public void Read(BinaryReader reader)
{
Size = reader.ReadUInt32();
HeaderFlags = reader.ReadUInt32();
Height = reader.ReadUInt32();
Width = reader.ReadUInt32();
PitchOrLinearSize = reader.ReadUInt32();
Depth = reader.ReadUInt32();
MipMapCount = reader.ReadUInt32();
Reserved1_0 = reader.ReadUInt32();
Reserved1_1 = reader.ReadUInt32();
Reserved1_2 = reader.ReadUInt32();
Reserved1_3 = reader.ReadUInt32();
Reserved1_4 = reader.ReadUInt32();
Reserved1_5 = reader.ReadUInt32();
Reserved1_6 = reader.ReadUInt32();
Reserved1_7 = reader.ReadUInt32();
Reserved1_8 = reader.ReadUInt32();
Reserved1_9 = reader.ReadUInt32();
Reserved1_10 = reader.ReadUInt32();
PixelFormat = new DdsPixelFormat();
PixelFormat.Read(reader);
SurfaceFlags = reader.ReadUInt32();
CubemapFlags = reader.ReadUInt32();
Reserved2_0 = reader.ReadUInt32();
Reserved2_1 = reader.ReadUInt32();
Reserved2_2 = reader.ReadUInt32();
}
public DdsHeader(DdsSaveConfig config, int width, int height) {
PixelFormat = new DdsPixelFormat(config.FileFormat);
bool isCompressed = config.FileFormat == FileFormat.DXT1
|| config.FileFormat == FileFormat.DXT3
|| config.FileFormat == FileFormat.DXT5;
//
// Compute mip map count..
//
int mipCount = config.GenerateMipMaps ? CountMipMaps(width, height) : 1;
Size = 18 * 4 + PixelFormat.Size + 5 * 4;
Width = (uint)width;
Height = (uint)height;
MipMapCount = mipCount == 1 ? 0 : (uint)mipCount;
HeaderFlags = (uint)(Constants.HeaderFlags.Texture | (isCompressed ? Constants.HeaderFlags.LinearSize : Constants.HeaderFlags.Pitch)
| (mipCount > 1 ? Constants.HeaderFlags.MipMap : Constants.HeaderFlags.None));
SurfaceFlags = (uint)(Constants.SurfaceFlags.Texture | (mipCount > 1 ? Constants.SurfaceFlags.MipMap : Constants.SurfaceFlags.None));
if (isCompressed) {
//
// Compresssed textures have the linear flag set. So pitchOrLinearSize
// needs to contain the entire size of the DXT block.
//
int blockCount = (width + 3) / 4 * ((height + 3) / 4);
int blockSize = config.FileFormat == FileFormat.Unknown ? 8 : 16;
PitchOrLinearSize = (uint)(blockCount * blockSize);
}
else {
//
// Non-compressed textures have the pitch flag set. So pitchOrLinearSize
// needs to contain the row pitch of the main image.
//
int pixelWidth = 0;
switch(config.FileFormat) {
case FileFormat.A8R8G8B8:
case FileFormat.X8R8G8B8:
case FileFormat.A8B8G8R8:
case FileFormat.X8B8G8R8: {
pixelWidth = 4;
break;
}
case FileFormat.R8G8B8: {
pixelWidth = 3;
break;
}
case FileFormat.A1R5G5B5:
case FileFormat.A4R4G4B4:
case FileFormat.R5G6B5: {
pixelWidth = 2;
break;
}
case FileFormat.G8: {
pixelWidth = 1;
break;
}
}
PitchOrLinearSize = (uint)(width * pixelWidth);
}
}
public DdsHeader(DdsSaveConfig config, int width, int height)
{
PixelFormat = new DdsPixelFormat(config.FileFormat);
bool isCompressed = config.FileFormat == FileFormat.DXT1 ||
config.FileFormat == FileFormat.DXT3 ||
config.FileFormat == FileFormat.DXT5;
//
// Compute mip map count..
//
int mipCount = config.GenerateMipMaps ? CountMipMaps(width, height) : 1;
Size = 18 * 4 + PixelFormat.Size + 5 * 4;
Width = (uint)width;
Height = (uint)height;
MipMapCount = mipCount == 1 ? 0 : (uint)mipCount;
HeaderFlags = (uint)(Constants.HeaderFlags.Texture | (isCompressed ? Constants.HeaderFlags.LinearSize : Constants.HeaderFlags.Pitch)
| (mipCount > 1 ? Constants.HeaderFlags.MipMap : Constants.HeaderFlags.None));
SurfaceFlags = (uint)(Constants.SurfaceFlags.Texture | (mipCount > 1 ? Constants.SurfaceFlags.MipMap : Constants.SurfaceFlags.None));
if (isCompressed)
{
//
// Compresssed textures have the linear flag set. So pitchOrLinearSize
// needs to contain the entire size of the DXT block.
//
int blockCount = (width + 3) / 4 * ((height + 3) / 4);
int blockSize = config.FileFormat == FileFormat.Unknown ? 8 : 16;
PitchOrLinearSize = (uint)(blockCount * blockSize);
}
else
{
//
// Non-compressed textures have the pitch flag set. So pitchOrLinearSize
// needs to contain the row pitch of the main image.
//
int pixelWidth = 0;
switch (config.FileFormat)
{
case FileFormat.A8R8G8B8:
case FileFormat.X8R8G8B8:
case FileFormat.A8B8G8R8:
case FileFormat.X8B8G8R8: {
pixelWidth = 4;
break;
}
case FileFormat.R8G8B8: {
pixelWidth = 3;
break;
}
case FileFormat.A1R5G5B5:
case FileFormat.A4R4G4B4:
case FileFormat.R5G6B5: {
pixelWidth = 2;
break;
}
case FileFormat.G8: {
pixelWidth = 1;
break;
}
}
PitchOrLinearSize = (uint)(width * pixelWidth);
}
}
public void Read(BinaryReader reader) {
Size = reader.ReadUInt32();
HeaderFlags = reader.ReadUInt32();
Height = reader.ReadUInt32();
Width = reader.ReadUInt32();
PitchOrLinearSize = reader.ReadUInt32();
Depth = reader.ReadUInt32();
MipMapCount = reader.ReadUInt32();
Reserved1_0 = reader.ReadUInt32();
Reserved1_1 = reader.ReadUInt32();
Reserved1_2 = reader.ReadUInt32();
Reserved1_3 = reader.ReadUInt32();
Reserved1_4 = reader.ReadUInt32();
Reserved1_5 = reader.ReadUInt32();
Reserved1_6 = reader.ReadUInt32();
Reserved1_7 = reader.ReadUInt32();
Reserved1_8 = reader.ReadUInt32();
Reserved1_9 = reader.ReadUInt32();
Reserved1_10 = reader.ReadUInt32();
PixelFormat = new DdsPixelFormat();
PixelFormat.Read(reader);
SurfaceFlags = reader.ReadUInt32();
CubemapFlags = reader.ReadUInt32();
Reserved2_0 = reader.ReadUInt32();
Reserved2_1 = reader.ReadUInt32();
Reserved2_2 = reader.ReadUInt32();
}
