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[Fix] (MG_Backend/DirectVulkan): deferred buffer release to frame end

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swung0x48
2026-02-17 22:13:57 +08:00
parent 5f78ff2b51
commit 25f6c67859
2 changed files with 29 additions and 2 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+26 -2
View File
@@ -140,6 +140,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
PrepareDemoPipeline();
CreateFrameContexts();
m_deferredBufferReleases.clear();
m_deferredBufferReleases.resize(m_frameContext.GetFrameCount());
// Prime the first frame so Render() always targets an acquired swapchain image.
VK_VERIFY(m_frameContext.WaitAndAcquireNextImage(m_device, m_swapchainObject.GetHandle(), m_imageIndexAcquired),
@@ -165,6 +167,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
}
m_vertexBuffers.clear();
m_indexBuffer.Destroy();
m_deferredBufferReleases.clear();
m_frameContext.Destroy(m_device, m_commandPool);
@@ -545,6 +548,24 @@ namespace MobileGL::MG_Backend::DirectVulkan {
m_frameContext.EndCommandRecording();
}
void VulkanRenderer::DeferDestroyBuffer(VkBufferObject& buffer) {
if (!buffer.IsValid()) {
return;
}
const Uint32 frameIndex = m_frameContext.GetCurrentFrameIndex();
if (m_deferredBufferReleases.size() < m_frameContext.GetFrameCount()) {
m_deferredBufferReleases.resize(m_frameContext.GetFrameCount());
}
m_deferredBufferReleases[frameIndex].push_back(std::move(buffer));
}
void VulkanRenderer::CollectDeferredBufferReleases(Uint32 frameIndex) {
if (frameIndex >= m_deferredBufferReleases.size()) {
return;
}
m_deferredBufferReleases[frameIndex].clear();
}
Bool VulkanRenderer::UploadAndBindVertexStreams(
const VertexInputStateFactory::BackendVertexInputState& vertexInputState,
const MG_State::GLState::VertexArrayObject& vertexArray,
@@ -598,7 +619,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
auto& backendBuffer = *m_vertexBuffers[binding];
const SizeT sourceSize = sourceBuffer->GetSize();
if (!backendBuffer.IsValid() || backendBuffer.GetSize() < sourceSize) {
backendBuffer.Destroy();
DeferDestroyBuffer(backendBuffer);
const Bool created = backendBuffer.Create(
m_allocator, static_cast<VkDeviceSize>(sourceSize),
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
@@ -751,7 +772,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
}
if (!m_indexBuffer.IsValid() || m_indexBuffer.GetSize() < payload.indexDataSizeBytes) {
m_indexBuffer.Destroy();
DeferDestroyBuffer(m_indexBuffer);
const Bool created = m_indexBuffer.Create(
m_allocator, static_cast<VkDeviceSize>(payload.indexDataSizeBytes),
VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
@@ -1154,6 +1175,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
result = VK_SUCCESS;
}
VK_VERIFY(result, "Present, vkAcquireNextImageKHR");
CollectDeferredBufferReleases(m_frameContext.GetCurrentFrameIndex());
}
void VulkanRenderer::CreateInstance() {
@@ -1856,6 +1878,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
m_frameContext.GetCurrent().isCommandRecording = false;
m_frameContext.GetCurrent().hasCommandBufferRecorded = false;
}
m_deferredBufferReleases.clear();
m_deferredBufferReleases.resize(m_frameContext.GetFrameCount());
m_isMainRenderPassActive = false;
m_activeRenderPass = VK_NULL_HANDLE;
m_activeRenderExtent = {0, 0};
MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
+3
View File
@@ -135,6 +135,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
VkPipelineLayout m_pipelineLayout = VK_NULL_HANDLE;
Vector<UniquePtr<VkBufferObject>> m_vertexBuffers;
VkBufferObject m_indexBuffer;
Vector<Vector<VkBufferObject>> m_deferredBufferReleases;
Uint m_imageIndexAcquired = 0;
FrameContext m_frameContext;
@@ -177,6 +178,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
void RecordColorClear(VkCommandBuffer commandBuffer, const VkClearColorValue& clearColor);
void RecordDepthStencilClear(VkCommandBuffer commandBuffer, GLbitfield mask, Float depth, Uint32 stencil);
void EndFrameRecordingIfNeeded();
void DeferDestroyBuffer(VkBufferObject& buffer);
void CollectDeferredBufferReleases(Uint32 frameIndex);
Bool UploadAndBindVertexStreams(
const VertexInputStateFactory::BackendVertexInputState& vertexInputState,
const MG_State::GLState::VertexArrayObject& vertexArray,