/// <summary>
/// Constructs a new instance of the cached GPU texture.
/// </summary>
/// <param name="context">GPU context that the texture belongs to</param>
/// <param name="info">Texture information</param>
/// <param name="sizeInfo">Size information of the texture</param>
/// <param name="scaleMode">The scale mode to initialize with. If scaled, the texture's data is loaded immediately and scaled up</param>
public Texture(GpuContext context, TextureInfo info, SizeInfo sizeInfo, TextureScaleMode scaleMode)
{
ScaleFactor = 1f; // Texture is first loaded at scale 1x.
ScaleMode = scaleMode;
InitializeTexture(context, info, sizeInfo);
}
public static Texture Scale(this Texture texture, int width, int height, TextureScaleMode scaleMode)
{
Texture2D texture2D = (Texture2D)TextureUtils.ConvertToReadableTexture(texture);
texture2D.Scale2D(width, height, scaleMode);
texture = texture2D;
return(texture);
}
/// <summary>
/// Sets the Scale Factor on this texture, and immediately recreates it at the correct size.
/// When a texture is resized, a scaled copy is performed from the old texture to the new one, to ensure no data is lost.
/// If scale is equivalent, this only propagates the blacklisted/scaled mode.
/// If called on a view, its storage is resized instead.
/// When resizing storage, all texture views are recreated.
/// </summary>
/// <param name="scale">The new scale factor for this texture</param>
public void SetScale(float scale)
{
TextureScaleMode newScaleMode = ScaleMode == TextureScaleMode.Blacklisted ? ScaleMode : TextureScaleMode.Scaled;
if (_viewStorage != this)
{
_viewStorage.ScaleMode = newScaleMode;
_viewStorage.SetScale(scale);
return;
}
if (ScaleFactor != scale)
{
Logger.Debug?.Print(LogClass.Gpu, $"Rescaling {Info.Width}x{Info.Height} {Info.FormatInfo.Format.ToString()} to ({ScaleFactor} to {scale}). ");
ScaleFactor = scale;
ITexture newStorage = GetScaledHostTexture(ScaleFactor);
Logger.Debug?.Print(LogClass.Gpu, $" Copy performed: {HostTexture.Width}x{HostTexture.Height} to {newStorage.Width}x{newStorage.Height}");
ReplaceStorage(newStorage);
// All views must be recreated against the new storage.
foreach (var view in _views)
{
Logger.Debug?.Print(LogClass.Gpu, $" Recreating view {Info.Width}x{Info.Height} {Info.FormatInfo.Format.ToString()}.");
view.ScaleFactor = scale;
TextureCreateInfo viewCreateInfo = TextureManager.GetCreateInfo(view.Info, _context.Capabilities);
ITexture newView = HostTexture.CreateView(viewCreateInfo, view._firstLayer - _firstLayer, view._firstLevel - _firstLevel);
view.ReplaceStorage(newView);
view.ScaleMode = newScaleMode;
}
}
if (ScaleMode != newScaleMode)
{
ScaleMode = newScaleMode;
foreach (var view in _views)
{
view.ScaleMode = newScaleMode;
}
}
}
/// <summary>
/// Constructs a new instance of the cached GPU texture.
/// </summary>
/// <param name="context">GPU context that the texture belongs to</param>
/// <param name="info">Texture information</param>
/// <param name="sizeInfo">Size information of the texture</param>
/// <param name="firstLayer">The first layer of the texture, or 0 if the texture has no parent</param>
/// <param name="firstLevel">The first mipmap level of the texture, or 0 if the texture has no parent</param>
/// <param name="scaleFactor">The floating point scale factor to initialize with</param>
/// <param name="scaleMode">The scale mode to initialize with</param>
private Texture(
GpuContext context,
TextureInfo info,
SizeInfo sizeInfo,
int firstLayer,
int firstLevel,
float scaleFactor,
TextureScaleMode scaleMode)
{
InitializeTexture(context, info, sizeInfo);
_firstLayer = firstLayer;
_firstLevel = firstLevel;
ScaleFactor = scaleFactor;
ScaleMode = scaleMode;
InitializeData(true);
}
/// <summary>
/// Tries to find an existing texture, or create a new one if not found.
/// </summary>
/// <param name="info">Texture information of the texture to be found or created</param>
/// <param name="flags">The texture search flags, defines texture comparison rules</param>
/// <returns>The texture</returns>
public Texture FindOrCreateTexture(TextureInfo info, TextureSearchFlags flags = TextureSearchFlags.None)
{
bool isSamplerTexture = (flags & TextureSearchFlags.ForSampler) != 0;
bool isScalable = IsUpscaleCompatible(info);
TextureScaleMode scaleMode = TextureScaleMode.Blacklisted;
if (isScalable)
{
scaleMode = (flags & TextureSearchFlags.WithUpscale) != 0 ? TextureScaleMode.Scaled : TextureScaleMode.Eligible;
}
int sameAddressOverlapsCount;
lock (_textures)
{
// Try to find a perfect texture match, with the same address and parameters.
sameAddressOverlapsCount = _textures.FindOverlaps(info.Address, ref _textureOverlaps);
}
for (int index = 0; index < sameAddressOverlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
if (overlap.IsPerfectMatch(info, flags))
{
if (!isSamplerTexture)
{
// If not a sampler texture, it is managed by the auto delete
// cache, ensure that it is on the "top" of the list to avoid
// deletion.
_cache.Lift(overlap);
}
else if (!TextureCompatibility.SizeMatches(overlap.Info, info))
{
// If this is used for sampling, the size must match,
// otherwise the shader would sample garbage data.
// To fix that, we create a new texture with the correct
// size, and copy the data from the old one to the new one.
overlap.ChangeSize(info.Width, info.Height, info.DepthOrLayers);
}
overlap.SynchronizeMemory();
return(overlap);
}
}
// Calculate texture sizes, used to find all overlapping textures.
SizeInfo sizeInfo;
if (info.Target == Target.TextureBuffer)
{
sizeInfo = new SizeInfo(info.Width * info.FormatInfo.BytesPerPixel);
}
else if (info.IsLinear)
{
sizeInfo = SizeCalculator.GetLinearTextureSize(
info.Stride,
info.Height,
info.FormatInfo.BlockHeight);
}
else
{
sizeInfo = SizeCalculator.GetBlockLinearTextureSize(
info.Width,
info.Height,
info.GetDepth(),
info.Levels,
info.GetLayers(),
info.FormatInfo.BlockWidth,
info.FormatInfo.BlockHeight,
info.FormatInfo.BytesPerPixel,
info.GobBlocksInY,
info.GobBlocksInZ,
info.GobBlocksInTileX);
}
// Find view compatible matches.
ulong size = (ulong)sizeInfo.TotalSize;
int overlapsCount;
lock (_textures)
{
overlapsCount = _textures.FindOverlaps(info.Address, size, ref _textureOverlaps);
}
Texture texture = null;
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
if (overlap.IsViewCompatible(info, size, out int firstLayer, out int firstLevel) == TextureViewCompatibility.Full)
{
if (!isSamplerTexture)
{
info = AdjustSizes(overlap, info, firstLevel);
}
texture = overlap.CreateView(info, sizeInfo, firstLayer, firstLevel);
if (IsTextureModified(overlap))
{
texture.SignalModified();
}
// The size only matters (and is only really reliable) when the
// texture is used on a sampler, because otherwise the size will be
// aligned.
if (!TextureCompatibility.SizeMatches(overlap.Info, info, firstLevel) && isSamplerTexture)
{
texture.ChangeSize(info.Width, info.Height, info.DepthOrLayers);
}
break;
}
}
// No match, create a new texture.
if (texture == null)
{
texture = new Texture(_context, info, sizeInfo, scaleMode);
// Step 1: Find textures that are view compatible with the new texture.
// Any textures that are incompatible will contain garbage data, so they should be removed where possible.
int viewCompatible = 0;
bool setData = isSamplerTexture || overlapsCount == 0;
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
bool overlapInCache = overlap.CacheNode != null;
TextureViewCompatibility compatibility = texture.IsViewCompatible(overlap.Info, overlap.Size, out int firstLayer, out int firstLevel);
if (compatibility != TextureViewCompatibility.Incompatible)
{
if (_overlapInfo.Length != _textureOverlaps.Length)
{
Array.Resize(ref _overlapInfo, _textureOverlaps.Length);
}
_overlapInfo[viewCompatible] = new OverlapInfo(compatibility, firstLayer, firstLevel);
_textureOverlaps[viewCompatible++] = overlap;
}
else if (overlapInCache || !setData)
{
if (info.GobBlocksInZ > 1 && info.GobBlocksInZ == overlap.Info.GobBlocksInZ)
{
// Allow overlapping slices of 3D textures. Could be improved in future by making sure the textures don't overlap.
continue;
}
// The overlap texture is going to contain garbage data after we draw, or is generally incompatible.
// If the texture cannot be entirely contained in the new address space, and one of its view children is compatible with us,
// it must be flushed before removal, so that the data is not lost.
// If the texture was modified since its last use, then that data is probably meant to go into this texture.
// If the data has been modified by the CPU, then it also shouldn't be flushed.
bool modified = overlap.ConsumeModified();
bool flush = overlapInCache && !modified && (overlap.Address <texture.Address || overlap.EndAddress> texture.EndAddress) && overlap.HasViewCompatibleChild(texture);
setData |= modified || flush;
if (overlapInCache)
{
_cache.Remove(overlap, flush);
}
}
}
// We need to synchronize before copying the old view data to the texture,
// otherwise the copied data would be overwritten by a future synchronization.
texture.InitializeData(false, setData);
for (int index = 0; index < viewCompatible; index++)
{
Texture overlap = _textureOverlaps[index];
OverlapInfo oInfo = _overlapInfo[index];
if (oInfo.Compatibility != TextureViewCompatibility.Full)
{
continue; // Copy only compatibilty.
}
TextureInfo overlapInfo = AdjustSizes(texture, overlap.Info, oInfo.FirstLevel);
TextureCreateInfo createInfo = GetCreateInfo(overlapInfo, _context.Capabilities);
if (texture.ScaleFactor != overlap.ScaleFactor)
{
// A bit tricky, our new texture may need to contain an existing texture that is upscaled, but isn't itself.
// In that case, we prefer the higher scale only if our format is render-target-like, otherwise we scale the view down before copy.
texture.PropagateScale(overlap);
}
ITexture newView = texture.HostTexture.CreateView(createInfo, oInfo.FirstLayer, oInfo.FirstLevel);
overlap.HostTexture.CopyTo(newView, 0, 0);
// Inherit modification from overlapping texture, do that before replacing
// the view since the replacement operation removes it from the list.
if (IsTextureModified(overlap))
{
texture.SignalModified();
}
overlap.ReplaceView(texture, overlapInfo, newView, oInfo.FirstLayer, oInfo.FirstLevel);
}
// If the texture is a 3D texture, we need to additionally copy any slice
// of the 3D texture to the newly created 3D texture.
if (info.Target == Target.Texture3D)
{
for (int index = 0; index < viewCompatible; index++)
{
Texture overlap = _textureOverlaps[index];
OverlapInfo oInfo = _overlapInfo[index];
if (oInfo.Compatibility != TextureViewCompatibility.Incompatible)
{
overlap.BlacklistScale();
overlap.HostTexture.CopyTo(texture.HostTexture, oInfo.FirstLayer, oInfo.FirstLevel);
if (IsTextureModified(overlap))
{
texture.SignalModified();
}
}
}
}
}
// Sampler textures are managed by the texture pool, all other textures
// are managed by the auto delete cache.
if (!isSamplerTexture)
{
_cache.Add(texture);
texture.Modified += CacheTextureModified;
texture.Disposed += CacheTextureDisposed;
}
lock (_textures)
{
_textures.Add(texture);
}
ShrinkOverlapsBufferIfNeeded();
return(texture);
}
/// <summary>
/// Tries to find an existing texture, or create a new one if not found.
/// </summary>
/// <param name="info">Texture information of the texture to be found or created</param>
/// <param name="flags">The texture search flags, defines texture comparison rules</param>
/// <returns>The texture</returns>
public Texture FindOrCreateTexture(TextureInfo info, TextureSearchFlags flags = TextureSearchFlags.None)
{
bool isSamplerTexture = (flags & TextureSearchFlags.Sampler) != 0;
bool isScalable = IsUpscaleCompatible(info);
TextureScaleMode scaleMode = TextureScaleMode.Blacklisted;
if (isScalable)
{
scaleMode = (flags & TextureSearchFlags.WithUpscale) != 0 ? TextureScaleMode.Scaled : TextureScaleMode.Eligible;
}
// Try to find a perfect texture match, with the same address and parameters.
int sameAddressOverlapsCount = _textures.FindOverlaps(info.Address, ref _textureOverlaps);
for (int index = 0; index < sameAddressOverlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
if (overlap.IsPerfectMatch(info, flags))
{
if (!isSamplerTexture)
{
// If not a sampler texture, it is managed by the auto delete
// cache, ensure that it is on the "top" of the list to avoid
// deletion.
_cache.Lift(overlap);
}
else if (!overlap.SizeMatches(info))
{
// If this is used for sampling, the size must match,
// otherwise the shader would sample garbage data.
// To fix that, we create a new texture with the correct
// size, and copy the data from the old one to the new one.
overlap.ChangeSize(info.Width, info.Height, info.DepthOrLayers);
}
overlap.SynchronizeMemory();
return(overlap);
}
}
// Calculate texture sizes, used to find all overlapping textures.
SizeInfo sizeInfo;
if (info.Target == Target.TextureBuffer)
{
sizeInfo = new SizeInfo(info.Width * info.FormatInfo.BytesPerPixel);
}
else if (info.IsLinear)
{
sizeInfo = SizeCalculator.GetLinearTextureSize(
info.Stride,
info.Height,
info.FormatInfo.BlockHeight);
}
else
{
sizeInfo = SizeCalculator.GetBlockLinearTextureSize(
info.Width,
info.Height,
info.GetDepth(),
info.Levels,
info.GetLayers(),
info.FormatInfo.BlockWidth,
info.FormatInfo.BlockHeight,
info.FormatInfo.BytesPerPixel,
info.GobBlocksInY,
info.GobBlocksInZ,
info.GobBlocksInTileX);
}
// Find view compatible matches.
ulong size = (ulong)sizeInfo.TotalSize;
int overlapsCount = _textures.FindOverlaps(info.Address, size, ref _textureOverlaps);
Texture texture = null;
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
if (overlap.IsViewCompatible(info, size, out int firstLayer, out int firstLevel))
{
if (!isSamplerTexture)
{
info = AdjustSizes(overlap, info, firstLevel);
}
texture = overlap.CreateView(info, sizeInfo, firstLayer, firstLevel);
if (IsTextureModified(overlap))
{
CacheTextureModified(texture);
}
// The size only matters (and is only really reliable) when the
// texture is used on a sampler, because otherwise the size will be
// aligned.
if (!overlap.SizeMatches(info, firstLevel) && isSamplerTexture)
{
texture.ChangeSize(info.Width, info.Height, info.DepthOrLayers);
}
break;
}
}
// No match, create a new texture.
if (texture == null)
{
texture = new Texture(_context, info, sizeInfo, scaleMode);
// We need to synchronize before copying the old view data to the texture,
// otherwise the copied data would be overwritten by a future synchronization.
texture.SynchronizeMemory();
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
if (texture.IsViewCompatible(overlap.Info, overlap.Size, out int firstLayer, out int firstLevel))
{
TextureInfo overlapInfo = AdjustSizes(texture, overlap.Info, firstLevel);
TextureCreateInfo createInfo = GetCreateInfo(overlapInfo, _context.Capabilities);
if (texture.ScaleFactor != overlap.ScaleFactor)
{
// A bit tricky, our new texture may need to contain an existing texture that is upscaled, but isn't itself.
// In that case, we prefer the higher scale only if our format is render-target-like, otherwise we scale the view down before copy.
texture.PropagateScale(overlap);
}
ITexture newView = texture.HostTexture.CreateView(createInfo, firstLayer, firstLevel);
overlap.HostTexture.CopyTo(newView, 0, 0);
// Inherit modification from overlapping texture, do that before replacing
// the view since the replacement operation removes it from the list.
if (IsTextureModified(overlap))
{
CacheTextureModified(texture);
}
overlap.ReplaceView(texture, overlapInfo, newView, firstLayer, firstLevel);
}
}
// If the texture is a 3D texture, we need to additionally copy any slice
// of the 3D texture to the newly created 3D texture.
if (info.Target == Target.Texture3D)
{
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
if (texture.IsViewCompatible(
overlap.Info,
overlap.Size,
isCopy: true,
out int firstLayer,
out int firstLevel))
{
overlap.BlacklistScale();
overlap.HostTexture.CopyTo(texture.HostTexture, firstLayer, firstLevel);
if (IsTextureModified(overlap))
{
CacheTextureModified(texture);
}
}
}
}
}
// Sampler textures are managed by the texture pool, all other textures
// are managed by the auto delete cache.
if (!isSamplerTexture)
{
_cache.Add(texture);
texture.Modified += CacheTextureModified;
texture.Disposed += CacheTextureDisposed;
}
_textures.Add(texture);
ShrinkOverlapsBufferIfNeeded();
return(texture);
}
/// <summary>
/// Scale Texture.
/// </summary>
/// <param name="source"></param>
/// <param name="scale"></param>
/// <param name="textureScaleMode"></param>
/// <returns></returns>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public static Texture2D ScaleTexture(Texture2D source, float scale, TextureScaleMode textureScaleMode)
{
int i;
// Get All the source pixels
var aSourceColor = source.GetPixels(0);
var vSourceSize = new Vector2(source.width, source.height);
// Calculate New Size
float xWidth = Mathf.RoundToInt(source.width * scale);
float xHeight = Mathf.RoundToInt(source.height * scale);
// Make New
var oNewTex = new Texture2D((int)xWidth, (int)xHeight, TextureFormat.RGBA32, false);
// Make destination array
var xLength = (int)xWidth * (int)xHeight;
var aColor = new Color[xLength];
var vPixelSize = new Vector2(vSourceSize.x / xWidth, vSourceSize.y / xHeight);
// Loop through destination pixels and process
var vCenter = new Vector2();
for (i = 0; i < xLength; i++)
{
// Figure out x&y
var xX = i % xWidth;
var xY = Mathf.Floor(i / xWidth);
// Calculate Center
vCenter.x = xX / xWidth * vSourceSize.x;
vCenter.y = xY / xHeight * vSourceSize.y;
// Do Based on mode
// Nearest neighbour (testing)
switch (textureScaleMode)
{
case TextureScaleMode.Nearest:
{
// Nearest neighbour (testing)
vCenter.x = Mathf.Round(vCenter.x);
vCenter.y = Mathf.Round(vCenter.y);
// Calculate source index
var xSourceIndex = (int)(vCenter.y * vSourceSize.x + vCenter.x);
// Copy Pixel
aColor[i] = aSourceColor[xSourceIndex];
break;
}
case TextureScaleMode.Bilinear:
{
// Get Ratios
var xRatioX = vCenter.x - Mathf.Floor(vCenter.x);
var xRatioY = vCenter.y - Mathf.Floor(vCenter.y);
// Get Pixel index's
var xIndexTl = (int)(Mathf.Floor(vCenter.y) * vSourceSize.x + Mathf.Floor(vCenter.x));
var xIndexTr = (int)(Mathf.Floor(vCenter.y) * vSourceSize.x + Mathf.Ceil(vCenter.x));
var xIndexBl = (int)(Mathf.Ceil(vCenter.y) * vSourceSize.x + Mathf.Floor(vCenter.x));
var xIndexBr = (int)(Mathf.Ceil(vCenter.y) * vSourceSize.x + Mathf.Ceil(vCenter.x));
// Calculate Color
aColor[i] = Color.Lerp(
Color.Lerp(aSourceColor[xIndexTl], aSourceColor[xIndexTr], xRatioX),
Color.Lerp(aSourceColor[xIndexBl], aSourceColor[xIndexBr], xRatioX),
xRatioY
);
break;
}
case TextureScaleMode.Average:
{
// Calculate grid around point
var xXFrom = (int)Mathf.Max(Mathf.Floor(vCenter.x - vPixelSize.x * 0.5f), 0);
var xXTo = (int)Mathf.Min(Mathf.Ceil(vCenter.x + vPixelSize.x * 0.5f), vSourceSize.x);
var xYFrom = (int)Mathf.Max(Mathf.Floor(vCenter.y - vPixelSize.y * 0.5f), 0);
var xYTo = (int)Mathf.Min(Mathf.Ceil(vCenter.y + vPixelSize.y * 0.5f), vSourceSize.y);
// Loop and accumulate
var oColorTemp = new Color();
float xGridCount = 0;
for (var iy = xYFrom; iy < xYTo; iy++)
{
for (var ix = xXFrom; ix < xXTo; ix++)
{
// Get Color
oColorTemp += aSourceColor[(int)(iy * vSourceSize.x + ix)];
// Sum
xGridCount++;
}
}
// Average Color
aColor[i] = oColorTemp / xGridCount;
break;
}
default:
throw new ArgumentOutOfRangeException(nameof(textureScaleMode), textureScaleMode, null);
}
}
oNewTex.SetPixels(aColor);
oNewTex.Apply();
return(oNewTex);
}
/// <summary>
/// Tries to find an existing texture, or create a new one if not found.
/// </summary>
/// <param name="memoryManager">GPU memory manager where the texture is mapped</param>
/// <param name="flags">The texture search flags, defines texture comparison rules</param>
/// <param name="info">Texture information of the texture to be found or created</param>
/// <param name="layerSize">Size in bytes of a single texture layer</param>
/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
/// <param name="range">Optional ranges of physical memory where the texture data is located</param>
/// <returns>The texture</returns>
public Texture FindOrCreateTexture(
MemoryManager memoryManager,
TextureSearchFlags flags,
TextureInfo info,
int layerSize = 0,
Size?sizeHint = null,
MultiRange?range = null)
{
bool isSamplerTexture = (flags & TextureSearchFlags.ForSampler) != 0;
TextureScaleMode scaleMode = IsUpscaleCompatible(info, (flags & TextureSearchFlags.WithUpscale) != 0);
ulong address;
if (range != null)
{
address = range.Value.GetSubRange(0).Address;
}
else
{
address = memoryManager.Translate(info.GpuAddress);
if (address == MemoryManager.PteUnmapped)
{
return(null);
}
}
int sameAddressOverlapsCount;
lock (_textures)
{
// Try to find a perfect texture match, with the same address and parameters.
sameAddressOverlapsCount = _textures.FindOverlaps(address, ref _textureOverlaps);
}
Texture texture = null;
TextureMatchQuality bestQuality = TextureMatchQuality.NoMatch;
for (int index = 0; index < sameAddressOverlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
TextureMatchQuality matchQuality = overlap.IsExactMatch(info, flags);
if (matchQuality != TextureMatchQuality.NoMatch)
{
// If the parameters match, we need to make sure the texture is mapped to the same memory regions.
if (range != null)
{
// If a range of memory was supplied, just check if the ranges match.
if (!overlap.Range.Equals(range.Value))
{
continue;
}
}
else
{
// If no range was supplied, we can check if the GPU virtual address match. If they do,
// we know the textures are located at the same memory region.
// If they don't, it may still be mapped to the same physical region, so we
// do a more expensive check to tell if they are mapped into the same physical regions.
// If the GPU VA for the texture has ever been unmapped, then the range must be checked regardless.
if ((overlap.Info.GpuAddress != info.GpuAddress || overlap.ChangedMapping) &&
!memoryManager.CompareRange(overlap.Range, info.GpuAddress))
{
continue;
}
}
}
if (matchQuality == TextureMatchQuality.Perfect)
{
texture = overlap;
break;
}
else if (matchQuality > bestQuality)
{
texture = overlap;
bestQuality = matchQuality;
}
}
if (texture != null)
{
ChangeSizeIfNeeded(info, texture, isSamplerTexture, sizeHint);
texture.SynchronizeMemory();
return(texture);
}
else if (flags.HasFlag(TextureSearchFlags.NoCreate))
{
return(null);
}
// Calculate texture sizes, used to find all overlapping textures.
SizeInfo sizeInfo = info.CalculateSizeInfo(layerSize);
ulong size = (ulong)sizeInfo.TotalSize;
bool partiallyMapped = false;
if (range == null)
{
range = memoryManager.GetPhysicalRegions(info.GpuAddress, size);
for (int i = 0; i < range.Value.Count; i++)
{
if (range.Value.GetSubRange(i).Address == MemoryManager.PteUnmapped)
{
partiallyMapped = true;
break;
}
}
}
// Find view compatible matches.
int overlapsCount;
lock (_textures)
{
overlapsCount = _textures.FindOverlaps(range.Value, ref _textureOverlaps);
}
if (_overlapInfo.Length != _textureOverlaps.Length)
{
Array.Resize(ref _overlapInfo, _textureOverlaps.Length);
}
// =============== Find Texture View of Existing Texture ===============
int fullyCompatible = 0;
// Evaluate compatibility of overlaps, add temporary references
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
TextureViewCompatibility overlapCompatibility = overlap.IsViewCompatible(info, range.Value, sizeInfo.LayerSize, _context.Capabilities, out int firstLayer, out int firstLevel);
if (overlapCompatibility == TextureViewCompatibility.Full)
{
if (overlap.IsView)
{
overlapCompatibility = TextureViewCompatibility.CopyOnly;
}
else
{
fullyCompatible++;
}
}
_overlapInfo[index] = new OverlapInfo(overlapCompatibility, firstLayer, firstLevel);
overlap.IncrementReferenceCount();
}
// Search through the overlaps to find a compatible view and establish any copy dependencies.
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
OverlapInfo oInfo = _overlapInfo[index];
if (oInfo.Compatibility == TextureViewCompatibility.Full)
{
TextureInfo adjInfo = AdjustSizes(overlap, info, oInfo.FirstLevel);
if (!isSamplerTexture)
{
info = adjInfo;
}
texture = overlap.CreateView(adjInfo, sizeInfo, range.Value, oInfo.FirstLayer, oInfo.FirstLevel);
ChangeSizeIfNeeded(info, texture, isSamplerTexture, sizeHint);
texture.SynchronizeMemory();
break;
}
else if (oInfo.Compatibility == TextureViewCompatibility.CopyOnly && fullyCompatible == 0)
{
// Only copy compatible. If there's another choice for a FULLY compatible texture, choose that instead.
texture = new Texture(_context, _physicalMemory, info, sizeInfo, range.Value, scaleMode);
texture.InitializeGroup(true, true, new List <TextureIncompatibleOverlap>());
texture.InitializeData(false, false);
overlap.SynchronizeMemory();
overlap.CreateCopyDependency(texture, oInfo.FirstLayer, oInfo.FirstLevel, true);
break;
}
}
if (texture != null)
{
// This texture could be a view of multiple parent textures with different storages, even if it is a view.
// When a texture is created, make sure all possible dependencies to other textures are created as copies.
// (even if it could be fulfilled without a copy)
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
OverlapInfo oInfo = _overlapInfo[index];
if (oInfo.Compatibility <= TextureViewCompatibility.LayoutIncompatible)
{
if (!overlap.IsView && texture.DataOverlaps(overlap, oInfo.Compatibility))
{
texture.Group.RegisterIncompatibleOverlap(new TextureIncompatibleOverlap(overlap.Group, oInfo.Compatibility), true);
}
}
else if (overlap.Group != texture.Group)
{
overlap.SynchronizeMemory();
overlap.CreateCopyDependency(texture, oInfo.FirstLayer, oInfo.FirstLevel, true);
}
}
texture.SynchronizeMemory();
}
// =============== Create a New Texture ===============
// No match, create a new texture.
if (texture == null)
{
texture = new Texture(_context, _physicalMemory, info, sizeInfo, range.Value, scaleMode);
// Step 1: Find textures that are view compatible with the new texture.
// Any textures that are incompatible will contain garbage data, so they should be removed where possible.
int viewCompatible = 0;
fullyCompatible = 0;
bool setData = isSamplerTexture || overlapsCount == 0 || flags.HasFlag(TextureSearchFlags.ForCopy);
bool hasLayerViews = false;
bool hasMipViews = false;
var incompatibleOverlaps = new List <TextureIncompatibleOverlap>();
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
bool overlapInCache = overlap.CacheNode != null;
TextureViewCompatibility compatibility = texture.IsViewCompatible(overlap.Info, overlap.Range, overlap.LayerSize, _context.Capabilities, out int firstLayer, out int firstLevel);
if (overlap.IsView && compatibility == TextureViewCompatibility.Full)
{
compatibility = TextureViewCompatibility.CopyOnly;
}
if (compatibility > TextureViewCompatibility.LayoutIncompatible)
{
_overlapInfo[viewCompatible] = new OverlapInfo(compatibility, firstLayer, firstLevel);
_textureOverlaps[index] = _textureOverlaps[viewCompatible];
_textureOverlaps[viewCompatible] = overlap;
if (compatibility == TextureViewCompatibility.Full)
{
if (viewCompatible != fullyCompatible)
{
// Swap overlaps so that the fully compatible views have priority.
_overlapInfo[viewCompatible] = _overlapInfo[fullyCompatible];
_textureOverlaps[viewCompatible] = _textureOverlaps[fullyCompatible];
_overlapInfo[fullyCompatible] = new OverlapInfo(compatibility, firstLayer, firstLevel);
_textureOverlaps[fullyCompatible] = overlap;
}
fullyCompatible++;
}
viewCompatible++;
hasLayerViews |= overlap.Info.GetSlices() < texture.Info.GetSlices();
hasMipViews |= overlap.Info.Levels < texture.Info.Levels;
}
else
{
bool dataOverlaps = texture.DataOverlaps(overlap, compatibility);
if (!overlap.IsView && dataOverlaps && !incompatibleOverlaps.Exists(incompatible => incompatible.Group == overlap.Group))
{
incompatibleOverlaps.Add(new TextureIncompatibleOverlap(overlap.Group, compatibility));
}
bool removeOverlap;
bool modified = overlap.CheckModified(false);
if (overlapInCache || !setData)
{
if (!dataOverlaps)
{
// Allow textures to overlap if their data does not actually overlap.
// This typically happens when mip level subranges of a layered texture are used. (each texture fills the gaps of the others)
continue;
}
// The overlap texture is going to contain garbage data after we draw, or is generally incompatible.
// The texture group will obtain copy dependencies for any subresources that are compatible between the two textures,
// but sometimes its data must be flushed regardless.
// If the texture was modified since its last use, then that data is probably meant to go into this texture.
// If the data has been modified by the CPU, then it also shouldn't be flushed.
bool flush = overlapInCache && !modified && overlap.AlwaysFlushOnOverlap;
setData |= modified || flush;
if (overlapInCache)
{
_cache.Remove(overlap, flush);
}
removeOverlap = modified;
}
else
{
// If an incompatible overlapping texture has been modified, then it's data is likely destined for this texture,
// and the overlapped texture will contain garbage. In this case, it should be removed to save memory.
removeOverlap = modified;
}
if (removeOverlap && overlap.Info.Target != Target.TextureBuffer)
{
overlap.RemoveFromPools(false);
}
}
}
texture.InitializeGroup(hasLayerViews, hasMipViews, incompatibleOverlaps);
// We need to synchronize before copying the old view data to the texture,
// otherwise the copied data would be overwritten by a future synchronization.
texture.InitializeData(false, setData);
texture.Group.InitializeOverlaps();
for (int index = 0; index < viewCompatible; index++)
{
Texture overlap = _textureOverlaps[index];
OverlapInfo oInfo = _overlapInfo[index];
if (overlap.Group == texture.Group)
{
// If the texture group is equal, then this texture (or its parent) is already a view.
continue;
}
TextureInfo overlapInfo = AdjustSizes(texture, overlap.Info, oInfo.FirstLevel);
if (texture.ScaleFactor != overlap.ScaleFactor)
{
// A bit tricky, our new texture may need to contain an existing texture that is upscaled, but isn't itself.
// In that case, we prefer the higher scale only if our format is render-target-like, otherwise we scale the view down before copy.
texture.PropagateScale(overlap);
}
if (oInfo.Compatibility != TextureViewCompatibility.Full)
{
// Copy only compatibility, or target texture is already a view.
overlap.SynchronizeMemory();
texture.CreateCopyDependency(overlap, oInfo.FirstLayer, oInfo.FirstLevel, false);
}
else
{
TextureCreateInfo createInfo = GetCreateInfo(overlapInfo, _context.Capabilities, overlap.ScaleFactor);
ITexture newView = texture.HostTexture.CreateView(createInfo, oInfo.FirstLayer, oInfo.FirstLevel);
overlap.SynchronizeMemory();
overlap.HostTexture.CopyTo(newView, 0, 0);
overlap.ReplaceView(texture, overlapInfo, newView, oInfo.FirstLayer, oInfo.FirstLevel);
}
}
texture.SynchronizeMemory();
}
// Sampler textures are managed by the texture pool, all other textures
// are managed by the auto delete cache.
if (!isSamplerTexture)
{
_cache.Add(texture);
}
lock (_textures)
{
_textures.Add(texture);
}
if (partiallyMapped)
{
lock (_partiallyMappedTextures)
{
_partiallyMappedTextures.Add(texture);
}
}
ShrinkOverlapsBufferIfNeeded();
for (int i = 0; i < overlapsCount; i++)
{
_textureOverlaps[i].DecrementReferenceCount();
}
return(texture);
}
public static Texture2D Scale2D(this Texture2D texture, int newWidth, int newHeight, TextureScaleMode scaleMode)
{
Color[] curColors = texture.GetPixels();
Color[] newColors = new Color[newWidth * newHeight];
switch (scaleMode)
{
case TextureScaleMode.Bilinear:
newColors = BilinearScale(curColors, texture.width, texture.height, newWidth, newHeight);
break;
case TextureScaleMode.Point:
newColors = PointScale(curColors, texture.width, texture.height, newWidth, newHeight);
break;
}
texture.Resize(newWidth, newHeight);
texture.SetPixels(newColors);
texture.Apply();
return(texture);
}
/// <summary>
/// Tries to find an existing texture, or create a new one if not found.
/// </summary>
/// <param name="flags">The texture search flags, defines texture comparison rules</param>
/// <param name="info">Texture information of the texture to be found or created</param>
/// <param name="layerSize">Size in bytes of a single texture layer</param>
/// <param name="sizeHint">A hint indicating the minimum used size for the texture</param>
/// <param name="range">Optional ranges of physical memory where the texture data is located</param>
/// <returns>The texture</returns>
public Texture FindOrCreateTexture(TextureSearchFlags flags, TextureInfo info, int layerSize = 0, Size?sizeHint = null, MultiRange?range = null)
{
bool isSamplerTexture = (flags & TextureSearchFlags.ForSampler) != 0;
bool isScalable = IsUpscaleCompatible(info);
TextureScaleMode scaleMode = TextureScaleMode.Blacklisted;
if (isScalable)
{
scaleMode = (flags & TextureSearchFlags.WithUpscale) != 0 ? TextureScaleMode.Scaled : TextureScaleMode.Eligible;
}
ulong address;
if (range != null)
{
address = range.Value.GetSubRange(0).Address;
}
else
{
address = _context.MemoryManager.Translate(info.GpuAddress);
if (address == MemoryManager.PteUnmapped)
{
return(null);
}
}
int sameAddressOverlapsCount;
lock (_textures)
{
// Try to find a perfect texture match, with the same address and parameters.
sameAddressOverlapsCount = _textures.FindOverlaps(address, ref _textureOverlaps);
}
Texture texture = null;
TextureMatchQuality bestQuality = TextureMatchQuality.NoMatch;
for (int index = 0; index < sameAddressOverlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
bool rangeMatches = range != null?overlap.Range.Equals(range.Value) : overlap.Info.GpuAddress == info.GpuAddress;
if (!rangeMatches)
{
continue;
}
TextureMatchQuality matchQuality = overlap.IsExactMatch(info, flags);
if (matchQuality == TextureMatchQuality.Perfect)
{
texture = overlap;
break;
}
else if (matchQuality > bestQuality)
{
texture = overlap;
bestQuality = matchQuality;
}
}
if (texture != null)
{
if (!isSamplerTexture)
{
// If not a sampler texture, it is managed by the auto delete
// cache, ensure that it is on the "top" of the list to avoid
// deletion.
_cache.Lift(texture);
}
ChangeSizeIfNeeded(info, texture, isSamplerTexture, sizeHint);
texture.SynchronizeMemory();
return(texture);
}
// Calculate texture sizes, used to find all overlapping textures.
SizeInfo sizeInfo = info.CalculateSizeInfo(layerSize);
ulong size = (ulong)sizeInfo.TotalSize;
if (range == null)
{
range = _context.MemoryManager.GetPhysicalRegions(info.GpuAddress, size);
}
// Find view compatible matches.
int overlapsCount;
lock (_textures)
{
overlapsCount = _textures.FindOverlaps(range.Value, ref _textureOverlaps);
}
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
TextureViewCompatibility overlapCompatibility = overlap.IsViewCompatible(info, range.Value, out int firstLayer, out int firstLevel);
if (overlapCompatibility == TextureViewCompatibility.Full)
{
TextureInfo oInfo = AdjustSizes(overlap, info, firstLevel);
if (!isSamplerTexture)
{
info = oInfo;
}
texture = overlap.CreateView(oInfo, sizeInfo, range.Value, firstLayer, firstLevel);
if (overlap.IsModified)
{
texture.SignalModified();
}
ChangeSizeIfNeeded(info, texture, isSamplerTexture, sizeHint);
break;
}
else if (overlapCompatibility == TextureViewCompatibility.CopyOnly)
{
// TODO: Copy rules for targets created after the container texture. See below.
overlap.DisableMemoryTracking();
}
}
// No match, create a new texture.
if (texture == null)
{
texture = new Texture(_context, info, sizeInfo, range.Value, scaleMode);
// Step 1: Find textures that are view compatible with the new texture.
// Any textures that are incompatible will contain garbage data, so they should be removed where possible.
int viewCompatible = 0;
bool setData = isSamplerTexture || overlapsCount == 0 || flags.HasFlag(TextureSearchFlags.ForCopy);
for (int index = 0; index < overlapsCount; index++)
{
Texture overlap = _textureOverlaps[index];
bool overlapInCache = overlap.CacheNode != null;
TextureViewCompatibility compatibility = texture.IsViewCompatible(overlap.Info, overlap.Range, out int firstLayer, out int firstLevel);
if (compatibility != TextureViewCompatibility.Incompatible)
{
if (_overlapInfo.Length != _textureOverlaps.Length)
{
Array.Resize(ref _overlapInfo, _textureOverlaps.Length);
}
_overlapInfo[viewCompatible] = new OverlapInfo(compatibility, firstLayer, firstLevel);
_textureOverlaps[viewCompatible++] = overlap;
}
else if (overlapInCache || !setData)
{
if (info.GobBlocksInZ > 1 && info.GobBlocksInZ == overlap.Info.GobBlocksInZ)
{
// Allow overlapping slices of 3D textures. Could be improved in future by making sure the textures don't overlap.
continue;
}
// The overlap texture is going to contain garbage data after we draw, or is generally incompatible.
// If the texture cannot be entirely contained in the new address space, and one of its view children is compatible with us,
// it must be flushed before removal, so that the data is not lost.
// If the texture was modified since its last use, then that data is probably meant to go into this texture.
// If the data has been modified by the CPU, then it also shouldn't be flushed.
bool modified = overlap.ConsumeModified();
bool flush = overlapInCache && !modified && !texture.Range.Contains(overlap.Range) && overlap.HasViewCompatibleChild(texture);
setData |= modified || flush;
if (overlapInCache)
{
_cache.Remove(overlap, flush);
}
}
}
// We need to synchronize before copying the old view data to the texture,
// otherwise the copied data would be overwritten by a future synchronization.
texture.InitializeData(false, setData);
for (int index = 0; index < viewCompatible; index++)
{
Texture overlap = _textureOverlaps[index];
OverlapInfo oInfo = _overlapInfo[index];
if (oInfo.Compatibility != TextureViewCompatibility.Full)
{
continue; // Copy only compatibilty.
}
TextureInfo overlapInfo = AdjustSizes(texture, overlap.Info, oInfo.FirstLevel);
TextureCreateInfo createInfo = GetCreateInfo(overlapInfo, _context.Capabilities, overlap.ScaleFactor);
if (texture.ScaleFactor != overlap.ScaleFactor)
{
// A bit tricky, our new texture may need to contain an existing texture that is upscaled, but isn't itself.
// In that case, we prefer the higher scale only if our format is render-target-like, otherwise we scale the view down before copy.
texture.PropagateScale(overlap);
}
ITexture newView = texture.HostTexture.CreateView(createInfo, oInfo.FirstLayer, oInfo.FirstLevel);
overlap.HostTexture.CopyTo(newView, 0, 0);
// Inherit modification from overlapping texture, do that before replacing
// the view since the replacement operation removes it from the list.
if (overlap.IsModified)
{
texture.SignalModified();
}
overlap.ReplaceView(texture, overlapInfo, newView, oInfo.FirstLayer, oInfo.FirstLevel);
}
// If the texture is a 3D texture, we need to additionally copy any slice
// of the 3D texture to the newly created 3D texture.
if (info.Target == Target.Texture3D && viewCompatible > 0)
{
// TODO: This copy can currently only happen when the 3D texture is created.
// If a game clears and redraws the slices, we won't be able to copy the new data to the 3D texture.
// Disable tracking to try keep at least the original data in there for as long as possible.
texture.DisableMemoryTracking();
for (int index = 0; index < viewCompatible; index++)
{
Texture overlap = _textureOverlaps[index];
OverlapInfo oInfo = _overlapInfo[index];
if (oInfo.Compatibility != TextureViewCompatibility.Incompatible)
{
overlap.BlacklistScale();
overlap.HostTexture.CopyTo(texture.HostTexture, oInfo.FirstLayer, oInfo.FirstLevel);
if (overlap.IsModified)
{
texture.SignalModified();
}
}
}
}
}
// Sampler textures are managed by the texture pool, all other textures
// are managed by the auto delete cache.
if (!isSamplerTexture)
{
_cache.Add(texture);
}
lock (_textures)
{
_textures.Add(texture);
}
ShrinkOverlapsBufferIfNeeded();
return(texture);
}
/// <summary>
/// Draws a texture.
/// </summary>
/// <param name="texture">The texture to draw.</param>
/// <param name="position">The position where the texture will be drawn.</param>
/// <param name="color">The color to multiply with the colors of the texture. If unspecified the colors of the texture will be unchanged.</param>
/// <param name="size">The destination size of the texture. If unspecified the original texture size will be used.</param>
/// <param name="rotation">The amount the texture will be rotated clockwise (in degrees). If unspecified the texture will not be rotated.</param>
/// <param name="pivot">The offset from position to the pivot that the texture will be rotated about. If unspecified the center of the destination bounds will be used.</param>
/// <param name="mirror">The mirroring to apply to the texture. If unspecified the texture will not be mirrored.</param>
/// <param name="source">The source bounds of the texture to draw. If unspecified the entire texture will be drawn.</param>
/// <param name="blendMode">The blend mode to use when drawing the texture. If unspecified the texture will be drawn using the standard alpha-based blend mode.</param>
/// <param name="scaleMode">The scale mode to use when drawing the texture. If unspecified the texture will be linearly interpolated.</param>
public static void DrawTexture(Texture texture, Vector2 position, Color?color = null, Vector2?size = null, float rotation = 0, Vector2?pivot = null, TextureMirror mirror = TextureMirror.None, Bounds2?source = null, TextureBlendMode blendMode = TextureBlendMode.Normal, TextureScaleMode scaleMode = TextureScaleMode.Linear)
{
DrawTextureSetup(texture.Handle, color, blendMode, scaleMode);
SDL.SDL_Rect src;
SDL.SDL_Rect dest;
if (source.HasValue)
{
// Use the specified source coordinates:
src.x = (int)source.Value.Position.X;
src.y = (int)source.Value.Position.Y;
src.w = (int)source.Value.Size.X;
src.h = (int)source.Value.Size.Y;
dest.x = (int)position.X;
dest.y = (int)position.Y;
dest.w = src.w;
dest.h = src.h;
}
else
{
// Use the full texture as the source:
src.x = 0;
src.y = 0;
src.w = texture.Width;
src.h = texture.Height;
dest.x = (int)position.X;
dest.y = (int)position.Y;
dest.w = texture.Width;
dest.h = texture.Height;
}
// Apply the size override, if specified:
if (size.HasValue)
{
dest.w = (int)size.Value.X;
dest.h = (int)size.Value.Y;
}
// Apply the pivot override, if specified:
SDL.SDL_Point center;
if (pivot.HasValue)
{
center.x = (int)pivot.Value.X;
center.y = (int)pivot.Value.Y;
}
else
{
center.x = dest.w / 2;
center.y = dest.h / 2;
}
SDL.SDL_RenderCopyEx(Renderer, texture.Handle, ref src, ref dest, rotation, ref center, (SDL.SDL_RendererFlip)mirror);
}
// ======================================================================================
// Texture drawing
// ======================================================================================
private static void DrawTextureSetup(IntPtr textureHandle, Color?color, TextureBlendMode blendMode, TextureScaleMode scaleMode)
{
Color finalColor = color ?? Color.White;
SDL.SDL_SetTextureColorMod(textureHandle, finalColor.R, finalColor.G, finalColor.B);
SDL.SDL_SetTextureAlphaMod(textureHandle, finalColor.A);
SDL.SDL_SetTextureBlendMode(textureHandle, (SDL.SDL_BlendMode)blendMode);
SDL.SDL_SetTextureScaleMode(textureHandle, (SDL.SDL_ScaleMode)scaleMode);
}
/// <summary>
/// Draws a resizable texture.
/// See the documentation for an explanation of how resizable textures work.
/// </summary>
/// <param name="texture">The resizable texture to draw.</param>
/// <param name="bounds">The bounds that the texture should be resized to.</param>
/// <param name="color">The color to multiply with the colors of the texture. If unspecified the colors of the texture will be unchanged.</param>
/// <param name="blendMode">The blend mode to use when drawing the texture. If unspecified the texture will be drawn using the standard alpha-based blend mode.</param>
/// <param name="scaleMode">The scale mode to use when drawing the texture. If unspecified the texture will be linearly interpolated.</param>
public static void DrawResizableTexture(ResizableTexture texture, Bounds2 bounds, Color?color = null, TextureBlendMode blendMode = TextureBlendMode.Normal, TextureScaleMode scaleMode = TextureScaleMode.Linear)
{
DrawTextureSetup(texture.Handle, color, blendMode, scaleMode);
/*
* 0 bxmin bxmax txmax
* v v v v
* +----|-------------|----+ < tymax
* | 1 | 5 | 2 |
* -----+-------------+----- < bymax
* | | | |
* | | | |
* | 6 | 9 | 7 |
* | | | |
* | | | |
* -----+-------------+----- < bymin
* | 3 | 8 | 4 |
* +----|-------------|----+ < 0
*/
int bxmin = texture.LeftOffset;
int bxmax = texture.RightOffset;
int bymin = texture.TopOffset;
int bymax = texture.BottomOffset;
int txmax = texture.Width;
int tymax = texture.Height;
int px = (int)bounds.Position.X;
int py = (int)bounds.Position.Y;
// Don't let the overall size be so small that segment 9 has a negative size in either dimension:
int sx = Math.Max((int)bounds.Size.X, txmax - bxmax + bxmin);
int sy = Math.Max((int)bounds.Size.Y, tymax - bymax + bymin);
// Draw each of the nine segments:
DrawResizableTextureSegment(texture, 0, 0, bxmin, bymin, px, py, bxmin, bymin);
DrawResizableTextureSegment(texture, bxmax, 0, txmax - bxmax, bymin, px + sx - (txmax - bxmax), py, txmax - bxmax, bymin);
DrawResizableTextureSegment(texture, 0, bymax, bxmin, tymax - bymax, px, py + sy - (tymax - bymax), bxmin, tymax - bymax);
DrawResizableTextureSegment(texture, bxmax, bymax, txmax - bxmax, tymax - bymax, px + sx - (txmax - bxmax), py + sy - (tymax - bymax), txmax - bxmax, tymax - bymax);
DrawResizableTextureSegment(texture, bxmin, 0, bxmax - bxmin, bymin, px + bxmin, py, sx - bxmin - (txmax - bxmax), bymin);
DrawResizableTextureSegment(texture, 0, bymin, bxmin, bymax - bymin, px, py + bymin, bxmin, sy - bymin - (tymax - bymax));
DrawResizableTextureSegment(texture, bxmax, bymin, txmax - bxmax, bymax - bymin, px + sx - (txmax - bxmax), py + bymin, txmax - bxmax, sy - bymin - (tymax - bymax));
DrawResizableTextureSegment(texture, bxmin, bymax, bxmax - bxmin, tymax - bymax, px + bxmin, py + sy - (tymax - bymax), sx - bxmin - (txmax - bxmax), tymax - bymax);
DrawResizableTextureSegment(texture, bxmin, bymin, bxmax - bxmin, bymax - bymin, px + bxmin, py + bymin, sx - bxmin - (txmax - bxmax), sy - bymin - (tymax - bymax));
}
