示例#1
0
CubeMap::CubeMap(const std::string& prefix, Object3D* parent, SceneGraph::DrawableGroup3D<>* group): Object3D(parent), SceneGraph::Drawable3D<>(this, group) {
    CubeMapResourceManager* resourceManager = CubeMapResourceManager::instance();

    /* Cube mesh */
    if(!(cube = resourceManager->get<Mesh>("cube"))) {
        Mesh* mesh = new Mesh;
        Buffer* buffer = new Buffer;
        Buffer* indexBuffer = new Buffer;

        Trade::MeshData3D cubeData = Primitives::Cube::solid();
        MeshTools::flipFaceWinding(*cubeData.indices());
        MeshTools::compressIndices(mesh, indexBuffer, Buffer::Usage::StaticDraw, *cubeData.indices());
        MeshTools::interleave(mesh, buffer, Buffer::Usage::StaticDraw, *cubeData.positions(0));
        mesh->setPrimitive(cubeData.primitive())
            ->addVertexBuffer(buffer, 0, CubeMapShader::Position());

        resourceManager->set("cube-buffer", buffer, ResourceDataState::Final, ResourcePolicy::Resident);
        resourceManager->set("cube-index-buffer", indexBuffer, ResourceDataState::Final, ResourcePolicy::Resident);
        resourceManager->set(cube.key(), mesh, ResourceDataState::Final, ResourcePolicy::Resident);
    }

    /* Cube map texture */
    if(!(texture = resourceManager->get<CubeMapTexture>("texture"))) {
        CubeMapTexture* cubeMap = new CubeMapTexture;

        cubeMap->setWrapping(CubeMapTexture::Wrapping::ClampToEdge)
            ->setMagnificationFilter(CubeMapTexture::Filter::Linear)
            ->setMinificationFilter(CubeMapTexture::Filter::Linear, CubeMapTexture::Mipmap::Linear);

        Resource<Trade::AbstractImporter> importer = resourceManager->get<Trade::AbstractImporter>("tga-importer");

        /* Configure texture storage using size of first image */
        importer->openFile(prefix + "+x.tga");
        Trade::ImageData2D* image = importer->image2D(0);
        Vector2i size = image->size();
        cubeMap->setStorage(Math::log2(size.min())+1, CubeMapTexture::InternalFormat::RGB8, size);
        cubeMap->setSubImage(CubeMapTexture::PositiveX, 0, {}, image);
        delete image;

        importer->openFile(prefix + "-x.tga");
        image = importer->image2D(0);
        cubeMap->setSubImage(CubeMapTexture::NegativeX, 0, {}, image);
        delete image;

        importer->openFile(prefix + "+y.tga");
        image = importer->image2D(0);
        cubeMap->setSubImage(CubeMapTexture::PositiveY, 0, {}, image);
        delete image;

        importer->openFile(prefix + "-y.tga");
        image = importer->image2D(0);
        cubeMap->setSubImage(CubeMapTexture::NegativeY, 0, {}, image);
        delete image;

        importer->openFile(prefix + "+z.tga");
        image = importer->image2D(0);
        cubeMap->setSubImage(CubeMapTexture::PositiveZ, 0, {}, image);
        delete image;

        importer->openFile(prefix + "-z.tga");
        image = importer->image2D(0);
        cubeMap->setSubImage(CubeMapTexture::NegativeZ, 0, {}, image);
        delete image;

        cubeMap->generateMipmap();

        resourceManager->set(texture.key(), cubeMap, ResourceDataState::Final, ResourcePolicy::Manual);
    }

    /* Shader */
    if(!(shader = resourceManager->get<AbstractShaderProgram, CubeMapShader>("shader")))
        resourceManager->set<AbstractShaderProgram>(shader.key(), new CubeMapShader, ResourceDataState::Final, ResourcePolicy::Manual);
}
示例#2
0
CubeMap::CubeMap(const std::string& prefix, Object3D* parent, SceneGraph::DrawableGroup3D* group): Object3D(parent), SceneGraph::Drawable3D(*this, group) {
    CubeMapResourceManager& resourceManager = CubeMapResourceManager::instance();

    /* Cube mesh */
    if(!(_cube = resourceManager.get<GL::Mesh>("cube"))) {
        Trade::MeshData3D cubeData = Primitives::cubeSolid();
        MeshTools::flipFaceWinding(cubeData.indices());

        GL::Buffer* buffer = new GL::Buffer;
        buffer->setData(MeshTools::interleave(cubeData.positions(0)), GL::BufferUsage::StaticDraw);

        Containers::Array<char> indexData;
        MeshIndexType indexType;
        UnsignedInt indexStart, indexEnd;
        std::tie(indexData, indexType, indexStart, indexEnd) = MeshTools::compressIndices(cubeData.indices());

        GL::Buffer* indexBuffer = new GL::Buffer;
        indexBuffer->setData(indexData, GL::BufferUsage::StaticDraw);

        GL::Mesh* mesh = new GL::Mesh;
        mesh->setPrimitive(cubeData.primitive())
            .setCount(cubeData.indices().size())
            .addVertexBuffer(*buffer, 0, CubeMapShader::Position{})
            .setIndexBuffer(*indexBuffer, 0, indexType, indexStart, indexEnd);

        resourceManager.set("cube-buffer", buffer, ResourceDataState::Final, ResourcePolicy::Resident)
            .set("cube-index-buffer", indexBuffer, ResourceDataState::Final, ResourcePolicy::Resident)
            .set(_cube.key(), mesh, ResourceDataState::Final, ResourcePolicy::Resident);
    }

    /* Cube map texture */
    if(!(_texture = resourceManager.get<GL::CubeMapTexture>("texture"))) {
        GL::CubeMapTexture* cubeMap = new GL::CubeMapTexture;

        cubeMap->setWrapping(GL::SamplerWrapping::ClampToEdge)
            .setMagnificationFilter(GL::SamplerFilter::Linear)
            .setMinificationFilter(GL::SamplerFilter::Linear, GL::SamplerMipmap::Linear);

        Resource<Trade::AbstractImporter> importer = resourceManager.get<Trade::AbstractImporter>("jpeg-importer");

        /* Configure texture storage using size of first image */
        importer->openFile(prefix + "+x.jpg");
        Containers::Optional<Trade::ImageData2D> image = importer->image2D(0);
        CORRADE_INTERNAL_ASSERT(image);
        Vector2i size = image->size();
        cubeMap->setStorage(Math::log2(size.min())+1, GL::TextureFormat::RGB8, size)
            .setSubImage(GL::CubeMapCoordinate::PositiveX, 0, {}, *image);

        importer->openFile(prefix + "-x.jpg");
        CORRADE_INTERNAL_ASSERT_OUTPUT(image = importer->image2D(0));
        cubeMap->setSubImage(GL::CubeMapCoordinate::NegativeX, 0, {}, *image);

        importer->openFile(prefix + "+y.jpg");
        CORRADE_INTERNAL_ASSERT_OUTPUT(image = importer->image2D(0));
        cubeMap->setSubImage(GL::CubeMapCoordinate::PositiveY, 0, {}, *image);

        importer->openFile(prefix + "-y.jpg");
        CORRADE_INTERNAL_ASSERT_OUTPUT(image = importer->image2D(0));
        cubeMap->setSubImage(GL::CubeMapCoordinate::NegativeY, 0, {}, *image);

        importer->openFile(prefix + "+z.jpg");
        CORRADE_INTERNAL_ASSERT_OUTPUT(image = importer->image2D(0));
        cubeMap->setSubImage(GL::CubeMapCoordinate::PositiveZ, 0, {}, *image);

        importer->openFile(prefix + "-z.jpg");
        CORRADE_INTERNAL_ASSERT_OUTPUT(image = importer->image2D(0));
        cubeMap->setSubImage(GL::CubeMapCoordinate::NegativeZ, 0, {}, *image);

        cubeMap->generateMipmap();

        resourceManager.set(_texture.key(), cubeMap, ResourceDataState::Final, ResourcePolicy::Manual);
    }

    /* Shader */
    if(!(_shader = resourceManager.get<GL::AbstractShaderProgram, CubeMapShader>("shader")))
        resourceManager.set<GL::AbstractShaderProgram>(_shader.key(), new CubeMapShader, ResourceDataState::Final, ResourcePolicy::Manual);
}