more test

.idea/editor.xml

@@ -287,5 +287,7 @@
     <option name="/Default/CodeStyle/CppIncludeDirective/SortIncludeDirectives/@EntryValue" value="true" type="bool" />
     <option name="/Default/CodeStyle/CppIncludeDirective/UseAngleBracketsInsteadOfQuotes/@EntryValue" value="WhenPossible" type="string" />
     <option name="/Default/CodeStyle/CppIncludeDirective/UseRelativePaths/@EntryValue" value="Never" type="string" />
+    <option name="/Default/CodeStyle/Generate/=CppDefinitions/@KeyIndexDefined" value="true" type="bool" />
+    <option name="/Default/CodeStyle/Generate/=CppDefinitions/Options/=GenerateInlineDefinitions/@EntryIndexedValue" value="False" type="string" />
   </component>
 </project>

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.25)
-project(gpu-particles VERSION 0.0.8)
+project(gpu-particles VERSION 0.0.9)
 
 option(ENABLE_ADDRSAN "Enable the address sanitizer" OFF)
 option(ENABLE_UBSAN "Enable the ub sanitizer" OFF)

src/main.cpp

@@ -34,8 +34,35 @@ blt::gfx::first_person_camera camera;
 
 // use types for state that way you are not confused about what is happening?
 
+class unique_vbo_t;
+
+namespace detail
+{
+	class vbo_context_t
+	{
+	public:
+		explicit vbo_context_t(unique_vbo_t& vbo): vbo(vbo)
+		{
+			bind();
+		}
+
+		/**
+		 * By default, the VBO is bound when this class is constructed (this class should only be constructed through the VBO bind() method)
+		 * This function is provided in case you need to rebind the VBO
+		 */
+		vbo_context_t& bind();
+
+		vbo_context_t& unbind();
+
+	private:
+		unique_vbo_t& vbo;
+	};
+}
+
 class unique_vbo_t
 {
+	friend class detail::vbo_context_t;
+
 public:
 	explicit unique_vbo_t(const GLuint type): type(type)
 	{
@@ -47,8 +74,7 @@ public:
 	unique_vbo_t& operator=(const unique_vbo_t&) = delete;
 
 	unique_vbo_t(unique_vbo_t&& other) noexcept: vboID(std::exchange(other.vboID, std::nullopt)), type(other.type)
-	{
+	{}
-	}
 
 	unique_vbo_t& operator=(unique_vbo_t&& other) noexcept
 	{
@@ -57,6 +83,16 @@ public:
 		return *this;
 	}
 
+	GLuint change_type(const GLuint type)
+	{
+		return std::exchange(this->type, type);
+	}
+
+	[[nodiscard]] auto bind()
+	{
+		return detail::vbo_context_t{*this};
+	}
+
 	~unique_vbo_t()
 	{
 		if (vboID)
@@ -68,6 +104,21 @@ private:
 	GLuint type;
 };
 
+namespace detail
+{
+	vbo_context_t& vbo_context_t::bind()
+	{
+		glBindBuffer(vbo.type, *vbo.vboID);
+		return *this;
+	}
+
+	vbo_context_t& vbo_context_t::unbind()
+	{
+		glBindBuffer(vbo.type, 0);
+		return *this;
+	}
+}
+
 class unique_vao_t
 {
 public:
@@ -81,8 +132,7 @@ public:
 	unique_vao_t& operator=(const unique_vao_t&) = delete;
 
 	unique_vao_t(unique_vao_t&& other) noexcept: vaoID(std::exchange(other.vaoID, std::nullopt))
-	{
+	{}
-	}
 
 	unique_vao_t& operator=(unique_vao_t&& other) noexcept
 	{