Philip Rebohle : dxgi: Signal the frame latency event on present.
Alexandre Julliard
julliard at winehq.org
Fri Apr 17 16:12:58 CDT 2020
Module: wine
Branch: master
Commit: 154ce70b5c3cc4ef573d82378e746fe895a7262d
URL: https://source.winehq.org/git/wine.git/?a=commit;h=154ce70b5c3cc4ef573d82378e746fe895a7262d
Author: Philip Rebohle <philip.rebohle at tu-dortmund.de>
Date: Fri Apr 17 20:39:14 2020 +0430
dxgi: Signal the frame latency event on present.
Signed-off-by: Philip Rebohle <philip.rebohle at tu-dortmund.de>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/dxgi/swapchain.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/dlls/dxgi/swapchain.c b/dlls/dxgi/swapchain.c
index 0cb7d922f4..40accb2a93 100644
--- a/dlls/dxgi/swapchain.c
+++ b/dlls/dxgi/swapchain.c
@@ -1097,6 +1097,9 @@ struct d3d12_swapchain
ID3D12Fence *frame_latency_fence;
HANDLE frame_latency_event;
+
+ uint64_t frame_number;
+ uint32_t frame_latency;
};
static DXGI_FORMAT dxgi_format_from_vk_format(VkFormat vk_format)
@@ -2104,6 +2107,7 @@ static VkResult d3d12_swapchain_queue_present(struct d3d12_swapchain *swapchain,
static HRESULT d3d12_swapchain_present(struct d3d12_swapchain *swapchain,
unsigned int sync_interval, unsigned int flags)
{
+ HANDLE frame_latency_event;
VkQueue vk_queue;
VkResult vr;
HRESULT hr;
@@ -2166,6 +2170,25 @@ static HRESULT d3d12_swapchain_present(struct d3d12_swapchain *swapchain,
return hresult_from_vk_result(vr);
}
+ if ((frame_latency_event = swapchain->frame_latency_event))
+ {
+ ++swapchain->frame_number;
+
+ if (FAILED(hr = ID3D12CommandQueue_Signal(swapchain->command_queue,
+ swapchain->frame_latency_fence, swapchain->frame_number)))
+ {
+ ERR("Failed to signal frame latency fence, hr %#x.\n", hr);
+ return hr;
+ }
+
+ if (FAILED(hr = ID3D12Fence_SetEventOnCompletion(swapchain->frame_latency_fence,
+ swapchain->frame_number - swapchain->frame_latency, frame_latency_event)))
+ {
+ ERR("Failed to enqueue frame latency event, hr %#x.\n", hr);
+ return hr;
+ }
+ }
+
swapchain->current_buffer_index = (swapchain->current_buffer_index + 1) % swapchain->desc.BufferCount;
vr = d3d12_swapchain_acquire_next_back_buffer(swapchain);
if (vr == VK_ERROR_OUT_OF_DATE_KHR)
@@ -2994,6 +3017,9 @@ static HRESULT d3d12_swapchain_init(struct d3d12_swapchain *swapchain, IWineDXGI
if (swapchain_desc->Flags & DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT)
{
+ swapchain->frame_number = DXGI_MAX_SWAP_CHAIN_BUFFERS;
+ swapchain->frame_latency = 1;
+
if (FAILED(hr = ID3D12Device_CreateFence(device, DXGI_MAX_SWAP_CHAIN_BUFFERS,
0, &IID_ID3D12Fence, (void **)&swapchain->frame_latency_fence)))
{
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