/*
* Copyright (C) 2011-2015 Karlsruhe Institute of Technology
*
* This file is part of Ufo.
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see .
*/
#include "config.h"
#ifdef __APPLE__
#include
#else
#include
#endif
#include
#include "ufo-interpolate-stream-task.h"
struct _UfoInterpolateStreamTaskPrivate {
guint num_inputs;
guint number;
guint current;
GPtrArray *copies;
cl_kernel kernel;
};
static void ufo_task_interface_init (UfoTaskIface *iface);
G_DEFINE_TYPE_WITH_CODE (UfoInterpolateStreamTask, ufo_interpolate_stream_task, UFO_TYPE_TASK_NODE,
G_IMPLEMENT_INTERFACE (UFO_TYPE_TASK,
ufo_task_interface_init))
#define UFO_INTERPOLATE_STREAM_TASK_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), UFO_TYPE_INTERPOLATE_STREAM_TASK, UfoInterpolateStreamTaskPrivate))
enum {
PROP_0,
PROP_NUMBER,
N_PROPERTIES
};
static GParamSpec *properties[N_PROPERTIES] = { NULL, };
UfoNode *
ufo_interpolate_stream_task_new (void)
{
return UFO_NODE (g_object_new (UFO_TYPE_INTERPOLATE_STREAM_TASK, NULL));
}
static void
ufo_interpolate_stream_task_setup (UfoTask *task,
UfoResources *resources,
GError **error)
{
UfoInterpolateStreamTaskPrivate *priv;
priv = UFO_INTERPOLATE_STREAM_TASK_GET_PRIVATE (task);
priv->num_inputs = 0;
priv->kernel = ufo_resources_get_kernel (resources, "interpolator.cl", "interpolate", NULL, error);
if (priv->kernel != NULL)
UFO_RESOURCES_CHECK_SET_AND_RETURN (clRetainKernel (priv->kernel), error);
}
static void
ufo_interpolate_stream_task_get_requisition (UfoTask *task,
UfoBuffer **inputs,
UfoRequisition *requisition,
GError **error)
{
/* TODO: check it's the same all the time */
ufo_buffer_get_requisition (inputs[0], requisition);
}
static guint
ufo_interpolate_stream_task_get_num_inputs (UfoTask *task)
{
return 1;
}
static guint
ufo_interpolate_stream_task_get_num_dimensions (UfoTask *task,
guint input)
{
return 2;
}
static UfoTaskMode
ufo_interpolate_stream_task_get_mode (UfoTask *task)
{
return UFO_TASK_MODE_REDUCTOR | UFO_TASK_MODE_GPU;
}
static gboolean
ufo_interpolate_stream_task_process (UfoTask *task,
UfoBuffer **inputs,
UfoBuffer *output,
UfoRequisition *requisition)
{
UfoInterpolateStreamTaskPrivate *priv;
UfoBuffer *copy;
priv = UFO_INTERPOLATE_STREAM_TASK_GET_PRIVATE (task);
priv->num_inputs++;
copy = ufo_buffer_dup (inputs[0]);
ufo_buffer_copy (inputs[0], copy);
g_ptr_array_add (priv->copies, copy);
return TRUE;
}
static gboolean
ufo_interpolate_stream_task_generate (UfoTask *task,
UfoBuffer *output,
UfoRequisition *requisition)
{
UfoInterpolateStreamTaskPrivate *priv;
UfoGpuNode *node;
UfoProfiler *profiler;
UfoBuffer *buffer_x;
UfoBuffer *buffer_y;
cl_command_queue cmd_queue;
cl_mem x_mem;
cl_mem y_mem;
cl_mem out_mem;
gfloat alpha;
guint lower;
guint num_interpolate;
guint current;
priv = UFO_INTERPOLATE_STREAM_TASK_GET_PRIVATE (task);
if (priv->current == priv->number)
return FALSE;
lower = (guint) floor ((priv->num_inputs - 1) * ((gfloat) priv->current) / priv->number);
num_interpolate = (guint) roundf (priv->number / ((gfloat) priv->num_inputs - 1));
/* index in the current segment */
current = priv->current - num_interpolate * lower;
/* adjust for last segment */
num_interpolate = MIN ((lower + 1) * num_interpolate, priv->number) - lower * num_interpolate;
alpha = current / ((gfloat) num_interpolate);
g_assert (lower + 1 < priv->copies->len);
buffer_x = g_ptr_array_index (priv->copies, lower);
buffer_y = g_ptr_array_index (priv->copies, lower + 1);
node = UFO_GPU_NODE (ufo_task_node_get_proc_node (UFO_TASK_NODE (task)));
cmd_queue = ufo_gpu_node_get_cmd_queue (node);
x_mem = ufo_buffer_get_device_array (buffer_x, cmd_queue);
y_mem = ufo_buffer_get_device_array (buffer_y, cmd_queue);
out_mem = ufo_buffer_get_device_array (output, cmd_queue);
UFO_RESOURCES_CHECK_CLERR (clSetKernelArg (priv->kernel, 0, sizeof (cl_mem), &x_mem));
UFO_RESOURCES_CHECK_CLERR (clSetKernelArg (priv->kernel, 1, sizeof (cl_mem), &y_mem));
UFO_RESOURCES_CHECK_CLERR (clSetKernelArg (priv->kernel, 2, sizeof (cl_mem), &out_mem));
UFO_RESOURCES_CHECK_CLERR (clSetKernelArg (priv->kernel, 3, sizeof (gfloat), &alpha));
profiler = ufo_task_node_get_profiler (UFO_TASK_NODE (task));
ufo_profiler_call (profiler, cmd_queue, priv->kernel, 2, requisition->dims, NULL);
priv->current++;
return TRUE;
}
static void
ufo_interpolate_stream_task_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
UfoInterpolateStreamTaskPrivate *priv = UFO_INTERPOLATE_STREAM_TASK_GET_PRIVATE (object);
switch (property_id) {
case PROP_NUMBER:
priv->number = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
ufo_interpolate_stream_task_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
UfoInterpolateStreamTaskPrivate *priv = UFO_INTERPOLATE_STREAM_TASK_GET_PRIVATE (object);
switch (property_id) {
case PROP_NUMBER:
g_value_set_uint (value, priv->number);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
ufo_interpolate_stream_task_dispose (GObject *object)
{
UfoInterpolateStreamTaskPrivate *priv;
priv = UFO_INTERPOLATE_STREAM_TASK_GET_PRIVATE (object);
for (guint i = 0; i < priv->copies->len; i++)
g_object_unref (g_ptr_array_index (priv->copies, i));
G_OBJECT_CLASS (ufo_interpolate_stream_task_parent_class)->dispose (object);
}
static void
ufo_interpolate_stream_task_finalize (GObject *object)
{
UfoInterpolateStreamTaskPrivate *priv;
priv = UFO_INTERPOLATE_STREAM_TASK_GET_PRIVATE (object);
g_ptr_array_free (priv->copies, TRUE);
if (priv->kernel) {
UFO_RESOURCES_CHECK_CLERR (clReleaseKernel (priv->kernel));
priv->kernel = NULL;
}
G_OBJECT_CLASS (ufo_interpolate_stream_task_parent_class)->finalize (object);
}
static void
ufo_task_interface_init (UfoTaskIface *iface)
{
iface->setup = ufo_interpolate_stream_task_setup;
iface->get_num_inputs = ufo_interpolate_stream_task_get_num_inputs;
iface->get_num_dimensions = ufo_interpolate_stream_task_get_num_dimensions;
iface->get_mode = ufo_interpolate_stream_task_get_mode;
iface->get_requisition = ufo_interpolate_stream_task_get_requisition;
iface->process = ufo_interpolate_stream_task_process;
iface->generate = ufo_interpolate_stream_task_generate;
}
static void
ufo_interpolate_stream_task_class_init (UfoInterpolateStreamTaskClass *klass)
{
GObjectClass *oclass = G_OBJECT_CLASS (klass);
oclass->set_property = ufo_interpolate_stream_task_set_property;
oclass->get_property = ufo_interpolate_stream_task_get_property;
oclass->dispose = ufo_interpolate_stream_task_dispose;
oclass->finalize = ufo_interpolate_stream_task_finalize;
properties[PROP_NUMBER] =
g_param_spec_uint ("number",
"Number of interpolated images",
"Number of interpolated images",
1, G_MAXUINT, 1,
G_PARAM_READWRITE);
for (guint i = PROP_0 + 1; i < N_PROPERTIES; i++)
g_object_class_install_property (oclass, i, properties[i]);
g_type_class_add_private (oclass, sizeof(UfoInterpolateStreamTaskPrivate));
}
static void
ufo_interpolate_stream_task_init(UfoInterpolateStreamTask *self)
{
self->priv = UFO_INTERPOLATE_STREAM_TASK_GET_PRIVATE(self);
self->priv->number = 1;
self->priv->copies = g_ptr_array_new ();
}