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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2011 Blender Foundation. */
#include "COM_MultilayerImageOperation.h"
#include "IMB_imbuf.h"
namespace blender::compositor {
MultilayerBaseOperation::MultilayerBaseOperation(RenderLayer *render_layer,
RenderPass *render_pass,
int view)
{
pass_id_ = BLI_findindex(&render_layer->passes, render_pass);
view_ = view;
render_layer_ = render_layer;
render_pass_ = render_pass;
}
ImBuf *MultilayerBaseOperation::get_im_buf()
{
/* temporarily changes the view to get the right ImBuf */
int view = image_user_->view;
image_user_->view = view_;
image_user_->pass = pass_id_;
if (BKE_image_multilayer_index(image_->rr, image_user_)) {
ImBuf *ibuf = BaseImageOperation::get_im_buf();
image_user_->view = view;
return ibuf;
}
image_user_->view = view;
return nullptr;
}
void MultilayerBaseOperation::update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> /*inputs*/)
{
output->copy_from(buffer_, area);
}
std::unique_ptr<MetaData> MultilayerColorOperation::get_meta_data()
{
BLI_assert(buffer_);
MetaDataExtractCallbackData callback_data = {nullptr};
RenderResult *render_result = image_->rr;
if (render_result && render_result->stamp_data) {
RenderLayer *render_layer = render_layer_;
RenderPass *render_pass = render_pass_;
std::string full_layer_name =
std::string(render_layer->name,
BLI_strnlen(render_layer->name, sizeof(render_layer->name))) +
"." +
std::string(render_pass->name, BLI_strnlen(render_pass->name, sizeof(render_pass->name)));
blender::StringRef cryptomatte_layer_name =
blender::bke::cryptomatte::BKE_cryptomatte_extract_layer_name(full_layer_name);
callback_data.set_cryptomatte_keys(cryptomatte_layer_name);
BKE_stamp_info_callback(&callback_data,
render_result->stamp_data,
MetaDataExtractCallbackData::extract_cryptomatte_meta_data,
false);
}
return std::move(callback_data.meta_data);
}
void MultilayerColorOperation::execute_pixel_sampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
if (image_float_buffer_ == nullptr) {
zero_v4(output);
}
else {
if (number_of_channels_ == 4) {
switch (sampler) {
case PixelSampler::Nearest:
nearest_interpolation_color(buffer_, nullptr, output, x, y);
break;
case PixelSampler::Bilinear:
bilinear_interpolation_color(buffer_, nullptr, output, x, y);
break;
case PixelSampler::Bicubic:
bicubic_interpolation_color(buffer_, nullptr, output, x, y);
break;
}
}
else {
int yi = y;
int xi = x;
if (xi < 0 || yi < 0 || uint(xi) >= this->get_width() || uint(yi) >= this->get_height()) {
zero_v4(output);
}
else {
int offset = (yi * this->get_width() + xi) * 3;
copy_v3_v3(output, &image_float_buffer_[offset]);
}
}
}
}
void MultilayerValueOperation::execute_pixel_sampled(float output[4],
float x,
float y,
PixelSampler /*sampler*/)
{
if (image_float_buffer_ == nullptr) {
output[0] = 0.0f;
}
else {
int yi = y;
int xi = x;
if (xi < 0 || yi < 0 || uint(xi) >= this->get_width() || uint(yi) >= this->get_height()) {
output[0] = 0.0f;
}
else {
float result = image_float_buffer_[yi * this->get_width() + xi];
output[0] = result;
}
}
}
void MultilayerVectorOperation::execute_pixel_sampled(float output[4],
float x,
float y,
PixelSampler /*sampler*/)
{
if (image_float_buffer_ == nullptr) {
output[0] = 0.0f;
}
else {
int yi = y;
int xi = x;
if (xi < 0 || yi < 0 || uint(xi) >= this->get_width() || uint(yi) >= this->get_height()) {
output[0] = 0.0f;
}
else {
int offset = (yi * this->get_width() + xi) * 3;
copy_v3_v3(output, &image_float_buffer_[offset]);
}
}
}
} // namespace blender::compositor
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