Hi,
I tried to compile my first application (red book,chapter1) but there are too much error.
This is my github: GitHub - DavideZanin/OpenGL_001_triangolo
This is the structure:https://dl.dropboxusercontent.com/u/57344164/Schermata%202014-04-01%20alle%2000.39.24.png
This is the code:
#ifdef WIN32
#include <windows.h>
#endif
#include <iostream>
using namespace std;
#include <fstream>
#include <GLUT/glut.h>
#include <OpenGL/glu.h>
#include <OpenGL/gl.h>
enum VAO_IDs { Triangles, NumVAOs };
enum Buffer_IDs { ArrayBuffer, NumBuffers };
enum Attrib_IDs { vPosition = 0 };
GLuint VAOs[NumVAOs];
GLuint Buffers[NumBuffers];
const GLuint NumVertices = 6;
void init(void)
{
glGenVertexArrays(NumVAOs, VAOs);
glBindVertexArray(VAOs[Triangles]);
GLfloat vertices[NumVertices][2] = {
{ -0.90, -0.90 }, // Triangle 1
{ 0.85, -0.90 },
{ -0.90, 0.85 },
{ 0.90, -0.85 }, // Triangle 2
{ 0.90, 0.90 },
{ -0.85, 0.90 }
};
glGenBuffers(NumBuffers, Buffers); glBindBuffer(GL_ARRAY_BUFFER, Buffers[ArrayBuffer]); glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW); ShaderInfo shaders[] = { { GL_VERTEX_SHADER, "triangles.vert" }, { GL_FRAGMENT_SHADER, "triangles.frag" }, { GL_NONE, NULL } }; GLuint program = LoadShaders(shaders); glUseProgram(program); glVertexAttribPointer(vPosition, 2, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0)); glEnableVertexAttribArray(vPosition); }
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glBindVertexArray(VAOs[Triangles]);
glDrawArrays(GL_TRIANGLES, 0, NumVertices);
glFlush();
}
int
main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGBA);
glutInitWindowSize(512, 512);
glutInitContextVersion(4, 3);
glutInitContextProfile(GLUT_CORE_PROFILE);
glutCreateWindow(argv[0]);if (glewInit()) { cerr << "Unable to initialize GLEW ... exiting" << endl; exit(EXIT_FAILURE); } init(); glutDisplayFunc(display); glutMainLoop();
}
Errors:https://dl.dropboxusercontent.com/u/57344164/Schermata%202014-04-01%20alle%2001.43.11.png
What is the problem?