static uint[] decodeRgbIcon(byte[] payload, CSize size)
{
// https://devblogs.microsoft.com/oldnewthing/20101019-00/?p=12503
int totalPixels = size.cx * size.cy;
int maskLineDwords = (size.cx + 31) / 32;
int maskStrideBytes = maskLineDwords * 4;
int bytesMask = size.cy * maskStrideBytes;
int cbHeader = Marshal.SizeOf <BITMAPINFOHEADER>();
if (payload.Length != (totalPixels * 4) + bytesMask + cbHeader)
{
throw new ArgumentException("Size doesn't match");
}
uint[] result = new uint[totalPixels];
// Copy the RGB values
payload.AsSpan()
.Slice(cbHeader, totalPixels * 4)
.castSpan <uint>()
.CopyTo(result.AsSpan());
// Apply the alpha mask, it's 1 bit / pixel.
ReadOnlySpan <byte> mask = payload.AsSpan().Slice(cbHeader + totalPixels * 4);
applyMask(result.AsSpan(), size, mask, maskStrideBytes);
return(result);
}
public void setWindowSize(CSize size)
{
// ConsoleLogger.logDebug( "sCursorPosition.setWindowSize: {0}", size );
positionMulX = 2.0 / size.cx;
positionMulY = 2.0 / size.cy;
updateSize();
}
internal static void applyMask(Span <uint> pixels, CSize size, ReadOnlySpan <byte> mask, int maskStrideBytes)
{
if (0 == (size.cx % 8))
{
if (0 == (size.cx % 32))
{
// No padding whatsoever
int destOffset = 0;
for (int i = 0; i < mask.Length; i++, destOffset += 8)
{
applyMask(pixels, destOffset, mask[i]);
}
}
else
{
// There is padding, but it's whole count of bytes
int maskBytesPerLine = size.cx / 8;
int sourceOffset = 0;
int destOffset = 0;
for (int y = 0; y < size.cy; y++, sourceOffset += maskStrideBytes)
{
for (int x = 0; x < maskBytesPerLine; x++, destOffset += 8)
{
applyMask(pixels, destOffset, mask[sourceOffset + x]);
}
}
}
}
else
{
// There is padding, and the last few pixels have less than 8 payload bits per line.
throw new NotImplementedException("The library only supports cursors with width being a multiple of 8px");
}
}
protected void drawText(string text, Font font, ref Rect rectangle, SolidColorData foreground, SolidColorData background)
{
getCurrentTransform(out Matrix3x2 tform, out float pixel);
var transformedRect = tform.transformRectangle(ref rectangle);
if (!DrawDevice.clipSpaceRectangle.intersects(ref transformedRect) || foreground.brushType == eBrushType.Null)
{
return;
}
flushIfNeeded(1);
IntMatrix? intMtx;
CPoint startingPoint = transformToPhysicalPixels(rectangle.topLeft, out intMtx);
CSize size = (rectangle.size / pixel).roundToInt().asSize;
CRect textRect = new CRect(startingPoint, size);
eTextRendering trs = textRenderingStyle(intMtx);
Order o = drawMeshes.addText(ref currentZ, text, font, ref textRect, foreground.paletteIndex, trs);
bool opaqueBackground = background.brushType == eBrushType.Opaque;
passFlags |= eRenderPassFlags.Transparent;
calls.add(sDrawCall.drawText(o, ref tform, foreground.paletteIndex,
background.paletteIndex, opaqueBackground,
pixel, trs));
}
void switchToTrueFullScreen(iDiligentWindow window)
{
if (window.windowState == eShowWindow.TrueFullscreen)
{
// Already in true full screen mode. Switch to maximized borderless.
window.moveWindow(eShowWindow.Fullscreen);
return;
}
iGraphicsEngine graphicsEngine = Render.graphicsEngine;
using (var gpuEnum = graphicsEngine.createGpuEnumerator())
using (var gpu = gpuEnum.openDefaultAdapter())
using (var connector = gpu.openDefaultConnector())
{
var format = context.swapChainFormats.color;
if (format == Diligent.Graphics.TextureFormat.Unknown)
{
throw new ApplicationException("The swap chain was not created");
}
connector.setSurfaceFormat(format);
// Debug code below
// Console.WriteLine( "Following is available:\n{0}", string.Join( "\n", connector.getAllModes() ) );
// connector.enumModes();
CSize trueFullScreenRez = new CSize(1920, 1080);
if (!connector.findVideoMode(out var mode, ref trueFullScreenRez))
{
throw new ApplicationException("The default monitor doesn't support FullHD");
}
window.fullScreen(connector, ref mode);
}
}
private void btnSave_Click(object sender, EventArgs e)
{
CSize oCSize = Getformdata();
CSizeBO oCSizeBO = new CSizeBO();
CResult oresult = new CResult();
if (validatedata())
{
if (txtSizeid.Text.Trim() != string.Empty)
{
if (DialogResult.OK == MessageBox.Show("Are you wanted to upadte " + txtSIZECode.Text + " ?", "Confirmation!", MessageBoxButtons.OKCancel))
{
oresult = oCSizeBO.Update(oCSize);
}
}
else
{
if (!IsUpdateMode)
{
oresult = oCSizeBO.Create(oCSize);
}
}
if (oresult.IsSuccess)
{
LoadSizeName();
ClearFormData();
}
else
{
MessageBox.Show("Not Saved" + oresult.ErrMsg + "");
}
}
}
public static int find(MkvMediaFile file, TrackEntry track, CSize size)
{
ulong trackNum = track.trackNumber;
int maxFound = 0;
for (int i = 0; i < 166; i++)
{
Cluster firstCluster = file.segment.cluster[i].loadCluster(file.stream);
int extraBytes = track.extraBytesCount();
int clusterMax = 0;
foreach (var b in firstCluster.allBlobs())
{
if (b.trackNumber != trackNum)
{
continue;
}
// Don't bother decoding NALUs. We don't need precise number, just a reasonable upper estimate.
clusterMax = Math.Max(clusterMax, (int)b.length + extraBytes);
}
Console.WriteLine("{0}\t{1}", i, clusterMax);
maxFound = Math.Max(maxFound, clusterMax);
}
return(maxFound);
}
public CRect(CPoint topLeft, CSize size)
{
left = topLeft.x;
top = topLeft.y;
right = topLeft.x + size.cx;
bottom = topLeft.y + size.cy;
}
/// <summary>Create rectangle in units from size in pixels, the top left corner being [ 0, 0 ]</summary>
public Rect fullRectUnits(CSize sizePixels)
{
Vector2 bottomRight = new Vector2(sizePixels.cx, sizePixels.cy);
bottomRight *= mulUnits;
return(new Rect(Vector2.Zero, bottomRight));
}
IBuffer getTextCBuffer()
{
if (null != m_staticCBufferForText)
{
return(m_staticCBufferForText);
}
ConstantsBufferText data = new ConstantsBufferText();
data.pixelSizeAndDpiScaling = pixelSizeAndDpiScaling;
DrawDevice dev = (DrawDevice)context.drawDevice;
CSize atlasSize = dev.fontTextures.grayscale.layerSize;
data.textureAtlasSize.X = atlasSize.cx;
data.textureAtlasSize.Y = atlasSize.cy;
atlasSize = dev.fontTextures.cleartype.layerSize;
data.textureAtlasSize.Z = atlasSize.cx;
data.textureAtlasSize.W = atlasSize.cy;
IBuffer ib;
using (var device = context.renderContext.device)
ib = device.CreateImmutableUniformBuffer(ref data, "Text cbuffer");
m_staticCBufferForText = ib;
return(ib);
}
protected override void render(ITextureView swapChainRgb, ITextureView swapChainDepthStencil)
{
iDrawDevice dev = context.drawDevice;
Rect rect = new Rect(Vector2.Zero, dev.viewportSize);
rect = rect.deflate(32, 32);
using (var dc = dev.begin(swapChainRgb, swapChainDepthStencil, backgroundColor))
{
Matrix3x2 imageRotation = rotationMatrix(dev.viewportSize, -0.11f);
Matrix3x2 trans = Matrix3x2.CreateTranslation(0, -70);
dc.transform.push(imageRotation * trans);
dc.drawText("Hello World", comicSans.font, rect, black, background);
dc.transform.pop();
// rect.top += dev.dpiScaling.mulUnits * comicSans.font.lineHeightPixels + 12;
rect.top += dev.dpiScaling.mulUnits * comicSans.font.lineHeightPixels + 24;
CSize lipsumSize = dc.measureText(lipsum, rect.width, defaultSerif.font);
dc.fillRectangle(pixelsRectangle(dev, rect.topLeft, lipsumSize), white);
dc.drawText(lipsum, defaultSerif.font, rect, black, white); return;
CSize consoleSize = dc.measureConsoleText(lipsum, 80, 14);
// Apparently, when FreeType measures fonts it allocates height on the top for diacritic combining characters.
Vector2 paddingTopLeft = new Vector2(12, 2);
Vector2 paddingBottomRight = new Vector2(12, 12);
Vector2 size = consoleSize.asFloat * dev.dpiScaling.mulUnits;
Rect consoleRect = new Rect(rect.topLeft, rect.topLeft + size + paddingTopLeft + paddingBottomRight);
dc.fillRectangle(consoleRect, black);
dc.drawConsoleText(lipsum, 80, 14, rect.topLeft + paddingTopLeft, green, black);
}
}
internal VideoTextureDesc(TextureFormat lumaFormat, TextureFormat chromaFormat, CSize lumaSize, CSize chromaSize)
{
this.lumaFormat = lumaFormat;
this.chromaFormat = chromaFormat;
this.lumaSize = lumaSize;
this.chromaSize = chromaSize;
}
public MappedOutput(int idx, int length, IntPtr ptr, int stride, CSize size)
{
bufferIndex = idx;
mappedLength = length;
mappedAddress = ptr;
this.stride = stride;
this.size = size;
}
static Rect computeDefaultClipRectangle(CSize size)
{
float marginPixels = Math.Min(size.cx / 8, size.cy / 8);
Vector2 sizeFloats = size.asFloat;
Vector2 marginClipSpaceUnits = (2.0f * sizeFloats) / sizeFloats;
return(new Rect(-Vector2.One - marginClipSpaceUnits, Vector2.One + marginClipSpaceUnits));
}
static byte[] decodeMonochromeIcon(byte[] payload, CSize size)
{
int totalPixels = size.cx * size.cy;
int maskLineDwords = (size.cx + 31) / 32;
int maskStrideBytes = maskLineDwords * 4;
int bytesMask = size.cy * maskStrideBytes;
int cbHeader = Marshal.SizeOf <BITMAPINFOHEADER>();
// 8 is the color table, immediately after the header
if (payload.Length != cbHeader + (bytesMask * 2) + 8)
{
throw new ArgumentException("Size doesn't match");
}
byte[] image = new byte[totalPixels];
Span <byte> palette = stackalloc byte[4];
{
Span <uint> colorTable = stackalloc uint[2];
payload.AsSpan()
.Slice(cbHeader, 8)
.castSpan <uint>()
.CopyTo(colorTable);
ePalette pal = getPalette(colorTable);
decodePalette(pal, palette);
}
ReadOnlySpan <byte> bits = payload.AsSpan()
.Slice(cbHeader + 8, bytesMask);
ReadOnlySpan <byte> mask = payload.AsSpan()
.Slice(cbHeader + 8 + bytesMask, bytesMask);
if (0 == (size.cx % 32))
{
// No padding whatsoever
decodeMonochrome(image.AsSpan(), bits, mask, palette, totalPixels);
}
else
{
// There is some padding
Span <byte> imageSpan = image.AsSpan();
int maskBytesPerLine = (size.cx + 7) / 8;
int destOffset = 0;
int sourceOffset = 0;
for (int y = 0; y < size.cy; y++, destOffset += size.cx, sourceOffset += maskStrideBytes)
{
Span <byte> destSpan = imageSpan.Slice(destOffset, size.cx);
ReadOnlySpan <byte> lineBits = bits.Slice(sourceOffset, maskBytesPerLine);
ReadOnlySpan <byte> lineMask = mask.Slice(sourceOffset, maskBytesPerLine);
decodeMonochrome(destSpan, lineBits, lineMask, palette, size.cx);
}
}
return(image);
}
void onResized(CSize newSize, double dpi)
{
dpiScaling = new DpiScaling(dpi);
d2dContext.dpiScaling = dpi;
viewportSize = new Vector2((float)(newSize.cx / dpi), (float)(newSize.cy / dpi));
foreach (var sub in resized)
{
sub(viewportSize, dpi);
}
}
public AniBitmaps(Stream stream, AniFile.Frame[] frames, int formatIndex)
{
size = frames[0].images[formatIndex].size;
int countFrames = frames.Length;
pixelsPerFrame = size.cx * size.cy;
data = new uint[pixelsPerFrame * countFrames];
Span <uint> destSpan = data.AsSpan();
int streamOffset = 0;
int bihSize = Marshal.SizeOf <BITMAPINFOHEADER>();
for (int i = 0; i < frames.Length; i++)
{
AniFile.Payload src = frames[i].payloads[formatIndex];
stream.skip(src.offset - streamOffset);
streamOffset = src.offset;
BITMAPINFOHEADER header = stream.read <BITMAPINFOHEADER>();
streamOffset += bihSize;
Debug.Assert(bihSize == header.biSize);
if (header.biWidth != size.cx)
{
throw new ArgumentException("Size in BMP doesn't match");
}
Span <uint> destFrame = destSpan.Slice(i * pixelsPerFrame, pixelsPerFrame);
if (header.biCompression == BitmapCompressionMode.BI_RGB && header.biHeight == size.cy * 2)
{
decodeRgbIcon(stream, destFrame, ref streamOffset, ref header, src.size);
}
else
{
throw new NotImplementedException();
}
}
bool flipBgr = RuntimeEnvironment.operatingSystem != eOperatingSystem.Windows;
GraphicsUtils.premultiplyAlpha(data, flipBgr);
this.frames = new TextureSubResData[countFrames];
pinned = GCHandle.Alloc(data, GCHandleType.Pinned);
IntPtr pointer = pinned.AddrOfPinnedObject();
for (int i = 0; i < countFrames; i++)
{
TextureSubResData srd = new TextureSubResData();
srd.pData = pointer + (i * pixelsPerFrame * 4);
srd.Stride = size.cx * 4;
srd.DepthStride = pixelsPerFrame * 4;
this.frames[i] = srd;
}
}
void onResized(CSize newSize, double dpi)
{
dpiScaling = new DpiScaling(dpi);
viewportSize = new Vector2((float)(newSize.cx / dpi), (float)(newSize.cy / dpi));
rootTransform.M11 = (float)(2.0 / viewportSize.X);
rootTransform.M22 = (float)(-2.0 / viewportSize.Y);
foreach (var sub in resized)
{
sub(viewportSize, dpi);
}
swapChain?.destroyTargets();
}
private CItem Getformdata()
{
CItem oitem = new CItem();
CItemType oItemType = (CItemType)ddlItemType.SelectedItem;
CItemGroup oitemgroup = (CItemGroup)ddlGroupNAme.SelectedItem;
CUOM oUOM = (CUOM)ddlUOM.SelectedItem;
CSize oSize = (CSize)cmbItemSize.SelectedItem;
oitem.Item_OID = txthiddenitemid.Text;
oitem.Item_Branch = currentBranch.CompBrn_Code;
oitem.Item_GroupID = oitemgroup.Catg_OID;
oitem.Item_TypeID = oItemType.ITyp_OID;
oitem.Item_UOMID = oUOM.UOM_OID;
oitem.Item_Code = txtItemCode.Text.Trim();
if (cmbItemSize.SelectedItem != null && txtICode.Text != "")
{
oitem.Item_ItemName = txtItemName.Text + "-" + txtICode.Text + "-- " + oSize.Size_Name;
}
if (txtICode.Text != "")
{
oitem.Item_ItemName = txtItemName.Text + "-" + txtICode.Text;
}
else
{
oitem.Item_ItemName = txtItemName.Text;
}
//oitem.Item_ItemName = txtItemName.Text;
oitem.Item_Pprice = float.Parse(txtpprice.Text);
oitem.Remarks = txtRemarks.Text;
oitem.Item_RQTY = float.Parse(txtRQTY.Text);
oitem.Item_Sprice = float.Parse(txtSprice.Text);
oitem.Creator = currentUser.User_OID;
oitem.CreationDate = DateTime.Now;
oitem.UpdateBy = currentUser.User_OID;
oitem.UpdateDate = DateTime.Now;
oitem.CreationDate = DateTime.Now.Date;
if (chkIsActive.Checked)
{
oitem.IsActive = "Y";
}
else
{
oitem.IsActive = "N";
}
oitem.Item_Priority = int.Parse(nupdnItemPriority.Text.Trim());
oitem.ItemImage = this.ItemImage;
return(oitem);
}
public CResult Update(CSize oCSize)
{
oResult = new CResult();
conn = oConnManager.GetConnection(out s_DBError);
if (conn != null)
{
SqlCommand cmd = new SqlCommand();
cmd.Connection = conn;
cmd.Transaction = oConnManager.BeginTransaction();
try
{
cmd.CommandText = "sp_Size_Update";
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@Size_OID", oCSize.Size_OID);
cmd.Parameters.AddWithValue("@Size_Code", oCSize.Size_Code);
cmd.Parameters.AddWithValue("@Size_Name", oCSize.Size_Name);
cmd.Parameters.AddWithValue("@Size_Branch", oCSize.Size_Branch);
cmd.Parameters.AddWithValue("@Creator", oCSize.Creator);
cmd.Parameters.AddWithValue("@CreationDate", oCSize.CreationDate);
cmd.Parameters.AddWithValue("@UpdateBy", oCSize.UpdateBy);
cmd.Parameters.AddWithValue("@UpdateDate", oCSize.UpdateDate);
cmd.Parameters.AddWithValue("@IsActive", oCSize.IsActive);
cmd.Parameters.AddWithValue("@Remarks", oCSize.Remarks);
cmd.ExecuteNonQuery();
oConnManager.Commit();
oResult.IsSuccess = true;
}
catch (SqlException e)
{
string sRollbackError = oConnManager.Rollback();
oResult.IsSuccess = false;
oResult.ErrMsg = sRollbackError.Equals("") ? oConnManager.GetErrorMessage(e) : sRollbackError;
}
finally
{
oConnManager.Close();
}
}
else
{
oResult.IsSuccess = false;
oResult.ErrMsg = s_DBError;
}
return(oResult);
}
private void LLSIZEType_SelectedIndexChanged(object sender, EventArgs e)
{
if (LLSIZEType.SelectedIndex != -1)
{
if (LLSIZEType.Items.Count > 0)
{
CSize oCSize = (CSize)LLSIZEType.SelectedItem;
txtSizeid.Text = oCSize.Size_OID.ToString();
txtSIZECode.Text = oCSize.Size_Code;
txtSIZEName.Text = oCSize.Size_Name;
txtRemarks.Text = oCSize.Remarks;
FormControlMode(1);
}
}
}
internal VideoSampleEntry(Mp4Reader reader, ref int bytesLeft)
{
var ss = reader.readStructure <Structures.VisualSampleEntry>();
bytesLeft -= Marshal.SizeOf <Structures.VisualSampleEntry>();
sizePixels = ss.size;
pixelsPerInch = ss.resolution;
framesPerSample = ss.frameCount;
unsafe
{
byte *comp = ss.compressorname;
compressorName = StringMarshal.copy(comp, 32);
}
}
public static ITextureView load(IRenderDevice device, byte[] payload, CSize size)
{
byte[] data = decodeMonochromeIcon(payload, size);
TextureDesc desc = new TextureDesc(false);
desc.Type = ResourceDimension.Tex2d;
desc.Size = size;
desc.Format = TextureFormat.R8Unorm;
desc.Usage = Usage.Static;
desc.BindFlags = BindFlags.ShaderResource;
ITexture texture = device.CreateTexture(ref desc, data, size.cx, "Monochrome cursor");
return(texture.GetDefaultView(TextureViewType.ShaderResource));
}
public RenderBase(IRenderDevice device, CSize renderTargetSize, SwapChainFormats formats, Vector4 borderColor, sDecodedVideoSize videoSize)
{
this.videoSize = videoSize;
// Create vertex buffer
vertexBuffer = createVideoVertexBuffer(device, renderTargetSize, ref videoSize);
// Create pipeline state
var pso = new PipelineStateDesc(false);
pso.GraphicsPipeline.DepthStencilDesc.DepthEnable = false;
pso.GraphicsPipeline.PrimitiveTopology = PrimitiveTopology.TriangleList;
pso.GraphicsPipeline.NumRenderTargets = 1;
pso.GraphicsPipeline.setRTVFormat(0, formats.color);
pso.GraphicsPipeline.DSVFormat = formats.depth;
pso.ResourceLayout.DefaultVariableType = ShaderResourceVariableType.Static;
var compiler = device.GetShaderFactory();
iStorageFolder assets = StorageFolder.embeddedResources(System.Reflection.Assembly.GetExecutingAssembly(), resourceFolder);
using (var psf = device.CreatePipelineStateFactory())
{
psf.setName("Video PSO");
setupVideoInputLayout(psf);
using (var vs = compiler.compileHlslFile(assets, "VideoVS.hlsl", ShaderType.Vertex))
psf.graphicsVertexShader(vs);
(string uvMin, string uvMax) = videoUvCroppedRect(ref videoSize);
string colorString = Utils.printFloat4(borderColor);
using (var ps = compilePixelShader(compiler, assets, uvMin, uvMax, colorString))
psf.graphicsPixelShader(ps);
psf.layoutVariable(ShaderType.Pixel, ShaderResourceVariableType.Dynamic, varTexture);
var sampler = new SamplerDesc(false)
{
MipFilter = FilterType.Point,
};
psf.layoutStaticSampler(ShaderType.Pixel, ref sampler, varTexture);
psf.apply(ref pso);
pipelineState = device.CreatePipelineState(ref pso);
}
// Create resource binding and cache the variable, we gonna need both on every frame rendered
binding = pipelineState.CreateShaderResourceBinding(true);
textureVariable = binding.GetVariableByName(ShaderType.Pixel, varTexture);
}
private CSize Getformdata()
{
CSize oSize = new CSize();
oSize.Size_OID = txtSizeid.Text.Trim();
oSize.Size_Branch = currentBranch.CompBrn_Code;
oSize.Size_Code = txtSIZECode.Text.Trim();
oSize.Size_Name = txtSIZEName.Text.Trim();
oSize.Remarks = txtRemarks.Text.Trim();
oSize.CreationDate = DateTime.Now;
oSize.Creator = currentUser.User_OID;
oSize.UpdateBy = currentUser.User_OID;
oSize.UpdateDate = DateTime.Now;
oSize.IsActive = "Y";
return(oSize);
}
/// <summary>Create and set fields to their defaults</summary>
public TextureDesc(bool unused)
{
baseStruct = new DeviceObjectAttribs(true);
Type = ResourceDimension.Undefined;
Size = new CSize(0, 0);
ArraySizeOrDepth = 1;
Format = TextureFormat.Unknown;
MipLevels = 1;
SampleCount = 1;
Usage = Usage.Default;
BindFlags = BindFlags.None;
CPUAccessFlags = CpuAccessFlags.None;
MiscFlags = MiscTextureFlags.None;
ClearValue = new OptimizedClearValue(true);
CommandQueueMask = 1;
}
/// <summary>Decode frames of the specified format index, and upload them to VRAM.</summary>
public AnimatedCursorTexture load(IRenderDevice device, Stream stream, string name, int formatIndex = 0)
{
if (formatIndex < 0 || formatIndex >= formats.Length)
{
throw new ArgumentOutOfRangeException();
}
iTextureArrayData data;
switch (formats[formatIndex].format)
{
case eFormat.Bitmap:
data = new AniBitmaps(stream, this.frames, formatIndex);
break;
default:
throw new NotImplementedException();
}
CSize size = formats[formatIndex].size;
int frames = data.data.Length;
ITexture textureArray;
using ( data )
{
TextureDesc desc = new TextureDesc(false);
desc.Type = ResourceDimension.Tex2dArray;
desc.Size = size;
desc.ArraySizeOrDepth = (uint)frames;
desc.Format = data.format;
desc.Usage = Usage.Static;
desc.BindFlags = BindFlags.ShaderResource;
textureArray = device.CreateTexture(ref desc, data.data, (uint)frames, name);
}
ITextureView view = textureArray.GetDefaultView(TextureViewType.ShaderResource);
double ticks = TimeSpan.TicksPerSecond;
ticks /= 60;
ticks *= header.JifRate;
ticks = Math.Round(ticks);
TimeSpan duration = TimeSpan.FromTicks((long)ticks);
CPoint hotspot = this.frames[0].images[formatIndex].hotspot;
return(new AnimatedCursorTexture(view, size, hotspot, frames, duration));
}
/// <summary>Cropped video rectangle in clip space units</summary>
static RectD videoRectangle(CSize pxRenderTarget, ref sDecodedVideoSize videoSize)
{
CSize pxVideo = videoSize.cropRect.size;
if (pxVideo.cx * pxRenderTarget.cy >= pxVideo.cy * pxRenderTarget.cx)
{
// scale X to fit, center vertically
double h = mulDiv(pxVideo.cy, pxRenderTarget.cx, pxVideo.cx, pxRenderTarget.cy);
return(new RectD(-1, -h, 1, h));
}
else
{
// scale Y to fit, center horizontally
double w = mulDiv(pxVideo.cx, pxRenderTarget.cy, pxVideo.cy, pxRenderTarget.cx);
return(new RectD(-w, -1, w, 1));
}
}
/// <summary>Create immutable VB with the full-screen triangle with cropping-included texture coordinates</summary>
public static IBuffer createVideoVertexBuffer(IRenderDevice device, CSize renderTargetSize, ref sDecodedVideoSize videoSize)
{
Span <sVideoVertex> data = stackalloc sVideoVertex[3];
produceVertices(data, renderTargetSize, ref videoSize);
BufferDesc desc = new BufferDesc(false)
{
uiSizeInBytes = 16 * 3,
BindFlags = BindFlags.VertexBuffer,
Usage = Usage.Static,
};
ReadOnlySpan <sVideoVertex> readOnly = data;
return(device.CreateBuffer(desc, readOnly, "Video VB"));
}
static void encodeScreenshot(TextureFormat format, CSize size, MappedTextureSubresource mapped, string dest)
{
// Pick the right set of PNG options
ePngOptions options;
switch (format)
{
case TextureFormat.Rgba8Sint:
case TextureFormat.Rgba8Snorm:
case TextureFormat.Rgba8Typeless:
case TextureFormat.Rgba8Unorm:
options = ePngOptions.None;
break;
case TextureFormat.Rgba8UnormSrgb:
options = ePngOptions.SrgbMetadata;
break;
case TextureFormat.Bgra8Typeless:
case TextureFormat.Bgrx8Typeless:
case TextureFormat.Bgra8Unorm:
case TextureFormat.Bgrx8Unorm:
options = ePngOptions.FlipChannels;
break;
case TextureFormat.Bgra8UnormSrgb:
case TextureFormat.Bgrx8UnormSrgb:
options = ePngOptions.FlipChannels | ePngOptions.SrgbMetadata;
break;
default:
throw new ArgumentException($"{ format } textures can’t be PNG encoded. Do something else, e.g. DDS.");
}
// No idea why, but identical C# and C++ code produces good images on Windows and vertically flipped ones on Linux.
// Need to pass a bit to encoder to distinguish.
// Fortunately, LibPNG takes an array of row pointers and thus doesn't care about rows RAM layout, the implementation doesn't need to make copies.
if (RuntimeEnvironment.runningLinux)
{
options |= ePngOptions.FlipRows;
}
// Finally, write the PNG
using (var fs = File.Create(dest))
GraphicsUtils.encodeRgbaPng(size, mapped, options, fs);
}
