Updating to 0.4.3 SDK0.4.3-official

1 files changed, 142 insertions, 0 deletions

diff --git a/LibOVR/Src/Displays/OVR_Linux_SDKWindow.h b/LibOVR/Src/Displays/OVR_Linux_SDKWindow.h
new file mode 100644
index 0000000..62222b6
--- /dev/null
+++ b/LibOVR/Src/Displays/OVR_Linux_SDKWindow.h
@@ -0,0 +1,142 @@
+/*******************************************************************************
+
+Filename    :   OVR_Linux_SDKWindow.h
+Content     :   SDK generated Linux window.
+Created     :   October 1, 2014
+Authors     :   James Hughes
+
+Copyright   :   Copyright 2014 Oculus VR, LLC All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License"); 
+you may not use the Oculus VR Rift SDK except in compliance with the License, 
+which is provided at the time of installation or download, or which 
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+http://www.oculusvr.com/licenses/LICENSE-3.2 
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK 
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+*******************************************************************************/
+
+#ifndef OVR_Linux_SDKWindow_h
+#define OVR_Linux_SDKWindow_h
+
+#include "../OVR_CAPI.h"
+#include "../CAPI/GL/CAPI_GL_Util.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <X11/extensions/Xrandr.h>
+#include <X11/Xresource.h>
+#include <GL/glx.h>
+
+namespace OVR {
+
+enum DistortionRotation
+{
+    DistRotateNone,
+    DistRotateCCW90
+};
+
+struct LinuxDeviceScreen
+{
+    LinuxDeviceScreen() :
+        screen(-1),
+        crtcid(0),
+        rotation(DistRotateNone),
+        productCode(-1),
+        width(-1),
+        height(-1),
+        offsetX(-1),
+        offsetY(-1)
+    {}
+
+    void set(int xScreen, XID xid, DistortionRotation rot, int prodCode,
+             int w, int h, int x, int y)
+    {
+        screen      = xScreen;
+        crtcid      = xid;
+        rotation    = rot;
+        productCode = prodCode;
+
+        width       = w;
+        height      = h;
+        offsetX     = x;
+        offsetY     = y;
+    }
+
+    bool isValid()      {return (screen != -1);}
+
+    int                 screen;   ///< X Screen this device occupies.
+    XID                 crtcid;   ///< XID uniquely identifying this device on XDisplay.
+    DistortionRotation  rotation;
+    int                 productCode;
+
+    // Actual width and height of screen.
+    int                 width;
+    int                 height;
+
+    // Offset if using twinview
+    int                 offsetX;
+    int                 offsetY;
+};
+
+class SDKWindow
+{
+public:
+    
+    SDKWindow(const ovrHmd& hmd);
+    ~SDKWindow();
+
+    /// Rotation necessary to correctly orient this SDK window.
+    DistortionRotation GetDistortionRotation() {return mDeviceScreen.rotation;}
+
+    _XDisplay* GetDisplay()         {return mXDisplay;}
+    XVisualInfo* GetVisual()        {return mXVisual;}
+    GLXFBConfig GetFBConfig()       {return mFBConfig;}
+    Window GetDrawable()            {return mXWindow;}
+    bool HasValidWindow()           {return (mXWindow != 0);}
+
+    // If cfg is non-null it is populated with the chosen configuration.
+    static XVisualInfo* chooseVisual(_XDisplay* display, int xscreen,
+                                     GLXFBConfig* cfg = NULL);
+
+    static LinuxDeviceScreen findDevScreenForHMD(const ovrHmd& hmd);
+    static LinuxDeviceScreen findDevScreenForDevID(const char* deviceID);
+
+    static DistortionRotation getRotation(const ovrHmd& hmd);
+
+    // Obtains XVisualInfo for currently bound context. Returns true if a
+    // visual was successfully obtained. False otherwise.
+    static bool getVisualFromDrawable(GLXDrawable drawable, XVisualInfo* vinfoOut);
+
+    // TODO: Function which uses glXGetConfig to generate an FB config from
+    //       a visual. Chooses first FBConfig if multiple matches found.
+    //static GLXFBConfig* getFBConfigFromVisual(XVisualInfo* vis);
+
+private:
+
+    /// Constructs SDK window on the given device screen.
+    void buildVisualAndWindow(const LinuxDeviceScreen& devScreen);
+
+    // Added m in front of variables so as to not conflict with X names.
+    _XDisplay*       mXDisplay;
+    int              mXScreen;
+    XVisualInfo*     mXVisual;
+    XContext         mXUniqueContext;
+    Window           mXWindow;
+    GLXFBConfig      mFBConfig;
+
+    LinuxDeviceScreen mDeviceScreen;
+};
+
+
+} // namespace OVR
+
+#endif // OVR_Linux_SDKWindow_h