Hi there!
This is a question that probably has a really simple answer, as to what I've been reading it has to do with SFML having it's own VBO, VAO, or whatever it is, and I need to use the corresponding glDelete function with it, but I've tried a few different ways with no success.
The way my code is now, the text renders for a second and then goes blank the second that glBindVertexArray(VertexArrayID); is called.
Here is the relevant code:
void AMEngine::Render()
{
MainWindow->pushGLStates();
MainWindow->draw(sText);
MainWindow->popGLStates();
Shader::setShader(&shader, &transform);
GLuint VertexArrayID;
glGenVertexArrays(1, &VertexArrayID);
glBindVertexArray(VertexArrayID);
static const GLfloat g_vertex_buffer_data[] = {
- 1.0f, -1.0f, 0.0f,
1.0f, -1.0f, 0.0f,
0.0f, 1.0f, 0.0f,
};
// This will identify our vertex buffer
GLuint vertexbuffer;
// Generate 1 buffer, put the resulting identifier in vertexbuffer
glGenBuffers(1, &vertexbuffer);
// The following commands will talk about our 'vertexbuffer' buffer
glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
// Give our vertices to OpenGL.
glBufferData(GL_ARRAY_BUFFER, sizeof(g_vertex_buffer_data), g_vertex_buffer_data, GL_STATIC_DRAW);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
glVertexAttribPointer(
0,
3,
GL_FLOAT,
GL_FALSE,
0,
(void*)0
);
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(0);
glDeleteVertexArrays(1, &VertexArrayID);
}
Again I'm probably missing something simple as understanding what's going on is very difficult for me, so I apologize if it's simple.
