Differential D12689 Diff 42665 source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cc

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source/blender/compositor/operations/COM_ScreenLensDistortionOperation.cc

Show First 20 Lines • Show All 376 Lines • ▼ Show 20 Lines	void ScreenLensDistortionOperation::updateVariables(float distortion, float dispersion)
m_sc = (m_fit && (m_maxk > 0.0f)) ? (1.0f / (1.0f + 2.0f * m_maxk)) : (1.0f / (1.0f + m_maxk));		m_sc = (m_fit && (m_maxk > 0.0f)) ? (1.0f / (1.0f + 2.0f * m_maxk)) : (1.0f / (1.0f + m_maxk));
m_dk4[0] = 4.0f * (m_k[1] - m_k[0]);		m_dk4[0] = 4.0f * (m_k[1] - m_k[0]);
m_dk4[1] = 4.0f * (m_k[2] - m_k[1]);		m_dk4[1] = 4.0f * (m_k[2] - m_k[1]);
m_dk4[2] = 0.0f; /* unused */		m_dk4[2] = 0.0f; /* unused */

mul_v3_v3fl(m_k4, m_k, 4.0f);		mul_v3_v3fl(m_k4, m_k, 4.0f);
}		}

		void ScreenLensDistortionOperation::determine_canvas(const rcti &preferred_area, rcti &r_area)
		{
		switch (execution_model_) {
		case eExecutionModel::FullFrame: {
		set_determined_canvas_modifier([=](rcti &canvas) {
		/* Ensure screen space. */
		BLI_rcti_translate(&canvas, -canvas.xmin, -canvas.ymin);
		});
		break;
		}
		default:
		break;
		}

		NodeOperation::determine_canvas(preferred_area, r_area);
		}

void ScreenLensDistortionOperation::get_area_of_interest(const int input_idx,		void ScreenLensDistortionOperation::get_area_of_interest(const int input_idx,
const rcti &UNUSED(output_area),		const rcti &UNUSED(output_area),
rcti &r_input_area)		rcti &r_input_area)
{		{
if (input_idx != 0) {		if (input_idx != 0) {
/* Dispersion and distortion inputs are used as constants only. */		/* Dispersion and distortion inputs are used as constants only. */
r_input_area = COM_SINGLE_ELEM_AREA;		r_input_area = COM_CONSTANT_INPUT_AREA_OF_INTEREST;
}		}

/* XXX the original method of estimating the area-of-interest does not work		/* XXX the original method of estimating the area-of-interest does not work
* it assumes a linear increase/decrease of mapped coordinates, which does not		* it assumes a linear increase/decrease of mapped coordinates, which does not
* yield correct results for the area and leaves uninitialized buffer areas.		* yield correct results for the area and leaves uninitialized buffer areas.
* So now just use the full image area, which may not be as efficient but works at least ...		* So now just use the full image area, which may not be as efficient but works at least ...
*/		*/
#if 1		#if 1
NodeOperation *image = getInputOperation(0);		NodeOperation *image = getInputOperation(0);
r_input_area.xmax = image->getWidth();		r_input_area = image->get_canvas();
r_input_area.xmin = 0;
r_input_area.ymax = image->getHeight();
r_input_area.ymin = 0;

#else /* Original method in tiled implementation. */		#else /* Original method in tiled implementation. */
rcti newInput;		rcti newInput;
const float margin = 2;		const float margin = 2;

BLI_rcti_init_minmax(&newInput);		BLI_rcti_init_minmax(&newInput);

if (m_dispersion_const && m_distortion_const) {		if (m_dispersion_const && m_distortion_const) {
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