public override ReadPixelBuffer CopyToBuffer(
ImageFormat format,
ImageDatatype dataType,
int rowAlignment)
{
if (format == ImageFormat.StencilIndex)
{
throw new ArgumentException("StencilIndex is not supported by CopyToBuffer. Try DepthStencil instead.", "format");
}
VerifyRowAlignment(rowAlignment);
ReadPixelBufferGL3x pixelBuffer = new ReadPixelBufferGL3x(PixelBufferHint.Stream,
TextureUtility.RequiredSizeInBytes(_description.Width, _description.Height, format, dataType, rowAlignment));
pixelBuffer.Bind();
BindToLastTextureUnit();
GL.PixelStore(PixelStoreParameter.PackAlignment, rowAlignment);
GL.GetTexImage(_target, 0,
TypeConverterGL3x.To(format),
TypeConverterGL3x.To(dataType),
new IntPtr());
return(pixelBuffer);
}
public virtual void CopyFromBuffer(
WritePixelBuffer pixelBuffer,
ImageFormat format,
ImageDatatype dataType)
{
CopyFromBuffer(pixelBuffer, 0, 0, Description.Width, Description.Height, format, dataType, 4);
}
public virtual void CopyFromBuffer(
WritePixelBuffer pixelBuffer,
ImageFormat format,
ImageDatatype dataType)
{
CopyFromBuffer(pixelBuffer, 0, 0, Description.Width, Description.Height, format, dataType, 4);
}
public abstract void CopyFromBuffer(
WritePixelBuffer pixelBuffer,
int xOffset,
int yOffset,
int width,
int height,
ImageFormat format,
ImageDatatype dataType,
int rowAlignment);
public abstract void CopyFromBuffer(
WritePixelBuffer pixelBuffer,
int xOffset,
int yOffset,
int width,
int height,
ImageFormat format,
ImageDatatype dataType,
int rowAlignment);
public override void CopyFromBuffer(
WritePixelBuffer pixelBuffer,
int xOffset,
int yOffset,
int width,
int height,
ImageFormat format,
ImageDatatype dataType,
int rowAlignment)
{
if (pixelBuffer.SizeInBytes < TextureUtility.RequiredSizeInBytes(
width, height, format, dataType, rowAlignment))
{
throw new ArgumentException("Pixel buffer is not big enough for provided width, height, format, and datatype.");
}
if (xOffset < 0)
{
throw new ArgumentOutOfRangeException("xOffset", "xOffset must be greater than or equal to zero.");
}
if (yOffset < 0)
{
throw new ArgumentOutOfRangeException("yOffset", "yOffset must be greater than or equal to zero.");
}
if (xOffset + width > _description.Width)
{
throw new ArgumentOutOfRangeException("xOffset + width must be less than or equal to Description.Width");
}
if (yOffset + height > _description.Height)
{
throw new ArgumentOutOfRangeException("yOffset + height must be less than or equal to Description.Height");
}
VerifyRowAlignment(rowAlignment);
WritePixelBufferGL3x bufferObjectGL = (WritePixelBufferGL3x)pixelBuffer;
bufferObjectGL.Bind();
BindToLastTextureUnit();
GL.PixelStore(PixelStoreParameter.UnpackAlignment, rowAlignment);
GL.TexSubImage2D(_target, 0,
xOffset,
yOffset,
width,
height,
TypeConverterGL3x.To(format),
TypeConverterGL3x.To(dataType),
new IntPtr());
GenerateMipmaps();
}
public static int RequiredSizeInBytes(
int width,
int height,
ImageFormat format,
ImageDatatype dataType,
int rowAlignment)
{
int rowSize = width * NumberOfChannels(format) * SizeInBytes(dataType);
int remainder = (rowSize % rowAlignment);
rowSize += (rowAlignment - remainder) % rowAlignment;
return(rowSize * height);
}
public abstract ReadPixelBuffer CopyToBuffer(
ImageFormat format,
ImageDatatype dataType,
int rowAlignment);
public virtual ReadPixelBuffer CopyToBuffer(ImageFormat format, ImageDatatype dataType)
{
return CopyToBuffer(format, dataType, 4);
}
public static int RequiredSizeInBytes(
int width,
int height,
ImageFormat format,
ImageDatatype dataType,
int rowAlignment)
{
int rowSize = width * NumberOfChannels(format) * SizeInBytes(dataType);
int remainder = (rowSize % rowAlignment);
rowSize += (rowAlignment - remainder) % rowAlignment;
return rowSize * height;
}
public abstract ReadPixelBuffer CopyToBuffer(
ImageFormat format,
ImageDatatype dataType,
int rowAlignment);
public virtual ReadPixelBuffer CopyToBuffer(ImageFormat format, ImageDatatype dataType)
{
return(CopyToBuffer(format, dataType, 4));
}
public override ReadPixelBuffer CopyToBuffer(
ImageFormat format,
ImageDatatype dataType,
int rowAlignment)
{
if (format == ImageFormat.StencilIndex)
{
throw new ArgumentException("StencilIndex is not supported by CopyToBuffer. Try DepthStencil instead.", "format");
}
VerifyRowAlignment(rowAlignment);
ReadPixelBufferGL3x pixelBuffer = new ReadPixelBufferGL3x(PixelBufferHint.Stream,
TextureUtility.RequiredSizeInBytes(_description.Width, _description.Height, format, dataType, rowAlignment));
pixelBuffer.Bind();
BindToLastTextureUnit();
GL.PixelStore(PixelStoreParameter.PackAlignment, rowAlignment);
GL.GetTexImage(_target, 0,
TypeConverterGL3x.To(format),
TypeConverterGL3x.To(dataType),
new IntPtr());
return pixelBuffer;
}
public override void CopyFromBuffer(
WritePixelBuffer pixelBuffer,
int xOffset,
int yOffset,
int width,
int height,
ImageFormat format,
ImageDatatype dataType,
int rowAlignment)
{
if (pixelBuffer.SizeInBytes < TextureUtility.RequiredSizeInBytes(
width, height, format, dataType, rowAlignment))
{
throw new ArgumentException("Pixel buffer is not big enough for provided width, height, format, and datatype.");
}
if (xOffset < 0)
{
throw new ArgumentOutOfRangeException("xOffset", "xOffset must be greater than or equal to zero.");
}
if (yOffset < 0)
{
throw new ArgumentOutOfRangeException("yOffset", "yOffset must be greater than or equal to zero.");
}
if (xOffset + width > _description.Width)
{
throw new ArgumentOutOfRangeException("xOffset + width must be less than or equal to Description.Width");
}
if (yOffset + height > _description.Height)
{
throw new ArgumentOutOfRangeException("yOffset + height must be less than or equal to Description.Height");
}
VerifyRowAlignment(rowAlignment);
WritePixelBufferGL3x bufferObjectGL = (WritePixelBufferGL3x)pixelBuffer;
bufferObjectGL.Bind();
BindToLastTextureUnit();
GL.PixelStore(PixelStoreParameter.UnpackAlignment, rowAlignment);
GL.TexSubImage2D(_target, 0,
xOffset,
yOffset,
width,
height,
TypeConverterGL3x.To(format),
TypeConverterGL3x.To(dataType),
new IntPtr());
GenerateMipmaps();
}
public static PixelType To(ImageDatatype type)
{
switch (type)
{
case ImageDatatype.Byte:
return(PixelType.Byte);
case ImageDatatype.UnsignedByte:
return(PixelType.UnsignedByte);
case ImageDatatype.Short:
return(PixelType.Short);
case ImageDatatype.UnsignedShort:
return(PixelType.UnsignedShort);
case ImageDatatype.Int:
return(PixelType.Int);
case ImageDatatype.UnsignedInt:
return(PixelType.UnsignedInt);
case ImageDatatype.Float:
return(PixelType.Float);
case ImageDatatype.HalfFloat:
return(PixelType.HalfFloat);
case ImageDatatype.UnsignedByte332:
return(PixelType.UnsignedByte332);
case ImageDatatype.UnsignedShort4444:
return(PixelType.UnsignedShort4444);
case ImageDatatype.UnsignedShort5551:
return(PixelType.UnsignedShort5551);
case ImageDatatype.UnsignedInt8888:
return(PixelType.UnsignedInt8888);
case ImageDatatype.UnsignedInt1010102:
return(PixelType.UnsignedInt1010102);
case ImageDatatype.UnsignedByte233Reversed:
return(PixelType.UnsignedByte233Reversed);
case ImageDatatype.UnsignedShort565:
return(PixelType.UnsignedShort565);
case ImageDatatype.UnsignedShort565Reversed:
return(PixelType.UnsignedShort565Reversed);
case ImageDatatype.UnsignedShort4444Reversed:
return(PixelType.UnsignedShort4444Reversed);
case ImageDatatype.UnsignedShort1555Reversed:
return(PixelType.UnsignedShort1555Reversed);
case ImageDatatype.UnsignedInt8888Reversed:
return(PixelType.UnsignedInt8888Reversed);
case ImageDatatype.UnsignedInt2101010Reversed:
return(PixelType.UnsignedInt2101010Reversed);
case ImageDatatype.UnsignedInt248:
return(PixelType.UnsignedInt248);
case ImageDatatype.UnsignedInt10F11F11FReversed:
return(PixelType.UnsignedInt10F11F11FRev);
case ImageDatatype.UnsignedInt5999Reversed:
return(PixelType.UnsignedInt5999Rev);
case ImageDatatype.Float32UnsignedInt248Reversed:
return(PixelType.Float32UnsignedInt248Rev);
}
throw new ArgumentException("type");
}
public static int SizeInBytes(ImageDatatype dataType)
{
switch (dataType)
{
case ImageDatatype.Byte:
return(1);
case ImageDatatype.UnsignedByte:
return(1);
case ImageDatatype.Short:
return(2);
case ImageDatatype.UnsignedShort:
return(2);
case ImageDatatype.Int:
return(4);
case ImageDatatype.UnsignedInt:
return(4);
case ImageDatatype.Float:
return(4);
case ImageDatatype.HalfFloat:
return(2);
case ImageDatatype.UnsignedByte332:
return(1);
case ImageDatatype.UnsignedShort4444:
return(2);
case ImageDatatype.UnsignedShort5551:
return(2);
case ImageDatatype.UnsignedInt8888:
return(4);
case ImageDatatype.UnsignedInt1010102:
return(4);
case ImageDatatype.UnsignedByte233Reversed:
return(1);
case ImageDatatype.UnsignedShort565:
return(2);
case ImageDatatype.UnsignedShort565Reversed:
return(2);
case ImageDatatype.UnsignedShort4444Reversed:
return(2);
case ImageDatatype.UnsignedShort1555Reversed:
return(2);
case ImageDatatype.UnsignedInt8888Reversed:
return(4);
case ImageDatatype.UnsignedInt2101010Reversed:
return(4);
case ImageDatatype.UnsignedInt248:
return(4);
case ImageDatatype.UnsignedInt10F11F11FReversed:
return(4);
case ImageDatatype.UnsignedInt5999Reversed:
return(4);
case ImageDatatype.Float32UnsignedInt248Reversed:
return(4);
}
throw new ArgumentException("dataType");
}
public static PixelType To(ImageDatatype type)
{
switch (type)
{
case ImageDatatype.Byte:
return PixelType.Byte;
case ImageDatatype.UnsignedByte:
return PixelType.UnsignedByte;
case ImageDatatype.Short:
return PixelType.Short;
case ImageDatatype.UnsignedShort:
return PixelType.UnsignedShort;
case ImageDatatype.Int:
return PixelType.Int;
case ImageDatatype.UnsignedInt:
return PixelType.UnsignedInt;
case ImageDatatype.Float:
return PixelType.Float;
case ImageDatatype.HalfFloat:
return PixelType.HalfFloat;
case ImageDatatype.UnsignedByte332:
return PixelType.UnsignedByte332;
case ImageDatatype.UnsignedShort4444:
return PixelType.UnsignedShort4444;
case ImageDatatype.UnsignedShort5551:
return PixelType.UnsignedShort5551;
case ImageDatatype.UnsignedInt8888:
return PixelType.UnsignedInt8888;
case ImageDatatype.UnsignedInt1010102:
return PixelType.UnsignedInt1010102;
case ImageDatatype.UnsignedByte233Reversed:
return PixelType.UnsignedByte233Reversed;
case ImageDatatype.UnsignedShort565:
return PixelType.UnsignedShort565;
case ImageDatatype.UnsignedShort565Reversed:
return PixelType.UnsignedShort565Reversed;
case ImageDatatype.UnsignedShort4444Reversed:
return PixelType.UnsignedShort4444Reversed;
case ImageDatatype.UnsignedShort1555Reversed:
return PixelType.UnsignedShort1555Reversed;
case ImageDatatype.UnsignedInt8888Reversed:
return PixelType.UnsignedInt8888Reversed;
case ImageDatatype.UnsignedInt2101010Reversed:
return PixelType.UnsignedInt2101010Reversed;
case ImageDatatype.UnsignedInt248:
return PixelType.UnsignedInt248;
case ImageDatatype.UnsignedInt10F11F11FReversed:
return PixelType.UnsignedInt10F11F11FRev;
case ImageDatatype.UnsignedInt5999Reversed:
return PixelType.UnsignedInt5999Rev;
case ImageDatatype.Float32UnsignedInt248Reversed:
return PixelType.Float32UnsignedInt248Rev;
}
throw new ArgumentException("type");
}
public static int SizeInBytes(ImageDatatype dataType)
{
switch (dataType)
{
case ImageDatatype.Byte:
return 1;
case ImageDatatype.UnsignedByte:
return 1;
case ImageDatatype.Short:
return 2;
case ImageDatatype.UnsignedShort:
return 2;
case ImageDatatype.Int:
return 4;
case ImageDatatype.UnsignedInt:
return 4;
case ImageDatatype.Float:
return 4;
case ImageDatatype.HalfFloat:
return 2;
case ImageDatatype.UnsignedByte332:
return 1;
case ImageDatatype.UnsignedShort4444:
return 2;
case ImageDatatype.UnsignedShort5551:
return 2;
case ImageDatatype.UnsignedInt8888:
return 4;
case ImageDatatype.UnsignedInt1010102:
return 4;
case ImageDatatype.UnsignedByte233Reversed:
return 1;
case ImageDatatype.UnsignedShort565:
return 2;
case ImageDatatype.UnsignedShort565Reversed:
return 2;
case ImageDatatype.UnsignedShort4444Reversed:
return 2;
case ImageDatatype.UnsignedShort1555Reversed:
return 2;
case ImageDatatype.UnsignedInt8888Reversed:
return 4;
case ImageDatatype.UnsignedInt2101010Reversed:
return 4;
case ImageDatatype.UnsignedInt248:
return 4;
case ImageDatatype.UnsignedInt10F11F11FReversed:
return 4;
case ImageDatatype.UnsignedInt5999Reversed:
return 4;
case ImageDatatype.Float32UnsignedInt248Reversed:
return 4;
}
throw new ArgumentException("dataType");
}
