public D3DHardwarePixelBuffer( BufferUsage usage )
: base( 0, 0, 0, Axiom.Media.PixelFormat.Unknown, usage, false, false )
{
device = null;
surface = null;
volume = null;
tempSurface = null;
tempVolume = null;
doMipmapGen = false;
HWMipmaps = false;
mipTex = null;
sliceTRT = new List<RenderTexture>();
}
///<summary>
/// Function to set mipmap generation
///</summary>
public void SetMipmapping( bool doMipmapGen, bool HWMipmaps, D3D.BaseTexture mipTex )
{
this.doMipmapGen = doMipmapGen;
this.HWMipmaps = HWMipmaps;
this.mipTex = mipTex;
}
private void CreateVolumeTexture()
{
Debug.Assert( Width > 0 && Height > 0 && Depth > 0 );
if ( ( Usage & TextureUsage.RenderTarget ) != 0 )
{
throw new Exception( "SDX Volume texture can not be declared as render target!!, SDXTexture.CreateVolumeTexture" );
}
D3D.Format sdPF = ChooseD3DFormat();
D3D.Usage usage = 0;
int numMips = ( RequestedMipmapCount == 0x7FFFFFFF ) ? -1 : RequestedMipmapCount + 1;
if ( ( Usage & TextureUsage.Dynamic ) != 0 )
{
if ( CanUseDynamicTextures( usage, D3D.ResourceType.VolumeTexture, sdPF ) )
{
usage |= D3D.Usage.Dynamic;
_dynamicTextures = true;
}
else
{
_dynamicTextures = false;
}
}
// check if mip map volume textures are supported
MipmapsHardwareGenerated = false;
if ( ( _devCaps.TextureCaps & D3D.TextureCaps.MipVolumeMap ) != 0 )
{
if ( ( Usage & TextureUsage.AutoMipMap ) != 0 && RequestedMipmapCount != 0 )
{
MipmapsHardwareGenerated = CanAutoGenMipMaps( usage, D3D.ResourceType.VolumeTexture, sdPF );
if ( MipmapsHardwareGenerated )
{
Usage |= TextureUsage.AutoMipMap;
numMips = 0;
}
}
}
else
{
// no mip map support for this kind of textures :(
MipmapCount = 0;
numMips = 1;
}
// derive the pool to use
DeterminePool();
// create the texture
_volumeTexture = new D3D.VolumeTexture( _device,
Width,
Height,
Depth,
numMips,
usage,
sdPF,
_d3dPool );
// store base reference to the texture
_texture = _volumeTexture;
// set the final texture attributes
D3D.VolumeDescription desc = _volumeTexture.GetLevelDescription( 0 );
SetFinalAttributes( desc.Width, desc.Height, desc.Depth, D3DHelper.ConvertEnum( desc.Format ) );
if ( this.MipmapsHardwareGenerated )
_texture.AutoMipGenerationFilter = GetBestFilterMethod();
}
public override void Unload()
{
base.Unload();
if ( IsLoaded )
{
if ( this._texture != null )
{
this._texture.Dispose();
this._texture = null;
}
if ( this._normTexture != null )
{
LogManager.Instance.Write( "Disposed normal texture {0}", this.Name );
this._normTexture.Dispose();
this._normTexture = null;
}
if ( this._cubeTexture != null )
{
this._cubeTexture.Dispose();
this._cubeTexture = null;
}
if ( this._volumeTexture != null )
{
this._volumeTexture.Dispose();
this._volumeTexture = null;
}
}
}
private void CreateNormalTexture()
{
Debug.Assert( SrcWidth > 0 && SrcHeight > 0 );
// determine which D3D9 pixel format we'll use
D3D.Format d3dPixelFormat = ChooseD3DFormat();
// set the appropriate usage based on the usage of this texture
D3D.Usage d3dUsage = ( ( Usage & TextureUsage.RenderTarget ) == TextureUsage.RenderTarget ) ? D3D.Usage.RenderTarget : D3D.Usage.None;
// how many mips to use?
int numMips = RequestedMipmapCount + 1;
D3D.TextureRequirements texRequire = new D3D.TextureRequirements();
texRequire.Width = SrcWidth;
texRequire.Height = SrcHeight;
// check texture requirements
texRequire.MipLevelCount = numMips;
texRequire.Format = d3dPixelFormat;
//// NOTE: Although texRequire is an out parameter, it actually does
//// use the data passed in with that object.
texRequire = D3D.Texture.CheckRequirements( _device, SrcWidth, SrcHeight, numMips, d3dUsage, d3dPixelFormat, D3D.Pool.Default );
// Save updated texture requirements
numMips = texRequire.MipLevelCount;
d3dPixelFormat = texRequire.Format;
if ( ( Usage & TextureUsage.Dynamic ) == TextureUsage.Dynamic )
{
if ( CanUseDynamicTextures( d3dUsage, D3D.ResourceType.Texture, d3dPixelFormat ) )
{
d3dUsage |= D3D.Usage.Dynamic;
_dynamicTextures = true;
}
else
{
_dynamicTextures = false;
}
}
// check if mip maps are supported on hardware
MipmapsHardwareGenerated = false;
if ( ( _devCaps.TextureCaps & D3D.TextureCaps.MipMap ) == D3D.TextureCaps.MipMap )
{
if ( ( ( Usage & TextureUsage.AutoMipMap ) == TextureUsage.AutoMipMap ) && RequestedMipmapCount > 0 )
{
MipmapsHardwareGenerated = this.CanAutoGenMipMaps( d3dUsage, D3D.ResourceType.Texture, d3dPixelFormat );
if ( MipmapsHardwareGenerated )
{
d3dUsage |= D3D.Usage.AutoGenerateMipMap;
numMips = 0;
}
}
}
else
{
// no mip map support for this kind of texture
MipmapCount = 0;
numMips = 1;
}
// create the texture
_normTexture = new D3D.Texture( _device, SrcWidth, SrcHeight, numMips, d3dUsage, d3dPixelFormat, _d3dPool );
// store base reference to the texture
_texture = _normTexture;
// set the final texture attributes
D3D.SurfaceDescription desc = _normTexture.GetLevelDescription( 0 );
SetFinalAttributes( desc.Width, desc.Height, 1, D3DHelper.ConvertEnum( desc.Format ) );
if ( MipmapsHardwareGenerated )
{
_texture.AutoMipGenerationFilter = GetBestFilterMethod();
}
}
private void CreateCubeTexture()
{
Debug.Assert( SrcWidth > 0 && SrcHeight > 0 );
// use current back buffer format for render textures, else use the one
// defined by this texture format
D3D.Format d3dPixelFormat =
( Usage == TextureUsage.RenderTarget ) ? _bbPixelFormat : ChooseD3DFormat();
// set the appropriate usage based on the usage of this texture
D3D.Usage d3dUsage =
( Usage == TextureUsage.RenderTarget ) ? D3D.Usage.RenderTarget : 0;
// how many mips to use? make sure its at least one
int numMips = ( MipmapCount > 0 ) ? MipmapCount : 1;
if ( ( _devCaps.TextureCaps & D3D.TextureCaps.MipCubeMap ) != D3D.TextureCaps.MipCubeMap )
{
if ( this.CanAutoGenMipMaps( d3dUsage, D3D.ResourceType.CubeTexture, d3dPixelFormat ) )
{
d3dUsage |= D3D.Usage.AutoGenerateMipMap;
numMips = 0;
}
}
else
{
// no mip map support for this kind of texture
MipmapCount = 0;
numMips = 1;
}
// create the cube texture
_cubeTexture = new D3D.CubeTexture(
_device,
SrcWidth,
numMips,
d3dUsage,
d3dPixelFormat,
( Usage == TextureUsage.RenderTarget ) ? D3D.Pool.Default : D3D.Pool.Managed );
// store base reference to the texture
_texture = _cubeTexture;
// set the final texture attributes
D3D.SurfaceDescription desc = _cubeTexture.GetLevelDescription( 0 );
SetFinalAttributes( desc.Width, desc.Height, 1, D3DHelper.ConvertEnum( desc.Format ) );
// store base reference to the texture
_texture = _cubeTexture;
if ( this.MipmapsHardwareGenerated )
_texture.AutoMipGenerationFilter = GetBestFilterMethod();
}
private void LoadVolumeTexture()
{
Debug.Assert( this.TextureType == TextureType.ThreeD );
if ( Name.EndsWith( ".dds" ) )
{
Stream stream = ResourceGroupManager.Instance.OpenResource( Name, Group, true, this );
int numMips = this.RequestedMipmapCount + 1;
// check if mip map volume textures are supported
if ( ( _devCaps.TextureCaps & D3D.TextureCaps.MipVolumeMap ) != D3D.TextureCaps.MipVolumeMap )
{
// no mip map support for this kind of textures :(
this.MipmapCount = 0;
numMips = 1;
}
_d3dPool = ( Usage & TextureUsage.Dynamic ) != 0 ? D3D.Pool.Default : D3D.Pool.Managed;
try
{
// load the cube texture from the image data stream directly
_volumeTexture = D3D.VolumeTexture.FromStream( _device, stream, (int)stream.Length, -1, -1, -1, numMips, D3D.Usage.None, D3D.Format.Unknown, _d3dPool, D3D.Filter.None, D3D.Filter.None, 0 );
}
catch ( Exception ex )
{
FreeInternalResources();
throw new Exception( "Can't create volume texture.", ex );
}
// store off a base reference
_texture = _volumeTexture;
// set src and dest attributes to the same, we can't know
D3D.VolumeDescription desc = _volumeTexture.GetLevelDescription( 0 );
_d3dPool = desc.Pool;
SetSrcAttributes( desc.Width, desc.Height, desc.Depth, D3DHelper.ConvertEnum( desc.Format ) );
SetFinalAttributes( desc.Width, desc.Height, desc.Depth, D3DHelper.ConvertEnum( desc.Format ) );
internalResourcesCreated = true;
stream.Close();
}
else
{
// find & load resource data intro stream to allow resource group changes if required
Stream strm = ResourceGroupManager.Instance.OpenResource( Name, Group, true, this );
int pos = Name.LastIndexOf( "." );
String ext = Name.Substring( pos + 1 );
// Call internal LoadImages, not LoadImage since that's external and
// will determine load status etc again
var image = Image.FromStream( strm, ext );
LoadImages( new Image[] { image } );
image.Dispose();
strm.Close();
}
}
private void LoadCubeTexture()
{
Debug.Assert( this.TextureType == TextureType.CubeMap, "this.TextureType == TextureType.CubeMap" );
if ( Name.EndsWith( ".dds" ) )
{
Stream stream = ResourceGroupManager.Instance.OpenResource( Name, Group, true, this );
int numMips = this.RequestedMipmapCount + 1;
// check if mip map volume textures are supported
if ( ( _devCaps.TextureCaps & D3D.TextureCaps.MipCubeMap ) != D3D.TextureCaps.MipCubeMap )
{
// no mip map support for this kind of textures :(
this.MipmapCount = 0;
numMips = 1;
}
_d3dPool = ( Usage & TextureUsage.Dynamic ) != 0 ? D3D.Pool.Default : D3D.Pool.Managed;
try
{
// load the cube texture from the image data stream directly
_cubeTexture = D3D.CubeTexture.FromStream( _device, stream, (int)stream.Length, numMips, D3D.Usage.None, D3D.Format.Unknown, _d3dPool, D3D.Filter.None, D3D.Filter.None, 0 );
}
catch ( Exception ex )
{
FreeInternalResources();
throw new Exception( "Can't create cube texture.", ex );
}
// store off a base reference
_texture = _cubeTexture;
// set src and dest attributes to the same, we can't know
D3D.SurfaceDescription desc = _cubeTexture.GetLevelDescription( 0 );
_d3dPool = desc.Pool;
SetSrcAttributes( desc.Width, desc.Height, 1, D3DHelper.ConvertEnum( desc.Format ) );
SetFinalAttributes( desc.Width, desc.Height, 1, D3DHelper.ConvertEnum( desc.Format ) );
internalResourcesCreated = true;
stream.Close();
}
else
{
// Load from 6 separate files
// Use Axiom codecs
string[] postfixes = { "_rt", "_lf", "_up", "_dn", "_fr", "_bk" };
List<Image> images = new List<Image>();
int pos = Name.LastIndexOf( "." );
string baseName = Name.Substring( 0, pos );
string ext = Name.Substring( pos + 1 );
for ( int i = 0; i < 6; i++ )
{
string fullName = baseName + postfixes[ i ] + "." + ext;
Stream strm = ResourceGroupManager.Instance.OpenResource( fullName, Group, true, this );
var image = Image.FromStream( strm, ext );
images.Add( image );
strm.Close();
}
LoadImages( images.ToArray() );
}
}
protected override void freeInternalResources()
{
if ( this._texture != null && !_texture.Disposed )
{
this._texture.Dispose();
this._texture = null;
}
if ( this._normTexture != null && !_normTexture.Disposed )
{
this._normTexture.Dispose();
this._normTexture = null;
}
if ( this._cubeTexture != null && !_cubeTexture.Disposed )
{
this._cubeTexture.Dispose();
this._cubeTexture = null;
}
if ( this._volumeTexture != null && !_volumeTexture.Disposed )
{
this._volumeTexture.Dispose();
this._volumeTexture = null;
}
}
