Class: SDL2::GL::Context

Inherits:

Object

• Object
• SDL2::GL::Context

show all

Defined in:

gl.c

Class Method Summary (collapse)

• + (SDL2::GL::Context) create(window)

  Create an OpenGL context for use with an OpenGL window, and make it current.

• + (SDL2::GL::Context^?) current

  Get the current OpenGL context.

Instance Method Summary (collapse)

• - (nil) destroy

  Delete the OpenGL context.

• - (Boolean) destroy?
• - (nil) make_current(window)

  Set the OpenGL context for rendering into an OpenGL window.

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# File 'gl.c', line 40

static VALUE GLContext_s_create(VALUE self, VALUE window)
{
    SDL_GLContext context = SDL_GL_CreateContext(Get_SDL_Window(window));
    if (!context)
        SDL_ERROR();

    return (current_context = GLContext_new(context));
}

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# File 'gl.c', line 87

static VALUE GLContext_s_current(VALUE self)
{
    return current_context;
}

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# File 'gl.c', line 56

static VALUE GLContext_destroy(VALUE self)
{
    GLContext* c = Get_GLContext(self);
    if (c->context)
        SDL_GL_DeleteContext(c->context);
    c->context = NULL;
    return Qnil;
}

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# File 'gl.c', line 72

static VALUE GLContext_make_current(VALUE self, VALUE window)
{
    HANDLE_ERROR(SDL_GL_MakeCurrent(Get_SDL_Window(window), Get_SDL_GLContext(self)));
    current_context = self;
    return Qnil;
}