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Update render graph

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Misaki
2026-01-13 13:46:50 +09:00
parent 954e3756aa
commit 02df8d7732
11 changed files with 291 additions and 261 deletions
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124
Ghost.RenderGraph.Concept/RenderGraphAliasing.cs
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@@ -7,54 +7,54 @@ namespace Ghost.RenderGraph.Concept;
/// </summary>
internal sealed class PhysicalResource
{
public int Index;
public int Width;
public int Height;
public TextureFormat Format;
public int SizeInBytes;
public int index;
public int width;
public int height;
public TextureFormat format;
public int sizeInBytes;
// Lifetime tracking
public int FirstUsePass = int.MaxValue;
public int LastUsePass = -1;
public int firstUsePass = int.MaxValue;
public int lastUsePass = -1;
// Aliasing tracking
public readonly List<int> AliasedLogicalResources = new(4);
public readonly List<int> aliasedLogicalResources = new(4);
public void Reset()
{
Index = -1;
Width = 0;
Height = 0;
Format = TextureFormat.RGBA8;
SizeInBytes = 0;
FirstUsePass = int.MaxValue;
LastUsePass = -1;
AliasedLogicalResources.Clear();
index = -1;
width = 0;
height = 0;
format = TextureFormat.RGBA8;
sizeInBytes = 0;
firstUsePass = int.MaxValue;
lastUsePass = -1;
aliasedLogicalResources.Clear();
}
public bool CanAlias(TextureDescriptor descriptor)
{
// For aliasing, resources must be identical in size and format
// In a real implementation, you could be more flexible (e.g., same size but different format)
return Width == descriptor.Width &&
Height == descriptor.Height &&
Format == descriptor.Format;
return width == descriptor.width &&
height == descriptor.height &&
format == descriptor.format;
}
public void UpdateLifetime(int passIndex)
{
FirstUsePass = Math.Min(FirstUsePass, passIndex);
LastUsePass = Math.Max(LastUsePass, passIndex);
firstUsePass = Math.Min(firstUsePass, passIndex);
lastUsePass = Math.Max(lastUsePass, passIndex);
}
public bool IsAliveAt(int passIndex)
{
return passIndex >= FirstUsePass && passIndex <= LastUsePass;
return passIndex >= firstUsePass && passIndex <= lastUsePass;
}
public int CalculateSize()
{
int bytesPerPixel = Format switch
int bytesPerPixel = format switch
{
TextureFormat.RGBA8 => 4,
TextureFormat.RGBA16F => 8,
@@ -63,7 +63,7 @@ internal sealed class PhysicalResource
TextureFormat.Depth24Stencil8 => 4,
_ => 4
};
return Width * Height * bytesPerPixel;
return width * height * bytesPerPixel;
}
}
@@ -109,21 +109,21 @@ internal sealed class ResourceAliasingManager
for (int i = 0; i < registry.TextureResourceCount; i++)
{
var resource = registry.GetTextureResourceByIndex(i);
if (!resource.IsImported) // Don't alias imported resources
if (!resource.isImported) // Don't alias imported resources
{
logicalResources.Add((i, resource));
#if DEBUG
int size = CalculateSize(resource.Descriptor);
int size = CalculateSize(resource.descriptor);
totalLogicalSize += size;
Console.WriteLine($"Logical Resource {i}: {resource.Descriptor.Name}");
Console.WriteLine($" Lifetime: Pass {resource.FirstUsePass} -> {resource.LastUsePass}");
Console.WriteLine($"Logical Resource {i}: {resource.descriptor.name}");
Console.WriteLine($" Lifetime: Pass {resource.firstUsePass} -> {resource.lastUsePass}");
Console.WriteLine($" Size: {size / 1024.0:F2} KB");
#endif
}
}
// Sort by first use pass (earlier resources first)
logicalResources.Sort((a, b) => a.resource.FirstUsePass.CompareTo(b.resource.FirstUsePass));
logicalResources.Sort((a, b) => a.resource.firstUsePass.CompareTo(b.resource.firstUsePass));
// Greedy interval scheduling: assign each logical resource to a physical resource
foreach (var (logicalIndex, logicalResource) in logicalResources)
@@ -137,7 +137,7 @@ internal sealed class ResourceAliasingManager
{
var physical = _physicalResources[i];
if (physical.CanAlias(logicalResource.Descriptor) &&
if (physical.CanAlias(logicalResource.descriptor) &&
!HasLifetimeOverlap(physical, logicalResource))
{
assignedPhysical = physical;
@@ -149,40 +149,40 @@ internal sealed class ResourceAliasingManager
if (assignedPhysical == null)
{
assignedPhysical = GetOrCreatePhysicalResource();
assignedPhysical.Index = _physicalResourceCount - 1;
assignedPhysical.Width = logicalResource.Descriptor.Width;
assignedPhysical.Height = logicalResource.Descriptor.Height;
assignedPhysical.Format = logicalResource.Descriptor.Format;
assignedPhysical.SizeInBytes = assignedPhysical.CalculateSize();
assignedPhysical.index = _physicalResourceCount - 1;
assignedPhysical.width = logicalResource.descriptor.width;
assignedPhysical.height = logicalResource.descriptor.height;
assignedPhysical.format = logicalResource.descriptor.format;
assignedPhysical.sizeInBytes = assignedPhysical.CalculateSize();
#if DEBUG
Console.WriteLine($"\nAllocated NEW Physical Resource {assignedPhysical.Index}:");
Console.WriteLine($" Size: {assignedPhysical.Width}x{assignedPhysical.Height}");
Console.WriteLine($" Format: {assignedPhysical.Format}");
Console.WriteLine($" Memory: {assignedPhysical.SizeInBytes / 1024.0:F2} KB");
Console.WriteLine($"\nAllocated NEW Physical Resource {assignedPhysical.index}:");
Console.WriteLine($" Size: {assignedPhysical.width}x{assignedPhysical.height}");
Console.WriteLine($" Format: {assignedPhysical.format}");
Console.WriteLine($" Memory: {assignedPhysical.sizeInBytes / 1024.0:F2} KB");
#endif
}
#if DEBUG
else
{
Console.WriteLine($"\nALIASING: {logicalResource.Descriptor.Name} -> Physical Resource {assignedPhysical.Index}");
Console.WriteLine($"\nALIASING: {logicalResource.descriptor.name} -> Physical Resource {assignedPhysical.index}");
}
#endif
// Update physical resource lifetime
assignedPhysical.UpdateLifetime(logicalResource.FirstUsePass);
assignedPhysical.UpdateLifetime(logicalResource.LastUsePass);
assignedPhysical.AliasedLogicalResources.Add(logicalIndex);
assignedPhysical.UpdateLifetime(logicalResource.firstUsePass);
assignedPhysical.UpdateLifetime(logicalResource.lastUsePass);
assignedPhysical.aliasedLogicalResources.Add(logicalIndex);
// Record the mapping
_logicalToPhysical[logicalIndex] = assignedPhysical.Index;
_logicalToPhysical[logicalIndex] = assignedPhysical.index;
}
#if DEBUG
int totalPhysicalSize = 0;
for (int i = 0; i < _physicalResourceCount; i++)
{
totalPhysicalSize += _physicalResources[i].SizeInBytes;
totalPhysicalSize += _physicalResources[i].sizeInBytes;
}
Console.WriteLine($"\n=== Aliasing Summary ===");
@@ -213,8 +213,8 @@ internal sealed class ResourceAliasingManager
{
// Check if the lifetimes overlap
// No overlap if: logical.First > physical.Last OR logical.Last < physical.First
return !(logical.FirstUsePass > physical.LastUsePass ||
logical.LastUsePass < physical.FirstUsePass);
return !(logical.firstUsePass > physical.lastUsePass ||
logical.lastUsePass < physical.firstUsePass);
}
private PhysicalResource GetOrCreatePhysicalResource()
@@ -238,7 +238,7 @@ internal sealed class ResourceAliasingManager
private static int CalculateSize(TextureDescriptor descriptor)
{
int bytesPerPixel = descriptor.Format switch
int bytesPerPixel = descriptor.format switch
{
TextureFormat.RGBA8 => 4,
TextureFormat.RGBA16F => 8,
@@ -247,7 +247,7 @@ internal sealed class ResourceAliasingManager
TextureFormat.Depth24Stencil8 => 4,
_ => 4
};
return descriptor.Width * descriptor.Height * bytesPerPixel;
return descriptor.width * descriptor.height * bytesPerPixel;
}
public void Clear()
@@ -290,13 +290,13 @@ internal sealed class ResourceAliasingManager
}
var data = physicalData[i];
physical.Index = data.Index;
physical.Width = data.Width;
physical.Height = data.Height;
physical.Format = data.Format;
physical.FirstUsePass = data.FirstUsePass;
physical.LastUsePass = data.LastUsePass;
physical.SizeInBytes = physical.CalculateSize();
physical.index = data.index;
physical.width = data.width;
physical.height = data.height;
physical.format = data.format;
physical.firstUsePass = data.firstUsePass;
physical.lastUsePass = data.lastUsePass;
physical.sizeInBytes = physical.CalculateSize();
}
}
@@ -317,12 +317,12 @@ internal sealed class ResourceAliasingManager
var physical = _physicalResources[i];
outPhysicalData.Add(new PhysicalResourceData
{
Index = physical.Index,
Width = physical.Width,
Height = physical.Height,
Format = physical.Format,
FirstUsePass = physical.FirstUsePass,
LastUsePass = physical.LastUsePass
index = physical.index,
width = physical.width,
height = physical.height,
format = physical.format,
firstUsePass = physical.firstUsePass,
lastUsePass = physical.lastUsePass
});
}
}