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81 lines
3.1 KiB
81 lines
3.1 KiB
/* |
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* Copyright (C) 2011-2013 Intel Corporation |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice (including the next |
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* paragraph) shall be included in all copies or substantial portions of the |
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* Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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#ifndef DRM_PLANE_HELPER_H |
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#define DRM_PLANE_HELPER_H |
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#include <drm/drm_rect.h> |
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#include <drm/drm_crtc.h> |
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#include <drm/drm_modeset_helper_vtables.h> |
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#include <drm/drm_modeset_helper.h> |
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/* |
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* Drivers that don't allow primary plane scaling may pass this macro in place |
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* of the min/max scale parameters of the update checker function. |
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* |
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* Due to src being in 16.16 fixed point and dest being in integer pixels, |
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* 1<<16 represents no scaling. |
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*/ |
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#define DRM_PLANE_HELPER_NO_SCALING (1<<16) |
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int drm_plane_helper_check_state(struct drm_plane_state *state, |
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const struct drm_rect *clip, |
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int min_scale, int max_scale, |
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bool can_position, |
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bool can_update_disabled); |
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int drm_plane_helper_check_update(struct drm_plane *plane, |
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struct drm_crtc *crtc, |
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struct drm_framebuffer *fb, |
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struct drm_rect *src, |
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struct drm_rect *dest, |
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const struct drm_rect *clip, |
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unsigned int rotation, |
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int min_scale, |
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int max_scale, |
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bool can_position, |
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bool can_update_disabled, |
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bool *visible); |
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int drm_primary_helper_update(struct drm_plane *plane, |
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struct drm_crtc *crtc, |
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struct drm_framebuffer *fb, |
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int crtc_x, int crtc_y, |
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unsigned int crtc_w, unsigned int crtc_h, |
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uint32_t src_x, uint32_t src_y, |
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uint32_t src_w, uint32_t src_h); |
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int drm_primary_helper_disable(struct drm_plane *plane); |
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void drm_primary_helper_destroy(struct drm_plane *plane); |
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extern const struct drm_plane_funcs drm_primary_helper_funcs; |
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int drm_plane_helper_update(struct drm_plane *plane, struct drm_crtc *crtc, |
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struct drm_framebuffer *fb, |
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int crtc_x, int crtc_y, |
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unsigned int crtc_w, unsigned int crtc_h, |
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uint32_t src_x, uint32_t src_y, |
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uint32_t src_w, uint32_t src_h); |
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int drm_plane_helper_disable(struct drm_plane *plane); |
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/* For use by drm_crtc_helper.c */ |
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int drm_plane_helper_commit(struct drm_plane *plane, |
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struct drm_plane_state *plane_state, |
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struct drm_framebuffer *old_fb); |
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#endif
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