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sys/dev/drm/core/include/drm/drm_blend.h
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/* | |||||
* 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> | |||||
#include <drm/drm_mode.h> | |||||
#define DRM_MODE_BLEND_PREMULTI 0 | |||||
#define DRM_MODE_BLEND_COVERAGE 1 | |||||
#define DRM_MODE_BLEND_PIXEL_NONE 2 | |||||
struct drm_device; | |||||
struct drm_atomic_state; | |||||
struct drm_plane; | |||||
static inline bool drm_rotation_90_or_270(unsigned int rotation) | |||||
{ | |||||
return rotation & (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270); | |||||
} | |||||
#define DRM_BLEND_ALPHA_OPAQUE 0xffff | |||||
int drm_plane_create_alpha_property(struct drm_plane *plane); | |||||
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); | |||||
int drm_plane_create_blend_mode_property(struct drm_plane *plane, | |||||
unsigned int supported_modes); | |||||
#endif |