From 5424a1d5434e3ddd911a504719918c2df027e2fd Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Sun, 17 Apr 2022 20:08:57 -0700
Subject: Changeset: 8 Initial work on sprites and texture system

---
 source/Mesh.hpp | 33 ++++++++++++++++-----------------
 1 file changed, 16 insertions(+), 17 deletions(-)

(limited to 'source/Mesh.hpp')

diff --git a/source/Mesh.hpp b/source/Mesh.hpp
index a1c0984..bc755a3 100644
--- a/source/Mesh.hpp
+++ b/source/Mesh.hpp
@@ -31,7 +31,7 @@ struct GpuIndexBuffer : public RefCounted {
 	void Upload(const std::byte* data, Tags::IndexType type, size_t count);
 };
 
-struct BufferBindings : public RefCounted {
+struct BufferBindings {
 	SmallVector<RcPtr<GpuVertexBuffer>, 4> bindings;
 
 	int GetMaxBindingIndex() const;
@@ -44,14 +44,15 @@ struct BufferBindings : public RefCounted {
 };
 
 struct VertexElementFormat {
-	int offset;
-	int bindingIndex;
-	Tags::VertexElementType type;
-	Tags::VertexElementSemantic semantic;
+	/// NOTE:
+	/// "Automatic" means it will be set inside VertexFormat::AddElement()
+	/// "Parameter" means it must be set by the user
+	/* Automatic */ int offset;
+	/* Parameter */ int bindingIndex;
+	/* Parameter */ Tags::VertexElementType type;
+	/* Parameter */ Tags::VertexElementSemantic semantic;
 
 	int GetStride() const;
-
-	auto operator<=>(const VertexElementFormat&) const = default;
 };
 
 struct VertexFormat : public RefCounted {
@@ -61,24 +62,22 @@ struct VertexFormat : public RefCounted {
 	const std::vector<VertexElementFormat>& GetElements() { return elements; }
 	void AddElement(VertexElementFormat element);
 	void RemoveElement(int index);
-
-	void Sort();
-	void CompactBindingIndex();
 };
 
+// Initialized in main()
+inline RcPtr<VertexFormat> gVformatStandard{};
+inline RcPtr<VertexFormat> gVformatStandardPacked{};
+
+// TODO handle immutability
 class GpuMesh : public RefCounted {
 public:
 	RcPtr<VertexFormat> vertFormat;
-	RcPtr<BufferBindings> vertBufBindings;
+	BufferBindings vertBufBindings;
 	RcPtr<GpuIndexBuffer> indexBuf;
 
 public:
-	GpuMesh(VertexFormat* vertexFormat, BufferBindings* bindings, GpuIndexBuffer* indexBuffer);
+	GpuMesh();
+	~GpuMesh();
 
 	bool IsEmpty() const;
-	void SetVertex(VertexFormat* vertexFormat, BufferBindings* bindings);
-	VertexFormat* GetVertexFormat() const;
-	BufferBindings* GetVertexBufferBindings() const;
-	void SetIndex(GpuIndexBuffer* buffer);
-	GpuIndexBuffer* GetIndexBuffer() const;
 };
-- 
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