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Fix MeshAccessor to validate buffer existence in C# API

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This commit is contained in:
Wojtek Figat
2026-03-26 15:33:14 +01:00
parent e624e1ba69
commit ccc8d209da
1 changed files with 76 additions and 0 deletions
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76
Source/Engine/Graphics/Models/MeshAccessor.cs
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@@ -76,6 +76,10 @@ namespace FlaxEngine
/// <returns>Loaded value.</returns>
public int GetInt(int index)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
fixed (byte* data = _data)
return (int)_sampler.Read(data + index * _stride).X;
}
@@ -87,6 +91,10 @@ namespace FlaxEngine
/// <returns>Loaded value.</returns>
public float GetFloat(int index)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
fixed (byte* data = _data)
return _sampler.Read(data + index * _stride).X;
}
@@ -98,6 +106,10 @@ namespace FlaxEngine
/// <returns>Loaded value.</returns>
public Float2 GetFloat2(int index)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
fixed (byte* data = _data)
return new Float2(_sampler.Read(data + index * _stride));
}
@@ -109,6 +121,10 @@ namespace FlaxEngine
/// <returns>Loaded value.</returns>
public Float3 GetFloat3(int index)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
fixed (byte* data = _data)
return new Float3(_sampler.Read(data + index * _stride));
}
@@ -120,6 +136,10 @@ namespace FlaxEngine
/// <returns>Loaded value.</returns>
public Float4 GetFloat4(int index)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
fixed (byte* data = _data)
return _sampler.Read(data + index * _stride);
}
@@ -131,6 +151,10 @@ namespace FlaxEngine
/// <param name="value">Value to assign.</param>
public void SetInt(int index, int value)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
var v = new Float4(value);
fixed (byte* data = _data)
_sampler.Write(data + index * _stride, ref v);
@@ -143,6 +167,10 @@ namespace FlaxEngine
/// <param name="value">Value to assign.</param>
public void SetFloat(int index, float value)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
var v = new Float4(value);
fixed (byte* data = _data)
_sampler.Write(data + index * _stride, ref v);
@@ -155,6 +183,10 @@ namespace FlaxEngine
/// <param name="value">Value to assign.</param>
public void SetFloat2(int index, Float2 value)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
var v = new Float4(value, 0.0f, 0.0f);
fixed (byte* data = _data)
_sampler.Write(data + index * _stride, ref v);
@@ -167,6 +199,10 @@ namespace FlaxEngine
/// <param name="value">Value to assign.</param>
public void SetFloat3(int index, Float3 value)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
var v = new Float4(value, 0.0f);
fixed (byte* data = _data)
_sampler.Write(data + index * _stride, ref v);
@@ -179,6 +215,10 @@ namespace FlaxEngine
/// <param name="value">Value to assign.</param>
public void SetFloat4(int index, Float4 value)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
fixed (byte* data = _data)
_sampler.Write(data + index * _stride, ref value);
}
@@ -190,6 +230,10 @@ namespace FlaxEngine
/// <param name="data">Pointer to the source data.</param>
public void SetLinear(IntPtr data)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
new Span<byte>(data.ToPointer(), _data.Length).CopyTo(_data);
}
@@ -199,6 +243,10 @@ namespace FlaxEngine
/// <param name="src">The source <see cref="T:System.Span`1"/>.</param>
public void Set(Span<Float2> src)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
if (IsLinear(PixelFormat.R32G32_Float))
{
src.CopyTo(MemoryMarshal.Cast<byte, Float2>(_data));
@@ -223,6 +271,10 @@ namespace FlaxEngine
/// <param name="src">The source <see cref="T:System.Span`1"/>.</param>
public void Set(Span<Float3> src)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
if (IsLinear(PixelFormat.R32G32B32_Float))
{
src.CopyTo(MemoryMarshal.Cast<byte, Float3>(_data));
@@ -247,6 +299,10 @@ namespace FlaxEngine
/// <param name="src">The source <see cref="T:System.Span`1"/>.</param>
public void Set(Span<Color> src)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
if (IsLinear(PixelFormat.R32G32B32A32_Float))
{
src.CopyTo(MemoryMarshal.Cast<byte, Color>(_data));
@@ -271,6 +327,10 @@ namespace FlaxEngine
/// <param name="src">The source <see cref="T:System.Span`1"/>.</param>
public void Set(Span<uint> src)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
if (IsLinear(PixelFormat.R32_UInt))
{
src.CopyTo(MemoryMarshal.Cast<byte, uint>(_data));
@@ -304,6 +364,10 @@ namespace FlaxEngine
/// <param name="dst">The destination <see cref="T:System.Span`1" />.</param>
public void CopyTo(Span<Float2> dst)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
if (IsLinear(PixelFormat.R32G32_Float))
{
_data.CopyTo(MemoryMarshal.Cast<Float2, byte>(dst));
@@ -325,6 +389,10 @@ namespace FlaxEngine
/// <param name="dst">The destination <see cref="T:System.Span`1" />.</param>
public void CopyTo(Span<Float3> dst)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
if (IsLinear(PixelFormat.R32G32B32_Float))
{
_data.CopyTo(MemoryMarshal.Cast<Float3, byte>(dst));
@@ -346,6 +414,10 @@ namespace FlaxEngine
/// <param name="dst">The destination <see cref="T:System.Span`1" />.</param>
public void CopyTo(Span<Color> dst)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
if (IsLinear(PixelFormat.R32G32B32A32_Float))
{
_data.CopyTo(MemoryMarshal.Cast<Color, byte>(dst));
@@ -367,6 +439,10 @@ namespace FlaxEngine
/// <param name="dst">The destination <see cref="T:System.Span`1" />.</param>
public void CopyTo(Span<uint> dst)
{
#if !BUILD_RELEASE
if (_data == null)
throw new NullReferenceException("Missing stream data. Ensure to allocate mesh buffer or check for its existence.");
#endif
if (IsLinear(PixelFormat.R32_UInt))
{
_data.CopyTo(MemoryMarshal.Cast<uint, byte>(dst));