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Optimize texture data async upload during rendering

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This commit is contained in:
Wojciech Figat
2022-02-09 10:01:21 +01:00
parent 9a4aa20bbb
commit 1168176016
1 changed files with 19 additions and 1 deletions
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20
Source/Engine/Graphics/Textures/GPUTexture.cpp
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@@ -607,7 +607,25 @@ GPUTask* GPUTexture::UploadMipMapAsync(const BytesContainer& data, int32 mipInde
ASSERT(IsAllocated());
ASSERT(mipIndex < MipLevels() && data.IsValid());
ASSERT(data.Length() >= slicePitch);
// TODO: support texture data upload to the GPU on a main thread during rendering without this async task (faster direct upload)
// Optimize texture upload invoked during rendering
if (IsInMainThread() && GPUDevice::Instance->IsRendering())
{
// Update all array slices
const byte* dataSource = data.Get();
for (int32 arrayIndex = 0; arrayIndex < _desc.ArraySize; arrayIndex++)
{
GPUDevice::Instance->GetMainContext()->UpdateTexture(this, arrayIndex, mipIndex, dataSource, rowPitch, slicePitch);
dataSource += slicePitch;
}
if (mipIndex == HighestResidentMipIndex() - 1)
{
// Mark as mip loaded
SetResidentMipLevels(ResidentMipLevels() + 1);
}
return nullptr;
}
auto task = ::New<GPUUploadTextureMipTask>(this, mipIndex, data, rowPitch, slicePitch, copyData);
ASSERT_LOW_LAYER(task && task->HasReference(this));
return task;