C++ TextureChunkPtr::setWrapR方法代码示例

//.........这里部分代码省略.........
                        FWARNING(("PerformerLoader::traverseGState: "
                                  "Unknown tex format %d!\n",
                                   tex->getFormat(PFTEX_EXTERNAL_FORMAT)));
                        extformat = tex->getFormat(PFTEX_EXTERNAL_FORMAT);
                        break;
                    }
                    
                    intformat = tex->getFormat(PFTEX_INTERNAL_FORMAT);
                    
                    
                    ImagePtr img = Image::create();
                    beginEditCP(img);
                    
                    img->set(pf, w, h, d, 1, 1, 0, NULL, type, 1, sides);
                    
                    if(sides == 1)
                    {
                        memcpy(img->getData(), pdata, img->getSize());
                    }
                    else
                    {
                        FWARNING(("PerformerLoader::traverseGState: "
                                  "CubeTex not impl yet!\n"));
                    }
                    
                    endEditCP(img);
                    
                    texc->setImage(img);
                    
                    texc->setInternalFormat(intformat);
                    
                    texc->setWrapS(tex->getRepeat(PFTEX_WRAP_S));
                    texc->setWrapT(tex->getRepeat(PFTEX_WRAP_T));
                    texc->setWrapR(tex->getRepeat(PFTEX_WRAP_R));
 
                    static int ptexfilter[] = { PFTEX_POINT,
                                                PFTEX_LINEAR,
                                                PFTEX_BILINEAR,
                                                PFTEX_TRILINEAR,
                                                PFTEX_QUADLINEAR,
                                                PFTEX_MIPMAP_POINT,
                                                PFTEX_MIPMAP_LINEAR,
                                                PFTEX_MIPMAP_BILINEAR,
                                                PFTEX_MIPMAP_TRILINEAR,
                                                PFTEX_MIPMAP_QUADLINEAR,
                                                -1
                                              };
                    static int otexfilter[] = { GL_NEAREST,
                                                GL_LINEAR,
                                                GL_LINEAR,
                                                GL_LINEAR,
                                                GL_LINEAR,
                                                GL_NEAREST_MIPMAP_NEAREST,
                                                GL_NEAREST_MIPMAP_LINEAR,
                                                GL_LINEAR_MIPMAP_NEAREST,
                                                GL_LINEAR_MIPMAP_LINEAR,
                                                GL_LINEAR_MIPMAP_LINEAR
                                              };

                    int ptf = tex->getFilter(PFTEX_MINFILTER);
                    UInt32 otf = GL_NONE;
                    for (UInt16 i = 0; ptexfilter[i] != -1; ++i)
                        if(ptexfilter[i] == ptf)
                            otf = otexfilter[i];
                    texc->setMinFilter(otf);

//.........这里部分代码省略.........
    // Make Torus Node (creates Torus in background of scene)
    NodePtr TorusGeometryNode = makeTorus(.5, 2, 24, 48);

    beginEditCP(TorusGeometryNode->getCore());
        GeometryPtr::dcast(TorusGeometryNode->getCore())->setMaterial(TheMaterial);
    endEditCP(TorusGeometryNode->getCore());
    calcVertexNormals(GeometryPtr::dcast(TorusGeometryNode->getCore()));
    calcVertexTangents(GeometryPtr::dcast(TorusGeometryNode->getCore()),0,Geometry::TexCoords7FieldId, Geometry::TexCoords6FieldId);

    RootTransformCore = Transform::create();

    NodePtr TorusTransformNode = Node::create();
    beginEditCP(TorusTransformNode, Node::CoreFieldMask);
        TorusTransformNode->setCore(RootTransformCore);
        TorusTransformNode->addChild(TorusGeometryNode);
    endEditCP(TorusTransformNode, Node::CoreFieldMask);

    //Create Light Beacon
    Matrix LightMat;
    LightMat.setTranslate(0.0f,10.0f,1.0f);
    TransformPtr LightBeconCore = Transform::create();
    beginEditCP(LightBeconCore, Transform::MatrixFieldMask);
        LightBeconCore->setMatrix(LightMat);
    endEditCP(LightBeconCore, Transform::MatrixFieldMask);

    NodePtr LightBeconNode = Node::create();
    beginEditCP(LightBeconNode, Node::CoreFieldMask);
        LightBeconNode->setCore(LightBeconCore);
    endEditCP(LightBeconNode, Node::CoreFieldMask);

    //Create Light
    TheLight = PointLight::create();
    beginEditCP(TheLight);
        TheLight->setBeacon(LightBeconNode);
    endEditCP(TheLight);

    NodePtr LightNode = Node::create();
    beginEditCP(LightNode, Node::CoreFieldMask);
        LightNode->setCore(TheLight);
        LightNode->addChild(TorusTransformNode);
    endEditCP(LightNode, Node::CoreFieldMask);


    //Create Root

    NodePtr TheRoot = Node::create();
    beginEditCP(TheRoot);
        TheRoot->setCore(Group::create());
        TheRoot->addChild(CameraBeconNode);
        TheRoot->addChild(LightNode);
        TheRoot->addChild(LightBeconNode);
    endEditCP(TheRoot);

    //Create Background
    SolidBackgroundPtr TheBackground = SolidBackground::create();
    TheBackground->setColor(Color3f(1.0,0.0,0.0));

    //DepthClearBackgroundPtr TheBackground = DepthClearBackground::create();

    //Create the Image
    ImagePtr TheColorImage = Image::create();
    TheColorImage->set(Image::OSG_RGB_PF,2,2,1,1,1,0.0f,0,Image::OSG_FLOAT16_IMAGEDATA);

    //Create the texture
    TextureChunkPtr TheColorTextureChunk = TextureChunk::create();
    beginEditCP(TheColorTextureChunk);
        TheColorTextureChunk->setImage(TheColorImage);

        TheColorTextureChunk->setMinFilter(GL_NEAREST);
        TheColorTextureChunk->setMagFilter(GL_NEAREST);

        TheColorTextureChunk->setWrapS(GL_CLAMP_TO_EDGE);
        TheColorTextureChunk->setWrapR(GL_CLAMP_TO_EDGE);

        TheColorTextureChunk->setScale(false);
        TheColorTextureChunk->setNPOTMatrixScale(true);
        
        TheColorTextureChunk->setEnvMode(GL_REPLACE);
        TheColorTextureChunk->setInternalFormat(GL_RGB16F);

    endEditCP(TheColorTextureChunk);


    //Create FBO
    FBOViewportPtr TheFBO = FBOViewport::create();
    beginEditCP(TheFBO);
        TheFBO->setBackground(TheBackground);
        TheFBO->setRoot(TheRoot);
        TheFBO->setCamera(TheCamera);

        TheFBO->setEnabled(true);
        TheFBO->getTextures().push_back(TheColorTextureChunk);

        TheFBO->setStorageWidth(TheColorTextureChunk->getImage()->getWidth());
        TheFBO->setStorageHeight(TheColorTextureChunk->getImage()->getHeight());
        
        TheFBO->setSize(0,0,TheColorTextureChunk->getImage()->getWidth()-1, TheColorTextureChunk->getImage()->getHeight()-1);
    endEditCP(TheFBO);
    return TheFBO;
}

int main(int argc, char **argv)
{
    // OSG init
    osgInit(argc,argv);

    // Set up Window
    TutorialWindowEventProducer = createDefaultWindowEventProducer();
    WindowPtr MainWindow = TutorialWindowEventProducer->initWindow();

    TutorialWindowEventProducer->setDisplayCallback(display);
    TutorialWindowEventProducer->setReshapeCallback(reshape);

    TutorialKeyListener TheKeyListener;
    TutorialWindowEventProducer->addKeyListener(&TheKeyListener);

    // Create the SimpleSceneManager helper
    mgr = new SimpleSceneManager;

    // Tell the Manager what to manage
    mgr->setWindow(MainWindow);
	
										
    // Make Torus Node (creates Torus in background of scene)
    NodePtr TorusGeometryNode = makeTorus(.5, 2, 16, 16);

    // Make Main Scene Node and add the Torus
    NodePtr scene = osg::Node::create();
    beginEditCP(scene, Node::CoreFieldMask | Node::ChildrenFieldMask);
        scene->setCore(osg::Group::create());
        scene->addChild(TorusGeometryNode);
    endEditCP(scene, Node::CoreFieldMask | Node::ChildrenFieldMask);

    //Create the Image
    Path ImagePath("./Data/TutorialImage.jpg");
    ImagePtr TheImage = ImageFileHandler::the().read(ImagePath.string().c_str());

    //Create the texture
    TextureChunkPtr TheTextureChunk = TextureChunk::create();
    beginEditCP(TheTextureChunk);
        TheTextureChunk->setImage(TheImage);

        TheTextureChunk->setMinFilter(GL_NEAREST);
        TheTextureChunk->setMagFilter(GL_NEAREST);

        TheTextureChunk->setWrapS(GL_CLAMP_TO_EDGE);
        TheTextureChunk->setWrapR(GL_CLAMP_TO_EDGE);

        TheTextureChunk->setScale(false);
        TheTextureChunk->setNPOTMatrixScale(true);
        
        TheTextureChunk->setEnvMode(GL_REPLACE); 
    endEditCP(TheTextureChunk);

    //Create a Texture Source
    TextureSourceTextureFilterPtr TutorialTextureSourceTextureFilter = TextureSourceTextureFilter::create();
    beginEditCP(TutorialTextureSourceTextureFilter, TextureSourceTextureFilter::TextureFieldMask);
        TutorialTextureSourceTextureFilter->setTexture(TheTextureChunk);
    endEditCP(TutorialTextureSourceTextureFilter, TextureSourceTextureFilter::TextureFieldMask);

    //Create a Grayscale filter
    std::string GrayScaleFragProg = "uniform sampler2D Slot0Texture; void main() { gl_FragColor = vec4(vec3( dot(vec3(0.3,0.59,0.11), texture2D(Slot0Texture,gl_TexCoord[0].st).rgb)), 1.0); }";

    //Create a shader Filter
    ShaderTextureFilterPtr GrayscaleTextureFilter = ShaderTextureFilter::create();
    GrayscaleTextureFilter->attachSource(TutorialTextureSourceTextureFilter, 0, 0);
    GrayscaleTextureFilter->setFragmentSource(GrayScaleFragProg);

    //Create a Color Mult filter
    std::string ColorMultFragProg = "uniform sampler2D Slot0Texture; void main() { gl_FragColor = vec4(vec3(1.0,0.0,0.0) * texture2D(Slot0Texture,gl_TexCoord[0].st).rgb, 1.0); }";

    //Create a shader Filter
    ShaderTextureFilterPtr ColorMultTextureFilter = ShaderTextureFilter::create();
    ColorMultTextureFilter->attachSource(GrayscaleTextureFilter,0,0);
    ColorMultTextureFilter->setFragmentSource(ColorMultFragProg);

    
    ////Create a Blur filter
    //std::string BlurFragProg = "";
    //BlurFragProg += 
    //"uniform sampler2D Slot0Texture;"
    //"void main()"
    //"{"
    //"    vec2 offsets[9];"
    //"    offsets[0] = vec2(-0.000625,0.00111111111);"
    //"    offsets[1] = vec2(0.0,0.00111111111);"
    //"    offsets[2] = vec2(0.000625,0.00111111111);"
    //"    offsets[3] = vec2(-0.000625,0.0);"
    //"    offsets[4] = vec2(0.0,0.0);"
    //"    offsets[5] = vec2(0.0,0.0);"
    //"    offsets[6] = vec2(-0.000625,-0.00111111111);"
    //"    offsets[7] = vec2(0.0,-0.00111111111);"
    //"    offsets[8] = vec2(0.000625,-0.00111111111);"
    //"    vec4 kernel[9];"
    ////"    kernel[0] = vec4(0.0);"
    ////"    kernel[1] = vec4(0.0);"
    ////"    kernel[2] = vec4(0.0);"
    ////"    kernel[3] = vec4(0.0);"
    ////"    kernel[4] = vec4(1.0);"
    ////"    kernel[5] = vec4(0.0);"
    ////"    kernel[6] = vec4(0.0);"
//.........这里部分代码省略.........