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ClassicDepthPeeling.hh
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42 /*===========================================================================*\
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49 
50 #include <QObject>
51 
55 
57 
58 #include <map>
59 
60 
62 {
63  Q_OBJECT
64  Q_INTERFACES(BaseInterface)
65  Q_INTERFACES(RenderInterface)
66  Q_INTERFACES(LoggingInterface)
67 
68 #if QT_VERSION >= 0x050000
69  Q_PLUGIN_METADATA(IID "org.OpenFlipper.Plugins.Plugin-Render-Old-DepthPeeling")
70 #endif
71 
72 signals:
73  // LoggingInterface
74  void log(Logtype _type, QString _message);
75  void log(QString _message);
76 
77 
78 public :
79 
82 
83  QString name() { return (QString("Dual Depth Peeling Plugin using classic rendering pipeling")); };
84  QString description( ) { return (QString(tr("Order independent transparency renderer (classic pipeline)"))); };
85 
86 public slots:
87  QString version() { return QString("1.0"); };
88 
89 private slots:
90 
91  //BaseInterface
92  void initializePlugin();
93  void exit();
94 
95  // RenderInterface
96  void render(ACG::GLState* _glState, Viewer::ViewerProperties& _properties);
97  QString rendererName();
98  void supportedDrawModes(ACG::SceneGraph::DrawModes::DrawMode& _mode);
99  QString checkOpenGL();
100 
101 private:
102 
104  void destroyResources();
105 
107  void destroyResources(int _viewerId);
108 
110  void reloadResources(int _viewerId);
111 
113  void drawQuadProj(float _x0 = -1.0f, float _y0 = 1.0f,
114  float _w = 2.0f, float _h = 2.0f);
115 
117  void traverseLightNodes(BaseNode* _node);
118 
120  void generatePeelingShaders(GLSL::StringList* _strVertexShaderOut,
121  GLSL::StringList* _strFragmentShaderOut,
122  GLSL::StringList* _strGeometryShaderOut,
123  bool _textured, bool _flatShaded, bool _phong, bool _vertexColor, bool _wireFrame);
124 
126  void updatePeelingShaderSet();
127 
129  void drawScenePass(ACG::GLState* _glState, ACG::SceneGraph::DrawModes::DrawMode _drawMode, BaseNode* _sceneGraphRoot);
130 
131  void drawScenePeelPass(ACG::GLState* _glState, ACG::SceneGraph::DrawModes::DrawMode _drawMode, BaseNode* _sceneGraphRoot, int _peelPass);
132 
133  template <class Action>
134  void traverseDraw(BaseNode* _node, Action& _action, ACG::SceneGraph::DrawModes::DrawMode _globalDrawMode, int _pass, int _peelPass);
135 
136  template <class Action>
137  bool traverseDrawApplyAction(BaseNode* _node, Action& _action, ACG::SceneGraph::DrawModes::DrawMode _globalDrawMode, int _pass, int _peelPass);
138 
141 
142 private:
143 
145  {
146  ViewerResources();
147 
149  unsigned int glWidth_;
150 
152  unsigned int glHeight_;
153 
155  unsigned int rtWidth_;
157  unsigned int rtHeight_;
158 
163  };
164 
165  std::map<int, ViewerResources> viewerRes_;
166 
169 
172 
173  // note that shader flags are only good easy shader indexing
174  // some combinations like phong + flat make no sense
175  enum
176  {
177  PEEL_SHADER_WIREFRAME = 0, // wireframe is a special case here, not combinable with others
178  PEEL_SHADER_HIDDENLINE = 1, // hiddenline is another special case, it renders geometry in background color
179  PEEL_SHADER_TEXTURED = 0x1,
180  PEEL_SHADER_PHONG = 0x2,
181  PEEL_SHADER_GOURAUD = 0x4,
182  PEEL_SHADER_FLAT = 0x8,
183  PEEL_SHADER_VERTEXCOLORS = 0x10,
184  PEEL_NUM_COMBINATIONS = 0x20,
185  PEEL_SHADER_NUM_FLAGS = 5
186  };
188  GLSL::Shader* peelShaders_[PEEL_NUM_COMBINATIONS*3]; // interleaved: vertex, geometry, fragment
189 
191  GLSL::Program* peelProgs_[PEEL_NUM_COMBINATIONS];
192 
195 
198 
200  GLuint numLights_;
201 
204  {
205  LIGHTTYPE_DIRECTIONAL = 0,
206  LIGHTTYPE_POINT,
207  LIGHTTYPE_SPOT
208  };
209 
213  GLuint glLightIDs_[16];
214 };
Interface class from which all plugins have to be created.
GLuint glLightIDs_[16]
matching GL light id
unsigned int rtWidth_
render target width
Logtype
Log types for Message Window.
Interface to add additional rendering functions from within plugins.
LightType
light type enumeration
unsigned int getPeelShaderIndex(ACG::SceneGraph::DrawModes::DrawMode _drawMode)
converts a drawmode to the correct shading program index
ACG::GLState * glStateTmp_
current glState ptr for hiddenline rendering
void drawScenePass(ACG::GLState *_glState, ACG::SceneGraph::DrawModes::DrawMode _drawMode, BaseNode *_sceneGraphRoot)
draw the current scene
GLuint blendQueryID_
fragment query
Interface for all Plugins which do logging to the logging window of the framework.
QString description()
Return a description of what the plugin is doing.
GLuint blendDualPeelFbo_
depth peeling fbo
GLuint blendDualPeelTexID_[7]
render target textures: {depth0, depth1, front_blend0, front_blend1, back_temp0, back_temp1, back_blend}
void generatePeelingShaders(GLSL::StringList *_strVertexShaderOut, GLSL::StringList *_strFragmentShaderOut, GLSL::StringList *_strGeometryShaderOut, bool _textured, bool _flatShaded, bool _phong, bool _vertexColor, bool _wireFrame)
peel shader generator based on lights and texture mode
A generic shader base class.
Definition: GLSLShader.hh:77
void reloadResources(int _viewerId)
reload gl resources
void destroyResources()
free all gl resources
GLSL::Program * peelProgs_[PEEL_NUM_COMBINATIONS]
generates shader programs
unsigned int rtHeight_
render target height
unsigned int glWidth_
viewer window width
void traverseLightNodes(BaseNode *_node)
find all light nodes in the scene
GLuint numLights_
number of used lights in the scene
QString name()
Return a name for the plugin.
GLSL program class.
Definition: GLSLShader.hh:217
LightType lightTypes_[16]
registered lights in the scene
void updatePeelingShaderSet()
regenerates peeling shaders based on light nodes in scenegraph
GLSL::Shader * blendShaders_[8]
shader resources
unsigned int glHeight_
viewer window height
void drawQuadProj(float _x0=-1.0f, float _y0=1.0f, float _w=2.0f, float _h=2.0f)
draw a quad in projection space (only positions)
GLSL::Shader * peelShaders_[PEEL_NUM_COMBINATIONS *3]
generated shader set
GLSL::Program * blendDualPeelProg_[4]
depth peeling programs