72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2011-2013 Intel Corporation
|
|
*
|
|
* 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, sublicense,
|
|
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
|
|
*/
|
|
|
|
#ifndef DRM_PLANE_HELPER_H
|
|
#define DRM_PLANE_HELPER_H
|
|
|
|
#include <drm/drm_rect.h>
|
|
|
|
/*
|
|
* Drivers that don't allow primary plane scaling may pass this macro in place
|
|
* of the min/max scale parameters of the update checker function.
|
|
*
|
|
* Due to src being in 16.16 fixed point and dest being in integer pixels,
|
|
* 1<<16 represents no scaling.
|
|
*/
|
|
#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
|
|
|
|
/**
|
|
* DOC: plane helpers
|
|
*
|
|
* Helper functions to assist with creation and handling of CRTC primary
|
|
* planes.
|
|
*/
|
|
|
|
extern int drm_plane_helper_check_update(struct drm_plane *plane,
|
|
struct drm_crtc *crtc,
|
|
struct drm_framebuffer *fb,
|
|
struct drm_rect *src,
|
|
struct drm_rect *dest,
|
|
const struct drm_rect *clip,
|
|
int min_scale,
|
|
int max_scale,
|
|
bool can_position,
|
|
bool can_update_disabled,
|
|
bool *visible);
|
|
extern int drm_primary_helper_update(struct drm_plane *plane,
|
|
struct drm_crtc *crtc,
|
|
struct drm_framebuffer *fb,
|
|
int crtc_x, int crtc_y,
|
|
unsigned int crtc_w, unsigned int crtc_h,
|
|
uint32_t src_x, uint32_t src_y,
|
|
uint32_t src_w, uint32_t src_h);
|
|
extern int drm_primary_helper_disable(struct drm_plane *plane);
|
|
extern void drm_primary_helper_destroy(struct drm_plane *plane);
|
|
extern const struct drm_plane_funcs drm_primary_helper_funcs;
|
|
extern struct drm_plane *drm_primary_helper_create_plane(struct drm_device *dev,
|
|
const uint32_t *formats,
|
|
int num_formats);
|
|
|
|
|
|
#endif
|