}

				CCL_NAMESPACE_END