direct-to-native-GL for GLX clients on Cygwin ("Windows-DRI")

[mesa.git] / src / glx / windows / windowsgl_internal.h

diff --git a/src/glx/windows/windowsgl_internal.h b/src/glx/windows/windowsgl_internal.h
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+/*
+ * Copyright © 2014 Jon Turney
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef windowsgl_internal_h
+#define windowsgl_internal_h
+
+#include "windowsgl.h"
+
+#include <X11/Xmd.h> // for BOOL
+#include <X11/Xwindows.h> // as this doesn't provide one
+#include <GL/gl.h>
+#include <GL/wglext.h>
+
+struct _windowsContext
+{
+   struct glx_config *config;
+   windowsContext *shareContext;
+   HGLRC ctx;
+   int pxfi;
+};
+
+struct windowsdrawable_callbacks
+{
+   int type; // WINDOW, PIXMAP, PBUFFER
+   HDC (*getdc) (windowsDrawable *d);
+   void (*releasedc) (windowsDrawable *d, HDC dc);
+};
+
+struct _windowsDrawable
+{
+   int pxfi; // 0 if not yet set
+   struct windowsdrawable_callbacks *callbacks;
+
+   // for type WINDOW
+   HWND hWnd;
+
+   // for type PIXMAP
+   HANDLE hSection;
+   HDC dibDC;
+   HBITMAP hDIB;
+   HBITMAP hOldDIB;
+
+   // for type PBUFFER
+   HPBUFFERARB hPbuffer;
+};
+
+#endif /* windowsgl_internal_h */