From 9ae205ac82f0659f85f55931dc09cbe565fb0da8 Mon Sep 17 00:00:00 2001
From: Light3039 <VerodiciaTheNatureGoddess@gmail.com>
Date: Fri, 28 May 2021 05:12:23 +0430
Subject: [PATCH] VertexBuffer

---
 Engine/src/Engine/Graphics/VertexBuffer.cpp   | 19 ++++++++++++
 Engine/src/Engine/Graphics/VertexBuffer.h     | 20 +++++++++++++
 .../GraphicsAPI/OpenGL/glRenderCommand.cpp    |  2 +-
 .../GraphicsAPI/OpenGL/glVertexBuffer.cpp     | 30 +++++++++++++++++++
 .../GraphicsAPI/OpenGL/glVertexBuffer.h       | 20 +++++++++++++
 Sandbox/imgui.ini                             |  5 ++++
 6 files changed, 95 insertions(+), 1 deletion(-)
 create mode 100644 Engine/src/Engine/Graphics/VertexBuffer.cpp
 create mode 100644 Engine/src/Engine/Graphics/VertexBuffer.h
 create mode 100644 Engine/src/Platform/GraphicsAPI/OpenGL/glVertexBuffer.cpp
 create mode 100644 Engine/src/Platform/GraphicsAPI/OpenGL/glVertexBuffer.h

diff --git a/Engine/src/Engine/Graphics/VertexBuffer.cpp b/Engine/src/Engine/Graphics/VertexBuffer.cpp
new file mode 100644
index 0000000..9fd8774
--- /dev/null
+++ b/Engine/src/Engine/Graphics/VertexBuffer.cpp
@@ -0,0 +1,19 @@
+#include "ltpch.h"
+#include "VertexBuffer.h"
+#include "OpenGL/glVertexBuffer.h"
+
+#include "GraphicsContext.h"
+
+namespace Light {
+
+
+	VertexBuffer* VertexBuffer::Create(unsigned int count, float* vertices)
+	{
+		switch (GraphicsContext::GetGraphicsAPI())
+		{
+		case GraphicsAPI::OpenGL:
+			return new glVertexBuffer(count, vertices);
+		}
+	}
+
+}
\ No newline at end of file
diff --git a/Engine/src/Engine/Graphics/VertexBuffer.h b/Engine/src/Engine/Graphics/VertexBuffer.h
new file mode 100644
index 0000000..9dcd904
--- /dev/null
+++ b/Engine/src/Engine/Graphics/VertexBuffer.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#include "Base.h"
+
+namespace Light {
+
+	class VertexBuffer
+	{
+	public:
+		static VertexBuffer* Create(unsigned int count, float* vertices);
+
+
+		virtual void Bind() = 0;
+		virtual void UnBind() = 0;
+
+	protected:
+		VertexBuffer() = default;
+	};
+
+}
\ No newline at end of file
diff --git a/Engine/src/Platform/GraphicsAPI/OpenGL/glRenderCommand.cpp b/Engine/src/Platform/GraphicsAPI/OpenGL/glRenderCommand.cpp
index 286b63f..93f1c3d 100644
--- a/Engine/src/Platform/GraphicsAPI/OpenGL/glRenderCommand.cpp
+++ b/Engine/src/Platform/GraphicsAPI/OpenGL/glRenderCommand.cpp
@@ -19,7 +19,7 @@ namespace Light {
 	void glRenderCommand::ClearBackBuffer()
 	{
 		glClear(GL_COLOR_BUFFER_BIT);
-		glClearColor(0.32f, 0.65f, 0.892f, 1.0f);
+		glClearColor(0.25f, 0.45f, 0.91f, 1.0f);
 	}
 
 	void glRenderCommand::Draw(unsigned int count)
diff --git a/Engine/src/Platform/GraphicsAPI/OpenGL/glVertexBuffer.cpp b/Engine/src/Platform/GraphicsAPI/OpenGL/glVertexBuffer.cpp
new file mode 100644
index 0000000..a0d89cd
--- /dev/null
+++ b/Engine/src/Platform/GraphicsAPI/OpenGL/glVertexBuffer.cpp
@@ -0,0 +1,30 @@
+#include "ltpch.h"
+#include "glVertexBuffer.h"
+
+#include <glad/glad.h>
+
+namespace Light {
+
+	glVertexBuffer::glVertexBuffer(unsigned int count, float* vertices)
+	{
+		glCreateBuffers(1, &m_BufferID);
+		glBindBuffer(GL_ARRAY_BUFFER, m_BufferID);
+		glBufferData(GL_ARRAY_BUFFER, count * sizeof(float), vertices, GL_STATIC_DRAW);
+	}
+
+	glVertexBuffer::~glVertexBuffer()
+	{
+		glDeleteBuffers(1, &m_BufferID);
+	}
+
+	void glVertexBuffer::Bind()
+	{
+		glBindBuffer(GL_ARRAY_BUFFER, m_BufferID);
+	}
+
+	void glVertexBuffer::UnBind()
+	{
+		glBindBuffer(GL_ARRAY_BUFFER, NULL);
+	}
+
+}
\ No newline at end of file
diff --git a/Engine/src/Platform/GraphicsAPI/OpenGL/glVertexBuffer.h b/Engine/src/Platform/GraphicsAPI/OpenGL/glVertexBuffer.h
new file mode 100644
index 0000000..a2f0e8d
--- /dev/null
+++ b/Engine/src/Platform/GraphicsAPI/OpenGL/glVertexBuffer.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#include "Base.h"
+#include "Graphics/VertexBuffer.h"
+
+namespace Light {
+
+	class glVertexBuffer : public VertexBuffer
+	{
+	private:
+		unsigned int m_BufferID;
+	public:
+		glVertexBuffer(unsigned int count, float* vertices);
+		~glVertexBuffer();
+
+		void Bind() override;
+		void UnBind() override;
+	};
+
+}
\ No newline at end of file
diff --git a/Sandbox/imgui.ini b/Sandbox/imgui.ini
index b8157e5..5f92ce0 100644
--- a/Sandbox/imgui.ini
+++ b/Sandbox/imgui.ini
@@ -8,6 +8,11 @@ Pos=276,-1
 Size=521,536
 Collapsed=0
 
+[Window][Dear ImGui Metrics/Debugger]
+Pos=263,318
+Size=346,290
+Collapsed=0
+
 [Table][0xC9935533,3]
 Column 0  Weight=1.0000
 Column 1  Weight=1.0000