Coin  4.0.3
Coin3D core library
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SoGLLazyElement.h
1#ifndef COIN_SOGLLAZYELEMENT_H
2#define COIN_SOGLLAZYELEMENT_H
3
4/**************************************************************************\
5 * Copyright (c) Kongsberg Oil & Gas Technologies AS
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
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11 *
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13 * this list of conditions and the following disclaimer.
14 *
15 * Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * Neither the name of the copyright holder nor the names of its
20 * contributors may be used to endorse or promote products derived from
21 * this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34\**************************************************************************/
35
36#include <Inventor/elements/SoLazyElement.h>
37#include <Inventor/C/glue/gl.h>
38
39class SoGLRenderCache;
40class SoGLLazyElementP;
41class SoVBO;
42
43class COIN_DLL_API SoGLLazyElement : public SoLazyElement {
44 typedef SoLazyElement inherited;
45
46 SO_ELEMENT_HEADER(SoGLLazyElement);
47
48public:
49 static void initClass();
50protected:
51 ~SoGLLazyElement();
52public:
53
54 virtual void init(SoState *state);
55 virtual void push(SoState *state);
56 virtual void pop(SoState *state, const SoElement * prevtopelement);
57
58 static void sendAllMaterial(SoState * state);
59 static void sendNoMaterial(SoState * state);
60 static void sendOnlyDiffuseColor(SoState * state);
61 static void sendLightModel(SoState * state, const int32_t model);
62 static void sendPackedDiffuse(SoState * state, const uint32_t diffuse);
63 static void sendFlatshading(SoState * state, const SbBool onoff);
64 static void sendVertexOrdering(SoState * state, const VertexOrdering ordering);
65 static void sendTwosideLighting(SoState * state, const SbBool onoff);
66 static void sendBackfaceCulling(SoState * state, const SbBool onoff);
67
68 void sendDiffuseByIndex(const int index) const;
69 static SbBool isColorIndex(SoState *state);
70 static SoGLLazyElement * getInstance(const SoState *state);
71 void send(const SoState *state, uint32_t mask) const;
72
73 void sendVPPacked(SoState* state, const unsigned char* pcolor);
74
75 void reset(SoState* state, uint32_t bitmask) const;
76
77 struct COIN_DLL_API GLState {
78 uint32_t cachebitmask;
79 uint32_t diffuse;
80 SbColor ambient;
81 SbColor emissive;
82 SbColor specular;
83 float shininess;
84 int32_t lightmodel;
85 int32_t blending;
86 int32_t blend_sfactor;
87 int32_t blend_dfactor;
88 int32_t alpha_blend_sfactor;
89 int32_t alpha_blend_dfactor;
90 int32_t stipplenum;
91 int32_t vertexordering;
92 int32_t culling;
93 int32_t twoside;
94 int32_t flatshading;
95 int32_t alphatestfunc;
96 float alphatestvalue;
97 SbUniqueId diffusenodeid;
98 SbUniqueId transpnodeid;
99 uint32_t reserved[4];
100 };
101
102 virtual void setDiffuseElt(SoNode*, int32_t numcolors,
103 const SbColor * colors, SoColorPacker * packer);
104 virtual void setPackedElt(SoNode * node, int32_t numcolors,
105 const uint32_t * colors, const SbBool packedtransparency);
106 virtual void setColorIndexElt(SoNode * node, int32_t numindices,
107 const int32_t * indices);
108 virtual void setTranspElt(SoNode * node, int32_t numtransp,
109 const float * transp, SoColorPacker * packer);
110
111 virtual void setTranspTypeElt(int32_t type);
112 virtual void setAmbientElt(const SbColor* color);
113 virtual void setEmissiveElt(const SbColor* color);
114 virtual void setSpecularElt(const SbColor* color);
115 virtual void setShininessElt(float value);
116 virtual void setColorMaterialElt(SbBool value);
117 virtual void enableBlendingElt(int sfactor, int dfactor, int alpha_sfactor, int alpha_dfactor);
118 virtual void disableBlendingElt(void);
119 virtual void setLightModelElt(SoState *state, int32_t model);
120 virtual void setMaterialElt(SoNode * node, uint32_t bitmask,
121 SoColorPacker * packer,
122 const SbColor * diffuse, const int numdiffuse,
123 const float * transp, const int numtransp,
124 const SbColor & ambient,
125 const SbColor & emissive,
126 const SbColor & specular,
127 const float shininess,
128 const SbBool istransparent);
129 virtual void setVertexOrderingElt(VertexOrdering ordering);
130 virtual void setBackfaceCullingElt(SbBool onoff);
131 virtual void setTwosideLightingElt(SbBool onoff);
132 virtual void setShadeModelElt(SbBool flatshading);
133 virtual void setAlphaTestElt(int func, float value);
134
135 static void beginCaching(SoState * state,
136 SoGLLazyElement::GLState * prestate,
137 SoGLLazyElement::GLState * poststate);
138 static void endCaching(SoState * state);
139
140 static SbBool preCacheCall(const SoState * state, const SoGLLazyElement::GLState * prestate);
141 static void postCacheCall(const SoState * state, const SoGLLazyElement::GLState * poststate);
142
143 static void mergeCacheInfo(SoState * state,
144 SoGLLazyElement::GLState * childprestate,
145 SoGLLazyElement::GLState * childpoststate);
146
147 void updateColorVBO(SoVBO * vbo);
148
149protected:
150 virtual void lazyDidSet(uint32_t mask);
151 virtual void lazyDidntSet(uint32_t mask);
152
153private:
154 void sendPackedDiffuse(const uint32_t diffuse) const;
155 void sendAmbient(const SbColor & color) const;
156 void sendEmissive(const SbColor & color) const;
157 void sendSpecular(const SbColor & specular) const;
158 void sendShininess(const float shininess) const;
159 void sendTransparency(const int stipplenum) const;
160 void enableBlending(const int sfactor, const int dfactor) const;
161 void enableSeparateBlending(const cc_glglue * glue,
162 const int sfactor, const int dfactor,
163 const int alpha_sfactor, const int alpha_dfactor) const;
164 void disableBlending(void) const;
165
166 void sendLightModel(const int32_t model) const;
167 void sendFlatshading(const SbBool onoff) const;
168 void sendVertexOrdering(const VertexOrdering ordering) const;
169 void sendTwosideLighting(const SbBool onoff) const;
170 void sendBackfaceCulling(const SbBool onoff) const;
171 void sendAlphaTest(int func, float value) const;
172 void initGL(void);
173 void packColors(SoColorPacker * packer) const;
174
175 mutable uint32_t didsetbitmask;
176 mutable uint32_t didntsetbitmask;
177 mutable uint32_t cachebitmask;
178 mutable uint32_t opencacheflags;
179
180 mutable GLState glstate;
181 GLState * postcachestate;
182 GLState * precachestate;
183 SbBool colorindex;
184 mutable SoColorPacker * colorpacker;
185 mutable const uint32_t * packedpointer;
186 uint32_t transpmask;
187 SoState * state;
188 SoGLLazyElementP * pimpl; // for future use
189};
190
191#endif // !COIN_SOGLLAZYELEMENT_H
SbColor
The SbColor class contains the red, green and blue components which make up a color value.
Definition SbColor.h:39
SoColorPacker
Definition SoLazyElement.h:283
SoElement
SoElement is the abstract base class for all elements.
Definition SoElement.h:43
SoElement::pop
virtual void pop(SoState *state, const SoElement *prevTopElement)
Definition SoElement.cpp:585
SoGLLazyElement
The SoGLLazyElement class is meant to optimize GL rendering.
Definition SoGLLazyElement.h:43
SoGLRenderCache
The SoGLRenderCache class is used to cache OpenGL calls.
Definition SoGLRenderCache.h:43
SoLazyElement
The SoLazyElement class is used to handle material and shape properties.
Definition SoLazyElement.h:48
SoLazyElement::initClass
static void initClass()
Definition SoLazyElement.cpp:132
SoLazyElement::init
virtual void init(SoState *state)
Definition SoLazyElement.cpp:163
SoLazyElement::push
virtual void push(SoState *state)
Definition SoLazyElement.cpp:198
SoNode
The SoNode class is the base class for nodes used in scene graphs.
Definition SoNode.h:56
SoState
The SoState class manages the Coin scene graph traversal state data.
Definition SoState.h:44
SoGLLazyElement::GLState
Definition SoGLLazyElement.h:77