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nvPub.go
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nvPub.go
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package main
import (
"fmt"
"os"
"runtime"
//"github.com/dereklstinson/gocudnn/gocu"
"github.com/dereklstinson/gocudnn/gocu"
"github.com/dereklstinson/gocudnn/npp"
"github.com/dereklstinson/gocudnn/nvjpeg"
"github.com/dereklstinson/gocudnn/cudart"
"github.com/dereklstinson/gocunets/devices/gpu/nvidia"
"github.com/dereklstinson/gocunets/devices/gpu/nvidia/jpeg"
"github.com/dereklstinson/gocunets/devices/gpu/nvidia/nvutil"
)
func main() {
runtime.LockOSThread()
fmt.Println("Start")
jpeghandle, err := jpeg.MakeHandle(0, 0)
if err != nil {
panic(err)
}
stream, err := cudart.CreateBlockingStream()
if err != nil {
panic(err)
}
var imode npp.InterpolationMode
nvutilhandle := nvutil.CreateHandle(nil, imode.NN())
decoder, err := jpeg.CreateDecoder(jpeghandle, stream)
if err != nil {
panic(err)
}
allocator, err := cudart.CreateMemManager(stream, 0)
if err != nil {
panic(err)
}
imgs := make([]*jpeg.Image, 3)
for i := 0; i < 3; i++ {
var imgreader *os.File
if i == 0 {
imgreader, err = os.Open("img1.JPG")
if err != nil {
panic(err)
}
}
if i == 1 {
imgreader, err = os.Open("img2.JPG")
if err != nil {
panic(err)
}
}
if i == 2 {
imgreader, err = os.Open("img3.JPG")
if err != nil {
panic(err)
}
}
defer imgreader.Close()
var frmt nvjpeg.OutputFormat
imgs[i], err = decoder.DecodeAIO(imgreader, frmt.RGB(), allocator)
if err != nil {
panic(err)
}
}
hlpers := nvutil.CreateTileHelpers(len(imgs))
var window npp.Size
window.Set(32, 32)
err = nvutil.BatchTileSet(hlpers, imgs, window)
if err != nil {
panic(err)
}
totalelements := nvutil.BatchTileTotalElements(hlpers)
fmt.Println("Total Amount of Elemenets,", totalelements)
tiledspace := new(npp.Uint8)
err = cudart.MallocManagedGlobal(tiledspace, (uint)(totalelements))
if err != nil {
panic(err)
}
err = nvutil.BatchTiles(nvutilhandle, hlpers, tiledspace, stream)
if err != nil {
panic(err)
}
databack := make([]byte, totalelements)
databackptr, err := gocu.MakeGoMem(databack)
if err != nil {
panic(err)
}
err = nvidia.Memcpy(databackptr, tiledspace, (uint)(totalelements))
fmt.Println(databack)
if err != nil {
panic(err)
}
}