Basic Renderer

Window_practice/Debug/Window_practice.log

@@ -1,3 +1,10 @@
-  Main.cpp
+  IndexBuffer.cpp
+  Main.cpp
 C:\dev\Glfw_Practice\c++\Window_practice\Window_practice\src\VertexBufferLayout.h(5,10): warning C4067: unexpected tokens following preprocessor directive - expected a newline
+  Renderer.cpp
+  Shader.cpp
+  VertexArray.cpp
+C:\dev\Glfw_Practice\c++\Window_practice\Window_practice\src\VertexBufferLayout.h(5,10): warning C4067: unexpected tokens following preprocessor directive - expected a newline
+  VertexBuffer.cpp
+  Generating Code...
   Window_practice.vcxproj -> C:\dev\Glfw_Practice\c++\Window_practice\Debug\Window_practice.exe

Window_practice/src/Main.cpp

@@ -5,6 +5,7 @@
 
 #include "Renderer.h"
 #include "VertexBuffer.h"
+#include "VertexBufferLayout.h"
 #include "IndexBuffer.h"
 #include "VertexArray.h"
 #include "Shader.h"
@@ -70,6 +71,8 @@ int main(void){
         shader.Bind();
         shader.SetUniform4f("u_Color", 0.8f, 0.3f, 0.8f, 1.0f);
 
+        Renderer renderer;
+
         //unbinding the buffers
         va.Unbind();
         vb.Unbind();
@@ -83,15 +86,12 @@ int main(void){
         //Main loop
         while (!glfwWindowShouldClose(window)) {
             /* Render here */
-            GLCall(glClear(GL_COLOR_BUFFER_BIT));
+            renderer.Clear();
 
             shader.Bind();
             shader.SetUniform4f("u_Color", r, 0.3f, 0.8f, 1.0f);
 
-            va.Bind();
+            renderer.Draw(va, ib, shader);          
-            ib.Bind();
-
-            GLCall(glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, nullptr));
 
             if (r > 1.0f)
                 increment = -0.05f;

Window_practice/src/Renderer.cpp

@@ -14,4 +14,16 @@ bool GLLogCall(const char* function, const char* file, int line) {
         return false;
     }
     return true;
+}
+
+void Renderer::Draw(const VertexArray& va, const IndexBuffer& ib, const Shader& shader) const {
+    shader.Bind();
+    va.Bind();
+    ib.Bind();
+
+    GLCall(glDrawElements(GL_TRIANGLES, ib.GetCount(), GL_UNSIGNED_INT, nullptr));
+}
+
+void Renderer::Clear() const{
+    GLCall(glClear(GL_COLOR_BUFFER_BIT));
 }

Window_practice/src/Renderer.h

@@ -2,6 +2,10 @@
 
 #include <GL\glew.h>
 
+#include "VertexArray.h"
+#include "IndexBuffer.h"
+#include "Shader.h"
+
 //Macros
 #define ASSERT(x) if(!(x)) __debugbreak();
 #define GLCall(x) GLClearError();\
@@ -11,4 +15,10 @@
 //Clearing OpenGl error list
 void GLClearError();
 //OpenGl logging
-bool GLLogCall(const char* function, const char* file, int line); 
+bool GLLogCall(const char* function, const char* file, int line); 
+
+class Renderer {
+public:
+    void Clear() const;
+    void Draw(const VertexArray& va, const IndexBuffer& ib, const Shader& shader) const;
+};

Window_practice/src/VertexArray.cpp

@@ -1,4 +1,5 @@
 #include "VertexArray.h"
+#include "VertexBufferLayout.h"
 #include "Renderer.h"
 
 VertexArray::VertexArray()

Window_practice/src/VertexArray.h

@@ -1,7 +1,8 @@
 #pragma once
 
 #include "VertexBuffer.h"
-#include "VertexBufferLayout.h"
+
+class VertexBufferLayout;
 
 class VertexArray {
 private: