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Merge pull request #4489 from stenzek/vulkan-minor-fixes

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Vulkan: Minor fixes
This commit is contained in:
Stenzek
2016-12-05 12:19:49 +10:00
committed by GitHub
parent 15e2133ce7 8f97a24904
commit bff394ec8a
6 changed files with 56 additions and 32 deletions
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9
Source/Core/VideoBackends/Vulkan/Renderer.cpp
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@ -667,8 +667,15 @@ void Renderer::DrawScreen(const EFBRectangle& source_rect, u32 xfb_addr,
VkResult res = m_swap_chain->AcquireNextImage(m_image_available_semaphore);
if (res == VK_SUBOPTIMAL_KHR || res == VK_ERROR_OUT_OF_DATE_KHR)
{
// Window has been resized. Update the swap chain and try again.
// There's an issue here. We can't resize the swap chain while the GPU is still busy with it,
// but calling WaitForGPUIdle would create a deadlock as PrepareToSubmitCommandBuffer has been
// called by SwapImpl. WaitForGPUIdle waits on the semaphore, which PrepareToSubmitCommandBuffer
// has already done, so it blocks indefinitely. To work around this, we submit the current
// command buffer, resize the swap chain (which calls WaitForGPUIdle), and then finally call
// PrepareToSubmitCommandBuffer to return to the state that the caller expects.
g_command_buffer_mgr->SubmitCommandBuffer(false);
ResizeSwapChain();
g_command_buffer_mgr->PrepareToSubmitCommandBuffer();
res = m_swap_chain->AcquireNextImage(m_image_available_semaphore);
}
if (res != VK_SUCCESS)