From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- include/drm/drm_damage_helper.h | 84 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 include/drm/drm_damage_helper.h (limited to 'include/drm/drm_damage_helper.h') diff --git a/include/drm/drm_damage_helper.h b/include/drm/drm_damage_helper.h new file mode 100644 index 000000000..effda42cc --- /dev/null +++ b/include/drm/drm_damage_helper.h @@ -0,0 +1,84 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/************************************************************************** + * + * Copyright (c) 2018 VMware, Inc., Palo Alto, CA., USA + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Deepak Rawat + * + **************************************************************************/ + +#ifndef DRM_DAMAGE_HELPER_H_ +#define DRM_DAMAGE_HELPER_H_ + +#include + +/** + * drm_atomic_for_each_plane_damage - Iterator macro for plane damage. + * @iter: The iterator to advance. + * @rect: Return a rectangle in fb coordinate clipped to plane src. + * + * Note that if the first call to iterator macro return false then no need to do + * plane update. Iterator will return full plane src when damage is not passed + * by user-space. + */ +#define drm_atomic_for_each_plane_damage(iter, rect) \ + while (drm_atomic_helper_damage_iter_next(iter, rect)) + +/** + * struct drm_atomic_helper_damage_iter - Closure structure for damage iterator. + * + * This structure tracks state needed to walk the list of plane damage clips. + */ +struct drm_atomic_helper_damage_iter { + /* private: Plane src in whole number. */ + struct drm_rect plane_src; + /* private: Rectangles in plane damage blob. */ + const struct drm_rect *clips; + /* private: Number of rectangles in plane damage blob. */ + uint32_t num_clips; + /* private: Current clip iterator is advancing on. */ + uint32_t curr_clip; + /* private: Whether need full plane update. */ + bool full_update; +}; + +void drm_atomic_helper_check_plane_damage(struct drm_atomic_state *state, + struct drm_plane_state *plane_state); +int drm_atomic_helper_dirtyfb(struct drm_framebuffer *fb, + struct drm_file *file_priv, unsigned int flags, + unsigned int color, struct drm_clip_rect *clips, + unsigned int num_clips); +void +drm_atomic_helper_damage_iter_init(struct drm_atomic_helper_damage_iter *iter, + const struct drm_plane_state *old_state, + const struct drm_plane_state *new_state); +bool +drm_atomic_helper_damage_iter_next(struct drm_atomic_helper_damage_iter *iter, + struct drm_rect *rect); +bool drm_atomic_helper_damage_merged(const struct drm_plane_state *old_state, + struct drm_plane_state *state, + struct drm_rect *rect); + +#endif -- cgit v1.2.3