diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/Gustav-Simonsson/go-opencl/cl/image.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/Gustav-Simonsson/go-opencl/cl/image.go | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/Godeps/_workspace/src/github.com/Gustav-Simonsson/go-opencl/cl/image.go b/Godeps/_workspace/src/github.com/Gustav-Simonsson/go-opencl/cl/image.go deleted file mode 100644 index d6a996377..000000000 --- a/Godeps/_workspace/src/github.com/Gustav-Simonsson/go-opencl/cl/image.go +++ /dev/null @@ -1,83 +0,0 @@ -// +build cl12 - -package cl - -// #ifdef __APPLE__ -// #include "OpenCL/opencl.h" -// #else -// #include "cl.h" -// #endif -import "C" -import ( - "image" - "unsafe" -) - -func (ctx *Context) CreateImage(flags MemFlag, imageFormat ImageFormat, imageDesc ImageDescription, data []byte) (*MemObject, error) { - format := imageFormat.toCl() - desc := imageDesc.toCl() - var dataPtr unsafe.Pointer - if data != nil { - dataPtr = unsafe.Pointer(&data[0]) - } - var err C.cl_int - clBuffer := C.clCreateImage(ctx.clContext, C.cl_mem_flags(flags), &format, &desc, dataPtr, &err) - if err != C.CL_SUCCESS { - return nil, toError(err) - } - if clBuffer == nil { - return nil, ErrUnknown - } - return newMemObject(clBuffer, len(data)), nil -} - -func (ctx *Context) CreateImageSimple(flags MemFlag, width, height int, channelOrder ChannelOrder, channelDataType ChannelDataType, data []byte) (*MemObject, error) { - format := ImageFormat{channelOrder, channelDataType} - desc := ImageDescription{ - Type: MemObjectTypeImage2D, - Width: width, - Height: height, - } - return ctx.CreateImage(flags, format, desc, data) -} - -func (ctx *Context) CreateImageFromImage(flags MemFlag, img image.Image) (*MemObject, error) { - switch m := img.(type) { - case *image.Gray: - format := ImageFormat{ChannelOrderIntensity, ChannelDataTypeUNormInt8} - desc := ImageDescription{ - Type: MemObjectTypeImage2D, - Width: m.Bounds().Dx(), - Height: m.Bounds().Dy(), - RowPitch: m.Stride, - } - return ctx.CreateImage(flags, format, desc, m.Pix) - case *image.RGBA: - format := ImageFormat{ChannelOrderRGBA, ChannelDataTypeUNormInt8} - desc := ImageDescription{ - Type: MemObjectTypeImage2D, - Width: m.Bounds().Dx(), - Height: m.Bounds().Dy(), - RowPitch: m.Stride, - } - return ctx.CreateImage(flags, format, desc, m.Pix) - } - - b := img.Bounds() - w := b.Dx() - h := b.Dy() - data := make([]byte, w*h*4) - dataOffset := 0 - for y := 0; y < h; y++ { - for x := 0; x < w; x++ { - c := img.At(x+b.Min.X, y+b.Min.Y) - r, g, b, a := c.RGBA() - data[dataOffset] = uint8(r >> 8) - data[dataOffset+1] = uint8(g >> 8) - data[dataOffset+2] = uint8(b >> 8) - data[dataOffset+3] = uint8(a >> 8) - dataOffset += 4 - } - } - return ctx.CreateImageSimple(flags, w, h, ChannelOrderRGBA, ChannelDataTypeUNormInt8, data) -} |