Differential D12367 Diff 41308 intern/cycles/kernel/svm/svm_normal.h

Changeset View

Standalone View

intern/cycles/kernel/svm/svm_normal.h

	Show All 10 Lines
	* distributed under the License is distributed on an "AS IS" BASIS,			* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and			* See the License for the specific language governing permissions and
	* limitations under the License.			* limitations under the License.
	*/			*/

	CCL_NAMESPACE_BEGIN			CCL_NAMESPACE_BEGIN

	ccl_device void svm_node_normal(KernelGlobals *kg,			ccl_device_noinline int svm_node_normal(const KernelGlobals *kg,
	ShaderData *sd,			ShaderData *sd,
	float *stack,			float *stack,
	uint in_normal_offset,			uint in_normal_offset,
	uint out_normal_offset,			uint out_normal_offset,
	uint out_dot_offset,			uint out_dot_offset,
	int *offset)			int offset)
	{			{
	/* read extra data */			/* read extra data */
	uint4 node1 = read_node(kg, offset);			uint4 node1 = read_node(kg, &offset);
	float3 normal = stack_load_float3(stack, in_normal_offset);			float3 normal = stack_load_float3(stack, in_normal_offset);

	float3 direction;			float3 direction;
	direction.x = __int_as_float(node1.x);			direction.x = __int_as_float(node1.x);
	direction.y = __int_as_float(node1.y);			direction.y = __int_as_float(node1.y);
	direction.z = __int_as_float(node1.z);			direction.z = __int_as_float(node1.z);
	direction = normalize(direction);			direction = normalize(direction);

	if (stack_valid(out_normal_offset))			if (stack_valid(out_normal_offset))
	stack_store_float3(stack, out_normal_offset, direction);			stack_store_float3(stack, out_normal_offset, direction);

	if (stack_valid(out_dot_offset))			if (stack_valid(out_dot_offset))
	stack_store_float(stack, out_dot_offset, dot(direction, normalize(normal)));			stack_store_float(stack, out_dot_offset, dot(direction, normalize(normal)));
				return offset;
	}			}

	CCL_NAMESPACE_END			CCL_NAMESPACE_END