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Fence sync

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This commit is contained in:
saschawillems 2018-06-03 11:27:04 +02:00
parent 19afba3f71
commit 671cebdc63
1 changed files with 17 additions and 5 deletions
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22
examples/multiview/multiview.cpp
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@ -59,6 +59,7 @@ public:
// Semaphore used to synchronize blit to swapchain
VkSemaphore blitCompleteSemaphore;
std::vector<VkCommandBuffer> blitCommandBuffers;
std::vector<VkFence> blitWaitFences;
// Camera and view properties
float eyeSeparation = 0.08f;
@ -92,6 +93,9 @@ public:
vkFreeMemory(device, colorAttachment.memory, nullptr);
vkDestroySemaphore(device, blitCompleteSemaphore, nullptr);
for (auto& fence : blitWaitFences) {
vkDestroyFence(device, fence, nullptr);
}
scene.destroy();
@ -636,23 +640,24 @@ public:
VulkanExampleBase::prepareFrame();
// Render
VK_CHECK_RESULT(vkWaitForFences(device, 1, &waitFences[currentBuffer], VK_TRUE, UINT64_MAX));
VK_CHECK_RESULT(vkResetFences(device, 1, &waitFences[currentBuffer]));
submitInfo.pWaitSemaphores = &semaphores.presentComplete;
submitInfo.pSignalSemaphores = &semaphores.renderComplete;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, waitFences[currentBuffer]));
// Blit
VK_CHECK_RESULT(vkWaitForFences(device, 1, &blitWaitFences[currentBuffer], VK_TRUE, UINT64_MAX));
VK_CHECK_RESULT(vkResetFences(device, 1, &blitWaitFences[currentBuffer]));
submitInfo.pWaitSemaphores = &semaphores.renderComplete;
submitInfo.pSignalSemaphores = &blitCompleteSemaphore;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &blitCommandBuffers[currentBuffer];
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, blitWaitFences[currentBuffer]));
VK_CHECK_RESULT(swapChain.queuePresent(queue, currentBuffer, blitCompleteSemaphore));
// TODO: Proper fence sync
VK_CHECK_RESULT(vkQueueWaitIdle(queue));
}
void prepare()
@ -663,6 +668,13 @@ public:
prepareDescriptors();
preparePipelines();
buildCommandBuffers();
VkFenceCreateInfo fenceCreateInfo = vks::initializers::fenceCreateInfo(VK_FENCE_CREATE_SIGNALED_BIT);
blitWaitFences.resize(blitCommandBuffers.size());
for (auto& fence : blitWaitFences) {
VK_CHECK_RESULT(vkCreateFence(device, &fenceCreateInfo, nullptr, &fence));
}
prepared = true;
}