| public static GetGLOriginFormat ( PixelFormat fmt ) : OpenTK.Graphics.ES11.All | ||
| fmt | PixelFormat | |
| return | OpenTK.Graphics.ES11.All | |
protected static void BuildMipmaps(PixelBox data)
{
int width = 0;
int height = 0;
int logW = 0;
int logH = 0;
int level = 0;
PixelBox scaled = data;
scaled.Data = data.Data;
scaled.Left = data.Left;
scaled.Right = data.Right;
scaled.Top = data.Top;
scaled.Bottom = data.Bottom;
scaled.Front = data.Front;
scaled.Back = data.Back;
All format = GLESPixelUtil.GetGLOriginFormat(data.Format);
All dataType = GLESPixelUtil.GetGLOriginDataType(data.Format);
width = data.Width;
height = data.Height;
logW = ComputeLog(width);
logH = ComputeLog(height);
level = (logW > logH ? logW : logH);
for (int mip = 0; mip <= level; mip++)
{
format = GLESPixelUtil.GetGLOriginFormat(scaled.Format);
dataType = GLESPixelUtil.GetGLOriginDataType(scaled.Format);
OpenGL.TexImage2D(All.Texture2D, mip, (int)format, width, height, 0, format, dataType, scaled.Data);
GLESConfig.GlCheckError(null);
if (mip != 0)
{
scaled.Data = IntPtr.Zero;
}
if (width > 1)
{
width = width / 2;
}
if (height > 1)
{
height = height / 2;
}
int sizeInBytes = PixelUtil.GetMemorySize(width, height, 1, data.Format);
scaled = new PixelBox(width, height, 1, data.Format);
var dataarr = new byte[sizeInBytes];
scaled.Data = Memory.PinObject(dataarr);
Image.Scale(data, scaled, ImageFilter.Linear);
}
}
/// <summary>
/// </summary>
/// <param name="src"> </param>
/// <param name="dstBox"> </param>
public override void BlitFromMemory(PixelBox src, Media.BasicBox dstBox)
{
if (!this._buffer.Contains(dstBox))
{
throw new ArgumentOutOfRangeException("Destination box out of range, GLESHardwarePixelBuffer.BlitToMemory");
}
PixelBox scaled;
if (src.Width != dstBox.Width || src.Height != dstBox.Height || src.Depth != dstBox.Depth)
{
LogManager.Instance.Write("[GLESHardwarePixelBuffer] Scale to destination size.");
// Scale to destination size. Use DevIL and not iluScale because ILU screws up for
// floating point textures and cannot cope with 3D images.
// This also does pixel format conversion if needed
AllocateBuffer();
scaled = this._buffer.GetSubVolume(dstBox);
Image.Scale(src, scaled, ImageFilter.Bilinear);
}
else if ((src.Format != Format) || ((GLESPixelUtil.GetGLOriginFormat(src.Format) == 0) && (src.Format != PixelFormat.R8G8B8)))
{
LogManager.Instance.Write("[GLESHardwarePixelBuffer] Extents match, but format is not accepted as valid source format for GL.");
LogManager.Instance.Write("[GLESHardwarePixelBuffer] Source.Format = {0}, Format = {1}, GLOriginFormat = {2}", src.Format, Format, GLESPixelUtil.GetGLOriginFormat(src.Format));
// Extents match, but format is not accepted as valid source format for GL
// do conversion in temporary buffer
AllocateBuffer();
scaled = this._buffer.GetSubVolume(dstBox);
PixelConverter.BulkPixelConversion(src, scaled);
}
else
{
LogManager.Instance.Write("[GLESHardwarePixelBuffer] No scaling or conversion needed.");
scaled = src;
if (src.Format == PixelFormat.R8G8B8)
{
scaled.Format = PixelFormat.R8G8B8;
PixelConverter.BulkPixelConversion(src, scaled);
}
// No scaling or conversion needed
// Set extents for upload
scaled.Left = dstBox.Left;
scaled.Right = dstBox.Right;
scaled.Top = dstBox.Top;
scaled.Bottom = dstBox.Bottom;
scaled.Front = dstBox.Front;
scaled.Back = dstBox.Back;
}
Upload(scaled, dstBox);
FreeBuffer();
}
/// <summary>
/// </summary>
/// <param name="data"> </param>
/// <param name="dest"> </param>
protected override void Upload(PixelBox data, BasicBox dest)
{
OpenGL.BindTexture(this._target, this._textureId);
GLESConfig.GlCheckError(this);
if (PixelUtil.IsCompressed(data.Format))
{
if (data.Format != Format || !data.IsConsecutive)
{
throw new AxiomException("Compressed images must be consecutive, in the source format");
}
if (data.Format != Format || !data.IsConsecutive)
{
throw new AxiomException("Compressed images must be consecutive, in the source format.");
}
All format = GLESPixelUtil.GetClosestGLInternalFormat(Format);
// Data must be consecutive and at beginning of buffer as PixelStorei not allowed
// for compressed formats
if (dest.Left == 0 && dest.Top == 0)
{
OpenGL.CompressedTexImage2D(All.Texture2D, this._level, format, dest.Width, dest.Height, 0, data.ConsecutiveSize, data.Data);
}
else
{
OpenGL.CompressedTexSubImage2D(All.Texture2D, this._level, dest.Left, dest.Top, dest.Width, dest.Height, format, data.ConsecutiveSize, data.Data);
}
GLESConfig.GlCheckError(this);
}
else if (this._softwareMipmap)
{
if (data.Width != data.RowPitch)
{
//TODO
throw new AxiomException("Unsupported Texture format!");
}
if (data.Height * data.Width != data.SlicePitch)
{
//TODO
throw new AxiomException("Unsupported Texture format!");
}
OpenGL.PixelStore(All.UnpackAlignment, 1);
GLESConfig.GlCheckError(this);
BuildMipmaps(data);
}
else
{
if (data.Width != data.RowPitch)
{
//TODO
throw new AxiomException("Unsupported Texture format!");
}
if (data.Height * data.Width != data.SlicePitch)
{
//TODO
throw new AxiomException("Unsupported Texture format!");
}
if (((data.Width * PixelUtil.GetNumElemBytes(data.Format)) & 3) != 0)
{
// Standard alignment of 4 is not right
OpenGL.PixelStore(All.UnpackAlignment, 1);
GLESConfig.GlCheckError(this);
}
All form = GLESPixelUtil.GetGLOriginFormat(data.Format);
All pix = GLESPixelUtil.GetGLOriginDataType(data.Format);
GLESConfig.GlCheckError(this);
GL.TexSubImage2D(this._faceTarget, this._level, dest.Left, dest.Top, dest.Width, dest.Height, GLESPixelUtil.GetGLOriginFormat(data.Format), GLESPixelUtil.GetGLOriginDataType(data.Format), data.Data);
GLESConfig.GlCheckError(this);
}
OpenGL.PixelStore(All.UnpackAlignment, 4);
GLESConfig.GlCheckError(this);
}
/// <summary>
/// </summary>
/// <param name="srcBox"> </param>
/// <param name="dst"> </param>
public override void BlitToMemory(BasicBox srcBox, PixelBox dst)
{
if (!this._buffer.Contains(srcBox))
{
throw new ArgumentOutOfRangeException("source boux out of range");
}
if (srcBox.Left == 0 && srcBox.Right == Width && srcBox.Top == 0 && srcBox.Bottom == Height && srcBox.Front == 0 && srcBox.Back == Depth && dst.Width == Width && dst.Height == Height && dst.Depth == Depth && GLESPixelUtil.GetGLOriginFormat(dst.Format) != 0)
{
// The direct case: the user wants the entire texture in a format supported by GL
// so we don't need an intermediate buffer
Download(dst);
}
else
{
// Use buffer for intermediate copy
AllocateBuffer();
//download entire buffer
Download(this._buffer);
if (srcBox.Width != dst.Width || srcBox.Height != dst.Height || srcBox.Depth != dst.Depth)
{
// we need scaling
Image.Scale(this._buffer.GetSubVolume(srcBox), dst, ImageFilter.Bilinear);
}
else
{
// Just copy the bit that we need
PixelConverter.BulkPixelConversion(this._buffer.GetSubVolume(srcBox), dst);
}
FreeBuffer();
}
}
