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D3D12: Don't add fence tracking entries without buffer offset changes

This commit is contained in:
Stenzek 2016-02-17 02:44:17 +10:00
parent 31bc0cf2c3
commit 2f7870b046
2 changed files with 15 additions and 2 deletions
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15
Source/Core/VideoBackends/D3D12/D3DStreamBuffer.cpp
View File

@ -293,7 +293,7 @@ void D3DStreamBuffer::UpdateGPUProgress()
m_queued_fences.pop();
// Has fence gone past this point?
if (fence_value > tracking_information.fence_value)
if (fence_value >= tracking_information.fence_value)
{
m_buffer_gpu_completion_offset = tracking_information.buffer_offset;
}
@ -307,7 +307,18 @@ void D3DStreamBuffer::UpdateGPUProgress()
void D3DStreamBuffer::QueueFenceCallback(void* owning_object, UINT64 fence_value)
{
reinterpret_cast<D3DStreamBuffer*>(owning_object)->QueueFence(fence_value);
D3DStreamBuffer* owning_stream_buffer = reinterpret_cast<D3DStreamBuffer*>(owning_object);
if (owning_stream_buffer->HasBufferOffsetChangedSinceLastFence())
owning_stream_buffer->QueueFence(fence_value);
}
bool D3DStreamBuffer::HasBufferOffsetChangedSinceLastFence() const
{
if (m_queued_fences.empty())
return true;
// Don't add a new fence tracking entry when our offset hasn't changed.
return (m_queued_fences.back().buffer_offset != m_buffer_offset);
}
void D3DStreamBuffer::QueueFence(UINT64 fence_value)

2
Source/Core/VideoBackends/D3D12/D3DStreamBuffer.h
View File

@ -39,6 +39,8 @@ private:
bool AttemptToFindExistingFenceToStallOn(size_t allocation_size);
void UpdateGPUProgress();
bool HasBufferOffsetChangedSinceLastFence() const;
void QueueFence(UINT64 fence_value);
struct FenceTrackingInformation