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Diffstat (limited to 'intern/cycles/kernel/svm/svm_ramp.h')
-rw-r--r--intern/cycles/kernel/svm/svm_ramp.h168
1 files changed, 0 insertions, 168 deletions
diff --git a/intern/cycles/kernel/svm/svm_ramp.h b/intern/cycles/kernel/svm/svm_ramp.h
deleted file mode 100644
index d2dddf4c6eb..00000000000
--- a/intern/cycles/kernel/svm/svm_ramp.h
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef __SVM_RAMP_H__
-#define __SVM_RAMP_H__
-
-CCL_NAMESPACE_BEGIN
-
-/* NOTE: svm_ramp.h, svm_ramp_util.h and node_ramp_util.h must stay consistent */
-
-ccl_device_inline float fetch_float(KernelGlobals kg, int offset)
-{
- uint4 node = kernel_tex_fetch(__svm_nodes, offset);
- return __uint_as_float(node.x);
-}
-
-ccl_device_inline float float_ramp_lookup(
- KernelGlobals kg, int offset, float f, bool interpolate, bool extrapolate, int table_size)
-{
- if ((f < 0.0f || f > 1.0f) && extrapolate) {
- float t0, dy;
- if (f < 0.0f) {
- t0 = fetch_float(kg, offset);
- dy = t0 - fetch_float(kg, offset + 1);
- f = -f;
- }
- else {
- t0 = fetch_float(kg, offset + table_size - 1);
- dy = t0 - fetch_float(kg, offset + table_size - 2);
- f = f - 1.0f;
- }
- return t0 + dy * f * (table_size - 1);
- }
-
- f = saturate(f) * (table_size - 1);
-
- /* clamp int as well in case of NaN */
- int i = clamp(float_to_int(f), 0, table_size - 1);
- float t = f - (float)i;
-
- float a = fetch_float(kg, offset + i);
-
- if (interpolate && t > 0.0f)
- a = (1.0f - t) * a + t * fetch_float(kg, offset + i + 1);
-
- return a;
-}
-
-ccl_device_inline float4 rgb_ramp_lookup(
- KernelGlobals kg, int offset, float f, bool interpolate, bool extrapolate, int table_size)
-{
- if ((f < 0.0f || f > 1.0f) && extrapolate) {
- float4 t0, dy;
- if (f < 0.0f) {
- t0 = fetch_node_float(kg, offset);
- dy = t0 - fetch_node_float(kg, offset + 1);
- f = -f;
- }
- else {
- t0 = fetch_node_float(kg, offset + table_size - 1);
- dy = t0 - fetch_node_float(kg, offset + table_size - 2);
- f = f - 1.0f;
- }
- return t0 + dy * f * (table_size - 1);
- }
-
- f = saturate(f) * (table_size - 1);
-
- /* clamp int as well in case of NaN */
- int i = clamp(float_to_int(f), 0, table_size - 1);
- float t = f - (float)i;
-
- float4 a = fetch_node_float(kg, offset + i);
-
- if (interpolate && t > 0.0f)
- a = (1.0f - t) * a + t * fetch_node_float(kg, offset + i + 1);
-
- return a;
-}
-
-ccl_device_noinline int svm_node_rgb_ramp(
- KernelGlobals kg, ccl_private ShaderData *sd, ccl_private float *stack, uint4 node, int offset)
-{
- uint fac_offset, color_offset, alpha_offset;
- uint interpolate = node.z;
-
- svm_unpack_node_uchar3(node.y, &fac_offset, &color_offset, &alpha_offset);
-
- uint table_size = read_node(kg, &offset).x;
-
- float fac = stack_load_float(stack, fac_offset);
- float4 color = rgb_ramp_lookup(kg, offset, fac, interpolate, false, table_size);
-
- if (stack_valid(color_offset))
- stack_store_float3(stack, color_offset, float4_to_float3(color));
- if (stack_valid(alpha_offset))
- stack_store_float(stack, alpha_offset, color.w);
-
- offset += table_size;
- return offset;
-}
-
-ccl_device_noinline int svm_node_curves(
- KernelGlobals kg, ccl_private ShaderData *sd, ccl_private float *stack, uint4 node, int offset)
-{
- uint fac_offset, color_offset, out_offset;
- svm_unpack_node_uchar3(node.y, &fac_offset, &color_offset, &out_offset);
-
- uint table_size = read_node(kg, &offset).x;
-
- float fac = stack_load_float(stack, fac_offset);
- float3 color = stack_load_float3(stack, color_offset);
-
- const float min_x = __int_as_float(node.z), max_x = __int_as_float(node.w);
- const float range_x = max_x - min_x;
- const float3 relpos = (color - make_float3(min_x, min_x, min_x)) / range_x;
-
- float r = rgb_ramp_lookup(kg, offset, relpos.x, true, true, table_size).x;
- float g = rgb_ramp_lookup(kg, offset, relpos.y, true, true, table_size).y;
- float b = rgb_ramp_lookup(kg, offset, relpos.z, true, true, table_size).z;
-
- color = (1.0f - fac) * color + fac * make_float3(r, g, b);
- stack_store_float3(stack, out_offset, color);
-
- offset += table_size;
- return offset;
-}
-
-ccl_device_noinline int svm_node_curve(
- KernelGlobals kg, ccl_private ShaderData *sd, ccl_private float *stack, uint4 node, int offset)
-{
- uint fac_offset, value_in_offset, out_offset;
- svm_unpack_node_uchar3(node.y, &fac_offset, &value_in_offset, &out_offset);
-
- uint table_size = read_node(kg, &offset).x;
-
- float fac = stack_load_float(stack, fac_offset);
- float in = stack_load_float(stack, value_in_offset);
-
- const float min = __int_as_float(node.z), max = __int_as_float(node.w);
- const float range = max - min;
- const float relpos = (in - min) / range;
-
- float v = float_ramp_lookup(kg, offset, relpos, true, true, table_size);
-
- in = (1.0f - fac) * in + fac * v;
- stack_store_float(stack, out_offset, in);
-
- offset += table_size;
- return offset;
-}
-
-CCL_NAMESPACE_END
-
-#endif /* __SVM_RAMP_H__ */