diff options
| author | Stenzek <stenzek@gmail.com> | 2016-02-17 02:44:17 +1000 |
|---|---|---|
| committer | Stenzek <stenzek@gmail.com> | 2016-02-28 17:18:38 +1000 |
| commit | 2f7870b04608e82f5995cd75e53a7eade5cedc73 (patch) | |
| tree | dfe1245ae83f71025456f14443a6b14e868223e2 /Source/Core/VideoBackends | |
| parent | 31bc0cf2c3d8995763fac0d1b04bfd83196b3d2a (diff) | |
D3D12: Don't add fence tracking entries without buffer offset changes
Diffstat (limited to 'Source/Core/VideoBackends')
| -rw-r--r-- | Source/Core/VideoBackends/D3D12/D3DStreamBuffer.cpp | 15 | ||||
| -rw-r--r-- | Source/Core/VideoBackends/D3D12/D3DStreamBuffer.h | 2 |
2 files changed, 15 insertions, 2 deletions
diff --git a/Source/Core/VideoBackends/D3D12/D3DStreamBuffer.cpp b/Source/Core/VideoBackends/D3D12/D3DStreamBuffer.cpp index fa91352b99..aa868b0004 100644 --- a/Source/Core/VideoBackends/D3D12/D3DStreamBuffer.cpp +++ b/Source/Core/VideoBackends/D3D12/D3DStreamBuffer.cpp @@ -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) diff --git a/Source/Core/VideoBackends/D3D12/D3DStreamBuffer.h b/Source/Core/VideoBackends/D3D12/D3DStreamBuffer.h index 897e30a66d..e931904fbd 100644 --- a/Source/Core/VideoBackends/D3D12/D3DStreamBuffer.h +++ b/Source/Core/VideoBackends/D3D12/D3DStreamBuffer.h @@ -39,6 +39,8 @@ private: bool AttemptToFindExistingFenceToStallOn(size_t allocation_size); void UpdateGPUProgress(); + + bool HasBufferOffsetChangedSinceLastFence() const; void QueueFence(UINT64 fence_value); struct FenceTrackingInformation |