/// <summary>
/// Creates a new Cube <see cref="Texture" /> from a initial data..
/// </summary>
/// <typeparam name="T">Type of a pixel data</typeparam>
/// <param name="device">The <see cref="GraphicsDevice" />.</param>
/// <param name="size">The size (in pixels) of the top-level faces of the cube texture.</param>
/// <param name="format">Describes the format to use.</param>
/// <param name="textureData">an array of 6 textures. See remarks</param>
/// <param name="textureFlags">The texture flags.</param>
/// <param name="usage">The usage.</param>
/// <returns>A new instance of Cube <see cref="Texture" /> class.</returns>
/// <exception cref="System.ArgumentException">Invalid texture datas. First dimension must be equal to 6;textureData</exception>
/// <remarks>The first dimension of mipMapTextures describes the number of array (TextureCube Array), the second is the texture data for a particular cube face.</remarks>
public unsafe static Texture NewCube <T>(GraphicsDevice device, int size, PixelFormat format, T[][] textureData, TextureFlags textureFlags = TextureFlags.ShaderResource, GraphicsResourceUsage usage = GraphicsResourceUsage.Immutable) where T : struct
{
if (textureData.Length != 6)
{
throw new ArgumentException("Invalid texture datas. First dimension must be equal to 6", "textureData");
}
var dataBoxes = new DataBox[6];
dataBoxes[0] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[0]));
dataBoxes[1] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[1]));
dataBoxes[2] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[2]));
dataBoxes[3] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[3]));
dataBoxes[4] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[4]));
dataBoxes[5] = GetDataBox(format, size, size, 1, textureData[0], (IntPtr)Interop.Fixed(textureData[5]));
return(new Texture(device).InitializeFrom(TextureDescription.NewCube(size, format, textureFlags, usage), dataBoxes));
}
internal unsafe void UpdateSubresource(GraphicsResource resource, int subResourceIndex, DataBox databox, ResourceRegion region)
{
if (resource == null)
{
throw new ArgumentNullException("resource");
}
NativeDeviceContext.UpdateSubresource(*(SharpDX.DataBox *)Interop.Cast(ref databox), resource.NativeResource, subResourceIndex, *(SharpDX.Direct3D11.ResourceRegion *)Interop.Cast(ref region));
}
internal void UpdateSubresource(GraphicsResource resource, int subResourceIndex, DataBox databox, ResourceRegion region)
{
NullHelper.ToImplement();
}
internal void UpdateSubresource(GraphicsResource resource, int subResourceIndex, DataBox databox, ResourceRegion region)
{
var texture = resource as Texture;
if (texture != null)
{
var width = region.Right - region.Left;
var height = region.Bottom - region.Top;
var depth = region.Back - region.Front;
ResourceDescription resourceDescription;
switch (texture.Dimension)
{
case TextureDimension.Texture1D:
resourceDescription = ResourceDescription.Texture1D((SharpDX.DXGI.Format)texture.Format, width, 1, 1);
break;
case TextureDimension.Texture2D:
case TextureDimension.TextureCube:
resourceDescription = ResourceDescription.Texture2D((SharpDX.DXGI.Format)texture.Format, width, height, 1, 1);
break;
case TextureDimension.Texture3D:
resourceDescription = ResourceDescription.Texture3D((SharpDX.DXGI.Format)texture.Format, width, height, (short)depth, 1);
break;
default:
throw new ArgumentOutOfRangeException();
}
// TODO D3D12 allocate in upload heap (placed resources?)
var nativeUploadTexture = NativeDevice.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None,
resourceDescription,
ResourceStates.GenericRead);
GraphicsDevice.TemporaryResources.Enqueue(new KeyValuePair <long, Pageable>(GraphicsDevice.NextFenceValue, nativeUploadTexture));
nativeUploadTexture.WriteToSubresource(0, null, databox.DataPointer, databox.RowPitch, databox.SlicePitch);
var parentResource = resource.ParentResource ?? resource;
// Trigger copy
NativeCommandList.ResourceBarrierTransition(resource.NativeResource, parentResource.NativeResourceState, ResourceStates.CopyDestination);
NativeCommandList.CopyTextureRegion(new TextureCopyLocation(resource.NativeResource, subResourceIndex), region.Left, region.Top, region.Front, new TextureCopyLocation(nativeUploadTexture, 0), null);
NativeCommandList.ResourceBarrierTransition(resource.NativeResource, ResourceStates.CopyDestination, parentResource.NativeResourceState);
}
else
{
var buffer = resource as Buffer;
if (buffer != null)
{
SharpDX.Direct3D12.Resource uploadResource;
int uploadOffset;
var uploadSize = region.Right - region.Left;
var uploadMemory = GraphicsDevice.AllocateUploadBuffer(region.Right - region.Left, out uploadResource, out uploadOffset);
Utilities.CopyMemory(uploadMemory, databox.DataPointer, uploadSize);
NativeCommandList.ResourceBarrierTransition(resource.NativeResource, resource.NativeResourceState, ResourceStates.CopyDestination);
NativeCommandList.CopyBufferRegion(resource.NativeResource, region.Left, uploadResource, uploadOffset, uploadSize);
NativeCommandList.ResourceBarrierTransition(resource.NativeResource, ResourceStates.CopyDestination, resource.NativeResourceState);
}
else
{
throw new InvalidOperationException("Unknown resource type");
}
}
}
internal void UpdateSubresource(GraphicsResource resource, int subResourceIndex, DataBox databox)
{
ResourceRegion region;
var texture = resource as Texture;
if (texture != null)
{
region = new ResourceRegion(0, 0, 0, texture.Width, texture.Height, texture.Depth);
}
else
{
var buffer = resource as Buffer;
if (buffer != null)
{
region = new ResourceRegion(0, 0, 0, buffer.SizeInBytes, 1, 1);
}
else
{
throw new InvalidOperationException("Unknown resource type");
}
}
UpdateSubresource(resource, subResourceIndex, databox, region);
}
internal void UpdateSubresource(GraphicsResource resource, int subResourceIndex, DataBox databox, ResourceRegion region)
{
var texture = resource as Texture;
if (texture != null)
{
if (texture.Dimension != TextureDimension.Texture2D)
{
throw new NotImplementedException();
}
var width = region.Right - region.Left;
var height = region.Bottom - region.Top;
// TODO D3D12 allocate in upload heap (placed resources?)
var nativeUploadTexture = NativeDevice.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None,
ResourceDescription.Texture2D((SharpDX.DXGI.Format)texture.Format, width, height),
ResourceStates.GenericRead);
GraphicsDevice.TemporaryResources.Enqueue(new KeyValuePair <long, Pageable>(GraphicsDevice.NextFenceValue, nativeUploadTexture));
nativeUploadTexture.WriteToSubresource(0, null, databox.DataPointer, databox.RowPitch, databox.SlicePitch);
var parentResource = resource.ParentResource ?? resource;
// Trigger copy
NativeCommandList.ResourceBarrierTransition(resource.NativeResource, parentResource.NativeResourceState, ResourceStates.CopyDestination);
NativeCommandList.CopyTextureRegion(new TextureCopyLocation(resource.NativeResource, subResourceIndex), region.Left, region.Top, region.Front, new TextureCopyLocation(nativeUploadTexture, 0), null);
NativeCommandList.ResourceBarrierTransition(resource.NativeResource, ResourceStates.CopyDestination, parentResource.NativeResourceState);
}
else
{
throw new NotImplementedException();
}
}
internal void UpdateSubresource(GraphicsResource resource, int subResourceIndex, DataBox databox)
{
throw new NotImplementedException();
}
private void InitializeFromImpl(DataBox[] dataBoxes = null)
{
if (ParentTexture != null)
{
TextureId = ParentTexture.TextureId;
// copy parameters
TextureInternalFormat = ParentTexture.TextureInternalFormat;
TextureFormat = ParentTexture.TextureFormat;
TextureType = ParentTexture.TextureType;
TextureTarget = ParentTexture.TextureTarget;
DepthPitch = ParentTexture.DepthPitch;
RowPitch = ParentTexture.RowPitch;
IsDepthBuffer = ParentTexture.IsDepthBuffer;
HasStencil = ParentTexture.HasStencil;
IsRenderbuffer = ParentTexture.IsRenderbuffer;
stencilId = ParentTexture.StencilId;
pixelBufferObjectId = ParentTexture.PixelBufferObjectId;
}
if (TextureId == 0)
{
switch (Dimension)
{
case TextureDimension.Texture1D:
#if !SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
if (ArraySize > 1)
{
throw new PlatformNotSupportedException("Texture1DArray is not implemented under OpenGL");
}
TextureTarget = TextureTarget.Texture1D;
break;
#endif
case TextureDimension.Texture2D:
TextureTarget = ArraySize > 1 ? TextureTarget.Texture2DArray : TextureTarget.Texture2D;
break;
case TextureDimension.Texture3D:
TextureTarget = TextureTarget.Texture3D;
break;
case TextureDimension.TextureCube:
if (ArraySize > 6)
{
throw new PlatformNotSupportedException("TextureCubeArray is not implemented under OpenGL");
}
TextureTarget = TextureTarget.TextureCubeMap;
break;
default:
throw new ArgumentOutOfRangeException();
}
bool compressed;
OpenGLConvertExtensions.ConvertPixelFormat(GraphicsDevice, ref textureDescription.Format, out TextureInternalFormat, out TextureFormat, out TextureType, out TexturePixelSize, out compressed);
DepthPitch = Description.Width * Description.Height * TexturePixelSize;
RowPitch = Description.Width * TexturePixelSize;
if ((Description.Flags & TextureFlags.DepthStencil) != 0)
{
IsDepthBuffer = true;
HasStencil = InternalHasStencil(Format);
}
else
{
IsDepthBuffer = false;
HasStencil = false;
}
if ((Description.Flags & TextureFlagsCustomResourceId) != 0)
{
return;
}
using (var openglContext = GraphicsDevice.UseOpenGLCreationContext())
{
// Depth texture are render buffer for now
// TODO: enable switch
if ((Description.Flags & TextureFlags.DepthStencil) != 0 && (Description.Flags & TextureFlags.ShaderResource) == 0)
{
RenderbufferStorage depth, stencil;
ConvertDepthFormat(GraphicsDevice, Description.Format, out depth, out stencil);
GL.GenRenderbuffers(1, out TextureId);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, TextureId);
GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, depth, Width, Height);
if (stencil != 0)
{
// separate stencil
GL.GenRenderbuffers(1, out stencilId);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, stencilId);
GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, stencil, Width, Height);
}
else if (HasStencil)
{
// depth+stencil in a single texture
stencilId = TextureId;
}
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, 0);
IsRenderbuffer = true;
return;
}
IsRenderbuffer = false;
TextureTotalSize = ComputeBufferTotalSize();
if (Description.Usage == GraphicsResourceUsage.Staging)
{
InitializeStagingPixelBufferObject(dataBoxes);
return;
}
GL.GenTextures(1, out TextureId);
GL.BindTexture(TextureTarget, TextureId);
// No filtering on depth buffer
if ((Description.Flags & (TextureFlags.RenderTarget | TextureFlags.DepthStencil)) != TextureFlags.None)
{
GL.TexParameter(TextureTarget, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GL.TexParameter(TextureTarget, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
BoundSamplerState = GraphicsDevice.SamplerStates.PointClamp;
if (HasStencil)
{
// depth+stencil in a single texture
stencilId = TextureId;
}
}
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
else if (Description.MipLevels <= 1)
{
GL.TexParameter(TextureTarget, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
}
#endif
#if SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
if (!GraphicsDevice.IsOpenGLES2)
#endif
{
GL.TexParameter(TextureTarget, TextureParameterName.TextureBaseLevel, 0);
GL.TexParameter(TextureTarget, TextureParameterName.TextureMaxLevel, Description.MipLevels - 1);
}
if (Description.MipLevels == 0)
{
throw new NotImplementedException();
}
var setSize = TextureSetSize(TextureTarget);
for (var arrayIndex = 0; arrayIndex < Description.ArraySize; ++arrayIndex)
{
var offsetArray = arrayIndex * Description.MipLevels;
for (int i = 0; i < Description.MipLevels; ++i)
{
DataBox dataBox;
var width = CalculateMipSize(Description.Width, i);
var height = CalculateMipSize(Description.Height, i);
var depth = CalculateMipSize(Description.Depth, i);
if (dataBoxes != null && i < dataBoxes.Length)
{
if (setSize > 1 && !compressed && dataBoxes[i].RowPitch != width * TexturePixelSize)
{
throw new NotSupportedException("Can't upload texture with pitch in glTexImage2D/3D.");
}
// Might be possible, need to check API better.
dataBox = dataBoxes[offsetArray + i];
}
else
{
dataBox = new DataBox();
}
switch (TextureTarget)
{
#if !SILICONSTUDIO_XENKO_GRAPHICS_API_OPENGLES
case TextureTarget.Texture1D:
if (compressed)
{
GL.CompressedTexImage1D(TextureTarget, i, TextureInternalFormat, width, 0, dataBox.SlicePitch, dataBox.DataPointer);
}
else
{
GL.TexImage1D(TextureTarget, i, TextureInternalFormat, width, 0, TextureFormat, TextureType, dataBox.DataPointer);
}
break;
#endif
case TextureTarget.Texture2D:
case TextureTarget.TextureCubeMap:
{
var dataSetTarget = GetTextureTargetForDataSet2D(TextureTarget, arrayIndex);
if (compressed)
{
GL.CompressedTexImage2D(dataSetTarget, i, (CompressedInternalFormat2D)TextureInternalFormat, width, height, 0, dataBox.SlicePitch, dataBox.DataPointer);
}
else
{
GL.TexImage2D(dataSetTarget, i, (TextureComponentCount2D)TextureInternalFormat, width, height, 0, TextureFormat, TextureType, dataBox.DataPointer);
}
break;
}
case TextureTarget.Texture3D:
{
if (compressed)
{
GL.CompressedTexImage3D((TextureTarget3d)TextureTarget, i, (CompressedInternalFormat3D)TextureInternalFormat, width, height, depth, 0, dataBox.SlicePitch, dataBox.DataPointer);
}
else
{
GL.TexImage3D((TextureTarget3d)TextureTarget, i, (TextureComponentCount3D)TextureInternalFormat, width, height, depth, 0, TextureFormat, TextureType, dataBox.DataPointer);
}
break;
}
case TextureTarget.Texture2DArray:
{
// We create all array slices at once, but upload them one by one
if (arrayIndex == 0)
{
if (compressed)
{
GL.CompressedTexImage3D((TextureTarget3d)TextureTarget, i, (CompressedInternalFormat3D)TextureInternalFormat, width, height, ArraySize, 0, 0, IntPtr.Zero);
}
else
{
GL.TexImage3D((TextureTarget3d)TextureTarget, i, (TextureComponentCount3D)TextureInternalFormat, width, height, ArraySize, 0, TextureFormat, TextureType, IntPtr.Zero);
}
}
if (dataBox.DataPointer != IntPtr.Zero)
{
if (compressed)
{
GL.CompressedTexSubImage3D((TextureTarget3d)TextureTarget, i, 0, 0, arrayIndex, width, height, 1, TextureFormat, dataBox.SlicePitch, dataBox.DataPointer);
}
else
{
GL.TexSubImage3D((TextureTarget3d)TextureTarget, i, 0, 0, arrayIndex, width, height, 1, TextureFormat, TextureType, dataBox.DataPointer);
}
}
break;
}
}
}
}
GL.BindTexture(TextureTarget, 0);
if (openglContext.CommandList != null)
{
// If we messed up with some states of a command list, mark dirty states
openglContext.CommandList.boundShaderResourceViews[openglContext.CommandList.activeTexture] = null;
}
}
GraphicsDevice.TextureMemory += (Depth * DepthStride) / (float)0x100000;
}
}
