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diff --git a/intern/cycles/kernel/svm/svm_color_util.h b/intern/cycles/kernel/svm/svm_color_util.h
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-/*
- * 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 float3 svm_mix_blend(float t, float3 col1, float3 col2)
-{
- return interp(col1, col2, t);
-}
-
-ccl_device float3 svm_mix_add(float t, float3 col1, float3 col2)
-{
- return interp(col1, col1 + col2, t);
-}
-
-ccl_device float3 svm_mix_mul(float t, float3 col1, float3 col2)
-{
- return interp(col1, col1 * col2, t);
-}
-
-ccl_device float3 svm_mix_screen(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
- float3 one = make_float3(1.0f, 1.0f, 1.0f);
- float3 tm3 = make_float3(tm, tm, tm);
-
- return one - (tm3 + t * (one - col2)) * (one - col1);
-}
-
-ccl_device float3 svm_mix_overlay(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
-
- float3 outcol = col1;
-
- if (outcol.x < 0.5f)
- outcol.x *= tm + 2.0f * t * col2.x;
- else
- outcol.x = 1.0f - (tm + 2.0f * t * (1.0f - col2.x)) * (1.0f - outcol.x);
-
- if (outcol.y < 0.5f)
- outcol.y *= tm + 2.0f * t * col2.y;
- else
- outcol.y = 1.0f - (tm + 2.0f * t * (1.0f - col2.y)) * (1.0f - outcol.y);
-
- if (outcol.z < 0.5f)
- outcol.z *= tm + 2.0f * t * col2.z;
- else
- outcol.z = 1.0f - (tm + 2.0f * t * (1.0f - col2.z)) * (1.0f - outcol.z);
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_sub(float t, float3 col1, float3 col2)
-{
- return interp(col1, col1 - col2, t);
-}
-
-ccl_device float3 svm_mix_div(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
-
- float3 outcol = col1;
-
- if (col2.x != 0.0f)
- outcol.x = tm * outcol.x + t * outcol.x / col2.x;
- if (col2.y != 0.0f)
- outcol.y = tm * outcol.y + t * outcol.y / col2.y;
- if (col2.z != 0.0f)
- outcol.z = tm * outcol.z + t * outcol.z / col2.z;
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_diff(float t, float3 col1, float3 col2)
-{
- return interp(col1, fabs(col1 - col2), t);
-}
-
-ccl_device float3 svm_mix_dark(float t, float3 col1, float3 col2)
-{
- return interp(col1, min(col1, col2), t);
-}
-
-ccl_device float3 svm_mix_light(float t, float3 col1, float3 col2)
-{
- return interp(col1, max(col1, col2), t);
-}
-
-ccl_device float3 svm_mix_dodge(float t, float3 col1, float3 col2)
-{
- float3 outcol = col1;
-
- if (outcol.x != 0.0f) {
- float tmp = 1.0f - t * col2.x;
- if (tmp <= 0.0f)
- outcol.x = 1.0f;
- else if ((tmp = outcol.x / tmp) > 1.0f)
- outcol.x = 1.0f;
- else
- outcol.x = tmp;
- }
- if (outcol.y != 0.0f) {
- float tmp = 1.0f - t * col2.y;
- if (tmp <= 0.0f)
- outcol.y = 1.0f;
- else if ((tmp = outcol.y / tmp) > 1.0f)
- outcol.y = 1.0f;
- else
- outcol.y = tmp;
- }
- if (outcol.z != 0.0f) {
- float tmp = 1.0f - t * col2.z;
- if (tmp <= 0.0f)
- outcol.z = 1.0f;
- else if ((tmp = outcol.z / tmp) > 1.0f)
- outcol.z = 1.0f;
- else
- outcol.z = tmp;
- }
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_burn(float t, float3 col1, float3 col2)
-{
- float tmp, tm = 1.0f - t;
-
- float3 outcol = col1;
-
- tmp = tm + t * col2.x;
- if (tmp <= 0.0f)
- outcol.x = 0.0f;
- else if ((tmp = (1.0f - (1.0f - outcol.x) / tmp)) < 0.0f)
- outcol.x = 0.0f;
- else if (tmp > 1.0f)
- outcol.x = 1.0f;
- else
- outcol.x = tmp;
-
- tmp = tm + t * col2.y;
- if (tmp <= 0.0f)
- outcol.y = 0.0f;
- else if ((tmp = (1.0f - (1.0f - outcol.y) / tmp)) < 0.0f)
- outcol.y = 0.0f;
- else if (tmp > 1.0f)
- outcol.y = 1.0f;
- else
- outcol.y = tmp;
-
- tmp = tm + t * col2.z;
- if (tmp <= 0.0f)
- outcol.z = 0.0f;
- else if ((tmp = (1.0f - (1.0f - outcol.z) / tmp)) < 0.0f)
- outcol.z = 0.0f;
- else if (tmp > 1.0f)
- outcol.z = 1.0f;
- else
- outcol.z = tmp;
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_hue(float t, float3 col1, float3 col2)
-{
- float3 outcol = col1;
-
- float3 hsv2 = rgb_to_hsv(col2);
-
- if (hsv2.y != 0.0f) {
- float3 hsv = rgb_to_hsv(outcol);
- hsv.x = hsv2.x;
- float3 tmp = hsv_to_rgb(hsv);
-
- outcol = interp(outcol, tmp, t);
- }
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_sat(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
-
- float3 outcol = col1;
-
- float3 hsv = rgb_to_hsv(outcol);
-
- if (hsv.y != 0.0f) {
- float3 hsv2 = rgb_to_hsv(col2);
-
- hsv.y = tm * hsv.y + t * hsv2.y;
- outcol = hsv_to_rgb(hsv);
- }
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_val(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
-
- float3 hsv = rgb_to_hsv(col1);
- float3 hsv2 = rgb_to_hsv(col2);
-
- hsv.z = tm * hsv.z + t * hsv2.z;
-
- return hsv_to_rgb(hsv);
-}
-
-ccl_device float3 svm_mix_color(float t, float3 col1, float3 col2)
-{
- float3 outcol = col1;
- float3 hsv2 = rgb_to_hsv(col2);
-
- if (hsv2.y != 0.0f) {
- float3 hsv = rgb_to_hsv(outcol);
- hsv.x = hsv2.x;
- hsv.y = hsv2.y;
- float3 tmp = hsv_to_rgb(hsv);
-
- outcol = interp(outcol, tmp, t);
- }
-
- return outcol;
-}
-
-ccl_device float3 svm_mix_soft(float t, float3 col1, float3 col2)
-{
- float tm = 1.0f - t;
-
- float3 one = make_float3(1.0f, 1.0f, 1.0f);
- float3 scr = one - (one - col2) * (one - col1);
-
- return tm * col1 + t * ((one - col1) * col2 * col1 + col1 * scr);
-}
-
-ccl_device float3 svm_mix_linear(float t, float3 col1, float3 col2)
-{
- return col1 + t * (2.0f * col2 + make_float3(-1.0f, -1.0f, -1.0f));
-}
-
-ccl_device float3 svm_mix_clamp(float3 col)
-{
- return saturate3(col);
-}
-
-ccl_device_noinline_cpu float3 svm_mix(NodeMix type, float fac, float3 c1, float3 c2)
-{
- float t = saturate(fac);
-
- switch (type) {
- case NODE_MIX_BLEND:
- return svm_mix_blend(t, c1, c2);
- case NODE_MIX_ADD:
- return svm_mix_add(t, c1, c2);
- case NODE_MIX_MUL:
- return svm_mix_mul(t, c1, c2);
- case NODE_MIX_SCREEN:
- return svm_mix_screen(t, c1, c2);
- case NODE_MIX_OVERLAY:
- return svm_mix_overlay(t, c1, c2);
- case NODE_MIX_SUB:
- return svm_mix_sub(t, c1, c2);
- case NODE_MIX_DIV:
- return svm_mix_div(t, c1, c2);
- case NODE_MIX_DIFF:
- return svm_mix_diff(t, c1, c2);
- case NODE_MIX_DARK:
- return svm_mix_dark(t, c1, c2);
- case NODE_MIX_LIGHT:
- return svm_mix_light(t, c1, c2);
- case NODE_MIX_DODGE:
- return svm_mix_dodge(t, c1, c2);
- case NODE_MIX_BURN:
- return svm_mix_burn(t, c1, c2);
- case NODE_MIX_HUE:
- return svm_mix_hue(t, c1, c2);
- case NODE_MIX_SAT:
- return svm_mix_sat(t, c1, c2);
- case NODE_MIX_VAL:
- return svm_mix_val(t, c1, c2);
- case NODE_MIX_COLOR:
- return svm_mix_color(t, c1, c2);
- case NODE_MIX_SOFT:
- return svm_mix_soft(t, c1, c2);
- case NODE_MIX_LINEAR:
- return svm_mix_linear(t, c1, c2);
- case NODE_MIX_CLAMP:
- return svm_mix_clamp(c1);
- }
-
- return make_float3(0.0f, 0.0f, 0.0f);
-}
-
-ccl_device_inline float3 svm_brightness_contrast(float3 color, float brightness, float contrast)
-{
- float a = 1.0f + contrast;
- float b = brightness - contrast * 0.5f;
-
- color.x = max(a * color.x + b, 0.0f);
- color.y = max(a * color.y + b, 0.0f);
- color.z = max(a * color.z + b, 0.0f);
-
- return color;
-}
-
-CCL_NAMESPACE_END
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