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cullBinFixed.cxx
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file cullBinFixed.cxx
10 * @author drose
11 * @date 2002-05-29
12 */
13
14#include "cullBinFixed.h"
15#include "graphicsStateGuardianBase.h"
16#include "geometricBoundingVolume.h"
17#include "cullableObject.h"
18#include "cullHandler.h"
19#include "pStatTimer.h"
20
21#include <algorithm>
22
23
24 TypeHandle CullBinFixed::_type_handle;
25
26/**
27 *
28 */
29CullBinFixed::
30~CullBinFixed() {
31 Objects::iterator oi;
32 for (oi = _objects.begin(); oi != _objects.end(); ++oi) {
33 CullableObject *object = (*oi)._object;
34 delete object;
35 }
36}
37
38/**
39 * Factory constructor for passing to the CullBinManager.
40 */
41CullBin *CullBinFixed::
42 make_bin(const std::string &name, GraphicsStateGuardianBase *gsg,
43 const PStatCollector &draw_region_pcollector) {
44 return new CullBinFixed(name, gsg, draw_region_pcollector);
45}
46
47/**
48 * Adds a geom, along with its associated state, to the bin for rendering.
49 */
50 void CullBinFixed::
51 add_object(CullableObject *object, Thread *current_thread) {
52 int draw_order = object->_state->get_draw_order();
53 _objects.push_back(ObjectData(object, draw_order));
54}
55
56/**
57 * Called after all the geoms have been added, this indicates that the cull
58 * process is finished for this frame and gives the bins a chance to do any
59 * post-processing (like sorting) before moving on to draw.
60 */
61 void CullBinFixed::
62 finish_cull(SceneSetup *, Thread *current_thread) {
63 PStatTimer timer(_cull_this_pcollector, current_thread);
64 std::stable_sort(_objects.begin(), _objects.end());
65}
66
67/**
68 * Draws all the geoms in the bin, in the appropriate order.
69 */
70 void CullBinFixed::
71 draw(bool force, Thread *current_thread) {
72 PStatTimer timer(_draw_this_pcollector, current_thread);
73
74 Objects::const_iterator oi;
75 for (oi = _objects.begin(); oi != _objects.end(); ++oi) {
76 CullableObject *object = (*oi)._object;
77
78 if (object->_draw_callback == nullptr) {
79 nassertd(object->_geom != nullptr) continue;
80
81 _gsg->set_state_and_transform(object->_state, object->_internal_transform);
82
83 GeomPipelineReader geom_reader(object->_geom, current_thread);
84 GeomVertexDataPipelineReader data_reader(object->_munged_data, current_thread);
85 data_reader.check_array_readers();
86 geom_reader.draw(_gsg, &data_reader, force);
87 } else {
88 // It has a callback associated.
89 object->draw_callback(_gsg, force, current_thread);
90 // Now the callback has taken care of drawing.
91 }
92 }
93}
94
95/**
96 * Called by CullBin::make_result_graph() to add all the geoms to the special
97 * cull result scene graph.
98 */
99 void CullBinFixed::
100fill_result_graph(CullBin::ResultGraphBuilder &builder) {
101 Objects::const_iterator oi;
102 for (oi = _objects.begin(); oi != _objects.end(); ++oi) {
103 CullableObject *object = (*oi)._object;
104 builder.add_object(object);
105 }
106}
CullBinFixed::add_object
virtual void add_object(CullableObject *object, Thread *current_thread)
Adds a geom, along with its associated state, to the bin for rendering.
Definition cullBinFixed.cxx:51
CullBinFixed::finish_cull
virtual void finish_cull(SceneSetup *scene_setup, Thread *current_thread)
Called after all the geoms have been added, this indicates that the cull process is finished for this...
Definition cullBinFixed.cxx:62
CullBinFixed::make_bin
static CullBin * make_bin(const std::string &name, GraphicsStateGuardianBase *gsg, const PStatCollector &draw_region_pcollector)
Factory constructor for passing to the CullBinManager.
Definition cullBinFixed.cxx:42
CullBinFixed::draw
virtual void draw(bool force, Thread *current_thread)
Draws all the geoms in the bin, in the appropriate order.
Definition cullBinFixed.cxx:71
CullableObject
The smallest atom of cull.
Definition cullableObject.h:41
GeomPipelineReader
Encapsulates the data from a Geom, pre-fetched for one stage of the pipeline.
Definition geom.h:405
GeomPipelineReader::draw
bool draw(GraphicsStateGuardianBase *gsg, const GeomVertexDataPipelineReader *data_reader, bool force) const
The implementation of Geom::draw().
Definition geom.cxx:1881
GeomVertexDataPipelineReader
Encapsulates the data from a GeomVertexData, pre-fetched for one stage of the pipeline.
Definition geomVertexData.h:442
GraphicsStateGuardianBase
This is a base class for the GraphicsStateGuardian class, which is itself a base class for the variou...
Definition graphicsStateGuardianBase.h:110
PStatCollector
A lightweight class that represents a single element that may be timed and/or counted via stats.
Definition pStatCollector.h:43
PStatTimer
A lightweight class that can be used to automatically start and stop a PStatCollector around a sectio...
Definition pStatTimer.h:30
SceneSetup
This object holds the camera position, etc., and other general setup information for rendering a part...
Definition sceneSetup.h:32
Thread
A thread; that is, a lightweight process.
Definition thread.h:46
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
cullBinFixed.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
cullHandler.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
cullableObject.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
geometricBoundingVolume.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
graphicsStateGuardianBase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pStatTimer.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.