More stuff

src/opengl/CMakeLists.txt

@@ -1,7 +1,7 @@
 # Search for glfw
 find_package(glfw3 3.3 REQUIRED)
 # Search for glew
-#find_package(GLEW REQUIRED)
+find_package(GLEW REQUIRED)
 # Search for OpenGL
 find_package(OpenGL REQUIRED)
 add_compile_definitions(IS_DEBUG=1)
@@ -11,13 +11,13 @@ add_compile_definitions(IS_DEBUG=1)
 # Add gl1 executable build from gl1.cpp, glew.c and Renderer.cpp
 add_executable(
   gl1
+  glew.c
   gl1.cpp
   Shader.cpp
   Renderer.cpp
   VertexBuffer.cpp
   IndexBuffer.cpp
   VertexArray.cpp
-  glew.c
   utils.cpp
 )
 

src/opengl/Renderer.h

@@ -3,7 +3,7 @@
 //Force the compilation process to statically link glew
 #define GLEW_STATIC
 
-#include "glew.h"
+#include <GL/glew.h> 
 #include <GLFW/glfw3.h>
 #include <csignal>
 

src/opengl/VertexArray.cpp

@@ -3,7 +3,10 @@
 
 VertexArray::VertexArray()
 {
+  LOG("VERTEX_ARRAY_START");
+  LOG(glGenVertexArrays);
   GLCall(glGenVertexArrays(1,&m_RendererID));
+  LOG("VERTEX_ARRAY_END");
 }
 
 VertexArray::~VertexArray()

src/opengl/VertexBufferLayout.h

@@ -1,7 +1,7 @@
 #pragma once
 
 #include <vector>
-#include "glew.h"
+#include <GL/glew.h> 
 #include "utils.h"
 
 struct VertexBufferElement

src/opengl/gl1.cpp

@@ -4,6 +4,7 @@
 #include <string>
 #include <sstream>
 #include <signal.h>
+#include <stdlib.h>
 
 #include "Shader.h"
 #include "Renderer.h"
@@ -25,9 +26,19 @@ int main(void)
     if (!glfwInit())
         return -1;
 
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2); 
+    glfwWindowHint(GLFW_OPENGL_PROFILE,GLFW_OPENGL_CORE_PROFILE);
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); 
+    glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
+
     /* Create a windowed mode window and its OpenGL context */
     LOG("Create Window");
+    //glfwCreateWindow(640, 480, "OpenGL Window", NULL, NULL);
+    //GLCall(window = glfwCreateWindow(640, 480, "OpenGL Window", NULL, NULL));
+    
     window = glfwCreateWindow(640, 480, "OpenGL Window", NULL, NULL);
+    
     if (!window)
     {
         LOG("Terminate because not window");
@@ -40,8 +51,7 @@ int main(void)
     glfwMakeContextCurrent(window);
     glfwSwapInterval(1);
 
-    //Print opengl version
-    LOG("GL_VERSION: " << glGetString(GL_VERSION));
+    GLPrintVersion();
 
     float positions[] =
         {
@@ -55,10 +65,7 @@ int main(void)
 
     //Create buffer
     //Buffer id
-
-    LOG("VertexArray defining");
     VertexArray va;
-    LOG("VertexArray defined");
 
     LOG("VertexBuffer to be created");
     VertexBuffer vb(positions, 4 * 2 * sizeof(float));

src/opengl/utils.cpp

@@ -18,6 +18,14 @@ bool GLLogCall(const char *function, const char *file, int line)
   return false;
 }
 
+void GLPrintVersion()
+{
+  LOG("Vendor: " << glGetString(GL_VENDOR));
+  LOG("Renderer: " << glGetString(GL_RENDERER));
+  LOG("Version: " << glGetString(GL_VERSION));
+  LOG("Shading Version: " << glGetString(GL_SHADING_LANGUAGE_VERSION));
+}
+
 void ErrorGLCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam)
 {
   std::cout << "Source: " << source << "Type: " << type << "Id: " << id << "Severity: " << severity << "Length: " << length << message << std::endl;

src/opengl/utils.h

@@ -1,6 +1,6 @@
 #pragma once
 #include <iostream>
-#include "glew.h"
+#include <GL/glew.h> 
 #include <csignal>
 
 #if IS_DEBUG==1
@@ -21,6 +21,7 @@
 
   //Discard error flags from openGL state machine
 void GLClearError();
+void GLPrintVersion();
 bool GLLogCall(const char *function, const char *file, int line);
 //This is just for OpenGL4.3 onwards
 void ErrorGLCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam);