diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_DisplaceOperation.cc')
| -rw-r--r-- | source/blender/compositor/operations/COM_DisplaceOperation.cc | 95 |
1 files changed, 81 insertions, 14 deletions
diff --git a/source/blender/compositor/operations/COM_DisplaceOperation.cc b/source/blender/compositor/operations/COM_DisplaceOperation.cc index 9f3f5cfe489..a4c01fda7ca 100644 --- a/source/blender/compositor/operations/COM_DisplaceOperation.cc +++ b/source/blender/compositor/operations/COM_DisplaceOperation.cc @@ -32,20 +32,30 @@ DisplaceOperation::DisplaceOperation() this->flags.complex = true; this->m_inputColorProgram = nullptr; - this->m_inputVectorProgram = nullptr; - this->m_inputScaleXProgram = nullptr; - this->m_inputScaleYProgram = nullptr; } void DisplaceOperation::initExecution() { this->m_inputColorProgram = this->getInputSocketReader(0); - this->m_inputVectorProgram = this->getInputSocketReader(1); - this->m_inputScaleXProgram = this->getInputSocketReader(2); - this->m_inputScaleYProgram = this->getInputSocketReader(3); + NodeOperation *vector = this->getInputSocketReader(1); + NodeOperation *scale_x = this->getInputSocketReader(2); + NodeOperation *scale_y = this->getInputSocketReader(3); + if (execution_model_ == eExecutionModel::Tiled) { + vector_read_fn_ = [=](float x, float y, float *out) { + vector->readSampled(out, x, y, PixelSampler::Bilinear); + }; + scale_x_read_fn_ = [=](float x, float y, float *out) { + scale_x->readSampled(out, x, y, PixelSampler::Nearest); + }; + scale_y_read_fn_ = [=](float x, float y, float *out) { + scale_y->readSampled(out, x, y, PixelSampler::Nearest); + }; + } this->m_width_x4 = this->getWidth() * 4; this->m_height_x4 = this->getHeight() * 4; + input_vector_width_ = vector->getWidth(); + input_vector_height_ = vector->getHeight(); } void DisplaceOperation::executePixelSampled(float output[4], @@ -69,8 +79,8 @@ void DisplaceOperation::executePixelSampled(float output[4], bool DisplaceOperation::read_displacement( float x, float y, float xscale, float yscale, const float origin[2], float &r_u, float &r_v) { - float width = m_inputVectorProgram->getWidth(); - float height = m_inputVectorProgram->getHeight(); + float width = input_vector_width_; + float height = input_vector_height_; if (x < 0.0f || x >= width || y < 0.0f || y >= height) { r_u = 0.0f; r_v = 0.0f; @@ -78,7 +88,7 @@ bool DisplaceOperation::read_displacement( } float col[4]; - m_inputVectorProgram->readSampled(col, x, y, PixelSampler::Bilinear); + vector_read_fn_(x, y, col); r_u = origin[0] - col[0] * xscale; r_v = origin[1] - col[1] * yscale; return true; @@ -90,9 +100,9 @@ void DisplaceOperation::pixelTransform(const float xy[2], float r_uv[2], float r float uv[2]; /* temporary variables for derivative estimation */ int num; - m_inputScaleXProgram->readSampled(col, xy[0], xy[1], PixelSampler::Nearest); + scale_x_read_fn_(xy[0], xy[1], col); float xs = col[0]; - m_inputScaleYProgram->readSampled(col, xy[0], xy[1], PixelSampler::Nearest); + scale_y_read_fn_(xy[0], xy[1], col); float ys = col[0]; /* clamp x and y displacement to triple image resolution - * to prevent hangs from huge values mistakenly plugged in eg. z buffers */ @@ -146,9 +156,9 @@ void DisplaceOperation::pixelTransform(const float xy[2], float r_uv[2], float r void DisplaceOperation::deinitExecution() { this->m_inputColorProgram = nullptr; - this->m_inputVectorProgram = nullptr; - this->m_inputScaleXProgram = nullptr; - this->m_inputScaleYProgram = nullptr; + vector_read_fn_ = nullptr; + scale_x_read_fn_ = nullptr; + scale_y_read_fn_ = nullptr; } bool DisplaceOperation::determineDependingAreaOfInterest(rcti *input, @@ -195,4 +205,61 @@ bool DisplaceOperation::determineDependingAreaOfInterest(rcti *input, return false; } +void DisplaceOperation::get_area_of_interest(const int input_idx, + const rcti &output_area, + rcti &r_input_area) +{ + switch (input_idx) { + case 0: { + r_input_area.xmin = 0; + r_input_area.ymin = 0; + r_input_area.xmax = getInputOperation(input_idx)->getWidth(); + r_input_area.ymax = getInputOperation(input_idx)->getHeight(); + break; + } + case 1: { + r_input_area = output_area; + expand_area_for_sampler(r_input_area, PixelSampler::Bilinear); + break; + } + default: { + r_input_area = output_area; + break; + } + } +} + +void DisplaceOperation::update_memory_buffer_started(MemoryBuffer *UNUSED(output), + const rcti &UNUSED(area), + Span<MemoryBuffer *> inputs) +{ + MemoryBuffer *vector = inputs[1]; + MemoryBuffer *scale_x = inputs[2]; + MemoryBuffer *scale_y = inputs[3]; + vector_read_fn_ = [=](float x, float y, float *out) { vector->read_elem_bilinear(x, y, out); }; + scale_x_read_fn_ = [=](float x, float y, float *out) { scale_x->read_elem_checked(x, y, out); }; + scale_y_read_fn_ = [=](float x, float y, float *out) { scale_y->read_elem_checked(x, y, out); }; +} + +void DisplaceOperation::update_memory_buffer_partial(MemoryBuffer *output, + const rcti &area, + Span<MemoryBuffer *> inputs) +{ + const MemoryBuffer *input_color = inputs[0]; + for (BuffersIterator<float> it = output->iterate_with({}, area); !it.is_end(); ++it) { + const float xy[2] = {(float)it.x, (float)it.y}; + float uv[2]; + float deriv[2][2]; + + pixelTransform(xy, uv, deriv); + if (is_zero_v2(deriv[0]) && is_zero_v2(deriv[1])) { + input_color->read_elem_bilinear(uv[0], uv[1], it.out); + } + else { + /* EWA filtering (without nearest it gets blurry with NO distortion). */ + input_color->read_elem_filtered(uv[0], uv[1], deriv[0], deriv[1], it.out); + } + } +} + } // namespace blender::compositor |