0024530: TKMesh - remove unused package IntPoly
[occt.git] / src / OpenGl / OpenGl_ShaderStates.cxx
CommitLineData
30f0ad28 1// Created on: 2013-10-02
2// Created by: Denis BOGOLEPOV
3// Copyright (c) 2013 OPEN CASCADE SAS
4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
30f0ad28 6//
973c2be1 7// This library is free software; you can redistribute it and / or modify it
8// under the terms of the GNU Lesser General Public version 2.1 as published
9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
30f0ad28 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
30f0ad28 15
16#include <NCollection_Mat4.hxx>
17
18#include <OpenGl_ShaderStates.hxx>
19
20// =======================================================================
21// function : OpenGl_StateInterface
22// purpose : Creates new OCCT state
23// =======================================================================
24OpenGl_StateInterface::OpenGl_StateInterface()
25: myIndex (0)
26{
27 //
28}
29
30// =======================================================================
31// function : Index
32// purpose : Returns current state index
33// =======================================================================
34Standard_Size OpenGl_StateInterface::Index() const
35{
36 return myIndex;
37}
38
39// =======================================================================
40// function : Update
41// purpose : Updates current state
42// =======================================================================
43void OpenGl_StateInterface::Update()
44{
45 ++myIndex;
46}
47
48// =======================================================================
49// function : Revert
50// purpose : Reverts current state
51// =======================================================================
52void OpenGl_StateInterface::Revert()
53{
54 if (myIndex > 0)
55 {
56 --myIndex;
57 }
58}
59
60// =======================================================================
61// function : OpenGl_ProjectionState
62// purpose : Creates uninitialized projection state
63// =======================================================================
64OpenGl_ProjectionState::OpenGl_ProjectionState()
65: myInverseNeedUpdate (false)
66{
67 //
68}
69
70// =======================================================================
71// function : Set
72// purpose : Sets new OCCT projection state
73// =======================================================================
b5ac8292 74void OpenGl_ProjectionState::Set (const Tmatrix3* theProjectionMatrix)
30f0ad28 75{
76 memcpy (myProjectionMatrix, theProjectionMatrix, sizeof (Tmatrix3));
77 myInverseNeedUpdate = true;
78}
79
80// =======================================================================
81// function : ProjectionMatrix
82// purpose : Returns current projection matrix
83// =======================================================================
84const Tmatrix3& OpenGl_ProjectionState::ProjectionMatrix() const
85{
86 return myProjectionMatrix;
87}
88
89// =======================================================================
90// function : ProjectionMatrixInverse
91// purpose : Returns inverse of current projection matrix
92// =======================================================================
93const Tmatrix3& OpenGl_ProjectionState::ProjectionMatrixInverse() const
94{
95 if (!myInverseNeedUpdate)
96 {
97 return myProjectionMatrixInverse;
98 }
99
100 reinterpret_cast<const NCollection_Mat4<float>*> (*myProjectionMatrix)->Inverted (
101 *(reinterpret_cast<NCollection_Mat4<float>*> (*myProjectionMatrixInverse)));
102 return myProjectionMatrixInverse;
103}
104
105// =======================================================================
106// function : OpenGl_ModelWorldState
107// purpose : Creates uninitialized model-world state
108// =======================================================================
109OpenGl_ModelWorldState::OpenGl_ModelWorldState()
110: myInverseNeedUpdate (false)
111{
112 //
113}
114
115// =======================================================================
116// function : Set
117// purpose : Sets new model-world matrix
118// =======================================================================
b5ac8292 119void OpenGl_ModelWorldState::Set (const Tmatrix3* theModelWorldMatrix)
30f0ad28 120{
121 memcpy (myModelWorldMatrix, theModelWorldMatrix, sizeof (Tmatrix3));
122 myInverseNeedUpdate = true;
123}
124
125// =======================================================================
126// function : ModelWorldMatrix
127// purpose : Returns current model-world matrix
128// =======================================================================
129const Tmatrix3& OpenGl_ModelWorldState::ModelWorldMatrix() const
130{
131 return myModelWorldMatrix;
132}
133
134// =======================================================================
135// function : ModelWorldMatrixInverse
136// purpose : Returns inverse of current model-world matrix
137// =======================================================================
138const Tmatrix3& OpenGl_ModelWorldState::ModelWorldMatrixInverse() const
139{
140 if (!myInverseNeedUpdate)
141 {
142 return myModelWorldMatrix;
143 }
144
145 reinterpret_cast<const NCollection_Mat4<float>*> (*myModelWorldMatrix)->Inverted (
146 *(reinterpret_cast<NCollection_Mat4<float>*> (*myModelWorldMatrixInverse)));
147 return myModelWorldMatrixInverse;
148}
149
150// =======================================================================
151// function : OpenGl_WorldViewState
152// purpose : Creates uninitialized world-view state
153// =======================================================================
154OpenGl_WorldViewState::OpenGl_WorldViewState()
155: myInverseNeedUpdate (false)
156{
157 //
158}
159
160// =======================================================================
161// function : Set
162// purpose : Sets new world-view matrix
163// =======================================================================
b5ac8292 164void OpenGl_WorldViewState::Set (const Tmatrix3* theWorldViewMatrix)
30f0ad28 165{
166 memcpy (myWorldViewMatrix, theWorldViewMatrix, sizeof (Tmatrix3));
167 myInverseNeedUpdate = true;
168}
169
170// =======================================================================
171// function : WorldViewMatrix
172// purpose : Returns current world-view matrix
173// =======================================================================
174const Tmatrix3& OpenGl_WorldViewState::WorldViewMatrix() const
175{
176 return myWorldViewMatrix;
177}
178
179// =======================================================================
180// function : WorldViewMatrixInverse
181// purpose : Returns inverse of current world-view matrix
182// =======================================================================
183const Tmatrix3& OpenGl_WorldViewState::WorldViewMatrixInverse() const
184{
185 if (!myInverseNeedUpdate)
186 {
187 return myWorldViewMatrix;
188 }
189
190 reinterpret_cast<const NCollection_Mat4<float>*> (*myWorldViewMatrix)->Inverted (
191 *(reinterpret_cast<NCollection_Mat4<float>*> (*myWorldViewMatrixInverse)));
192 return myWorldViewMatrixInverse;
193}
194
195// =======================================================================
196// function : OpenGl_LightSourceState
197// purpose : Creates uninitialized state of light sources
198// =======================================================================
199OpenGl_LightSourceState::OpenGl_LightSourceState()
200: myLightSources (NULL)
201{
202 //
203}
204
205// =======================================================================
206// function : Set
207// purpose : Sets new light sources
208// =======================================================================
209void OpenGl_LightSourceState::Set (const OpenGl_ListOfLight* theLightSources)
210{
211 myLightSources = theLightSources;
212}
213
214// =======================================================================
215// function : LightSources
216// purpose : Returns current list of light sources
217// =======================================================================
218const OpenGl_ListOfLight* OpenGl_LightSourceState::LightSources() const
219{
220 return myLightSources;
221}
222
223// =======================================================================
224// function : OpenGl_MaterialState
225// purpose : Creates uninitialized material state
226// =======================================================================
227OpenGl_MaterialState::OpenGl_MaterialState (const OpenGl_Element* theAspect)
228: myAspect (theAspect)
229{
230 //
231}
232
233// =======================================================================
234// function : Set
235// purpose : Sets new material aspect
236// =======================================================================
237void OpenGl_MaterialState::Set (const OpenGl_Element* theAspect)
238{
239 myAspect = theAspect;
240}
241
242// =======================================================================
243// function : Aspect
244// purpose : Returns material aspect
245// =======================================================================
246const OpenGl_Element* OpenGl_MaterialState::Aspect() const
247{
248 return myAspect;
249}
250
251// =======================================================================
252// function : OpenGl_ClippingState
253// purpose : Creates new clipping state
254// =======================================================================
255OpenGl_ClippingState::OpenGl_ClippingState()
256{
257 //
258}