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[Chore] (MG_Backend/DirectVulkan): simplify FrameContext interface

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swung0x48
2026-02-17 00:08:48 +08:00
parent 2ad1207a31
commit 876d5e13af
3 changed files with 87 additions and 200 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+22 -16
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@@ -197,10 +197,11 @@ namespace MobileGL::MG_Backend::DirectVulkan {
CreateFrameContexts();
// Prime the first frame so Render() always targets an acquired swapchain image.
VK_VERIFY(vkWaitForFences(m_device, 1, &m_frameContext.GetCurrentImageInFlightFence(), VK_TRUE, UINT64_MAX));
VK_VERIFY(vkResetFences(m_device, 1, &m_frameContext.GetCurrentImageInFlightFence()));
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,
m_frameContext.GetCurrentImageAvailableSemaphore(), VK_NULL_HANDLE,
frame.imageAvailableSemaphore, VK_NULL_HANDLE,
&m_imageIndexAcquired));
MGLOG_D("VulkanRenderer initialized");
@@ -251,7 +252,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
}
void VulkanRenderer::Render() {
VkCommandBuffer& commandBuffer = m_frameContext.GetCurrentCommandBuffer();
auto& frame = m_frameContext.GetCurrent();
VkCommandBuffer& commandBuffer = frame.commandBuffer;
VK_VERIFY(vkResetCommandBuffer(commandBuffer, 0));
// Begin command buffer
@@ -298,14 +300,15 @@ namespace MobileGL::MG_Backend::DirectVulkan {
// End command buffer
VK_VERIFY(vkEndCommandBuffer(commandBuffer));
m_frameContext.SetCurrentCommandBufferRecorded(true);
frame.hasCommandBufferRecorded = true;
}
void VulkanRenderer::Present() {
MOBILEGL_ASSERT(m_imageIndexAcquired < m_swapchainObject.GetImageCount(),
"Present, acquired image index out of range");
VkCommandBuffer& commandBuffer = m_frameContext.GetCurrentCommandBuffer();
const Bool hasRecordedWork = m_frameContext.HasCurrentCommandBufferRecorded();
auto& frame = m_frameContext.GetCurrent();
VkCommandBuffer& commandBuffer = frame.commandBuffer;
const Bool hasRecordedWork = frame.hasCommandBufferRecorded;
Bool needsLayoutTransitionForPresent = false;
if (!hasRecordedWork) {
@@ -350,18 +353,18 @@ namespace MobileGL::MG_Backend::DirectVulkan {
// 1) Submit current frame work.
VkSubmitInfo submitInfo{};
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
VkSemaphore waitSemaphores[] = {m_frameContext.GetCurrentImageAvailableSemaphore()};
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[] = {m_frameContext.GetCurrentRenderFinishedSemaphore()};
VkSemaphore signalSemaphores[] = {frame.renderFinishedSemaphore};
submitInfo.signalSemaphoreCount = 1;
submitInfo.pSignalSemaphores = signalSemaphores;
VK_VERIFY(vkQueueSubmit(m_graphicsQueue, 1, &submitInfo, m_frameContext.GetCurrentImageInFlightFence()));
m_frameContext.SetCurrentCommandBufferRecorded(false);
VK_VERIFY(vkQueueSubmit(m_graphicsQueue, 1, &submitInfo, frame.imageInFlightFence));
frame.hasCommandBufferRecorded = false;
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
// 2) Present current frame.
@@ -383,16 +386,17 @@ namespace MobileGL::MG_Backend::DirectVulkan {
VK_VERIFY(result, "Present, vkQueuePresentKHR");
// 3) Advance frame slot.
m_frameContext.AdvanceFrame();
m_frameContext.AdvanceToNext();
// 4) Wait/reset/acquire for next frame.
VK_VERIFY(vkWaitForFences(m_device, 1, &m_frameContext.GetCurrentImageInFlightFence(), VK_TRUE, UINT64_MAX),
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, &m_frameContext.GetCurrentImageInFlightFence()),
VK_VERIFY(vkResetFences(m_device, 1, &nextFrame.imageInFlightFence),
"Present, vkResetFences");
result =
vkAcquireNextImageKHR(m_device, m_swapchainObject.GetHandle(), UINT64_MAX,
m_frameContext.GetCurrentImageAvailableSemaphore(), VK_NULL_HANDLE,
nextFrame.imageAvailableSemaphore, VK_NULL_HANDLE,
&m_imageIndexAcquired);
if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR) {
MGLOG_D("Present, vkAcquireNextImageKHR got %d, recreating swapchain", result);
@@ -912,7 +916,9 @@ namespace MobileGL::MG_Backend::DirectVulkan {
CreateSwapchain();
CreateDefaultRenderPass();
CreateDefaultFramebuffers();
m_frameContext.ResetPerFrameState();
if (m_frameContext.GetFrameCount() > 0) {
m_frameContext.GetCurrent().hasCommandBufferRecorded = false;
}
}
} // namespace MobileGL::MG_Backend::DirectVulkan