[Feat] (MG_Backend/DirectVulkan): Pipeline factory

2026-09-11 21:58:31 +09:00 · 2026-02-17 10:57:39 +08:00
parent 49b0743422
commit 5f6a0b5969
5 changed files with 195 additions and 107 deletions
@@ -0,0 +1,48 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.h
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v3.0:
+//   https://www.gnu.org/licenses/gpl-3.0.txt
+//   https://www.gnu.org/licenses/lgpl-3.0.txt
+// SPDX-License-Identifier: LGPL-3.0-only
+// End of Source File Header
+
+#pragma once
+
+#include "Config.h"
+#include "../VkIncludes.h"
+#include <Includes.h>
+
+namespace MobileGL::MG_Backend::DirectVulkan {
+    class PipelineFactory {
+    public:
+        using HashType = Uint64;
+
+        struct PipelineCreatePayload {
+            HashType programHash = 0;
+            HashType vertexInputHash = 0;
+            VkPipelineLayout pipelineLayout = VK_NULL_HANDLE;
+            VkRenderPass renderPass = VK_NULL_HANDLE;
+            Uint32 subpass = 0;
+            VkPrimitiveTopology topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
+            const Vector<VkPipelineShaderStageCreateInfo>* stages = nullptr;
+            const VkPipelineVertexInputStateCreateInfo* vertexInputState = nullptr;
+        };
+
+        explicit PipelineFactory(VkDevice device, const VulkanRendererConfig& config):
+            m_device(device), m_config(config) {}
+        ~PipelineFactory();
+        PipelineFactory(const PipelineFactory&) = delete;
+
+        HashType ComputeHash(const PipelineCreatePayload& payload) const;
+        VkPipeline GetOrCreatePipeline(const PipelineCreatePayload& payload);
+        void DestroyAll();
+
+    private:
+        VkPipeline CreatePipeline(const PipelineCreatePayload& payload) const;
+
+        VkDevice m_device = VK_NULL_HANDLE;
+        const VulkanRendererConfig& m_config;
+        UnorderedMap<HashType, VkPipeline> m_cache;
+        static inline XXH64_state_t* m_hashState = XXH64_createState();
+    };
+} // namespace MobileGL::MG_Backend::DirectVulkan