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/vk-command-buffer.hpp | 103 +++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 include/api-test/vk-command-buffer.hpp

(limited to 'include/api-test/vk-command-buffer.hpp')

diff --git a/include/api-test/vk-command-buffer.hpp b/include/api-test/vk-command-buffer.hpp
new file mode 100644
index 0000000..08652fd
--- /dev/null
+++ b/include/api-test/vk-command-buffer.hpp
@@ -0,0 +1,103 @@
+#pragma once
+
+#include <cstdint>
+#include <span>
+
+#include <vulkan/vulkan_core.h>
+
+#include "handle.hpp"
+
+#include "vec3.hpp"
+
+#include "vk-device-types.hpp"
+
+struct device_texture;
+struct device_buffer;
+struct device_pipeline;
+
+struct dispatch_params {
+    enum class PARAM_BINDING : uint32_t {
+        PARAM1,
+        PARAM2,
+        PARAM3,
+        PARAM4,
+        PARAM5,
+        PARAM6,
+        PARAM7,
+        PARAM8,
+        MAX
+    };
+
+    handle<device_pipeline> pipeline;
+    vec3u                   group_size;
+    vec3u                   local_group_size;
+    uint64_t                params[static_cast<uint32_t>(PARAM_BINDING::MAX)];
+};
+
+struct renderpass_params {
+private:
+    struct rect {
+        int32_t x;
+        int32_t y;
+        uint32_t width;
+        uint32_t height;
+    };
+
+public:
+    rect render_area;
+    std::span<handle<device_texture>> color_attachments;
+};
+
+struct draw_params {
+    handle<device_pipeline> pipeline;
+    handle<device_buffer>   index_buffer;
+    uint32_t vertex_count;
+    uint32_t vertex_offset;
+    uint32_t instance_count;
+    uint64_t globals_address = 0U; // TODO: This is probably stupid and should be set elsewhere once ???
+    uint64_t instances_address = 0U;
+    uint64_t uniforms_address = 0U;
+    uint64_t vertex_address = 0U;
+};
+
+struct draw_indexed_params {
+    handle<device_pipeline> pipeline;
+    handle<device_buffer>   index_buffer;
+    uint32_t vertex_count;
+    uint32_t vertex_offset;
+    uint32_t index_offset;
+    uint32_t instance_count;
+    uint64_t globals_address = 0U; // TODO: This is probably stupid and should be set elsewhere once ???
+    uint64_t instances_address = 0U;
+    uint64_t uniforms_address = 0U;
+    uint64_t vertex_address = 0U;
+};
+
+struct command_buffer {
+    void            start() const;
+    void            stop() const;
+
+    void            barrier(handle<device_texture> texture_handle, VkPipelineStageFlags2 stage, VkAccessFlags2 access, VkImageLayout layout) const;
+
+    void            copy(handle<device_buffer> buffer_handle, handle<device_texture> texture_handle, uint64_t offset = 0) const;
+
+    VkCommandBuffer vk_command_buffer;
+    QueueType       queue_type;
+};
+
+// General purpose queue
+struct graphics_command_buffer: public command_buffer {
+    void dispatch(const dispatch_params& params) const;
+
+    void begin_renderpass(const renderpass_params& params) const;
+    void draw(const draw_params& params) const;
+    void draw_indexed(const draw_indexed_params& params) const;
+    void end_renderpass() const;
+};
+
+struct compute_command_buffer: public command_buffer {
+    void dispatch(const dispatch_params& params);
+};
+
+struct transfer_command_buffer: public command_buffer {
+};
-- 
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