* Added helper functions for the "propose mode" accelerant hook.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42741 a95241bf-73f2-0310-859d-f6bbb57e9c96
2011-09-11 18:29:50 +00:00
parent b053beab99
commit 83187b29d3
3 changed files with 184 additions and 1 deletions
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2011, Axel Dörfler, [email protected].
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _VALIDATE_DISPLAY_MODE_H
+#define _VALIDATE_DISPLAY_MODE_H
+
+
+#include <Accelerant.h>
+
+#include "edid.h"
+
+struct timing_constraints {
+	uint16	resolution;
+
+	uint16	min_before_sync;
+	uint16	max_sync_start;
+	uint16	min_sync_length;
+	uint16	max_sync_length;
+	uint16	min_after_sync;
+	uint16	max_total;
+};
+
+struct display_constraints {
+	uint16	min_h_display;
+	uint16	max_h_display;
+	uint16	min_v_display;
+	uint16	max_v_display;
+
+	uint32	min_pixel_clock;
+	uint32	max_pixel_clock;
+
+	timing_constraints	horizontal_timing;
+	timing_constraints	vertical_timing;
+};
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+bool sanitize_display_mode(display_mode& mode,
+	const display_constraints& constraints, const edid1_info* edidInfo);
+bool is_display_mode_within_bounds(display_mode& mode, const display_mode& low,
+	const display_mode& high);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif	/* _VALIDATE_DISPLAY_MODE_H */