#include <Spectre/Window/GLContext.h>
#include <Spectre/Window/GLWindow.h>
#include <Graphics/GL/gl.h>

namespace sp {

GLWindow::GLWindow()
{
	m_context = GLContext::create();
}

GLWindow::~GLWindow()
{
	delete m_context;
}

bool GLWindow::create(WindowDescription description)
{
	if (!Window::create(description)) {
		return false;
	}

	if (!m_context->create(m_impl)) {
		return false;
	}

	enableVSync(false);

	return activate(true);
}

void GLWindow::destroy()
{
	m_context->destroy();

	Window::destroy();
}

bool GLWindow::activate(bool value)
{
	if (value) {
		return m_context->activate();
	}
	return m_context->deactivate();
}

bool GLWindow::enableVSync(bool value)
{
	return m_context->setSwapInterval(value ? 1 : 0);
}

void GLWindow::swapBuffers()
{
	if (activate(true)) {
		m_context->swapBuffers();
	}
}

void GLWindow::onReshape(int width, int height)
{
	// TODO: This should even not be here.
	// Generic Display should not have any GL calls.
	// But it's better to have it here then in the platform specific GLContext
	if (activate(true)) {
		glViewport(0, 0, width, height);
	}
}

} // namespace