Spectre/Window/Window: refactor out GLContext specific code to its own class (GLWindow)

source/Window/GLWindow.cpp

@@ -0,0 +1,70 @@
+
+#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