protected void BlitToMemory(BasicBox srcBox, PixelBox dst, BufferResources srcBufferResources, D3D9.Device d3d9Device)
{
// Decide on pixel format of temp surface
PixelFormat tmpFormat = Format;
if (D3D9Helper.ConvertEnum(dst.Format) != D3D9.Format.Unknown)
{
tmpFormat = dst.Format;
}
if (srcBufferResources.Surface != null)
{
Debug.Assert(srcBox.Depth == 1 && dst.Depth == 1);
var srcDesc = srcBufferResources.Surface.Description;
var temppool = D3D9.Pool.Scratch;
// if we're going to try to use GetRenderTargetData, need to use system mem pool
var tryGetRenderTargetData = false;
if (((srcDesc.Usage & D3D9.Usage.RenderTarget) != 0) && (srcBox.Width == dst.Width) &&
(srcBox.Height == dst.Height) && (srcBox.Width == Width) && (srcBox.Height == Height) &&
(Format == tmpFormat))
{
tryGetRenderTargetData = true;
temppool = D3D9.Pool.SystemMemory;
}
// Create temp texture
var tmp = new D3D9.Texture(d3d9Device, dst.Width, dst.Height, 1, // 1 mip level ie topmost, generate no mipmaps
0, D3D9Helper.ConvertEnum(tmpFormat), temppool);
var surface = tmp.GetSurfaceLevel(0);
// Copy texture to this temp surface
var srcRect = ToD3DRectangle(srcBox);
var destRect = ToD3DRectangle(dst);
// Get the real temp surface format
var dstDesc = surface.Description;
tmpFormat = D3D9Helper.ConvertEnum(dstDesc.Format);
// Use fast GetRenderTargetData if we are in its usage conditions
var fastLoadSuccess = false;
if (tryGetRenderTargetData)
{
var result = d3d9Device.GetRenderTargetData(srcBufferResources.Surface, surface);
fastLoadSuccess = result.Success;
}
if (!fastLoadSuccess)
{
var res = D3D9.Surface.FromSurface(surface, srcBufferResources.Surface, D3D9.Filter.Default, 0, srcRect, destRect);
if (res.Failure)
{
surface.SafeDispose();
tmp.SafeDispose();
throw new AxiomException("D3D9.Surface.FromSurface failed in D3D9HardwarePixelBuffer.BlitToMemory");
}
}
// Lock temp surface and copy it to memory
var lrect = surface.LockRectangle(D3D9.LockFlags.ReadOnly);
// Copy it
var locked = new PixelBox(dst.Width, dst.Height, dst.Depth, tmpFormat);
FromD3DLock(locked, lrect);
PixelConverter.BulkPixelConversion(locked, dst);
surface.UnlockRectangle();
// Release temporary surface and texture
surface.SafeDispose();
tmp.SafeDispose();
}
else if (srcBufferResources.Volume != null)
{
// Create temp texture
var tmp = new D3D9.VolumeTexture(d3d9Device, dst.Width, dst.Height, dst.Depth, 0, 0,
D3D9Helper.ConvertEnum(tmpFormat), D3D9.Pool.Scratch);
var surface = tmp.GetVolumeLevel(0);
// Volume
var ddestBox = ToD3DBoxExtent(dst);
var dsrcBox = ToD3DBox(srcBox);
var res = D3D9.Volume.FromVolume(surface, srcBufferResources.Volume, D3D9.Filter.Default, 0, dsrcBox, ddestBox);
if (res.Failure)
{
surface.SafeDispose();
tmp.SafeDispose();
throw new AxiomException("D3D9.Surface.FromVolume failed in D3D9HardwarePixelBuffer.BlitToMemory");
}
// Lock temp surface and copy it to memory
var lbox = surface.LockBox(D3D9.LockFlags.ReadOnly); // Filled in by D3D
// Copy it
var locked = new PixelBox(dst.Width, dst.Height, dst.Depth, tmpFormat);
FromD3DLock(locked, lbox);
PixelConverter.BulkPixelConversion(locked, dst);
surface.UnlockBox();
// Release temporary surface and texture
surface.SafeDispose();
tmp.SafeDispose();
}
}
protected void BlitToMemory( BasicBox srcBox, PixelBox dst, BufferResources srcBufferResources, D3D9.Device d3d9Device )
{
// Decide on pixel format of temp surface
PixelFormat tmpFormat = Format;
if ( D3D9Helper.ConvertEnum( dst.Format ) != D3D9.Format.Unknown )
{
tmpFormat = dst.Format;
}
if ( srcBufferResources.Surface != null )
{
Debug.Assert( srcBox.Depth == 1 && dst.Depth == 1 );
var srcDesc = srcBufferResources.Surface.Description;
var temppool = D3D9.Pool.Scratch;
// if we're going to try to use GetRenderTargetData, need to use system mem pool
var tryGetRenderTargetData = false;
if ( ( ( srcDesc.Usage & D3D9.Usage.RenderTarget ) != 0 ) && ( srcBox.Width == dst.Width ) &&
( srcBox.Height == dst.Height ) && ( srcBox.Width == Width ) && ( srcBox.Height == Height ) &&
( Format == tmpFormat ) )
{
tryGetRenderTargetData = true;
temppool = D3D9.Pool.SystemMemory;
}
// Create temp texture
var tmp = new D3D9.Texture( d3d9Device, dst.Width, dst.Height, 1, // 1 mip level ie topmost, generate no mipmaps
0, D3D9Helper.ConvertEnum( tmpFormat ), temppool );
var surface = tmp.GetSurfaceLevel( 0 );
// Copy texture to this temp surface
var srcRect = ToD3DRectangle( srcBox );
var destRect = ToD3DRectangle( dst );
// Get the real temp surface format
var dstDesc = surface.Description;
tmpFormat = D3D9Helper.ConvertEnum( dstDesc.Format );
// Use fast GetRenderTargetData if we are in its usage conditions
var fastLoadSuccess = false;
if ( tryGetRenderTargetData )
{
var result = d3d9Device.GetRenderTargetData( srcBufferResources.Surface, surface );
fastLoadSuccess = result.Success;
}
if ( !fastLoadSuccess )
{
var res = D3D9.Surface.FromSurface( surface, srcBufferResources.Surface, D3D9.Filter.Default, 0, srcRect, destRect );
if ( res.Failure )
{
surface.SafeDispose();
tmp.SafeDispose();
throw new AxiomException( "D3D9.Surface.FromSurface failed in D3D9HardwarePixelBuffer.BlitToMemory" );
}
}
// Lock temp surface and copy it to memory
var lrect = surface.LockRectangle( D3D9.LockFlags.ReadOnly );
// Copy it
var locked = new PixelBox( dst.Width, dst.Height, dst.Depth, tmpFormat );
FromD3DLock( locked, lrect );
PixelConverter.BulkPixelConversion( locked, dst );
surface.UnlockRectangle();
// Release temporary surface and texture
surface.SafeDispose();
tmp.SafeDispose();
}
else if ( srcBufferResources.Volume != null )
{
// Create temp texture
var tmp = new D3D9.VolumeTexture( d3d9Device, dst.Width, dst.Height, dst.Depth, 0, 0,
D3D9Helper.ConvertEnum( tmpFormat ), D3D9.Pool.Scratch );
var surface = tmp.GetVolumeLevel( 0 );
// Volume
var ddestBox = ToD3DBoxExtent( dst );
var dsrcBox = ToD3DBox( srcBox );
var res = D3D9.Volume.FromVolume( surface, srcBufferResources.Volume, D3D9.Filter.Default, 0, dsrcBox, ddestBox );
if ( res.Failure )
{
surface.SafeDispose();
tmp.SafeDispose();
throw new AxiomException( "D3D9.Surface.FromVolume failed in D3D9HardwarePixelBuffer.BlitToMemory" );
}
// Lock temp surface and copy it to memory
var lbox = surface.LockBox( D3D9.LockFlags.ReadOnly ); // Filled in by D3D
// Copy it
var locked = new PixelBox( dst.Width, dst.Height, dst.Depth, tmpFormat );
FromD3DLock( locked, lbox );
PixelConverter.BulkPixelConversion( locked, dst );
surface.UnlockBox();
// Release temporary surface and texture
surface.SafeDispose();
tmp.SafeDispose();
}
}
protected override void dispose( bool disposeManagedResources )
{
if ( !IsDisposed )
{
if ( disposeManagedResources )
{
this.NormalTexture.SafeDispose();
this.NormalTexture = null;
this.CubeTexture.SafeDispose();
this.CubeTexture = null;
this.VolumeTexture.SafeDispose();
this.VolumeTexture = null;
this.BaseTexture.SafeDispose();
this.BaseTexture = null;
this.FSAASurface.SafeDispose();
this.FSAASurface = null;
}
}
base.dispose( disposeManagedResources );
}
