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.
Cc: Michel Danzer <mic...@daenzer.net>
Signed-off-by: Vivek Kasireddy <vivek.kasire...@intel.com>
---
include/GL/internal/dri_interface.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/GL/internal/dri_interface.h
b/include/GL/internal/dri_interface.h
index 6bbd3fa..c72c365 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -1101,6 +1101,15 @@ struct __DRIdri2ExtensionRec {
#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 clounter 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
+
/**
* Four CC formats that matches with WL_DRM_FORMAT_* from wayland_drm.h,
--
2.4.3
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