e955c94ed3
Listing the "Blender Foundation" as copyright holder implied the Blender Foundation holds copyright to files which may include work from many developers. While keeping copyright on headers makes sense for isolated libraries, Blender's own code may be refactored or moved between files in a way that makes the per file copyright holders less meaningful. Copyright references to the "Blender Foundation" have been replaced with "Blender Authors", with the exception of `./extern/` since these this contains libraries which are more isolated, any changed to license headers there can be handled on a case-by-case basis. Some directories in `./intern/` have also been excluded: - `./intern/cycles/` it's own `AUTHORS` file is planned. - `./intern/opensubdiv/`. An "AUTHORS" file has been added, using the chromium projects authors file as a template. Design task: #110784 Ref !110783.
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/* SPDX-FileCopyrightText: 2021 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "COM_PosterizeOperation.h"
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namespace blender::compositor {
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PosterizeOperation::PosterizeOperation()
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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_output_socket(DataType::Color);
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input_program_ = nullptr;
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input_steps_program_ = nullptr;
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flags_.can_be_constant = true;
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}
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void PosterizeOperation::init_execution()
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{
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input_program_ = this->get_input_socket_reader(0);
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input_steps_program_ = this->get_input_socket_reader(1);
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}
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void PosterizeOperation::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 input_value[4];
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float input_steps[4];
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input_program_->read_sampled(input_value, x, y, sampler);
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input_steps_program_->read_sampled(input_steps, x, y, sampler);
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CLAMP(input_steps[0], 2.0f, 1024.0f);
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const float steps_inv = 1.0f / input_steps[0];
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output[0] = floor(input_value[0] / steps_inv) * steps_inv;
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output[1] = floor(input_value[1] / steps_inv) * steps_inv;
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output[2] = floor(input_value[2] / steps_inv) * steps_inv;
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output[3] = input_value[3];
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}
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void PosterizeOperation::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 *in_value = it.in(0);
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const float *in_steps = it.in(1);
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float steps = in_steps[0];
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CLAMP(steps, 2.0f, 1024.0f);
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const float steps_inv = 1.0f / steps;
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it.out[0] = floor(in_value[0] / steps_inv) * steps_inv;
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it.out[1] = floor(in_value[1] / steps_inv) * steps_inv;
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it.out[2] = floor(in_value[2] / steps_inv) * steps_inv;
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it.out[3] = in_value[3];
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}
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}
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void PosterizeOperation::deinit_execution()
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{
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input_program_ = nullptr;
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input_steps_program_ = nullptr;
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}
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} // namespace blender::compositor
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