void draw()
{
VulkanExampleBase::prepareFrame();
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
// Read query results for displaying in next frame
getQueryResults();
VulkanExampleBase::submitFrame();
}
void draw()
{
VkResult err;
VkSemaphore presentCompleteSemaphore;
VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo =
vkTools::initializers::semaphoreCreateInfo(VK_FENCE_CREATE_SIGNALED_BIT);
err = vkCreateSemaphore(device, &presentCompleteSemaphoreCreateInfo, nullptr, &presentCompleteSemaphore);
assert(!err);
// Get next image in the swap chain (back/front buffer)
err = swapChain.acquireNextImage(presentCompleteSemaphore, ¤tBuffer);
assert(!err);
VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = &presentCompleteSemaphore;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
// Submit draw command buffer
err = vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE);
assert(!err);
err = swapChain.queuePresent(queue, currentBuffer);
assert(!err);
vkDestroySemaphore(device, presentCompleteSemaphore, nullptr);
submitPostPresentBarrier(swapChain.buffers[currentBuffer].image);
err = vkQueueWaitIdle(queue);
assert(!err);
getQueryResults();
}
