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usr
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src
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linux-headers-5.4.0-215-generic
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include
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drm
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Filename :
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