/* * 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 #include struct drm_device; struct drm_atomic_state; /* * Rotation property bits. DRM_ROTATE_ 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 e=''/>
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