public override void UpdateSurface(CommandList commandList, Texture texture)
{
OculusOvr.SetQuadLayerParams(OverlayPtr, ref Position, ref Rotation, ref SurfaceSize, FollowHeadRotation);
var index = OculusOvr.GetCurrentQuadLayerTargetIndex(ovrSession, OverlayPtr);
commandList.Copy(texture, textures[index]);
}
public override void Commit(CommandList commandList, Texture renderFrame)
{
var index = OculusOvr.GetCurrentTargetIndex(ovrSession);
commandList.Copy(renderFrame, textures[index]);
overlayPtrs = overlays.Where(x => x.Enabled).Select(x => x.OverlayPtr).ToArray();
OculusOvr.CommitFrame(ovrSession, overlayPtrs.Length, overlayPtrs);
}
public override void EndDraw(CommandList commandList, bool present)
{
}
/// <summary>
/// Copies the content an array of data on CPU memory to this buffer into GPU memory.
/// </summary>
/// <typeparam name="TData">The type of the T data.</typeparam>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="fromData">The data to copy from.</param>
/// <param name="offsetInBytes">The offset in bytes to write to.</param>
/// <exception cref="System.ArgumentException"></exception>
/// <remarks>
/// See the unmanaged documentation about Map/UnMap for usage and restrictions.
/// </remarks>
public unsafe void SetData <TData>(CommandList commandList, TData[] fromData, int offsetInBytes = 0) where TData : struct
{
SetData(commandList, new DataPointer(Interop.Fixed(fromData), (fromData.Length * Utilities.SizeOf <TData>())), offsetInBytes);
}
public override void BeginDraw(CommandList commandList)
{
// Backbuffer needs to be cleared
backbuffer.IsInitialized = false;
}
/// <summary>
/// Draws a quad. The effect must have been applied before calling this method with pixel shader having the signature float2:TEXCOORD.
/// </summary>
/// <param name="texture"></param>
public void Draw(CommandList commandList)
{
commandList.SetVertexBuffer(0, sharedData.VertexBuffer.Buffer, sharedData.VertexBuffer.Offset, sharedData.VertexBuffer.Stride);
commandList.Draw(QuadCount);
}
/// <summary>
/// Copies the content of this buffer from GPU memory to an array of data on CPU memory using a specific staging resource.
/// </summary>
/// <typeparam name="TData">The type of the T data.</typeparam>
/// <param name="stagingTexture">The staging buffer used to transfer the buffer.</param>
/// <param name="toData">To data.</param>
/// <exception cref="System.ArgumentException">When strides is different from optimal strides, and TData is not the same size as the pixel format, or Width * Height != toData.Length</exception>
/// <remarks>
/// This method is only working when called from the main thread that is accessing the main <see cref="GraphicsDevice"/>.
/// </remarks>
public unsafe void GetData <TData>(CommandList commandList, Buffer stagingTexture, TData[] toData) where TData : struct
{
GetData(commandList, stagingTexture, new DataPointer(Interop.Fixed(toData), toData.Length * Utilities.SizeOf <TData>()));
}
private void InitializePostFeatures()
{
// Create the main command list
InternalMainCommandList = new CommandList(this);
}
public override void BeginDraw(CommandList commandList)
{
}
internal void Apply(CommandList commandList, PipelineState previousPipeline)
{
var nativeDeviceContext = commandList.NativeDeviceContext;
if (rootSignature != previousPipeline.rootSignature)
{
//rootSignature.Apply
}
if (effectBytecode != previousPipeline.effectBytecode)
{
if (computeShader != previousPipeline.computeShader)
{
nativeDeviceContext.ComputeShader.Set(computeShader);
}
if (vertexShader != previousPipeline.vertexShader)
{
nativeDeviceContext.VertexShader.Set(vertexShader);
}
if (pixelShader != previousPipeline.pixelShader)
{
nativeDeviceContext.PixelShader.Set(pixelShader);
}
if (hullShader != previousPipeline.hullShader)
{
nativeDeviceContext.HullShader.Set(hullShader);
}
if (domainShader != previousPipeline.domainShader)
{
nativeDeviceContext.DomainShader.Set(domainShader);
}
if (geometryShader != previousPipeline.geometryShader)
{
nativeDeviceContext.GeometryShader.Set(geometryShader);
}
}
if (blendState != previousPipeline.blendState || sampleMask != previousPipeline.sampleMask)
{
nativeDeviceContext.OutputMerger.SetBlendState(blendState, nativeDeviceContext.OutputMerger.BlendFactor, sampleMask);
}
if (rasterizerState != previousPipeline.rasterizerState)
{
nativeDeviceContext.Rasterizer.State = rasterizerState;
}
if (depthStencilState != previousPipeline.depthStencilState)
{
nativeDeviceContext.OutputMerger.DepthStencilState = depthStencilState;
}
if (inputLayout != previousPipeline.inputLayout)
{
nativeDeviceContext.InputAssembler.InputLayout = inputLayout;
}
if (primitiveTopology != previousPipeline.primitiveTopology)
{
nativeDeviceContext.InputAssembler.PrimitiveTopology = primitiveTopology;
}
}
private void ForEachGlyph <T>(CommandList commandList, ref StringProxy text, ref Vector2 requestedFontSize, GlyphAction <T> action, ref T parameters,
TextAlignment scanOrder, TextVerticalAlignment vertAlign, bool updateGpuResources, Vector2?textBoxSize = null, float lineSpaceAdjustment = 0f)
{
float rawYSpacing = GetTotalLineSpacing(requestedFontSize.Y);
float yStart, ySpacing = rawYSpacing + lineSpaceAdjustment;
if (textBoxSize.HasValue && vertAlign != TextVerticalAlignment.Top)
{
int extraLines = text.LineCount - 1;
float lineHeight = rawYSpacing + extraLines * ySpacing;
switch (vertAlign)
{
default:
case TextVerticalAlignment.Center:
yStart = textBoxSize.Value.Y * 0.5f - (lineHeight * 0.5f);
break;
case TextVerticalAlignment.Bottom:
yStart = textBoxSize.Value.Y - lineHeight;
break;
}
}
else
{
yStart = 0f;
}
// prepare color tag stack, if needed
Stack <Color4> colorstack = null;
if (scanOrder == TextAlignment.Left)
{
// scan the whole text only one time following the text letter order
ForGlyph(commandList, ref text, ref requestedFontSize, action, ref parameters, 0, text.Length, updateGpuResources, ref colorstack, 0f, yStart, vertAlign, ySpacing);
}
else
{
// scan the text line by line incrementing y start position
// measure the whole string in order to be able to determine xStart
var wholeSize = textBoxSize ?? MeasureString(ref text, ref requestedFontSize);
// scan the text line by line
var startIndex = 0;
var endIndex = FindCariageReturn(ref text, 0);
while (startIndex < text.Length)
{
// measure the size of the current line
var lineSize = Vector2.Zero;
ForGlyph(commandList, ref text, ref requestedFontSize, MeasureStringGlyph, ref lineSize, startIndex, endIndex, updateGpuResources, ref colorstack, 0f, 0f, vertAlign, ySpacing, true);
// Determine the start position of the line along the x axis
// We round this value to the closest integer to force alignment of all characters to the same pixels
// Otherwise the starting offset can fall just in between two pixels and due to float imprecision
// some characters can be aligned to the pixel before and others to the pixel after, resulting in gaps and character overlapping
var xStart = (scanOrder == TextAlignment.Center) ? (wholeSize.X - lineSize.X) / 2 : wholeSize.X - lineSize.X;
xStart = (float)Math.Round(xStart);
// scan the line
ForGlyph(commandList, ref text, ref requestedFontSize, action, ref parameters, startIndex, endIndex, updateGpuResources, ref colorstack, xStart, yStart, vertAlign, ySpacing);
// update variable before going to next line
yStart += ySpacing;
startIndex = endIndex + 1;
endIndex = FindCariageReturn(ref text, startIndex);
}
}
}
/// <summary>
/// Return the glyph associated to provided character at the given size.
/// </summary>
/// <param name="commandList">The command list in case we upload gpu resources</param>
/// <param name="character">The character we want the glyph of</param>
/// <param name="fontSize">The font size in pixel</param>
/// <param name="uploadGpuResources">Indicate if the GPU resource should be uploaded or not.</param>
/// <param name="auxiliaryScaling">If the requested font size isn't available, the closest one is chosen and an auxiliary scaling is returned</param>
/// <returns>The glyph corresponding to the request or null if not existing</returns>
protected virtual Glyph GetGlyph(CommandList commandList, char character, ref Vector2 fontSize, bool uploadGpuResources, out Vector2 auxiliaryScaling)
{
auxiliaryScaling = Vector2.One;
return(null);
}
