tests: fold xglimage.{cpp,h} into xglrenderframework.{cpp,h}

XglImage is a part of the render framework.
diff --git a/tests/xglrenderframework.h b/tests/xglrenderframework.h
index a89a033..f43d34b 100644
--- a/tests/xglrenderframework.h
+++ b/tests/xglrenderframework.h
@@ -29,6 +29,7 @@
 #define XGLRENDERFRAMEWORK_H
 
 #include "xgltestframework.h"
+#include "xgldevice.h"
 
 class XglRenderFramework : public XglTestFramework
 {
@@ -161,6 +162,70 @@
     XGL_INDEX_TYPE  m_indexType;
 };
 
+class XglImage : public xgl_testing::Image
+{
+public:
+    XglImage(XglDevice *dev);
+
+    // Image usage flags
+    //    typedef enum _XGL_IMAGE_USAGE_FLAGS
+    //    {
+    //        XGL_IMAGE_USAGE_SHADER_ACCESS_READ_BIT                  = 0x00000001,
+    //        XGL_IMAGE_USAGE_SHADER_ACCESS_WRITE_BIT                 = 0x00000002,
+    //        XGL_IMAGE_USAGE_COLOR_ATTACHMENT_BIT                    = 0x00000004,
+    //        XGL_IMAGE_USAGE_DEPTH_STENCIL_BIT                       = 0x00000008,
+    //    } XGL_IMAGE_USAGE_FLAGS;
+public:
+    void init( XGL_UINT32 w, XGL_UINT32 h,
+                     XGL_FORMAT fmt, XGL_FLAGS usage,
+                     XGL_IMAGE_TILING tiling=XGL_LINEAR_TILING);
+
+    //    void clear( CommandBuffer*, XGL_UINT[4] );
+    //    void prepare( CommandBuffer*, XGL_IMAGE_STATE );
+
+    void state( XGL_IMAGE_STATE state )
+    {
+        m_imageInfo.state = state;
+    }
+    XGL_GPU_MEMORY memory() const
+    {
+        const std::vector<XGL_GPU_MEMORY> mems = memories();
+        return mems.empty() ? XGL_NULL_HANDLE : mems[0];
+    }
+
+
+    XGL_IMAGE image() const
+    {
+        return obj();
+    }
+    XGL_COLOR_ATTACHMENT_VIEW targetView()const
+    {
+        return m_targetView.obj();
+    }
+
+    XGL_IMAGE_STATE state() const
+    {
+        return ( XGL_IMAGE_STATE )m_imageInfo.state;
+    }
+    XGL_UINT32 width() const
+    {
+        return extent().width;
+    }
+    XGL_UINT32 height() const
+    {
+        return extent().height;
+    }
+
+    XGL_RESULT MapMemory(XGL_VOID** ptr);
+    XGL_RESULT UnmapMemory();
+
+protected:
+    XglDevice *m_device;
+
+    xgl_testing::ColorAttachmentView m_targetView;
+    XGL_IMAGE_VIEW_ATTACH_INFO   m_imageInfo;
+};
+
 class XglTextureObj : public xgl_testing::Image
 {
 public: