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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_GaussianXBlurOperation.h"
#include "COM_OpenCLDevice.h"
namespace blender::compositor {
GaussianXBlurOperation::GaussianXBlurOperation() : GaussianBlurBaseOperation(eDimension::X)
{
}
void *GaussianXBlurOperation::initialize_tile_data(rcti * /*rect*/)
{
lock_mutex();
if (!sizeavailable_) {
update_gauss();
}
void *buffer = get_input_operation(0)->initialize_tile_data(nullptr);
unlock_mutex();
return buffer;
}
/* TODO(manzanilla): to be removed with tiled implementation. */
void GaussianXBlurOperation::init_execution()
{
GaussianBlurBaseOperation::init_execution();
init_mutex();
if (sizeavailable_ && execution_model_ == eExecutionModel::Tiled) {
float rad = max_ff(size_ * data_.sizex, 0.0f);
filtersize_ = min_ii(ceil(rad), MAX_GAUSSTAB_RADIUS);
/* TODO(sergey): De-duplicate with the case below and Y blur. */
gausstab_ = BlurBaseOperation::make_gausstab(rad, filtersize_);
#ifdef BLI_HAVE_SSE2
gausstab_sse_ = BlurBaseOperation::convert_gausstab_sse(gausstab_, filtersize_);
#endif
}
}
/* TODO(manzanilla): to be removed with tiled implementation. */
void GaussianXBlurOperation::update_gauss()
{
if (gausstab_ == nullptr) {
update_size();
float rad = max_ff(size_ * data_.sizex, 0.0f);
rad = min_ff(rad, MAX_GAUSSTAB_RADIUS);
filtersize_ = min_ii(ceil(rad), MAX_GAUSSTAB_RADIUS);
gausstab_ = BlurBaseOperation::make_gausstab(rad, filtersize_);
#ifdef BLI_HAVE_SSE2
gausstab_sse_ = BlurBaseOperation::convert_gausstab_sse(gausstab_, filtersize_);
#endif
}
}
void GaussianXBlurOperation::execute_pixel(float output[4], int x, int y, void *data)
{
float ATTR_ALIGN(16) color_accum[4] = {0.0f, 0.0f, 0.0f, 0.0f};
float multiplier_accum = 0.0f;
MemoryBuffer *input_buffer = (MemoryBuffer *)data;
const rcti &input_rect = input_buffer->get_rect();
float *buffer = input_buffer->get_buffer();
int bufferwidth = input_buffer->get_width();
int bufferstartx = input_rect.xmin;
int bufferstarty = input_rect.ymin;
int xmin = max_ii(x - filtersize_, input_rect.xmin);
int xmax = min_ii(x + filtersize_ + 1, input_rect.xmax);
int ymin = max_ii(y, input_rect.ymin);
int step = get_step();
int offsetadd = get_offset_add();
int bufferindex = ((xmin - bufferstartx) * 4) + ((ymin - bufferstarty) * 4 * bufferwidth);
#ifdef BLI_HAVE_SSE2
__m128 accum_r = _mm_load_ps(color_accum);
for (int nx = xmin, index = (xmin - x) + filtersize_; nx < xmax; nx += step, index += step) {
__m128 reg_a = _mm_load_ps(&buffer[bufferindex]);
reg_a = _mm_mul_ps(reg_a, gausstab_sse_[index]);
accum_r = _mm_add_ps(accum_r, reg_a);
multiplier_accum += gausstab_[index];
bufferindex += offsetadd;
}
_mm_store_ps(color_accum, accum_r);
#else
for (int nx = xmin, index = (xmin - x) + filtersize_; nx < xmax; nx += step, index += step) {
const float multiplier = gausstab_[index];
madd_v4_v4fl(color_accum, &buffer[bufferindex], multiplier);
multiplier_accum += multiplier;
bufferindex += offsetadd;
}
#endif
mul_v4_v4fl(output, color_accum, 1.0f / multiplier_accum);
}
void GaussianXBlurOperation::execute_opencl(OpenCLDevice *device,
MemoryBuffer *output_memory_buffer,
cl_mem cl_output_buffer,
MemoryBuffer **input_memory_buffers,
std::list<cl_mem> *cl_mem_to_clean_up,
std::list<cl_kernel> * /*cl_kernels_to_clean_up*/)
{
cl_kernel gaussian_xblur_operation_kernel = device->COM_cl_create_kernel(
"gaussian_xblur_operation_kernel", nullptr);
cl_int filter_size = filtersize_;
cl_mem gausstab = clCreateBuffer(device->get_context(),
CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR,
sizeof(float) * (filtersize_ * 2 + 1),
gausstab_,
nullptr);
device->COM_cl_attach_memory_buffer_to_kernel_parameter(gaussian_xblur_operation_kernel,
0,
1,
cl_mem_to_clean_up,
input_memory_buffers,
input_program_);
device->COM_cl_attach_output_memory_buffer_to_kernel_parameter(
gaussian_xblur_operation_kernel, 2, cl_output_buffer);
device->COM_cl_attach_memory_buffer_offset_to_kernel_parameter(
gaussian_xblur_operation_kernel, 3, output_memory_buffer);
clSetKernelArg(gaussian_xblur_operation_kernel, 4, sizeof(cl_int), &filter_size);
device->COM_cl_attach_size_to_kernel_parameter(gaussian_xblur_operation_kernel, 5, this);
clSetKernelArg(gaussian_xblur_operation_kernel, 6, sizeof(cl_mem), &gausstab);
device->COM_cl_enqueue_range(gaussian_xblur_operation_kernel, output_memory_buffer, 7, this);
clReleaseMemObject(gausstab);
}
void GaussianXBlurOperation::deinit_execution()
{
GaussianBlurBaseOperation::deinit_execution();
if (gausstab_) {
MEM_freeN(gausstab_);
gausstab_ = nullptr;
}
#ifdef BLI_HAVE_SSE2
if (gausstab_sse_) {
MEM_freeN(gausstab_sse_);
gausstab_sse_ = nullptr;
}
#endif
deinit_mutex();
}
bool GaussianXBlurOperation::determine_depending_area_of_interest(
rcti *input, ReadBufferOperation *read_operation, rcti *output)
{
rcti new_input;
if (!sizeavailable_) {
rcti size_input;
size_input.xmin = 0;
size_input.ymin = 0;
size_input.xmax = 5;
size_input.ymax = 5;
NodeOperation *operation = this->get_input_operation(1);
if (operation->determine_depending_area_of_interest(&size_input, read_operation, output)) {
return true;
}
}
{
if (sizeavailable_ && gausstab_ != nullptr) {
new_input.xmax = input->xmax + filtersize_ + 1;
new_input.xmin = input->xmin - filtersize_ - 1;
new_input.ymax = input->ymax;
new_input.ymin = input->ymin;
}
else {
new_input.xmax = this->get_width();
new_input.xmin = 0;
new_input.ymax = this->get_height();
new_input.ymin = 0;
}
return NodeOperation::determine_depending_area_of_interest(&new_input, read_operation, output);
}
}
} // namespace blender::compositor
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