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/*
* Copyright © 2008-2011 Kristian Høgsberg
* Copyright © 2011 Intel Corporation
* Copyright © 2015 Giulio Camuffo
*
* 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 WESTON_COMPOSITOR_DRM_H
#define WESTON_COMPOSITOR_DRM_H
#include "compositor.h"
#ifdef __cplusplus
extern "C" {
#endif
#define WESTON_DRM_BACKEND_CONFIG_VERSION 1
enum weston_drm_backend_output_mode {
/** The output is disabled */
WESTON_DRM_BACKEND_OUTPUT_OFF,
/** The output will use the current active mode */
WESTON_DRM_BACKEND_OUTPUT_CURRENT,
/** The output will use the preferred mode. A modeline can be provided
* by setting weston_backend_output_config::modeline in the form of
* "WIDTHxHEIGHT" or in the form of an explicit modeline calculated
* using e.g. the cvt tool. If a valid modeline is supplied it will be
* used, if invalid or NULL the preferred available mode will be used. */
WESTON_DRM_BACKEND_OUTPUT_PREFERRED,
};
struct weston_drm_backend_output_config {
struct weston_backend_output_config base;
/** The pixel format to be used by the output. Valid values are:
* - NULL - The format set at backend creation time will be used;
* - "xrgb8888";
* - "rgb565"
* - "xrgb2101010"
*/
char *gbm_format;
/** The seat to be used by the output. Set to NULL to use the
* default seat. */
char *seat;
/** The modeline to be used by the output. Refer to the documentation
* of WESTON_DRM_BACKEND_OUTPUT_PREFERRED for details. */
char *modeline;
};
/** The backend configuration struct.
*
* weston_drm_backend_config contains the configuration used by a DRM
* backend.
*/
struct weston_drm_backend_config {
struct weston_backend_config base;
/** The connector id of the output to be initialized.
*
* A value of 0 will enable all available outputs.
*/
int connector;
/** The tty to be used. Set to 0 to use the current tty. */
int tty;
/** Whether to use the pixman renderer instead of the OpenGL ES renderer. */
bool use_pixman;
/** The seat to be used for input and output.
*
* If NULL the default "seat0" will be used. The backend will
* take ownership of the seat_id pointer and will free it on
* backend destruction.
*/
char *seat_id;
/** The pixel format of the framebuffer to be used.
*
* Valid values are:
* - NULL - The default format ("xrgb8888") will be used;
* - "xrgb8888";
* - "rgb565"
* - "xrgb2101010"
* The backend will take ownership of the format pointer and will free
* it on backend destruction.
*/
char *gbm_format;
/** Callback used to configure the outputs.
*
* This function will be called by the backend when a new DRM
* output needs to be configured.
*/
enum weston_drm_backend_output_mode
(*configure_output)(struct weston_compositor *compositor,
bool use_current_mode,
const char *name,
struct weston_drm_backend_output_config *output_config);
bool use_current_mode;
};
#ifdef __cplusplus
}
#endif
#endif /* WESTON_COMPOSITOR_DRM_H */
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