void draw()
{
VkResult err;
// Get next image in the swap chain (back/front buffer)
err = swapChain.acquireNextImage(semaphores.presentComplete, ¤tBuffer);
assert(!err);
submitPostPresentBarrier(swapChain.buffers[currentBuffer].image);
// Command buffer to be sumitted to the queue
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
// Submit to queue
err = vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE);
assert(!err);
submitPrePresentBarrier(swapChain.buffers[currentBuffer].image);
err = swapChain.queuePresent(queue, currentBuffer, semaphores.renderComplete);
assert(!err);
err = vkQueueWaitIdle(queue);
assert(!err);
}
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);
}
void draw()
{
VkResult err;
// Get next image in the swap chain (back/front buffer)
err = swapChain.acquireNextImage(semaphores.presentComplete, ¤tBuffer);
assert(!err);
submitPostPresentBarrier(swapChain.buffers[currentBuffer].image);
VkPipelineStageFlags pipelineStages = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = &semaphores.presentComplete;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
submitInfo.pWaitDstStageMask = &pipelineStages;
submitInfo.signalSemaphoreCount = 1;
submitInfo.pSignalSemaphores = &semaphores.submitSignal;
// Submit to the graphics queue
err = vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE);
assert(!err);
submitPrePresentBarrier(swapChain.buffers[currentBuffer].image);
// Present the current buffer to the swap chain
// This will display the image
err = swapChain.queuePresent(queue, currentBuffer, semaphores.submitSignal);
assert(!err);
}
void draw()
{
// Get next image in the swap chain (back/front buffer)
VK_CHECK_RESULT(swapChain.acquireNextImage(semaphores.presentComplete, ¤tBuffer));
submitPostPresentBarrier(swapChain.buffers[currentBuffer].image);
// Command buffer to be sumitted to the queue
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
// Submit to queue
VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
submitPrePresentBarrier(swapChain.buffers[currentBuffer].image);
VK_CHECK_RESULT(swapChain.queuePresent(queue, currentBuffer, semaphores.renderComplete));
}
assert(!err);
}
}
void draw()
{
VkResult err;
VkSemaphore presentCompleteSemaphore;
VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo =
vkTools::initializers::semaphoreCreateInfo(VK_FLAGS_NONE);
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);
// Gather command buffers to be sumitted to the queue
std::vector<VkCommandBuffer> submitCmdBuffers = {
offScreenCmdBuffer,
drawCmdBuffers[currentBuffer],
};
VkSubmitInfo submitInfo = vkTools::initializers::submitInfo();
submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = &presentCompleteSemaphore;
submitInfo.commandBufferCount = submitCmdBuffers.size();
submitInfo.pCommandBuffers = submitCmdBuffers.data();
// Submit draw command buffer
err = vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE);
assert(!err);
submitPrePresentBarrier(swapChain.buffers[currentBuffer].image);
err = swapChain.queuePresent(queue, currentBuffer);
assert(!err);
vkDestroySemaphore(device, presentCompleteSemaphore, nullptr);
submitPostPresentBarrier(swapChain.buffers[currentBuffer].image);
