From c29105b461135f3909cca0308fb05715cee45763 Mon Sep 17 00:00:00 2001
From: Quentin LADEVIE <qladevie@wanadev.fr>
Date: Sun, 26 Jan 2025 22:27:10 +0100
Subject: DX12 command buffers and resources

---
 include/api-test/dx12-device.hpp | 106 ++++++++++++++++++++++++++++-----------
 1 file changed, 78 insertions(+), 28 deletions(-)

(limited to 'include/api-test/dx12-device.hpp')

diff --git a/include/api-test/dx12-device.hpp b/include/api-test/dx12-device.hpp
index 83d8888..baa5b60 100644
--- a/include/api-test/dx12-device.hpp
+++ b/include/api-test/dx12-device.hpp
@@ -1,47 +1,97 @@
+#pragma once
+
 #include <d3d12.h>
+#include <dxgi1_3.h>
 
 #include "freelist.hpp"
 #include "dx12-device-types.hpp"
 
-class dx12device {
-    struct queue {
-        ID3D12CommandQueue* dx_queue;
-    };
-    public:
-    void init();
+#include "D3D12MemAlloc.h"
+
+namespace dx12 {
+    struct command_buffer;
+
+    class device {
+        struct queue {
+            ID3D12CommandQueue* dx_queue;
+            D3D12_COMMAND_LIST_TYPE type;
+        };
+        public:
+        void init();
+
+        static inline device& get_render_device() {
+            return render_device;
+        }
+
+        handle<device_surface> create_surface(const surface_desc& desc);
+
+        handle<device_buffer> create_buffer(const buffer_desc& desc);
+
+        handle<device_texture> create_texture(const texture_desc& desc);
 
-    static inline dx12device& get_render_device() {
-        return render_device;
-    }
+        void create_graphics_pipeline() {};
 
-    handle<dx12::device_surface> create_surface(const dx12::surface_desc& desc);
+        void create_compute_pipeline() {};
 
-    void create_buffer() {};
+        void allocate_command_buffers(command_buffer* buffers, size_t count, QueueType type);
 
-    void create_texture() {};
 
-    void create_graphics_pipeline() {};
+        [[nodiscard]] inline device_surface& get_surface(handle<device_surface> handle) {
+            return surfaces[handle];
+        }
 
-    void create_compute_pipeline() {};
+        [[nodiscard]] inline device_buffer& get_buffer(handle<device_buffer> handle) {
+            return buffers[handle];
+        }
 
-    void allocate_command_buffers() {};
+        [[nodiscard]] inline device_texture& get_texture(handle<device_texture> handle) {
+            return textures[handle];
+        }
 
-    void get_buffer() {};
+        [[nodiscard]] inline ID3D12Device* get_device() const {
+            return device;
+        }
 
-    void get_texture() {};
+        uint32_t submit(command_buffer* buffers, uint32_t count);
 
-    [[nodiscard]] inline dx12::device_surface& get_surface(handle<dx12::device_surface> handle) {
-        return surfaces[handle];
-    }
+        void wait();
 
-    private:
-    IDXGIFactory* factory;
-    IDXGIAdapter* adapter;
+        private:
+        IDXGIFactory3*              factory;
+        IDXGIAdapter*               adapter;
+        ID3D12Debug*                debug_interface;
 
-    ID3D12Device* device;
-    queue queues[static_cast<uint32_t>(dx12::QueueType::MAX)];
+        D3D12MA::Allocator*         allocator;
 
-    freelist<dx12::device_surface>    surfaces;
+        ID3D12Device*               device;
+        ID3D12Fence*                fence;
+        uint64_t                    fence_value = 0U;
+        queue                       queues[static_cast<uint32_t>(QueueType::MAX)];
+
+        freelist<device_surface>    surfaces;
+        freelist<device_buffer>     buffers;
+        freelist<device_texture>    textures;
+
+        static constexpr size_t     max_allocable_command_buffers  = 16U;
+        static constexpr size_t     max_submitable_command_buffers = 16U;
+
+        static class device         render_device;
+
+        struct bindless_model {
+            void init();
+
+            [[nodiscard]] inline ID3D12DescriptorHeap* const* get_heaps() const {
+                return &resources_heap;
+            }
+
+            ID3D12DescriptorHeap*   resources_heap;
+            ID3D12DescriptorHeap*   samplers_heap;
+        } model;
+
+        public:
+        [[nodiscard]] static inline const device::bindless_model& get_bindless_model() {
+            return render_device.model;
+        }
+    };
 
-    static dx12device render_device;
-};
+}
-- 
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