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- slightly adjust AcquireImage to avoid border cases in the spec

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This commit is contained in:
Magnus Norddahl 2019-04-11 05:28:37 +02:00
parent a0f618311a
commit 59904faff4
1 changed files with 14 additions and 6 deletions
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20
src/rendering/vulkan/system/vk_swapchain.cpp
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@ -40,15 +40,23 @@ uint32_t VulkanSwapChain::AcquireImage(int width, int height, VulkanSemaphore *s
} }
VkResult result = vkAcquireNextImageKHR(device->device, swapChain, 1'000'000'000, semaphore ? semaphore->semaphore : VK_NULL_HANDLE, fence ? fence->fence : VK_NULL_HANDLE, &imageIndex); VkResult result = vkAcquireNextImageKHR(device->device, swapChain, 1'000'000'000, semaphore ? semaphore->semaphore : VK_NULL_HANDLE, fence ? fence->fence : VK_NULL_HANDLE, &imageIndex);
if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR || result == VK_TIMEOUT) if (result == VK_SUCCESS)
{
Recreate();
}
else if (result == VK_SUCCESS)
{ {
break; break;
} }
else if (result == VK_NOT_READY) else if (result == VK_SUBOPTIMAL_KHR)
{
// Force the recreate to happen next frame.
// The spec is not very clear about what happens to the semaphore or the acquired image if the swapchain is recreated before the image is released with a call to vkQueuePresentKHR.
lastSwapWidth = 0;
lastSwapHeight = 0;
break;
}
else if (result == VK_ERROR_OUT_OF_DATE_KHR)
{
Recreate();
}
else if (result == VK_NOT_READY || result == VK_TIMEOUT)
{ {
imageIndex = 0xffffffff; imageIndex = 0xffffffff;
break; break;