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blender-archive/source/blender/compositor/operations/COM_MixOperation.cc

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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2011, Blender Foundation.
*/
#include "COM_MixOperation.h"
#include "BLI_math.h"
namespace blender::compositor {
/* ******** Mix Base Operation ******** */
MixBaseOperation::MixBaseOperation()
{
this->addInputSocket(DataType::Value);
this->addInputSocket(DataType::Color);
this->addInputSocket(DataType::Color);
this->addOutputSocket(DataType::Color);
this->m_inputValueOperation = nullptr;
this->m_inputColor1Operation = nullptr;
this->m_inputColor2Operation = nullptr;
this->setUseValueAlphaMultiply(false);
this->setUseClamp(false);
}
void MixBaseOperation::initExecution()
{
this->m_inputValueOperation = this->getInputSocketReader(0);
this->m_inputColor1Operation = this->getInputSocketReader(1);
this->m_inputColor2Operation = this->getInputSocketReader(2);
}
void MixBaseOperation::executePixelSampled(float output[4], float x, float y, PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
output[0] = valuem * (inputColor1[0]) + value * (inputColor2[0]);
output[1] = valuem * (inputColor1[1]) + value * (inputColor2[1]);
output[2] = valuem * (inputColor1[2]) + value * (inputColor2[2]);
output[3] = inputColor1[3];
}
void MixBaseOperation::determineResolution(unsigned int resolution[2],
unsigned int preferredResolution[2])
{
NodeOperationInput *socket;
unsigned int tempPreferredResolution[2] = {0, 0};
unsigned int tempResolution[2];
socket = this->getInputSocket(1);
socket->determineResolution(tempResolution, tempPreferredResolution);
if ((tempResolution[0] != 0) && (tempResolution[1] != 0)) {
this->setResolutionInputSocketIndex(1);
}
else {
socket = this->getInputSocket(2);
socket->determineResolution(tempResolution, tempPreferredResolution);
if ((tempResolution[0] != 0) && (tempResolution[1] != 0)) {
this->setResolutionInputSocketIndex(2);
}
else {
this->setResolutionInputSocketIndex(0);
}
}
NodeOperation::determineResolution(resolution, preferredResolution);
}
void MixBaseOperation::deinitExecution()
{
this->m_inputValueOperation = nullptr;
this->m_inputColor1Operation = nullptr;
this->m_inputColor2Operation = nullptr;
}
/* ******** Mix Add Operation ******** */
MixAddOperation::MixAddOperation()
{
/* pass */
}
void MixAddOperation::executePixelSampled(float output[4], float x, float y, PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
output[0] = inputColor1[0] + value * inputColor2[0];
output[1] = inputColor1[1] + value * inputColor2[1];
output[2] = inputColor1[2] + value * inputColor2[2];
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Blend Operation ******** */
MixBlendOperation::MixBlendOperation()
{
/* pass */
}
void MixBlendOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
float value;
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
output[0] = valuem * (inputColor1[0]) + value * (inputColor2[0]);
output[1] = valuem * (inputColor1[1]) + value * (inputColor2[1]);
output[2] = valuem * (inputColor1[2]) + value * (inputColor2[2]);
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Burn Operation ******** */
MixColorBurnOperation::MixColorBurnOperation()
{
/* pass */
}
void MixColorBurnOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
float tmp;
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
tmp = valuem + value * inputColor2[0];
if (tmp <= 0.0f) {
output[0] = 0.0f;
}
else {
tmp = 1.0f - (1.0f - inputColor1[0]) / tmp;
if (tmp < 0.0f) {
output[0] = 0.0f;
}
else if (tmp > 1.0f) {
output[0] = 1.0f;
}
else {
output[0] = tmp;
}
}
tmp = valuem + value * inputColor2[1];
if (tmp <= 0.0f) {
output[1] = 0.0f;
}
else {
tmp = 1.0f - (1.0f - inputColor1[1]) / tmp;
if (tmp < 0.0f) {
output[1] = 0.0f;
}
else if (tmp > 1.0f) {
output[1] = 1.0f;
}
else {
output[1] = tmp;
}
}
tmp = valuem + value * inputColor2[2];
if (tmp <= 0.0f) {
output[2] = 0.0f;
}
else {
tmp = 1.0f - (1.0f - inputColor1[2]) / tmp;
if (tmp < 0.0f) {
output[2] = 0.0f;
}
else if (tmp > 1.0f) {
output[2] = 1.0f;
}
else {
output[2] = tmp;
}
}
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Color Operation ******** */
MixColorOperation::MixColorOperation()
{
/* pass */
}
void MixColorOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
float colH, colS, colV;
rgb_to_hsv(inputColor2[0], inputColor2[1], inputColor2[2], &colH, &colS, &colV);
if (colS != 0.0f) {
float rH, rS, rV;
float tmpr, tmpg, tmpb;
rgb_to_hsv(inputColor1[0], inputColor1[1], inputColor1[2], &rH, &rS, &rV);
hsv_to_rgb(colH, colS, rV, &tmpr, &tmpg, &tmpb);
output[0] = (valuem * inputColor1[0]) + (value * tmpr);
output[1] = (valuem * inputColor1[1]) + (value * tmpg);
output[2] = (valuem * inputColor1[2]) + (value * tmpb);
}
else {
copy_v3_v3(output, inputColor1);
}
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Darken Operation ******** */
MixDarkenOperation::MixDarkenOperation()
{
/* pass */
}
void MixDarkenOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
output[0] = min_ff(inputColor1[0], inputColor2[0]) * value + inputColor1[0] * valuem;
output[1] = min_ff(inputColor1[1], inputColor2[1]) * value + inputColor1[1] * valuem;
output[2] = min_ff(inputColor1[2], inputColor2[2]) * value + inputColor1[2] * valuem;
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Difference Operation ******** */
MixDifferenceOperation::MixDifferenceOperation()
{
/* pass */
}
void MixDifferenceOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
output[0] = valuem * inputColor1[0] + value * fabsf(inputColor1[0] - inputColor2[0]);
output[1] = valuem * inputColor1[1] + value * fabsf(inputColor1[1] - inputColor2[1]);
output[2] = valuem * inputColor1[2] + value * fabsf(inputColor1[2] - inputColor2[2]);
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Difference Operation ******** */
MixDivideOperation::MixDivideOperation()
{
/* pass */
}
void MixDivideOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
if (inputColor2[0] != 0.0f) {
output[0] = valuem * (inputColor1[0]) + value * (inputColor1[0]) / inputColor2[0];
}
else {
output[0] = 0.0f;
}
if (inputColor2[1] != 0.0f) {
output[1] = valuem * (inputColor1[1]) + value * (inputColor1[1]) / inputColor2[1];
}
else {
output[1] = 0.0f;
}
if (inputColor2[2] != 0.0f) {
output[2] = valuem * (inputColor1[2]) + value * (inputColor1[2]) / inputColor2[2];
}
else {
output[2] = 0.0f;
}
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Dodge Operation ******** */
MixDodgeOperation::MixDodgeOperation()
{
/* pass */
}
void MixDodgeOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
float tmp;
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
if (inputColor1[0] != 0.0f) {
tmp = 1.0f - value * inputColor2[0];
if (tmp <= 0.0f) {
output[0] = 1.0f;
}
else {
tmp = inputColor1[0] / tmp;
if (tmp > 1.0f) {
output[0] = 1.0f;
}
else {
output[0] = tmp;
}
}
}
else {
output[0] = 0.0f;
}
if (inputColor1[1] != 0.0f) {
tmp = 1.0f - value * inputColor2[1];
if (tmp <= 0.0f) {
output[1] = 1.0f;
}
else {
tmp = inputColor1[1] / tmp;
if (tmp > 1.0f) {
output[1] = 1.0f;
}
else {
output[1] = tmp;
}
}
}
else {
output[1] = 0.0f;
}
if (inputColor1[2] != 0.0f) {
tmp = 1.0f - value * inputColor2[2];
if (tmp <= 0.0f) {
output[2] = 1.0f;
}
else {
tmp = inputColor1[2] / tmp;
if (tmp > 1.0f) {
output[2] = 1.0f;
}
else {
output[2] = tmp;
}
}
}
else {
output[2] = 0.0f;
}
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Glare Operation ******** */
MixGlareOperation::MixGlareOperation()
{
/* pass */
}
void MixGlareOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
float value;
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
value = inputValue[0];
float mf = 2.0f - 2.0f * fabsf(value - 0.5f);
if (inputColor1[0] < 0.0f) {
inputColor1[0] = 0.0f;
}
if (inputColor1[1] < 0.0f) {
inputColor1[1] = 0.0f;
}
if (inputColor1[2] < 0.0f) {
inputColor1[2] = 0.0f;
}
output[0] = mf * MAX2(inputColor1[0] + value * (inputColor2[0] - inputColor1[0]), 0.0f);
output[1] = mf * MAX2(inputColor1[1] + value * (inputColor2[1] - inputColor1[1]), 0.0f);
output[2] = mf * MAX2(inputColor1[2] + value * (inputColor2[2] - inputColor1[2]), 0.0f);
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Hue Operation ******** */
MixHueOperation::MixHueOperation()
{
/* pass */
}
void MixHueOperation::executePixelSampled(float output[4], float x, float y, PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
float colH, colS, colV;
rgb_to_hsv(inputColor2[0], inputColor2[1], inputColor2[2], &colH, &colS, &colV);
if (colS != 0.0f) {
float rH, rS, rV;
float tmpr, tmpg, tmpb;
rgb_to_hsv(inputColor1[0], inputColor1[1], inputColor1[2], &rH, &rS, &rV);
hsv_to_rgb(colH, rS, rV, &tmpr, &tmpg, &tmpb);
output[0] = valuem * (inputColor1[0]) + value * tmpr;
output[1] = valuem * (inputColor1[1]) + value * tmpg;
output[2] = valuem * (inputColor1[2]) + value * tmpb;
}
else {
copy_v3_v3(output, inputColor1);
}
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Lighten Operation ******** */
MixLightenOperation::MixLightenOperation()
{
/* pass */
}
void MixLightenOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float tmp;
tmp = value * inputColor2[0];
if (tmp > inputColor1[0]) {
output[0] = tmp;
}
else {
output[0] = inputColor1[0];
}
tmp = value * inputColor2[1];
if (tmp > inputColor1[1]) {
output[1] = tmp;
}
else {
output[1] = inputColor1[1];
}
tmp = value * inputColor2[2];
if (tmp > inputColor1[2]) {
output[2] = tmp;
}
else {
output[2] = inputColor1[2];
}
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Linear Light Operation ******** */
MixLinearLightOperation::MixLinearLightOperation()
{
/* pass */
}
void MixLinearLightOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
if (inputColor2[0] > 0.5f) {
output[0] = inputColor1[0] + value * (2.0f * (inputColor2[0] - 0.5f));
}
else {
output[0] = inputColor1[0] + value * (2.0f * (inputColor2[0]) - 1.0f);
}
if (inputColor2[1] > 0.5f) {
output[1] = inputColor1[1] + value * (2.0f * (inputColor2[1] - 0.5f));
}
else {
output[1] = inputColor1[1] + value * (2.0f * (inputColor2[1]) - 1.0f);
}
if (inputColor2[2] > 0.5f) {
output[2] = inputColor1[2] + value * (2.0f * (inputColor2[2] - 0.5f));
}
else {
output[2] = inputColor1[2] + value * (2.0f * (inputColor2[2]) - 1.0f);
}
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Multiply Operation ******** */
MixMultiplyOperation::MixMultiplyOperation()
{
/* pass */
}
void MixMultiplyOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
output[0] = inputColor1[0] * (valuem + value * inputColor2[0]);
output[1] = inputColor1[1] * (valuem + value * inputColor2[1]);
output[2] = inputColor1[2] * (valuem + value * inputColor2[2]);
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Overlay Operation ******** */
MixOverlayOperation::MixOverlayOperation()
{
/* pass */
}
void MixOverlayOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
if (inputColor1[0] < 0.5f) {
output[0] = inputColor1[0] * (valuem + 2.0f * value * inputColor2[0]);
}
else {
output[0] = 1.0f - (valuem + 2.0f * value * (1.0f - inputColor2[0])) * (1.0f - inputColor1[0]);
}
if (inputColor1[1] < 0.5f) {
output[1] = inputColor1[1] * (valuem + 2.0f * value * inputColor2[1]);
}
else {
output[1] = 1.0f - (valuem + 2.0f * value * (1.0f - inputColor2[1])) * (1.0f - inputColor1[1]);
}
if (inputColor1[2] < 0.5f) {
output[2] = inputColor1[2] * (valuem + 2.0f * value * inputColor2[2]);
}
else {
output[2] = 1.0f - (valuem + 2.0f * value * (1.0f - inputColor2[2])) * (1.0f - inputColor1[2]);
}
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Saturation Operation ******** */
MixSaturationOperation::MixSaturationOperation()
{
/* pass */
}
void MixSaturationOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
float rH, rS, rV;
rgb_to_hsv(inputColor1[0], inputColor1[1], inputColor1[2], &rH, &rS, &rV);
if (rS != 0.0f) {
float colH, colS, colV;
rgb_to_hsv(inputColor2[0], inputColor2[1], inputColor2[2], &colH, &colS, &colV);
hsv_to_rgb(rH, (valuem * rS + value * colS), rV, &output[0], &output[1], &output[2]);
}
else {
copy_v3_v3(output, inputColor1);
}
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Screen Operation ******** */
MixScreenOperation::MixScreenOperation()
{
/* pass */
}
void MixScreenOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
output[0] = 1.0f - (valuem + value * (1.0f - inputColor2[0])) * (1.0f - inputColor1[0]);
output[1] = 1.0f - (valuem + value * (1.0f - inputColor2[1])) * (1.0f - inputColor1[1]);
output[2] = 1.0f - (valuem + value * (1.0f - inputColor2[2])) * (1.0f - inputColor1[2]);
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Soft Light Operation ******** */
MixSoftLightOperation::MixSoftLightOperation()
{
/* pass */
}
void MixSoftLightOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
float scr, scg, scb;
/* first calculate non-fac based Screen mix */
scr = 1.0f - (1.0f - inputColor2[0]) * (1.0f - inputColor1[0]);
scg = 1.0f - (1.0f - inputColor2[1]) * (1.0f - inputColor1[1]);
scb = 1.0f - (1.0f - inputColor2[2]) * (1.0f - inputColor1[2]);
output[0] = valuem * (inputColor1[0]) +
value * (((1.0f - inputColor1[0]) * inputColor2[0] * (inputColor1[0])) +
(inputColor1[0] * scr));
output[1] = valuem * (inputColor1[1]) +
value * (((1.0f - inputColor1[1]) * inputColor2[1] * (inputColor1[1])) +
(inputColor1[1] * scg));
output[2] = valuem * (inputColor1[2]) +
value * (((1.0f - inputColor1[2]) * inputColor2[2] * (inputColor1[2])) +
(inputColor1[2] * scb));
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Subtract Operation ******** */
MixSubtractOperation::MixSubtractOperation()
{
/* pass */
}
void MixSubtractOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
output[0] = inputColor1[0] - value * (inputColor2[0]);
output[1] = inputColor1[1] - value * (inputColor2[1]);
output[2] = inputColor1[2] - value * (inputColor2[2]);
output[3] = inputColor1[3];
clampIfNeeded(output);
}
/* ******** Mix Value Operation ******** */
MixValueOperation::MixValueOperation()
{
/* pass */
}
void MixValueOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float inputColor1[4];
float inputColor2[4];
float inputValue[4];
this->m_inputValueOperation->readSampled(inputValue, x, y, sampler);
this->m_inputColor1Operation->readSampled(inputColor1, x, y, sampler);
this->m_inputColor2Operation->readSampled(inputColor2, x, y, sampler);
float value = inputValue[0];
if (this->useValueAlphaMultiply()) {
value *= inputColor2[3];
}
float valuem = 1.0f - value;
float rH, rS, rV;
float colH, colS, colV;
rgb_to_hsv(inputColor1[0], inputColor1[1], inputColor1[2], &rH, &rS, &rV);
rgb_to_hsv(inputColor2[0], inputColor2[1], inputColor2[2], &colH, &colS, &colV);
hsv_to_rgb(rH, rS, (valuem * rV + value * colV), &output[0], &output[1], &output[2]);
output[3] = inputColor1[3];
clampIfNeeded(output);
}
} // namespace blender::compositor