C++ (Cpp) createImage3D示例

示例#1

文件： ImageUtils.cpp 项目： lindkvis/osg

osg::Image* createImage3DWithAlpha(const ImageList& imageList,
            int s_maximumImageSize,
            int t_maximumImageSize,
            int r_maximumImageSize,
            bool resizeToPowerOfTwo)
{
    GLenum desiredPixelFormat = 0;
    bool modulateAlphaByLuminance = false;

    unsigned int maxNumComponents = maximimNumOfComponents(imageList);
    if (maxNumComponents==3)
    {
        desiredPixelFormat = GL_RGBA;
        modulateAlphaByLuminance = true;
    }
    
    osg::ref_ptr<osg::Image> image = createImage3D(imageList,
                                        desiredPixelFormat,
                                        s_maximumImageSize,
                                        t_maximumImageSize,
                                        r_maximumImageSize,
                                        resizeToPowerOfTwo);
    if (image.valid())
    {
        if (modulateAlphaByLuminance)
        {
            modifyImage(image.get(), ModulateAlphaByLuminanceOperator());
        }
        return image.release();
    }
    else
    {
        return 0;
    }
}

示例#2

文件： MSAOpenCL.cpp 项目： LeiZou/ofxMSAOpenCL

	OpenCLImage* OpenCL::createImage2D(int width, int height, cl_channel_order imageChannelOrder, cl_channel_type imageChannelDataType, cl_mem_flags memFlags, void *dataPtr, bool blockingWrite) {
		return createImage3D(width, height, 1, imageChannelOrder, imageChannelDataType, memFlags, dataPtr, blockingWrite);
	}