From 22201f3b0a1ee957b41a93867b5d6bb46c6851fe Mon Sep 17 00:00:00 2001
From: glevand <geoffrey.levand@mail.ru>
Date: Thu, 29 Nov 2012 20:03:18 +0000
Subject: [PATCH] implement get_tiled_pitch_size

---
 util.c | 25 +++++++++++++++++++++++++
 util.h |  2 ++
 2 files changed, 27 insertions(+)

diff --git a/util.c b/util.c
index 5f06ebd..a3d7e00 100644
--- a/util.c
+++ b/util.c
@@ -145,6 +145,31 @@ flip(int fd, int context_id, int head, unsigned long offset)
 	return (ioctl(fd, PS3GPU_CTL_FLIP, &flip));
 }
 
+uint32_t
+get_tiled_pitch_size(uint32_t pitch)
+{
+	static const uint32_t tile_pitches[] = {
+		0x00000000, 0x00000200, 0x00000300, 0x00000400,
+		0x00000500, 0x00000600, 0x00000700, 0x00000800,
+		0x00000a00, 0x00000c00, 0x00000d00, 0x00000e00,
+		0x00001000, 0x00001400, 0x00001800, 0x00001a00,
+		0x00001c00, 0x00002000, 0x00002800, 0x00003000,
+		0x00003400, 0x00003800, 0x00004000, 0x00005000,
+		0x00006000, 0x00006800, 0x00007000, 0x00008000,
+		0x0000a000, 0x0000c000, 0x0000d000, 0x0000e000,
+		0x00010000,
+
+	};
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(tile_pitches) - 1; i++) {
+		if ((tile_pitches[i] < pitch) && (pitch <= tile_pitches[i + 1]))
+			return (tile_pitches[i + 1]);
+	}
+
+	return (0);
+}
+
 int
 save_image(const char *filename, const char *buf, int len)
 {
diff --git a/util.h b/util.h
index cad1fa3..413ff33 100644
--- a/util.h
+++ b/util.h
@@ -171,6 +171,8 @@ int reset_flip_status(int fd, int context_id, int head);
 
 int flip(int fd, int context_id, int head, unsigned long offset);
 
+uint32_t get_tiled_pitch_size(uint32_t pitch);
+
 /*
  * How to convert image to JPG format:
  *
-- 
2.11.4.GIT