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Compositor: Full frame previews 

Adds full frame implementation to PreviewOperation.

Part of T88150.
This commit is contained in:
Manuel Castilla 2021-09-11 15:12:22 +02:00
parent cbe05edde5
commit 863460e5a5
2 changed files with 46 additions and 2 deletions
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39
source/blender/compositor/operations/COM_PreviewOperation.cc
View File

@ -171,4 +171,43 @@ eCompositorPriority PreviewOperation::getRenderPriority() const
return eCompositorPriority::Low;
}
void PreviewOperation::get_area_of_interest(const int input_idx,
const rcti &output_area,
rcti &r_input_area)
{
BLI_assert(input_idx == 0);
UNUSED_VARS_NDEBUG(input_idx);
r_input_area.xmin = output_area.xmin / m_divider;
r_input_area.xmax = output_area.xmax / m_divider;
r_input_area.ymin = output_area.ymin / m_divider;
r_input_area.ymax = output_area.ymax / m_divider;
}
void PreviewOperation::update_memory_buffer_partial(MemoryBuffer *UNUSED(output),
const rcti &area,
Span<MemoryBuffer *> inputs)
{
MemoryBuffer *input = inputs[0];
struct ColormanageProcessor *cm_processor = IMB_colormanagement_display_processor_new(
m_viewSettings, m_displaySettings);
rcti buffer_area;
BLI_rcti_init(&buffer_area, 0, this->getWidth(), 0, this->getHeight());
BuffersIteratorBuilder<uchar> it_builder(
m_outputBuffer, buffer_area, area, COM_data_type_num_channels(DataType::Color));
for (BuffersIterator<uchar> it = it_builder.build(); !it.is_end(); ++it) {
const float rx = it.x / m_divider;
const float ry = it.y / m_divider;
float color[4];
input->read_elem_checked(rx, ry, color);
IMB_colormanagement_processor_apply_v4(cm_processor, color);
rgba_float_to_uchar(it.out, color);
}
IMB_colormanagement_processor_free(cm_processor);
}
} // namespace blender::compositor

9
source/blender/compositor/operations/COM_PreviewOperation.h
View File

@ -20,13 +20,13 @@
#include "BKE_global.h"
#include "BLI_rect.h"
#include "COM_NodeOperation.h"
#include "COM_MultiThreadedOperation.h"
#include "DNA_color_types.h"
#include "DNA_image_types.h"
namespace blender::compositor {
class PreviewOperation : public NodeOperation {
class PreviewOperation : public MultiThreadedOperation {
protected:
unsigned char *m_outputBuffer;
@ -63,6 +63,11 @@ class PreviewOperation : public NodeOperation {
bool determineDependingAreaOfInterest(rcti *input,
ReadBufferOperation *readOperation,
rcti *output) override;
void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) override;
void update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
};
} // namespace blender::compositor