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[Fix] (MG_Backend/DirectVulkan): Acquire next frame image only at the start of frame.

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This commit is contained in:
BZLZHH
2026-02-08 18:56:25 +08:00
parent e39af3b940
commit 2abdebcd96
2 changed files with 26 additions and 19 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+25 -19
View File
@@ -34,6 +34,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
CreateCommandPool(); CreateCommandPool();
CreateFrameResources(); CreateFrameResources();
FrameBegin();
MGLOG_D("VulkanRenderer initialized"); MGLOG_D("VulkanRenderer initialized");
} }
@@ -192,23 +193,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
VK_VERIFY(vkWaitForFences(Ctx->GetDevice(), 1, &frame.InFlightFence, VK_TRUE, UINT64_MAX), "vkWaitForFences"); VK_VERIFY(vkWaitForFences(Ctx->GetDevice(), 1, &frame.InFlightFence, VK_TRUE, UINT64_MAX), "vkWaitForFences");
VK_VERIFY(vkResetFences(Ctx->GetDevice(), 1, &frame.InFlightFence), "vkResetFences"); VK_VERIFY(vkResetFences(Ctx->GetDevice(), 1, &frame.InFlightFence), "vkResetFences");
// Acquire image
auto& imagesInFlight = Swapchain->GetImagesInFlight();
Uint32 imageIndex = 0;
VkResult res = vkAcquireNextImageKHR(Ctx->GetDevice(), Swapchain->GetSwapchain(), UINT64_MAX,
frame.ImageAvailable, VK_NULL_HANDLE, &imageIndex);
if (imagesInFlight[imageIndex] != VK_NULL_HANDLE) {
vkWaitForFences(Ctx->GetDevice(), 1, &imagesInFlight[imageIndex], VK_TRUE, UINT64_MAX);
}
imagesInFlight[imageIndex] = frame.InFlightFence;
frame.CurrentImageIndex = imageIndex;
if (res == VK_ERROR_OUT_OF_DATE_KHR) {
MGLOG_D("vkAcquireNextImageKHR: OUT_OF_DATE -> recreate");
RecreateSwapchainIfNeeded();
return;
}
VK_VERIFY(res, "vkAcquireNextImageKHR");
// Record commands // Record commands
VK_VERIFY(vkResetCommandBuffer(frame.CommandBuffer, 0), "vkResetCommandBuffer"); VK_VERIFY(vkResetCommandBuffer(frame.CommandBuffer, 0), "vkResetCommandBuffer");
RecordFrameCommandBuffer(frame, frame.CurrentImageIndex); RecordFrameCommandBuffer(frame, frame.CurrentImageIndex);
@@ -229,10 +213,30 @@ namespace MobileGL::MG_Backend::DirectVulkan {
VK_VERIFY(vkQueueSubmit(Ctx->GetGraphicsQueue(), 1, &si, frame.InFlightFence), "vkQueueSubmit"); VK_VERIFY(vkQueueSubmit(Ctx->GetGraphicsQueue(), 1, &si, frame.InFlightFence), "vkQueueSubmit");
} }
void VulkanRenderer::FrameBegin() {
FrameContext& frame = *Frames[CurrentFrame];
// Acquire image
auto& imagesInFlight = Swapchain->GetImagesInFlight();
Uint32 imageIndex = 0;
VkResult res = vkAcquireNextImageKHR(Ctx->GetDevice(), Swapchain->GetSwapchain(), UINT64_MAX,
frame.ImageAvailable, VK_NULL_HANDLE, &imageIndex);
if (imagesInFlight[imageIndex] != VK_NULL_HANDLE) {
vkWaitForFences(Ctx->GetDevice(), 1, &imagesInFlight[imageIndex], VK_TRUE, UINT64_MAX);
}
imagesInFlight[imageIndex] = frame.InFlightFence;
frame.CurrentImageIndex = imageIndex;
if (res == VK_ERROR_OUT_OF_DATE_KHR) {
MGLOG_D("vkAcquireNextImageKHR: OUT_OF_DATE -> recreate");
RecreateSwapchainIfNeeded();
return;
}
VK_VERIFY(res, "vkAcquireNextImageKHR");
}
void VulkanRenderer::Present() { void VulkanRenderer::Present() {
if (!Ctx) throw RuntimeError("Renderer not initialized"); if (!Ctx) throw RuntimeError("Renderer not initialized");
FrameContext& frame = *Frames[CurrentFrame]; FrameContext& frame = *Frames[CurrentFrame];
const Uint32& imageIndex = frame.CurrentImageIndex;
// Present // Present
VkPresentInfoKHR pi{VK_STRUCTURE_TYPE_PRESENT_INFO_KHR}; VkPresentInfoKHR pi{VK_STRUCTURE_TYPE_PRESENT_INFO_KHR};
@@ -242,7 +246,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
VkSwapchainKHR scs[] = {Swapchain->GetSwapchain()}; VkSwapchainKHR scs[] = {Swapchain->GetSwapchain()};
pi.swapchainCount = 1; pi.swapchainCount = 1;
pi.pSwapchains = scs; pi.pSwapchains = scs;
pi.pImageIndices = &imageIndex; pi.pImageIndices = &frame.CurrentImageIndex;
VkResult pres = vkQueuePresentKHR(Ctx->GetGraphicsQueue(), &pi); VkResult pres = vkQueuePresentKHR(Ctx->GetGraphicsQueue(), &pi);
if (pres == VK_ERROR_OUT_OF_DATE_KHR || pres == VK_SUBOPTIMAL_KHR) { if (pres == VK_ERROR_OUT_OF_DATE_KHR || pres == VK_SUBOPTIMAL_KHR) {
MGLOG_D("vkQueuePresentKHR: out_of_date/suboptimal -> recreate"); MGLOG_D("vkQueuePresentKHR: out_of_date/suboptimal -> recreate");
@@ -252,6 +256,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
} }
CurrentFrame = (CurrentFrame + 1) % Frames.size(); CurrentFrame = (CurrentFrame + 1) % Frames.size();
FrameBegin();
} }
void VulkanRenderer::RegisterRenderCallback(const std::string& name, RenderCallback cb) { void VulkanRenderer::RegisterRenderCallback(const std::string& name, RenderCallback cb) {
MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
+1
View File
@@ -69,5 +69,6 @@ namespace MobileGL::MG_Backend::DirectVulkan {
void DestroyFrameResources(); void DestroyFrameResources();
void RecordFrameCommandBuffer(FrameContext& frame, uint32_t imageIndex); void RecordFrameCommandBuffer(FrameContext& frame, uint32_t imageIndex);
void RecreateSwapchainIfNeeded(); void RecreateSwapchainIfNeeded();
void FrameBegin();
}; };
} // namespace MobileGL::MG_Backend::DirectVulkan } // namespace MobileGL::MG_Backend::DirectVulkan