I am new in opencl.i have an Dell Xps 1645 laptop which has Ati Mobility Radeon HD 4670 graphics card and a intel cpu.i saw that amd's software does not support opencl stuffs for my graphics card but in Khronos website,my video card is seen as opencl supported.So now what do i have to do to start opencl programming in visual studio??? and Can i use amd's software which is for opencl??? and finally Which software tools do i need to start ???