Add XCB supportHEADmaster

This adds an XCB backend and hooks it up for cairo (not skia... yet).
This is for doing performance comparisons of the GL backend against
"standard Cairo".

1 files changed, 34 insertions, 0 deletions

diff --git a/src/xcb.h b/src/xcb.h
new file mode 100644
index 0000000..0b807f4
--- /dev/null
+++ b/src/xcb.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2017 © Samsung Research America, Silicon Valley
+ *
+ * Use of this source code is governed by the 3-Clause BSD license
+ * specified in the COPYING file included with this source code.
+ */
+#ifndef XCB_H_    // -*- mode: c++ -*-
+#define XCB_H_
+
+#include <xcb/xcb.h>
+
+typedef struct {
+    int               xcb_screen_number;
+    xcb_screen_t     *xcb_screen;
+    xcb_window_t      xcb_window;
+    xcb_visualtype_t *xcb_visual_type;
+    xcb_connection_t *xcb_connection;
+} xcb_state_t;
+
+bool createXCBContextAndWindow(xcb_state_t *state, int width, int height);
+void destroyXCBContextAndWindow(xcb_state_t *state);
+void cleanup_state_xcb(void *state);
+
+#endif // XCB_H_
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :