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

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intern/cycles/kernel/svm/svm_clamp.h

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	* 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

	/* Clamp Node */			/* Clamp Node */

	ccl_device void svm_node_clamp(KernelGlobals *kg,			ccl_device_noinline int svm_node_clamp(const KernelGlobals *kg,
	ShaderData *sd,			ShaderData *sd,
	float *stack,			float *stack,
	uint value_stack_offset,			uint value_stack_offset,
	uint parameters_stack_offsets,			uint parameters_stack_offsets,
	uint result_stack_offset,			uint result_stack_offset,
	int *offset)			int offset)
	{			{
	uint min_stack_offset, max_stack_offset, type;			uint min_stack_offset, max_stack_offset, type;
	svm_unpack_node_uchar3(parameters_stack_offsets, &min_stack_offset, &max_stack_offset, &type);			svm_unpack_node_uchar3(parameters_stack_offsets, &min_stack_offset, &max_stack_offset, &type);

	uint4 defaults = read_node(kg, offset);			uint4 defaults = read_node(kg, &offset);

	float value = stack_load_float(stack, value_stack_offset);			float value = stack_load_float(stack, value_stack_offset);
	float min = stack_load_float_default(stack, min_stack_offset, defaults.x);			float min = stack_load_float_default(stack, min_stack_offset, defaults.x);
	float max = stack_load_float_default(stack, max_stack_offset, defaults.y);			float max = stack_load_float_default(stack, max_stack_offset, defaults.y);

	if (type == NODE_CLAMP_RANGE && (min > max)) {			if (type == NODE_CLAMP_RANGE && (min > max)) {
	stack_store_float(stack, result_stack_offset, clamp(value, max, min));			stack_store_float(stack, result_stack_offset, clamp(value, max, min));
	}			}
	else {			else {
	stack_store_float(stack, result_stack_offset, clamp(value, min, max));			stack_store_float(stack, result_stack_offset, clamp(value, min, max));
	}			}
				return offset;
	}			}

	CCL_NAMESPACE_END			CCL_NAMESPACE_END