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(); }