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blender-archive/source/blender/compositor/operations/COM_CompositorOperation.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_CompositorOperation.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "RE_pipeline.h"
namespace blender::compositor {
CompositorOperation::CompositorOperation()
{
this->add_input_socket(DataType::Color);
this->add_input_socket(DataType::Value);
this->add_input_socket(DataType::Value);
this->set_render_data(nullptr);
output_buffer_ = nullptr;
depth_buffer_ = nullptr;
image_input_ = nullptr;
alpha_input_ = nullptr;
depth_input_ = nullptr;
use_alpha_input_ = false;
active_ = false;
scene_ = nullptr;
scene_name_[0] = '\0';
view_name_ = nullptr;
flags_.use_render_border = true;
}
void CompositorOperation::init_execution()
{
if (!active_) {
return;
}
/* When initializing the tree during initial load the width and height can be zero. */
image_input_ = get_input_socket_reader(0);
alpha_input_ = get_input_socket_reader(1);
depth_input_ = get_input_socket_reader(2);
if (this->get_width() * this->get_height() != 0) {
output_buffer_ = (float *)MEM_callocN(
sizeof(float[4]) * this->get_width() * this->get_height(), "CompositorOperation");
}
if (depth_input_ != nullptr) {
depth_buffer_ = (float *)MEM_callocN(sizeof(float) * this->get_width() * this->get_height(),
"CompositorOperation");
}
}
void CompositorOperation::deinit_execution()
{
if (!active_) {
return;
}
if (!is_braked()) {
Render *re = RE_GetSceneRender(scene_);
RenderResult *rr = RE_AcquireResultWrite(re);
if (rr) {
RenderView *rv = RE_RenderViewGetByName(rr, view_name_);
if (rv->rectf != nullptr) {
MEM_freeN(rv->rectf);
}
rv->rectf = output_buffer_;
if (rv->rectz != nullptr) {
MEM_freeN(rv->rectz);
}
rv->rectz = depth_buffer_;
rr->have_combined = true;
}
else {
if (output_buffer_) {
MEM_freeN(output_buffer_);
}
if (depth_buffer_) {
MEM_freeN(depth_buffer_);
}
}
if (re) {
RE_ReleaseResult(re);
re = nullptr;
}
BLI_thread_lock(LOCK_DRAW_IMAGE);
BKE_image_signal(G.main,
BKE_image_ensure_viewer(G.main, IMA_TYPE_R_RESULT, "Render Result"),
nullptr,
IMA_SIGNAL_FREE);
BLI_thread_unlock(LOCK_DRAW_IMAGE);
}
else {
if (output_buffer_) {
MEM_freeN(output_buffer_);
}
if (depth_buffer_) {
MEM_freeN(depth_buffer_);
}
}
output_buffer_ = nullptr;
depth_buffer_ = nullptr;
image_input_ = nullptr;
alpha_input_ = nullptr;
depth_input_ = nullptr;
}
void CompositorOperation::execute_region(rcti *rect, unsigned int /*tile_number*/)
{
float color[8]; // 7 is enough
float *buffer = output_buffer_;
float *zbuffer = depth_buffer_;
if (!buffer) {
return;
}
int x1 = rect->xmin;
int y1 = rect->ymin;
int x2 = rect->xmax;
int y2 = rect->ymax;
int offset = (y1 * this->get_width() + x1);
int add = (this->get_width() - (x2 - x1));
int offset4 = offset * COM_DATA_TYPE_COLOR_CHANNELS;
int x;
int y;
bool breaked = false;
int dx = 0, dy = 0;
#if 0
const RenderData *rd = rd_;
if (rd->mode & R_BORDER && rd->mode & R_CROP) {
/**
* When using cropped render result, need to re-position area of interest,
* so it'll match bounds of render border within frame. By default, canvas
* will be centered between full frame and cropped frame, so we use such
* scheme to map cropped coordinates to full-frame coordinates
*
* ^ Y
* | Width
* +------------------------------------------------+
* | |
* | |
* | Centered canvas, we map coordinate from it |
* | +------------------+ |
* | | | | H
* | | | | e
* | +------------------+ . Center | | i
* | | | | | | g
* | | | | | | h
* | |....dx.... +------|-----------+ | t
* | | . dy | |
* | +------------------+ |
* | Render border, we map coordinates to it |
* | | X
* +------------------------------------------------+---->
* Full frame
*/
int full_width = rd->xsch * rd->size / 100;
int full_height = rd->ysch * rd->size / 100;
dx = rd->border.xmin * full_width - (full_width - this->get_width()) / 2.0f;
dy = rd->border.ymin * full_height - (full_height - this->get_height()) / 2.0f;
}
#endif
for (y = y1; y < y2 && (!breaked); y++) {
for (x = x1; x < x2 && (!breaked); x++) {
int input_x = x + dx, input_y = y + dy;
image_input_->read_sampled(color, input_x, input_y, PixelSampler::Nearest);
if (use_alpha_input_) {
alpha_input_->read_sampled(&(color[3]), input_x, input_y, PixelSampler::Nearest);
}
copy_v4_v4(buffer + offset4, color);
depth_input_->read_sampled(color, input_x, input_y, PixelSampler::Nearest);
zbuffer[offset] = color[0];
offset4 += COM_DATA_TYPE_COLOR_CHANNELS;
offset++;
if (is_braked()) {
breaked = true;
}
}
offset += add;
offset4 += add * COM_DATA_TYPE_COLOR_CHANNELS;
}
}
void CompositorOperation::update_memory_buffer_partial(MemoryBuffer *UNUSED(output),
const rcti &area,
Span<MemoryBuffer *> inputs)
{
if (!output_buffer_) {
return;
}
MemoryBuffer output_buf(output_buffer_, COM_DATA_TYPE_COLOR_CHANNELS, get_width(), get_height());
output_buf.copy_from(inputs[0], area);
if (use_alpha_input_) {
output_buf.copy_from(inputs[1], area, 0, COM_DATA_TYPE_VALUE_CHANNELS, 3);
}
MemoryBuffer depth_buf(depth_buffer_, COM_DATA_TYPE_VALUE_CHANNELS, get_width(), get_height());
depth_buf.copy_from(inputs[2], area);
}
void CompositorOperation::determine_canvas(const rcti &UNUSED(preferred_area), rcti &r_area)
{
int width = rd_->xsch * rd_->size / 100;
int height = rd_->ysch * rd_->size / 100;
/* Check actual render resolution with cropping it may differ with cropped border.rendering
* Fix for T31777 Border Crop gives black (easy). */
Render *re = RE_GetSceneRender(scene_);
if (re) {
RenderResult *rr = RE_AcquireResultRead(re);
if (rr) {
width = rr->rectx;
height = rr->recty;
}
RE_ReleaseResult(re);
}
rcti local_preferred;
BLI_rcti_init(&local_preferred, 0, width, 0, height);
switch (execution_model_) {
case eExecutionModel::Tiled:
NodeOperation::determine_canvas(local_preferred, r_area);
r_area = local_preferred;
break;
case eExecutionModel::FullFrame:
set_determined_canvas_modifier([&](rcti &canvas) { canvas = local_preferred; });
NodeOperation::determine_canvas(local_preferred, r_area);
break;
}
}
} // namespace blender::compositor