mutter/cogl/cogl-kms-display.h

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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2012 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION)
#error "Only <cogl/cogl.h> can be included directly."
#endif
#ifndef __COGL_KMS_DISPLAY_H__
#define __COGL_KMS_DISPLAY_H__
#include <cogl/cogl-types.h>
#include <cogl/cogl-display.h>
#include <xf86drmMode.h>
COGL_BEGIN_DECLS
/**
* cogl_kms_display_queue_modes_reset:
* @display: A #CoglDisplay
*
* Asks Cogl to explicitly reset the crtc output modes at the next
* #CoglOnscreen swap_buffers request. For applications that support
* VT switching they may want to re-assert the output modes when
* switching back to the applications VT since the modes are often not
* correctly restored automatically.
*
* <note>The @display must have been either explicitly setup via
* cogl_display_setup() or implicitily setup by having created a
* context using the @display</note>
*
* Since: 2.0
* Stability: unstable
*/
void
cogl_kms_display_queue_modes_reset (CoglDisplay *display);
typedef struct {
uint32_t id;
uint32_t x, y;
drmModeModeInfo mode;
uint32_t *connectors;
uint32_t count;
} CoglKmsCrtc;
/**
* cogl_kms_display_set_layout:
* @onscreen: a #CoglDisplay
* @width: the framebuffer width
* @height: the framebuffer height
* @crtcs: the array of #CoglKmsCrtc structure with the desired CRTC layout
*
* Configures @display to use a framebuffer sized @width x @height, covering
* the CRTCS in @crtcs.
* @width and @height must be within the driver framebuffer limits, and @crtcs
* must be valid KMS API IDs.
*
* Calling this function overrides the automatic mode setting done by Cogl,
* and for this reason must be called before the first call to cogl_onscreen_swap_buffers().
*
* If you want to restore the default behaviour, you can call this function
* with @width and @height set to -1.
*
* Stability: unstable
*/
CoglBool
cogl_kms_display_set_layout (CoglDisplay *display,
int width,
int height,
CoglKmsCrtc **crtcs,
int n_crtcs,
CoglError **error);
COGL_END_DECLS
#endif /* __COGL_KMS_DISPLAY_H__ */