234 lines
7.7 KiB
C++
234 lines
7.7 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2011, Blender Foundation.
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*/
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#include "COM_ZCombineOperation.h"
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namespace blender::compositor {
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ZCombineOperation::ZCombineOperation()
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{
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this->add_input_socket(DataType::Color);
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this->add_input_socket(DataType::Value);
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this->add_input_socket(DataType::Color);
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this->add_input_socket(DataType::Value);
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this->add_output_socket(DataType::Color);
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image1Reader_ = nullptr;
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depth1Reader_ = nullptr;
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image2Reader_ = nullptr;
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depth2Reader_ = nullptr;
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flags_.can_be_constant = true;
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}
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void ZCombineOperation::init_execution()
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{
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image1Reader_ = this->get_input_socket_reader(0);
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depth1Reader_ = this->get_input_socket_reader(1);
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image2Reader_ = this->get_input_socket_reader(2);
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depth2Reader_ = this->get_input_socket_reader(3);
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}
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void ZCombineOperation::execute_pixel_sampled(float output[4],
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float x,
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float y,
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PixelSampler sampler)
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{
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float depth1[4];
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float depth2[4];
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depth1Reader_->read_sampled(depth1, x, y, sampler);
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depth2Reader_->read_sampled(depth2, x, y, sampler);
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if (depth1[0] < depth2[0]) {
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image1Reader_->read_sampled(output, x, y, sampler);
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}
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else {
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image2Reader_->read_sampled(output, x, y, sampler);
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}
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}
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void ZCombineOperation::update_memory_buffer_partial(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs)
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{
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for (BuffersIterator<float> it = output->iterate_with(inputs, area); !it.is_end(); ++it) {
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const float depth1 = *it.in(1);
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const float depth2 = *it.in(3);
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const float *color = (depth1 < depth2) ? it.in(0) : it.in(2);
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copy_v4_v4(it.out, color);
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}
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}
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void ZCombineAlphaOperation::execute_pixel_sampled(float output[4],
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float x,
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float y,
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PixelSampler sampler)
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{
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float depth1[4];
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float depth2[4];
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float color1[4];
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float color2[4];
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depth1Reader_->read_sampled(depth1, x, y, sampler);
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depth2Reader_->read_sampled(depth2, x, y, sampler);
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if (depth1[0] <= depth2[0]) {
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image1Reader_->read_sampled(color1, x, y, sampler);
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image2Reader_->read_sampled(color2, x, y, sampler);
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}
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else {
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image1Reader_->read_sampled(color2, x, y, sampler);
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image2Reader_->read_sampled(color1, x, y, sampler);
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}
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float fac = color1[3];
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float ifac = 1.0f - fac;
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output[0] = fac * color1[0] + ifac * color2[0];
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output[1] = fac * color1[1] + ifac * color2[1];
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output[2] = fac * color1[2] + ifac * color2[2];
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output[3] = MAX2(color1[3], color2[3]);
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}
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void ZCombineAlphaOperation::update_memory_buffer_partial(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs)
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{
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for (BuffersIterator<float> it = output->iterate_with(inputs, area); !it.is_end(); ++it) {
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const float depth1 = *it.in(1);
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const float depth2 = *it.in(3);
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const float *color1;
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const float *color2;
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if (depth1 <= depth2) {
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color1 = it.in(0);
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color2 = it.in(2);
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}
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else {
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color1 = it.in(2);
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color2 = it.in(0);
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}
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const float fac = color1[3];
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const float ifac = 1.0f - fac;
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it.out[0] = fac * color1[0] + ifac * color2[0];
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it.out[1] = fac * color1[1] + ifac * color2[1];
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it.out[2] = fac * color1[2] + ifac * color2[2];
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it.out[3] = MAX2(color1[3], color2[3]);
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}
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}
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void ZCombineOperation::deinit_execution()
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{
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image1Reader_ = nullptr;
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depth1Reader_ = nullptr;
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image2Reader_ = nullptr;
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depth2Reader_ = nullptr;
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}
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// MASK combine
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ZCombineMaskOperation::ZCombineMaskOperation()
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{
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this->add_input_socket(DataType::Value); // mask
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this->add_input_socket(DataType::Color);
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this->add_input_socket(DataType::Color);
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this->add_output_socket(DataType::Color);
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mask_reader_ = nullptr;
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image1Reader_ = nullptr;
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image2Reader_ = nullptr;
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}
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void ZCombineMaskOperation::init_execution()
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{
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mask_reader_ = this->get_input_socket_reader(0);
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image1Reader_ = this->get_input_socket_reader(1);
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image2Reader_ = this->get_input_socket_reader(2);
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}
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void ZCombineMaskOperation::execute_pixel_sampled(float output[4],
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float x,
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float y,
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PixelSampler sampler)
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{
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float mask[4];
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float color1[4];
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float color2[4];
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mask_reader_->read_sampled(mask, x, y, sampler);
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image1Reader_->read_sampled(color1, x, y, sampler);
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image2Reader_->read_sampled(color2, x, y, sampler);
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interp_v4_v4v4(output, color1, color2, 1.0f - mask[0]);
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}
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void ZCombineMaskOperation::update_memory_buffer_partial(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs)
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{
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for (BuffersIterator<float> it = output->iterate_with(inputs, area); !it.is_end(); ++it) {
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const float mask = *it.in(0);
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const float *color1 = it.in(1);
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const float *color2 = it.in(2);
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interp_v4_v4v4(it.out, color1, color2, 1.0f - mask);
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}
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}
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void ZCombineMaskAlphaOperation::execute_pixel_sampled(float output[4],
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float x,
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float y,
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PixelSampler sampler)
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{
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float mask[4];
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float color1[4];
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float color2[4];
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mask_reader_->read_sampled(mask, x, y, sampler);
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image1Reader_->read_sampled(color1, x, y, sampler);
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image2Reader_->read_sampled(color2, x, y, sampler);
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float fac = (1.0f - mask[0]) * (1.0f - color1[3]) + mask[0] * color2[3];
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float mfac = 1.0f - fac;
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output[0] = color1[0] * mfac + color2[0] * fac;
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output[1] = color1[1] * mfac + color2[1] * fac;
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output[2] = color1[2] * mfac + color2[2] * fac;
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output[3] = MAX2(color1[3], color2[3]);
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}
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void ZCombineMaskAlphaOperation::update_memory_buffer_partial(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs)
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{
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for (BuffersIterator<float> it = output->iterate_with(inputs, area); !it.is_end(); ++it) {
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const float mask = *it.in(0);
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const float *color1 = it.in(1);
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const float *color2 = it.in(2);
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const float fac = (1.0f - mask) * (1.0f - color1[3]) + mask * color2[3];
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const float mfac = 1.0f - fac;
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it.out[0] = color1[0] * mfac + color2[0] * fac;
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it.out[1] = color1[1] * mfac + color2[1] * fac;
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it.out[2] = color1[2] * mfac + color2[2] * fac;
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it.out[3] = MAX2(color1[3], color2[3]);
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}
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}
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void ZCombineMaskOperation::deinit_execution()
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{
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image1Reader_ = nullptr;
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mask_reader_ = nullptr;
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image2Reader_ = nullptr;
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}
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} // namespace blender::compositor
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