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[Chore] (MG_Backend/DirectVulkan): use vkCmdClearAttachments to implement clear semantics when there's one compatible render pass in flight (instead of interrupting it)

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swung0x48
2026-03-02 17:16:18 +08:00
parent debcb171ce
commit c78a94ed09
3 changed files with 83 additions and 8 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+9 -4
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@@ -514,11 +514,16 @@ namespace MobileGL::MG_Backend::DirectVulkan {
auto& renderPassEntry = m_renderPassManager->GetOrCreateRenderPass(*drawFbo, m_imageIndexAcquired);
auto* activeRenderPass = VkRenderPassManager::GetActiveRenderPass();
if (activeRenderPass != &renderPassEntry) {
if (activeRenderPass) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
if (activeRenderPass &&
VkRenderPassManager::TryClearPendingAttachmentsOnActiveRenderPass(frame.commandBuffer, renderPassEntry)) {
// Keep the current compatible render pass open and clear inside it.
} else {
if (activeRenderPass) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
Bool ok = VkRenderPassManager::BeginRenderPass(frame.commandBuffer, renderPassEntry);
MOBILEGL_ASSERT(ok, "%s: BeginRenderPass failed", __func__);
}
Bool ok = VkRenderPassManager::BeginRenderPass(frame.commandBuffer, renderPassEntry);
MOBILEGL_ASSERT(ok, "%s: BeginRenderPass failed", __func__);
} else {
// We probably already have one compatible render pass running. Keep going.
}