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add debug check for zero length buffer copy

remotes/1695061714407202320/main
cosmonaut 2023-08-07 10:12:46 -07:00
parent f298a5ec11
commit 088e7c4b6f
1 changed files with 23 additions and 11 deletions
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34
src/Graphics/CommandBuffer.cs
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@ -1718,10 +1718,6 @@ namespace MoonWorks.Graphics
uint bufferOffsetInBytes = 0
) where T : unmanaged
{
#if DEBUG
AssertRenderPassInactive("Cannot copy during render pass!");
#endif
SetBufferData(
buffer,
data,
@ -1770,6 +1766,7 @@ namespace MoonWorks.Graphics
{
#if DEBUG
AssertRenderPassInactive("Cannot copy during render pass!");
AssertNonEmptyCopy(dataLengthInBytes);
#endif
Refresh.Refresh_SetBufferData(
@ -1799,13 +1796,15 @@ namespace MoonWorks.Graphics
uint numElements
) where T : unmanaged
{
var elementSize = Marshal.SizeOf<T>();
var dataLengthInBytes = (uint) (elementSize * numElements);
var dataOffsetInBytes = (int) startElement * elementSize;
#if DEBUG
AssertRenderPassInactive("Cannot copy during render pass!");
AssertNonEmptyCopy(dataLengthInBytes);
#endif
var elementSize = Marshal.SizeOf<T>();
var dataOffsetInBytes = (int) startElement * elementSize;
fixed (T* ptr = data)
{
Refresh.Refresh_SetBufferData(
@ -1814,7 +1813,7 @@ namespace MoonWorks.Graphics
buffer.Handle,
bufferOffsetInBytes,
(IntPtr) ptr + dataOffsetInBytes,
(uint) (numElements * elementSize)
dataLengthInBytes
);
}
}
@ -1844,18 +1843,23 @@ namespace MoonWorks.Graphics
IntPtr dataPtr,
uint bufferOffsetInElements,
uint numElements
) where T : unmanaged {
) where T : unmanaged
{
var elementSize = Marshal.SizeOf<T>();
var dataLengthInBytes = (uint) (elementSize * numElements);
#if DEBUG
AssertRenderPassInactive("Cannot copy during render pass!");
AssertNonEmptyCopy((uint) (elementSize * numElements));
#endif
Refresh.Refresh_SetBufferData(
Device.Handle,
Handle,
buffer.Handle,
(uint) Marshal.SizeOf<T>() * bufferOffsetInElements,
(uint) elementSize * bufferOffsetInElements,
dataPtr,
(uint) Marshal.SizeOf<T>() * numElements
dataLengthInBytes
);
}
@ -2197,6 +2201,14 @@ namespace MoonWorks.Graphics
throw new System.ArgumentException("The bound Texture's UsageFlags must include TextureUsageFlags.Sampler!");
}
}
private void AssertNonEmptyCopy(uint dataLengthInBytes)
{
if (dataLengthInBytes == 0)
{
throw new System.InvalidOperationException("SetBufferData must have a length greater than 0 bytes!");
}
}
#endif
}
}