C++ (Cpp) State::getUniformLocation Examples

Example #1

File: DepthPeelBin.cpp Project: yaroslav-tarasov/backdropfx

void DepthPeelBin::drawFSTP( osg::RenderInfo& renderInfo, osg::State& state, osg::GL2Extensions* ext, PerContextInfo& pci,
                            GLint& fstpLoc, GLint& texturePercentLoc )
{
    TRACEDUMP("DepthPeelBin::drawFSTP");

    // Set up the program and uniforms.
    state.applyAttribute( _fstpProgram.get() );
    if( fstpLoc < 0 )
#if OSG_SUPPORTS_UNIFORM_ID
        fstpLoc = state.getUniformLocation( _fstpUniform->getNameID() );
#else
        fstpLoc = state.getUniformLocation( _fstpUniform->getName() );
#endif
    _fstpUniform->apply( ext, fstpLoc );
    if( texturePercentLoc < 0 )
#if OSG_SUPPORTS_UNIFORM_ID
        texturePercentLoc = state.getUniformLocation( _texturePercentUniform->getNameID() );
#else
        texturePercentLoc = state.getUniformLocation( _texturePercentUniform->getName() );
#endif
    _texturePercentUniform->apply( ext, texturePercentLoc );

    state.setActiveTextureUnit( s_textureUnit+1 );
    glBindTexture( GL_TEXTURE_2D, pci._colorTex );
    state.applyAttribute( _fstpBlendFunc.get() );
    state.applyMode( GL_BLEND, true );
    state.applyMode( GL_DEPTH_TEST, false );

    _fstp->draw( renderInfo );

    state.setActiveTextureUnit( s_textureUnit+1 );
    glBindTexture( GL_TEXTURE_2D, 0 );
}

Example #2

File: RenderingEffects.cpp Project: yaroslav-tarasov/backdropfx

void RenderingEffects::applyAllGlobalUniforms( osg::State& state, osg::GL2Extensions* gl2Ext )
{
    UniformVector::iterator it;
    for( it = _globalUniformVector.begin(); it != _globalUniformVector.end(); it++ )
    {
        osg::Uniform* uniform = (*it).get();
#if OSG_SUPPORTS_UNIFORM_ID
        GLint location = state.getUniformLocation( uniform->getNameID() );
#else
        GLint location = state.getUniformLocation( uniform->getName() );
#endif
        if( location >= 0 )
            uniform->apply( gl2Ext, location );
    }
}