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SoLazyElement.h
1 #ifndef COIN_SOLAZYELEMENT_H
2 #define COIN_SOLAZYELEMENT_H
3
4 /**************************************************************************\
5 *
6 * This file is part of the Coin 3D visualization library.
7 * Copyright (C) by Kongsberg Oil & Gas Technologies.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * ("GPL") version 2 as published by the Free Software Foundation.
12 * See the file LICENSE.GPL at the root directory of this source
13 * distribution for additional information about the GNU GPL.
14 *
15 * For using Coin with software that can not be combined with the GNU
16 * GPL, and for taking advantage of the additional benefits of our
17 * support services, please contact Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24 *
25 \**************************************************************************/
26
27 #include <Inventor/elements/SoElement.h>
28 #include <Inventor/elements/SoSubElement.h>
29 #include <Inventor/SbColor.h>
30
31 class SoMFFloat;
32 class SoMFColor;
33 class SoColorPacker;
34 class SoLazyElementP;
35 class SoGLImage;
36
37 #define SO_LAZY_SHINY_THRESHOLD 0.005f
38
39
40 class COIN_DLL_API SoLazyElement : public SoElement {
41 typedef SoElement inherited;
42
43 SO_ELEMENT_HEADER(SoLazyElement);
44
45 public:
46 static void initClass();
47 protected:
48 ~SoLazyElement();
49 public:
50 enum cases {
51 LIGHT_MODEL_CASE = 0,
52 COLOR_MATERIAL_CASE,
53 DIFFUSE_CASE,
54 AMBIENT_CASE,
55 EMISSIVE_CASE,
56 SPECULAR_CASE,
57 SHININESS_CASE,
58 BLENDING_CASE,
59 TRANSPARENCY_CASE,
60 VERTEXORDERING_CASE,
61 TWOSIDE_CASE,
62 CULLING_CASE,
63 SHADE_MODEL_CASE,
64 GLIMAGE_CASE,
65 ALPHATEST_CASE,
66 LAZYCASES_LAST // must be last
67 };
68 enum masks{
69 LIGHT_MODEL_MASK = 1 << LIGHT_MODEL_CASE, // 0x0001
70 COLOR_MATERIAL_MASK = 1 << COLOR_MATERIAL_CASE, // 0x0002
71 DIFFUSE_MASK = 1 << DIFFUSE_CASE, // 0x0004
72 AMBIENT_MASK = 1 << AMBIENT_CASE, // 0x0008
73 EMISSIVE_MASK = 1<<EMISSIVE_CASE, // 0x0010
74 SPECULAR_MASK = 1 << SPECULAR_CASE, // 0x0020
75 SHININESS_MASK = 1 << SHININESS_CASE, // 0x0040
76 TRANSPARENCY_MASK = 1 << TRANSPARENCY_CASE, // 0x0080
77 BLENDING_MASK = 1 << BLENDING_CASE, // 0x0100
78 VERTEXORDERING_MASK = 1 << VERTEXORDERING_CASE, // 0x0200
79 TWOSIDE_MASK = 1 << TWOSIDE_CASE, // 0x0400
80 CULLING_MASK = 1 << CULLING_CASE, // 0x0800
81 SHADE_MODEL_MASK = 1 << SHADE_MODEL_CASE, // 0x1000
82 GLIMAGE_MASK = 1 << GLIMAGE_CASE, // 0x2000
83 ALPHATEST_MASK = 1 << ALPHATEST_CASE, // 0x4000
84 ALL_MASK = (1 << LAZYCASES_LAST)-1
85 };
86
87 enum internalMasks{
88 OTHER_COLOR_MASK = AMBIENT_MASK|EMISSIVE_MASK|SPECULAR_MASK|SHININESS_MASK,
89 ALL_COLOR_MASK = OTHER_COLOR_MASK|DIFFUSE_MASK,
90 NO_COLOR_MASK = ALL_MASK & (~ALL_COLOR_MASK),
91 ALL_BUT_DIFFUSE_MASK = ALL_MASK &(~ DIFFUSE_MASK),
92 DIFFUSE_ONLY_MASK = ALL_MASK &(~ OTHER_COLOR_MASK)
93 };
94
95 enum LightModel {
96 BASE_COLOR,
97 PHONG
98 };
99
100 enum VertexOrdering {
101 CW,
102 CCW
103 };
104
105 virtual void init(SoState *state);
106 virtual void push(SoState *state);
107 virtual SbBool matches(const SoElement *) const;
108 virtual SoElement *copyMatchInfo(void) const;
109
110 static void setToDefault(SoState * state);
111 static void setDiffuse(SoState * state, SoNode * node, int32_t numcolors,
112 const SbColor * colors, SoColorPacker * packer);
113 static void setTransparency(SoState *state, SoNode *node, int32_t numvalues,
114 const float * transparency, SoColorPacker * packer);
115 static void setPacked(SoState * state, SoNode * node,
116 int32_t numcolors, const uint32_t * colors,
117 const SbBool packedtransparency = FALSE);
118 static void setColorIndices(SoState *state, SoNode *node,
119 int32_t numindices, const int32_t *indices);
120 static void setAmbient(SoState *state, const SbColor * color);
121 static void setEmissive(SoState *state, const SbColor * color);
122 static void setSpecular(SoState *state, const SbColor * color);
123 static void setShininess(SoState *state, float value);
124 static void setColorMaterial(SoState *state, SbBool value);
125 static void enableBlending(SoState *state,
126 int sfactor,
127 int dfactor);
128 static void enableSeparateBlending(SoState *state,
129 int sfactor,
130 int dfactor,
131 int alpha_sfactor,
132 int alpha_dfactor);
133
134 static void disableBlending(SoState * state);
135 static void setLightModel(SoState *state, const int32_t model);
136 static void setVertexOrdering(SoState * state, VertexOrdering ordering);
137 static void setBackfaceCulling(SoState * state, SbBool onoff);
138 static void setTwosideLighting(SoState * state, SbBool onoff);
139 static void setShadeModel(SoState * state, SbBool flatshading);
140 static void setGLImageId(SoState * state, uint32_t glimageid, SbBool alphatest);
141 static void setAlphaTest(SoState * state, SbBool onoff);
142
143 static const SbColor & getDiffuse(SoState* state, int index);
144 static float getTransparency(SoState*, int index);
145 static const uint32_t * getPackedColors(SoState*);
146 static const int32_t * getColorIndices(SoState*);
147 static int32_t getColorIndex(SoState*, int num);
148 static const SbColor & getAmbient(SoState *);
149 static const SbColor & getEmissive(SoState *);
150 static const SbColor & getSpecular(SoState *);
151 static float getShininess(SoState*);
152 static SbBool getColorMaterial(SoState*);
153 static SbBool getBlending(SoState *,
154 int & sfactor, int & dfactor);
155 static SbBool getAlphaBlending(SoState *,
156 int & sfactor, int & dfactor);
157
158 static int32_t getLightModel(SoState*);
159 static SbBool getAlphaTest(SoState * state);
160
161 int32_t getNumDiffuse(void) const;
162 int32_t getNumTransparencies(void) const;
163 int32_t getNumColorIndices(void) const;
164 SbBool isPacked(void) const;
165 SbBool isTransparent(void) const;
166 static SoLazyElement * getInstance(SoState *state);
167 static float getDefaultAmbientIntensity(void);
168
169 static SbColor getDefaultDiffuse(void);
170 static SbColor getDefaultAmbient(void);
171 static SbColor getDefaultSpecular(void);
172 static SbColor getDefaultEmissive(void);
173 static float getDefaultShininess(void);
174 static uint32_t getDefaultPacked(void);
175 static float getDefaultTransparency(void);
176 static int32_t getDefaultLightModel(void);
177 static int32_t getDefaultColorIndex(void);
178
179 static void setMaterials(SoState * state, SoNode *node, uint32_t bitmask,
180 SoColorPacker * cPacker,
181 const SbColor * diffuse,
182 const int numdiffuse,
183 const float * transp,
184 const int numtransp,
185 const SbColor & ambient,
186 const SbColor & emissive,
187 const SbColor & specular,
188 const float shininess,
189 const SbBool istransparent);
190
191 static SoLazyElement * getWInstance(SoState *state);
192
193 const uint32_t * getPackedPointer(void) const;
194 const SbColor * getDiffusePointer(void) const;
195 const int32_t * getColorIndexPointer(void) const;
196
197 const float * getTransparencyPointer(void) const;
198 static void setTransparencyType(SoState * state, int32_t type);
199
200 protected:
201
202 struct COIN_DLL_API CoinState {
203 SbColor ambient;
204 SbColor specular;
205 SbColor emissive;
206 float shininess;
207 SbBool blending;
208 int blend_sfactor;
209 int blend_dfactor;
210 int alpha_blend_sfactor;
211 int alpha_blend_dfactor;
212 int32_t lightmodel;
213 SbBool packeddiffuse;
214 int32_t numdiffuse;
215 int32_t numtransp;
216 const SbColor * diffusearray;
217 const uint32_t * packedarray;
218 const float * transparray;
219 const int32_t * colorindexarray;
220 int32_t transptype;
221 SbBool istransparent;
222 uint32_t diffusenodeid;
223 uint32_t transpnodeid;
224 int32_t stipplenum;
225 VertexOrdering vertexordering;
226 SbBool twoside;
227 SbBool culling;
228 SbBool flatshading;
229 uint32_t glimageid;
230 SoGLImage * glimage;
231 SbBool alphatest;
232 SbBool glimageusealphatest;
233 uint32_t reserved[4];
234 } coinstate;
235
236 protected:
237 virtual void lazyDidSet(uint32_t mask);
238 virtual void lazyDidntSet(uint32_t mask);
239
240 virtual void setDiffuseElt(SoNode*, int32_t numcolors,
241 const SbColor * colors, SoColorPacker * packer);
242 virtual void setPackedElt(SoNode * node, int32_t numcolors,
243 const uint32_t * colors, const SbBool packedtransparency);
244 virtual void setColorIndexElt(SoNode * node, int32_t numindices,
245 const int32_t * indices);
246 virtual void setTranspElt(SoNode * node, int32_t numtransp,
247 const float * transp, SoColorPacker * packer);
248
249 virtual void setTranspTypeElt(int32_t type);
250 virtual void setAmbientElt(const SbColor* color);
251 virtual void setEmissiveElt(const SbColor* color);
252 virtual void setSpecularElt(const SbColor* color);
253 virtual void setShininessElt(float value);
254 virtual void setColorMaterialElt(SbBool value);
255 virtual void enableBlendingElt(int sfactor, int dfactor, int alpha_sfactor, int alpha_dfactor);
256 virtual void disableBlendingElt(void);
257 virtual void setLightModelElt(SoState *state, int32_t model);
258 virtual void setMaterialElt(SoNode * node, uint32_t bitmask,
259 SoColorPacker * packer,
260 const SbColor * diffuse, const int numdiffuse,
261 const float * transp, const int numtransp,
262 const SbColor & ambient,
263 const SbColor & emissive,
264 const SbColor & specular,
265 const float shininess,
266 const SbBool istransparent);
267 virtual void setVertexOrderingElt(VertexOrdering ordering);
268 virtual void setBackfaceCullingElt(SbBool onoff);
269 virtual void setTwosideLightingElt(SbBool onoff);
270 virtual void setShadeModelElt(SbBool flatshading);
271 virtual void setGLImageIdElt(uint32_t glimageid, SbBool alphatest);
272 virtual void setAlphaTestElt(SbBool onoff);
273
274 private:
275 SoLazyElementP * pimpl; // for future use
276
277 };
278
279 class COIN_DLL_API SoColorPacker {
280 public:
281 SoColorPacker(void);
282 ~SoColorPacker();
283
284 uint32_t * getPackedColors(void) const {
285 return this->array;
286 }
287 SbBool diffuseMatch(const uint32_t nodeid) const {
288 return nodeid == this->diffuseid;
289 }
290 SbBool transpMatch(const uint32_t nodeid) const {
291 return nodeid == this->transpid;
292 }
293 void setNodeIds(const uint32_t diffuse, const uint32_t transp) {
294 this->diffuseid = diffuse;
295 this->transpid = transp;
296 }
297 int32_t getSize(void) const {
298 return this->arraysize;
299 }
300 void reallocate(const int32_t size);
301
302 uint32_t getDiffuseId(void) const {
303 return this->diffuseid;
304 }
305 uint32_t getTranspId(void) const {
306 return this->transpid;
307 }
308 private:
309 uint32_t transpid;
310 uint32_t diffuseid;
311 uint32_t * array;
312 int32_t arraysize;
313 };
314
315 #endif // !COIN_SOLAZYELEMENT_H

Copyright © 1998-2010 by Kongsberg Oil & Gas Technologies. All rights reserved.