69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 2016 Intel Corporation
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
|
* the above copyright notice appear in all copies and that both that copyright
|
|
* notice and this permission notice appear in supporting documentation, and
|
|
* that the name of the copyright holders not be used in advertising or
|
|
* publicity pertaining to distribution of the software without specific,
|
|
* written prior permission. The copyright holders make no representations
|
|
* about the suitability of this software for any purpose. It is provided "as
|
|
* is" without express or implied warranty.
|
|
*
|
|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
|
* OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef __DRM_BLEND_H__
|
|
#define __DRM_BLEND_H__
|
|
|
|
#include <linux/list.h>
|
|
#include <linux/ctype.h>
|
|
|
|
struct drm_device;
|
|
struct drm_atomic_state;
|
|
|
|
/*
|
|
* Rotation property bits. DRM_ROTATE_<degrees> rotates the image by the
|
|
* specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and
|
|
* DRM_REFLECT_Y reflects the image along the specified axis prior to rotation
|
|
*
|
|
* WARNING: These defines are UABI since they're exposed in the rotation
|
|
* property.
|
|
*/
|
|
#define DRM_ROTATE_0 BIT(0)
|
|
#define DRM_ROTATE_90 BIT(1)
|
|
#define DRM_ROTATE_180 BIT(2)
|
|
#define DRM_ROTATE_270 BIT(3)
|
|
#define DRM_ROTATE_MASK (DRM_ROTATE_0 | DRM_ROTATE_90 | \
|
|
DRM_ROTATE_180 | DRM_ROTATE_270)
|
|
#define DRM_REFLECT_X BIT(4)
|
|
#define DRM_REFLECT_Y BIT(5)
|
|
#define DRM_REFLECT_MASK (DRM_REFLECT_X | DRM_REFLECT_Y)
|
|
|
|
static inline bool drm_rotation_90_or_270(unsigned int rotation)
|
|
{
|
|
return rotation & (DRM_ROTATE_90 | DRM_ROTATE_270);
|
|
}
|
|
|
|
int drm_plane_create_rotation_property(struct drm_plane *plane,
|
|
unsigned int rotation,
|
|
unsigned int supported_rotations);
|
|
unsigned int drm_rotation_simplify(unsigned int rotation,
|
|
unsigned int supported_rotations);
|
|
|
|
int drm_plane_create_zpos_property(struct drm_plane *plane,
|
|
unsigned int zpos,
|
|
unsigned int min, unsigned int max);
|
|
int drm_plane_create_zpos_immutable_property(struct drm_plane *plane,
|
|
unsigned int zpos);
|
|
int drm_atomic_normalize_zpos(struct drm_device *dev,
|
|
struct drm_atomic_state *state);
|
|
#endif
|