forked from bartvdbraak/blender
2b999c6a68
These functions no longer accept NULL. They were renamed for clarity and to avoid hidden merge issues. Ref D5363
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*
|
|
* Copyright 2011-2013 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
|
|
|
|
ccl_device void svm_node_tex_white_noise(KernelGlobals *kg,
|
|
ShaderData *sd,
|
|
float *stack,
|
|
uint dimensions,
|
|
uint inputs_stack_offsets,
|
|
uint value_stack_offset,
|
|
int *offset)
|
|
{
|
|
uint vector_stack_offset, w_stack_offset;
|
|
svm_unpack_node_uchar2(inputs_stack_offsets, &vector_stack_offset, &w_stack_offset);
|
|
|
|
float3 vector = stack_load_float3(stack, vector_stack_offset);
|
|
float w = stack_load_float(stack, w_stack_offset);
|
|
|
|
float value;
|
|
switch (dimensions) {
|
|
case 1:
|
|
value = hash_float_to_float(w);
|
|
break;
|
|
case 2:
|
|
value = hash_float2_to_float(make_float2(vector.x, vector.y));
|
|
break;
|
|
case 3:
|
|
value = hash_float3_to_float(vector);
|
|
break;
|
|
case 4:
|
|
value = hash_float4_to_float(make_float4(vector.x, vector.y, vector.z, w));
|
|
break;
|
|
default:
|
|
value = 0.0f;
|
|
kernel_assert(0);
|
|
break;
|
|
}
|
|
stack_store_float(stack, value_stack_offset, value);
|
|
}
|
|
|
|
CCL_NAMESPACE_END
|