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Work around NV driver bug on D3D11 copying from >2GB buffer

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baldurk
2022-07-07 13:52:47 +01:00
parent 6d7832df6f
commit c395bb2cff
1 changed files with 7 additions and 3 deletions
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renderdoc/driver/d3d11/d3d11_postvs.cpp
+7 -3
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@@ -75,7 +75,10 @@ void D3D11Replay::CreateSOBuffers()
SAFE_RELEASE(m_SOBuffer);
SAFE_RELEASE(m_SOStagingBuffer);
if(m_SOBufferSize > 0xFFFF0000ULL)
if(m_SOBufferSize > 0xFFFF0000ULL ||
// workaround nv driver bug, it crashes copying with an offset over 2GB (which we need for
// readback). Treat this as an OOM scenario
(m_DriverInfo.vendor == GPUVendor::nVidia && m_SOBufferSize > 0x80000000ULL))
{
RDCERR("Can't resize stream-out buffer to larger than 4GB, needed %llu bytes.", m_SOBufferSize);
SAFE_RELEASE(m_SOBuffer);
@@ -835,8 +838,9 @@ void D3D11Replay::InitPostVSBuffers(uint32_t eventId)
if(!m_SOStagingBuffer)
{
ret.vsout.status = StringFormat::Fmt(
"Vertex output generated %llu bytes of data which ran out of memory", newSize);
ret.gsout.status = StringFormat::Fmt(
"Geometry/tessellation output generated %llu bytes of data which ran out of memory",
newSize);
return;
}