diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_PlaneDistortCommonOperation.cc')
| -rw-r--r-- | source/blender/compositor/operations/COM_PlaneDistortCommonOperation.cc | 115 |
1 files changed, 113 insertions, 2 deletions
diff --git a/source/blender/compositor/operations/COM_PlaneDistortCommonOperation.cc b/source/blender/compositor/operations/COM_PlaneDistortCommonOperation.cc index 4edcc206f5b..a80cbbe942a 100644 --- a/source/blender/compositor/operations/COM_PlaneDistortCommonOperation.cc +++ b/source/blender/compositor/operations/COM_PlaneDistortCommonOperation.cc @@ -85,8 +85,9 @@ void PlaneDistortWarpImageOperation::calculateCorners(const float corners[4][2], { PlaneDistortBaseOperation::calculateCorners(corners, normalized, sample); - const int width = this->m_pixelReader->getWidth(); - const int height = this->m_pixelReader->getHeight(); + const NodeOperation *image = get_input_operation(0); + const int width = image->getWidth(); + const int height = image->getHeight(); float frame_corners[4][2] = { {0.0f, 0.0f}, {(float)width, 0.0f}, {(float)width, (float)height}, {0.0f, (float)height}}; MotionSample *sample_data = &this->m_samples[sample]; @@ -127,6 +128,34 @@ void PlaneDistortWarpImageOperation::executePixelSampled(float output[4], } } +void PlaneDistortWarpImageOperation::update_memory_buffer_partial(MemoryBuffer *output, + const rcti &area, + Span<MemoryBuffer *> inputs) +{ + const MemoryBuffer *input_img = inputs[0]; + float uv[2]; + float deriv[2][2]; + BuffersIterator<float> it = output->iterate_with({}, area); + if (this->m_motion_blur_samples == 1) { + for (; !it.is_end(); ++it) { + warpCoord(it.x, it.y, this->m_samples[0].perspectiveMatrix, uv, deriv); + input_img->read_elem_filtered(uv[0], uv[1], deriv[0], deriv[1], it.out); + } + } + else { + for (; !it.is_end(); ++it) { + zero_v4(it.out); + for (const int sample : IndexRange(this->m_motion_blur_samples)) { + float color[4]; + warpCoord(it.x, it.y, this->m_samples[sample].perspectiveMatrix, uv, deriv); + input_img->read_elem_filtered(uv[0], uv[1], deriv[0], deriv[1], color); + add_v4_v4(it.out, color); + } + mul_v4_fl(it.out, 1.0f / (float)this->m_motion_blur_samples); + } + } +} + bool PlaneDistortWarpImageOperation::determineDependingAreaOfInterest( rcti *input, ReadBufferOperation *readOperation, rcti *output) { @@ -157,6 +186,51 @@ bool PlaneDistortWarpImageOperation::determineDependingAreaOfInterest( return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output); } +void PlaneDistortWarpImageOperation::get_area_of_interest(const int input_idx, + const rcti &output_area, + rcti &r_input_area) +{ + if (input_idx != 0) { + r_input_area = output_area; + return; + } + + /* TODO: figure out the area needed for warping and EWA filtering. */ + r_input_area.xmin = 0; + r_input_area.ymin = 0; + r_input_area.xmax = get_input_operation(0)->getWidth(); + r_input_area.ymax = get_input_operation(0)->getHeight(); + +/* Old implemention but resulting coordinates are way out of input operation bounds and in some + * cases the area result may incorrectly cause cropping. */ +#if 0 + float min[2], max[2]; + INIT_MINMAX2(min, max); + for (int sample = 0; sample < this->m_motion_blur_samples; sample++) { + float UVs[4][2]; + float deriv[2][2]; + MotionSample *sample_data = &this->m_samples[sample]; + /* TODO(sergey): figure out proper way to do this. */ + warpCoord( + output_area.xmin - 2, output_area.ymin - 2, sample_data->perspectiveMatrix, UVs[0], deriv); + warpCoord( + output_area.xmax + 2, output_area.ymin - 2, sample_data->perspectiveMatrix, UVs[1], deriv); + warpCoord( + output_area.xmax + 2, output_area.ymax + 2, sample_data->perspectiveMatrix, UVs[2], deriv); + warpCoord( + output_area.xmin - 2, output_area.ymax + 2, sample_data->perspectiveMatrix, UVs[3], deriv); + for (int i = 0; i < 4; i++) { + minmax_v2v2_v2(min, max, UVs[i]); + } + } + + r_input_area.xmin = min[0] - 1; + r_input_area.ymin = min[1] - 1; + r_input_area.xmax = max[0] + 1; + r_input_area.ymax = max[1] + 1; +#endif +} + /* ******** PlaneDistort Mask ******** */ PlaneDistortMaskOperation::PlaneDistortMaskOperation() : PlaneDistortBaseOperation() @@ -219,4 +293,41 @@ void PlaneDistortMaskOperation::executePixelSampled(float output[4], } } +void PlaneDistortMaskOperation::update_memory_buffer_partial(MemoryBuffer *output, + const rcti &area, + Span<MemoryBuffer *> UNUSED(inputs)) +{ + for (BuffersIterator<float> it = output->iterate_with({}, area); !it.is_end(); ++it) { + int inside_count = 0; + for (const int motion_sample : IndexRange(this->m_motion_blur_samples)) { + MotionSample &sample = this->m_samples[motion_sample]; + inside_count += get_jitter_samples_inside_count(it.x, it.y, sample); + } + *it.out = (float)inside_count / (this->m_osa * this->m_motion_blur_samples); + } +} + +int PlaneDistortMaskOperation::get_jitter_samples_inside_count(int x, + int y, + MotionSample &sample_data) +{ + float point[2]; + int inside_count = 0; + for (int sample = 0; sample < this->m_osa; sample++) { + point[0] = x + this->m_jitter[sample][0]; + point[1] = y + this->m_jitter[sample][1]; + if (isect_point_tri_v2(point, + sample_data.frameSpaceCorners[0], + sample_data.frameSpaceCorners[1], + sample_data.frameSpaceCorners[2]) || + isect_point_tri_v2(point, + sample_data.frameSpaceCorners[0], + sample_data.frameSpaceCorners[2], + sample_data.frameSpaceCorners[3])) { + inside_count++; + } + } + return inside_count; +} + } // namespace blender::compositor |