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[Feat] (MG_Backend/DirectVulkan): implement some FrameContext lifecycle function

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swung0x48
2026-02-17 00:40:04 +08:00
parent 876d5e13af
commit ebdadcecff
3 changed files with 118 additions and 80 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+11 -80
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@@ -197,12 +197,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
CreateFrameContexts();
// Prime the first frame so Render() always targets an acquired swapchain image.
auto& frame = m_frameContext.GetCurrent();
VK_VERIFY(vkWaitForFences(m_device, 1, &frame.imageInFlightFence, VK_TRUE, UINT64_MAX));
VK_VERIFY(vkResetFences(m_device, 1, &frame.imageInFlightFence));
VK_VERIFY(vkAcquireNextImageKHR(m_device, m_swapchainObject.GetHandle(), UINT64_MAX,
frame.imageAvailableSemaphore, VK_NULL_HANDLE,
&m_imageIndexAcquired));
VK_VERIFY(m_frameContext.WaitAndAcquireNextImage(m_device, m_swapchainObject.GetHandle(), m_imageIndexAcquired),
"Initialize, WaitAndAcquireNextImage");
MGLOG_D("VulkanRenderer initialized");
}
@@ -307,77 +303,20 @@ namespace MobileGL::MG_Backend::DirectVulkan {
MOBILEGL_ASSERT(m_imageIndexAcquired < m_swapchainObject.GetImageCount(),
"Present, acquired image index out of range");
auto& frame = m_frameContext.GetCurrent();
VkCommandBuffer& commandBuffer = frame.commandBuffer;
const Bool hasRecordedWork = frame.hasCommandBufferRecorded;
Bool needsLayoutTransitionForPresent = false;
if (!hasRecordedWork) {
const auto acquiredImageLayout = m_swapchainObject.GetImageLayout(m_imageIndexAcquired);
if (acquiredImageLayout != VK_IMAGE_LAYOUT_PRESENT_SRC_KHR &&
acquiredImageLayout != VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR) {
needsLayoutTransitionForPresent = true;
VK_VERIFY(vkResetCommandBuffer(commandBuffer, 0),
"Present, vkResetCommandBuffer(layout transition)");
VkCommandBufferBeginInfo beginInfo{};
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
VK_VERIFY(vkBeginCommandBuffer(commandBuffer, &beginInfo),
"Present, vkBeginCommandBuffer(layout transition)");
VkImageMemoryBarrier presentBarrier{};
presentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
presentBarrier.srcAccessMask = 0;
presentBarrier.dstAccessMask = 0;
presentBarrier.oldLayout = acquiredImageLayout;
presentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
presentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
presentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
presentBarrier.image = m_swapchainObject.GetImage(m_imageIndexAcquired);
presentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
presentBarrier.subresourceRange.baseMipLevel = 0;
presentBarrier.subresourceRange.levelCount = 1;
presentBarrier.subresourceRange.baseArrayLayer = 0;
presentBarrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1,
&presentBarrier);
VK_VERIFY(vkEndCommandBuffer(commandBuffer),
"Present, vkEndCommandBuffer(layout transition)");
}
}
const Bool shouldSubmitCommandBuffer = hasRecordedWork || needsLayoutTransitionForPresent;
const auto acquiredImageLayout = m_swapchainObject.GetImageLayout(m_imageIndexAcquired);
const Bool needsLayoutTransitionForPresent =
m_frameContext.TransitionToPresent(m_swapchainObject.GetImage(m_imageIndexAcquired), acquiredImageLayout);
const Bool shouldSubmitCommandBuffer = frame.hasCommandBufferRecorded || needsLayoutTransitionForPresent;
// 1) Submit current frame work.
VkSubmitInfo submitInfo{};
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
VkSemaphore waitSemaphores[] = {frame.imageAvailableSemaphore};
VkPipelineStageFlags waitStages[] = {VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT};
submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = waitSemaphores;
submitInfo.pWaitDstStageMask = waitStages;
submitInfo.commandBufferCount = shouldSubmitCommandBuffer ? 1U : 0U;
submitInfo.pCommandBuffers = shouldSubmitCommandBuffer ? &commandBuffer : nullptr;
VkSemaphore signalSemaphores[] = {frame.renderFinishedSemaphore};
submitInfo.signalSemaphoreCount = 1;
submitInfo.pSignalSemaphores = signalSemaphores;
VK_VERIFY(vkQueueSubmit(m_graphicsQueue, 1, &submitInfo, frame.imageInFlightFence));
auto submitPacket = m_frameContext.GetSubmitInfo(shouldSubmitCommandBuffer);
VK_VERIFY(vkQueueSubmit(m_graphicsQueue, 1, &submitPacket.submitInfo, frame.imageInFlightFence));
frame.hasCommandBufferRecorded = false;
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
// 2) Present current frame.
VkPresentInfoKHR presentInfo{};
presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
presentInfo.waitSemaphoreCount = 1;
presentInfo.pWaitSemaphores = signalSemaphores;
VkSwapchainKHR swapChains[] = {m_swapchainObject.GetHandle()};
presentInfo.swapchainCount = 1;
presentInfo.pSwapchains = swapChains;
presentInfo.pImageIndices = &m_imageIndexAcquired;
presentInfo.pResults = nullptr;
auto result = vkQueuePresentKHR(m_presentQueue, &presentInfo);
auto presentPacket = m_frameContext.GetPresentInfo(m_swapchainObject.GetHandle(), m_imageIndexAcquired);
auto result = vkQueuePresentKHR(m_presentQueue, &presentPacket.presentInfo);
if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR) {
MGLOG_D("Present, vkQueuePresentKHR got %d, recreating swapchain", result);
RecreateSwapchain();
@@ -389,15 +328,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
m_frameContext.AdvanceToNext();
// 4) Wait/reset/acquire for next frame.
auto& nextFrame = m_frameContext.GetCurrent();
VK_VERIFY(vkWaitForFences(m_device, 1, &nextFrame.imageInFlightFence, VK_TRUE, UINT64_MAX),
"Present, vkWaitForFences");
VK_VERIFY(vkResetFences(m_device, 1, &nextFrame.imageInFlightFence),
"Present, vkResetFences");
result =
vkAcquireNextImageKHR(m_device, m_swapchainObject.GetHandle(), UINT64_MAX,
nextFrame.imageAvailableSemaphore, VK_NULL_HANDLE,
&m_imageIndexAcquired);
result = m_frameContext.WaitAndAcquireNextImage(m_device, m_swapchainObject.GetHandle(), m_imageIndexAcquired);
if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR) {
MGLOG_D("Present, vkAcquireNextImageKHR got %d, recreating swapchain", result);
RecreateSwapchain();