Visualization Library 2.0.0-b3

A lightweight C++ OpenGL middleware for 2D/3D graphics

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RenderStateSet.cpp
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31 
34 #include <vlGraphics/GLSL.hpp>
35 
36 using namespace vl;
37 
38 //------------------------------------------------------------------------------
40 {
42  for(size_t i=0; i<mRenderStates.size(); ++i)
43  mRenderStates[i].mRS = mRenderStates[i].mRS->clone();
44  return *this;
45 }
46 //------------------------------------------------------------------------------
47 void RenderStateSet::setRenderState(RenderState* renderstate, int index)
48 {
49  if (renderstate)
50  {
51  if (renderstate->type() == RS_GLSLProgram)
52  mGLSLProgram = static_cast<GLSLProgram*>(renderstate);
53  for(unsigned i=0; i<mRenderStates.size(); ++i)
54  {
55  if (mRenderStates[i].mRS->type() == renderstate->type() && mRenderStates[i].mIndex == index)
56  {
57  mRenderStates[i].mRS = renderstate;
58  // mRenderStates[i].mIndex = index;
59  return;
60  }
61  }
62  mRenderStates.push_back( RenderStateSlot(renderstate, index) );
63  }
64 }
65 //------------------------------------------------------------------------------
67 {
68  for(unsigned i=0; i<mRenderStates.size(); ++i)
69  if (mRenderStates[i].mRS->type() == type && mRenderStates[i].mIndex == index)
70  return mRenderStates[i].mRS.get();
71  return NULL;
72 }
73 //------------------------------------------------------------------------------
74 const RenderState* RenderStateSet::renderState( ERenderState type, int index ) const
75 {
76  for(unsigned i=0; i<mRenderStates.size(); ++i)
77  if (mRenderStates[i].mRS->type() == type && mRenderStates[i].mIndex == index)
78  return mRenderStates[i].mRS.get();
79  return NULL;
80 }
81 //------------------------------------------------------------------------------
83 {
84  if (type == RS_GLSLProgram)
86  for(unsigned i=0; i<mRenderStates.size(); ++i)
87  {
88  if (mRenderStates[i].mRS->type() == type && (index == mRenderStates[i].mIndex || index == -1))
89  {
90  mRenderStates.erase(mRenderStates.begin() + i);
91  if (index == -1)
92  continue; // just for clarity
93  else
94  return;
95  }
96  }
97 }
98 //------------------------------------------------------------------------------
std::vector< RenderStateSlot > mRenderStates
GLSLProgram * mGLSLProgram
ERenderState
RenderState * renderState(ERenderState type, int index=-1)
Visualization Library main namespace.
Base class for most of the OpenGL render state wrapper classes.
Definition: RenderState.hpp:50
RenderStateSet & deepCopyFrom(const RenderStateSet &other)
void eraseRenderState(ERenderState type, int index)
If index == -1 all the renderstates of the given type are removed regardless of their binding index...
#define NULL
Definition: OpenGLDefs.hpp:81
A set of RenderState objects managed by a Shader.
void setRenderState(RenderState *renderstate, int index)
virtual ERenderState type() const
Definition: RenderState.hpp:59