void ComputeShaderChunk::deactivate(DrawEnv *pEnv,
UInt32 uiIdx)
{
if(pEnv->getWindow()->getGLObjectId(getGLId()) == 0)
return;
pEnv->setActiveShader(0);
OSGGETGLFUNC_GL3_ES(glUseProgram,
osgGlUseProgram,
ShaderProgram::getFuncIdUseProgram());
osgGlUseProgram(0);
}
void VarianceShadowMapHandler::genMipMapCB(DrawEnv *pEnv,
UInt32 uiLightIdx)
{
ShadowStageData::ShadowMapStore &vShadowMaps = _pStageData->getShadowMaps();
glBindTexture(GL_TEXTURE_2D,
pEnv->getWindow()->getGLObjectId(
vShadowMaps[uiLightIdx].pTexO->getGLId()));
OSGGETGLFUNC_GL3_ES(glGenerateMipmapEXT,
osgGlGenerateMipmap,
ShadowStage::FuncIdGenMipmaps);
osgGlGenerateMipmap(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
}
void ComputeShaderChunk::updateVariableLocations(DrawEnv *pEnv,
UInt32 uiProgram)
{
if(uiProgram == 0)
return;
const ShaderProgramVariables::MFVariablesType *pMFVars = NULL;
const ShaderProgramVariables::MFProceduralVariablesType *pMFProcVars = NULL;
if(_sfVariables.getValue() != NULL)
{
pMFVars = _sfVariables.getValue()->getMFVariables ();
pMFProcVars = _sfVariables.getValue()->getMFProceduralVariables();
}
if(pMFVars != NULL && pMFVars->size() != 0)
{
MFInt32 &vVarLocations = *this->editMFVariableLocations();
OSG_ASSERT(pMFVars->size() == vVarLocations.size());
MFInt32::iterator mLocIt = vVarLocations.begin();
ShaderProgramVariables::MFVariablesType::const_iterator mVarIt =
pMFVars->begin();
ShaderProgramVariables::MFVariablesType::const_iterator mVarEnd =
pMFVars->end ();
OSGGETGLFUNC_GL3_ES(glGetUniformLocation,
osgGlGetUniformLocation,
ShaderProgram::getFuncIdGetUniformLocation());
for(; mVarIt != mVarEnd; ++mVarIt, ++mLocIt)
{
*mLocIt = osgGlGetUniformLocation(uiProgram,
(*mVarIt)->getName().c_str());
}
}
if(pMFProcVars != NULL && pMFProcVars->size() != 0)
{
MFInt32 &vVarLocations = *this->editMFProceduralVariableLocations();
OSG_ASSERT(pMFProcVars->size() == vVarLocations.size());
MFInt32::iterator mLocIt = vVarLocations.begin();
ShaderProgramVariables::MFProceduralVariablesType::const_iterator
mVarIt = pMFProcVars->begin();
ShaderProgramVariables::MFProceduralVariablesType::const_iterator
mVarEnd = pMFProcVars->end ();
OSGGETGLFUNC_GL3_ES(glGetUniformLocation,
osgGlGetUniformLocation,
ShaderProgram::getFuncIdGetUniformLocation());
for(; mVarIt != mVarEnd; ++mVarIt, ++mLocIt)
{
*mLocIt = osgGlGetUniformLocation(uiProgram,
(*mVarIt)->getName().c_str());
}
}
}
