//---------------------------------------------------------------------
public bool RecreateIfDefaultPool(D3D.Device device)
{
if (d3dPool == Pool.Default)
{
// Create the d3d vertex buffer
d3dBuffer = new D3D.VertexBuffer(
typeof(byte),
sizeInBytes,
device,
D3DHelper.ConvertEnum(usage),
VertexFormats.None,
d3dPool);
return(true);
}
return(false);
}
//---------------------------------------------------------------------
public bool RecreateIfDefaultPool(D3D.Device device)
{
if (d3dPool == Pool.Default)
{
Type bufferType = (type == IndexType.Size16) ? typeof(short) : typeof(int);
// Create the Index buffer
d3dBuffer = new IndexBuffer(
bufferType,
//sizeInBytes, // sizeInBytes is wrong, because the D3D API is expecting the number of indices
numIndices,
device,
D3DHelper.ConvertEnum(usage),
d3dPool);
return(true);
}
return(false);
}
//public override Axiom.Core.Texture Create(string name, TextureType type) {
// D3DTexture texture = new D3DTexture(name, device, TextureUsage.Default, type);
// // Handle 32-bit texture settings
// texture.Enable32Bit(is32Bit);
// return texture;
//}
/// <summary>
/// Used to create a blank D3D texture.
/// </summary>
/// <param name="name"></param>
/// <param name="type"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="numMipMaps"></param>
/// <param name="format"></param>
/// <param name="usage"></param>
/// <returns></returns>
//public override Axiom.Core.Texture CreateManual(string name, TextureType type, int width, int height, int numMipMaps, Axiom.Media.PixelFormat format, TextureUsage usage) {
// D3DTexture texture = new D3DTexture(name, device, type, width, height, numMipMaps, format, usage);
// texture.Enable32Bit(is32Bit);
// return texture;
//}
// This ends up just discarding the format passed in; the C# methods don't let you supply
// a "recommended" format. Ah well.
public override Axiom.Media.PixelFormat GetNativeFormat(TextureType ttype, Axiom.Media.PixelFormat format, TextureUsage usage)
{
// Basic filtering
D3D.Format d3dPF = D3DHelper.ConvertEnum(D3DHelper.GetClosestSupported(format));
// Calculate usage
D3D.Usage d3dusage = 0;
D3D.Pool pool = D3D.Pool.Managed;
if ((usage & TextureUsage.RenderTarget) != 0)
{
d3dusage |= D3D.Usage.RenderTarget;
pool = D3D.Pool.Default;
}
if ((usage & TextureUsage.Dynamic) != 0)
{
d3dusage |= D3D.Usage.Dynamic;
pool = D3D.Pool.Default;
}
// Use D3DX to adjust pixel format
switch (ttype)
{
case TextureType.OneD:
case TextureType.TwoD:
TextureRequirements tReqs;
TextureLoader.CheckTextureRequirements(device, d3dusage, pool, out tReqs);
d3dPF = tReqs.Format;
break;
case TextureType.ThreeD:
VolumeTextureRequirements volReqs;
TextureLoader.CheckVolumeTextureRequirements(device, pool, out volReqs);
d3dPF = volReqs.Format;
break;
case TextureType.CubeMap:
CubeTextureRequirements cubeReqs;
TextureLoader.CheckCubeTextureRequirements(device, d3dusage, pool, out cubeReqs);
d3dPF = cubeReqs.Format;
break;
}
;
return(D3DHelper.ConvertEnum(d3dPF));
}
public D3DHardwareVertexBuffer(int vertexSize, int numVertices, BufferUsage usage,
D3D.Device device, bool useSystemMemory, bool useShadowBuffer)
: base(vertexSize, numVertices, usage, useSystemMemory, useShadowBuffer)
{
#if !NO_OGRE_D3D_MANAGE_BUFFERS
d3dPool = useSystemMemory? Pool.SystemMemory :
// If not system mem, use managed pool UNLESS buffer is discardable
// if discardable, keeping the software backing is expensive
((usage & BufferUsage.Discardable) != 0) ? Pool.Default : Pool.Managed;
#else
d3dPool = useSystemMemory ? Pool.SystemMemory : Pool.Default;
#endif
// Create the d3d vertex buffer
d3dBuffer = new D3D.VertexBuffer(device,
sizeInBytes,
D3DHelper.ConvertEnum(usage),
VertexFormats.None,
d3dPool);
}
///<summary>
/// Call this to associate a D3D volume with this pixel buffer
///</summary>
public void Bind(D3D.Device device, D3D.Volume volume, bool update)
{
this.device = device;
this.volume = volume;
D3D.VolumeDescription desc = volume.Description;
width = desc.Width;
height = desc.Height;
depth = desc.Depth;
format = D3DHelper.ConvertEnum(desc.Format);
// Default
rowPitch = width;
slicePitch = height * width;
sizeInBytes = PixelUtil.GetMemorySize(width, height, depth, format);
if (((int)usage & (int)TextureUsage.RenderTarget) != 0)
{
CreateRenderTextures(update);
}
}
public D3DHardwareIndexBuffer(IndexType type, int numIndices, BufferUsage usage,
D3D.Device device, bool useSystemMemory, bool useShadowBuffer)
: base(type, numIndices, usage, useSystemMemory, useShadowBuffer)
{
#if !NO_OGRE_D3D_MANAGE_BUFFERS
d3dPool = useSystemMemory? Pool.SystemMemory :
// If not system mem, use managed pool UNLESS buffer is discardable
// if discardable, keeping the software backing is expensive
((usage & BufferUsage.Discardable) != 0) ? Pool.Default : Pool.Managed;
#else
d3dPool = useSystemMemory ? Pool.SystemMemory : Pool.Default;
#endif
Type bufferType = (type == IndexType.Size16) ? typeof(short) : typeof(int);
// create the buffer
d3dBuffer = new IndexBuffer(
bufferType,
//sizeInBytes, // sizeInBytes is wrong, because the D3D API is expecting the number of indices
numIndices,
device,
D3DHelper.ConvertEnum(usage),
d3dPool);
}
///<summary>
/// @copydoc HardwarePixelBuffer.BlitToMemory
///</summary>
public override void BlitToMemory(BasicBox srcBox, PixelBox dst)
{
// Decide on pixel format of temp surface
PixelFormat tmpFormat = format;
if (D3DHelper.ConvertEnum(dst.Format) == D3D.Format.Unknown)
{
tmpFormat = dst.Format;
}
if (surface != null)
{
Debug.Assert(srcBox.Depth == 1 && dst.Depth == 1);
// Create temp texture
D3D.Texture tmp =
new D3D.Texture(device, dst.Width, dst.Height,
1, // 1 mip level ie topmost, generate no mipmaps
0, D3DHelper.ConvertEnum(tmpFormat),
Pool.Scratch);
D3D.Surface subSurface = tmp.GetSurfaceLevel(0);
// Copy texture to this temp surface
Rectangle destRect, srcRect;
srcRect = ToD3DRectangle(srcBox);
destRect = ToD3DRectangleExtent(dst);
SurfaceLoader.FromSurface(subSurface, destRect, surface, srcRect, Filter.None, 0);
// Lock temp surface and copy it to memory
int pitch; // Filled in by D3D
GraphicsStream data = subSurface.LockRectangle(D3D.LockFlags.ReadOnly, out pitch);
// Copy it
PixelBox locked = new PixelBox(dst.Width, dst.Height, dst.Depth, tmpFormat);
FromD3DLock(locked, pitch, data);
PixelUtil.BulkPixelConversion(locked, dst);
subSurface.UnlockRectangle();
// Release temporary surface and texture
subSurface.Dispose();
tmp.Dispose();
}
else
{
// Create temp texture
D3D.VolumeTexture tmp =
new D3D.VolumeTexture(device, dst.Width, dst.Height, dst.Depth,
0, D3D.Usage.None,
D3DHelper.ConvertEnum(tmpFormat),
Pool.Scratch);
D3D.Volume subVolume = tmp.GetVolumeLevel(0);
// Volume
D3D.Box ddestBox = ToD3DBoxExtent(dst);
D3D.Box dsrcBox = ToD3DBox(srcBox);
VolumeLoader.FromVolume(subVolume, ddestBox, volume, dsrcBox, Filter.None, 0);
// Lock temp surface and copy it to memory
D3D.LockedBox lbox; // Filled in by D3D
GraphicsStream data = subVolume.LockBox(LockFlags.ReadOnly, out lbox);
// Copy it
PixelBox locked = new PixelBox(dst.Width, dst.Height, dst.Depth, tmpFormat);
FromD3DLock(locked, lbox, data);
PixelUtil.BulkPixelConversion(locked, dst);
subVolume.UnlockBox();
// Release temporary surface and texture
subVolume.Dispose();
tmp.Dispose();
}
}
protected void BlitFromMemoryImpl(PixelBox src, BasicBox dstBox)
{
// TODO: This currently does way too many copies. We copy
// from src to a converted buffer (if needed), then from
// converted to a byte array, then into the temporary surface,
// and finally from the temporary surface to the real surface.
PixelBox converted = src;
IntPtr bufPtr = IntPtr.Zero;
GCHandle bufGCHandle = new GCHandle();
// convert to pixelbuffer's native format if necessary
if (D3DHelper.ConvertEnum(src.Format) == D3D.Format.Unknown)
{
int bufSize = PixelUtil.GetMemorySize(src.Width, src.Height, src.Depth, format);
byte[] newBuffer = new byte[bufSize];
bufGCHandle = GCHandle.Alloc(newBuffer, GCHandleType.Pinned);
bufPtr = bufGCHandle.AddrOfPinnedObject();
converted = new PixelBox(src.Width, src.Height, src.Depth, format, bufPtr);
PixelUtil.BulkPixelConversion(src, converted);
}
// int formatBytes = PixelUtil.GetNumElemBytes(converted.Format);
Surface tmpSurface = device.CreateOffscreenPlainSurface(converted.Width, converted.Height, D3DHelper.ConvertEnum(converted.Format), Pool.Scratch);
int pitch;
// Ideally I would be using the Array mechanism here, but that doesn't seem to work
GraphicsStream buf = tmpSurface.LockRectangle(LockFlags.NoSystemLock, out pitch);
buf.Position = 0;
unsafe {
int bufSize = PixelUtil.GetMemorySize(converted.Width, converted.Height, converted.Depth, converted.Format);
byte * srcPtr = (byte *)converted.Data.ToPointer();
byte[] ugh = new byte[bufSize];
for (int i = 0; i < bufSize; ++i)
{
ugh[i] = srcPtr[i];
}
buf.Write(ugh);
}
tmpSurface.UnlockRectangle();
buf.Dispose();
//ImageInformation imageInfo = new ImageInformation();
//imageInfo.Format = D3DHelper.ConvertEnum(converted.Format);
//imageInfo.Width = converted.Width;
//imageInfo.Height = converted.Height;
//imageInfo.Depth = converted.Depth;
if (surface != null)
{
// I'm trying to write to surface using the data in converted
Rectangle srcRect = ToD3DRectangleExtent(converted);
Rectangle destRect = ToD3DRectangle(dstBox);
SurfaceLoader.FromSurface(surface, destRect, tmpSurface, srcRect, Filter.None, 0);
}
else
{
D3D.Box srcBox = ToD3DBoxExtent(converted);
D3D.Box destBox = ToD3DBox(dstBox);
Debug.Assert(false, "Volume textures not yet supported");
// VolumeLoader.FromStream(volume, destBox, converted.Data, converted.RowPitch * converted.SlicePitch * formatBytes, srcBox, Filter.None, 0);
VolumeLoader.FromStream(volume, destBox, buf, srcBox, Filter.None, 0);
}
tmpSurface.Dispose();
// If we allocated a buffer for the temporary conversion, free it here
// If I used bufPtr to store my temporary data while I converted
// it, I need to free it here. This invalidates converted.
// My data has already been copied to tmpSurface and then to the
// real surface.
if (bufGCHandle.IsAllocated)
{
bufGCHandle.Free();
}
if (doMipmapGen)
{
GenMipmaps();
}
}
/// <summary>
///
/// </summary>
/// <param name="offset"></param>
/// <param name="length"></param>
/// <param name="locking"></param>
/// <returns></returns>
protected override IntPtr LockImpl(int offset, int length, BufferLocking locking)
{
D3D.LockFlags d3dLocking = D3DHelper.ConvertEnum(locking, usage);
Microsoft.DirectX.GraphicsStream s = d3dBuffer.Lock(offset, length, d3dLocking);
return(s.InternalData);
}
