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[Fix] (MG_Backend/DirectVulkan/VkRenderPassManager): avoid reusing active render pass when draw FBO attachments still have pending clears

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swung0x48
2026-03-17 14:34:50 +08:00
parent 9e42e40705
commit 8b9adc5121
1 changed files with 29 additions and 1 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VkRenderPassManager.cpp
+29 -1
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@@ -117,10 +117,38 @@ namespace MobileGL::MG_Backend::DirectVulkan {
RenderPassEntry& VkRenderPassManager::GetOrCreateRenderPass(const MG_State::GLState::FramebufferObject& fbo,
Uint32 swapchainImageIndex) {
auto hasPendingClearOnFramebuffer = [&]() -> Bool {
const auto& drawBuffers = fbo.GetDrawBuffers();
for (auto attachment : drawBuffers) {
if (attachment == FramebufferAttachmentType::None) {
continue;
}
const auto& att = fbo.GetAttachment(attachment);
if (att.IsTexture() && m_clearManager.HasPendingClear(att.GetTexture().get())) {
return true;
}
}
const auto& depthAtt = fbo.GetAttachment(FramebufferAttachmentType::Depth);
if (depthAtt.IsTexture() && m_clearManager.HasPendingClear(depthAtt.GetTexture().get())) {
return true;
}
const auto& stencilAtt = fbo.GetAttachment(FramebufferAttachmentType::Stencil);
if (stencilAtt.IsTexture() && m_clearManager.HasPendingClear(stencilAtt.GetTexture().get())) {
return true;
}
return false;
};
// retrieve from cache first
auto* activeRenderPass = GetActiveRenderPass();
auto compatibilityHash = ComputeHash(fbo, swapchainImageIndex, false);
if (activeRenderPass != nullptr && activeRenderPass->CompatibleWith(compatibilityHash)) {
if (activeRenderPass != nullptr &&
activeRenderPass->CompatibleWith(compatibilityHash) &&
!hasPendingClearOnFramebuffer()) {
auto activeIt = m_renderPasses.find(activeRenderPass->hash);
MOBILEGL_ASSERT(activeIt != m_renderPasses.end(),
"GetOrCreateRenderPass: active render pass hash=0x%llx is missing from cache",