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C++ Shaders类代码示例

本文整理汇总了C++中Shaders类的典型用法代码示例。如果您正苦于以下问题：C++ Shaders类的具体用法？C++ Shaders怎么用？C++ Shaders使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了Shaders类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: 

void
PointDrawable::setupState()
{
    // Create the singleton state set for the shader. This stateset will be
    // shared by all PointDrawable instances so OSG will sort them together.
    if (!_sharedStateSet.valid())
    {
        static Threading::Mutex s_mutex;
        s_mutex.lock();
        if (!_sharedStateSet.valid())
        {
            _sharedStateSet = new osg::StateSet();

            _sharedStateSet->setTextureAttributeAndModes(0, new osg::PointSprite(), osg::StateAttribute::ON);

            if (_gpu)
            {
                VirtualProgram* vp = VirtualProgram::getOrCreate(_sharedStateSet.get());
                Shaders shaders;
                shaders.load(vp, shaders.PointDrawable);
                _sharedStateSet->setMode(GL_PROGRAM_POINT_SIZE, 1);
            }
            else
            {
                //todo
            }

            s_isCoreProfile = Registry::capabilities().isCoreProfile();
        }
        s_mutex.unlock();
    }
}
开发者ID:pprabhu78，项目名称:osgearth，代码行数:32，代码来源:PointDrawable.cpp

示例2: 

void
ContourMap::onUninstall(TerrainEngineNode* engine)
{
    if ( engine )
    {
        osg::StateSet* stateset = engine->getStateSet();
        if ( stateset )
        {
            stateset->removeUniform( _xferMin.get() );
            stateset->removeUniform( _xferRange.get() );
            stateset->removeUniform( _xferSampler.get() );
            stateset->removeUniform( _opacityUniform.get() );

            stateset->removeTextureAttribute( _unit, osg::StateAttribute::TEXTURE );

            VirtualProgram* vp = VirtualProgram::get(stateset);
            if ( vp )
            {
                Shaders pkg;
                pkg.unload(vp, pkg.ContourMap_Vertex);
                pkg.unload(vp, pkg.ContourMap_Fragment);
            }
        }

        if ( _unit >= 0 )
        {
            engine->getResources()->releaseTextureImageUnit( _unit );
            _unit = -1;
        }
    }
}
开发者ID:2php，项目名称:osgearth，代码行数:31，代码来源:ContourMap.cpp

示例3: composeMain

void ShaderComposer::addShaderToProgram(Program* program, const Shaders& shaders)
{
    ShaderMainMap::iterator itr = _shaderMainMap.find(shaders);
    if (itr == _shaderMainMap.end())
    {
        // no vertex shader in map yet, need to compose a new main shader
        osg::Shader* mainShader = composeMain(shaders);
        _shaderMainMap[shaders] = mainShader;
        program->addShader(mainShader);
    }
    else
    {
        program->addShader(itr->second.get());
    }

    for(Shaders::const_iterator itr = shaders.begin();
        itr != shaders.end();
        ++itr)
    {
        Shader* shader = const_cast<Shader*>(*itr);
        if (!(shader->getShaderSource().empty()) || shader->getShaderBinary())
        {
            program->addShader(shader);
        }
    }
}
开发者ID:Kurdakov，项目名称:emscripten_OSG，代码行数:26，代码来源:ShaderComposer.cpp

示例4: 

void
BumpMapTerrainEffect::onUninstall(TerrainEngineNode* engine)
{
    osg::StateSet* stateset = engine->getStateSet();
    if ( stateset )
    {
        if ( _bumpMapTex.valid() )
        {
            stateset->removeUniform("oe_bumpmap_maxRange");
            stateset->removeUniform("oe_bumpmap_octaves");
            stateset->removeUniform( _scaleUniform.get() );
            stateset->removeUniform( _intensityUniform.get() );
            stateset->removeUniform( _bumpMapTexUniform.get() );
            stateset->removeTextureAttribute( _bumpMapUnit, osg::StateAttribute::TEXTURE );
        }

        VirtualProgram* vp = VirtualProgram::get(stateset);
        if ( vp )
        {
            Shaders pkg;
            pkg.unloadAll( vp );
        }
    }
    
    if ( _bumpMapUnit >= 0 )
    {
        engine->getResources()->releaseTextureImageUnit( _bumpMapUnit );
        _bumpMapUnit = -1;
    }
}
开发者ID:2php，项目名称:osgearth，代码行数:30，代码来源:BumpMapTerrainEffect.cpp

示例5: SetFarPlaneUniformCallback

void
LogarithmicDepthBuffer::install(osg::Camera* camera)
{
    if ( camera && _supported )
    {
        // install the shader component:
        osg::StateSet* stateset = camera->getOrCreateStateSet();

        if ( _useFragDepth )
        {
            stateset->addUniform( new osg::Uniform(C_UNIFORM, (float)NEAR_RES_COEFF) );
        }
        
        VirtualProgram* vp = VirtualProgram::getOrCreate( stateset );
        Shaders pkg;

        if ( _useFragDepth )
        {
            pkg.loadFunction( vp, pkg.LogDepthBuffer_VertFile );
            pkg.loadFunction( vp, pkg.LogDepthBuffer_FragFile );
        }
        else
        {
            pkg.loadFunction( vp, pkg.LogDepthBuffer_VertOnly_VertFile );
        }

        osg::ref_ptr<osg::Camera::DrawCallback> next = camera->getPreDrawCallback();
        if ( dynamic_cast<SetFarPlaneUniformCallback*>(next.get()) )
            next = static_cast<SetFarPlaneUniformCallback*>(next.get())->_next.get();
        
        stateset->addUniform( _FCUniform.get() );

        camera->setPreDrawCallback( new SetFarPlaneUniformCallback(_FCUniform.get(), next.get()) );
    }
}
开发者ID:speakfool，项目名称:osgearth，代码行数:35，代码来源:LogarithmicDepthBuffer.cpp

示例6: 

void
BumpMapTerrainEffect::onInstall(TerrainEngineNode* engine)
{
    if ( engine && _bumpMapTex.valid() )
    {
        osg::StateSet* stateset = engine->getTerrainStateSet();

        // install the NormalMap texture array:
        if ( engine->getResources()->reserveTextureImageUnit(_bumpMapUnit, "BumpMap") )
        {
            // NormalMap sampler
            _bumpMapTexUniform = stateset->getOrCreateUniform(BUMP_SAMPLER, osg::Uniform::SAMPLER_2D);
            _bumpMapTexUniform->set( _bumpMapUnit );
            stateset->setTextureAttribute( _bumpMapUnit, _bumpMapTex.get(), osg::StateAttribute::ON );

            // configure shaders
            VirtualProgram* vp = VirtualProgram::getOrCreate(stateset);

            Shaders package;            
            package.define( "OE_USE_NORMAL_MAP", engine->normalTexturesRequired() );

            package.loadFunction( vp, package.VertexModel );
            package.loadFunction( vp, package.VertexView );
            package.loadFunction( vp, _octaves <= 1? package.FragmentSimple : package.FragmentProgressive );

            if ( _octaves > 1 )
                stateset->addUniform(new osg::Uniform("oe_bumpmap_octaves", _octaves));

            stateset->addUniform(new osg::Uniform("oe_bumpmap_maxRange", _maxRange));

            stateset->addUniform( _scaleUniform.get() );
            stateset->addUniform( _intensityUniform.get() );
        }
    }
}
开发者ID:Brucezhou1979，项目名称:osgearth，代码行数:35，代码来源:BumpMapTerrainEffect.cpp

示例7: 

void
LogarithmicDepthBuffer::uninstall(osg::Camera* camera)
{
    if ( camera && _supported )
    {
        SetFarPlaneUniformCallback* dc = dynamic_cast<SetFarPlaneUniformCallback*>(camera->getPreDrawCallback());
        if ( dc )
        {
            osg::ref_ptr<osg::Camera::DrawCallback> next = dc->_next.get();
            camera->setPreDrawCallback( next.get() );
        }

        osg::StateSet* stateset = camera->getStateSet();
        if ( stateset )
        {
            VirtualProgram* vp = VirtualProgram::get( camera->getStateSet() );
            if ( vp )
            {
                Shaders pkg;
                pkg.unloadFunction( vp, pkg.LogDepthBuffer_FragFile );
                pkg.unloadFunction( vp, pkg.LogDepthBuffer_VertFile );
                pkg.unloadFunction( vp, pkg.LogDepthBuffer_VertOnly_VertFile );
            }

            stateset->removeUniform( FC_UNIFORM );
            stateset->removeUniform( C_UNIFORM );
        }
    }
}
开发者ID:speakfool，项目名称:osgearth，代码行数:29，代码来源:LogarithmicDepthBuffer.cpp

示例8: main

int main( int argc, char **argv ) {
  try {
		size_t N = 13;
		size_t bufSize = 4 * N;
		float *buf = new float[bufSize];

		for( size_t i = 0; i < N; ++i ) {
			buf[4*i] = cosf( 2 * 3.1415f * float( i ) / float( N - 1 ) );
			buf[4*i+1] = sinf( 2 * 3.1415f * float( i ) / float( N - 1 ) );
			buf[4*i+2] = 0.0f;
			buf[4*i+3] = 1.0f;
			std::cout << buf[4*i] << " " << buf[4*i+1];
      std::cout << " " << buf[4*i+2] << " " << buf[4*i+3] << "\n";
    }

		Shaders shaders;
		shaders.addToVertexList( nBodyShaders::vertex1 );
		shaders.addToFragmentList( nBodyShaders::fragment1 );
    NBodyWindow window{ "N-Body Simulation", GlutWrapper::NDEBUG };
		window.init( argc, argv, 500, 500, &shaders, bufSize, buf );
		window.run();

		delete [] buf;
    return 0;
  } catch( const std::exception &e ) {
    std::cerr << "Error: " << e.what() << "\n";
    return 1;
  }
}
开发者ID:forevermzm，项目名称:s096，代码行数:29，代码来源:main.cpp

示例9: attach

void FogEffect::attach( osg::StateSet* stateSet )
{
    VirtualProgram* vp = VirtualProgram::getOrCreate( stateSet );
    Shaders pkg;
    pkg.load( vp, pkg.Fog_Vertex );
    pkg.load( vp, pkg.Fog_Fragment );
    _statesets.push_back(stateSet);
}
开发者ID:2php，项目名称:osgearth，代码行数:8，代码来源:Fog.cpp

示例10: 

void
DepthOffsetAdapter::setGraph(osg::Node* graph)
{
    if ( !_supported ) return;

    bool graphChanging =
        _graph.get() != graph;

    bool uninstall =
        (_graph.valid() && _graph->getStateSet()) &&
        (graphChanging || (_options.enabled() == false));

    bool install =
        (graph && graphChanging ) || 
        (graph && (_options.enabled() == true));

    // shader package:
    Shaders shaders;

    if ( uninstall )
    {
        OE_TEST << LC << "Removing depth offset shaders" << std::endl;

        // uninstall uniforms and shaders.
        osg::StateSet* s = _graph->getStateSet();
        s->removeUniform( _minBiasUniform.get() );
        s->removeUniform( _maxBiasUniform.get() );
        s->removeUniform( _minRangeUniform.get() );
        s->removeUniform( _maxRangeUniform.get() );
        
        shaders.unloadFunction( VirtualProgram::get(s), shaders.DepthOffsetVertex );
    }

    if ( install )
    {
        OE_TEST << LC << "Installing depth offset shaders" << std::endl;

        // install uniforms and shaders.
        osg::StateSet* s = graph->getOrCreateStateSet();
        s->addUniform( _minBiasUniform.get() );
        s->addUniform( _maxBiasUniform.get() );
        s->addUniform( _minRangeUniform.get() );
        s->addUniform( _maxRangeUniform.get() );
        
        shaders.loadFunction(VirtualProgram::getOrCreate(s), shaders.DepthOffsetVertex);        
    }

    if ( graphChanging )
    {
        _graph = graph;
    }

    // always set Dirty when setGraph is called sine it may be called anytime
    // the subgraph changes (as can be detected by a computeBound)
    _dirty = (_options.automatic() == true);
}
开发者ID:Brucezhou1979，项目名称:osgearth，代码行数:56，代码来源:DepthOffset.cpp

示例11: detach

void FogEffect::detach( osg::StateSet* stateSet )
{
    VirtualProgram* vp = VirtualProgram::get(stateSet);
    if ( vp )
    {
        Shaders pkg;
        pkg.unload( vp, pkg.Fog_Vertex );
        pkg.unload( vp, pkg.Fog_Fragment );
    }
}
开发者ID:2php，项目名称:osgearth，代码行数:10，代码来源:Fog.cpp

示例12: 

void
AlphaEffect::detach(osg::StateSet* stateset)
{
    if ( stateset && _installed )
    {
        stateset->removeUniform( _alphaUniform.get() );
        VirtualProgram* vp = VirtualProgram::get( stateset );
        if ( vp )
        {
            Shaders pkg;
            pkg.unload( vp, pkg.AlphaEffectFragment );
        }
    }
}
开发者ID:469447793，项目名称:osgearth，代码行数:14，代码来源:AlphaEffect.cpp

示例13: 

void
DrawInstanced::remove(osg::StateSet* stateset)
{
    if ( !stateset )
        return;

    VirtualProgram* vp = VirtualProgram::get(stateset);
    if ( !vp )
        return;

    Shaders pkg;
    pkg.unload( vp, pkg.InstancingVertex );

    stateset->removeUniform("oe_di_postex_TBO");
}
开发者ID:ldelgass，项目名称:osgearth，代码行数:15，代码来源:DrawInstanced.cpp

示例14: Draw

void Mesh::Draw(Shaders & shader) 
{
    unsigned int diffuseNr = 1;
    unsigned int specularNr = 1;
    unsigned int normalNr = 1;
    unsigned int heightNr = 1;
    for(size_t i = 0; i < this->_textures.size(); i++)
    {
        glActiveTexture(GL_TEXTURE0 + i); // activate proper texture unit before binding
        // retrieve texture number (the N in diffuse_textureN)
        std::string number;
        std::string name = this->_textures[i]._type;
        if(name == "texture_diffuse")
            number = std::to_string(diffuseNr++);
        else if(name == "texture_specular")
            number = std::to_string(specularNr++);
        else if(name == "texture_normal")
				number = std::to_string(normalNr++);
        else if(name == "texture_height")
            number = std::to_string(heightNr++);

        glUniform1i(glGetUniformLocation(shader.ID(), (name + number).c_str()), i);
        glBindTexture(GL_TEXTURE_2D, this->_textures[i]._id);
    }

    // draw mesh
    glBindVertexArray(VAO);
    glDrawElements(GL_TRIANGLES, this->_indices.size(), GL_UNSIGNED_INT, 0);
    glBindVertexArray(0);

    glActiveTexture(GL_TEXTURE0);
}
开发者ID:ZimboPro，项目名称:glfw_test，代码行数:32，代码来源:Mesh.cpp

示例15: _tmain

int _tmain(int argc, _TCHAR* argv[])
{
	ESContext esContext;

    esInitContext ( &esContext );

	esCreateWindow ( &esContext, "Hello Model", Globals::screenWidth, Globals::screenHeight, ES_WINDOW_RGB | ES_WINDOW_DEPTH);

	if ( Init ( &esContext ) != 0 )
		return 0;

	if (ppShaders.Init("../Resources/Shaders/PPShaderVS.vs", "../Resources/Shaders/PPShaderFS.fs") != 0)
		return 0;

	esRegisterDrawFunc ( &esContext, Draw );
	esRegisterUpdateFunc ( &esContext, Update );
	esRegisterKeyFunc ( &esContext, Key);

	esMainLoop ( &esContext );

	//releasing OpenGL resources
	CleanUp();

	//identifying memory leaks
	MemoryDump();
	printf("Press any key...\n");
	_getch();

	return 0;
}
开发者ID:Jokerro，项目名称:FBO，代码行数:30，代码来源:NewTrainingFramework.cpp


注：本文中的Shaders类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。