Refactor render-test to make cross platform (#1053)

* First pass of render-test refactor.

* Make window construction a function that can choose an implementation.

* Remove OpenGL as currently has windows dependency.

* Disable Vulkan as Renderer impl has dependency on windows.

* Pass Window in as parameter of 'update'.

* Add win-window.cpp as was missing.

* Fix warning on windows about signs during comparison.

1 files changed, 45 insertions, 0 deletions

diff --git a/tools/render-test/window.h b/tools/render-test/window.h
new file mode 100644
index 000000000..e647a602c
--- /dev/null
+++ b/tools/render-test/window.h
@@ -0,0 +1,45 @@
+// window.h
+#pragma once
+
+#include <slang.h>
+#include "../../source/core/slang-smart-pointer.h"
+
+namespace renderer_test {
+
+class Window;
+
+class WindowListener : public Slang::RefObject
+{
+public:
+    virtual SlangResult update(Window* window) = 0;
+};
+
+class Window : public Slang::RefObject
+{
+public:
+    virtual SlangResult initialize(int width, int height) = 0;
+
+    virtual void show() = 0;
+    virtual void* getHandle() const = 0;
+    virtual void postQuit() { m_isQuitting = true; }
+        
+    /// Run the event loop. Events will be sent to the WindowListener
+    virtual SlangResult runLoop(WindowListener* listener) = 0;
+
+    bool isQuitting() const { return m_isQuitting; }
+    int getQuitValue() const { return m_quitValue; }
+
+    static Window* create();
+
+    virtual ~Window() {}
+
+protected:
+    Window() {}
+
+    bool m_isQuitting = false;
+    int m_quitValue = 0;
+};
+
+Window* createWindow();
+
+} // renderer_test