[Feat] (MG_Backend/DirectVulkan): ProgramFactory and some refactoring

2026-09-10 05:08:31 +09:00 · 2026-02-16 22:29:04 +08:00
parent 91326025f3
commit 2ad1207a31
10 changed files with 197 additions and 57 deletions
@@ -0,0 +1,56 @@
+// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/ProgramFactory.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 "../VkIncludes.h"
+#include "MG_State/GLState/ProgramState/ProgramObject.h"
+#include "MG_State/GLState/ProgramState/ShaderObject.h"
+#include <Includes.h>
+
+namespace MobileGL::MG_Backend::DirectVulkan {
+    class ProgramFactory {
+    public:
+        enum class CompileOptionBit : Uint {
+            None = 0,
+            PositionYFlip = 1 << 0,
+            PositionZRemap = 1 << 1,
+        };
+        using CompileOptionFlags = Flags<CompileOptionBit>;
+        using HashType = Uint64;
+        struct BackendProgramObject {
+            HashType hash = 0;
+            VkDevice device = VK_NULL_HANDLE;
+            Vector<VkPipelineShaderStageCreateInfo> stages;
+            Vector<VkShaderModule> modules;
+
+            ~BackendProgramObject() {
+                for (auto module: modules) {
+                    vkDestroyShaderModule(device, module, nullptr);
+                }
+                modules.clear();
+                stages.clear();
+            }
+        };
+
+        explicit ProgramFactory(VkDevice device, const VulkanRendererConfig& config):
+            m_device(device), m_config(config) {}
+        ~ProgramFactory();
+        ProgramFactory(const ProgramFactory&) = delete;
+
+        HashType ComputeHash(const MG_State::GLState::ProgramObject& program, CompileOptionFlags flags) const;
+        Vector<VkPipelineShaderStageCreateInfo>& GetOrCreatePipelineShaderStages(const MG_State::GLState::ProgramObject& program, CompileOptionFlags flags);
+
+        static VkShaderStageFlagBits ToVkStage(ShaderStage stage);
+    private:
+        VkDevice m_device = VK_NULL_HANDLE;
+        UnorderedMap<HashType, BackendProgramObject> m_cache;
+        const VulkanRendererConfig& m_config;
+        static inline XXH64_state_t* m_hashState = XXH64_createState();
+    };
+} // namespace MobileGL::MG_Backend::DirectVulkan