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[Optimaization] (MG_Backend/DirectVulkan): optimize perf

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- Properly reuse descriptor sets rather than always allocating
- Add program lookup cache
This commit is contained in:
swung0x48
2026-05-11 23:20:55 +08:00
parent 4972ebf914
commit 9e0e03d4c0
11 changed files with 117 additions and 30 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/UniformManager.h
+9
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@@ -55,8 +55,14 @@ namespace MobileGL::MG_Backend::DirectVulkan {
Uint32 allocatedSets = 0;
};
struct DescriptorSetCacheEntry {
Vector<VkDescriptorSet> sets;
Uint32 cursor = 0;
};
struct FrameResources {
Vector<DescriptorPoolBucket> descriptorPools;
UnorderedMap<VkDescriptorSetLayout, DescriptorSetCacheEntry> descriptorSetCacheByLayout;
Vector<VkBufferView> texelBufferViews;
Uint32 activeDescriptorPoolIndex = 0;
Uint32 allocatedSetsThisFrame = 0;
@@ -82,6 +88,9 @@ namespace MobileGL::MG_Backend::DirectVulkan {
Bool GrowFrameDescriptorPool(FrameResources& frame, Uint32 frameIndex);
VkResult AllocateDescriptorSetsFromActivePool(
Uint32 frameIndex, const ProgramFactory::VkProgramObject& programObj, VkDescriptorSet& outDescriptorSet);
VkResult AcquireDescriptorSet(Uint32 frameIndex,
const ProgramFactory::VkProgramObject& programObj,
VkDescriptorSet& outDescriptorSet);
VkDevice m_device = VK_NULL_HANDLE;
VkBufferManager* m_bufferManager = nullptr;