These flags can be used by the DRI driver to set additional requirements
such as tiling while creating buffers.
v2: Added a brief comment to explain the rotation orientation.
v3: Corrected a typo in the comment added in v2 and removed an empty
line.
Cc: Michel Danzer <mic...@daenzer.net>
Signed-off-by: Vivek Kasireddy <vivek.kasire...@intel.com>
---
include/GL/internal/dri_interface.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/GL/internal/dri_interface.h
b/include/GL/internal/dri_interface.h
index 6bbd3fa..2fba46f 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -1100,6 +1100,14 @@ struct __DRIdri2ExtensionRec {
#define __DRI_IMAGE_USE_SCANOUT 0x0002
#define __DRI_IMAGE_USE_CURSOR 0x0004 /* Depricated */
#define __DRI_IMAGE_USE_LINEAR 0x0008
+/**
+ * Setting a rotation angle of 90 or 270 would result in the scanout
+ * buffer being rotated in a counter clockwise manner. This is the
+ * expected behavior for ensuring XRandR compliance.
+ */
+#define __DRI_IMAGE_USE_SCANOUT_ROTATION_90 0x0010
+#define __DRI_IMAGE_USE_SCANOUT_ROTATION_180 0x0020
+#define __DRI_IMAGE_USE_SCANOUT_ROTATION_270 0x0040
/**
--
2.4.3
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